text: /* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
  /* If you are missing that file, acquire a complete release at teeworlds.com.                */
  
  #include <base/system.h>
  
  #include <engine/shared/datafile.h>
  #include <engine/shared/config.h>
  #include <engine/client.h>
  #include <engine/console.h>
  #include <engine/graphics.h>
  #include <engine/textrender.h>
  #include <engine/input.h>
  #include <engine/keys.h>
  #include <engine/storage.h>
  
  #include <game/client/ui.h>
  #include <game/gamecore.h>
  #include <game/client/render.h>
  #include <game/generated/client_data.h>
  
  #include "ed_editor.h"
  #include <game/client/lineinput.h>
  
  #include <game/localization.h>
  
  int CEditor::ms_CheckerTexture;
  int CEditor::ms_BackgroundTexture;
  int CEditor::ms_CursorTexture;
  int CEditor::ms_EntitiesTexture;
  const void* CEditor::ms_pUiGotContext;
  
  enum
  {
  	BUTTON_CONTEXT=1,
  };
  
  CEditorImage::~CEditorImage()
  {
  	m_pEditor->Graphics()->UnloadTexture(m_TexID);
  }
  
  CLayerGroup::CLayerGroup()
  {
  	m_pName = "";
  	m_Visible = true;
  	m_SaveToMap = true;
  	m_GameGroup = false;
  	m_OffsetX = 0;
  	m_OffsetY = 0;
  	m_ParallaxX = 100;
  	m_ParallaxY = 100;
  
  	m_UseClipping = 0;
  	m_ClipX = 0;
  	m_ClipY = 0;
  	m_ClipW = 0;
  	m_ClipH = 0;
  }
  
  CLayerGroup::~CLayerGroup()
  {
  	Clear();
  }
  
  void CLayerGroup::Convert(CUIRect *pRect)
  {
  	pRect->x += m_OffsetX;
  	pRect->y += m_OffsetY;
  }
  
  void CLayerGroup::Mapping(float *pPoints)
  {
  	m_pMap->m_pEditor->RenderTools()->MapscreenToWorld(
  		m_pMap->m_pEditor->m_WorldOffsetX, m_pMap->m_pEditor->m_WorldOffsetY,
  		m_ParallaxX/100.0f, m_ParallaxY/100.0f,
  		m_OffsetX, m_OffsetY,
  		m_pMap->m_pEditor->Graphics()->ScreenAspect(), m_pMap->m_pEditor->m_WorldZoom, pPoints);
  
  	pPoints[0] += m_pMap->m_pEditor->m_EditorOffsetX;
  	pPoints[1] += m_pMap->m_pEditor->m_EditorOffsetY;
  	pPoints[2] += m_pMap->m_pEditor->m_EditorOffsetX;
  	pPoints[3] += m_pMap->m_pEditor->m_EditorOffsetY;
  }
  
  void CLayerGroup::MapScreen()
  {
  	float aPoints[4];
  	Mapping(aPoints);
  	m_pMap->m_pEditor->Graphics()->MapScreen(aPoints[0], aPoints[1], aPoints[2], aPoints[3]);
  }
  
  void CLayerGroup::Render()
  {
  	MapScreen();
  	IGraphics *pGraphics = m_pMap->m_pEditor->Graphics();
  
  	if(m_UseClipping)
  	{
  		float aPoints[4];
  		m_pMap->m_pGameGroup->Mapping(aPoints);
  		float x0 = (m_ClipX - aPoints[0]) / (aPoints[2]-aPoints[0]);
  		float y0 = (m_ClipY - aPoints[1]) / (aPoints[3]-aPoints[1]);
  		float x1 = ((m_ClipX+m_ClipW) - aPoints[0]) / (aPoints[2]-aPoints[0]);
  		float y1 = ((m_ClipY+m_ClipH) - aPoints[1]) / (aPoints[3]-aPoints[1]);
  
  		pGraphics->ClipEnable((int)(x0*pGraphics->ScreenWidth()), (int)(y0*pGraphics->ScreenHeight()),
  			(int)((x1-x0)*pGraphics->ScreenWidth()), (int)((y1-y0)*pGraphics->ScreenHeight()));
  	}
  
  	for(int i = 0; i < m_lLayers.size(); i++)
  	{
  		if(m_lLayers[i]->m_Visible && m_lLayers[i] != m_pMap->m_pGameLayer)
  		{
  			if(m_pMap->m_pEditor->m_ShowDetail || !(m_lLayers[i]->m_Flags&LAYERFLAG_DETAIL))
  				m_lLayers[i]->Render();
  		}
  	}
  
  	pGraphics->ClipDisable();
  }
  
  void CLayerGroup::AddLayer(CLayer *l)
  {
  	m_pMap->m_Modified = true;
  	m_lLayers.add(l);
  }
  
  void CLayerGroup::DeleteLayer(int Index)
  {
  	if(Index < 0 || Index >= m_lLayers.size()) return;
  	delete m_lLayers[Index];
  	m_lLayers.remove_index(Index);
  	m_pMap->m_Modified = true;
  }
  
  void CLayerGroup::GetSize(float *w, float *h)
  {
  	*w = 0; *h = 0;
  	for(int i = 0; i < m_lLayers.size(); i++)
  	{
  		float lw, lh;
  		m_lLayers[i]->GetSize(&lw, &lh);
  		*w = max(*w, lw);
  		*h = max(*h, lh);
  	}
  }
  
  
  int CLayerGroup::SwapLayers(int Index0, int Index1)
  {
  	if(Index0 < 0 || Index0 >= m_lLayers.size()) return Index0;
  	if(Index1 < 0 || Index1 >= m_lLayers.size()) return Index0;
  	if(Index0 == Index1) return Index0;
  	m_pMap->m_Modified = true;
  	swap(m_lLayers[Index0], m_lLayers[Index1]);
  	return Index1;
  }
  
  void CEditorImage::AnalyseTileFlags()
  {
  	mem_zero(m_aTileFlags, sizeof(m_aTileFlags));
  
  	int tw = m_Width/16; // tilesizes
  	int th = m_Height/16;
  	if ( tw == th )
      {
  		unsigned char *pPixelData = (unsigned char *)m_pData;
  
  		int TileID = 0;
  		for(int ty = 0; ty < 16; ty++)
  			for(int tx = 0; tx < 16; tx++, TileID++)
  			{
  				bool Opaque = true;
  				for(int x = 0; x < tw; x++)
  					for(int y = 0; y < th; y++)
  					{
  						int p = (ty*tw+y)*m_Width + tx*tw+x;
  						if(pPixelData[p*4+3] < 250)
  						{
  							Opaque = false;
  							break;
  						}
  					}
  
  				if(Opaque)
  					m_aTileFlags[TileID] |= TILEFLAG_OPAQUE;
  			}
  	}
  
  }
  
  /********************************************************
   OTHER
  *********************************************************/
  
  // copied from gc_menu.cpp, should be more generalized
  //extern int ui_do_edit_box(void *id, const CUIRect *rect, char *str, int str_size, float font_size, bool hidden=false);
  
  int CEditor::DoEditBox(void *pID, const CUIRect *pRect, char *pStr, unsigned StrSize, float FontSize, bool Hidden)
  {
      int Inside = UI()->MouseInside(pRect);
  	bool ReturnValue = false;
  	static int s_AtIndex = 0;
  
  	if(UI()->LastActiveItem() == pID)
  	{
  		int Len = str_length(pStr);
  
  		if(Inside && UI()->MouseButton(0))
  		{
  			int MxRel = (int)(UI()->MouseX() - pRect->x);
  
  			for (int i = 1; i <= Len; i++)
  			{
  				if (TextRender()->TextWidth(0, FontSize, pStr, i) + 10 > MxRel)
  				{
  					s_AtIndex = i - 1;
  					break;
  				}
  
  				if (i == Len)
  					s_AtIndex = Len;
  			}
  		}
  
  		for(int i = 0; i < Input()->NumEvents(); i++)
  		{
  			Len = str_length(pStr);
  			ReturnValue |= CLineInput::Manipulate(Input()->GetEvent(i), pStr, StrSize, &Len, &s_AtIndex);
  		}
  	}
  
  	bool JustGotActive = false;
  
  	if(UI()->ActiveItem() == pID)
  	{
  		if(!UI()->MouseButton(0))
  			UI()->SetActiveItem(0);
  	}
  	else if(UI()->HotItem() == pID)
  	{
  		if(UI()->MouseButton(0))
  		{
  			if (UI()->LastActiveItem() != pID)
  				JustGotActive = true;
  			UI()->SetActiveItem(pID);
  		}
  	}
  
  	if(Inside)
  		UI()->SetHotItem(pID);
  
  	CUIRect Textbox = *pRect;
  	RenderTools()->DrawUIRect(&Textbox, vec4(1,1,1,0.5f), CUI::CORNER_ALL, 3.0f);
  	Textbox.VMargin(3.0f, &Textbox);
  
  	const char *pDisplayStr = pStr;
  	char aStars[128];
  
  	if(Hidden)
  	{
  		unsigned s = str_length(pStr);
  		if(s >= sizeof(aStars))
  			s = sizeof(aStars)-1;
  		for(unsigned int i = 0; i < s; ++i)
  			aStars[i] = '*';
  		aStars[s] = 0;
  		pDisplayStr = aStars;
  	}
  
  	UI()->DoLabel(&Textbox, pDisplayStr, FontSize, -1);
  	
  	//TODO: make it blink
  	if(UI()->LastActiveItem() == pID && !JustGotActive)
  	{
  		float w = TextRender()->TextWidth(0, FontSize, pDisplayStr, s_AtIndex);
  		Textbox = *pRect;
  		Textbox.VSplitLeft(2.0f, 0, &Textbox);
  		Textbox.x += w*UI()->Scale();
  		Textbox.y -= FontSize/10.f;
  		
  		UI()->DoLabel(&Textbox, "|", FontSize*1.1f, -1);
  	}
  
  	return ReturnValue;
  }
  
  vec4 CEditor::ButtonColorMul(const void *pID)
  {
  	if(UI()->ActiveItem() == pID)
  		return vec4(1,1,1,0.5f);
  	else if(UI()->HotItem() == pID)
  		return vec4(1,1,1,1.5f);
  	return vec4(1,1,1,1);
  }
  
  float CEditor::UiDoScrollbarV(const void *pID, const CUIRect *pRect, float Current)
  {
  	CUIRect Handle;
  	static float s_OffsetY;
  	pRect->HSplitTop(33, &Handle, 0);
  
  	Handle.y += (pRect->h-Handle.h)*Current;
  
  	// logic
      float Ret = Current;
      int Inside = UI()->MouseInside(&Handle);
  
  	if(UI()->ActiveItem() == pID)
  	{
  		if(!UI()->MouseButton(0))
  			UI()->SetActiveItem(0);
  
  		float Min = pRect->y;
  		float Max = pRect->h-Handle.h;
  		float Cur = UI()->MouseY()-s_OffsetY;
  		Ret = (Cur-Min)/Max;
  		if(Ret < 0.0f) Ret = 0.0f;
  		if(Ret > 1.0f) Ret = 1.0f;
  	}
  	else if(UI()->HotItem() == pID)
  	{
  		if(UI()->MouseButton(0))
  		{
  			UI()->SetActiveItem(pID);
  			s_OffsetY = UI()->MouseY()-Handle.y;
  		}
  	}
  
  	if(Inside)
  		UI()->SetHotItem(pID);
  
  	// render
  	CUIRect Rail;
  	pRect->VMargin(5.0f, &Rail);
  	RenderTools()->DrawUIRect(&Rail, vec4(1,1,1,0.25f), 0, 0.0f);
  
  	CUIRect Slider = Handle;
  	Slider.w = Rail.x-Slider.x;
  	RenderTools()->DrawUIRect(&Slider, vec4(1,1,1,0.25f), CUI::CORNER_L, 2.5f);
  	Slider.x = Rail.x+Rail.w;
  	RenderTools()->DrawUIRect(&Slider, vec4(1,1,1,0.25f), CUI::CORNER_R, 2.5f);
  
  	Slider = Handle;
  	Slider.Margin(5.0f, &Slider);
  	RenderTools()->DrawUIRect(&Slider, vec4(1,1,1,0.25f)*ButtonColorMul(pID), CUI::CORNER_ALL, 2.5f);
  
      return Ret;
  }
  
  vec4 CEditor::GetButtonColor(const void *pID, int Checked)
  {
  	if(Checked < 0)
  		return vec4(0,0,0,0.5f);
  
  	if(Checked > 0)
  	{
  		if(UI()->HotItem() == pID)
  			return vec4(1,0,0,0.75f);
  		return vec4(1,0,0,0.5f);
  	}
  
  	if(UI()->HotItem() == pID)
  		return vec4(1,1,1,0.75f);
  	return vec4(1,1,1,0.5f);
  }
  
  int CEditor::DoButton_Editor_Common(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	if(UI()->MouseInside(pRect))
  	{
  		if(Flags&BUTTON_CONTEXT)
  			ms_pUiGotContext = pID;
  		if(m_pTooltip)
  			m_pTooltip = pToolTip;
  	}
  
  	if(UI()->HotItem() == pID && pToolTip)
  		m_pTooltip = (const char *)pToolTip;
  
  	return UI()->DoButtonLogic(pID, pText, Checked, pRect);
  
  	// Draw here
  	//return UI()->DoButton(id, text, checked, r, draw_func, 0);
  }
  
  
  int CEditor::DoButton_Editor(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_ALL, 3.0f);
  	CUIRect NewRect = *pRect;
  	NewRect.y += NewRect.h/2.0f-7.0f;
  	float tw = min(TextRender()->TextWidth(0, 10.0f, pText, -1), NewRect.w);
  	CTextCursor Cursor;
  	TextRender()->SetCursor(&Cursor, NewRect.x + NewRect.w/2-tw/2, NewRect.y - 1.0f, 10.0f, TEXTFLAG_RENDER|TEXTFLAG_STOP_AT_END);
  	Cursor.m_LineWidth = NewRect.w;
  	TextRender()->TextEx(&Cursor, pText, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_File(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	if(Checked)
  		RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_ALL, 3.0f);
  
  	CUIRect t = *pRect;
  	t.VMargin(5.0f, &t);
  	UI()->DoLabel(&t, pText, 10, -1, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_Menu(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	CUIRect r = *pRect;
      RenderTools()->DrawUIRect(&r, vec4(0.5f, 0.5f, 0.5f, 1.0f), CUI::CORNER_T, 3.0f);
  
  	r = *pRect;
  	r.VMargin(5.0f, &r);
  	UI()->DoLabel(&r, pText, 10, -1, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_MenuItem(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	if(UI()->HotItem() == pID || Checked)
  		RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_ALL, 3.0f);
  
  	CUIRect t = *pRect;
  	t.VMargin(5.0f, &t);
  	CTextCursor Cursor;
  	TextRender()->SetCursor(&Cursor, t.x, t.y - 1.0f, 10.0f, TEXTFLAG_RENDER|TEXTFLAG_STOP_AT_END);
  	Cursor.m_LineWidth = t.w;
  	TextRender()->TextEx(&Cursor, pText, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_Tab(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_T, 5.0f);
      CUIRect NewRect = *pRect;
      NewRect.y += NewRect.h/2.0f-7.0f;
      UI()->DoLabel(&NewRect, pText, 10, 0, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_Ex(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip, int Corners)
  {
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), Corners, 3.0f);
      CUIRect NewRect = *pRect;
      NewRect.y += NewRect.h/2.0f-7.0f;
      UI()->DoLabel(&NewRect, pText, 10, 0, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_ButtonInc(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_R, 3.0f);
  	UI()->DoLabel(pRect, pText?pText:"+", 10, 0, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  int CEditor::DoButton_ButtonDec(const void *pID, const char *pText, int Checked, const CUIRect *pRect, int Flags, const char *pToolTip)
  {
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, Checked), CUI::CORNER_L, 3.0f);
  	UI()->DoLabel(pRect, pText?pText:"-", 10, 0, -1);
  	return DoButton_Editor_Common(pID, pText, Checked, pRect, Flags, pToolTip);
  }
  
  void CEditor::RenderBackground(CUIRect View, int Texture, float Size, float Brightness)
  {
  	Graphics()->TextureSet(Texture);
  	Graphics()->BlendNormal();
  	Graphics()->QuadsBegin();
  	Graphics()->SetColor(Brightness, Brightness, Brightness, 1.0f);
  	Graphics()->QuadsSetSubset(0,0, View.w/Size, View.h/Size);
  	IGraphics::CQuadItem QuadItem(View.x, View.y, View.w, View.h);
  	Graphics()->QuadsDrawTL(&QuadItem, 1);
  	Graphics()->QuadsEnd();
  }
  
  int CEditor::UiDoValueSelector(void *pID, CUIRect *pRect, const char *pLabel, int Current, int Min, int Max, int Step, float Scale, const char *pToolTip)
  {
      // logic
      static float s_Value;
      int Ret = 0;
      int Inside = UI()->MouseInside(pRect);
  
  	if(UI()->ActiveItem() == pID)
  	{
  		if(!UI()->MouseButton(0))
  		{
  			if(Inside)
  				Ret = 1;
  			m_LockMouse = false;
  			UI()->SetActiveItem(0);
  		}
  		else
  		{
  			if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  				s_Value += m_MouseDeltaX*0.05f;
  			else
  				s_Value += m_MouseDeltaX;
  
  			if(absolute(s_Value) > Scale)
  			{
  				int Count = (int)(s_Value/Scale);
  				s_Value = fmod(s_Value, Scale);
  				Current += Step*Count;
  				if(Current < Min)
  					Current = Min;
  				if(Current > Max)
  					Current = Max;
  			}
  		}
  		if(pToolTip)
  			m_pTooltip = pToolTip;
  	}
  	else if(UI()->HotItem() == pID)
  	{
  		if(UI()->MouseButton(0))
  		{
  			m_LockMouse = true;
  			s_Value = 0;
  			UI()->SetActiveItem(pID);
  		}
  		if(pToolTip)
  			m_pTooltip = pToolTip;
  	}
  
  	if(Inside)
  		UI()->SetHotItem(pID);
  
  	// render
  	char aBuf[128];
  	str_format(aBuf, sizeof(aBuf),"%s %d", pLabel, Current);
  	RenderTools()->DrawUIRect(pRect, GetButtonColor(pID, 0), CUI::CORNER_ALL, 5.0f);
      pRect->y += pRect->h/2.0f-7.0f;
      UI()->DoLabel(pRect, aBuf, 10, 0, -1);
      
  	return Current;
  }
  
  CLayerGroup *CEditor::GetSelectedGroup()
  {
  	if(m_SelectedGroup >= 0 && m_SelectedGroup < m_Map.m_lGroups.size())
  		return m_Map.m_lGroups[m_SelectedGroup];
  	return 0x0;
  }
  
  CLayer *CEditor::GetSelectedLayer(int Index)
  {
  	CLayerGroup *pGroup = GetSelectedGroup();
  	if(!pGroup)
  		return 0x0;
  
  	if(m_SelectedLayer >= 0 && m_SelectedLayer < m_Map.m_lGroups[m_SelectedGroup]->m_lLayers.size())
  		return pGroup->m_lLayers[m_SelectedLayer];
  	return 0x0;
  }
  
  CLayer *CEditor::GetSelectedLayerType(int Index, int Type)
  {
  	CLayer *p = GetSelectedLayer(Index);
  	if(p && p->m_Type == Type)
  		return p;
  	return 0x0;
  }
  
  CQuad *CEditor::GetSelectedQuad()
  {
  	CLayerQuads *ql = (CLayerQuads *)GetSelectedLayerType(0, LAYERTYPE_QUADS);
  	if(!ql)
  		return 0;
  	if(m_SelectedQuad >= 0 && m_SelectedQuad < ql->m_lQuads.size())
  		return &ql->m_lQuads[m_SelectedQuad];
  	return 0;
  }
  
  void CEditor::CallbackOpenMap(const char *pFileName, int StorageType, void *pUser)
  {
  	CEditor *pEditor = (CEditor*)pUser;
  	if(pEditor->Load(pFileName, StorageType))
  	{
  		str_copy(pEditor->m_aFileName, pFileName, 512);
  		pEditor->m_ValidSaveFilename = StorageType == IStorage::TYPE_SAVE && pEditor->m_pFileDialogPath == pEditor->m_aFileDialogCurrentFolder;
  		pEditor->SortImages();
  		pEditor->m_Dialog = DIALOG_NONE;
  		pEditor->m_Map.m_Modified = false;
  	}
  }
  void CEditor::CallbackAppendMap(const char *pFileName, int StorageType, void *pUser)
  {
  	CEditor *pEditor = (CEditor*)pUser;
  	if(pEditor->Append(pFileName, StorageType))
  		pEditor->m_aFileName[0] = 0;
  	else
  		pEditor->SortImages();
  	
  	pEditor->m_Dialog = DIALOG_NONE;
  }
  void CEditor::CallbackSaveMap(const char *pFileName, int StorageType, void *pUser)
  {
  	CEditor *pEditor = static_cast<CEditor*>(pUser);
  	char aBuf[1024];
  	const int Length = str_length(pFileName);
  	// add map extension
  	if(Length <= 4 || pFileName[Length-4] != '.' || str_comp_nocase(pFileName+Length-3, "map"))
  	{
  		str_format(aBuf, sizeof(aBuf), "%s.map", pFileName);
  		pFileName = aBuf;
  	}
  
  	if(pEditor->Save(pFileName))
  	{
  		str_copy(pEditor->m_aFileName, pFileName, sizeof(pEditor->m_aFileName));
  		pEditor->m_ValidSaveFilename = StorageType == IStorage::TYPE_SAVE && pEditor->m_pFileDialogPath == pEditor->m_aFileDialogCurrentFolder;
  		pEditor->m_Map.m_Modified = false;
  	}
  	
  	pEditor->m_Dialog = DIALOG_NONE;
  }
  
  void CEditor::DoToolbar(CUIRect ToolBar)
  {
  	CUIRect TB_Top, TB_Bottom;
  	CUIRect Button;
  	
  	ToolBar.HSplitTop(ToolBar.h/2.0f, &TB_Top, &TB_Bottom);
  	
      TB_Top.HSplitBottom(2.5f, &TB_Top, 0);
      TB_Bottom.HSplitTop(2.5f, 0, &TB_Bottom);
  
  	// ctrl+o to open
  	if(Input()->KeyDown('o') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL)))
  	{
  		if(HasUnsavedData())
  		{
  			m_PopupEventType = POPEVENT_LOAD;
  			m_PopupEventActivated = true;
  		}
  		else
  			InvokeFileDialog(IStorage::TYPE_ALL, FILETYPE_MAP, "Load map", "Load", "maps", "", CallbackOpenMap, this);
  	}
  
  	// ctrl+s to save
  	if(Input()->KeyDown('s') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL)))
  	{
  		if(m_aFileName[0] && m_ValidSaveFilename)	
  		{
  			str_copy(m_aFileSaveName, m_aFileName, sizeof(m_aFileSaveName));
  			m_PopupEventType = POPEVENT_SAVE;
  			m_PopupEventActivated = true;
  		}
  		else
  			InvokeFileDialog(IStorage::TYPE_SAVE, FILETYPE_MAP, "Save map", "Save", "maps", "", CallbackSaveMap, this);
  	}
  
  	// detail button
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_HqButton = 0;
  	if(DoButton_Editor(&s_HqButton, "HD", m_ShowDetail, &Button, 0, "[ctrl+h] Toggle High Detail") ||
  		(Input()->KeyDown('h') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL))))
  	{
  		m_ShowDetail = !m_ShowDetail;
  	}
  
  	TB_Top.VSplitLeft(5.0f, 0, &TB_Top);
  
  	// animation button
  	TB_Top.VSplitLeft(40.0f, &Button, &TB_Top);
  	static int s_AnimateButton = 0;
  	if(DoButton_Editor(&s_AnimateButton, "Anim", m_Animate, &Button, 0, "[ctrl+m] Toggle animation") ||
  		(Input()->KeyDown('m') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL))))
  	{
  		m_AnimateStart = time_get();
  		m_Animate = !m_Animate;
  	}
  
  	TB_Top.VSplitLeft(5.0f, 0, &TB_Top);
  
  	// proof button
  	TB_Top.VSplitLeft(40.0f, &Button, &TB_Top);
  	static int s_ProofButton = 0;
  	if(DoButton_Editor(&s_ProofButton, "Proof", m_ProofBorders, &Button, 0, "[ctrl+p] Toggles proof borders. These borders represent what a player maximum can see.") ||
  		(Input()->KeyDown('p') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL))))
  	{
  		m_ProofBorders = !m_ProofBorders;
  	}
  
  	TB_Top.VSplitLeft(5.0f, 0, &TB_Top);
  
  	// tile info button
  	TB_Top.VSplitLeft(40.0f, &Button, &TB_Top);
  	static int s_TileInfoButton = 0;
  	if(DoButton_Editor(&s_TileInfoButton, "Info", m_ShowTileInfo, &Button, 0, "[ctrl+i] Show tile informations") ||
  		(Input()->KeyDown('i') && (Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL))))
  	{
  		m_ShowTileInfo = !m_ShowTileInfo;
  	}
  
  	TB_Top.VSplitLeft(15.0f, 0, &TB_Top);
  
  	// zoom group
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_ZoomOutButton = 0;
  	if(DoButton_Ex(&s_ZoomOutButton, "ZO", 0, &Button, 0, "[NumPad-] Zoom out", CUI::CORNER_L) || Input()->KeyDown(KEY_KP_MINUS))
  		m_ZoomLevel += 50;
  
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_ZoomNormalButton = 0;
  	if(DoButton_Ex(&s_ZoomNormalButton, "1:1", 0, &Button, 0, "[NumPad*] Zoom to normal and remove editor offset", 0) || Input()->KeyDown(KEY_KP_MULTIPLY))
  	{
  		m_EditorOffsetX = 0;
  		m_EditorOffsetY = 0;
  		m_ZoomLevel = 100;
  	}
  
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_ZoomInButton = 0;
  	if(DoButton_Ex(&s_ZoomInButton, "ZI", 0, &Button, 0, "[NumPad+] Zoom in", CUI::CORNER_R) || Input()->KeyDown(KEY_KP_PLUS))
  		m_ZoomLevel -= 50;
  
  	TB_Top.VSplitLeft(10.0f, 0, &TB_Top);
  
  	// animation speed
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_AnimFasterButton = 0;
  	if(DoButton_Ex(&s_AnimFasterButton, "A+", 0, &Button, 0, "Increase animation speed", CUI::CORNER_L))
  		m_AnimateSpeed += 0.5f;
  
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_AnimNormalButton = 0;
  	if(DoButton_Ex(&s_AnimNormalButton, "1", 0, &Button, 0, "Normal animation speed", 0))
  		m_AnimateSpeed = 1.0f;
  
  	TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  	static int s_AnimSlowerButton = 0;
  	if(DoButton_Ex(&s_AnimSlowerButton, "A-", 0, &Button, 0, "Decrease animation speed", CUI::CORNER_R))
  	{
  		if(m_AnimateSpeed > 0.5f)
  			m_AnimateSpeed -= 0.5f;
  	}
  
  	if(Input()->KeyPresses(KEY_MOUSE_WHEEL_UP) && m_Dialog == DIALOG_NONE)
  		m_ZoomLevel -= 20;
  
  	if(Input()->KeyPresses(KEY_MOUSE_WHEEL_DOWN) && m_Dialog == DIALOG_NONE)
  		m_ZoomLevel += 20;
  
  	if(m_ZoomLevel < 50)
  		m_ZoomLevel = 50;
  	m_WorldZoom = m_ZoomLevel/100.0f;
  
  	TB_Top.VSplitLeft(10.0f, &Button, &TB_Top);
  
  
  	// brush manipulation
  	{
  		int Enabled = m_Brush.IsEmpty()?-1:0;
  
  		// flip buttons
  		TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  		static int s_FlipXButton = 0;
  		if(DoButton_Ex(&s_FlipXButton, "X/X", Enabled, &Button, 0, "[N] Flip brush horizontal", CUI::CORNER_L) || Input()->KeyDown('n'))
  		{
  			for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  				m_Brush.m_lLayers[i]->BrushFlipX();
  		}
  
  		TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  		static int s_FlipyButton = 0;
  		if(DoButton_Ex(&s_FlipyButton, "Y/Y", Enabled, &Button, 0, "[M] Flip brush vertical", CUI::CORNER_R) || Input()->KeyDown('m'))
  		{
  			for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  				m_Brush.m_lLayers[i]->BrushFlipY();
  		}
  
  		// rotate buttons
  		TB_Top.VSplitLeft(15.0f, &Button, &TB_Top);
  
  		TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  		static int s_RotationAmount = 90;
  		bool TileLayer = false;
  		// check for tile layers in brush selection
  		for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  			if(m_Brush.m_lLayers[i]->m_Type == LAYERTYPE_TILES)
  			{
  				TileLayer = true;
  				s_RotationAmount = max(90, (s_RotationAmount/90)*90);
  				break;
  			}
  		s_RotationAmount = UiDoValueSelector(&s_RotationAmount, &Button, "", s_RotationAmount, TileLayer?90:1, 359, TileLayer?90:1, TileLayer?10.0f:2.0f, "Rotation of the brush in degrees. Use left mouse button to drag and change the value. Hold shift to be more precise.");
  
  		TB_Top.VSplitLeft(5.0f, &Button, &TB_Top);
  		TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  		static int s_CcwButton = 0;
  		if(DoButton_Ex(&s_CcwButton, "CCW", Enabled, &Button, 0, "[R] Rotates the brush counter clockwise", CUI::CORNER_L) || Input()->KeyDown('r'))
  		{
  			for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  				m_Brush.m_lLayers[i]->BrushRotate(-s_RotationAmount/360.0f*pi*2);
  		}
  
  		TB_Top.VSplitLeft(30.0f, &Button, &TB_Top);
  		static int s_CwButton = 0;
  		if(DoButton_Ex(&s_CwButton, "CW", Enabled, &Button, 0, "[T] Rotates the brush clockwise", CUI::CORNER_R) || Input()->KeyDown('t'))
  		{
  			for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  				m_Brush.m_lLayers[i]->BrushRotate(s_RotationAmount/360.0f*pi*2);
  		}
  	}
  
  	// quad manipulation
  	{
  		// do add button
  		TB_Top.VSplitLeft(10.0f, &Button, &TB_Top);
  		TB_Top.VSplitLeft(60.0f, &Button, &TB_Top);
  		static int s_NewButton = 0;
  
  		CLayerQuads *pQLayer = (CLayerQuads *)GetSelectedLayerType(0, LAYERTYPE_QUADS);
  		//CLayerTiles *tlayer = (CLayerTiles *)get_selected_layer_type(0, LAYERTYPE_TILES);
  		if(DoButton_Editor(&s_NewButton, "Add Quad", pQLayer?0:-1, &Button, 0, "Adds a new quad"))
  		{
  			if(pQLayer)
  			{
  				float Mapping[4];
  				CLayerGroup *g = GetSelectedGroup();
  				g->Mapping(Mapping);
  				int AddX = f2fx(Mapping[0] + (Mapping[2]-Mapping[0])/2);
  				int AddY = f2fx(Mapping[1] + (Mapping[3]-Mapping[1])/2);
  
  				CQuad *q = pQLayer->NewQuad();
  				for(int i = 0; i < 5; i++)
  				{
  					q->m_aPoints[i].x += AddX;
  					q->m_aPoints[i].y += AddY;
  				}
  			}
  		}
  	}
      
  	// tile manipulation
  	{
  		TB_Bottom.VSplitLeft(40.0f, &Button, &TB_Bottom);
  		static int s_BorderBut = 0;
  		CLayerTiles *pT = (CLayerTiles *)GetSelectedLayerType(0, LAYERTYPE_TILES);
  		
  		if(DoButton_Editor(&s_BorderBut, "Border", pT?0:-1, &Button, 0, "Adds border tiles"))
  		{
  			if(pT)
                  DoMapBorder();
  		}
  	}
  
  	TB_Bottom.VSplitLeft(5.0f, 0, &TB_Bottom);
  
  	// refocus button
  	TB_Bottom.VSplitLeft(50.0f, &Button, &TB_Bottom);
  	static int s_RefocusButton = 0;
  	if(DoButton_Editor(&s_RefocusButton, "Refocus", m_WorldOffsetX&&m_WorldOffsetY?0:-1, &Button, 0, "[HOME] Restore map focus") || Input()->KeyDown(KEY_HOME))
  	{
  		m_WorldOffsetX = 0;
  		m_WorldOffsetY = 0;
  	}
  }
  
  static void Rotate(CPoint *pCenter, CPoint *pPoint, float Rotation)
  {
  	int x = pPoint->x - pCenter->x;
  	int y = pPoint->y - pCenter->y;
  	pPoint->x = (int)(x * cosf(Rotation) - y * sinf(Rotation) + pCenter->x);
  	pPoint->y = (int)(x * sinf(Rotation) + y * cosf(Rotation) + pCenter->y);
  }
  
  void CEditor::DoQuad(CQuad *q, int Index)
  {
  	enum
  	{
  		OP_NONE=0,
  		OP_MOVE_ALL,
  		OP_MOVE_PIVOT,
  		OP_ROTATE,
  		OP_CONTEXT_MENU,
  	};
  
  	// some basic values
  	void *pID = &q->m_aPoints[4]; // use pivot addr as id
  	static CPoint s_RotatePoints[4];
  	static float s_LastWx;
  	static float s_LastWy;
  	static int s_Operation = OP_NONE;
  	static float s_RotateAngle = 0;
  	float wx = UI()->MouseWorldX();
  	float wy = UI()->MouseWorldY();
  
  	// get pivot
  	float CenterX = fx2f(q->m_aPoints[4].x);
  	float CenterY = fx2f(q->m_aPoints[4].y);
  
  	float dx = (CenterX - wx)/m_WorldZoom;
  	float dy = (CenterY - wy)/m_WorldZoom;
  	if(dx*dx+dy*dy < 50)
  		UI()->SetHotItem(pID);
  
  	// draw selection background
  	if(m_SelectedQuad == Index)
  	{
  		Graphics()->SetColor(0,0,0,1);
  		IGraphics::CQuadItem QuadItem(CenterX, CenterY, 7.0f, 7.0f);
  		Graphics()->QuadsDraw(&QuadItem, 1);
  	}
  
  	if(UI()->ActiveItem() == pID)
  	{
  		// check if we only should move pivot
  		if(s_Operation == OP_MOVE_PIVOT)
  		{
  			q->m_aPoints[4].x += f2fx(wx-s_LastWx);
  			q->m_aPoints[4].y += f2fx(wy-s_LastWy);
  		}
  		else if(s_Operation == OP_MOVE_ALL)
  		{
  			// move all points including pivot
  			for(int v = 0; v < 5; v++)
  			{
  				q->m_aPoints[v].x += f2fx(wx-s_LastWx);
  				q->m_aPoints[v].y += f2fx(wy-s_LastWy);
  			}
  		}
  		else if(s_Operation == OP_ROTATE)
  		{
  			for(int v = 0; v < 4; v++)
  			{
  				q->m_aPoints[v] = s_RotatePoints[v];
  				Rotate(&q->m_aPoints[4], &q->m_aPoints[v], s_RotateAngle);
  			}
  		}
  
  		s_RotateAngle += (m_MouseDeltaX) * 0.002f;
  		s_LastWx = wx;
  		s_LastWy = wy;
  
  		if(s_Operation == OP_CONTEXT_MENU)
  		{
  			if(!UI()->MouseButton(1))
  			{
  				static int s_QuadPopupID = 0;
  				UiInvokePopupMenu(&s_QuadPopupID, 0, UI()->MouseX(), UI()->MouseY(), 120, 180, PopupQuad);
  				m_LockMouse = false;
  				s_Operation = OP_NONE;
  				UI()->SetActiveItem(0);
  			}
  		}
  		else
  		{
  			if(!UI()->MouseButton(0))
  			{
  				m_LockMouse = false;
  				s_Operation = OP_NONE;
  				UI()->SetActiveItem(0);
  			}
  		}
  
  		Graphics()->SetColor(1,1,1,1);
  	}
  	else if(UI()->HotItem() == pID)
  	{
  		ms_pUiGotContext = pID;
  
  		Graphics()->SetColor(1,1,1,1);
  		m_pTooltip = "Left mouse button to move. Hold shift to move pivot. Hold ctrl to rotate.";
  
  		if(UI()->MouseButton(0))
  		{
  			if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  				s_Operation = OP_MOVE_PIVOT;
  			else if(Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL))
  			{
  				m_LockMouse = true;
  				s_Operation = OP_ROTATE;
  				s_RotateAngle = 0;
  				s_RotatePoints[0] = q->m_aPoints[0];
  				s_RotatePoints[1] = q->m_aPoints[1];
  				s_RotatePoints[2] = q->m_aPoints[2];
  				s_RotatePoints[3] = q->m_aPoints[3];
  			}
  			else
  				s_Operation = OP_MOVE_ALL;
  
  			UI()->SetActiveItem(pID);
  			m_SelectedQuad = Index;
  			s_LastWx = wx;
  			s_LastWy = wy;
  		}
  
  		if(UI()->MouseButton(1))
  		{
  			m_SelectedQuad = Index;
  			s_Operation = OP_CONTEXT_MENU;
  			UI()->SetActiveItem(pID);
  		}
  	}
  	else
  		Graphics()->SetColor(0,1,0,1);
  
  	IGraphics::CQuadItem QuadItem(CenterX, CenterY, 5.0f*m_WorldZoom, 5.0f*m_WorldZoom);
  	Graphics()->QuadsDraw(&QuadItem, 1);
  }
  
  void CEditor::DoQuadPoint(CQuad *pQuad, int QuadIndex, int V)
  {
  	void *pID = &pQuad->m_aPoints[V];
  
  	float wx = UI()->MouseWorldX();
  	float wy = UI()->MouseWorldY();
  
  	float px = fx2f(pQuad->m_aPoints[V].x);
  	float py = fx2f(pQuad->m_aPoints[V].y);
  
  	float dx = (px - wx)/m_WorldZoom;
  	float dy = (py - wy)/m_WorldZoom;
  	if(dx*dx+dy*dy < 50)
  		UI()->SetHotItem(pID);
  
  	// draw selection background
  	if(m_SelectedQuad == QuadIndex && m_SelectedPoints&(1<<V))
  	{
  		Graphics()->SetColor(0,0,0,1);
  		IGraphics::CQuadItem QuadItem(px, py, 7.0f, 7.0f);
  		Graphics()->QuadsDraw(&QuadItem, 1);
  	}
  
  	enum
  	{
  		OP_NONE=0,
  		OP_MOVEPOINT,
  		OP_MOVEUV,
  		OP_CONTEXT_MENU
  	};
  
  	static bool s_Moved;
  	static int s_Operation = OP_NONE;
  
  	if(UI()->ActiveItem() == pID)
  	{
  		float dx = m_MouseDeltaWx;
  		float dy = m_MouseDeltaWy;
  		if(!s_Moved)
  		{
  			if(dx*dx+dy*dy > 0.5f)
  				s_Moved = true;
  		}
  
  		if(s_Moved)
  		{
  			if(s_Operation == OP_MOVEPOINT)
  			{
  				for(int m = 0; m < 4; m++)
  					if(m_SelectedPoints&(1<<m))
  					{
  						pQuad->m_aPoints[m].x += f2fx(dx);
  						pQuad->m_aPoints[m].y += f2fx(dy);
  					}
  			}
  			else if(s_Operation == OP_MOVEUV)
  			{
  				for(int m = 0; m < 4; m++)
  					if(m_SelectedPoints&(1<<m))
  					{
  						// 0,2;1,3 - line x 
  						// 0,1;2,3 - line y
  
  						pQuad->m_aTexcoords[m].x += f2fx(dx*0.001f);
  						pQuad->m_aTexcoords[(m+2)%4].x += f2fx(dx*0.001f);
  						
  						pQuad->m_aTexcoords[m].y += f2fx(dy*0.001f);
  						pQuad->m_aTexcoords[m^1].y += f2fx(dy*0.001f);
  					}
  			}
  		}
  
  		if(s_Operation == OP_CONTEXT_MENU)
  		{
  			if(!UI()->MouseButton(1))
  			{
  				static int s_PointPopupID = 0;
  				UiInvokePopupMenu(&s_PointPopupID, 0, UI()->MouseX(), UI()->MouseY(), 120, 150, PopupPoint);
  				UI()->SetActiveItem(0);
  			}
  		}
  		else
  		{
  			if(!UI()->MouseButton(0))
  			{
  				if(!s_Moved)
  				{
  					if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  						m_SelectedPoints ^= 1<<V;
  					else
  						m_SelectedPoints = 1<<V;
  				}
  				m_LockMouse = false;
  				UI()->SetActiveItem(0);
  			}
  		}
  
  		Graphics()->SetColor(1,1,1,1);
  	}
  	else if(UI()->HotItem() == pID)
  	{
  		ms_pUiGotContext = pID;
  
  		Graphics()->SetColor(1,1,1,1);
  		m_pTooltip = "Left mouse button to move. Hold shift to move the texture.";
  
  		if(UI()->MouseButton(0))
  		{
  			UI()->SetActiveItem(pID);
  			s_Moved = false;
  			if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  			{
  				s_Operation = OP_MOVEUV;
  				m_LockMouse = true;
  			}
  			else
  				s_Operation = OP_MOVEPOINT;
  
  			if(!(m_SelectedPoints&(1<<V)))
  			{
  				if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  					m_SelectedPoints |= 1<<V;
  				else
  					m_SelectedPoints = 1<<V;
  				s_Moved = true;
  			}
  
  			m_SelectedQuad = QuadIndex;
  		}
  		else if(UI()->MouseButton(1))
  		{
  			s_Operation = OP_CONTEXT_MENU;
  			m_SelectedQuad = QuadIndex;
  			UI()->SetActiveItem(pID);
  			if(!(m_SelectedPoints&(1<<V)))
  			{
  				if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  					m_SelectedPoints |= 1<<V;
  				else
  					m_SelectedPoints = 1<<V;
  				s_Moved = true;
  			}
  		}
  	}
  	else
  		Graphics()->SetColor(1,0,0,1);
  
  	IGraphics::CQuadItem QuadItem(px, py, 5.0f*m_WorldZoom, 5.0f*m_WorldZoom);
  	Graphics()->QuadsDraw(&QuadItem, 1);
  }
  
  void CEditor::DoMapEditor(CUIRect View, CUIRect ToolBar)
  {
  	//UI()->ClipEnable(&view);
  
  	bool ShowPicker = Input()->KeyPressed(KEY_SPACE) != 0 && m_Dialog == DIALOG_NONE;
  
  	// render all good stuff
  	if(!ShowPicker)
  	{
  		for(int g = 0; g < m_Map.m_lGroups.size(); g++)
  		{
  			if(m_Map.m_lGroups[g]->m_Visible)
  				m_Map.m_lGroups[g]->Render();
  			//UI()->ClipEnable(&view);
  		}
  
  		// render the game above everything else
  		if(m_Map.m_pGameGroup->m_Visible && m_Map.m_pGameLayer->m_Visible)
  		{
  			m_Map.m_pGameGroup->MapScreen();
  			m_Map.m_pGameLayer->Render();
  		}
  
  		CLayerTiles *pT = static_cast<CLayerTiles *>(GetSelectedLayerType(0, LAYERTYPE_TILES));
  		if(m_ShowTileInfo && pT && pT->m_Visible && m_ZoomLevel <= 300)
  			pT->ShowInfo();
  	}
  
  	static void *s_pEditorID = (void *)&s_pEditorID;
  	int Inside = UI()->MouseInside(&View);
  
  	// fetch mouse position
  	float wx = UI()->MouseWorldX();
  	float wy = UI()->MouseWorldY();
  	float mx = UI()->MouseX();
  	float my = UI()->MouseY();
  
  	static float s_StartWx = 0;
  	static float s_StartWy = 0;
  	static float s_StartMx = 0;
  	static float s_StartMy = 0;
  
  	enum
  	{
  		OP_NONE=0,
  		OP_BRUSH_GRAB,
  		OP_BRUSH_DRAW,
  		OP_BRUSH_PAINT,
  		OP_PAN_WORLD,
  		OP_PAN_EDITOR,
  	};
  
  	// remap the screen so it can display the whole tileset
  	if(ShowPicker)
  	{
  		CUIRect Screen = *UI()->Screen();
  		float Size = 32.0*16.0f;
  		float w = Size*(Screen.w/View.w);
  		float h = Size*(Screen.h/View.h);
  		float x = -(View.x/Screen.w)*w;
  		float y = -(View.y/Screen.h)*h;
  		wx = x+w*mx/Screen.w;
  		wy = y+h*my/Screen.h;
  		Graphics()->MapScreen(x, y, x+w, y+h);
  		CLayerTiles *t = (CLayerTiles *)GetSelectedLayerType(0, LAYERTYPE_TILES);
  		if(t)
  		{
  			m_TilesetPicker.m_Image = t->m_Image;
  			m_TilesetPicker.m_TexID = t->m_TexID;
  			m_TilesetPicker.Render();
  			if(m_ShowTileInfo)
  				m_TilesetPicker.ShowInfo();
  		}
  	}
  
  	static int s_Operation = OP_NONE;
  
  	// draw layer borders
  	CLayer *pEditLayers[16];
  	int NumEditLayers = 0;
  	NumEditLayers = 0;
  
  	if(ShowPicker)
  	{
  		pEditLayers[0] = &m_TilesetPicker;
  		NumEditLayers++;
  	}
  	else
  	{
  		pEditLayers[0] = GetSelectedLayer(0);
  		if(pEditLayers[0])
  			NumEditLayers++;
  
  		CLayerGroup *g = GetSelectedGroup();
  		if(g)
  		{
  			g->MapScreen();
  
  			for(int i = 0; i < NumEditLayers; i++)
  			{
  				if(pEditLayers[i]->m_Type != LAYERTYPE_TILES)
  					continue;
  
  				float w, h;
  				pEditLayers[i]->GetSize(&w, &h);
  
  				IGraphics::CLineItem Array[4] = {
  					IGraphics::CLineItem(0, 0, w, 0),
  					IGraphics::CLineItem(w, 0, w, h),
  					IGraphics::CLineItem(w, h, 0, h),
  					IGraphics::CLineItem(0, h, 0, 0)};
  				Graphics()->TextureSet(-1);
  				Graphics()->LinesBegin();
  				Graphics()->LinesDraw(Array, 4);
  				Graphics()->LinesEnd();
  			}
  		}
  	}
  
  	if(Inside)
  	{
  		UI()->SetHotItem(s_pEditorID);
  
  		// do global operations like pan and zoom
  		if(UI()->ActiveItem() == 0 && (UI()->MouseButton(0) || UI()->MouseButton(2)))
  		{
  			s_StartWx = wx;
  			s_StartWy = wy;
  			s_StartMx = mx;
  			s_StartMy = my;
  
  			if(Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL) || UI()->MouseButton(2))
  			{
  				if(Input()->KeyPressed(KEY_LSHIFT))
  					s_Operation = OP_PAN_EDITOR;
  				else
  					s_Operation = OP_PAN_WORLD;
  				UI()->SetActiveItem(s_pEditorID);
  			}
  		}
  
  		// brush editing
  		if(UI()->HotItem() == s_pEditorID)
  		{
  			if(m_Brush.IsEmpty())
  				m_pTooltip = "Use left mouse button to drag and create a brush.";
  			else
  				m_pTooltip = "Use left mouse button to paint with the brush. Right button clears the brush.";
  
  			if(UI()->ActiveItem() == s_pEditorID)
  			{
  				CUIRect r;
  				r.x = s_StartWx;
  				r.y = s_StartWy;
  				r.w = wx-s_StartWx;
  				r.h = wy-s_StartWy;
  				if(r.w < 0)
  				{
  					r.x += r.w;
  					r.w = -r.w;
  				}
  
  				if(r.h < 0)
  				{
  					r.y += r.h;
  					r.h = -r.h;
  				}
  
  				if(s_Operation == OP_BRUSH_DRAW)
  				{
  					if(!m_Brush.IsEmpty())
  					{
  						// draw with brush
  						for(int k = 0; k < NumEditLayers; k++)
  						{
  							if(pEditLayers[k]->m_Type == m_Brush.m_lLayers[0]->m_Type)
  								pEditLayers[k]->BrushDraw(m_Brush.m_lLayers[0], wx, wy);
  						}
  					}
  				}
  				else if(s_Operation == OP_BRUSH_GRAB)
  				{
  					if(!UI()->MouseButton(0))
  					{
  						// grab brush
  						char aBuf[256];
  						str_format(aBuf, sizeof(aBuf),"grabbing %f %f %f %f", r.x, r.y, r.w, r.h);
  						Console()->Print(IConsole::OUTPUT_LEVEL_DEBUG, "editor", aBuf);
  
  						// TODO: do all layers
  						int Grabs = 0;
  						for(int k = 0; k < NumEditLayers; k++)
  							Grabs += pEditLayers[k]->BrushGrab(&m_Brush, r);
  						if(Grabs == 0)
  							m_Brush.Clear();
  					}
  					else
  					{
  						//editor.map.groups[selected_group]->mapscreen();
  						for(int k = 0; k < NumEditLayers; k++)
  							pEditLayers[k]->BrushSelecting(r);
  						Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  					}
  				}
  				else if(s_Operation == OP_BRUSH_PAINT)
  				{
  					if(!UI()->MouseButton(0))
  					{
                          for(int k = 0; k < NumEditLayers; k++)
                              pEditLayers[k]->FillSelection(m_Brush.IsEmpty(), m_Brush.m_lLayers[0], r);
  					}
  					else
  					{
  						//editor.map.groups[selected_group]->mapscreen();
  						for(int k = 0; k < NumEditLayers; k++)
  							pEditLayers[k]->BrushSelecting(r);
  						Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  					}
  				}
  			}
  			else
  			{
  				if(UI()->MouseButton(1))
  					m_Brush.Clear();
  
  				if(UI()->MouseButton(0) && s_Operation == OP_NONE)
  				{
  					UI()->SetActiveItem(s_pEditorID);
  
  					if(m_Brush.IsEmpty())
  						s_Operation = OP_BRUSH_GRAB;
  					else
  					{
  						s_Operation = OP_BRUSH_DRAW;
  						for(int k = 0; k < NumEditLayers; k++)
  						{
  							if(pEditLayers[k]->m_Type == m_Brush.m_lLayers[0]->m_Type)
  								pEditLayers[k]->BrushPlace(m_Brush.m_lLayers[0], wx, wy);
  						}
  
  					}
  					
  					CLayerTiles *pLayer = (CLayerTiles*)GetSelectedLayerType(0, LAYERTYPE_TILES);
  					if((Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT)) && pLayer)
                          s_Operation = OP_BRUSH_PAINT;
  				}
  
  				if(!m_Brush.IsEmpty())
  				{
  					m_Brush.m_OffsetX = -(int)wx;
  					m_Brush.m_OffsetY = -(int)wy;
  					for(int i = 0; i < m_Brush.m_lLayers.size(); i++)
  					{
  						if(m_Brush.m_lLayers[i]->m_Type == LAYERTYPE_TILES)
  						{
  							m_Brush.m_OffsetX = -(int)(wx/32.0f)*32;
  							m_Brush.m_OffsetY = -(int)(wy/32.0f)*32;
  							break;
  						}
  					}
  
  					CLayerGroup *g = GetSelectedGroup();
  					if(g)
  					{
  						m_Brush.m_OffsetX += g->m_OffsetX;
  						m_Brush.m_OffsetY += g->m_OffsetY;
  						m_Brush.m_ParallaxX = g->m_ParallaxX;
  						m_Brush.m_ParallaxY = g->m_ParallaxY;
  						m_Brush.Render();
  						float w, h;
  						m_Brush.GetSize(&w, &h);
  
  						IGraphics::CLineItem Array[4] = {
  							IGraphics::CLineItem(0, 0, w, 0),
  							IGraphics::CLineItem(w, 0, w, h),
  							IGraphics::CLineItem(w, h, 0, h),
  							IGraphics::CLineItem(0, h, 0, 0)};
  						Graphics()->TextureSet(-1);
  						Graphics()->LinesBegin();
  						Graphics()->LinesDraw(Array, 4);
  						Graphics()->LinesEnd();
  					}
  				}
  			}
  		}
  
  		// quad editing
  		{
  			if(!ShowPicker && m_Brush.IsEmpty())
  			{
  				// fetch layers
  				CLayerGroup *g = GetSelectedGroup();
  				if(g)
  					g->MapScreen();
  
  				for(int k = 0; k < NumEditLayers; k++)
  				{
  					if(pEditLayers[k]->m_Type == LAYERTYPE_QUADS)
  					{
  						CLayerQuads *pLayer = (CLayerQuads *)pEditLayers[k];
  
  						Graphics()->TextureSet(-1);
  						Graphics()->QuadsBegin();
  						for(int i = 0; i < pLayer->m_lQuads.size(); i++)
  						{
  							for(int v = 0; v < 4; v++)
  								DoQuadPoint(&pLayer->m_lQuads[i], i, v);
  
  							DoQuad(&pLayer->m_lQuads[i], i);
  						}
  						Graphics()->QuadsEnd();
  					}
  				}
  
  				Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  			}
  
  			// do panning
  			if(UI()->ActiveItem() == s_pEditorID)
  			{
  				if(s_Operation == OP_PAN_WORLD)
  				{
  					m_WorldOffsetX -= m_MouseDeltaX*m_WorldZoom;
  					m_WorldOffsetY -= m_MouseDeltaY*m_WorldZoom;
  				}
  				else if(s_Operation == OP_PAN_EDITOR)
  				{
  					m_EditorOffsetX -= m_MouseDeltaX*m_WorldZoom;
  					m_EditorOffsetY -= m_MouseDeltaY*m_WorldZoom;
  				}
  
  				// release mouse
  				if(!UI()->MouseButton(0))
  				{
  					s_Operation = OP_NONE;
  					UI()->SetActiveItem(0);
  				}
  			}
  		}
  	}
  	else if(UI()->ActiveItem() == s_pEditorID)
  	{
  		// release mouse
  		if(!UI()->MouseButton(0))
  		{
  			s_Operation = OP_NONE;
  			UI()->SetActiveItem(0);
  		}
  	}
  
  	if(GetSelectedGroup() && GetSelectedGroup()->m_UseClipping)
  	{
  		CLayerGroup *g = m_Map.m_pGameGroup;
  		g->MapScreen();
  	
  		Graphics()->TextureSet(-1);
  		Graphics()->LinesBegin();
  
  			CUIRect r;
  			r.x = GetSelectedGroup()->m_ClipX;
  			r.y = GetSelectedGroup()->m_ClipY;
  			r.w = GetSelectedGroup()->m_ClipW;
  			r.h = GetSelectedGroup()->m_ClipH;
  
  			IGraphics::CLineItem Array[4] = {
  				IGraphics::CLineItem(r.x, r.y, r.x+r.w, r.y),
  				IGraphics::CLineItem(r.x+r.w, r.y, r.x+r.w, r.y+r.h),
  				IGraphics::CLineItem(r.x+r.w, r.y+r.h, r.x, r.y+r.h),
  				IGraphics::CLineItem(r.x, r.y+r.h, r.x, r.y)};
  			Graphics()->SetColor(1,0,0,1);
  			Graphics()->LinesDraw(Array, 4);
  
  		Graphics()->LinesEnd();
  	}
  
  	// render screen sizes
  	if(m_ProofBorders)
  	{
  		CLayerGroup *g = m_Map.m_pGameGroup;
  		g->MapScreen();
  
  		Graphics()->TextureSet(-1);
  		Graphics()->LinesBegin();
  
  		float aLastPoints[4];
  		float Start = 1.0f; //9.0f/16.0f;
  		float End = 16.0f/9.0f;
  		const int NumSteps = 20;
  		for(int i = 0; i <= NumSteps; i++)
  		{
  			float aPoints[4];
  			float Aspect = Start + (End-Start)*(i/(float)NumSteps);
  
  			RenderTools()->MapscreenToWorld(
  				m_WorldOffsetX, m_WorldOffsetY,
  				1.0f, 1.0f, 0.0f, 0.0f, Aspect, 1.0f, aPoints);
  
  			if(i == 0)
  			{
  				IGraphics::CLineItem Array[2] = {
  					IGraphics::CLineItem(aPoints[0], aPoints[1], aPoints[2], aPoints[1]),
  					IGraphics::CLineItem(aPoints[0], aPoints[3], aPoints[2], aPoints[3])};
  				Graphics()->LinesDraw(Array, 2);
  			}
  
  			if(i != 0)
  			{
  				IGraphics::CLineItem Array[4] = {
  					IGraphics::CLineItem(aPoints[0], aPoints[1], aLastPoints[0], aLastPoints[1]),
  					IGraphics::CLineItem(aPoints[2], aPoints[1], aLastPoints[2], aLastPoints[1]),
  					IGraphics::CLineItem(aPoints[0], aPoints[3], aLastPoints[0], aLastPoints[3]),
  					IGraphics::CLineItem(aPoints[2], aPoints[3], aLastPoints[2], aLastPoints[3])};
  				Graphics()->LinesDraw(Array, 4);
  			}
  
  			if(i == NumSteps)
  			{
  				IGraphics::CLineItem Array[2] = {
  					IGraphics::CLineItem(aPoints[0], aPoints[1], aPoints[0], aPoints[3]),
  					IGraphics::CLineItem(aPoints[2], aPoints[1], aPoints[2], aPoints[3])};
  				Graphics()->LinesDraw(Array, 2);
  			}
  
  			mem_copy(aLastPoints, aPoints, sizeof(aPoints));
  		}
  
  		if(1)
  		{
  			Graphics()->SetColor(1,0,0,1);
  			for(int i = 0; i < 2; i++)
  			{
  				float aPoints[4];
  				float aAspects[] = {4.0f/3.0f, 16.0f/10.0f, 5.0f/4.0f, 16.0f/9.0f};
  				float Aspect = aAspects[i];
  
  				RenderTools()->MapscreenToWorld(
  					m_WorldOffsetX, m_WorldOffsetY,
  					1.0f, 1.0f, 0.0f, 0.0f, Aspect, 1.0f, aPoints);
  
  				CUIRect r;
  				r.x = aPoints[0];
  				r.y = aPoints[1];
  				r.w = aPoints[2]-aPoints[0];
  				r.h = aPoints[3]-aPoints[1];
  
  				IGraphics::CLineItem Array[4] = {
  					IGraphics::CLineItem(r.x, r.y, r.x+r.w, r.y),
  					IGraphics::CLineItem(r.x+r.w, r.y, r.x+r.w, r.y+r.h),
  					IGraphics::CLineItem(r.x+r.w, r.y+r.h, r.x, r.y+r.h),
  					IGraphics::CLineItem(r.x, r.y+r.h, r.x, r.y)};
  				Graphics()->LinesDraw(Array, 4);
  				Graphics()->SetColor(0,1,0,1);
  			}
  		}
  
  		Graphics()->LinesEnd();
  	}
  
  	Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  	//UI()->ClipDisable();
  }
  
  
  int CEditor::DoProperties(CUIRect *pToolBox, CProperty *pProps, int *pIDs, int *pNewVal)
  {
  	int Change = -1;
  
  	for(int i = 0; pProps[i].m_pName; i++)
  	{
  		CUIRect Slot;
  		pToolBox->HSplitTop(13.0f, &Slot, pToolBox);
  		CUIRect Label, Shifter;
  		Slot.VSplitMid(&Label, &Shifter);
  		Shifter.HMargin(1.0f, &Shifter);
  		UI()->DoLabel(&Label, pProps[i].m_pName, 10.0f, -1, -1);
  
  		if(pProps[i].m_Type == PROPTYPE_INT_STEP)
  		{
  			CUIRect Inc, Dec;
  			char aBuf[64];
  
  			Shifter.VSplitRight(10.0f, &Shifter, &Inc);
  			Shifter.VSplitLeft(10.0f, &Dec, &Shifter);
  			str_format(aBuf, sizeof(aBuf),"%d", pProps[i].m_Value);
  			RenderTools()->DrawUIRect(&Shifter, vec4(1,1,1,0.5f), 0, 0.0f);
  			UI()->DoLabel(&Shifter, aBuf, 10.0f, 0, -1);
  
  			if(DoButton_ButtonDec(&pIDs[i], 0, 0, &Dec, 0, "Decrease"))
  			{
  				*pNewVal = pProps[i].m_Value-1;
  				Change = i;
  			}
  			if(DoButton_ButtonInc(((char *)&pIDs[i])+1, 0, 0, &Inc, 0, "Increase"))
  			{
  				*pNewVal = pProps[i].m_Value+1;
  				Change = i;
  			}
  		}
  		else if(pProps[i].m_Type == PROPTYPE_BOOL)
  		{
  			CUIRect No, Yes;
  			Shifter.VSplitMid(&No, &Yes);
  			if(DoButton_ButtonDec(&pIDs[i], "No", !pProps[i].m_Value, &No, 0, ""))
  			{
  				*pNewVal = 0;
  				Change = i;
  			}
  			if(DoButton_ButtonInc(((char *)&pIDs[i])+1, "Yes", pProps[i].m_Value, &Yes, 0, ""))
  			{
  				*pNewVal = 1;
  				Change = i;
  			}
  		}
  		else if(pProps[i].m_Type == PROPTYPE_INT_SCROLL)
  		{
  			int NewValue = UiDoValueSelector(&pIDs[i], &Shifter, "", pProps[i].m_Value, pProps[i].m_Min, pProps[i].m_Max, 1, 1.0f, "Use left mouse button to drag and change the value. Hold shift to be more precise.");
  			if(NewValue != pProps[i].m_Value)
  			{
  				*pNewVal = NewValue;
  				Change = i;
  			}
  		}
  		else if(pProps[i].m_Type == PROPTYPE_COLOR)
  		{
  			static const char *s_paTexts[4] = {"R", "G", "B", "A"};
  			static int s_aShift[] = {24, 16, 8, 0};
  			int NewColor = 0;
  
  			for(int c = 0; c < 4; c++)
  			{
  				int v = (pProps[i].m_Value >> s_aShift[c])&0xff;
  				NewColor |= UiDoValueSelector(((char *)&pIDs[i])+c, &Shifter, s_paTexts[c], v, 0, 255, 1, 1.0f, "Use left mouse button to drag and change the color value. Hold shift to be more precise.")<<s_aShift[c];
  
  				if(c != 3)
  				{
  					pToolBox->HSplitTop(13.0f, &Slot, pToolBox);
  					Slot.VSplitMid(0, &Shifter);
  					Shifter.HMargin(1.0f, &Shifter);
  				}
  			}
  
  			if(NewColor != pProps[i].m_Value)
  			{
  				*pNewVal = NewColor;
  				Change = i;
  			}
  		}
  		else if(pProps[i].m_Type == PROPTYPE_IMAGE)
  		{
  			char aBuf[64];
  			if(pProps[i].m_Value < 0)
  				str_copy(aBuf, "None", sizeof(aBuf));
  			else
  				str_format(aBuf, sizeof(aBuf),"%s",  m_Map.m_lImages[pProps[i].m_Value]->m_aName);
  
  			if(DoButton_Editor(&pIDs[i], aBuf, 0, &Shifter, 0, 0))
  				PopupSelectImageInvoke(pProps[i].m_Value, UI()->MouseX(), UI()->MouseY());
  
  			int r = PopupSelectImageResult();
  			if(r >= -1)
  			{
  				*pNewVal = r;
  				Change = i;
  			}
  		}
  		else if(pProps[i].m_Type == PROPTYPE_SHIFT)
  		{
  			CUIRect Left, Right, Up, Down;
  			Shifter.VSplitMid(&Left, &Up);
  			Left.VSplitRight(1.0f, &Left, 0);
  			Up.VSplitLeft(1.0f, 0, &Up);
  			Left.VSplitLeft(10.0f, &Left, &Shifter);
  			Shifter.VSplitRight(10.0f, &Shifter, &Right);
  			RenderTools()->DrawUIRect(&Shifter, vec4(1,1,1,0.5f), 0, 0.0f);
  			UI()->DoLabel(&Shifter, "X", 10.0f, 0, -1);
  			Up.VSplitLeft(10.0f, &Up, &Shifter);
  			Shifter.VSplitRight(10.0f, &Shifter, &Down);
  			RenderTools()->DrawUIRect(&Shifter, vec4(1,1,1,0.5f), 0, 0.0f);
  			UI()->DoLabel(&Shifter, "Y", 10.0f, 0, -1);
  			if(DoButton_ButtonDec(&pIDs[i], "-", 0, &Left, 0, "Left"))
  			{
  				*pNewVal = 1;
  				Change = i;
  			}
  			if(DoButton_ButtonInc(((char *)&pIDs[i])+3, "+", 0, &Right, 0, "Right"))
  			{
  				*pNewVal = 2;
  				Change = i;
  			}
  			if(DoButton_ButtonDec(((char *)&pIDs[i])+1, "-", 0, &Up, 0, "Up"))
  			{
  				*pNewVal = 4;
  				Change = i;
  			}
  			if(DoButton_ButtonInc(((char *)&pIDs[i])+2, "+", 0, &Down, 0, "Down"))
  			{
  				*pNewVal = 8;
  				Change = i;
  			}
  		}
  	}
  
  	return Change;
  }
  
  void CEditor::RenderLayers(CUIRect ToolBox, CUIRect ToolBar, CUIRect View)
  {
  	CUIRect LayersBox = ToolBox;
  
  	if(!m_GuiActive)
  		return;
  
  	CUIRect Slot, Button;
  	char aBuf[64];
  
  	int ValidGroup = 0;
  	int ValidLayer = 0;
  	if(m_SelectedGroup >= 0 && m_SelectedGroup < m_Map.m_lGroups.size())
  		ValidGroup = 1;
  
  	if(ValidGroup && m_SelectedLayer >= 0 && m_SelectedLayer < m_Map.m_lGroups[m_SelectedGroup]->m_lLayers.size())
  		ValidLayer = 1;
  
  	float LayersHeight = 12.0f;	 // Height of AddGroup button
  	static int s_ScrollBar = 0;
  	static float s_ScrollValue = 0;
  
  	for(int g = 0; g < m_Map.m_lGroups.size(); g++)
  		// Each group is 19.0f
  		// Each layer is 14.0f
  		LayersHeight += 19.0f + m_Map.m_lGroups[g]->m_lLayers.size() * 14.0f;
  
  	float ScrollDifference = LayersHeight - LayersBox.h;
  
  	if(LayersHeight > LayersBox.h)	// Do we even need a scrollbar?
  	{
  		CUIRect Scroll;
  		LayersBox.VSplitRight(15.0f, &LayersBox, &Scroll);
  		LayersBox.VSplitRight(3.0f, &LayersBox, 0);	// extra spacing
  		Scroll.HMargin(5.0f, &Scroll);
  		s_ScrollValue = UiDoScrollbarV(&s_ScrollBar, &Scroll, s_ScrollValue);
  	}
  
  	float LayerStartAt = ScrollDifference * s_ScrollValue;
  	if(LayerStartAt < 0.0f)
  		LayerStartAt = 0.0f;
  
  	float LayerStopAt = LayersHeight - ScrollDifference * (1 - s_ScrollValue);
  	float LayerCur = 0;
  
  	// render layers
  	{
  		for(int g = 0; g < m_Map.m_lGroups.size(); g++)
  		{
  			if(LayerCur > LayerStopAt)
  				break;
  			else if(LayerCur + m_Map.m_lGroups[g]->m_lLayers.size() * 14.0f + 19.0f < LayerStartAt)
  			{
  				LayerCur += m_Map.m_lGroups[g]->m_lLayers.size() * 14.0f + 19.0f;
  				continue;
  			}
  
  			CUIRect VisibleToggle, SaveCheck;
  			if(LayerCur >= LayerStartAt)
  			{
  				LayersBox.HSplitTop(12.0f, &Slot, &LayersBox);
  				Slot.VSplitLeft(12, &VisibleToggle, &Slot);
  				if(DoButton_Ex(&m_Map.m_lGroups[g]->m_Visible, m_Map.m_lGroups[g]->m_Visible?"V":"H", 0, &VisibleToggle, 0, "Toggle group visibility", CUI::CORNER_L))
  					m_Map.m_lGroups[g]->m_Visible = !m_Map.m_lGroups[g]->m_Visible;
  
  				Slot.VSplitRight(12.0f, &Slot, &SaveCheck);
  				if(DoButton_Ex(&m_Map.m_lGroups[g]->m_SaveToMap, "S", m_Map.m_lGroups[g]->m_SaveToMap, &SaveCheck, 0, "Enable/disable group for saving", CUI::CORNER_R))
  					if(!m_Map.m_lGroups[g]->m_GameGroup)
  						m_Map.m_lGroups[g]->m_SaveToMap = !m_Map.m_lGroups[g]->m_SaveToMap;
  
  				str_format(aBuf, sizeof(aBuf),"#%d %s", g, m_Map.m_lGroups[g]->m_pName);
  				if(int Result = DoButton_Ex(&m_Map.m_lGroups[g], aBuf, g==m_SelectedGroup, &Slot,
  					BUTTON_CONTEXT, "Select group. Right click for properties.", 0))
  				{
  					m_SelectedGroup = g;
  					m_SelectedLayer = 0;
  
  					static int s_GroupPopupId = 0;
  					if(Result == 2)
  						UiInvokePopupMenu(&s_GroupPopupId, 0, UI()->MouseX(), UI()->MouseY(), 120, 200, PopupGroup);
  				}
  				LayersBox.HSplitTop(2.0f, &Slot, &LayersBox);
  			}
  			LayerCur += 14.0f;
  
  			for(int i = 0; i < m_Map.m_lGroups[g]->m_lLayers.size(); i++)
  			{
  				if(LayerCur > LayerStopAt)
  					break;
  				else if(LayerCur < LayerStartAt)
  				{
  					LayerCur += 14.0f;
  					continue;
  				}
  
  				//visible
  				LayersBox.HSplitTop(12.0f, &Slot, &LayersBox);
  				Slot.VSplitLeft(12.0f, 0, &Button);
  				Button.VSplitLeft(15, &VisibleToggle, &Button);
  
  				if(DoButton_Ex(&m_Map.m_lGroups[g]->m_lLayers[i]->m_Visible, m_Map.m_lGroups[g]->m_lLayers[i]->m_Visible?"V":"H", 0, &VisibleToggle, 0, "Toggle layer visibility", CUI::CORNER_L))
  					m_Map.m_lGroups[g]->m_lLayers[i]->m_Visible = !m_Map.m_lGroups[g]->m_lLayers[i]->m_Visible;
  
  				Button.VSplitRight(12.0f, &Button, &SaveCheck);
  				if(DoButton_Ex(&m_Map.m_lGroups[g]->m_lLayers[i]->m_SaveToMap, "S", m_Map.m_lGroups[g]->m_lLayers[i]->m_SaveToMap, &SaveCheck, 0, "Enable/disable layer for saving", CUI::CORNER_R))
  					if(m_Map.m_lGroups[g]->m_lLayers[i] != m_Map.m_pGameLayer)
  						m_Map.m_lGroups[g]->m_lLayers[i]->m_SaveToMap = !m_Map.m_lGroups[g]->m_lLayers[i]->m_SaveToMap;
  
  				str_format(aBuf, sizeof(aBuf),"#%d %s ", i, m_Map.m_lGroups[g]->m_lLayers[i]->m_pTypeName);
  				if(int Result = DoButton_Ex(m_Map.m_lGroups[g]->m_lLayers[i], aBuf, g==m_SelectedGroup&&i==m_SelectedLayer, &Button,
  					BUTTON_CONTEXT, "Select layer. Right click for properties.", 0))
  				{
  					m_SelectedLayer = i;
  					m_SelectedGroup = g;
  					static int s_LayerPopupID = 0;
  					if(Result == 2)
  						UiInvokePopupMenu(&s_LayerPopupID, 0, UI()->MouseX(), UI()->MouseY(), 120, 220, PopupLayer);
  				}
  
  				LayerCur += 14.0f;
  				LayersBox.HSplitTop(2.0f, &Slot, &LayersBox);
  			}
  			if(LayerCur > LayerStartAt && LayerCur < LayerStopAt)
  				LayersBox.HSplitTop(5.0f, &Slot, &LayersBox);
  			LayerCur += 5.0f;
  		}
  	}
  
  	if(LayerCur <= LayerStopAt)
  	{
  		LayersBox.HSplitTop(12.0f, &Slot, &LayersBox);
  
  		static int s_NewGroupButton = 0;
  		if(DoButton_Editor(&s_NewGroupButton, "Add group", 0, &Slot, 0, "Adds a new group"))
  		{
  			m_Map.NewGroup();
  			m_SelectedGroup = m_Map.m_lGroups.size()-1;
  		}
  	}
  }
  
  void CEditor::ReplaceImage(const char *pFileName, int StorageType, void *pUser)
  {
  	CEditor *pEditor = (CEditor *)pUser;
  	CEditorImage ImgInfo(pEditor);
  	if(!pEditor->Graphics()->LoadPNG(&ImgInfo, pFileName, StorageType))
  		return;
  
  	CEditorImage *pImg = pEditor->m_Map.m_lImages[pEditor->m_SelectedImage];
  	int External = pImg->m_External;
  	pEditor->Graphics()->UnloadTexture(pImg->m_TexID);
  	*pImg = ImgInfo;
  	pImg->m_External = External;
  	pEditor->ExtractName(pFileName, pImg->m_aName, sizeof(pImg->m_aName));
  	pImg->m_TexID = pEditor->Graphics()->LoadTextureRaw(ImgInfo.m_Width, ImgInfo.m_Height, ImgInfo.m_Format, ImgInfo.m_pData, CImageInfo::FORMAT_AUTO, 0);
  	pEditor->SortImages();
  	for(int i = 0; i < pEditor->m_Map.m_lImages.size(); ++i)
  	{
  	    if(!str_comp(pEditor->m_Map.m_lImages[i]->m_aName, pImg->m_aName))
             pEditor->m_SelectedImage = i;
  	}
  	pEditor->m_Dialog = DIALOG_NONE;
  }
  
  void CEditor::AddImage(const char *pFileName, int StorageType, void *pUser)
  {
  	CEditor *pEditor = (CEditor *)pUser;
  	CEditorImage ImgInfo(pEditor);
  	if(!pEditor->Graphics()->LoadPNG(&ImgInfo, pFileName, StorageType))
  		return;
  
  	// check if we have that image already
  	char aBuf[128];
  	ExtractName(pFileName, aBuf, sizeof(aBuf));
  	for(int i = 0; i < pEditor->m_Map.m_lImages.size(); ++i)
  	{
  	    if(!str_comp(pEditor->m_Map.m_lImages[i]->m_aName, aBuf))
              return;
  	}
  
  	CEditorImage *pImg = new CEditorImage(pEditor);
  	*pImg = ImgInfo;
  	pImg->m_TexID = pEditor->Graphics()->LoadTextureRaw(ImgInfo.m_Width, ImgInfo.m_Height, ImgInfo.m_Format, ImgInfo.m_pData, CImageInfo::FORMAT_AUTO, 0);
  	pImg->m_External = 1;	// external by default
  	str_copy(pImg->m_aName, aBuf, sizeof(pImg->m_aName));
  	pEditor->m_Map.m_lImages.add(pImg);
  	pEditor->SortImages();
  	if(pEditor->m_SelectedImage > -1 && pEditor->m_SelectedImage < pEditor->m_Map.m_lImages.size())
  	{
  		for(int i = 0; i <= pEditor->m_SelectedImage; ++i)
  			if(!str_comp(pEditor->m_Map.m_lImages[i]->m_aName, aBuf))
  			{
  				pEditor->m_SelectedImage++;
  				break;
  			}
  	}
  	pEditor->m_Dialog = DIALOG_NONE;
  }
  
  
  static int gs_ModifyIndexDeletedIndex;
  static void ModifyIndexDeleted(int *pIndex)
  {
  	if(*pIndex == gs_ModifyIndexDeletedIndex)
  		*pIndex = -1;
  	else if(*pIndex > gs_ModifyIndexDeletedIndex)
  		*pIndex = *pIndex - 1;
  }
  
  int CEditor::PopupImage(CEditor *pEditor, CUIRect View)
  {
  	static int s_ReplaceButton = 0;
  	static int s_RemoveButton = 0;
  
  	CUIRect Slot;
  	View.HSplitTop(2.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	CEditorImage *pImg = pEditor->m_Map.m_lImages[pEditor->m_SelectedImage];
  
  	static int s_ExternalButton = 0;
  	if(pImg->m_External)
  	{
  		if(pEditor->DoButton_MenuItem(&s_ExternalButton, "Embed", 0, &Slot, 0, "Embeds the image into the map file."))
  		{
  			pImg->m_External = 0;
  			return 1;
  		}
  	}
  	else
  	{
  		if(pEditor->DoButton_MenuItem(&s_ExternalButton, "Make external", 0, &Slot, 0, "Removes the image from the map file."))
  		{
  			pImg->m_External = 1;
  			return 1;
  		}
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_ReplaceButton, "Replace", 0, &Slot, 0, "Replaces the image with a new one"))
  	{
  		pEditor->InvokeFileDialog(IStorage::TYPE_ALL, FILETYPE_IMG, "Replace Image", "Replace", "mapres", "", ReplaceImage, pEditor);
  		return 1;
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_RemoveButton, "Remove", 0, &Slot, 0, "Removes the image from the map"))
  	{
  		delete pImg;
  		pEditor->m_Map.m_lImages.remove_index(pEditor->m_SelectedImage);
  		gs_ModifyIndexDeletedIndex = pEditor->m_SelectedImage;
  		pEditor->m_Map.ModifyImageIndex(ModifyIndexDeleted);
  		return 1;
  	}
  
  	return 0;
  }
  
  static int CompareImageName(const void *pObject1, const void *pObject2)
  {
  	CEditorImage *pImage1 = *(CEditorImage**)pObject1;
  	CEditorImage *pImage2 = *(CEditorImage**)pObject2;
  
  	return str_comp(pImage1->m_aName, pImage2->m_aName);
  }
  
  static int *gs_pSortedIndex = 0;
  static void ModifySortedIndex(int *pIndex)
  {
  	if(*pIndex > -1)
  		*pIndex = gs_pSortedIndex[*pIndex];
  }
  
  void CEditor::SortImages()
  {
  	bool Sorted = true;
  	for(int i = 1; i < m_Map.m_lImages.size(); i++)
  		if( str_comp(m_Map.m_lImages[i]->m_aName, m_Map.m_lImages[i-1]->m_aName) < 0 )
  		{
  			Sorted = false;
  			break;
  		}
  
  	if(!Sorted)
  	{
  		array<CEditorImage*> lTemp = array<CEditorImage*>(m_Map.m_lImages);
  		gs_pSortedIndex = new int[lTemp.size()];
  
  		qsort(m_Map.m_lImages.base_ptr(), m_Map.m_lImages.size(), sizeof(CEditorImage*), CompareImageName);
  
  		for(int OldIndex = 0; OldIndex < lTemp.size(); OldIndex++)
  			for(int NewIndex = 0; NewIndex < m_Map.m_lImages.size(); NewIndex++)
  				if(lTemp[OldIndex] == m_Map.m_lImages[NewIndex])
  					gs_pSortedIndex[OldIndex] = NewIndex;
  
  		m_Map.ModifyImageIndex(ModifySortedIndex);
  
  		delete [] gs_pSortedIndex;
  		gs_pSortedIndex = 0;
  	}
  }
  	
  
  void CEditor::RenderImages(CUIRect ToolBox, CUIRect ToolBar, CUIRect View)
  {
  	static int s_ScrollBar = 0;
  	static float s_ScrollValue = 0;
  	float ImagesHeight = 30.0f + 14.0f * m_Map.m_lImages.size() + 27.0f;
  	float ScrollDifference = ImagesHeight - ToolBox.h;
  
  	if(ImagesHeight > ToolBox.h)	// Do we even need a scrollbar?
  	{
  		CUIRect Scroll;
  		ToolBox.VSplitRight(15.0f, &ToolBox, &Scroll);
  		ToolBox.VSplitRight(3.0f, &ToolBox, 0);	// extra spacing
  		Scroll.HMargin(5.0f, &Scroll);
  		s_ScrollValue = UiDoScrollbarV(&s_ScrollBar, &Scroll, s_ScrollValue);
  	}
  
  	float ImageStartAt = ScrollDifference * s_ScrollValue;
  	if(ImageStartAt < 0.0f)
  		ImageStartAt = 0.0f;
  
  	float ImageStopAt = ImagesHeight - ScrollDifference * (1 - s_ScrollValue);
  	float ImageCur = 0.0f;
  
  	for(int e = 0; e < 2; e++) // two passes, first embedded, then external
  	{
  		CUIRect Slot;
  
  		if(ImageCur > ImageStopAt)
  			break;
  		else if(ImageCur >= ImageStartAt)
  		{
  
  			ToolBox.HSplitTop(15.0f, &Slot, &ToolBox);
  			if(e == 0)
  				UI()->DoLabel(&Slot, "Embedded", 12.0f, 0);
  			else
  				UI()->DoLabel(&Slot, "External", 12.0f, 0);
  		}
  		ImageCur += 15.0f;
  
  		for(int i = 0; i < m_Map.m_lImages.size(); i++)
  		{
  			if((e && !m_Map.m_lImages[i]->m_External) ||
  				(!e && m_Map.m_lImages[i]->m_External))
  			{
  				continue;
  			}
  
  			if(ImageCur > ImageStopAt)
  				break;
  			else if(ImageCur < ImageStartAt)
  			{
  				ImageCur += 14.0f;
  				continue;
  			}
  			ImageCur += 14.0f;
  
  			char aBuf[128];
  			str_copy(aBuf, m_Map.m_lImages[i]->m_aName, sizeof(aBuf));
  			ToolBox.HSplitTop(12.0f, &Slot, &ToolBox);
  
  			if(int Result = DoButton_Editor(&m_Map.m_lImages[i], aBuf, m_SelectedImage == i, &Slot,
  				BUTTON_CONTEXT, "Select image"))
  			{
  				m_SelectedImage = i;
  
  				static int s_PopupImageID = 0;
  				if(Result == 2)
  					UiInvokePopupMenu(&s_PopupImageID, 0, UI()->MouseX(), UI()->MouseY(), 120, 80, PopupImage);
  			}
  
  			ToolBox.HSplitTop(2.0f, 0, &ToolBox);
  
  			// render image
  			if(m_SelectedImage == i)
  			{
  				CUIRect r;
  				View.Margin(10.0f, &r);
  				if(r.h < r.w)
  					r.w = r.h;
  				else
  					r.h = r.w;
  				Graphics()->TextureSet(m_Map.m_lImages[i]->m_TexID);
  				Graphics()->BlendNormal();
  				Graphics()->QuadsBegin();
  				IGraphics::CQuadItem QuadItem(r.x, r.y, r.w, r.h);
  				Graphics()->QuadsDrawTL(&QuadItem, 1);
  				Graphics()->QuadsEnd();
  
  			}
  		}
  	}
  
  	if(ImageCur + 27.0f > ImageStopAt)
  		return;
  
  	CUIRect Slot;
  	ToolBox.HSplitTop(5.0f, &Slot, &ToolBox);
  
  	// new image
  	static int s_NewImageButton = 0;
  	ToolBox.HSplitTop(10.0f, &Slot, &ToolBox);
  	ToolBox.HSplitTop(12.0f, &Slot, &ToolBox);
  	if(DoButton_Editor(&s_NewImageButton, "Add", 0, &Slot, 0, "Load a new image to use in the map"))
  		InvokeFileDialog(IStorage::TYPE_ALL, FILETYPE_IMG, "Add Image", "Add", "mapres", "", AddImage, this);
  }
  
  
  static int EditorListdirCallback(const char *pName, int IsDir, int StorageType, void *pUser)
  {
  	CEditor *pEditor = (CEditor*)pUser;
  	int Length = str_length(pName);
  	if((pName[0] == '.' && (pName[1] == 0 ||
  		(pName[1] == '.' && pName[2] == 0 && (!str_comp(pEditor->m_pFileDialogPath, "maps") || !str_comp(pEditor->m_pFileDialogPath, "mapres"))))) ||
  		(!IsDir && ((pEditor->m_FileDialogFileType == CEditor::FILETYPE_MAP && (Length < 4 || str_comp(pName+Length-4, ".map"))) ||
  		(pEditor->m_FileDialogFileType == CEditor::FILETYPE_IMG && (Length < 4 || str_comp(pName+Length-4, ".png"))))))
  		return 0;
  
  	CEditor::CFilelistItem Item;
  	str_copy(Item.m_aFilename, pName, sizeof(Item.m_aFilename));
  	if(IsDir)
  		str_format(Item.m_aName, sizeof(Item.m_aName), "%s/", pName);
  	else
  		str_copy(Item.m_aName, pName, min(static_cast<int>(sizeof(Item.m_aName)), Length-3));
  	Item.m_IsDir = IsDir != 0;
  	Item.m_IsLink = false;
  	Item.m_StorageType = StorageType;
  	pEditor->m_FileList.add(Item);
  
  	return 0;
  }
  
  void CEditor::AddFileDialogEntry(int Index, CUIRect *pView)
  {
  	m_FilesCur++;
  	if(m_FilesCur-1 < m_FilesStartAt || m_FilesCur >= m_FilesStopAt)
  		return;
  
  	CUIRect Button, FileIcon;
  	pView->HSplitTop(15.0f, &Button, pView);
  	pView->HSplitTop(2.0f, 0, pView);
  	Button.VSplitLeft(Button.h, &FileIcon, &Button);
  	Button.VSplitLeft(5.0f, 0, &Button);
  
  	Graphics()->TextureSet(g_pData->m_aImages[IMAGE_FILEICONS].m_Id);
  	Graphics()->QuadsBegin();
  	RenderTools()->SelectSprite(m_FileList[Index].m_IsDir?SPRITE_FILE_FOLDER:SPRITE_FILE_MAP2);
  	IGraphics::CQuadItem QuadItem(FileIcon.x, FileIcon.y, FileIcon.w, FileIcon.h);
  	Graphics()->QuadsDrawTL(&QuadItem, 1);
  	Graphics()->QuadsEnd();
  
  	if(DoButton_File((void*)(10+(int)Button.y), m_FileList[Index].m_aName, m_FilesSelectedIndex == Index, &Button, 0, 0))
  	{
  		if(!m_FileList[Index].m_IsDir)
  			str_copy(m_aFileDialogFileName, m_FileList[Index].m_aFilename, sizeof(m_aFileDialogFileName));
  		else
  			m_aFileDialogFileName[0] = 0;
  		m_FilesSelectedIndex = Index;
  
  		if(Input()->MouseDoubleClick())
  			m_aFileDialogActivate = true;
  	}
  }
  
  void CEditor::RenderFileDialog()
  {
  	// GUI coordsys
  	Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  	CUIRect View = *UI()->Screen();
  	float Width = View.w, Height = View.h;
  
  	RenderTools()->DrawUIRect(&View, vec4(0,0,0,0.25f), 0, 0);
  	View.VMargin(150.0f, &View);
  	View.HMargin(50.0f, &View);
  	RenderTools()->DrawUIRect(&View, vec4(0,0,0,0.75f), CUI::CORNER_ALL, 5.0f);
  	View.Margin(10.0f, &View);
  
  	CUIRect Title, FileBox, FileBoxLabel, ButtonBar, Scroll;
  	View.HSplitTop(18.0f, &Title, &View);
  	View.HSplitTop(5.0f, 0, &View); // some spacing
  	View.HSplitBottom(14.0f, &View, &ButtonBar);
  	View.HSplitBottom(10.0f, &View, 0); // some spacing
  	View.HSplitBottom(14.0f, &View, &FileBox);
  	FileBox.VSplitLeft(55.0f, &FileBoxLabel, &FileBox);
  	View.HSplitBottom(10.0f, &View, 0); // some spacing
  	View.VSplitRight(15.0f, &View, &Scroll);
  
  	// title
  	RenderTools()->DrawUIRect(&Title, vec4(1, 1, 1, 0.25f), CUI::CORNER_ALL, 4.0f);
  	Title.VMargin(10.0f, &Title);
  	UI()->DoLabel(&Title, m_pFileDialogTitle, 12.0f, -1, -1);
  
  	// filebox
  	if(m_FileDialogStorageType == IStorage::TYPE_SAVE)
  	{
  		static int s_FileBoxID = 0;
  		UI()->DoLabel(&FileBoxLabel, "Filename:", 10.0f, -1, -1);
  		if(DoEditBox(&s_FileBoxID, &FileBox, m_aFileDialogFileName, sizeof(m_aFileDialogFileName), 10.0f))
  		{
  			// remove '/' and '\'
  			for(int i = 0; m_aFileDialogFileName[i]; ++i)
  				if(m_aFileDialogFileName[i] == '/' || m_aFileDialogFileName[i] == '\\')
  					str_copy(&m_aFileDialogFileName[i], &m_aFileDialogFileName[i+1], (int)(sizeof(m_aFileDialogFileName))-i);
  			m_FilesSelectedIndex = -1;
  		}
  	}
  
  	int Num = (int)(View.h/17.0f)+1;
  	static int ScrollBar = 0;
  	Scroll.HMargin(5.0f, &Scroll);
  	m_FileDialogScrollValue = UiDoScrollbarV(&ScrollBar, &Scroll, m_FileDialogScrollValue);
  
  	int ScrollNum = m_FileList.size()-Num+1;
  	if(ScrollNum > 0)
  	{
  		if(Input()->KeyPresses(KEY_MOUSE_WHEEL_UP))
  			m_FileDialogScrollValue -= 3.0f/ScrollNum;
  		if(Input()->KeyPresses(KEY_MOUSE_WHEEL_DOWN))
  			m_FileDialogScrollValue += 3.0f/ScrollNum;
  	}
  	else
  		ScrollNum = 0;
  
  	if(m_FilesSelectedIndex > -1)
  	{
  		for(int i = 0; i < Input()->NumEvents(); i++)
  		{
  			int NewIndex = -1;
  			if(Input()->GetEvent(i).m_Flags&IInput::FLAG_PRESS)
  			{
  				if(Input()->GetEvent(i).m_Key == KEY_DOWN) NewIndex = m_FilesSelectedIndex + 1;
  				if(Input()->GetEvent(i).m_Key == KEY_UP) NewIndex = m_FilesSelectedIndex - 1;
  			}
  			if(NewIndex > -1 && NewIndex < m_FileList.size())
  			{
  				//scroll
  				float IndexY = View.y - m_FileDialogScrollValue*ScrollNum*17.0f + NewIndex*17.0f;
  				int Scroll = View.y > IndexY ? -1 : View.y+View.h < IndexY+17.0f ? 1 : 0;
  				if(Scroll)
  				{
  					if(Scroll < 0)
  						m_FileDialogScrollValue = ((float)(NewIndex)+0.5f)/ScrollNum;
  					else
  						m_FileDialogScrollValue = ((float)(NewIndex-Num)+2.5f)/ScrollNum;
  				}
  
  				if(!m_FileList[NewIndex].m_IsDir)
  					str_copy(m_aFileDialogFileName, m_FileList[NewIndex].m_aFilename, sizeof(m_aFileDialogFileName));
  				else
  					m_aFileDialogFileName[0] = 0;
  				m_FilesSelectedIndex = NewIndex;
  			}
  		}
  	}
  
  	for(int i = 0; i < Input()->NumEvents(); i++)
  	{
  		if(Input()->GetEvent(i).m_Flags&IInput::FLAG_PRESS)
  		{
  			if(Input()->GetEvent(i).m_Key == KEY_RETURN || Input()->GetEvent(i).m_Key == KEY_KP_ENTER)
  				m_aFileDialogActivate = true;
  		}
  	}
  
  	if(m_FileDialogScrollValue < 0) m_FileDialogScrollValue = 0;
  	if(m_FileDialogScrollValue > 1) m_FileDialogScrollValue = 1;
  
  	m_FilesStartAt = (int)(ScrollNum*m_FileDialogScrollValue);
  	if(m_FilesStartAt < 0)
  		m_FilesStartAt = 0;
  
  	m_FilesStopAt = m_FilesStartAt+Num;
  
  	m_FilesCur = 0;
  
  	// set clipping
  	UI()->ClipEnable(&View);
  
  	for(int i = 0; i < m_FileList.size(); i++)
  		AddFileDialogEntry(i, &View);
  
  	// disable clipping again
  	UI()->ClipDisable();
  
  	// the buttons
  	static int s_OkButton = 0;
  	static int s_CancelButton = 0;
  	static int s_NewFolderButton = 0;
  
  	CUIRect Button;
  	ButtonBar.VSplitRight(50.0f, &ButtonBar, &Button);
  	bool IsDir = m_FilesSelectedIndex >= 0 && m_FileList[m_FilesSelectedIndex].m_IsDir;
  	if(DoButton_Editor(&s_OkButton, IsDir ? "Open" : m_pFileDialogButtonText, 0, &Button, 0, 0) || m_aFileDialogActivate)
  	{
  		m_aFileDialogActivate = false;
  		if(IsDir)	// folder
  		{
  			if(str_comp(m_FileList[m_FilesSelectedIndex].m_aFilename, "..") == 0)	// parent folder
  			{
  				if(fs_parent_dir(m_pFileDialogPath))
  					m_pFileDialogPath = m_aFileDialogCurrentFolder;	// leave the link
  			}
  			else	// sub folder
  			{
  				if(m_FileList[m_FilesSelectedIndex].m_IsLink)
  				{
  					m_pFileDialogPath = m_aFileDialogCurrentLink;	// follow the link
  					str_copy(m_aFileDialogCurrentLink, m_FileList[m_FilesSelectedIndex].m_aFilename, sizeof(m_aFileDialogCurrentLink));
  				}
  				else
  				{
  					char aTemp[MAX_PATH_LENGTH];
  					str_copy(aTemp, m_pFileDialogPath, sizeof(aTemp));
  					str_format(m_pFileDialogPath, MAX_PATH_LENGTH, "%s/%s", aTemp, m_FileList[m_FilesSelectedIndex].m_aFilename);
  				}
  			}
  			FilelistPopulate(!str_comp(m_pFileDialogPath, "maps") || !str_comp(m_pFileDialogPath, "mapres") ? m_FileDialogStorageType :
  				m_FileList[m_FilesSelectedIndex].m_StorageType);
  			if(m_FilesSelectedIndex >= 0 && !m_FileList[m_FilesSelectedIndex].m_IsDir)
  				str_copy(m_aFileDialogFileName, m_FileList[m_FilesSelectedIndex].m_aFilename, sizeof(m_aFileDialogFileName));
  			else
  				m_aFileDialogFileName[0] = 0;
  		}
  		else // file
  		{
  			str_format(m_aFileSaveName, sizeof(m_aFileSaveName), "%s/%s", m_pFileDialogPath, m_aFileDialogFileName);
  			if(!str_comp(m_pFileDialogButtonText, "Save"))
  			{
  				IOHANDLE File = Storage()->OpenFile(m_aFileSaveName, IOFLAG_READ, IStorage::TYPE_SAVE);
  				if(File)
  				{
  					io_close(File);
  					m_PopupEventType = POPEVENT_SAVE;
  					m_PopupEventActivated = true;
  				}
  				else
  					if(m_pfnFileDialogFunc)
  						m_pfnFileDialogFunc(m_aFileSaveName, m_FilesSelectedIndex >= 0 ? m_FileList[m_FilesSelectedIndex].m_StorageType : m_FileDialogStorageType, m_pFileDialogUser);
  			}
  			else
  				if(m_pfnFileDialogFunc)
  					m_pfnFileDialogFunc(m_aFileSaveName, m_FilesSelectedIndex >= 0 ? m_FileList[m_FilesSelectedIndex].m_StorageType : m_FileDialogStorageType, m_pFileDialogUser);
  		}
  	}
  
  	ButtonBar.VSplitRight(40.0f, &ButtonBar, &Button);
  	ButtonBar.VSplitRight(50.0f, &ButtonBar, &Button);
  	if(DoButton_Editor(&s_CancelButton, "Cancel", 0, &Button, 0, 0) || Input()->KeyPressed(KEY_ESCAPE))
  		m_Dialog = DIALOG_NONE;
  
  	if(m_FileDialogStorageType == IStorage::TYPE_SAVE)
  	{
  		ButtonBar.VSplitLeft(40.0f, 0, &ButtonBar);
  		ButtonBar.VSplitLeft(70.0f, &Button, &ButtonBar);
  		if(DoButton_Editor(&s_NewFolderButton, "New folder", 0, &Button, 0, 0))
  		{
  			m_FileDialogNewFolderName[0] = 0;
  			m_FileDialogErrString[0] = 0;
  			static int s_NewFolderPopupID = 0;
  			UiInvokePopupMenu(&s_NewFolderPopupID, 0, Width/2.0f-200.0f, Height/2.0f-100.0f, 400.0f, 200.0f, PopupNewFolder);
  			UI()->SetActiveItem(0);
  		}
  	}
  }
  
  void CEditor::FilelistPopulate(int StorageType)
  {
  	m_FileList.clear();
  	if(m_FileDialogStorageType != IStorage::TYPE_SAVE && !str_comp(m_pFileDialogPath, "maps"))
  	{
  		CFilelistItem Item;
  		str_copy(Item.m_aFilename, "downloadedmaps", sizeof(Item.m_aFilename));
  		str_copy(Item.m_aName, "downloadedmaps/", sizeof(Item.m_aName));
  		Item.m_IsDir = true;
  		Item.m_IsLink = true;
  		Item.m_StorageType = IStorage::TYPE_SAVE;
  		m_FileList.add(Item);
  	}
  	Storage()->ListDirectory(StorageType, m_pFileDialogPath, EditorListdirCallback, this);
  	m_FilesSelectedIndex = m_FileList.size() ? 0 : -1;
  	m_aFileDialogActivate = false;
  }
  
  void CEditor::InvokeFileDialog(int StorageType, int FileType, const char *pTitle, const char *pButtonText,
  	const char *pBasePath, const char *pDefaultName,
  	void (*pfnFunc)(const char *pFileName, int StorageType, void *pUser), void *pUser)
  {
  	m_FileDialogStorageType = StorageType;
  	m_pFileDialogTitle = pTitle;
  	m_pFileDialogButtonText = pButtonText;
  	m_pfnFileDialogFunc = pfnFunc;
  	m_pFileDialogUser = pUser;
  	m_aFileDialogFileName[0] = 0;
  	m_aFileDialogCurrentFolder[0] = 0;
  	m_aFileDialogCurrentLink[0] = 0;
  	m_pFileDialogPath = m_aFileDialogCurrentFolder;
  	m_FileDialogFileType = FileType;
  	m_FileDialogScrollValue = 0.0f;
  
  	if(pDefaultName)
  		str_copy(m_aFileDialogFileName, pDefaultName, sizeof(m_aFileDialogFileName));
  	if(pBasePath)
  		str_copy(m_aFileDialogCurrentFolder, pBasePath, sizeof(m_aFileDialogCurrentFolder));
  	
  	FilelistPopulate(m_FileDialogStorageType);
  
  	m_Dialog = DIALOG_FILE;
  }
  
  
  
  void CEditor::RenderModebar(CUIRect View)
  {
  	CUIRect Button;
  
  	// mode buttons
  	{
  		View.VSplitLeft(65.0f, &Button, &View);
  		Button.HSplitTop(30.0f, 0, &Button);
  		static int s_Button = 0;
  		const char *pButName = m_Mode == MODE_LAYERS ? "Layers" : "Images";
  		if(DoButton_Tab(&s_Button, pButName, 0, &Button, 0, "Switch between images and layers managment."))
  		{
  		    if(m_Mode == MODE_LAYERS)
                  m_Mode = MODE_IMAGES;
              else
                  m_Mode = MODE_LAYERS;
  		}
  	}
  
  	View.VSplitLeft(5.0f, 0, &View);
  }
  
  void CEditor::RenderStatusbar(CUIRect View)
  {
  	CUIRect Button;
  	View.VSplitRight(60.0f, &View, &Button);
  	static int s_EnvelopeButton = 0;
  	if(DoButton_Editor(&s_EnvelopeButton, "Envelopes", m_ShowEnvelopeEditor, &Button, 0, "Toggles the envelope editor."))
  		m_ShowEnvelopeEditor = (m_ShowEnvelopeEditor+1)%4;
  
  	if(m_pTooltip)
  	{
  		if(ms_pUiGotContext && ms_pUiGotContext == UI()->HotItem())
  		{
  			char aBuf[512];
  			str_format(aBuf, sizeof(aBuf), "%s Right click for context menu.", m_pTooltip);
  			UI()->DoLabel(&View, aBuf, 10.0f, -1, -1);
  		}
  		else
  			UI()->DoLabel(&View, m_pTooltip, 10.0f, -1, -1);
  	}
  }
  
  void CEditor::RenderEnvelopeEditor(CUIRect View)
  {
  	if(m_SelectedEnvelope < 0) m_SelectedEnvelope = 0;
  	if(m_SelectedEnvelope >= m_Map.m_lEnvelopes.size()) m_SelectedEnvelope = m_Map.m_lEnvelopes.size()-1;
  
  	CEnvelope *pEnvelope = 0;
  	if(m_SelectedEnvelope >= 0 && m_SelectedEnvelope < m_Map.m_lEnvelopes.size())
  		pEnvelope = m_Map.m_lEnvelopes[m_SelectedEnvelope];
  
  	CUIRect ToolBar, CurveBar, ColorBar;
  	View.HSplitTop(15.0f, &ToolBar, &View);
  	View.HSplitTop(15.0f, &CurveBar, &View);
  	ToolBar.Margin(2.0f, &ToolBar);
  	CurveBar.Margin(2.0f, &CurveBar);
  
  	// do the toolbar
  	{
  		CUIRect Button;
  		CEnvelope *pNewEnv = 0;
  
  		ToolBar.VSplitRight(50.0f, &ToolBar, &Button);
  		static int s_New4dButton = 0;
  		if(DoButton_Editor(&s_New4dButton, "Color+", 0, &Button, 0, "Creates a new color envelope"))
  		{
  			m_Map.m_Modified = true;
  			pNewEnv = m_Map.NewEnvelope(4);
  		}
  
  		ToolBar.VSplitRight(5.0f, &ToolBar, &Button);
  		ToolBar.VSplitRight(50.0f, &ToolBar, &Button);
  		static int s_New2dButton = 0;
  		if(DoButton_Editor(&s_New2dButton, "Pos.+", 0, &Button, 0, "Creates a new pos envelope"))
  		{
  			m_Map.m_Modified = true;
  			pNewEnv = m_Map.NewEnvelope(3);
  		}
  
  		// Delete button
  		if(m_SelectedEnvelope >= 0)
  		{
  			ToolBar.VSplitRight(10.0f, &ToolBar, &Button);
  			ToolBar.VSplitRight(50.0f, &ToolBar, &Button);
  			static int s_DelButton = 0;
  			if(DoButton_Editor(&s_DelButton, "Delete", 0, &Button, 0, "Delete this envelope"))
  			{
  				m_Map.m_Modified = true;
  				m_Map.DeleteEnvelope(m_SelectedEnvelope);
  				if(m_SelectedEnvelope >= m_Map.m_lEnvelopes.size())
  					m_SelectedEnvelope = m_Map.m_lEnvelopes.size()-1;
  				pEnvelope = m_SelectedEnvelope >= 0 ? m_Map.m_lEnvelopes[m_SelectedEnvelope] : 0;
  			}
  		}
  
  		if(pNewEnv) // add the default points
  		{
  			if(pNewEnv->m_Channels == 4)
  			{
  				pNewEnv->AddPoint(0, 1,1,1,1);
  				pNewEnv->AddPoint(1000, 1,1,1,1);
  			}
  			else
  			{
  				pNewEnv->AddPoint(0, 0);
  				pNewEnv->AddPoint(1000, 0);
  			}
  		}
  
  		CUIRect Shifter, Inc, Dec;
  		ToolBar.VSplitLeft(60.0f, &Shifter, &ToolBar);
  		Shifter.VSplitRight(15.0f, &Shifter, &Inc);
  		Shifter.VSplitLeft(15.0f, &Dec, &Shifter);
  		char aBuf[512];
  		str_format(aBuf, sizeof(aBuf),"%d/%d", m_SelectedEnvelope+1, m_Map.m_lEnvelopes.size());
  		RenderTools()->DrawUIRect(&Shifter, vec4(1,1,1,0.5f), 0, 0.0f);
  		UI()->DoLabel(&Shifter, aBuf, 10.0f, 0, -1);
  
  		static int s_PrevButton = 0;
  		if(DoButton_ButtonDec(&s_PrevButton, 0, 0, &Dec, 0, "Previous Envelope"))
  			m_SelectedEnvelope--;
  
  		static int s_NextButton = 0;
  		if(DoButton_ButtonInc(&s_NextButton, 0, 0, &Inc, 0, "Next Envelope"))
  			m_SelectedEnvelope++;
  
  		if(pEnvelope)
  		{
  			ToolBar.VSplitLeft(15.0f, &Button, &ToolBar);
  			ToolBar.VSplitLeft(35.0f, &Button, &ToolBar);
  			UI()->DoLabel(&Button, "Name:", 10.0f, -1, -1);
  
  			ToolBar.VSplitLeft(80.0f, &Button, &ToolBar);
  
  			static int s_NameBox = 0;
  			if(DoEditBox(&s_NameBox, &Button, pEnvelope->m_aName, sizeof(pEnvelope->m_aName), 10.0f))
  				m_Map.m_Modified = true;
  		}
  	}
  
  	bool ShowColorBar = false;
  	if(pEnvelope && pEnvelope->m_Channels == 4)
  	{
  		ShowColorBar = true;
  		View.HSplitTop(20.0f, &ColorBar, &View);
  		ColorBar.Margin(2.0f, &ColorBar);
  		RenderBackground(ColorBar, ms_CheckerTexture, 16.0f, 1.0f);
  	}
  
  	RenderBackground(View, ms_CheckerTexture, 32.0f, 0.1f);
  
  	if(pEnvelope)
  	{
  		static array<int> Selection;
  		static int sEnvelopeEditorID = 0;
  		static int s_ActiveChannels = 0xf;
  
  		if(pEnvelope)
  		{
  			CUIRect Button;
  
  			ToolBar.VSplitLeft(15.0f, &Button, &ToolBar);
  
  			static const char *s_paNames[2][4] = {
  				{"X", "Y", "R", ""},
  				{"R", "G", "B", "A"},
  			};
  
  			const char *paDescriptions[2][4] = {
  				{"X-axis of the envelope", "Y-axis of the envelope", "Rotation of the envelope", ""},
  				{"Red value of the envelope", "Green value of the envelope", "Blue value of the envelope", "Alpha value of the envelope"},
  			};
  
  			static int s_aChannelButtons[4] = {0};
  			int Bit = 1;
  			//ui_draw_button_func draw_func;
  
  			for(int i = 0; i < pEnvelope->m_Channels; i++, Bit<<=1)
  			{
  				ToolBar.VSplitLeft(15.0f, &Button, &ToolBar);
  
  				/*if(i == 0) draw_func = draw_editor_button_l;
  				else if(i == envelope->channels-1) draw_func = draw_editor_button_r;
  				else draw_func = draw_editor_button_m;*/
  
  				if(DoButton_Editor(&s_aChannelButtons[i], s_paNames[pEnvelope->m_Channels-3][i], s_ActiveChannels&Bit, &Button, 0, paDescriptions[pEnvelope->m_Channels-3][i]))
  					s_ActiveChannels ^= Bit;
  			}
  		}
  
  		float EndTime = pEnvelope->EndTime();
  		if(EndTime < 1)
  			EndTime = 1;
  
  		pEnvelope->FindTopBottom(s_ActiveChannels);
  		float Top = pEnvelope->m_Top;
  		float Bottom = pEnvelope->m_Bottom;
  
  		if(Top < 1)
  			Top = 1;
  		if(Bottom >= 0)
  			Bottom = 0;
  
  		float TimeScale = EndTime/View.w;
  		float ValueScale = (Top-Bottom)/View.h;
  
  		if(UI()->MouseInside(&View))
  			UI()->SetHotItem(&sEnvelopeEditorID);
  
  		if(UI()->HotItem() == &sEnvelopeEditorID)
  		{
  			// do stuff
  			if(pEnvelope)
  			{
  				if(UI()->MouseButtonClicked(1))
  				{
  					// add point
  					int Time = (int)(((UI()->MouseX()-View.x)*TimeScale)*1000.0f);
  					//float env_y = (UI()->MouseY()-view.y)/TimeScale;
  					float aChannels[4];
  					pEnvelope->Eval(Time, aChannels);
  					pEnvelope->AddPoint(Time,
  						f2fx(aChannels[0]), f2fx(aChannels[1]),
  						f2fx(aChannels[2]), f2fx(aChannels[3]));
  					m_Map.m_Modified = true;
  				}
  
  				m_pTooltip = "Press right mouse button to create a new point";
  			}
  		}
  
  		vec3 aColors[] = {vec3(1,0.2f,0.2f), vec3(0.2f,1,0.2f), vec3(0.2f,0.2f,1), vec3(1,1,0.2f)};
  
  		// render lines
  		{
  			UI()->ClipEnable(&View);
  			Graphics()->TextureSet(-1);
  			Graphics()->LinesBegin();
  			for(int c = 0; c < pEnvelope->m_Channels; c++)
  			{
  				if(s_ActiveChannels&(1<<c))
  					Graphics()->SetColor(aColors[c].r,aColors[c].g,aColors[c].b,1);
  				else
  					Graphics()->SetColor(aColors[c].r*0.5f,aColors[c].g*0.5f,aColors[c].b*0.5f,1);
  
  				float PrevX = 0;
  				float aResults[4];
  				pEnvelope->Eval(0.000001f, aResults);
  				float PrevValue = aResults[c];
  
  				int Steps = (int)((View.w/UI()->Screen()->w) * Graphics()->ScreenWidth());
  				for(int i = 1; i <= Steps; i++)
  				{
  					float a = i/(float)Steps;
  					pEnvelope->Eval(a*EndTime, aResults);
  					float v = aResults[c];
  					v = (v-Bottom)/(Top-Bottom);
  
  					IGraphics::CLineItem LineItem(View.x + PrevX*View.w, View.y+View.h - PrevValue*View.h, View.x + a*View.w, View.y+View.h - v*View.h);
  					Graphics()->LinesDraw(&LineItem, 1);
  					PrevX = a;
  					PrevValue = v;
  				}
  			}
  			Graphics()->LinesEnd();
  			UI()->ClipDisable();
  		}
  
  		// render curve options
  		{
  			for(int i = 0; i < pEnvelope->m_lPoints.size()-1; i++)
  			{
  				float t0 = pEnvelope->m_lPoints[i].m_Time/1000.0f/EndTime;
  				float t1 = pEnvelope->m_lPoints[i+1].m_Time/1000.0f/EndTime;
  
  				//dbg_msg("", "%f", end_time);
  
  				CUIRect v;
  				v.x = CurveBar.x + (t0+(t1-t0)*0.5f) * CurveBar.w;
  				v.y = CurveBar.y;
  				v.h = CurveBar.h;
  				v.w = CurveBar.h;
  				v.x -= v.w/2;
  				void *pID = &pEnvelope->m_lPoints[i].m_Curvetype;
  				const char *paTypeName[] = {
  					"N", "L", "S", "F", "M"
  					};
  
  				if(DoButton_Editor(pID, paTypeName[pEnvelope->m_lPoints[i].m_Curvetype], 0, &v, 0, "Switch curve type"))
  					pEnvelope->m_lPoints[i].m_Curvetype = (pEnvelope->m_lPoints[i].m_Curvetype+1)%NUM_CURVETYPES;
  			}
  		}
  
  		// render colorbar
  		if(ShowColorBar)
  		{
  			Graphics()->TextureSet(-1);
  			Graphics()->QuadsBegin();
  			for(int i = 0; i < pEnvelope->m_lPoints.size()-1; i++)
  			{
  				float r0 = fx2f(pEnvelope->m_lPoints[i].m_aValues[0]);
  				float g0 = fx2f(pEnvelope->m_lPoints[i].m_aValues[1]);
  				float b0 = fx2f(pEnvelope->m_lPoints[i].m_aValues[2]);
  				float a0 = fx2f(pEnvelope->m_lPoints[i].m_aValues[3]);
  				float r1 = fx2f(pEnvelope->m_lPoints[i+1].m_aValues[0]);
  				float g1 = fx2f(pEnvelope->m_lPoints[i+1].m_aValues[1]);
  				float b1 = fx2f(pEnvelope->m_lPoints[i+1].m_aValues[2]);
  				float a1 = fx2f(pEnvelope->m_lPoints[i+1].m_aValues[3]);
  
  				IGraphics::CColorVertex Array[4] = {IGraphics::CColorVertex(0, r0, g0, b0, a0),
  													IGraphics::CColorVertex(1, r1, g1, b1, a1),
  													IGraphics::CColorVertex(2, r1, g1, b1, a1),
  													IGraphics::CColorVertex(3, r0, g0, b0, a0)};
  				Graphics()->SetColorVertex(Array, 4);
  
  				float x0 = pEnvelope->m_lPoints[i].m_Time/1000.0f/EndTime;
  //				float y0 = (fx2f(envelope->points[i].values[c])-bottom)/(top-bottom);
  				float x1 = pEnvelope->m_lPoints[i+1].m_Time/1000.0f/EndTime;
  				//float y1 = (fx2f(envelope->points[i+1].values[c])-bottom)/(top-bottom);
  				CUIRect v;
  				v.x = ColorBar.x + x0*ColorBar.w;
  				v.y = ColorBar.y;
  				v.w = (x1-x0)*ColorBar.w;
  				v.h = ColorBar.h;
  
  				IGraphics::CQuadItem QuadItem(v.x, v.y, v.w, v.h);
  				Graphics()->QuadsDrawTL(&QuadItem, 1);
  			}
  			Graphics()->QuadsEnd();
  		}
  
  		// render handles
  		{
  			static bool s_Move = false;
  
  			int CurrentValue = 0, CurrentTime = 0;
  
  			Graphics()->TextureSet(-1);
  			Graphics()->QuadsBegin();
  			for(int c = 0; c < pEnvelope->m_Channels; c++)
  			{
  				if(!(s_ActiveChannels&(1<<c)))
  					continue;
  
  				for(int i = 0; i < pEnvelope->m_lPoints.size(); i++)
  				{
  					float x0 = pEnvelope->m_lPoints[i].m_Time/1000.0f/EndTime;
  					float y0 = (fx2f(pEnvelope->m_lPoints[i].m_aValues[c])-Bottom)/(Top-Bottom);
  					CUIRect Final;
  					Final.x = View.x + x0*View.w;
  					Final.y = View.y+View.h - y0*View.h;
  					Final.x -= 2.0f;
  					Final.y -= 2.0f;
  					Final.w = 4.0f;
  					Final.h = 4.0f;
  
  					void *pID = &pEnvelope->m_lPoints[i].m_aValues[c];
  
  					if(UI()->MouseInside(&Final))
  						UI()->SetHotItem(pID);
  
  					float ColorMod = 1.0f;
  
  					if(UI()->ActiveItem() == pID)
  					{
  						if(!UI()->MouseButton(0))
  						{
  							UI()->SetActiveItem(0);
  							s_Move = false;
  						}
  						else
  						{
  							if((Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL)))
  								pEnvelope->m_lPoints[i].m_aValues[c] -= f2fx(m_MouseDeltaY*0.001f);
  							else
  								pEnvelope->m_lPoints[i].m_aValues[c] -= f2fx(m_MouseDeltaY*ValueScale);
  							
  							if(Input()->KeyPressed(KEY_LSHIFT) || Input()->KeyPressed(KEY_RSHIFT))
  							{
  								if(i != 0)
  								{
  									if((Input()->KeyPressed(KEY_LCTRL) || Input()->KeyPressed(KEY_RCTRL)))
  										pEnvelope->m_lPoints[i].m_Time += (int)((m_MouseDeltaX));
  									else
  										pEnvelope->m_lPoints[i].m_Time += (int)((m_MouseDeltaX*TimeScale)*1000.0f);
  									if(pEnvelope->m_lPoints[i].m_Time < pEnvelope->m_lPoints[i-1].m_Time)
  										pEnvelope->m_lPoints[i].m_Time = pEnvelope->m_lPoints[i-1].m_Time + 1;
  									if(i+1 != pEnvelope->m_lPoints.size() && pEnvelope->m_lPoints[i].m_Time > pEnvelope->m_lPoints[i+1].m_Time)
  										pEnvelope->m_lPoints[i].m_Time = pEnvelope->m_lPoints[i+1].m_Time - 1;
  								}
  							}
  							m_Map.m_Modified = true;
  						}
  
  						ColorMod = 100.0f;
  						Graphics()->SetColor(1,1,1,1);
  					}
  					else if(UI()->HotItem() == pID)
  					{
  						if(UI()->MouseButton(0))
  						{
  							Selection.clear();
  							Selection.add(i);
  							UI()->SetActiveItem(pID);
  						}
  
  						// remove point
  						if(UI()->MouseButtonClicked(1))
  						{
  							pEnvelope->m_lPoints.remove_index(i);
  							m_Map.m_Modified = true;
  						}
  
  						ColorMod = 100.0f;
  						Graphics()->SetColor(1,0.75f,0.75f,1);
  						m_pTooltip = "Left mouse to drag. Hold ctrl to be more precise. Hold shift to alter time point aswell. Right click to delete.";
  					}
  
  					if(UI()->ActiveItem() == pID || UI()->HotItem() == pID)
  					{
  						CurrentTime = pEnvelope->m_lPoints[i].m_Time;
  						CurrentValue = pEnvelope->m_lPoints[i].m_aValues[c];
  					}
  
  					Graphics()->SetColor(aColors[c].r*ColorMod, aColors[c].g*ColorMod, aColors[c].b*ColorMod, 1.0f);
  					IGraphics::CQuadItem QuadItem(Final.x, Final.y, Final.w, Final.h);
  					Graphics()->QuadsDrawTL(&QuadItem, 1);
  				}
  			}
  			Graphics()->QuadsEnd();
  
  			char aBuf[512];
  			str_format(aBuf, sizeof(aBuf),"%.3f %.3f", CurrentTime/1000.0f, fx2f(CurrentValue));
  			UI()->DoLabel(&ToolBar, aBuf, 10.0f, 0, -1);
  		}
  	}
  }
  
  int CEditor::PopupMenuFile(CEditor *pEditor, CUIRect View)
  {
  	static int s_NewMapButton = 0;
  	static int s_SaveButton = 0;
  	static int s_SaveAsButton = 0;
  	static int s_OpenButton = 0;
  	static int s_AppendButton = 0;
  	static int s_ExitButton = 0;
  
  	CUIRect Slot;
  	View.HSplitTop(2.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_NewMapButton, "New", 0, &Slot, 0, "Creates a new map"))
  	{
  		if(pEditor->HasUnsavedData())
  		{
  			pEditor->m_PopupEventType = POPEVENT_NEW;
  			pEditor->m_PopupEventActivated = true;
  		}
  		else
  		{
  			pEditor->Reset();
  			pEditor->m_aFileName[0] = 0;
  		}
  		return 1;
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_OpenButton, "Load", 0, &Slot, 0, "Opens a map for editing"))
  	{
  		if(pEditor->HasUnsavedData())
  		{
  			pEditor->m_PopupEventType = POPEVENT_LOAD;
  			pEditor->m_PopupEventActivated = true;
  		}
  		else
  			pEditor->InvokeFileDialog(IStorage::TYPE_ALL, FILETYPE_MAP, "Load map", "Load", "maps", "", pEditor->CallbackOpenMap, pEditor);
  		return 1;
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_AppendButton, "Append", 0, &Slot, 0, "Opens a map and adds everything from that map to the current one"))
  	{
  		pEditor->InvokeFileDialog(IStorage::TYPE_ALL, FILETYPE_MAP, "Append map", "Append", "maps", "", pEditor->CallbackAppendMap, pEditor);
  		return 1;
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_SaveButton, "Save", 0, &Slot, 0, "Saves the current map"))
  	{
  		if(pEditor->m_aFileName[0] && pEditor->m_ValidSaveFilename)
  		{
  			str_copy(pEditor->m_aFileSaveName, pEditor->m_aFileName, sizeof(pEditor->m_aFileSaveName));
  			pEditor->m_PopupEventType = POPEVENT_SAVE;
  			pEditor->m_PopupEventActivated = true;
  		}
  		else
  			pEditor->InvokeFileDialog(IStorage::TYPE_SAVE, FILETYPE_MAP, "Save map", "Save", "maps", "", pEditor->CallbackSaveMap, pEditor);
  		return 1;
  	}
  
  	View.HSplitTop(2.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_SaveAsButton, "Save As", 0, &Slot, 0, "Saves the current map under a new name"))
  	{
  		pEditor->InvokeFileDialog(IStorage::TYPE_SAVE, FILETYPE_MAP, "Save map", "Save", "maps", "", pEditor->CallbackSaveMap, pEditor);
  		return 1;
  	}
  
  	View.HSplitTop(10.0f, &Slot, &View);
  	View.HSplitTop(12.0f, &Slot, &View);
  	if(pEditor->DoButton_MenuItem(&s_ExitButton, "Exit", 0, &Slot, 0, "Exits from the editor"))
  	{
  		if(pEditor->HasUnsavedData())
  		{
  			pEditor->m_PopupEventType = POPEVENT_EXIT;
  			pEditor->m_PopupEventActivated = true;
  		}
  		else
  			g_Config.m_ClEditor = 0;
  		return 1;
  	}
  
  	return 0;
  }
  
  void CEditor::RenderMenubar(CUIRect MenuBar)
  {
  	static CUIRect s_File /*, view, help*/;
  
  	MenuBar.VSplitLeft(60.0f, &s_File, &MenuBar);
  	if(DoButton_Menu(&s_File, "File", 0, &s_File, 0, 0))
  		UiInvokePopupMenu(&s_File, 1, s_File.x, s_File.y+s_File.h-1.0f, 120, 150, PopupMenuFile, this);
  
  	/*
  	menubar.VSplitLeft(5.0f, 0, &menubar);
  	menubar.VSplitLeft(60.0f, &view, &menubar);
  	if(do_editor_button(&view, "View", 0, &view, draw_editor_button_menu, 0, 0))
  		(void)0;
  
  	menubar.VSplitLeft(5.0f, 0, &menubar);
  	menubar.VSplitLeft(60.0f, &help, &menubar);
  	if(do_editor_button(&help, "Help", 0, &help, draw_editor_button_menu, 0, 0))
  		(void)0;
  		*/
  
  	MenuBar.VSplitLeft(40.0f, 0, &MenuBar);
  	char aBuf[128];
  	str_format(aBuf, sizeof(aBuf), "File: %s", m_aFileName);
  	UI()->DoLabel(&MenuBar, aBuf, 10.0f, -1, -1);
  }
  
  void CEditor::Render()
  {
  	// basic start
  	Graphics()->Clear(1.0f, 0.0f, 1.0f);
  	CUIRect View = *UI()->Screen();
  	Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  
  	float Width = View.w;
  	float Height = View.h;
  
  	// reset tip
  	m_pTooltip = 0;
  
  	// render checker
  	RenderBackground(View, ms_CheckerTexture, 32.0f, 1.0f);
  
  	CUIRect MenuBar, CModeBar, ToolBar, StatusBar, EnvelopeEditor, ToolBox;
  
  	if(m_GuiActive)
  	{
  
  		View.HSplitTop(16.0f, &MenuBar, &View);
  		View.HSplitTop(53.0f, &ToolBar, &View);
  		View.VSplitLeft(100.0f, &ToolBox, &View);
  		View.HSplitBottom(16.0f, &View, &StatusBar);
  
  		if(m_ShowEnvelopeEditor)
  		{
  			float size = 125.0f;
  			if(m_ShowEnvelopeEditor == 2)
  				size *= 2.0f;
  			else if(m_ShowEnvelopeEditor == 3)
  				size *= 3.0f;
  			View.HSplitBottom(size, &View, &EnvelopeEditor);
  		}
  	}
  
  	//	a little hack for now
  	if(m_Mode == MODE_LAYERS)
  		DoMapEditor(View, ToolBar);
  
  	if(m_GuiActive)
  	{
  		float Brightness = 0.25f;
  		RenderBackground(MenuBar, ms_BackgroundTexture, 128.0f, Brightness*0);
  		MenuBar.Margin(2.0f, &MenuBar);
  
  		RenderBackground(ToolBox, ms_BackgroundTexture, 128.0f, Brightness);
  		ToolBox.Margin(2.0f, &ToolBox);
  
  		RenderBackground(ToolBar, ms_BackgroundTexture, 128.0f, Brightness);
  		ToolBar.Margin(2.0f, &ToolBar);
  		ToolBar.VSplitLeft(100.0f, &CModeBar, &ToolBar);
  
  		RenderBackground(StatusBar, ms_BackgroundTexture, 128.0f, Brightness);
  		StatusBar.Margin(2.0f, &StatusBar);
  
  		// do the toolbar
  		if(m_Mode == MODE_LAYERS)
  			DoToolbar(ToolBar);
  
  		if(m_ShowEnvelopeEditor)
  		{
  			RenderBackground(EnvelopeEditor, ms_BackgroundTexture, 128.0f, Brightness);
  			EnvelopeEditor.Margin(2.0f, &EnvelopeEditor);
  		}
  	}
  
  
  	if(m_Mode == MODE_LAYERS)
  		RenderLayers(ToolBox, ToolBar, View);
  	else if(m_Mode == MODE_IMAGES)
  		RenderImages(ToolBox, ToolBar, View);
  
  	Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  
  	if(m_GuiActive)
  	{
  		RenderMenubar(MenuBar);
  
  		RenderModebar(CModeBar);
  		if(m_ShowEnvelopeEditor)
  			RenderEnvelopeEditor(EnvelopeEditor);
  	}
  
  	if(m_Dialog == DIALOG_FILE)
  	{
  		static int s_NullUiTarget = 0;
  		UI()->SetHotItem(&s_NullUiTarget);
  		RenderFileDialog();
  	}
  
  	if(m_PopupEventActivated)
  	{
  		static int s_PopupID = 0;
  		UiInvokePopupMenu(&s_PopupID, 0, Width/2.0f-200.0f, Height/2.0f-100.0f, 400.0f, 200.0f, PopupEvent);
  		m_PopupEventActivated = false;
  	}
  
  
  	UiDoPopupMenu();
  
  	if(m_GuiActive)
  		RenderStatusbar(StatusBar);
  
  	//
  	if(g_Config.m_EdShowkeys)
  	{
  		Graphics()->MapScreen(UI()->Screen()->x, UI()->Screen()->y, UI()->Screen()->w, UI()->Screen()->h);
  		CTextCursor Cursor;
  		TextRender()->SetCursor(&Cursor, View.x+10, View.y+View.h-24-10, 24.0f, TEXTFLAG_RENDER);
  
  		int NKeys = 0;
  		for(int i = 0; i < KEY_LAST; i++)
  		{
  			if(Input()->KeyPressed(i))
  			{
  				if(NKeys)
  					TextRender()->TextEx(&Cursor, " + ", -1);
  				TextRender()->TextEx(&Cursor, Input()->KeyName(i), -1);
  				NKeys++;
  			}
  		}
  	}
  
  	if(m_ShowMousePointer)
  	{
  		// render butt ugly mouse cursor
  		float mx = UI()->MouseX();
  		float my = UI()->MouseY();
  		Graphics()->TextureSet(ms_CursorTexture);
  		Graphics()->QuadsBegin();
  		if(ms_pUiGotContext == UI()->HotItem())
  			Graphics()->SetColor(1,0,0,1);
  		IGraphics::CQuadItem QuadItem(mx,my, 16.0f, 16.0f);
  		Graphics()->QuadsDrawTL(&QuadItem, 1);
  		Graphics()->QuadsEnd();
  	}
  
  }
  
  void CEditor::Reset(bool CreateDefault)
  {
  	m_Map.Clean();
  
  	// create default layers
  	if(CreateDefault)
  		m_Map.CreateDefault(ms_EntitiesTexture);
  
  	/*
  	{
  	}*/
  
  	m_SelectedLayer = 0;
  	m_SelectedGroup = 0;
  	m_SelectedQuad = -1;
  	m_SelectedPoints = 0;
  	m_SelectedEnvelope = 0;
  	m_SelectedImage = 0;
  	
  	m_WorldOffsetX = 0;
  	m_WorldOffsetY = 0;
  	m_EditorOffsetX = 0.0f;
  	m_EditorOffsetY = 0.0f;
  	
  	m_WorldZoom = 1.0f;
  	m_ZoomLevel = 200;
  
  	m_MouseDeltaX = 0;
  	m_MouseDeltaY = 0;
  	m_MouseDeltaWx = 0;
  	m_MouseDeltaWy = 0;
  
  	m_Map.m_Modified = false;
  }
  
  void CEditorMap::DeleteEnvelope(int Index)
  {
  	if(Index < 0 || Index >= m_lEnvelopes.size())
  		return;
  
  	m_Modified = true;
  
  	// fix links between envelopes and quads
  	for(int i = 0; i < m_lGroups.size(); ++i)
  		for(int j = 0; j < m_lGroups[i]->m_lLayers.size(); ++j)
  			if(m_lGroups[i]->m_lLayers[j]->m_Type == LAYERTYPE_QUADS)
  			{
  				CLayerQuads *Layer = static_cast<CLayerQuads *>(m_lGroups[i]->m_lLayers[j]);
  				for(int k = 0; k < Layer->m_lQuads.size(); ++k)
  				{
  					if(Layer->m_lQuads[k].m_PosEnv == Index)
  						Layer->m_lQuads[k].m_PosEnv = -1;
  					else if(Layer->m_lQuads[k].m_PosEnv > Index)
  						Layer->m_lQuads[k].m_PosEnv--;
  					if(Layer->m_lQuads[k].m_ColorEnv == Index)
  						Layer->m_lQuads[k].m_ColorEnv = -1;
  					else if(Layer->m_lQuads[k].m_ColorEnv > Index)
  						Layer->m_lQuads[k].m_ColorEnv--;
  				}
  			}
  
  	m_lEnvelopes.remove_index(Index);
  }
  
  void CEditorMap::MakeGameLayer(CLayer *pLayer)
  {
  	m_pGameLayer = (CLayerGame *)pLayer;
  	m_pGameLayer->m_pEditor = m_pEditor;
  	m_pGameLayer->m_TexID = m_pEditor->ms_EntitiesTexture;
  }
  
  void CEditorMap::MakeGameGroup(CLayerGroup *pGroup)
  {
  	m_pGameGroup = pGroup;
  	m_pGameGroup->m_GameGroup = true;
  	m_pGameGroup->m_pName = "Game";
  }
  
  
  
  void CEditorMap::Clean()
  {
  	m_lGroups.delete_all();
  	m_lEnvelopes.delete_all();
  	m_lImages.delete_all();
  
  	m_pGameLayer = 0x0;
  	m_pGameGroup = 0x0;
  
  	m_Modified = false;
  }
  
  void CEditorMap::CreateDefault(int EntitiesTexture)
  {
  	// add background
  	CLayerGroup *pGroup = NewGroup();
  	pGroup->m_ParallaxX = 0;
  	pGroup->m_ParallaxY = 0;
  	CLayerQuads *pLayer = new CLayerQuads;
  	pLayer->m_pEditor = m_pEditor;
  	CQuad *pQuad = pLayer->NewQuad();
  	const int Width = 800000;
  	const int Height = 600000;
  	pQuad->m_aPoints[0].x = pQuad->m_aPoints[2].x = -Width;
  	pQuad->m_aPoints[1].x = pQuad->m_aPoints[3].x = Width;
  	pQuad->m_aPoints[0].y = pQuad->m_aPoints[1].y = -Height;
  	pQuad->m_aPoints[2].y = pQuad->m_aPoints[3].y = Height;
  	pQuad->m_aColors[0].r = pQuad->m_aColors[1].r = 94;
  	pQuad->m_aColors[0].g = pQuad->m_aColors[1].g = 132;
  	pQuad->m_aColors[0].b = pQuad->m_aColors[1].b = 174;
  	pQuad->m_aColors[2].r = pQuad->m_aColors[3].r = 204;
  	pQuad->m_aColors[2].g = pQuad->m_aColors[3].g = 232;
  	pQuad->m_aColors[2].b = pQuad->m_aColors[3].b = 255;
  	pGroup->AddLayer(pLayer);
  
  	// add game layer
  	MakeGameGroup(NewGroup());
  	MakeGameLayer(new CLayerGame(50, 50));
  	m_pGameGroup->AddLayer(m_pGameLayer);
  }
  
  void CEditor::Init()
  {
  	m_pInput = Kernel()->RequestInterface<IInput>();
  	m_pClient = Kernel()->RequestInterface<IClient>();
  	m_pConsole = Kernel()->RequestInterface<IConsole>();
  	m_pGraphics = Kernel()->RequestInterface<IGraphics>();
  	m_pTextRender = Kernel()->RequestInterface<ITextRender>();
  	m_pStorage = Kernel()->RequestInterface<IStorage>();
  	m_RenderTools.m_pGraphics = m_pGraphics;
  	m_RenderTools.m_pUI = &m_UI;
  	m_UI.SetGraphics(m_pGraphics, m_pTextRender);
  	m_Map.m_pEditor = this;
  
  	ms_CheckerTexture = Graphics()->LoadTexture("editor/checker.png", IStorage::TYPE_ALL, CImageInfo::FORMAT_AUTO, 0);
  	ms_BackgroundTexture = Graphics()->LoadTexture("editor/background.png", IStorage::TYPE_ALL, CImageInfo::FORMAT_AUTO, 0);
  	ms_CursorTexture = Graphics()->LoadTexture("editor/cursor.png", IStorage::TYPE_ALL, CImageInfo::FORMAT_AUTO, 0);
  	ms_EntitiesTexture = Graphics()->LoadTexture("editor/entities.png", IStorage::TYPE_ALL, CImageInfo::FORMAT_AUTO, 0);
  
  	m_TilesetPicker.m_pEditor = this;
  	m_TilesetPicker.MakePalette();
  	m_TilesetPicker.m_Readonly = true;
  
  	m_Brush.m_pMap = &m_Map;
  
  	Reset();
  	m_Map.m_Modified = false;
  }
  
  void CEditor::DoMapBorder()
  {
      CLayerTiles *pT = (CLayerTiles *)GetSelectedLayerType(0, LAYERTYPE_TILES);
      
      for(int i = 0; i < pT->m_Width*2; ++i)
          pT->m_pTiles[i].m_Index = 1;
          
      for(int i = 0; i < pT->m_Width*pT->m_Height; ++i)
      {
          if(i%pT->m_Width < 2 || i%pT->m_Width > pT->m_Width-3)
              pT->m_pTiles[i].m_Index = 1;
      }
      
      for(int i = (pT->m_Width*(pT->m_Height-2)); i < pT->m_Width*pT->m_Height; ++i)
          pT->m_pTiles[i].m_Index = 1;
  }
  
  void CEditor::UpdateAndRender()
  {
  	static float s_MouseX = 0.0f;
  	static float s_MouseY = 0.0f;
  
  	if(m_Animate)
  		m_AnimateTime = (time_get()-m_AnimateStart)/(float)time_freq();
  	else
  		m_AnimateTime = 0;
  	ms_pUiGotContext = 0;
  
  	// handle mouse movement
  	float mx, my, Mwx, Mwy;
  	float rx, ry;
  	{
  		Input()->MouseRelative(&rx, &ry);
  		m_MouseDeltaX = rx;
  		m_MouseDeltaY = ry;
  
  		if(!m_LockMouse)
  		{
  			s_MouseX += rx;
  			s_MouseY += ry;
  		}
  
  		s_MouseX = clamp(s_MouseX, 0.0f, UI()->Screen()->w);
  		s_MouseY = clamp(s_MouseY, 0.0f, UI()->Screen()->h);
  
  		// update the ui
  		mx = s_MouseX;
  		my = s_MouseY;
  		Mwx = 0;
  		Mwy = 0;
  
  		// fix correct world x and y
  		CLayerGroup *g = GetSelectedGroup();
  		if(g)
  		{
  			float aPoints[4];
  			g->Mapping(aPoints);
  
  			float WorldWidth = aPoints[2]-aPoints[0];
  			float WorldHeight = aPoints[3]-aPoints[1];
  
  			Mwx = aPoints[0] + WorldWidth * (s_MouseX/UI()->Screen()->w);
  			Mwy = aPoints[1] + WorldHeight * (s_MouseY/UI()->Screen()->h);
  			m_MouseDeltaWx = m_MouseDeltaX*(WorldWidth / UI()->Screen()->w);
  			m_MouseDeltaWy = m_MouseDeltaY*(WorldHeight / UI()->Screen()->h);
  		}
  
  		int Buttons = 0;
  		if(Input()->KeyPressed(KEY_MOUSE_1)) Buttons |= 1;
  		if(Input()->KeyPressed(KEY_MOUSE_2)) Buttons |= 2;
  		if(Input()->KeyPressed(KEY_MOUSE_3)) Buttons |= 4;
  
  		UI()->Update(mx,my,Mwx,Mwy,Buttons);
  	}
  
  	// toggle gui
  	if(Input()->KeyDown(KEY_TAB))
  		m_GuiActive = !m_GuiActive;
  
  	if(Input()->KeyDown(KEY_F5))
  		Save("maps/debug_test2.map");
  
  	if(Input()->KeyDown(KEY_F6))
  		Load("maps/debug_test2.map", IStorage::TYPE_ALL);
  	
  	if(Input()->KeyDown(KEY_F8))
  		Load("maps/debug_test.map", IStorage::TYPE_ALL);
  	
  	if(Input()->KeyDown(KEY_F7))
  		Save("maps/quicksave.map");
  
  	if(Input()->KeyDown(KEY_F10))
  		m_ShowMousePointer = false;
  
  	Render();
  
  	if(Input()->KeyDown(KEY_F10))
  	{
  		Graphics()->TakeScreenshot(0);
  		m_ShowMousePointer = true;
  	}
  
  	Input()->ClearEvents();
  }
  
  IEditor *CreateEditor() { return new CEditor; }
  