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Sat Mar 8 20:51:59 2008 UTC
(16 years, 1 month ago)
by satofumi
File MIME type: text/x-c++src
File size: 1073 byte(s)
Visual Studio 2005 の警告を修正。
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/*! |
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\file |
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\brief 遅延時間を制御可能な delay() 関数 |
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\author Satofumi KAMIMURA |
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$Id$ |
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*/ |
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#include "Delay.h" |
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#include "SdlInit.h" |
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#include "LockGuard.h" |
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#include "DetectOS.h" |
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using namespace beego; |
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static double WaitRatio = 1.0; |
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static SDL_mutex* Mutex = NULL; |
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/*! |
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\brief SdlInit の初期化クラス |
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*/ |
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class SdlInitClass : private SdlInit { |
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}; |
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static void mutexInitialize(void) { |
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static SdlInitClass sdl_init; |
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static SDL_mutex* obj = SDL_CreateMutex(); |
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if (Mutex == NULL) { |
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Mutex = obj; |
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} |
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} |
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/*! |
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\brief 待機関数 |
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指定時間だけ待機する。 |
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\param msec [i] 待機時間 [msec] |
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*/ |
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void beego::delay(size_t msec) { |
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mutexInitialize(); |
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LockMutex(Mutex); |
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unsigned long delay_msec = |
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static_cast<unsigned long>(msec * WaitRatio); |
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UnlockMutex(Mutex); |
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SDL_Delay(delay_msec); |
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} |
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/*! |
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\brief 時間の進行比率を設定 |
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モニタ機能にて、早送りなどを実現するのに利用する。 |
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\param ratio [i] 時間のすすみ具合。2.0 だと2倍速 |
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*/ |
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void setDelayRatio(double ratio) { |
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mutexInitialize(); |
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LockMutex(Mutex); |
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WaitRatio = ratio; |
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UnlockMutex(Mutex); |
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} |
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