int Update()
{
//处理事件
SDL_Event sdlEvent;
while(SDL_PollEvent(&sdlEvent))
{
if(HandleEvent(sdlEvent))
return -1;
}
if(!gamePause)
{
IN_UpdateInput(); //处理输入
if(theWorld!=NULL)
{
WorldUpdate(theWorld); //更新世界
}
}
Gui_Update(theWorld); //更新界面
return 0;
}
void Game_Frame(btScalar time)
{
static btScalar game_logic_time = 0.0;
game_logic_time += time;
const bool is_character = (engine_world.character != NULL);
// GUI and controls should be updated at all times!
Controls_PollSDLInput();
Gui_Update();
///@FIXME: I have no idea what's happening here! - Lwmte
if(!ConsoleInfo::instance().isVisible() && control_states.gui_inventory && main_inventory_manager)
{
if((is_character) &&
(main_inventory_manager->getCurrentState() == gui_InventoryManager::INVENTORY_DISABLED))
{
main_inventory_manager->setInventory(&engine_world.character->m_inventory);
main_inventory_manager->send(gui_InventoryManager::INVENTORY_OPEN);
}
if(main_inventory_manager->getCurrentState() == gui_InventoryManager::INVENTORY_IDLE)
{
main_inventory_manager->send(gui_InventoryManager::INVENTORY_CLOSE);
}
}
// If console or inventory is active, only thing to update is audio.
if(ConsoleInfo::instance().isVisible() || main_inventory_manager->getCurrentState() != gui_InventoryManager::INVENTORY_DISABLED)
{
if(game_logic_time >= GAME_LOGIC_REFRESH_INTERVAL)
{
Audio_Update();
Game_Tick(&game_logic_time);
}
return;
}
// We're going to update main logic with a fixed step.
// This allows to conserve CPU resources and keep everything in sync!
if(game_logic_time >= GAME_LOGIC_REFRESH_INTERVAL)
{
btScalar dt = Game_Tick(&game_logic_time);
lua_DoTasks(engine_lua, dt);
Game_UpdateAI();
Audio_Update();
if(is_character)
{
engine_world.character->processSector();
engine_world.character->updateParams();
engine_world.character->checkCollisionCallbacks(); ///@FIXME: Must do it for ALL interactive entities!
}
Game_LoopEntities(engine_world.entity_tree);
}
// This must be called EVERY frame to max out smoothness.
// Includes animations, camera movement, and so on.
Game_ApplyControls(engine_world.character);
if(is_character)
{
if(engine_world.character->m_typeFlags & ENTITY_TYPE_DYNAMIC)
{
engine_world.character->updateRigidBody(false);
}
if(!control_states.noclip && !control_states.free_look)
{
engine_world.character->applyCommands();
engine_world.character->frame(engine_frame_time);
Cam_FollowEntity(renderer.camera(), engine_world.character, 16.0, 128.0);
}
}
Game_UpdateCharacters();
Game_UpdateAllEntities(engine_world.entity_tree);
bt_engine_dynamicsWorld->stepSimulation(time / 2.0, 0);
bt_engine_dynamicsWorld->stepSimulation(time / 2.0, 0);
Controls_RefreshStates();
engine_world.updateAnimTextures();
}
