79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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/*
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* GTime.h
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*
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* Interface to the game clock.
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*
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*/
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#ifndef _gtime_h
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#define _gtime_h
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/* The number of ticks per second for the game clock */
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#ifdef WIN32
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#define GAME_TICKS_PER_SEC 1000
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#else
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#define GAME_TICKS_PER_SEC 1000
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#endif
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// The maximum time for one frame (stops the clock running away when debugging)
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// changed to /6 by ajl. if this needs to go back to ticks/10 then tell me.
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#define GTIME_MAXFRAME (GAME_TICKS_PER_SEC/6)
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/* The current time in the game world */
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extern UDWORD gameTime;
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/* The time for the last frame */
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extern UDWORD frameTime;
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/* The current time in the game world */
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extern UDWORD gameTime2; // Never stops.
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/* The time for the last frame */
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extern UDWORD frameTime2; // Never stops.
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/* Initialise the game clock */
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extern BOOL gameTimeInit(void);
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/* Call this each loop to update the game timer */
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extern void gameTimeUpdate(void);
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/* Returns TRUE if gameTime is stopped. */
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extern BOOL gameTimeIsStopped(void);
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/* Call this to stop the game timer */
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extern void gameTimeStop(void);
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/* Call this to restart the game timer after a call to gameTimeStop */
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extern void gameTimeStart(void);
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/*Call this to reset the game timer*/
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extern void gameTimeReset(UDWORD time);
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// reset the game time modifiers
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void gameTimeResetMod(void);
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// set the time modifier
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void gameTimeSetMod(FRACT mod);
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// get the current time modifier
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void gameTimeGetMod(FRACT *pMod);
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// get the current time modifier
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void gameTimeGetModifier(UDWORD *pMod, UDWORD *pFactor);
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/* Useful for periodical stuff */
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/* Will return a number that climbs over tickFrequency game ticks and ends up in the required range. */
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/*
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For instance getTimeValueRange(4096,256) will return a number that cycles through
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the values 0..256 every 4.096 seconds...
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Ensure that the first is an integer multiple of the second
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*/
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extern UDWORD getTimeValueRange(UDWORD tickFrequency, UDWORD requiredRange);
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extern UDWORD getStaticTimeValueRange(UDWORD tickFrequency, UDWORD requiredRange);
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extern void getTimeComponents(UDWORD time, UDWORD *hours, UDWORD *minutes, UDWORD *seconds);
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#endif
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