// TexturedCube.cpp: implementation of the CTexturedCube class.
//
//////////////////////////////////////////////////////////////////////

#include "TexturedCube.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CTexturedCube::CTexturedCube(char* szTextureName)
: cx(1.0),
  cy(1.0),
  cz(1.0)
{
	pTexture = new CTexture();
	if (pTexture->LoadGLTexture(szTextureName) == FALSE)
		pApp->pLog->Log("Loading texture for CTexturedCube failed!");

	bTexture = true;
}

CTexturedCube::~CTexturedCube()
{
	delete pTexture;
}


void CTexturedCube::Draw()
{
	glPushMatrix();

	if (bTexture)
	{
		glEnable(GL_TEXTURE_2D);
		glBindTexture(GL_TEXTURE_2D, pTexture->texture2d);
		glColor3f(1.0, 1.0, 1.0);

		glTranslatef(pos_x, pos_y, pos_z);
		glRotatef(rot_angle, rot_x, rot_y, rot_z);

		glBegin(GL_QUADS);
			// Front Face
			glTexCoord2f(0.0f, 0.0f); glVertex3f(-cx, -cy,  cz);
			glTexCoord2f(1.0f, 0.0f); glVertex3f( cx, -cy,  cz);
			glTexCoord2f(1.0f, 1.0f); glVertex3f( cx,  cy,  cz);
			glTexCoord2f(0.0f, 1.0f); glVertex3f(-cx,  cy,  cz);
			// Back Face
			glTexCoord2f(1.0f, 0.0f); glVertex3f(-cx, -cy, -cz);
			glTexCoord2f(1.0f, 1.0f); glVertex3f(-cx,  cy, -cz);;
			glTexCoord2f(0.0f, 1.0f); glVertex3f( cx,  cy, -cz);
			glTexCoord2f(0.0f, 0.0f); glVertex3f( cx, -cy, -cz);
			// Top Face
			glTexCoord2f(0.0f, 1.0f); glVertex3f(-cx,  cy, -cz);
			glTexCoord2f(0.0f, 0.0f); glVertex3f(-cx,  cy,  cz);
			glTexCoord2f(1.0f, 0.0f); glVertex3f( cx,  cy,  cz);
			glTexCoord2f(1.0f, 1.0f); glVertex3f( cx,  cy, -cz);
			// Bottom Face
			glTexCoord2f(1.0f, 1.0f); glVertex3f(-cx, -cy, -cz);
			glTexCoord2f(0.0f, 1.0f); glVertex3f( cx, -cy, -cz);
			glTexCoord2f(0.0f, 0.0f); glVertex3f( cx, -cy,  cz);
			glTexCoord2f(1.0f, 0.0f); glVertex3f(-cx, -cy,  cz);
			// Right face
			glTexCoord2f(1.0f, 0.0f); glVertex3f( cx, -cy, -cz);
			glTexCoord2f(1.0f, 1.0f); glVertex3f( cx,  cy, -cz);
			glTexCoord2f(0.0f, 1.0f); glVertex3f( cx,  cy,  cz);
			glTexCoord2f(0.0f, 0.0f); glVertex3f( cx, -cy,  cz);
			// Left Face
			glTexCoord2f(0.0f, 0.0f); glVertex3f(-cx, -cy, -cz);
			glTexCoord2f(1.0f, 0.0f); glVertex3f(-cx, -cy,  cz);
			glTexCoord2f(1.0f, 1.0f); glVertex3f(-cx,  cy,  cz);
			glTexCoord2f(0.0f, 1.0f); glVertex3f(-cx,  cy, -cz);
		glEnd();

		glDisable(GL_TEXTURE_2D);
	}
	else		// don't use any texture
	{
		glTranslatef(pos_x, pos_y, pos_z);
		glRotatef(rot_angle, rot_x, rot_y, rot_z);
		glColor3f(1.0, 1.0, 1.0);

		glBegin(GL_QUADS);
			// Front Face - red
			glColor3f(0.5, .0, .0);
			glVertex3f(-cx, -cy,  cz); glVertex3f( cx, -cy,  cz);
			glVertex3f( cx,  cy,  cz); glVertex3f(-cx,  cy,  cz);
			// Back Face - green
			glColor3f(0.0, .5, 0.0);
			glVertex3f(-cx, -cy, -cz); glVertex3f(-cx,  cy, -cz);;
			glVertex3f( cx,  cy, -cz); glVertex3f( cx, -cy, -cz);

			// Top Face - blue
			glColor3f(0.0, 0.0, .5);
			glVertex3f(-cx,  cy, -cz); glVertex3f(-cx,  cy,  cz);
			glVertex3f( cx,  cy,  cz); glVertex3f( cx,  cy, -cz);

			// Bottom Face - 
			glColor3f(.5, .5, 0.0);
			glVertex3f(-cx, -cy, -cz); glVertex3f( cx, -cy, -cz);
			glVertex3f( cx, -cy,  cz); glVertex3f(-cx, -cy,  cz);

			// Right face
			glColor3f(0.0, .5, .5);
			glVertex3f( cx, -cy, -cz); glVertex3f( cx,  cy, -cz);
			glVertex3f( cx,  cy,  cz); glVertex3f( cx, -cy,  cz);

			// Left Face
			glColor3f(.5, 0.0, .5);
			glVertex3f(-cx, -cy, -cz); glVertex3f(-cx, -cy,  cz);
			glVertex3f(-cx,  cy,  cz); glVertex3f(-cx,  cy, -cz);
			
		glEnd();
	}

	glPopMatrix();
}