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Fix lookback interpolating

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Sally Coolatta 2022-05-01 23:25:11 -04:00
parent b5b2810838
commit d45390f617
4 changed files with 35 additions and 9 deletions
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4
src/p_setup.c
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@ -3383,8 +3383,8 @@ boolean P_SetupLevel(boolean skipprecip)
G_AddMapToBuffer(gamemap-1); G_AddMapToBuffer(gamemap-1);
R_ResetViewInterpolation(); R_ResetViewInterpolation(0);
R_ResetViewInterpolation(); R_ResetViewInterpolation(0);
R_UpdateMobjInterpolators(); R_UpdateMobjInterpolators();
return true; return true;

4
src/p_user.c
View file

@ -7992,7 +7992,11 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
} }
if (lookbackdown) if (lookbackdown)
{
P_MoveChaseCamera(player, thiscam, false); P_MoveChaseCamera(player, thiscam, false);
R_ResetViewInterpolation(num + 1);
R_ResetViewInterpolation(num + 1);
}
return (x == thiscam->x && y == thiscam->y && z == thiscam->z && angle == thiscam->aiming); return (x == thiscam->x && y == thiscam->y && z == thiscam->z && angle == thiscam->aiming);
} }

36
src/r_fps.c
View file

@ -72,7 +72,7 @@ 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 int oldview_invalid = 0; static int oldview_invalid[MAXSPLITSCREENPLAYERS] = {0, 0, 0, 0};
viewvars_t *newview = &pview_new[0]; viewvars_t *newview = &pview_new[0];
@ -141,12 +141,23 @@ void R_InterpolateView(fixed_t frac)
{ {
viewvars_t* prevview = oldview; viewvars_t* prevview = oldview;
boolean skybox = 0; boolean skybox = 0;
UINT8 i;
if (FIXED_TO_FLOAT(frac) < 0) if (FIXED_TO_FLOAT(frac) < 0)
frac = 0; frac = 0;
if (frac > FRACUNIT) if (frac > FRACUNIT)
frac = FRACUNIT; frac = FRACUNIT;
if (oldview_invalid != 0) if (viewcontext >= VIEWCONTEXT_SKY1)
{
i = viewcontext - VIEWCONTEXT_SKY1;
}
else
{
i = viewcontext - VIEWCONTEXT_PLAYER1;
}
if (oldview_invalid[i] != 0)
{ {
// interpolate from newview to newview // interpolate from newview to newview
prevview = newview; prevview = newview;
@ -178,14 +189,25 @@ void R_UpdateViewInterpolation(void)
{ {
pview_old[i] = pview_new[i]; pview_old[i] = pview_new[i];
skyview_old[i] = skyview_new[i]; skyview_old[i] = skyview_new[i];
if (oldview_invalid[i]) oldview_invalid[i]--;
}
} }
if (oldview_invalid) oldview_invalid--; void R_ResetViewInterpolation(UINT8 p)
}
void R_ResetViewInterpolation(void)
{ {
oldview_invalid++; if (p == 0)
{
UINT8 i;
for (i = 0; i < MAXSPLITSCREENPLAYERS; i++)
{
oldview_invalid[i]++;
}
}
else
{
oldview_invalid[p - 1]++;
}
} }
void R_SetViewContext(enum viewcontext_e _viewcontext) void R_SetViewContext(enum viewcontext_e _viewcontext)

2
src/r_fps.h
View file

@ -114,7 +114,7 @@ void R_InterpolateView(fixed_t frac);
// Buffer the current new views into the old views. Call once after each real tic. // Buffer the current new views into the old views. Call once after each real tic.
void R_UpdateViewInterpolation(void); void R_UpdateViewInterpolation(void);
// Reset the view states (e.g. after level load) so R_InterpolateView doesn't interpolate invalid data // Reset the view states (e.g. after level load) so R_InterpolateView doesn't interpolate invalid data
void R_ResetViewInterpolation(void); void R_ResetViewInterpolation(UINT8 p);
// Set the current view context (the viewvars pointed to by newview) // Set the current view context (the viewvars pointed to by newview)
void R_SetViewContext(enum viewcontext_e _viewcontext); void R_SetViewContext(enum viewcontext_e _viewcontext);