DetourCrowdWorldModule.h

#pragma once
 
#include <RecastPlugin/RecastPluginDLL.h>
 
#include <Core/World/WorldModule.h>
 
class dtCrowd;
class dtCrowdAgent;
class plRecastWorldModule;
 
 
struct plDetourCrowdAgentParams
{
  float m_fRadius;
 
  float m_fHeight;
 
  float m_fMaxAcceleration;
 
  float m_fMaxSpeed;
 
  float m_fSeparationWeight;
 
  void* m_pUserData;
 
  static inline plDetourCrowdAgentParams Default()
  {
    plDetourCrowdAgentParams params;
    params.m_fRadius = 0.3f;
    params.m_fHeight = 1.8f;
    params.m_fMaxAcceleration = 10.0f;
    params.m_fMaxSpeed = 3.5f;
    params.m_fSeparationWeight = 2.0f;
    params.m_pUserData = nullptr;
    return params;
  }
};
 
 
class PL_RECASTPLUGIN_DLL plDetourCrowdWorldModule : public plWorldModule
{
  PL_DECLARE_WORLD_MODULE();
  PL_ADD_DYNAMIC_REFLECTION(plDetourCrowdWorldModule, plWorldModule);
 
public:
  plDetourCrowdWorldModule(plWorld* pWorld);
  ~plDetourCrowdWorldModule();
 
  virtual void Initialize() override;
  virtual void Deinitialize() override;
 
  bool IsInitializedAndReady() const;
 
  const dtCrowdAgent* GetAgentById(plInt32 iAgentId) const;
 
  plInt32 CreateAgent(const plVec3& vPos, const plDetourCrowdAgentParams& params);
 
  void DestroyAgent(plInt32 iAgentId);
 
  void SetAgentTargetPosition(plInt32 iAgentId, const plVec3& vPos, const plVec3& vQueryHalfExtents = plVec3(0.5f, 0.5f, 0.5f));
  
  void ClearAgentTargetPosition(plInt32 iAgentId);
 
  void UpdateAgentParams(plInt32 iAgentId, const plDetourCrowdAgentParams& params);
 
private:
  void UpdateNavMesh(const UpdateContext& ctx);
  void UpdateCrowd(const UpdateContext& ctx);
  void VisualizeCrowd(const UpdateContext& ctx);
 
  void FillDtCrowdAgentParams(const plDetourCrowdAgentParams& params, struct dtCrowdAgentParams& out_params) const;
 
  plInt32 m_iMaxAgents = 128;
  float m_fMaxAgentRadius = 2.0f;
  dtCrowd* m_pDtCrowd = nullptr;
  plRecastWorldModule* m_pRecastModule = nullptr;
};