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Weather is already run client-side. What if we ran it render-side, for major performance gains? This commit will answer all your questions - and more!

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This commit is contained in:
toaster 2018-10-07 15:00:58 +01:00
parent a605ee9c11
commit b1e02467bf
7 changed files with 85 additions and 65 deletions
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18
src/hardware/hw_main.c
View file

@ -5140,7 +5140,9 @@ static void HWR_AddSprites(sector_t *sec)
approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
if (approx_dist <= limit_dist)
if (approx_dist > limit_dist)
continue;
HWR_ProjectSprite(thing);
}
}
@ -5163,7 +5165,9 @@ static void HWR_AddSprites(sector_t *sec)
approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
if (approx_dist <= limit_dist)
if (approx_dist > limit_dist)
continue;
HWR_ProjectPrecipitationSprite(precipthing);
}
}
@ -5449,6 +5453,16 @@ static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing)
x1 = tr_x + x1 * rightcos;
x2 = tr_x - x2 * rightcos;
// okay, we can't return now... this is a hack, but weather isn't networked, so it should be ok
if (!(thing->precipflags & PCF_THUNK))
{
if (thing->precipflags & PCF_RAIN)
P_RainThinker(thing);
else
P_SnowThinker(thing);
thing->precipflags |= PCF_THUNK;
}
//
// store information in a vissprite
//

33
src/p_mobj.c
View file

@ -3840,7 +3840,8 @@ void P_RecalcPrecipInSector(sector_t *sector)
//
void P_NullPrecipThinker(precipmobj_t *mobj)
{
(void)mobj;
//(void)mobj;
mobj->precipflags &= ~PCF_THUNK;
}
void P_SnowThinker(precipmobj_t *mobj)
@ -3860,25 +3861,26 @@ void P_RainThinker(precipmobj_t *mobj)
{
// cycle through states,
// calling action functions at transitions
if (mobj->tics > 0 && --mobj->tics == 0)
{
// you can cycle through multiple states in a tic
if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
return; // freed itself
}
if (mobj->tics <= 0)
return;
if (--mobj->tics)
return;
if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
return;
if (mobj->state != &states[S_RAINRETURN])
return;
if (mobj->state == &states[S_RAINRETURN])
{
mobj->z = mobj->ceilingz;
P_SetPrecipMobjState(mobj, S_RAIN1);
}
return;
}
// adjust height
mobj->z += mobj->momz;
if (mobj->z <= mobj->floorz)
if ((mobj->z += mobj->momz) <= mobj->floorz)
{
// no splashes on sky or bottomless pits
if (mobj->precipflags & PCF_PIT)
@ -7926,14 +7928,15 @@ static precipmobj_t *P_SpawnPrecipMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype
static inline precipmobj_t *P_SpawnRainMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
{
precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
mo->precipflags |= PCF_RAIN;
//mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
return mo;
}
static inline precipmobj_t *P_SpawnSnowMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
{
precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
//mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
return mo;
}

4
src/p_mobj.h
View file

@ -252,6 +252,10 @@ typedef enum {
PCF_FOF = 4,
// Above MOVING FOF (this means we need to keep floorz up to date...)
PCF_MOVINGFOF = 8,
// Is rain.
PCF_RAIN = 16,
// Ran the thinker this tic.
PCF_THUNK = 32,
} precipflag_t;
// Map Object definition.
typedef struct mobj_s

6
src/p_saveg.c
View file

@ -1661,8 +1661,7 @@ static void P_NetArchiveThinkers(void)
for (th = thinkercap.next; th != &thinkercap; th = th->next)
{
if (!(th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed
|| th->function.acp1 == (actionf_p1)P_RainThinker
|| th->function.acp1 == (actionf_p1)P_SnowThinker))
|| th->function.acp1 == (actionf_p1)P_NullPrecipThinker))
numsaved++;
if (th->function.acp1 == (actionf_p1)P_MobjThinker)
@ -1671,8 +1670,7 @@ static void P_NetArchiveThinkers(void)
continue;
}
#ifdef PARANOIA
else if (th->function.acp1 == (actionf_p1)P_RainThinker
|| th->function.acp1 == (actionf_p1)P_SnowThinker);
else if (th->function.acp1 == (actionf_p1)P_NullPrecipThinker);
#endif
else if (th->function.acp1 == (actionf_p1)T_MoveCeiling)
{

32
src/p_spec.c
View file

@ -2039,8 +2039,7 @@ void P_SwitchWeather(INT32 weathernum)
for (think = thinkercap.next; think != &thinkercap; think = think->next)
{
if ((think->function.acp1 != (actionf_p1)P_SnowThinker)
&& (think->function.acp1 != (actionf_p1)P_RainThinker))
if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
continue; // not a precipmobj thinker
precipmobj = (precipmobj_t *)think;
@ -2056,14 +2055,12 @@ void P_SwitchWeather(INT32 weathernum)
for (think = thinkercap.next; think != &thinkercap; think = think->next)
{
if (swap == PRECIP_RAIN) // Snow To Rain
{
if (!(think->function.acp1 == (actionf_p1)P_SnowThinker
|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
continue; // not a precipmobj thinker
precipmobj = (precipmobj_t *)think;
if (swap == PRECIP_RAIN) // Snow To Rain
{
precipmobj->flags = mobjinfo[MT_RAIN].flags;
st = &states[mobjinfo[MT_RAIN].spawnstate];
precipmobj->state = st;
@ -2074,18 +2071,13 @@ void P_SwitchWeather(INT32 weathernum)
precipmobj->precipflags &= ~PCF_INVISIBLE;
think->function.acp1 = (actionf_p1)P_RainThinker;
precipmobj->precipflags |= PCF_RAIN;
//think->function.acp1 = (actionf_p1)P_RainThinker;
}
else if (swap == PRECIP_SNOW) // Rain To Snow
{
INT32 z;
if (!(think->function.acp1 == (actionf_p1)P_RainThinker
|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
continue; // not a precipmobj thinker
precipmobj = (precipmobj_t *)think;
precipmobj->flags = mobjinfo[MT_SNOWFLAKE].flags;
z = M_RandomByte();
@ -2103,19 +2095,13 @@ void P_SwitchWeather(INT32 weathernum)
precipmobj->frame = st->frame;
precipmobj->momz = mobjinfo[MT_SNOWFLAKE].speed;
precipmobj->precipflags &= ~PCF_INVISIBLE;
precipmobj->precipflags &= ~(PCF_INVISIBLE|PCF_RAIN);
think->function.acp1 = (actionf_p1)P_SnowThinker;
//think->function.acp1 = (actionf_p1)P_SnowThinker;
}
else if (swap == PRECIP_BLANK || swap == PRECIP_STORM_NORAIN) // Remove precip, but keep it around for reuse.
{
if (!(think->function.acp1 == (actionf_p1)P_RainThinker
|| think->function.acp1 == (actionf_p1)P_SnowThinker))
continue;
precipmobj = (precipmobj_t *)think;
think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
//think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
precipmobj->precipflags |= PCF_INVISIBLE;
}

24
src/p_tick.c
View file

@ -56,12 +56,12 @@ void Command_Numthinkers_f(void)
CONS_Printf(M_GetText("numthinkers <#>: Count number of thinkers\n"));
CONS_Printf(
"\t1: P_MobjThinker\n"
"\t2: P_RainThinker\n"
"\t3: P_SnowThinker\n"
"\t4: P_NullPrecipThinker\n"
"\t5: T_Friction\n"
"\t6: T_Pusher\n"
"\t7: P_RemoveThinkerDelayed\n");
/*"\t2: P_RainThinker\n"
"\t3: P_SnowThinker\n"*/
"\t2: P_NullPrecipThinker\n"
"\t3: T_Friction\n"
"\t4: T_Pusher\n"
"\t5: P_RemoveThinkerDelayed\n");
return;
}
@ -73,27 +73,27 @@ void Command_Numthinkers_f(void)
action = (actionf_p1)P_MobjThinker;
CONS_Printf(M_GetText("Number of %s: "), "P_MobjThinker");
break;
case 2:
/*case 2:
action = (actionf_p1)P_RainThinker;
CONS_Printf(M_GetText("Number of %s: "), "P_RainThinker");
break;
case 3:
action = (actionf_p1)P_SnowThinker;
CONS_Printf(M_GetText("Number of %s: "), "P_SnowThinker");
break;
case 4:
break;*/
case 2:
action = (actionf_p1)P_NullPrecipThinker;
CONS_Printf(M_GetText("Number of %s: "), "P_NullPrecipThinker");
break;
case 5:
case 3:
action = (actionf_p1)T_Friction;
CONS_Printf(M_GetText("Number of %s: "), "T_Friction");
break;
case 6:
case 4:
action = (actionf_p1)T_Pusher;
CONS_Printf(M_GetText("Number of %s: "), "T_Pusher");
break;
case 7:
case 5:
action = (actionf_p1)P_RemoveThinkerDelayed;
CONS_Printf(M_GetText("Number of %s: "), "P_RemoveThinkerDelayed");
break;

19
src/r_things.c
View file

@ -1451,6 +1451,17 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
return;
}
// okay, we can't return now except for vertical clipping... this is a hack, but weather isn't networked, so it should be ok
if (!(thing->precipflags & PCF_THUNK))
{
if (thing->precipflags & PCF_RAIN)
P_RainThinker(thing);
else
P_SnowThinker(thing);
thing->precipflags |= PCF_THUNK;
}
//SoM: 3/17/2000: Disregard sprites that are out of view..
gzt = thing->z + spritecachedinfo[lump].topoffset;
gz = gzt - spritecachedinfo[lump].height;
@ -1569,7 +1580,9 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
if (approx_dist <= limit_dist)
if (approx_dist > limit_dist)
continue;
R_ProjectSprite(thing);
}
}
@ -1591,7 +1604,9 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
if (approx_dist <= limit_dist)
if (approx_dist > limit_dist)
continue;
R_ProjectPrecipitationSprite(precipthing);
}
}