//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//

#ifndef C_ENTITY_DISSOLVE_H
#define C_ENTITY_DISSOLVE_H

#include "cbase.h"

//-----------------------------------------------------------------------------
// Entity Dissolve, client-side implementation
//-----------------------------------------------------------------------------
class C_EntityDissolve : public C_BaseEntity, public IMotionEvent {
   public:
    DECLARE_CLIENTCLASS();
    DECLARE_CLASS(C_EntityDissolve, C_BaseEntity);

    C_EntityDissolve(void);

    // Inherited from C_BaseEntity
    virtual void GetRenderBounds(Vector &theMins, Vector &theMaxs);
    virtual int DrawModel(int flags);
    virtual bool ShouldDraw() { return true; }
    virtual void OnDataChanged(DataUpdateType_t updateType);
    virtual void UpdateOnRemove(void);

    virtual Vector GetEffectColor(void) { return m_vEffectColor; }
    virtual void SetEffectColor(Vector v) { m_vEffectColor = v; }

    // Inherited from IMotionEvent
    virtual simresult_e Simulate(IPhysicsMotionController *pController,
                                 IPhysicsObject *pObject, float deltaTime,
                                 Vector &linear, AngularImpulse &angular);

    void SetupEmitter(void);

    void ClientThink(void);

    void SetServerLinkState(bool state) { m_bLinkedToServerEnt = state; }

    float m_flStartTime;
    float m_flFadeOutStart;
    float m_flFadeOutLength;
    float m_flFadeOutModelStart;
    float m_flFadeOutModelLength;
    float m_flFadeInStart;
    float m_flFadeInLength;
    int m_nDissolveType;
    float m_flNextSparkTime;

    Vector m_vEffectColor;

    Vector m_vDissolverOrigin;
    int m_nMagnitude;

    bool m_bCoreExplode;

   protected:
    float GetFadeInPercentage(void);  // Fade in amount (entity fading to black)
    float GetFadeOutPercentage(
        void);  // Fade out amount (particles fading away)
    float GetModelFadeOutPercentage(void);  // Mode fade out amount

    // Compute the bounding box's center, size, and basis
    void ComputeRenderInfo(mstudiobbox_t *pHitBox,
                           const matrix3x4_t &hitboxToWorld,
                           Vector *pVecAbsOrigin, Vector *pXVec, Vector *pYVec);
    void BuildTeslaEffect(mstudiobbox_t *pHitBox,
                          const matrix3x4_t &hitboxToWorld, bool bRandom,
                          float flYawOffset);

    void DoSparks(mstudiohitboxset_t *set,
                  matrix3x4_t *hitboxbones[MAXSTUDIOBONES]);

   private:
    CSmartPtr<CSimpleEmitter> m_pEmitter;

    bool m_bLinkedToServerEnt;
    IPhysicsMotionController *m_pController;
};

#endif  // C_ENTITY_DISSOLVE_H