OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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Merge branch 'multi' of https://github.com/Edward850/zdoom

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This commit is contained in:
Christoph Oelckers 2014-10-13 10:37:51 +02:00
commit 952d03da7c
9 changed files with 203 additions and 66 deletions
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95
src/p_user.cpp
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@ -63,6 +63,27 @@ static FRandom pr_skullpop ("SkullPop");
// Variables for prediction
CVAR (Bool, cl_noprediction, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
CVAR(Bool, cl_predict_specials, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
CUSTOM_CVAR(Float, cl_predict_lerpscale, 0.05f, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
P_PredictionLerpReset();
}
CUSTOM_CVAR(Float, cl_predict_lerpthreshold, 2.00f, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
{
if (self < 0.1f)
self = 0.1f;
P_PredictionLerpReset();
}
struct PredictPos
{
int gametic;
FVector3 point;
fixed_t pitch;
fixed_t yaw;
} static PredictionLerpFrom, PredictionLerpResult, PredictionLast;
static int PredictionLerptics;
static player_t PredictionPlayerBackup;
static BYTE PredictionActorBackup[sizeof(AActor)];
static TArray<sector_t *> PredictionTouchingSectorsBackup;
@ -2636,6 +2657,22 @@ void P_PlayerThink (player_t *player)
}
}
void P_PredictionLerpReset()
{
PredictionLerptics = PredictionLast.gametic = PredictionLerpFrom.gametic = PredictionLerpResult.gametic = 0;
}
bool P_LerpCalculate(FVector3 from, FVector3 to, FVector3 &result, float scale)
{
result = to - from;
result *= scale;
result = result + from;
FVector3 delta = result - to;
// As a fail safe, assume extrapolation is the threshold.
return (delta.LengthSquared() > cl_predict_lerpthreshold && scale <= 1.00f);
}
void P_PredictPlayer (player_t *player)
{
int maxtic;
@ -2663,8 +2700,8 @@ void P_PredictPlayer (player_t *player)
// Save original values for restoration later
PredictionPlayerBackup = *player;
AActor *act = player->mo;
memcpy (PredictionActorBackup, &act->x, sizeof(AActor)-((BYTE *)&act->x-(BYTE *)act));
APlayerPawn *act = player->mo;
memcpy(PredictionActorBackup, &act->x, sizeof(APlayerPawn) - ((BYTE *)&act->x - (BYTE *)act));
act->flags &= ~MF_PICKUP;
act->flags2 &= ~MF2_PUSHWALL;
@ -2721,7 +2758,8 @@ void P_PredictPlayer (player_t *player)
}
act->BlockNode = NULL;
bool NoInterpolateOld = R_GetViewInterpolationStatus();
// Values too small to be usable for lerping can be considered "off".
bool CanLerp = (!(cl_predict_lerpscale < 0.01f) && (ticdup == 1)), DoLerp = false, NoInterpolateOld = R_GetViewInterpolationStatus();
for (int i = gametic; i < maxtic; ++i)
{
if (!NoInterpolateOld)
@ -2730,6 +2768,47 @@ void P_PredictPlayer (player_t *player)
player->cmd = localcmds[i % LOCALCMDTICS];
P_PlayerThink (player);
player->mo->Tick ();
if (CanLerp && PredictionLast.gametic > 0 && i == PredictionLast.gametic && !NoInterpolateOld)
{
// Z is not compared as lifts will alter this with no apparent change
DoLerp = (PredictionLast.point.X != FIXED2FLOAT(player->mo->x) ||
PredictionLast.point.Y != FIXED2FLOAT(player->mo->y));
}
}
if (CanLerp)
{
if (NoInterpolateOld)
P_PredictionLerpReset();
else if (DoLerp)
{
// If lerping is already in effect, use the previous camera postion so the view doesn't suddenly snap
PredictionLerpFrom = (PredictionLerptics == 0) ? PredictionLast : PredictionLerpResult;
PredictionLerptics = 1;
}
PredictionLast.gametic = maxtic - 1;
PredictionLast.point.X = FIXED2FLOAT(player->mo->x);
PredictionLast.point.Y = FIXED2FLOAT(player->mo->y);
PredictionLast.point.Z = FIXED2FLOAT(player->mo->z);
if (PredictionLerptics > 0)
{
if (PredictionLerpFrom.gametic > 0 &&
P_LerpCalculate(PredictionLerpFrom.point, PredictionLast.point, PredictionLerpResult.point, (float)PredictionLerptics * cl_predict_lerpscale))
{
PredictionLerptics++;
player->mo->x = FLOAT2FIXED(PredictionLerpResult.point.X);
player->mo->y = FLOAT2FIXED(PredictionLerpResult.point.Y);
player->mo->z = FLOAT2FIXED(PredictionLerpResult.point.Z);
}
else
{
PredictionLerptics = 0;
}
}
}
}
@ -2742,9 +2821,12 @@ void P_UnPredictPlayer ()
if (player->cheats & CF_PREDICTING)
{
unsigned int i;
AActor *act = player->mo;
APlayerPawn *act = player->mo;
AActor *savedcamera = player->camera;
TObjPtr<AInventory> InvSel = act->InvSel;
int inventorytics = player->inventorytics;
*player = PredictionPlayerBackup;
// Restore the camera instead of using the backup's copy, because spynext/prev
@ -2752,7 +2834,7 @@ void P_UnPredictPlayer ()
player->camera = savedcamera;
act->UnlinkFromWorld();
memcpy(&act->x, PredictionActorBackup, sizeof(AActor)-((BYTE *)&act->x - (BYTE *)act));
memcpy(&act->x, PredictionActorBackup, sizeof(APlayerPawn) - ((BYTE *)&act->x - (BYTE *)act));
// The blockmap ordering needs to remain unchanged, too.
// Restore sector links and refrences.
@ -2857,6 +2939,9 @@ void P_UnPredictPlayer ()
}
block = block->NextBlock;
}
act->InvSel = InvSel;
player->inventorytics = inventorytics;
}
}