include/sgeparticles.h

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#ifndef _SGEPARTICLES_H
#define _SGEPARTICLES_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Copyright (c) 2007 Heiko Irrgang
 *
 * The license and distribution terms for this file may be
 * found in the file COPYING in this distribution or at
 * http://93-interactive.com/cms/products/software/sdl-game-engine/license/
 */

typedef struct {
        Uint32 timeToLive;
        float speed;
        float angle;
        float x,y;
        float gravity;
        Uint32 color;
} SGEPIXELPARTICLE;

typedef struct {
        Uint8 r1,g1,b1;
        Uint8 r2,g2,b2;
} SGEPIXELPARTICLEDATA;

typedef struct {
        Uint32 timeToLive;
        float speed;
        float angle;
        float x,y;
        float gravity;
} SGESPRITEPARTICLE;

typedef struct {
        SGESPRITE *sprite;
} SGESPRITEPARTICLEDATA;

typedef struct {
        SDL_Surface *drawSurface;

        Uint32 runtime;

        SGEARRAY *particles;

        Uint32 infinite;

        Uint32 x;

        Uint32 y;

        Uint32 timeToLive;

        Uint32 timeToLiveDistribution;

        float emission;

        float emissionDistribution;

        float speed;

        float speedDistribution;

        float angle;

        float angleDistribution;

        float gravity;

        void *custom;
        void (*customDestroy)(void *);
        Uint32 (*draw)(Uint32, void *);
        void *(*create)(void *);
        float internalEmission;
} SGEPARTICLES;

SGEPARTICLES *sgeParticlesPixelNew(Uint8 r1, Uint8 g1, Uint8 b1, Uint8 r2, Uint8 g2, Uint8 b2);

SGEPARTICLES *sgeParticlesSpriteNew(SGESPRITE *sprite);

void sgeParticlesDestroy(SGEPARTICLES *p);

void sgeParticlesDraw(SGEPARTICLES *p);

float sgeParticlesGetNewEmission(SGEPARTICLES *p);
Uint32 sgeParticlesGetNewTimeToLive(SGEPARTICLES *p);
float sgeParticlesGetNewSpeed(SGEPARTICLES *p);
float sgeParticlesGetNewAngle(SGEPARTICLES *p);
float sgeParticlesGetNewX(float x, float angle, float speed);
float sgeParticlesGetNewY(float y, float angle, float speed, float gravity);

void *sgePixelParticleNew(void *p);
void sgePixelParticleDestroy(Uint32 arrayidx, void *particle);
Uint32 sgePixelParticleDraw(Uint32 arrayidx, void *p);
void sgeParticlesPixelCustomDestroy(void *data);

void *sgeSpriteParticleNew(void *p);
void sgeSpriteParticleDestroy(Uint32 arrayidx, void *particle);
Uint32 sgeSpriteParticleDraw(Uint32 arrayidx, void *p);
void sgeParticlesSpriteCustomDestroy(void *data);

SGEPARTICLES *sgeParticlesNew(
                void *(*createFunction)(void *),
                Uint32 (*drawFunction)(Uint32, void *),
                void (*freeFunction)(Uint32, void *)
);

// }@

#ifdef __cplusplus
}
#endif

#endif