#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 
};