/*  numTileX and numTileY are the number of tiles in the x and y direction
 *  texTileSize is the size of the square texture (256x256)
 *  drawGLTexture function is listed below. Ignore imgW, imgH, wrapX, wrapY, and angle as these
 *        are not used here, i don't need to stretch or tile each tile
 */
void Map::draw() {
    // Also need to tile or stretch the background image.
    drawImage(background.image, 0, 0, screenWidth, screenHeight);

    for (int j = 0; j < numTileY; j++) {
        for (int i = 0; i < numTileX; i++) {
            drawGLTexture(tiles[j*numTileY+i].texId, i*texTileSize, j*texTileSize,
                     texTileSize, texTileSize, ...);
        }
    }
}

// In file Graphics.cpp
void graphics::drawGLTexture(GLuint id, int x, int y, int w, int h,
                int imgW, int imgH, int wrapX, int wrapY, float angle) {
    // Rotate the matrix if the image is at an angle
    if (angle != 0) {
        glPushMatrix();
        glRotatef(angle, 1.0f, 0.0f, 0.0f);
    }

    // Scale image coords to texture coords [0.0-1.0]
    float tw = 1.0f, th = 1.0f;
    if (wrapX == TILE)  tw = float(w)/float(imgW);
    if (wrapY == TILE)  th = float(h)/float(imgH);

    // Draw quad with texture
    glBindTexture(GL_TEXTURE_2D, id);
    glBegin(GL_QUADS);
    glTexCoord2f( 0,  0); glVertex2i( x,   y );
    glTexCoord2f( 0, th); glVertex2i( x,  y+h);
    glTexCoord2f(tw, th); glVertex2i(x+w, y+h);
    glTexCoord2f(tw,  0); glVertex2i(x+w,  y );
    glEnd();

    // Restore rotation
    if (angle != 0)
        glPopMatrix();
}