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#ifndef __ID_PM__
#define __ID_PM__
#ifdef USE_HIRES
#define PMPageSize 16384
#else
#define PMPageSize 4096
#endif
extern int ChunksInFile;
extern int PMSpriteStart;
extern int PMSoundStart;
extern bool PMSoundInfoPagePadded;
// ChunksInFile+1 pointers to page starts.
// The last pointer points one byte after the last page.
extern uint8_t **PMPages;
void PM_Startup();
void PM_Shutdown();
static inline uint32_t PM_GetPageSize(int page)
{
if(page < 0 || page >= ChunksInFile)
Quit("PM_GetPageSize: Tried to access illegal page: %i", page);
return (uint32_t) (PMPages[page + 1] - PMPages[page]);
}
static inline uint8_t *PM_GetPage(int page)
{
if(page < 0 || page >= ChunksInFile)
Quit("PM_GetPage: Tried to access illegal page: %i", page);
return PMPages[page];
}
static inline uint8_t *PM_GetEnd()
{
return PMPages[ChunksInFile];
}
static inline byte *PM_GetTexture(int wallpic)
{
return PM_GetPage(wallpic);
}
static inline uint16_t *PM_GetSprite(int shapenum)
{
// correct alignment is enforced by PM_Startup()
return (uint16_t *) (void *) PM_GetPage(PMSpriteStart + shapenum);
}
static inline byte *PM_GetSound(int soundpagenum)
{
return PM_GetPage(PMSoundStart + soundpagenum);
}
#endif
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