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#ifndef EXTRASMELTUTILS_H
#define EXTRASMELTUTILS_H
#include <ctime>
#include <vector>
#include <smelt.hpp>
#include <smmath.hpp>
#include <smrandom.hpp>
class smEntity3D
{
friend class smEntity3DBuffer;
private:
std::vector<smVertex> vertices;
std::vector<WORD> indices;
public:
smEntity3D(){vertices.clear();indices.clear();}
~smEntity3D(){vertices.clear();indices.clear();}
void addVerices(int n,...);
void addIndices(int n,...);
static smEntity3D cube(smvec3d tl,smvec3d br,DWORD color);
};
class smEntity3DBuffer
{
private:
std::vector<smVertex> vertices;
std::vector<WORD> indices;
static SMELT* sm;
public:
smEntity3DBuffer();
~smEntity3DBuffer(){sm->smRelease();}
void addTransformedEntity(smEntity3D *entity,smMatrix t,smvec3d p);
void drawBatch();
};
class smPSEmissionPositionGenerator
{
public:
virtual smvec3d genPos(){return smvec3d(0,0,0);}
};
class smXLinePSGenerator:public smPSEmissionPositionGenerator
{
private:
smRandomEngine re;
double var;
public:
smXLinePSGenerator(double _var){re.setSeed(time(NULL));var=_var;}
smvec3d genPos(){return smvec3d(re.nextDouble(-var,var),0,0);}
};
class smParticleSystemInfo
{
public:
smvec3d vel,velvar,acc,accvar;
smvec3d rotv,rotvvar,rota,rotavar;
double lifespan,lifespanvar;
int maxcount,emissioncount,ecvar;
double emissiondelay,edvar;
double initsize,initsizevar;
double finalsize,finalsizevar;
DWORD initcolor,initcolorvar;
DWORD finalcolor,finalcolorvar;
SMTEX texture;int blend;
};
class smParticle
{
friend class smParticleSystem;
private:
static SMELT* sm;
smvec3d pos,rot,lookatpos;
smvec3d vel,accel,rotv,rota;
double lifespan,clifespan;
double initsize,finalsize,size;
DWORD color,initcolor,finalcolor;
smQuad q;
bool dead,lookat;
public:
smParticle();
~smParticle();
void render();
void update();
};
class smParticleSystem
{
private:
static SMELT* sm;
std::vector<smParticle*> particles;
smParticleSystemInfo psinfo;
smvec3d pos,lookatpos;
smRandomEngine re;
smPSEmissionPositionGenerator* posGenerator;
bool active,lookat;
double cemdelay,nemdelay;
public:
smParticleSystem();
~smParticleSystem();
void setParticleSystemInfo(smParticleSystemInfo _psinfo);
void setPos(smvec3d _pos);
void setPSEmissionPosGen(smPSEmissionPositionGenerator* _gen);
void setPSLookAt(smvec3d at);
void unsetPSLookAt();
void startPS();
void stopPS();
void updatePS();
void renderPS();
};
extern smVertex makeVertex(float x,float y,float z,DWORD color,float tx,float ty);
#endif // EXTRASMELTUTILS_H
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