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R_ResetViewInterpolation: wait an extra tic if R_UpdateViewInterpolation has not run yet, do not add extra time for subsequent calls

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James R. 2023-10-01 14:29:23 -07:00 • committed by James R
parent 7b3010c93d
commit f2cc5ce36a
1 changed files with 10 additions and 2 deletions
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12
src/r_fps.c
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@ -22,6 +22,7 @@
#include "r_state.h" #include "r_state.h"
#include "z_zone.h" #include "z_zone.h"
#include "console.h" // con_startup_loadprogress #include "console.h" // con_startup_loadprogress
#include "i_time.h"
UINT32 R_GetFramerateCap(void) UINT32 R_GetFramerateCap(void)
{ {
@ -58,6 +59,7 @@ static viewvars_t skyview_old[MAXSPLITSCREENPLAYERS];
static viewvars_t skyview_new[MAXSPLITSCREENPLAYERS]; static viewvars_t skyview_new[MAXSPLITSCREENPLAYERS];
static viewvars_t *oldview = &pview_old[0]; static viewvars_t *oldview = &pview_old[0];
static tic_t last_view_update;
static int oldview_invalid[MAXSPLITSCREENPLAYERS] = {0, 0, 0, 0}; static int oldview_invalid[MAXSPLITSCREENPLAYERS] = {0, 0, 0, 0};
viewvars_t *newview = &pview_new[0]; viewvars_t *newview = &pview_new[0];
@ -165,21 +167,27 @@ void R_UpdateViewInterpolation(void)
skyview_old[i] = skyview_new[i]; skyview_old[i] = skyview_new[i];
if (oldview_invalid[i] > 0) oldview_invalid[i]--; if (oldview_invalid[i] > 0) oldview_invalid[i]--;
} }
last_view_update = I_GetTime();
} }
void R_ResetViewInterpolation(UINT8 p) void R_ResetViewInterpolation(UINT8 p)
{ {
// Wait an extra tic if the interpolation state hasn't
// updated yet.
int t = last_view_update == I_GetTime() ? 1 : 2;
if (p == 0) if (p == 0)
{ {
UINT8 i; UINT8 i;
for (i = 0; i < MAXSPLITSCREENPLAYERS; i++) for (i = 0; i < MAXSPLITSCREENPLAYERS; i++)
{ {
oldview_invalid[i]++; oldview_invalid[i] = t;
} }
} }
else else
{ {
oldview_invalid[p - 1]++; oldview_invalid[p - 1] = t;
} }
} }