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DefineClass.XGrassDensityBrush =
{
__parents = { "XEditorBrushTool" },
properties =
{
persisted_setting = true, auto_select_all = true, slider = true,
{ id = "LevelMode", name = "Mode", editor = "dropdownlist", default = "Lower & Raise", items = { "Lower & Raise", "Raise Only", "Lower Only", "Draw on Empty" } },
{ id = "MinDensity", name = "Min grass density", editor = "number", min = 0, max = 100, default = 0},
{ id = "MaxDensity", name = "Max grass density", editor = "number", min = 0, max = 100, default = 100},
{ id = "GridVisible", name = "Toggle grid visibilty", editor = "bool", default = true},
{ id = "TerrainDebugAlphaPerc", name = "Grid opacity", editor = "number",
default = 80, min = 0, max = 100, slider = true, no_edit = function(self) return not self:GetGridVisible() end },
},
ToolSection = "Terrain",
ToolTitle = "Terrain grass density",
Description = {
"Defines the grass density of the terrain.",
"(<style GedHighlight>hold Ctrl</style> to draw on a select terrain)\n(<style GedHighlight>Alt-click</style> to see grass density at the cursor)"
},
ActionSortKey = "21",
ActionIcon = "CommonAssets/UI/Editor/Tools/GrassDensity.tga",
ActionShortcut = "Alt-N",
prev_alpha = false,
start_terrain = false,
}
function XGrassDensityBrush:Init()
if self:GetProperty("GridVisible") then
self:ShowGrid()
end
end
function XGrassDensityBrush:Done()
self:HideGrid()
end
function XGrassDensityBrush:ShowGrid()
hr.TerrainDebugDraw = 1
self.prev_alpha = hr.TerrainDebugAlphaPerc
hr.TerrainDebugAlphaPerc = self:GetTerrainDebugAlphaPerc()
DbgSetTerrainOverlay("grass")
end
function XGrassDensityBrush:HideGrid()
hr.TerrainDebugDraw = 0
hr.TerrainDebugAlphaPerc = self.prev_alpha
end
function XGrassDensityBrush:OnMouseButtonDown(pt, button)
if button == "L" and terminal.IsKeyPressed(const.vkAlt) then
local grid = editor.GetGridRef("grass_density")
local value = grid:get(GetTerrainCursor() / const.GrassTileSize)
print("Grass density at cursor:", value)
return "break"
end
return XEditorBrushTool.OnMouseButtonDown(self, pt, button)
end
function XGrassDensityBrush:StartDraw(pt)
XEditorUndo:BeginOp{grass_density = true, name = "Changed grass density"}
self.start_terrain = terminal.IsKeyPressed(const.vkControl) and terrain.GetTerrainType(pt)
end
function XGrassDensityBrush:Draw(pt1, pt2)
editor.SetGrassDensityInSegment(pt1, pt2, self:GetSize() / 2, self:GetMinDensity(), self:GetMaxDensity(), self:GetLevelMode(), self.start_terrain or -1)
end
function XGrassDensityBrush:EndDraw(pt1, pt2, invalid_box)
XEditorUndo:EndOp(nil, invalid_box)
end
function XGrassDensityBrush:GetCursorRadius()
local radius = self:GetSize() / 2
return radius, radius
end
function XGrassDensityBrush:OnEditorSetProperty(prop_id, old_value, ged)
if prop_id == "GridVisible" then
if self:GetProperty("GridVisible") then
self:ShowGrid()
else
self:HideGrid()
end
elseif prop_id == "MinDensity" or prop_id == "MaxDensity" then
local min = self:GetProperty("MinDensity")
local max = self:GetProperty("MaxDensity")
if prop_id == "MinDensity" then
if min > max then
self:SetProperty("MaxDensity", min)
end
else
if max < min then
self:SetProperty("MinDensity", max)
end
end
elseif prop_id == "TerrainDebugAlphaPerc" then
hr.TerrainDebugAlphaPerc = self:GetTerrainDebugAlphaPerc()
end
end
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