text: //
  // Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
  //
  // This software is provided 'as-is', without any express or implied
  // warranty.  In no event will the authors be held liable for any damages
  // arising from the use of this software.
  // Permission is granted to anyone to use this software for any purpose,
  // including commercial applications, and to alter it and redistribute it
  // freely, subject to the following restrictions:
  // 1. The origin of this software must not be misrepresented; you must not
  //    claim that you wrote the original software. If you use this software
  //    in a product, an acknowledgment in the product documentation would be
  //    appreciated but is not required.
  // 2. Altered source versions must be plainly marked as such, and must not be
  //    misrepresented as being the original software.
  // 3. This notice may not be removed or altered from any source distribution.
  //
  
  #ifndef CROWDTOOL_H
  #define CROWDTOOL_H
  
  #include "Sample.h"
  #include "DetourNavMesh.h"
  #include "DetourObstacleAvoidance.h"
  #include "ValueHistory.h"
  #include "DetourCrowd.h"
  
  // Tool to create crowds.
  
  struct CrowdToolParams
  {
  	bool m_expandSelectedDebugDraw;
  	bool m_showCorners;
  	bool m_showCollisionSegments;
  	bool m_showPath;
  	bool m_showVO;
  	bool m_showOpt;
  	bool m_showNeis;
  	
  	bool m_expandDebugDraw;
  	bool m_showLabels;
  	bool m_showGrid;
  	bool m_showNodes;
  	bool m_showPerfGraph;
  	bool m_showDetailAll;
  	
  	bool m_expandOptions;
  	bool m_anticipateTurns;
  	bool m_optimizeVis;
  	bool m_optimizeTopo;
  	bool m_obstacleAvoidance;
  	float m_obstacleAvoidanceType;
  	bool m_separation;
  	float m_separationWeight;
  };
  
  class CrowdToolState : public SampleToolState
  {
  	Sample* m_sample;
  	dtNavMesh* m_nav;
  	dtCrowd* m_crowd;
  	
  	float m_targetPos[3];
  	dtPolyRef m_targetRef;
  
  	dtCrowdAgentDebugInfo m_agentDebug;
  	dtObstacleAvoidanceDebugData* m_vod;
  	
  	static const int AGENT_MAX_TRAIL = 64;
  	static const int MAX_AGENTS = 128;
  	struct AgentTrail
  	{
  		float trail[AGENT_MAX_TRAIL*3];
  		int htrail;
  	};
  	AgentTrail m_trails[MAX_AGENTS];
  	
  	ValueHistory m_crowdTotalTime;
  	ValueHistory m_crowdSampleCount;
  
  	CrowdToolParams m_toolParams;
  
  	bool m_run;
  
  public:
  	CrowdToolState();
  	virtual ~CrowdToolState();
  	
  	virtual void init(class Sample* sample);
  	virtual void reset();
  	virtual void handleRender();
  	virtual void handleRenderOverlay(double* proj, double* model, int* view);
  	virtual void handleUpdate(const float dt);
  
  	inline bool isRunning() const { return m_run; }
  	inline void setRunning(const bool s) { m_run = s; }
  	
  	void addAgent(const float* pos);
  	void removeAgent(const int idx);
  	void hilightAgent(const int idx);
  	void updateAgentParams();
  	int hitTestAgents(const float* s, const float* p);
  	void setMoveTarget(const float* p, bool adjust);
  	void updateTick(const float dt);
  
  	inline CrowdToolParams* getToolParams() { return &m_toolParams; }
  	
  private:
  	// Explicitly disabled copy constructor and copy assignment operator.
  	CrowdToolState(const CrowdToolState&);
  	CrowdToolState& operator=(const CrowdToolState&);
  };
  
  
  class CrowdTool : public SampleTool
  {
  	Sample* m_sample;
  	CrowdToolState* m_state;
  	
  	enum ToolMode
  	{
  		TOOLMODE_CREATE,
  		TOOLMODE_MOVE_TARGET,
  		TOOLMODE_SELECT,
  		TOOLMODE_TOGGLE_POLYS,
  	};
  	ToolMode m_mode;
  	
  	void updateAgentParams();
  	void updateTick(const float dt);
  	
  public:
  	CrowdTool();
  	
  	virtual int type() { return TOOL_CROWD; }
  	virtual void init(Sample* sample);
  	virtual void reset();
  	virtual void handleMenu();
  	virtual void handleClick(const float* s, const float* p, bool shift);
  	virtual void handleToggle();
  	virtual void handleStep();
  	virtual void handleUpdate(const float dt);
  	virtual void handleRender();
  	virtual void handleRenderOverlay(double* proj, double* model, int* view);
  };
  
  #endif // CROWDTOOL_H
  