#include "RenderObject.h"


RenderObject::RenderObject(void) {
	for (int i = 0; i < NUM_TEXTURES; i++) {
	textures[i] = NULL;
}
	mesh	= NULL;
	shader	= NULL;
	//textures[0] = NULL;
	parent  = NULL;
}

RenderObject::RenderObject(Mesh*m, Shader*s, GLuint t) {
	for (int i = 0; i < NUM_TEXTURES; i++) {
		textures[i] = NULL;
	}
	mesh = m;
	shader	= s;
	textures[0] = t;
	parent  = NULL;
}


RenderObject::~RenderObject(void) {
	if (mesh != NULL) {
		delete mesh;
	}
	if (shader != NULL) {
		delete shader;
	}
	if (parent != NULL) {
		delete parent;
	}
}


void RenderObject::Update(float msec) {
	if(parent) {
		worldTransform = parent->modelMatrix * modelMatrix;
		//worldTransform = modelMatrix * parent->modelMatrix;
	}
	else {
		worldTransform = modelMatrix;
	}

	for(vector<RenderObject*>::const_iterator i = children.begin(); i != children.end(); ++i ) {
		(*i)->Update(msec);
	}
}

void RenderObject::Draw() const {
	if(mesh) {
		mesh->Draw();
	}
}