#include "BaseSurface.h"

namespace ofx {
namespace piMapper {

BaseSurface::BaseSurface(){
	_moved = false;
	ofEnableNormalizedTexCoords();
	createDefaultTexture();
}

BaseSurface::~BaseSurface(){
	delete defaultSource;
	defaultSource = 0;
	defaultTexture.clear();
}

void BaseSurface::createDefaultTexture(){
	ofPixels pixels;
	pixels.allocate(500, 500, 1);
	for(int i = 0; i < pixels.size(); i++){
		pixels[i] = 255;
	}
	int squareSize = 10;          // size of each test pattern square
	bool sy = false;
	for(int y = 0; y < pixels.getWidth(); y += squareSize){
		bool sx = false;
		for(int x = 0; x < pixels.getHeight(); x += squareSize){
			for(int yi = 0; yi < squareSize; yi++){
				for(int xi = 0; xi < squareSize; xi++){
					if(sx && sy){
						pixels[(y + yi) * pixels.getWidth() + x + xi] = 255;
					}else if(sx && !sy){
						pixels[(y + yi) * pixels.getWidth() + x + xi] = 0;
					}else if(!sx && sy){
						pixels[(y + yi) * pixels.getWidth() + x + xi] = 0;
					}else{
						pixels[(y + yi) * pixels.getWidth() + x + xi] = 255;
					}
				}
			}
			sx = !sx;
		}
		sy = !sy;
	}

	// load pixels into texture
	defaultTexture.loadData(pixels);
	// Create new source to be the default
	defaultSource = new BaseSource(&defaultTexture);
	source = defaultSource;
}

void BaseSurface::drawTexture(ofVec2f position){
	if(source->getTexture() == 0){
		ofLogWarning("BaseSurface") << "Source texture empty. Not drawing.";
		return;
	}

	ofMesh texMesh;
	texMesh.addVertex(position);
	texMesh.addVertex(position + ofVec2f(source->getTexture()->getWidth(), 0.0f));
	texMesh.addVertex(position
					  + ofVec2f(source->getTexture()->getWidth(), source->getTexture()->getHeight()));
	texMesh.addVertex(position + ofVec2f(0.0f, source->getTexture()->getHeight()));
	texMesh.addTriangle(0, 2, 3);
	texMesh.addTriangle(0, 1, 2);
	texMesh.addTexCoord(ofVec2f(0.0f, 0.0f));
	texMesh.addTexCoord(ofVec2f(1.0f, 0.0f));
	texMesh.addTexCoord(ofVec2f(1.0f, 1.0f));
	texMesh.addTexCoord(ofVec2f(0.0f, 1.0f));
	source->getTexture()->bind();
	texMesh.draw();
	source->getTexture()->unbind();
}

//void BaseSurface::setTexture(ofTexture* texturePtr) { texture = texturePtr; }
void BaseSurface::setSource(BaseSource * newSource){
	source = newSource;
}

//ofTexture* BaseSurface::getTexture() { return texture; }
BaseSource * BaseSurface::getSource(){
	return source;
}

//ofTexture* BaseSurface::getDefaultTexture() { return &defaultTexture; }
BaseSource * BaseSurface::getDefaultSource(){
	return defaultSource;
}

void BaseSurface::setMoved(bool moved){
	_moved = moved;
}
bool BaseSurface::getMoved(){
	return _moved;
}

ofMesh & BaseSurface::getMesh(){
	return mesh;
}

} // namespace piMapper
} // namespace ofx