#include "ofMain.h"
#include "ofxXmlSettings.h"
#include "ofxOpenNI.h"

//a colour video particle
class fpoint{
	public:
		fpoint(float _x,float _y, float _z, unsigned char _r,unsigned char _g,unsigned char _b){
			setup(x,y,z,r,g,b);
		}
		void setup(float _x,float _y, float _z, unsigned char _r,unsigned char _g,unsigned char _b){
			x=_x;y=_y;z=_z;r=_r;g=_g;b=_b;st=ofGetElapsedTimef();active=true;
		}
		float x,y,z;
		float st;
		unsigned char r,g,b;
		bool active;
		bool draw(float life,float dx,float dy,float dz,float size=5.0f){
			if (!active) {
				return true;
			}
			float l=ofGetElapsedTimef()-st;
			if (life>l) {
				glPointSize((1.0f-(l/life))*size);
				glBegin(GL_POINTS);
				glColor3ub(r,g,b);
				//glColor4ub(r,g,b,(unsigned char)255); // ((l/life)*255.0f));
	            glVertex3f(x-(pow(l,2)*dx),y-(pow(l,2)*dy),z-(pow(l,2)*dz));
	            glEnd();
	            return true;
	        }
	        else {
	        	active=false;
	        	return false;
	        }
		}
};
class syncOniPlayer{
	public:
		syncOniPlayer() {
			drawable=false;
			gamma=3.0f;
			LUT=NULL;
			makeLUT();
			playerActive=false;
		}
		~syncOniPlayer(){
			stop();
			//if (LUT) delete[] LUT;
		}
		void makeLUT(){
			if (NULL==LUT){
				LUT=new uint8_t[0xff];
			}
			for (int i=0;i<0xFF;i++) {
				LUT[i]=(uint8_t)(pow(((float)i)/255.0f,gamma)*255.0f);
			}
		}
		void addPlayer(string name);
		void play();
		void update();
		void pause();
		bool isPlaying();
		int getCurrentFrame();
		float getPosition();
		int getNumParticles();
		string getCurrentFile();
		void drawWindows();
		void drawCloud(int step);
		void drawPoints(float birth,float life,float dx,float dy, float dz,float size);
		void stop();
		string audio;
		
	private:
		vector<ofxOpenNI*> players;
		vector<string> filenames;
		ofSoundPlayer soundplayer;
		bool drawable;
		vector<fpoint> points;
		set<int> pointPool;
		float gamma;
		uint8_t *LUT;
		float startTime;
		bool playerActive;
};
//========================================
class oniManager{
	public:
		void init(const char* filename);
		void startPlayer(int num);
		int getNumClips();
		int getNumParticles();
		syncOniPlayer* getCurrentPlayer();
		string getCurrentFile();
		void update();
		void drawWindows();
		void drawCloud(int step);
		void drawPoints(float size,float birth,float life,float dx,float dy, float dz);
		void previous();
		void next();
		int playing;
		ofxXmlSettings XML;
    	vector<syncOniPlayer> players;
};