123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/*=========================================================================
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gstate.cpp
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Author: PKG
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Created:
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Project: PRLSR
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Purpose:
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Copyright (c) 2000 Climax Development Ltd
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===========================================================================*/
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#include "system\global.h"
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#include "system\gstate.h"
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#ifndef __SYSTEM_CLICKCOUNT_H__
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#include "system\clickcount.h"
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#endif
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/*****************************************************************************/
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static CScene *s_currentScene;
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static CScene *s_pendingScene;
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int GameState::s_timeSinceLast;
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static CClickCount s_clickCounter;
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void GameState::initialise()
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{
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s_currentScene=NULL;
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s_pendingScene=NULL;
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void GameState::think()
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{
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updateTimer();
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if(s_pendingScene)
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{
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if(s_currentScene)
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{
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if(s_currentScene->readyToShutdown())
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{
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ASSERT(s_pendingScene); // There really should be a scene pending before you shutdown..!
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s_currentScene->shutdown();
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s_currentScene=NULL;
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}
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}
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if(!s_currentScene)
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{
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s_currentScene=s_pendingScene;
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s_currentScene->init();
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s_pendingScene=NULL;
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}
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}
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ASSERT(s_currentScene);
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s_currentScene->think(getFramesSinceLast());
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void GameState::render()
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{
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ASSERT(s_currentScene);
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s_currentScene->render();
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void GameState::setNextScene( CScene *_nextScene )
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{
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ASSERT(!s_pendingScene);
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s_pendingScene=_nextScene;
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}
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/*****************************************************************************/
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CScene * GameState::getCurrentScene()
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{
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return s_currentScene;
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}
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/*****************************************************************************/
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CScene * GameState::getPendingScene()
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{
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return s_pendingScene;
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}
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/*****************************************************************************/
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static int s_timeSpeed = ONE;
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void GameState::updateTimer()
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{
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s_timeSinceLast = (s_clickCounter.timeSinceLast() * s_timeSpeed) >> 12;
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if (s_timeSinceLast > 4 * 4096)
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{
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s_timeSinceLast = 4 * 4096;
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SYSTEM_DBGMSG("updateTimer loosing frames!");
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}
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}
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/*===========================================================================
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end */ |