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

#if !defined(IEFX_H)
#define IEFX_H
#ifdef _WIN32
#pragma once
#endif

#include "interface.h"
#include "mathlib/vector.h"

struct model_t;
struct dlight_t;
class IMaterial;

#define MAX_DLIGHTS 32

//-----------------------------------------------------------------------------
// Purpose: Exposes effects api to client .dll
//-----------------------------------------------------------------------------
abstract_class IVEfx {
   public:
    // Retrieve decal texture index from decal by name
    virtual int Draw_DecalIndexFromName(char *name) = 0;

    // Apply decal
    virtual void DecalShoot(int textureIndex, int entity, const model_t *model,
                            const Vector &model_origin,
                            const QAngle &model_angles, const Vector &position,
                            const Vector *saxis, int flags) = 0;

    // Apply colored decal
    virtual void DecalColorShoot(
        int textureIndex, int entity, const model_t *model,
        const Vector &model_origin, const QAngle &model_angles,
        const Vector &position, const Vector *saxis, int flags,
        const color32 &rgbaColor) = 0;

    virtual void PlayerDecalShoot(
        IMaterial * material, void *userdata, int entity, const model_t *model,
        const Vector &model_origin, const QAngle &model_angles,
        const Vector &position, const Vector *saxis, int flags,
        const color32 &rgbaColor) = 0;

    // Allocate a dynamic world light ( key is the entity to whom it is
    // associated )
    virtual dlight_t *CL_AllocDlight(int key) = 0;

    // Allocate a dynamic entity light ( key is the entity to whom it is
    // associated )
    virtual dlight_t *CL_AllocElight(int key) = 0;

    // Get a list of the currently-active dynamic lights.
    virtual int CL_GetActiveDLights(dlight_t * pList[MAX_DLIGHTS]) = 0;

    // Retrieve decal texture name from decal by index
    virtual const char *Draw_DecalNameFromIndex(int nIndex) = 0;

    // Given an elight key, find it. Does not search ordinary dlights. May
    // return NULL.
    virtual dlight_t *GetElightByKey(int key) = 0;
};

#define VENGINE_EFFECTS_INTERFACE_VERSION "VEngineEffects001"

extern IVEfx *effects;

#endif  // IEFX_H