source: GTP/trunk/App/Demos/Illum/explosion_DX/ParticleSystem.h @ 1485

#pragma once

#include <vector>
#include "Particle.h"
#include "Media.h"
#include "Parameters.h"

using namespace std;

struct vertexFormat
{
        FLOAT x, y, z;
        DWORD color;
        FLOAT u1, v1, s1, t1;
        FLOAT u2, v2, s2;
};


class ParticleSystem
{

public:

        ParticleSystem(void);
        ~ParticleSystem(void);

        
        void addSystem(char* filename, bool fire, D3DCOLOR particleColor, float minSize, float maxSize);
        void draw(IDirect3DTexture9* sceneTexture, IDirect3DTexture9* phaseTexture);
        void SetWorldViewProj(D3DXMATRIXA16& mWorld, D3DXMATRIXA16& mView, D3DXMATRIXA16& mProj );
        void stepFrame();
        void initBuffers();

        void OnCreateDevice( IDirect3DDevice9* pd3dDevice);
        void OnDestroyDevice();
        void OnResetDevice();
        void OnLostDevice();

        void setParams(Parameters& p){params=&p;}
        void setCameraPosition(const D3DXVECTOR3& pos);

        void setScreenDimensions(int width, int height)
        {
                screenWidth = width;
                screenHeight = height;
        }

        IDirect3DTexture9*      getPlanckTexture(){return planckColors;};
        float getFireTemperature(){return fireTemperature;}
protected:

        Parameters* params;

        IDirect3DDevice9* pd3dDevice;

        typedef vector<Particle*> Frame;

        vector<Frame*> animFrames;
        int frameCount;
        int maxParticleCount;   
        int currentframe;
        int screenWidth;
        int screenHeight;       
        
        vertexFormat** allVertices;     

        IDirect3DTexture9*      fireAlpha;
        IDirect3DTexture9*      smokeAlpha;
        IDirect3DTexture9*      planckColors;
        IDirect3DTexture9*      perlinNoise;
        IDirect3DTexture9*      gradTex;

        ID3DXEffect*        sbbEffect;

        HRESULT                                 hr;                             // return codes

        float fireTemperature;                                          // 0 - 1 
};