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raze/source/blood/src/prediction.cpp

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- split Blood prediction code into its own file.
2020-08-02 17:43:45 +00:00
//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 Nuke.YKT
This file is part of NBlood.
NBlood is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#include "ns.h" // Must come before everything else!
#include <stdlib.h>
#include <string.h>
#include "compat.h"
#include "build.h"
#include "pragmas.h"
#include "mmulti.h"
#include "v_font.h"
#include "endgame.h"
#include "aistate.h"
#include "map2d.h"
#include "loadsave.h"
#include "sectorfx.h"
#include "choke.h"
#include "view.h"
#include "nnexts.h"
#include "zstring.h"
#include "menu.h"
#include "gstrings.h"
#include "v_2ddrawer.h"
#include "v_video.h"
#include "v_font.h"
#include "glbackend/glbackend.h"
BEGIN_BLD_NS
- unified the packet structures of all games. Currently the bit fields are still separate and they have to be merged, but for now the added memory does not matter. Having this structure in the common parts will allow work on consolidating the input code, though.
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void fakePlayerProcess(PLAYER* pPlayer, InputPacket* pInput);
- split Blood prediction code into its own file.
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void fakeActProcessSprites(void);
bool gPrediction = true;
VIEW predict, predictOld;
static VIEW predictFifo[256];
void viewInitializePrediction(void)
{
predict.at30 = gMe->q16ang;
predict.at20 = gMe->q16look;
predict.at24 = gMe->q16horiz;
predict.at28 = gMe->q16slopehoriz;
predict.at2c = gMe->slope;
predict.at6f = gMe->cantJump;
predict.at70 = gMe->isRunning;
predict.at72 = gMe->isUnderwater;
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
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predict.at71 = !!(gMe->input.actions & SB_JUMP);
- split Blood prediction code into its own file.
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predict.at50 = gMe->pSprite->x;
predict.at54 = gMe->pSprite->y;
predict.at58 = gMe->pSprite->z;
predict.at68 = gMe->pSprite->sectnum;
predict.at73 = gMe->pSprite->flags;
predict.at5c = xvel[gMe->pSprite->index];
predict.at60 = yvel[gMe->pSprite->index];
predict.at64 = zvel[gMe->pSprite->index];
predict.at6a = gMe->pXSprite->height;
predict.at48 = gMe->posture;
predict.at4c = gMe->spin;
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
2020-08-28 23:19:48 +00:00
predict.at6e = !!(gMe->input.actions & SB_CENTERVIEW);
- split Blood prediction code into its own file.
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memcpy(&predict.at75,&gSpriteHit[gMe->pSprite->extra],sizeof(SPRITEHIT));
predict.at0 = gMe->bobPhase;
predict.at4 = gMe->bobAmp;
predict.at8 = gMe->bobHeight;
predict.atc = gMe->bobWidth;
predict.at10 = gMe->swayPhase;
predict.at14 = gMe->swayAmp;
predict.at18 = gMe->swayHeight;
predict.at1c = gMe->swayWidth;
predict.at34 = gMe->zWeapon-gMe->zView-(12<<8);
predict.at38 = gMe->zView;
predict.at3c = gMe->zViewVel;
predict.at40 = gMe->zWeapon;
predict.at44 = gMe->zWeaponVel;
predictOld = predict;
if (numplayers != 1)
{
gViewAngle = predict.at30;
gViewLook = predict.at20;
}
}
- unified the packet structures of all games. Currently the bit fields are still separate and they have to be merged, but for now the added memory does not matter. Having this structure in the common parts will allow work on consolidating the input code, though.
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void viewUpdatePrediction(InputPacket *pInput)
- split Blood prediction code into its own file.
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{
predictOld = predict;
short bakCstat = gMe->pSprite->cstat;
gMe->pSprite->cstat = 0;
fakePlayerProcess(gMe, pInput);
fakeActProcessSprites();
gMe->pSprite->cstat = bakCstat;
predictFifo[gPredictTail&255] = predict;
gPredictTail++;
if (numplayers != 1)
{
gViewAngle = predict.at30;
gViewLook = predict.at20;
}
}
static void sub_158B4(PLAYER *pPlayer)
{
predict.at38 = predict.at58 - pPlayer->pPosture[pPlayer->lifeMode][predict.at48].eyeAboveZ;
predict.at40 = predict.at58 - pPlayer->pPosture[pPlayer->lifeMode][predict.at48].weaponAboveZ;
}
- unified the packet structures of all games. Currently the bit fields are still separate and they have to be merged, but for now the added memory does not matter. Having this structure in the common parts will allow work on consolidating the input code, though.
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static void fakeProcessInput(PLAYER *pPlayer, InputPacket *pInput)
- split Blood prediction code into its own file.
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{
POSTURE *pPosture = &pPlayer->pPosture[pPlayer->lifeMode][predict.at48];
if (numplayers > 1 && gPrediction)
{
gViewAngleAdjust = 0.f;
gViewLookRecenter = false;
gViewLookAdjust = 0.f;
}
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
2020-08-28 23:19:48 +00:00
predict.at70 = !!(gMe->input.actions & SB_RUN);
predict.at71 = !!(gMe->input.actions & SB_JUMP);
- split Blood prediction code into its own file.
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if (predict.at48 == 1)
{
int x = Cos(fix16_to_int(predict.at30));
int y = Sin(fix16_to_int(predict.at30));
- renamed the fields in Blood's packet structure to match Duke's.
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if (pInput->fvel)
- split Blood prediction code into its own file.
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{
- renamed the fields in Blood's packet structure to match Duke's.
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int forward = pInput->fvel;
- split Blood prediction code into its own file.
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if (forward > 0)
forward = mulscale8(pPosture->frontAccel, forward);
else
forward = mulscale8(pPosture->backAccel, forward);
predict.at5c += mulscale30(forward, x);
predict.at60 += mulscale30(forward, y);
}
- renamed the fields in Blood's packet structure to match Duke's.
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if (pInput->svel)
- split Blood prediction code into its own file.
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{
- renamed the fields in Blood's packet structure to match Duke's.
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int strafe = pInput->svel;
- split Blood prediction code into its own file.
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strafe = mulscale8(pPosture->sideAccel, strafe);
predict.at5c += mulscale30(strafe, y);
predict.at60 -= mulscale30(strafe, x);
}
}
else if (predict.at6a < 0x100)
{
int speed = 0x10000;
if (predict.at6a > 0)
speed -= divscale16(predict.at6a, 0x100);
int x = Cos(fix16_to_int(predict.at30));
int y = Sin(fix16_to_int(predict.at30));
- renamed the fields in Blood's packet structure to match Duke's.
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if (pInput->fvel)
- split Blood prediction code into its own file.
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{
- renamed the fields in Blood's packet structure to match Duke's.
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int forward = pInput->fvel;
- split Blood prediction code into its own file.
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if (forward > 0)
forward = mulscale8(pPosture->frontAccel, forward);
else
forward = mulscale8(pPosture->backAccel, forward);
if (predict.at6a)
forward = mulscale16(forward, speed);
predict.at5c += mulscale30(forward, x);
predict.at60 += mulscale30(forward, y);
}
- renamed the fields in Blood's packet structure to match Duke's.
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if (pInput->svel)
- split Blood prediction code into its own file.
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{
- renamed the fields in Blood's packet structure to match Duke's.
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int strafe = pInput->svel;
- split Blood prediction code into its own file.
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strafe = mulscale8(pPosture->sideAccel, strafe);
if (predict.at6a)
strafe = mulscale16(strafe, speed);
predict.at5c += mulscale30(strafe, y);
predict.at60 -= mulscale30(strafe, x);
}
}
- renamed the fields in Blood's packet structure to match Duke's.
2020-08-26 14:54:13 +00:00
if (pInput->q16avel)
predict.at30 = (predict.at30+pInput->q16avel)&0x7ffffff;
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
2020-08-28 23:19:48 +00:00
if (pInput->actions & SB_TURNAROUND)
- split Blood prediction code into its own file.
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if (!predict.at4c)
predict.at4c = -1024;
if (predict.at4c < 0)
{
int speed;
if (predict.at48 == 1)
speed = 64;
else
speed = 128;
predict.at4c = min(predict.at4c+speed, 0);
predict.at30 += fix16_from_int(speed);
if (numplayers > 1 && gPrediction)
gViewAngleAdjust += float(speed);
}
if (!predict.at71)
predict.at6f = 0;
switch (predict.at48)
{
case 1:
if (predict.at71)
predict.at64 -= pPosture->normalJumpZ;//0x5b05;
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
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if (pInput->actions & SB_CROUCH)
- split Blood prediction code into its own file.
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predict.at64 += pPosture->normalJumpZ;//0x5b05;
break;
case 2:
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
2020-08-28 23:19:48 +00:00
if (!(pInput->actions & SB_CROUCH))
- split Blood prediction code into its own file.
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predict.at48 = 0;
break;
default:
if (!predict.at6f && predict.at71 && predict.at6a == 0) {
if (packItemActive(pPlayer, 4)) predict.at64 = pPosture->pwupJumpZ;//-0x175555;
else predict.at64 = pPosture->normalJumpZ;//-0xbaaaa;
predict.at6f = 1;
}
Merge remote-tracking branch 'remotes/Github_private/back_to_basics2' into Packet # Conflicts: # source/core/inputstate.cpp # source/exhumed/src/exhumed.h
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if (pInput->actions & SB_CROUCH)
- split Blood prediction code into its own file.
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predict.at48 = 2;
break;
}
#if 0
- merged the bit fields in Blood's packet structure. Whatever this was for it made that thing extremely unwieldy. With these merged the resulting structure doesn't look much different from Duke's anymore.
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if (predict.at6e && !pInput->syncFlags.lookUp && !pInput->syncFlags.lookDown)
- split Blood prediction code into its own file.
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{
if (predict.at20 < 0)
predict.at20 = fix16_min(predict.at20+fix16_from_int(4), fix16_from_int(0));
if (predict.at20 > 0)
predict.at20 = fix16_max(predict.at20-fix16_from_int(4), fix16_from_int(0));
if (predict.at20 == 0)
predict.at6e = 0;
}
else
{
- merged the bit fields in Blood's packet structure. Whatever this was for it made that thing extremely unwieldy. With these merged the resulting structure doesn't look much different from Duke's anymore.
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if (pInput->syncFlags.lookUp)
- split Blood prediction code into its own file.
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predict.at20 = fix16_min(predict.at20+fix16_from_int(4), fix16_from_int(60));
- merged the bit fields in Blood's packet structure. Whatever this was for it made that thing extremely unwieldy. With these merged the resulting structure doesn't look much different from Duke's anymore.
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if (pInput->syncFlags.lookDown)
- split Blood prediction code into its own file.
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predict.at20 = fix16_max(predict.at20-fix16_from_int(4), fix16_from_int(-60));
}
predict.at20 = fix16_clamp(predict.at20+pInput->q16mlook, fix16_from_int(-60), fix16_from_int(60));
if (predict.at20 > 0)
predict.at24 = mulscale30(fix16_from_int(120), Sin(fix16_to_int(predict.at20<<3)));
else if (predict.at20 < 0)
predict.at24 = mulscale30(fix16_from_int(180), Sin(fix16_to_int(predict.at20<<3)));
else
predict.at24 = 0;
#endif
int upAngle = 289;
int downAngle = -347;
double lookStepUp = 4.0*upAngle/60.0;
double lookStepDown = -4.0*downAngle/60.0;
- added a global leveltimer variable to Duke. This timer only gets incremented by the main game ticker when the playsim is running. This timer gets used for all playsim-related timing and animations so that these are decoupled from imprecisions in the global timer.
2020-08-30 22:33:41 +00:00
if (predict.at6e && !(pInput->actions & (SB_LOOK_UP | SB_LOOK_DOWN)))
- split Blood prediction code into its own file.
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{
if (predict.at20 < 0)
predict.at20 = fix16_min(predict.at20+fix16_from_dbl(lookStepDown), fix16_from_int(0));
if (predict.at20 > 0)
predict.at20 = fix16_max(predict.at20-fix16_from_dbl(lookStepUp), fix16_from_int(0));
if (predict.at20 == 0)
predict.at6e = 0;
}
else
{
- converted the remaining input bits. Looks like it is working in all games except Blood (not that it surprises me that it's Blood again which has issues...)
2020-08-29 11:32:14 +00:00
if (pInput->actions & (SB_LOOK_UP | SB_AIM_UP))
- split Blood prediction code into its own file.
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predict.at20 = fix16_min(predict.at20+fix16_from_dbl(lookStepUp), fix16_from_int(upAngle));
- converted the remaining input bits. Looks like it is working in all games except Blood (not that it surprises me that it's Blood again which has issues...)
2020-08-29 11:32:14 +00:00
if (pInput->actions & (SB_LOOK_DOWN | SB_AIM_DOWN))
- split Blood prediction code into its own file.
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predict.at20 = fix16_max(predict.at20-fix16_from_dbl(lookStepDown), fix16_from_int(downAngle));
}
if (numplayers > 1 && gPrediction)
{
- converted the remaining input bits. Looks like it is working in all games except Blood (not that it surprises me that it's Blood again which has issues...)
2020-08-29 11:32:14 +00:00
if (pInput->actions & (SB_LOOK_UP | SB_AIM_UP))
- split Blood prediction code into its own file.
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{
gViewLookAdjust += float(lookStepUp);
}
- converted the remaining input bits. Looks like it is working in all games except Blood (not that it surprises me that it's Blood again which has issues...)
2020-08-29 11:32:14 +00:00
if (pInput->actions & (SB_LOOK_DOWN | SB_AIM_DOWN))
- split Blood prediction code into its own file.
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{
gViewLookAdjust -= float(lookStepDown);
}
- added a global leveltimer variable to Duke. This timer only gets incremented by the main game ticker when the playsim is running. This timer gets used for all playsim-related timing and animations so that these are decoupled from imprecisions in the global timer.
2020-08-30 22:33:41 +00:00
gViewLookRecenter = predict.at6e && !(pInput->actions & (SB_LOOK_UP | SB_LOOK_DOWN));
- split Blood prediction code into its own file.
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}
- renamed the fields in Blood's packet structure to match Duke's.
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predict.at20 = fix16_clamp(predict.at20+(pInput->q16horz<<3), fix16_from_int(downAngle), fix16_from_int(upAngle));
- split Blood prediction code into its own file.
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predict.at24 = fix16_from_float(100.f*tanf(fix16_to_float(predict.at20)*fPI/1024.f));
int nSector = predict.at68;
int florhit = predict.at75.florhit & 0xc000;
char va;
if (predict.at6a < 16 && (florhit == 0x4000 || florhit == 0))
va = 1;
else
va = 0;
if (va && (sector[nSector].floorstat&2) != 0)
{
int z1 = getflorzofslope(nSector, predict.at50, predict.at54);
int x2 = predict.at50+mulscale30(64, Cos(fix16_to_int(predict.at30)));
int y2 = predict.at54+mulscale30(64, Sin(fix16_to_int(predict.at30)));
short nSector2 = nSector;
updatesector(x2, y2, &nSector2);
if (nSector2 == nSector)
{
int z2 = getflorzofslope(nSector2, x2, y2);
predict.at28 = interpolate(predict.at28, fix16_from_int(z1-z2)>>3, 0x4000);
}
}
else
{
predict.at28 = interpolate(predict.at28, 0, 0x4000);
if (klabs(predict.at28) < 4)
predict.at28 = 0;
}
predict.at2c = (-fix16_to_int(predict.at24))<<7;
}
- unified the packet structures of all games. Currently the bit fields are still separate and they have to be merged, but for now the added memory does not matter. Having this structure in the common parts will allow work on consolidating the input code, though.
2020-08-26 15:12:48 +00:00
void fakePlayerProcess(PLAYER *pPlayer, InputPacket *pInput)
- split Blood prediction code into its own file.
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{
spritetype *pSprite = pPlayer->pSprite;
XSPRITE *pXSprite = pPlayer->pXSprite;
POSTURE* pPosture = &pPlayer->pPosture[pPlayer->lifeMode][predict.at48];
int top, bottom;
GetSpriteExtents(pSprite, &top, &bottom);
top += predict.at58-pSprite->z;
bottom += predict.at58-pSprite->z;
int dzb = (bottom-predict.at58)/4;
int dzt = (predict.at58-top)/4;
int dw = pSprite->clipdist<<2;
short nSector = predict.at68;
if (!gNoClip)
{
pushmove_old((int32_t*)&predict.at50, (int32_t*)&predict.at54, (int32_t*)&predict.at58, &predict.at68, dw, dzt, dzb, CLIPMASK0);
if (predict.at68 == -1)
predict.at68 = nSector;
}
fakeProcessInput(pPlayer, pInput);
int nSpeed = approxDist(predict.at5c, predict.at60);
predict.at3c = interpolate(predict.at3c, predict.at64, 0x7000);
int dz = predict.at58-pPosture->eyeAboveZ-predict.at38;
if (dz > 0)
predict.at3c += mulscale16(dz<<8, 0xa000);
else
predict.at3c += mulscale16(dz<<8, 0x1800);
predict.at38 += predict.at3c>>8;
predict.at44 = interpolate(predict.at44, predict.at64, 0x5000);
dz = predict.at58-pPosture->weaponAboveZ-predict.at40;
if (dz > 0)
predict.at44 += mulscale16(dz<<8, 0x8000);
else
predict.at44 += mulscale16(dz<<8, 0xc00);
predict.at40 += predict.at44>>8;
predict.at34 = predict.at40 - predict.at38 - (12<<8);
predict.at0 = ClipLow(predict.at0-4, 0);
nSpeed >>= 16;
if (predict.at48 == 1)
{
predict.at4 = (predict.at4+17)&2047;
predict.at14 = (predict.at14+17)&2047;
predict.at8 = mulscale30(10*pPosture->bobV,Sin(predict.at4*2));
predict.atc = mulscale30(predict.at0*pPosture->bobH,Sin(predict.at4-256));
predict.at18 = mulscale30(predict.at0*pPosture->swayV,Sin(predict.at14*2));
predict.at1c = mulscale30(predict.at0*pPosture->swayH,Sin(predict.at14-0x155));
}
else
{
if (pXSprite->height < 256)
{
predict.at4 = (predict.at4+(pPosture->pace[predict.at70]*4))&2047;
predict.at14 = (predict.at14+(pPosture->pace[predict.at70]*4)/2)&2047;
if (predict.at70)
{
if (predict.at0 < 60)
predict.at0 = ClipHigh(predict.at0 + nSpeed, 60);
}
else
{
if (predict.at0 < 30)
predict.at0 = ClipHigh(predict.at0 + nSpeed, 30);
}
}
predict.at8 = mulscale30(predict.at0*pPosture->bobV,Sin(predict.at4*2));
predict.atc = mulscale30(predict.at0*pPosture->bobH,Sin(predict.at4-256));
predict.at18 = mulscale30(predict.at0*pPosture->swayV,Sin(predict.at14*2));
predict.at1c = mulscale30(predict.at0*pPosture->swayH,Sin(predict.at14-0x155));
}
if (!pXSprite->health)
return;
predict.at72 = 0;
if (predict.at48 == 1)
{
predict.at72 = 1;
int nSector = predict.at68;
int nLink = gLowerLink[nSector];
if (nLink > 0 && (sprite[nLink].type == kMarkerLowGoo || sprite[nLink].type == kMarkerLowWater))
{
if (getceilzofslope(nSector, predict.at50, predict.at54) > predict.at38)
predict.at72 = 0;
}
}
}
static void fakeMoveDude(spritetype *pSprite)
{
PLAYER *pPlayer = NULL;
int bottom, top;
if (IsPlayerSprite(pSprite))
pPlayer = &gPlayer[pSprite->type-kDudePlayer1];
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
GetSpriteExtents(pSprite, &top, &bottom);
top += predict.at58 - pSprite->z;
bottom += predict.at58 - pSprite->z;
int bz = (bottom-predict.at58)/4;
int tz = (predict.at58-top)/4;
int wd = pSprite->clipdist*4;
int nSector = predict.at68;
dassert(nSector >= 0 && nSector < kMaxSectors);
if (predict.at5c || predict.at60)
{
if (pPlayer && gNoClip)
{
predict.at50 += predict.at5c>>12;
predict.at54 += predict.at60>>12;
if (!FindSector(predict.at50, predict.at54, &nSector))
nSector = predict.at68;
}
else
{
short bakCstat = pSprite->cstat;
pSprite->cstat &= ~257;
predict.at75.hit = ClipMove(&predict.at50, &predict.at54, &predict.at58, &nSector, predict.at5c >> 12, predict.at60 >> 12, wd, tz, bz, CLIPMASK0);
if (nSector == -1)
nSector = predict.at68;
if (sector[nSector].type >= kSectorPath && sector[nSector].type <= kSectorRotate)
{
short nSector2 = nSector;
pushmove_old((int32_t*)&predict.at50, (int32_t*)&predict.at54, (int32_t*)&predict.at58, &nSector2, wd, tz, bz, CLIPMASK0);
if (nSector2 != -1)
nSector = nSector2;
}
dassert(nSector >= 0);
pSprite->cstat = bakCstat;
}
switch (predict.at75.hit&0xc000)
{
case 0x8000:
{
int nHitWall = predict.at75.hit&0x3fff;
walltype *pHitWall = &wall[nHitWall];
if (pHitWall->nextsector != -1)
{
sectortype *pHitSector = &sector[pHitWall->nextsector];
if (top < pHitSector->ceilingz || bottom > pHitSector->floorz)
{
// ???
}
}
actWallBounceVector(&predict.at5c, &predict.at60, nHitWall, 0);
break;
}
}
}
if (predict.at68 != nSector)
{
dassert(nSector >= 0 && nSector < kMaxSectors);
predict.at68 = nSector;
}
char bUnderwater = 0;
char bDepth = 0;
int nXSector = sector[nSector].extra;
if (nXSector > 0)
{
XSECTOR *pXSector = &xsector[nXSector];
if (pXSector->Underwater)
bUnderwater = 1;
if (pXSector->Depth)
bDepth = 1;
}
int nUpperLink = gUpperLink[nSector];
int nLowerLink = gLowerLink[nSector];
if (nUpperLink >= 0 && (sprite[nUpperLink].type == kMarkerUpWater || sprite[nUpperLink].type == kMarkerUpGoo))
bDepth = 1;
if (nLowerLink >= 0 && (sprite[nLowerLink].type == kMarkerLowWater || sprite[nLowerLink].type == kMarkerLowGoo))
bDepth = 1;
if (pPlayer)
wd += 16;
if (predict.at64)
predict.at58 += predict.at64 >> 8;
spritetype pSpriteBak = *pSprite;
spritetype *pTempSprite = pSprite;
pTempSprite->x = predict.at50;
pTempSprite->y = predict.at54;
pTempSprite->z = predict.at58;
pTempSprite->sectnum = predict.at68;
int ceilZ, ceilHit, floorZ, floorHit;
GetZRange(pTempSprite, &ceilZ, &ceilHit, &floorZ, &floorHit, wd, CLIPMASK0);
GetSpriteExtents(pTempSprite, &top, &bottom);
if (predict.at73 & 2)
{
int vc = 58254;
if (bDepth)
{
if (bUnderwater)
{
int cz = getceilzofslope(nSector, predict.at50, predict.at54);
if (cz > top)
vc += ((bottom-cz)*-80099) / (bottom-top);
else
vc = 0;
}
else
{
int fz = getflorzofslope(nSector, predict.at50, predict.at54);
if (fz < bottom)
vc += ((bottom-fz)*-80099) / (bottom-top);
}
}
else
{
if (bUnderwater)
vc = 0;
else if (bottom >= floorZ)
vc = 0;
}
if (vc)
{
predict.at58 += ((vc*4)/2)>>8;
predict.at64 += vc;
}
}
GetSpriteExtents(pTempSprite, &top, &bottom);
if (bottom >= floorZ)
{
int floorZ2 = floorZ;
int floorHit2 = floorHit;
GetZRange(pTempSprite, &ceilZ, &ceilHit, &floorZ, &floorHit, pSprite->clipdist<<2, CLIPMASK0, PARALLAXCLIP_CEILING|PARALLAXCLIP_FLOOR);
if (bottom <= floorZ && predict.at58-floorZ2 < bz)
{
floorZ = floorZ2;
floorHit = floorHit2;
}
}
if (floorZ <= bottom)
{
predict.at75.florhit = floorHit;
predict.at58 += floorZ-bottom;
int var44 = predict.at64-velFloor[predict.at68];
if (var44 > 0)
{
actFloorBounceVector(&predict.at5c, &predict.at60, &var44, predict.at68, 0);
predict.at64 = var44;
if (klabs(predict.at64) < 0x10000)
{
predict.at64 = velFloor[predict.at68];
predict.at73 &= ~4;
}
else
predict.at73 |= 4;
}
else if (predict.at64 == 0)
predict.at73 &= ~4;
}
else
{
predict.at75.florhit = 0;
if (predict.at73 & 2)
predict.at73 |= 4;
}
if (top <= ceilZ)
{
predict.at75.ceilhit = ceilHit;
predict.at58 += ClipLow(ceilZ-top, 0);
if (predict.at64 <= 0 && (predict.at73&4))
predict.at64 = mulscale16(-predict.at64, 0x2000);
}
else
predict.at75.ceilhit = 0;
GetSpriteExtents(pTempSprite, &top, &bottom);
*pSprite = pSpriteBak;
predict.at6a = ClipLow(floorZ-bottom, 0)>>8;
if (predict.at5c || predict.at60)
{
if ((floorHit & 0xc000) == 0xc000)
{
int nHitSprite = floorHit & 0x3fff;
if ((sprite[nHitSprite].cstat & 0x30) == 0)
{
predict.at5c += mulscale(4, predict.at50 - sprite[nHitSprite].x, 2);
predict.at60 += mulscale(4, predict.at54 - sprite[nHitSprite].y, 2);
return;
}
}
int nXSector = sector[pSprite->sectnum].extra;
if (nXSector > 0 && xsector[nXSector].Underwater)
return;
if (predict.at6a >= 0x100)
return;
int nDrag = gDudeDrag;
if (predict.at6a > 0)
nDrag -= scale(gDudeDrag, predict.at6a, 0x100);
predict.at5c -= mulscale16r(predict.at5c, nDrag);
predict.at60 -= mulscale16r(predict.at60, nDrag);
if (approxDist(predict.at5c, predict.at60) < 0x1000)
predict.at5c = predict.at60 = 0;
}
}
static void fakeActAirDrag(spritetype *, int num)
{
int xvec = 0;
int yvec = 0;
int nSector = predict.at68;
dassert(nSector >= 0 && nSector < kMaxSectors);
sectortype *pSector = &sector[nSector];
int nXSector = pSector->extra;
if (nXSector > 0)
{
dassert(nXSector < kMaxXSectors);
XSECTOR *pXSector = &xsector[nXSector];
if (pXSector->windVel && (pXSector->windAlways || pXSector->busy))
{
int vel = pXSector->windVel<<12;
if (!pXSector->windAlways && pXSector->busy)
vel = mulscale16(vel, pXSector->busy);
xvec = mulscale30(vel, Cos(pXSector->windAng));
yvec = mulscale30(vel, Sin(pXSector->windAng));
}
}
predict.at5c += mulscale16(xvec-predict.at5c, num);
predict.at60 += mulscale16(yvec-predict.at60, num);
predict.at64 -= mulscale16(predict.at64, num);
}
void fakeActProcessSprites(void)
{
spritetype *pSprite = gMe->pSprite;
if (pSprite->statnum == kStatDude)
{
int nXSprite = pSprite->extra;
dassert(nXSprite > 0 && nXSprite < kMaxXSprites);
int nSector = predict.at68;
int nXSector = sector[nSector].extra;
XSECTOR *pXSector = NULL;
if (nXSector > 0)
{
dassert(nXSector > 0 && nXSector < kMaxXSectors);
dassert(xsector[nXSector].reference == nSector);
pXSector = &xsector[nXSector];
}
if (pXSector)
{
int top, bottom;
GetSpriteExtents(pSprite, &top, &bottom);
top += predict.at58 - pSprite->z;
bottom += predict.at58 - pSprite->z;
if (getflorzofslope(nSector, predict.at50, predict.at54) < bottom)
{
int angle = pXSector->panAngle;
int speed = 0;
if (pXSector->panAlways || pXSector->state || pXSector->busy)
{
speed = pXSector->panVel << 9;
if (!pXSector->panAlways && pXSector->busy)
speed = mulscale16(speed, pXSector->busy);
}
if (sector[nSector].floorstat&64)
angle = (GetWallAngle(sector[nSector].wallptr)+512)&2047;
predict.at5c += mulscale30(speed,Cos(angle));
predict.at60 += mulscale30(speed,Sin(angle));
}
}
if (pXSector && pXSector->Underwater)
fakeActAirDrag(pSprite, 5376);
else
fakeActAirDrag(pSprite, 128);
if ((predict.at73 & 4) != 0 || predict.at5c != 0 || predict.at60 != 0 || predict.at64 != 0 || velFloor[predict.at68] != 0 || velCeil[predict.at68] != 0)
{
fakeMoveDude(pSprite);
}
}
}
void viewCorrectPrediction(void)
{
if (numplayers == 1)
{
gViewLook = gMe->q16look;
gViewAngle = gMe->q16ang;
return;
}
spritetype *pSprite = gMe->pSprite;
VIEW *pView = &predictFifo[(gNetFifoTail-1)&255];
if (gMe->q16ang != pView->at30 || pView->at24 != gMe->q16horiz || pView->at50 != pSprite->x || pView->at54 != pSprite->y || pView->at58 != pSprite->z)
{
viewInitializePrediction();
predictOld = gPrevView[myconnectindex];
gPredictTail = gNetFifoTail;
while (gPredictTail < gNetFifoHead[myconnectindex])
{
viewUpdatePrediction(&gFifoInput[gPredictTail&255][myconnectindex]);
}
}
}
END_BLD_NS
Reference in a new issue Copy permalink