bool iEngine::Init() {
L = lua_open();
renderer_root_ = new renderer::Root();
renderer_root_->restoreConfig();
// 根据配置文件创建渲染窗口
render_window_ = new OSWindow();
std::string name = "test";
int width = 800, height = 600;
int colourDepth = 32;
bool fullScreen = false;
int left = 0, top = 0;
bool depthBuffer = true;
render_window_->create(name, width, height, colourDepth, fullScreen,
left, top, depthBuffer);
// ？
SetupResource();
renderer_root_->initialise();
// Set default mipmap level (NB some APIs ignore this)
renderer::TextureManager::getSingleton().setDefaultNumMipMaps(5);
// 读取配置
// 配置渲染器
ConfigRenderer();
// 渲染窗口挂接到渲染系统
renderer_root_->getRenderSystem()->attachRenderTarget(*render_window_);
return true;
}
// This function does any needed initialization on the rendering context.
// This is the first opportunity to do any OpenGL related tasks.
void SetupRC()
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45, (double)SCREEN_WIDTH / (double)SCREEN_HEIGHT, NEAR_PLANE, FAR_PLANE);
gluLookAt(5, 5, 5, 0, 0, 0, 0, 1, 0);
// 各种变换应该在GL_MODELVIEW模式下进行
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// Z-buffer
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
// 启用2D贴图
glEnable(GL_TEXTURE_2D);
SetupResource();
}
