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Add FPS counter

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nukeykt 2019-11-15 15:48:40 +09:00 committed by Christoph Oelckers
parent 19dfc45321
commit 337dea13e6
5 changed files with 59 additions and 3 deletions
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2
source/build/include/build.h
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@ -510,7 +510,7 @@ EXTERN char *palookup[MAXPALOOKUPS];
extern uint8_t *basepaltable[MAXBASEPALS];
EXTERN uint8_t paletteloaded;
EXTERN char *blendtable[MAXBLENDTABS];
EXTERN uint8_t whitecol, redcol;
EXTERN uint8_t whitecol, redcol, blackcol;
EXTERN int32_t maxspritesonscreen;

1
source/build/src/palette.cpp
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@ -28,7 +28,6 @@ palette_t curpalette[256]; // the current palette, unadjusted for brightness o
palette_t curpalettefaded[256]; // the current palette, adjusted for brightness and tint (ie. what gets sent to the card)
palette_t palfadergb = { 0, 0, 0, 0 };
char palfadedelta = 0;
uint8_t blackcol;
int32_t realmaxshade;
float frealmaxshade;

56
source/exhumed/src/exhumed.cpp
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@ -2002,6 +2002,60 @@ static inline int32_t calc_smoothratio(ClockTicks totalclk, ClockTicks ototalclk
return clamp(tabledivide64(65536*elapsedFrames*30, rfreq), 0, 65536);
}
int r_showfps;
#define COLOR_RED redcol
#define COLOR_WHITE whitecol
#define LOW_FPS ((videoGetRenderMode() == REND_CLASSIC) ? 35 : 50)
#define SLOW_FRAME_TIME 20
#if defined GEKKO
# define FPS_YOFFSET 16
#else
# define FPS_YOFFSET 0
#endif
#define FPS_COLOR(x) ((x) ? COLOR_RED : COLOR_WHITE)
static void G_PrintFPS(void)
{
static char tempbuf[256];
static int32_t frameCount;
static double cumulativeFrameDelay;
static double lastFrameTime;
static float lastFPS, minFPS = std::numeric_limits<float>::max(), maxFPS;
static double minGameUpdate = std::numeric_limits<double>::max(), maxGameUpdate;
double frameTime = timerGetHiTicks();
double frameDelay = frameTime - lastFrameTime;
cumulativeFrameDelay += frameDelay;
if (frameDelay >= 0)
{
int32_t x = (xdim <= 640);
if (r_showfps)
{
int32_t chars = Bsprintf(tempbuf, "%.1f ms, %5.1f fps", frameDelay, lastFPS);
printext256(windowxy2.x-(chars<<(3-x))+1, windowxy1.y+2+FPS_YOFFSET, blackcol, -1, tempbuf, x);
printext256(windowxy2.x-(chars<<(3-x)), windowxy1.y+1+FPS_YOFFSET,
FPS_COLOR(lastFPS < LOW_FPS), -1, tempbuf, x);
}
if (cumulativeFrameDelay >= 1000.0)
{
lastFPS = 1000.f * frameCount / cumulativeFrameDelay;
// g_frameRate = Blrintf(lastFPS);
frameCount = 0;
cumulativeFrameDelay = 0.0;
}
frameCount++;
}
lastFrameTime = frameTime;
}
static void GameDisplay(void)
{
// End Section B
@ -2045,6 +2099,8 @@ static void GameDisplay(void)
myprintext((320 - nLen) / 2, 100, "PAUSED", 0);
}
G_PrintFPS();
videoNextPage();
}

1
source/exhumed/src/exhumed.h
View file

@ -210,6 +210,7 @@ enum {
};
extern char g_modDir[BMAX_PATH];
extern int r_showfps;
extern struct grpfile_t const* g_selectedGrp;

2
source/exhumed/src/osdcmds.cpp
View file

@ -615,7 +615,7 @@ int32_t registerosdcommands(void)
//{ "r_camrefreshdelay", "minimum delay between security camera sprite updates, 120 = 1 second", (void *)&ud.camera_time, CVAR_INT, 1, 240 },
//{ "r_drawweapon", "enable/disable weapon drawing", (void *)&ud.drawweapon, CVAR_INT, 0, 2 },
//{ "r_showfps", "show the frame rate counter", (void *)&ud.showfps, CVAR_INT, 0, 3 },
{ "r_showfps", "show the frame rate counter", (void *)&r_showfps, CVAR_INT, 0, 3 },
//{ "r_showfpsperiod", "time in seconds before averaging min and max stats for r_showfps 2+", (void *)&ud.frameperiod, CVAR_INT, 0, 5 },
//{ "r_shadows", "enable/disable sprite and model shadows", (void *)&ud.shadows, CVAR_BOOL, 0, 1 },
//{ "r_size", "change size of viewable area", (void *)&ud.screen_size, CVAR_INT|CVAR_FUNCPTR, 0, 64 },