#include "viewport.h"



viewport::viewport()
{
    //ctor
}
viewport::viewport(int _w,int _h,int _x,int _y,float _r,int _ox,int _oy) {
	setup(_w,_h,_x,_y,_r,_ox,_oy);
}

void viewport::setup(int _w,int _h,int _x,int _y,float _r,int _ox,int _oy) {
	r=_r;
	w=_w;
	h=_h;
	x=_x;
	y=_y;
	ox=_ox;
	oy=_oy;
	rb1.allocate(w,h,GL_RGB);
	rb2.allocate(w,h,GL_RGB);

	printf("%ix%i, vp offset: %f,%f\n",w,h,-(sin(ofDegToRad(r))*h/2)-(cos(ofDegToRad(r))*w/2),-(sin(ofDegToRad(r))*w/2)-(cos(ofDegToRad(r))*h/2));
}

void viewport::draw(float a,unsigned char* controllers,int xshift,int yshift,playlist &list,bool transparentBlack,int note,int mode,ofColor* controller_colours,bool controlColours,float scale,float fscale,float colShift){
	
	
		
		// test screen shape
		/*
		ofSetColor(255,0,0);
		ofRect(0,0,w/2,h/2);
		ofRect(w/2,h/2,w/2,h/2);
		ofSetColor(0,255,0);
		ofRect(0,h/2,w/2,h/2);
		ofRect(w/2,0,w/2,h/2);
		*/
		
		rb1.begin();

		//can be done with texture offset?

		int startx=((w-(w*fscale))/2)+xshift;
		while (startx>0) startx-=(w*fscale);
		int starty=((h-(h*fscale))/2)+yshift;
		while (starty>0) starty-=(h*fscale);
		
		for (int i=startx;i<w*2;i+=(w*fscale)) {
			for (int j=starty;j<h*2;j+=(h*fscale)) {
			    rb2.draw(i,j,w*fscale,h*fscale);
			}
		}

		float notewidth=w/NUM_NOTES;
		float noteheight=h/NUM_CONTROLLERS;

		ofPushStyle();

			if (note>0) {
				switch(mode) {
					case BLOCKS:
						for (int i=0;i<NUM_CONTROLLERS;i++){
						ofSetColor(ofColor((controller_colours[i].r*controllers[i])>>7,(controller_colours[i].g*controllers[i])>>7,(controller_colours[i].b*controllers[i])>>7));
						ofRect((note-START_NOTE)*notewidth,i*noteheight,notewidth,noteheight);
						}
						break;
					case LIST:
				if (list.lock()) { //if playlist is loaded
				    if (list.layers.find(note)!=list.layers.end()) {
					ofPushMatrix();
					ofTranslate(w/2,h/2);
					ofScale(scale,scale,scale);
					ofTranslate(-w/2,-h/2);
					ofSetColor(255,255,255);
					if (controlColours) list.layers[note]->draw(a,controllers,w,h,transparentBlack,colShift);
					else list.layers[note]->draw(a,w,h,colShift);
					ofPopMatrix();
				    }
				    list.unlock();
				}
						break;
				}
			}

			rb1.end();

			rb2.begin();
			ofSetColor(255,255,255);
			rb1.draw(0,0);
			rb2.end();
			
			ofPushMatrix();
			ofTranslate(x+(w/2),y+(h/2));
			ofRotate(r);
			//ofTranslate(-abs(sin(ofDegToRad(r))*h/2)-abs(cos(ofDegToRad(r))*w/2),-abs(sin(ofDegToRad(r))*w/2)-abs(cos(ofDegToRad(r))*h/2));
			ofTranslate(ox,oy);

			rb2.draw(0,0);
			
		ofPopStyle();
	
	ofPopMatrix();

}

viewport::~viewport()
{
    //dtor
}