raze/source/exhumed/src/object.cpp
2019-11-24 10:03:19 +01:00

2677 lines
64 KiB
C++

//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 sirlemonhead, Nuke.YKT
This file is part of PCExhumed.
PCExhumed 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"
#include "engine.h"
#include "object.h"
#include "exhumed.h"
#include "move.h"
#include "random.h"
#include "view.h"
#include "sound.h"
#include "init.h"
#include "runlist.h"
#include "names.h"
#include "sequence.h"
#include "lighting.h"
#include "anims.h"
#include "items.h"
#include "player.h"
#include "trigdat.h"
#include "bullet.h"
#include <string.h>
#include <assert.h>
BEGIN_PS_NS
#define kMaxBobs 200
#define kMaxDrips 50
#define kMaxMoveSects 50
#define kMaxObjects 128
#define kMaxWallFace 4096
#define kMaxSlideData 128
#define kMaxPoints 1024
#define kMaxTraps 40
#define kMaxTrails 20
#define kMaxTrailPoints 100
static short ObjectSeq[] = {
46, -1, 72, -1
};
static short ObjectStatnum[] = {
kStatExplodeTrigger, kStatExplodeTarget, 98, kStatDestructibleSprite
};
struct Trail
{
short field_0;
short field_2;
short field_4;
short pad;
};
struct TrailPoint
{
int x;
int y;
};
struct Bob
{
short nSector;
char field_2;
char field_3;
int z;
};
struct Drip
{
short nSprite;
short field_2;
};
// 56 bytes
struct Elev
{
short field_0;
short nChannel;
short nSector;
int field_6;
int field_A;
short nCountZOffsets; // count of items in zOffsets
short nCurZOffset;
int zOffsets[8]; // different Z offsets
short field_32;
short nSprite;
short field_36;
};
// 16 bytes
struct MoveSect
{
short nSector;
short nTrail;
short nTrailPoint;
short field_6;
short field_8; // nSector?
int field_10;
short field_14; // nChannel?
};
struct Object
{
short field_0;
short nHealth;
short field_4;
short nSprite;
short field_8;
short field_10;
short field_12;
};
struct wallFace
{
short nChannel;
short nWall;
short field_4;
short field_6[8];
};
// TODO - rename
struct slideData2
{
short nChannel;
short field_2;
short field_4;
short field_6;
short field_8;
uint8_t field_A[6]; // pad?
};
struct slideData
{
int field_0;
int field_4;
int field_8;
int field_C;
int field_10;
int field_14;
int field_18;
int field_1C;
int field_20;
int field_24;
int field_28;
int field_2C;
int field_30;
int field_34;
int field_38;
int field_3C;
};
struct Point
{
short field_0;
short field_2;
short field_4;
short field_6;
short field_8;
short field_A;
short field_C;
short field_E;
};
struct Trap
{
short field_0;
short nSprite;
short nType;
short field_6;
short field_8;
short field_A;
short field_C;
short field_E;
};
Trap sTrap[kMaxTraps];
Bob sBob[kMaxBobs];
Trail sTrail[kMaxTrails];
TrailPoint sTrailPoint[kMaxTrailPoints];
Elev Elevator[kMaxElevs];
Object ObjectList[kMaxObjects];
MoveSect sMoveSect[kMaxMoveSects];
slideData SlideData[kMaxSlideData];
short sMoveDir[kMaxMoveSects];
wallFace WallFace[kMaxWallFace];
slideData2 SlideData2[kMaxSlideData];
Point PointList[kMaxPoints];
short nTrapInterval[kMaxTraps];
short sBobID[kMaxBobs];
short PointCount;
short PointFree[kMaxPoints];
short SlideCount = 0;
short SlideFree[kMaxSlides];
char nTrailPointVal[kMaxTrailPoints];
short nTrailPointPrev[kMaxTrailPoints];
short nTrailPointNext[kMaxTrailPoints];
Drip sDrip[kMaxDrips];
short ElevCount = -1;
short WallFaceCount = -1;
int lFinaleStart;
short nTrailPoints;
short nEnergyBlocks;
short nMoveSects;
short nFinaleStage;
short nTrails;
short nTraps;
short nFinaleSpr;
short ObjectCount;
short nDrips;
short nBobs = 0;
short nDronePitch = 0;
short nSmokeSparks = 0;
// done
void InitObjects()
{
ObjectCount = 0;
nTraps = 0;
nDrips = 0;
nBobs = 0;
nTrails = 0;
nTrailPoints = 0;
nMoveSects = 0;
memset(sTrail, -1, sizeof(sTrail));
nEnergyBlocks = 0;
nDronePitch = 0;
nFinaleStage = 0;
lFinaleStart = 0;
nSmokeSparks = 0;
}
// done
void InitElev()
{
ElevCount = kMaxElevs;
}
// done
int BuildWallSprite(int nSector)
{
int nWall = sector[nSector].wallptr;
int x = wall[nWall].x;
int y = wall[nWall].y;
int x2 = wall[nWall + 1].x;
int y2 = wall[nWall + 1].y;
int nSprite = insertsprite(nSector, 401);
sprite[nSprite].x = (x + x2) / 2;
sprite[nSprite].y = (y + y2) / 2;
sprite[nSprite].z = (sector[nSector].floorz + sector[nSector].ceilingz) / 2;
sprite[nSprite].cstat = 0x8000;
return nSprite;
}
// done
short FindWallSprites(short nSector)
{
int var_24 = 0x7FFFFFFF;
int ecx = 0x7FFFFFFF;
int nWall = sector[nSector].wallptr;
int nWallCount = sector[nSector].wallnum;
int esi = 0x80000002;
int edi = 0x80000002;
int i;
for (i = 0; i < nWallCount; i++)
{
if (wall[nWall].x < var_24) {
var_24 = wall[nWall].x;
}
if (esi < wall[nWall].x) {
esi = wall[nWall].x;
}
if (ecx > wall[nWall].y) {
ecx = wall[nWall].y;
}
if (edi < wall[nWall].y) {
edi = wall[nWall].y;
}
nWall++;
}
ecx -= 5;
esi += 5;
edi += 5;
var_24 -= 5;
int nSprite = -1;
for (i = 0; i < kMaxSprites; i++)
{
if (sprite[i].lotag == 0)
{
if ((sprite[i].cstat & 0x50) == 80)
{
int var_28 = sprite[i].x;
int ebx = sprite[i].y;
if ((var_28 >= var_24) && (esi >= var_28) && (ebx >= ecx) && (ebx <= edi))
{
sprite[i].owner = nSprite;
nSprite = i;
}
}
}
}
if (nSprite < 0)
{
nSprite = insertsprite(nSector, 401);
sprite[nSprite].x = (var_24 + esi) / 2;
sprite[nSprite].y = (ecx + edi) / 2;
sprite[nSprite].z = sector[nSector].floorz;
sprite[nSprite].cstat = 0x8000;
sprite[nSprite].owner = -1;
sprite[nSprite].lotag = 0;
sprite[nSprite].hitag = 0;
}
return nSprite;
}
int BuildElevF(int nChannel, int nSector, int nWallSprite, int arg_4, int arg_5, int nCount, ...)
{
assert(ElevCount > 0);
if (ElevCount <= 0) {
return -1;
}
ElevCount--;
Elevator[ElevCount].field_0 = 2;
Elevator[ElevCount].field_6 = arg_4;
Elevator[ElevCount].field_32 = -1;
Elevator[ElevCount].field_A = arg_5;
Elevator[ElevCount].nChannel = nChannel;
Elevator[ElevCount].nSector = nSector;
Elevator[ElevCount].nCountZOffsets = 0;
Elevator[ElevCount].nCurZOffset = 0;
Elevator[ElevCount].field_36 = 0;
if (nWallSprite < 0) {
nWallSprite = BuildWallSprite(nSector);
}
Elevator[ElevCount].nSprite = nWallSprite;
va_list zlist;
va_start(zlist, nCount);
while (1)
{
if (Elevator[ElevCount].nCountZOffsets >= nCount) {
return ElevCount;
}
int nVal = Elevator[ElevCount].nCountZOffsets;
Elevator[ElevCount].nCountZOffsets++;
Elevator[ElevCount].zOffsets[nVal] = va_arg(zlist, int);
}
va_end(zlist);
return ElevCount;
}
int BuildElevC(int arg1, int nChannel, int nSector, int nWallSprite, int arg5, int arg6, int nCount, ...)
{
int edi = arg5;
assert(ElevCount > 0);
if (ElevCount <= 0) {
return -1;
}
ElevCount--;
Elevator[ElevCount].field_0 = arg1;
if (arg1 & 4)
{
edi = arg5 / 2;
}
Elevator[ElevCount].field_6 = edi;
Elevator[ElevCount].nCountZOffsets = 0;
Elevator[ElevCount].field_36 = 0;
Elevator[ElevCount].nCurZOffset = 0;
Elevator[ElevCount].field_A = arg6;
Elevator[ElevCount].field_32 = -1;
Elevator[ElevCount].nChannel = nChannel;
Elevator[ElevCount].nSector = nSector;
if (nWallSprite < 0) {
nWallSprite = BuildWallSprite(nSector);
}
Elevator[ElevCount].nSprite = nWallSprite;
va_list zlist;
va_start(zlist, nCount);
while (1)
{
if (Elevator[ElevCount].nCountZOffsets >= nCount) {
return ElevCount;
}
int nVal = Elevator[ElevCount].nCountZOffsets;
Elevator[ElevCount].nCountZOffsets++;
Elevator[ElevCount].zOffsets[nVal] = va_arg(zlist, int);
}
va_end(zlist);
return ElevCount;
}
// TODO - tidy me up
// RENAME param A - not always Z
// Confirmed 100% correct with original .exe
int LongSeek(int *pZVal, int a2, int a3, int a4)
{
int v4; // edx@1
int v5; // ebx@2
v4 = a2 - *pZVal;
if (v4 < 0)
{
v5 = -a3;
if (v5 > v4)
v4 = v5;
(*pZVal) += v4;
}
if (v4 > 0)
{
if (a4 < v4)
v4 = a4;
(*pZVal) += v4;
}
return v4;
}
// done
int CheckSectorSprites(short nSector, int nVal)
{
int b = 0;
if (nVal)
{
short nSprite = headspritesect[nSector];
int nZDiff = sector[nSector].floorz - sector[nSector].ceilingz;
while (nSprite != -1)
{
if ((sprite[nSprite].cstat & 0x101) && (nZDiff < GetSpriteHeight(nSprite)))
{
if (nVal != 1) {
return 1;
}
b = 1;
runlist_DamageEnemy(nSprite, -1, 5);
if (sprite[nSprite].statnum == 100 && PlayerList[GetPlayerFromSprite(nSprite)].nHealth <= 0)
{
PlayFXAtXYZ(StaticSound[kSoundJonFDie],
sprite[nSprite].x,
sprite[nSprite].y,
sprite[nSprite].z,
sprite[nSprite].sectnum | 0x40FF); // TODO - check last param??
}
}
nSprite = nextspritesect[nSprite];
}
}
else
{
for (int i = headspritesect[nSector]; i != -1; i = nextspritesect[i])
{
if (sprite[i].cstat & 0x101) {
return 1;
}
}
b = 0;
}
return b;
}
// done
void MoveSectorSprites(int nSector, int z)
{
int nSprite = headspritesect[nSector];
while (nSprite != -1)
{
if (sprite[nSprite].statnum != 200) {
sprite[nSprite].z += z;
}
nSprite = nextspritesect[nSprite];
}
}
void StartElevSound(short nSprite, int nVal)
{
short nSound;
if (nVal & 2) {
nSound = nElevSound;
}
else {
nSound = nStoneSound;
}
D3PlayFX(StaticSound[nSound], nSprite);
}
void FuncElev(int a, int b, int nRun)
{
short nElev = RunData[nRun].nVal;
assert(nElev >= 0 && nElev < kMaxElevs);
short nChannel = Elevator[nElev].nChannel;
short var_18 = Elevator[nElev].field_0;
RunChannel *pRunChannel = &sRunChannels[nChannel];
assert(nChannel >= 0 && nChannel < kMaxChannels);
int nMessage = a & 0x7F0000;
if (nMessage < 0x10000) {
return;
}
// int var_24 = var_18 & 0x10; // floor based?
switch (nMessage)
{
default:
{
return;
}
case 0x10000:
{
// short ax = var_18 & 8;
short dx = sRunChannels[nChannel].c;
int edi = 999; // FIXME CHECKME - this isn't default set to anything in the ASM that I can see - if ax is 0 and var_24 is 0, this will never be set to a known value otherwise!
if (var_18 & 0x8)
{
if (dx) {
edi = 1;
}
else {
edi = 0;
}
}
else
{
// loc_20D48:
if (var_18 & 0x10) // was var_24
{
if (Elevator[nElev].field_32 < 0)
{
Elevator[nElev].field_32 = runlist_AddRunRec(NewRun, RunData[nRun].nMoves);
StartElevSound(Elevator[nElev].nSprite, var_18);
edi = 1;
}
}
else
{
if (dx < 0) {
edi = 0;
}
else
{
if (dx == Elevator[nElev].nCurZOffset || dx >= Elevator[nElev].nCountZOffsets)
{
Elevator[nElev].field_36 = dx;
edi = 1;
}
else
{
Elevator[nElev].nCurZOffset = sRunChannels[nChannel].c;
edi = 1;
}
}
}
}
assert(edi != 999);
// loc_20DF9:
if (edi)
{
if (Elevator[nElev].field_32 < 0)
{
Elevator[nElev].field_32 = runlist_AddRunRec(NewRun, RunData[nRun].nMoves);
StartElevSound(Elevator[nElev].nSprite, var_18);
}
}
else
{
//loc_20E4E:
if (Elevator[nElev].field_32 >= 0)
{
runlist_SubRunRec(Elevator[nElev].field_32);
Elevator[nElev].field_32 = -1;
}
}
return;
}
case 0x20000:
{
short nSector = Elevator[nElev].nSector;
short di = Elevator[nElev].nSprite;
int ebp = 0; // initialise to *something*
if (var_18 & 0x2)
{
int nZOffset = Elevator[nElev].nCurZOffset;
int nZVal = Elevator[nElev].zOffsets[nZOffset];
short nSectorB = nSector;
int nVal = LongSeek((int*)&sector[nSector].floorz, nZVal, Elevator[nElev].field_6, Elevator[nElev].field_A);
ebp = nVal;
if (!nVal)
{
if (var_18 & 0x10)
{
Elevator[nElev].nCurZOffset ^= 1;
StartElevSound(di, var_18);
}
else
{
StopSpriteSound(di);
runlist_SubRunRec(nRun);
Elevator[nElev].field_32 = -1;
runlist_ReadyChannel(nChannel);
D3PlayFX(StaticSound[nStopSound], Elevator[nElev].nSprite);
}
}
else
{
assert(nSector == nSectorB);
MoveSectorSprites(nSector, nVal);
if (nVal < 0 && CheckSectorSprites(nSector, 2))
{
runlist_ChangeChannel(nChannel, sRunChannels[nChannel].c == 0);
return;
}
}
}
else
{
// loc_20FC3:
int ceilZ = sector[nSector].ceilingz;
sectortype *var_28 = &sector[nSector];
int nZOffset = Elevator[nElev].nCurZOffset;
int zVal = Elevator[nElev].zOffsets[nZOffset];
int nVal = LongSeek(&ceilZ, zVal, Elevator[nElev].field_6, Elevator[nElev].field_A);
ebp = nVal;
if (!nVal)
{
if (var_18 & 0x10)
{
Elevator[nElev].nCurZOffset ^= 1;
StartElevSound(Elevator[nElev].nSprite, var_18);
}
else
{
runlist_SubRunRec(nRun);
Elevator[nElev].field_32 = -1;
StopSpriteSound(Elevator[nElev].nSprite);
D3PlayFX(StaticSound[nStopSound], Elevator[nElev].nSprite);
runlist_ReadyChannel(nChannel);
}
return;
}
else if (nVal > 0)
{
if (ceilZ == zVal)
{
if (var_18 & 0x4) {
SetQuake(di, 30);
}
PlayFXAtXYZ(StaticSound[kSound26], sprite[di].x, sprite[di].y, sprite[di].z, sprite[di].sectnum);
}
if (var_18 & 0x4)
{
if (CheckSectorSprites(nSector, 1)) {
return;
}
}
else
{
if (CheckSectorSprites(nSector, 0))
{
runlist_ChangeChannel(nChannel, sRunChannels[nChannel].c == 0);
return;
}
}
}
var_28->ceilingz = ceilZ;
}
// maybe this doesn't go here?
while (di != -1)
{
sprite[di].z += ebp;
di = sprite[di].owner;
}
return;
}
}
}
// done
void InitWallFace()
{
WallFaceCount = kMaxWallFace;
}
int BuildWallFace(short nChannel, short nWall, short nCount, ...)
{
if (WallFaceCount <= 0) {
I_Error("Too many wall faces!\n");
}
WallFaceCount--;
WallFace[WallFaceCount].field_4 = 0;
WallFace[WallFaceCount].nWall = nWall;
WallFace[WallFaceCount].nChannel = nChannel;
if (nCount > 8) {
nCount = 8;
}
va_list piclist;
va_start(piclist, nCount);
while (WallFace[WallFaceCount].field_4 < nCount)
{
int i = WallFace[WallFaceCount].field_4;
WallFace[WallFaceCount].field_4++;
WallFace[WallFaceCount].field_6[i] = (short)va_arg(piclist, int);
}
va_end(piclist);
return WallFaceCount | 0x70000;
}
// Confirmed 100% correct with original .exe
void FuncWallFace(int a, int b, int nRun)
{
int nWallFace = RunData[nRun].nVal;
assert(nWallFace >= 0 && nWallFace < kMaxWallFace);
short nChannel = WallFace[nWallFace].nChannel;
if ((a & 0x7F0000) != 0x10000)
return;
short si = sRunChannels[nChannel].c;
if ((si <= WallFace[nWallFace].field_4) && (si >= 0))
{
wall[WallFace[nWallFace].nWall].picnum = WallFace[nWallFace].field_6[si];
}
}
// done
void InitPoint()
{
PointCount = 0;
for (int i = 0; i < kMaxPoints; i++) {
PointFree[i] = i;
}
}
// done
int GrabPoint()
{
return PointFree[PointCount++];
}
// done
void InitSlide()
{
SlideCount = kMaxSlides;
for (int i = 0; i < kMaxSlides; i++) {
SlideFree[i] = i;
}
}
int IdentifySector(int nVal)
{
for (int i = 0; i < numsectors; i++)
{
for (int j = 0; ; j++)
{
if (j < sector[i].wallnum)
{
int nWall = sector[i].wallptr;
if (nWall + j == nVal)
return i;
}
else {
break;
}
}
}
return -1;
}
int BuildSlide(int nChannel, int edx, int ebx, int ecx, int arg1, int arg2, int arg3)
{
int var_1C = edx;
int ebp = ebx;
int nVal = ecx;
if (SlideCount <= 0) {
I_Error("Too many slides!\n");
return -1;
}
SlideCount--;
int nSlide = SlideCount;
short nSector = IdentifySector(var_1C);
SlideData2[nSlide].field_4 = -1;
SlideData2[nSlide].nChannel = nChannel;
SlideData2[nSlide].field_2 = -1;
int nPoint = GrabPoint();
SlideData2[nSlide].field_2 = nPoint;
PointList[nPoint].field_E = -1;
PointList[nPoint].field_0 = nSector;
short startwall = sector[nSector].wallptr;
short endwall = startwall + sector[nSector].wallnum;
for (int nWall = startwall; nWall < endwall; nWall++)
{
short ax = SlideData2[nSlide].field_2;
if (ax >= 0)
{
while (ax >= 0)
{
if (wall[nWall].nextsector == PointList[ax].field_0) {
break;
}
ax = PointList[ax].field_E;
}
}
else
{
if (wall[nWall].nextsector >= 0)
{
nPoint = GrabPoint();
PointList[nPoint].field_E = SlideData2[nSlide].field_2;
PointList[nPoint].field_0 = wall[nWall].nextsector;
SlideData2[nSlide].field_2 = nPoint;
}
}
}
SlideData[nSlide].field_0 = var_1C;
SlideData[nSlide].field_8 = arg1;
SlideData[nSlide].field_C = arg2;
SlideData[nSlide].field_10 = wall[var_1C].x;
SlideData[nSlide].field_14 = wall[var_1C].y;
SlideData[nSlide].field_1C = wall[arg1].y;
SlideData[nSlide].field_18 = wall[arg1].x;
SlideData[nSlide].field_24 = wall[ebp].y;
SlideData[nSlide].field_20 = wall[ebp].x;
SlideData[nSlide].field_2C = wall[arg2].y;
SlideData[nSlide].field_28 = wall[arg2].x;
SlideData[nSlide].field_34 = wall[nVal].y;
SlideData[nSlide].field_4 = ebp;
SlideData[nSlide].field_30 = wall[nVal].x;
SlideData[nSlide].field_38 = wall[arg3].x;
SlideData[nSlide].field_3C = wall[arg3].y;
int nSprite = insertsprite(nSector, 899);
SlideData2[nSlide].field_6 = nSprite;
sprite[nSprite].cstat = 0x8000;
sprite[nSprite].x = wall[var_1C].x;
sprite[nSprite].y = wall[var_1C].y;
sprite[nSprite].z = sector[nSector].floorz;
SlideData2[nSlide].field_8 = 0;
return nSlide | 0x80000;
}
void FuncSlide(int a, int b, int c)
{
int nSlide = RunData[c].nVal;
assert(nSlide >= 0 && nSlide < kMaxSlides);
short nChannel = SlideData2[nSlide].nChannel;
int nMessage = a & 0x7F0000;
int ebp = 0;
short cx = sRunChannels[nChannel].c;
switch (nMessage)
{
case 0x10000:
{
if (SlideData2[nSlide].field_4 >= 0)
{
runlist_SubRunRec(SlideData2[nSlide].field_4);
SlideData2[nSlide].field_4 = -1;
}
if (sRunChannels[nChannel].c && sRunChannels[nChannel].c != 1) {
return;
}
SlideData2[nSlide].field_4 = runlist_AddRunRec(NewRun, RunData[c].nMoves);
if (SlideData2[nSlide].field_8 != sRunChannels[nChannel].c)
{
D3PlayFX(StaticSound[kSound23], SlideData2[nSlide].field_6);
SlideData2[nSlide].field_8 = sRunChannels[nChannel].c;
}
return;
}
case 0x20000:
{
int clipmask = ebp + 1; // RENAME
if (cx == 1)
{
short nWall = SlideData[nSlide].field_4;
int x = wall[nWall].x;
int y = wall[nWall].y;
int nSeekA = LongSeek(&x, SlideData[nSlide].field_30, 20, 20);
int var_34 = nSeekA;
int var_20 = nSeekA;
int nSeekB = LongSeek(&y, SlideData[nSlide].field_34, 20, 20);
int var_2C = nSeekB;
int var_24 = nSeekB;
dragpoint(SlideData[nSlide].field_4, x, y, 0);
movesprite(SlideData2[nSlide].field_6, var_34 << 14, var_2C << 14, 0, 0, 0, CLIPMASK1);
if (var_34 == 0)
{
if (var_2C == 0)
{
ebp = clipmask;
}
}
nWall = SlideData[nSlide].field_0;
y = wall[nWall].y + var_24;
x = wall[nWall].x + var_20;
dragpoint(SlideData[nSlide].field_0, x, y, 0);
nWall = SlideData[nSlide].field_C;
x = wall[nWall].x;
y = wall[nWall].y;
int nSeekC = LongSeek(&x, SlideData[nSlide].field_38, 20, 20);
int var_30 = nSeekC;
var_20 = nSeekC;
int nSeekD = LongSeek(&y, SlideData[nSlide].field_3C, 20, 20);
int edi = nSeekD;
var_24 = nSeekD;
dragpoint(SlideData[nSlide].field_C, x, y, 0);
if (var_30 == 0 && edi == 0) {
ebp++;
}
nWall = SlideData[nSlide].field_8;
x = wall[nWall].x + var_20;
y = wall[nWall].y + var_24;
dragpoint(SlideData[nSlide].field_8, x, y, 0);
}
else if (cx == 0) // right branch
{
short nWall = SlideData[nSlide].field_0;
int x = wall[nWall].x;
int y = wall[nWall].y;
int nSeekA = LongSeek(&x, SlideData[nSlide].field_10, 20, 20);
int edi = nSeekA;
int var_1C = nSeekA;
int nSeekB = LongSeek(&y, SlideData[nSlide].field_14, 20, 20);
int ecx = nSeekB;
int var_28 = nSeekB;
dragpoint(SlideData[nSlide].field_0, x, y, 0);
if (edi == 0 && ecx == 0) {
ebp = clipmask;
}
nWall = SlideData[nSlide].field_4;
y = wall[nWall].y + var_28;
x = wall[nWall].x + var_1C;
dragpoint(SlideData[nSlide].field_4, x, y, 0);
nWall = SlideData[nSlide].field_8;
x = wall[nWall].x;
y = wall[nWall].y;
int nSeekC = LongSeek(&x, SlideData[nSlide].field_18, 20, 20);
edi = nSeekC;
var_1C = nSeekC;
int nSeekD = LongSeek(&y, SlideData[nSlide].field_1C, 20, 20);
ecx = nSeekD;
var_28 = nSeekD;
dragpoint(SlideData[nSlide].field_8, x, y, 0);
if (edi == 0 && ecx == 0) {
ebp++;
}
nWall = SlideData[nSlide].field_C;
y = wall[nWall].y + var_28;
x = wall[nWall].x + var_1C;
dragpoint(SlideData[nSlide].field_C, x, y, 0);
}
// loc_21A51:
if (ebp >= 2)
{
runlist_SubRunRec(SlideData2[nSlide].field_4);
SlideData2[nSlide].field_4 = -1;
D3PlayFX(StaticSound[nStopSound], SlideData2[nSlide].field_6);
runlist_ReadyChannel(nChannel);
}
return;
}
}
}
int BuildTrap(int nSprite, int edx, int ebx, int ecx)
{
int var_14 = edx;
int var_18 = ebx;
int var_10 = ecx;
if (nTraps >= kMaxTraps) {
I_Error("Too many traps!\n");
}
short nTrap = nTraps;
nTraps++;
changespritestat(nSprite, 0);
sprite[nSprite].cstat = 0x8000;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
sprite[nSprite].extra = -1;
sprite[nSprite].lotag = runlist_HeadRun() + 1;
sprite[nSprite].hitag = runlist_AddRunRec(NewRun, nTrap | 0x1F0000);
sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nTrap | 0x1F0000);
// GrabTimeSlot(3);
sTrap[nTrap].nSprite = nSprite;
sTrap[nTrap].nType = (var_14 == 0) + 14;
sTrap[nTrap].field_0 = -1;
nTrapInterval[nTrap] = 64 - (2 * var_10);
if (nTrapInterval[nTrap] < 5) {
nTrapInterval[nTrap] = 5;
}
sTrap[nTrap].field_C = 0;
sTrap[nTrap].field_A = 0;
if (var_18 == -1) {
return nTrap | 0x1F0000;
}
sTrap[nTrap].field_6 = -1;
sTrap[nTrap].field_8 = -1;
short nSector = sprite[nSprite].sectnum;
short nWall = sector[nSector].wallptr;
int i = 0;
while (1)
{
if (sector[nSector].wallnum >= i) {
return nTrap | 0x1F0000;
}
if (var_18 == wall[nWall].hitag)
{
if (sTrap[nTrap].field_6 != -1)
{
sTrap[nTrap].field_8 = nWall;
sTrap[nTrap].field_C = wall[nWall].picnum;
return nTrap | 0x1F0000;
}
else
{
sTrap[nTrap].field_6 = nWall;
sTrap[nTrap].field_A = wall[nWall].picnum;
}
}
ecx++;
nWall++;
}
}
void FuncTrap(int a, int b, int nRun)
{
short nTrap = RunData[nRun].nVal;
short nSprite = sTrap[nTrap].nSprite;
int nMessage = a & 0x7F0000;
switch (nMessage)
{
case 0x10000:
{
short nChannel = a & 0x3FFF;
if (sRunChannels[nChannel].c > 0)
{
sTrap[nTrap].field_0 = 12;
}
else
{
sTrap[nTrap].field_0 = -1;
}
return;
}
case 0x20000:
{
if (sTrap[nTrap].field_0 >= 0)
{
sTrap[nTrap].field_0--;
if (sTrap[nTrap].field_0 > 10) {
return;
}
short nType = sTrap[nTrap].nType;
if (sTrap[nTrap].field_0 == 0)
{
sTrap[nTrap].field_0 = nTrapInterval[nTrap];
if (nType == 14)
{
short nWall = sTrap[nTrap].field_6;
if (nWall > -1)
{
wall[nWall].picnum = sTrap[nTrap].field_A;
}
nWall = sTrap[nTrap].field_8;
if (nWall > -1)
{
wall[nWall].picnum = sTrap[nTrap].field_C;
}
}
}
else
{
// loc_21D92:
if (sTrap[nTrap].field_0 != 5) {
return;
}
int nBullet = BuildBullet(nSprite, nType, 0, 0, 0, sprite[nSprite].ang, 0, 1);
if (nBullet > -1)
{
short nBulletSprite = nBullet & 0xFFFF; // isolate the sprite index (disregard top 16 bits)
assert(nBulletSprite >= 0);
if (nType == 15)
{
sprite[nBulletSprite].ang = (sprite[nBulletSprite].ang - 512) & kAngleMask;
D3PlayFX(StaticSound[kSound32], nSprite);
}
else
{
sprite[nBulletSprite].clipdist = 50;
short nWall = sTrap[nTrap].field_6;
if (nWall > -1)
{
wall[nWall].picnum = sTrap[nTrap].field_A + 1;
}
nWall = sTrap[nTrap].field_8;
if (nWall > -1)
{
wall[nWall].picnum = sTrap[nTrap].field_C + 1;
}
D3PlayFX(StaticSound[kSound36], nSprite);
}
}
}
}
return;
}
case 0x30000:
case 0x90000:
case 0x80000:
case 0xA0000:
return;
default:
DebugOut("unknown msg %d for trap\n", a & 0x7F0000);
return;
}
}
int BuildArrow(int nSprite, int nVal)
{
return BuildTrap(nSprite, 0, -1, nVal);
}
int BuildFireBall(int nSprite, int a, int b)
{
return BuildTrap(nSprite, 1, a, b);
}
int BuildSpark(int nSprite, int nVal)
{
int var_14 = insertsprite(sprite[nSprite].sectnum, 0);
if (var_14 < 0) {
return -1;
}
assert(var_14 < kMaxSprites);
sprite[var_14].x = sprite[nSprite].x;
sprite[var_14].y = sprite[nSprite].y;
sprite[var_14].cstat = 0;
sprite[var_14].shade = -127;
sprite[var_14].pal = 1;
sprite[var_14].xoffset = 0;
sprite[var_14].yoffset = 0;
sprite[var_14].xrepeat = 50;
sprite[var_14].yrepeat = 50;
if (nVal >= 2)
{
sprite[var_14].picnum = kEnergy2;
nSmokeSparks++;
if (nVal == 3)
{
sprite[var_14].xrepeat = 120;
sprite[var_14].yrepeat = 120;
}
else
{
sprite[var_14].xrepeat = sprite[nSprite].xrepeat + 15;
sprite[var_14].yrepeat = sprite[nSprite].xrepeat + 15;
}
}
else
{
int nAngle = (sprite[nSprite].ang + 256) - RandomSize(9);
if (nVal)
{
sprite[var_14].xvel = Sin(nAngle + 512) >> 5;
sprite[var_14].yvel = Sin(nAngle) >> 5;
}
else
{
sprite[var_14].xvel = Sin(nAngle + 512) >> 6;
sprite[var_14].yvel = Sin(nAngle) >> 6;
}
sprite[var_14].zvel = -(RandomSize(4) << 7);
sprite[var_14].picnum = nVal + 985;
}
sprite[var_14].z = sprite[nSprite].z;
sprite[var_14].lotag = runlist_HeadRun() + 1;
sprite[var_14].clipdist = 1;
sprite[var_14].hitag = 0;
// GrabTimeSlot(3);
sprite[var_14].extra = -1;
sprite[var_14].owner = runlist_AddRunRec(sprite[var_14].lotag - 1, var_14 | 0x260000);
sprite[var_14].hitag = runlist_AddRunRec(NewRun, var_14 | 0x260000);
return var_14;
}
void FuncSpark(int a, int b, int nRun)
{
int nSprite = RunData[nRun].nVal;
assert(nSprite >= 0 && nSprite < kMaxSprites);
int nMessage = a & 0x7F0000;
if (nMessage != 0x20000) {
return;
}
sprite[nSprite].shade += 3;
sprite[nSprite].xrepeat -= 2;
if (sprite[nSprite].xrepeat >= 4 && sprite[nSprite].shade <= 100)
{
sprite[nSprite].yrepeat -= 2;
if (sprite[nSprite].picnum == kTile986 && (sprite[nSprite].xrepeat & 2))
{
BuildSpark(nSprite, 2);
}
if (sprite[nSprite].picnum >= kTile3000) {
return;
}
sprite[nSprite].zvel += 128;
int nMov = movesprite(nSprite, sprite[nSprite].xvel << 12, sprite[nSprite].yvel << 12, sprite[nSprite].zvel, 2560, -2560, CLIPMASK1);
if (!nMov) {
return;
}
if (sprite[nSprite].zvel <= 0) {
return;
}
}
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
if (sprite[nSprite].picnum > kTile3000) {
nSmokeSparks--;
}
runlist_DoSubRunRec(sprite[nSprite].owner);
runlist_FreeRun(sprite[nSprite].lotag - 1);
runlist_SubRunRec(sprite[nSprite].hitag);
mydeletesprite(nSprite);
}
void DimLights()
{
static short word_96786 = 0;
word_96786 = word_96786 == 0;
if (word_96786 == 0)
return;
for (int i = 0; i < numsectors; i++)
{
if (sector[i].ceilingshade < 100)
sector[i].ceilingshade++;
if (sector[i].floorshade < 100)
sector[i].floorshade++;
int nWall = sector[i].wallptr;
while (nWall < nWall + sector[i].wallnum)
{
if (wall[nWall].shade < 100)
wall[nWall].shade++;
}
}
}
void DoFinale()
{
static int dword_96788 = 0;
static int dword_1542FC = 0;
if (!lFinaleStart)
return;
dword_96788++;
if (dword_96788 < 90)
{
if (!(dword_96788 & 2))
{
int nAng = RandomSize(11);
sprite[nFinaleSpr].ang = nAng;
BuildSpark(nFinaleSpr, 1);
}
if (!RandomSize(2))
{
PlayFX2(StaticSound[kSound78] | 0x2000, nFinaleSpr);
for (int i = 0; i < nTotalPlayers; i++) {
nQuake[i] = 1280;
}
}
}
else
{
DimLights();
if (nDronePitch <= -2400)
{
if (nFinaleStage < 2)
{
if (nFinaleStage == 1)
{
StopLocalSound();
PlayLocalSound(StaticSound[kSound76], 0);
dword_1542FC = (int)totalclock + 120;
++nFinaleStage;
}
}
else if (nFinaleStage <= 2)
{
if ((int)totalclock >= dword_1542FC)
{
PlayLocalSound(StaticSound[kSound77], 0);
nFinaleStage++;
dword_1542FC = (int)totalclock + 360;
}
}
else if (nFinaleStage == 3 && (int)totalclock >= dword_1542FC)
{
FinishLevel();
}
}
else
{
nDronePitch -= 128;
BendAmbientSound();
nFinaleStage = 1;
}
}
}
int BuildEnergyBlock(short nSector)
{
short startwall = sector[nSector].wallptr;
int x = 0;
int y = 0;
for (int i = 0; i < sector[nSector].wallnum; i++)
{
x += wall[startwall + i].x;
y += wall[startwall + i].y;
// wall[startwall + i].picnum = kTile3621;
wall[startwall + i].pal = 0;
wall[startwall + i].shade = 50;
}
int xAvg = x / 2;
int yAvg = y / 2;
int nSprite = insertsprite(nSector, 406);
short nextsector = wall[startwall].nextsector;
sprite[nSprite].x = xAvg;
sprite[nSprite].y = yAvg;
sector[nSector].extra = nSprite;
// GrabTimeSlot(3);
sprite[nSprite].z = sector[nextsector].floorz;
// CHECKME - name of this variable?
int nRepeat = (sprite[nSprite].z - sector[nSector].floorz) >> 8;
if (nRepeat > 255) {
nRepeat = 255;
}
sprite[nSprite].xrepeat = nRepeat;
sprite[nSprite].cstat = 0x8000;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
sprite[nSprite].extra = -1;
sprite[nSprite].lotag = runlist_HeadRun() + 1;
sprite[nSprite].hitag = 0;
sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nSprite | 0x250000);
nEnergyBlocks++;
return nSprite | 0x250000;
}
// TODO - tidy
void KillCreatures()
{
signed int v0;
signed int v1;
int i;
v0 = 99;
v1 = 99;
while (1)
{
if (v0 != 100)
{
for (i = headspritestat[v1]; i != -1; i = nextspritestat[i])
{
runlist_DamageEnemy(i, -1, 1600);
}
}
++v0;
++v1;
if (v0 > 107) {
return;
}
}
}
void ExplodeEnergyBlock(int nSprite)
{
short nSector = sprite[nSprite].sectnum;
short startwall = sector[nSector].wallptr;
short nWalls = sector[nSector].wallnum;
int i;
for (i = 0; i < nWalls; i++)
{
short nextwall = wall[startwall + i].nextwall;
if (wall[nextwall].pal >= 4) {
wall[nextwall].pal = 7;
}
else {
wall[nextwall].pal = 0;
}
wall[nextwall].shade = 50;
}
if (sector[nSector].floorpal >= 4) {
sector[nSector].floorpal = 7;
}
else {
sector[nSector].floorpal = 0;
}
sector[nSector].floorshade = 50;
sector[nSector].extra = -1;
sector[nSector].floorz = sprite[nSprite].z;
sprite[nSprite].z = (sprite[nSprite].z + sector[nSector].floorz) / 2;
BuildSpark(nSprite, 3);
sprite[nSprite].cstat = 0;
sprite[nSprite].xrepeat = 100;
PlayFX2(StaticSound[kSound78], nSprite);
sprite[nSprite].xrepeat = 0;
nEnergyTowers--;
for (i = 0; i < 20; i++)
{
sprite[nSprite].ang = RandomSize(11);
BuildSpark(nSprite, 1);
}
TintPalette(64, 64, 64);
if (nEnergyTowers == 1)
{
runlist_ChangeChannel(nEnergyChan, nEnergyTowers);
StatusMessage(1000, "TAKE OUT THE CONTROL CENTER!");
}
else if (nEnergyTowers != 0)
{
StatusMessage(500, "%d TOWERS REMAINING", nEnergyTowers);
}
else
{
nFinaleSpr = nSprite;
lFinaleStart = (int)totalclock;
if (!lFinaleStart) {
lFinaleStart = lFinaleStart + 1;
}
for (i = 0; i < numsectors; i++)
{
if (sector[i].ceilingpal == 1) {
sector[i].ceilingpal = 0;
}
if (sector[i].floorpal == 1) {
sector[i].floorpal = 0;
}
short startwall = sector[i].wallptr;
short endwall = startwall + sector[i].wallnum;
for (int nWall = startwall; nWall < endwall; nWall++)
{
if (wall[nWall].pal == 1) {
wall[nWall].pal = 0;
}
}
}
KillCreatures();
}
changespritestat(nSprite, 0);
}
void FuncEnergyBlock(int a, int nDamage, int nRun)
{
short nSprite = RunData[nRun].nVal;
int nMessage = a & 0x7F0000;
switch (nMessage)
{
case 0x20000:
case 0x30000:
case 0x90000:
{
return;
}
case 0xA0000:
{
short nSector = sprite[nSprite].sectnum;
if (sector[nSector].extra == -1) {
return;
}
int nFloorZ = sector[nSector].floorz;
sector[nSector].floorz = sprite[nSprite].z;
sprite[nSprite].z -= 256;
nDamage = runlist_CheckRadialDamage(nSprite);
// restore previous values
sector[nSector].floorz = nFloorZ;
sprite[nSprite].z += 256;
if (nDamage <= 0) {
return;
}
// fall through to case 0x80000
}
case 0x80000:
{
nDamage >>= 2;
if (nDamage <= 0) {
return;
}
if (nDamage < sprite[nSprite].xrepeat)
{
sprite[nSprite].xrepeat -= nDamage;
int nSprite2 = insertsprite(lasthitsect, 0);
sprite[nSprite2].ang = a & 0xFFFF;
sprite[nSprite2].x = lasthitx;
sprite[nSprite2].y = lasthity;
sprite[nSprite2].z = lasthitz;
BuildSpark(nSprite2, 0);
mydeletesprite(nSprite2);
}
else
{
sprite[nSprite].xrepeat = 0;
ExplodeEnergyBlock(nSprite);
}
return;
}
}
}
int BuildObject(short nSprite, int nOjectType, int nHitag)
{
if (ObjectCount >= kMaxObjects) {
I_Error("Too many objects!\n");
}
short nObject = ObjectCount;
ObjectCount++;
changespritestat(nSprite, ObjectStatnum[nOjectType]);
// 0x7FFD to ensure set as blocking ('B' and 'H') sprite and also disable translucency and set not invisible
sprite[nSprite].cstat = (sprite[nSprite].cstat | 0x101) & 0x7FFD;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
sprite[nSprite].extra = -1;
sprite[nSprite].lotag = runlist_HeadRun() + 1;
sprite[nSprite].hitag = 0;
sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nObject | 0x170000);
// GrabTimeSlot(3);
if (sprite[nSprite].statnum == kStatDestructibleSprite) {
ObjectList[nObject].nHealth = 4;
}
else {
ObjectList[nObject].nHealth = 120;
}
ObjectList[nObject].nSprite = nSprite;
ObjectList[nObject].field_4 = runlist_AddRunRec(NewRun, nObject | 0x170000);
short nSeq = ObjectSeq[nOjectType];
if (nSeq <= -1)
{
ObjectList[nObject].field_0 = 0;
ObjectList[nObject].field_8 = -1;
if (sprite[nSprite].statnum == kStatDestructibleSprite) {
ObjectList[nObject].field_10 = -1;
}
else {
ObjectList[nObject].field_10 = -nHitag;
}
}
else
{
ObjectList[nObject].field_8 = SeqOffsets[nSeq];
if (!nOjectType) // if not Explosion Trigger (e.g. Exploding Fire Cauldron)
{
ObjectList[nObject].field_0 = RandomSize(4) % (SeqSize[nSeq] - 1);
}
int nSprite2 = insertsprite(sprite[nSprite].sectnum, 0);
ObjectList[nObject].field_10 = nSprite2;
sprite[nSprite2].cstat = 0x8000;
sprite[nSprite2].x = sprite[nSprite].x;
sprite[nSprite2].y = sprite[nSprite].y;
sprite[nSprite2].z = sprite[nSprite].z;
}
return nObject | 0x170000;
}
void ExplodeScreen(short nSprite)
{
sprite[nSprite].z -= GetSpriteHeight(nSprite) / 2;
for (int i = 0; i < 30; i++) {
BuildSpark(nSprite, 0);
}
sprite[nSprite].cstat = 0x8000;
PlayFX2(StaticSound[kSound78], nSprite);
}
void FuncObject(int a, int b, int nRun)
{
short nObject = RunData[nRun].nVal;
short nSprite = ObjectList[nObject].nSprite;
short nStat = sprite[nSprite].statnum;
short bx = ObjectList[nObject].field_8;
int nMessage = a & 0x7F0000;
switch (nMessage)
{
default:
{
DebugOut("unknown msg %d for Object\n", a & 0x7F0000);
return;
}
case 0x30000:
return;
case 0x80000:
{
if (nStat >= 150 || ObjectList[nObject].nHealth <= 0) {
return;
}
if (nStat == 98)
{
D3PlayFX((StaticSound[kSound47] | 0x2000) | (RandomSize(2) << 9), nSprite);
return;
}
ObjectList[nObject].nHealth -= (short)b;
if (ObjectList[nObject].nHealth > 0) {
return;
}
if (nStat == kStatDestructibleSprite)
{
ExplodeScreen(nSprite);
}
else
{
ObjectList[nObject].nHealth = -(RandomSize(3) + 1);
}
return;
}
case 0x90000:
{
if (bx > -1)
{
seq_PlotSequence(a & 0xFFFF, bx, ObjectList[nObject].field_0, 1);
}
return;
}
case 0xA0000:
{
if (ObjectList[nObject].nHealth > 0 && sprite[nSprite].cstat & 0x101
&& (nStat != kStatExplodeTarget
|| sprite[nRadialSpr].statnum == 201
|| nRadialBullet != 3 && nRadialBullet > -1
|| sprite[nRadialSpr].statnum == kStatExplodeTrigger))
{
int nDamage = runlist_CheckRadialDamage(nSprite);
if (nDamage <= 0) {
return;
}
if (sprite[nSprite].statnum != kStat98) {
ObjectList[nObject].nHealth -= nDamage;
}
if (sprite[nSprite].statnum == kStatExplodeTarget)
{
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
}
else if (sprite[nSprite].statnum != kStat98)
{
sprite[nSprite].xvel >>= 1;
sprite[nSprite].yvel >>= 1;
sprite[nSprite].zvel >>= 1;
}
if (ObjectList[nObject].nHealth > 0) {
return;
}
if (sprite[nSprite].statnum == kStatExplodeTarget)
{
ObjectList[nObject].nHealth = -1;
short ax = ObjectList[nObject].field_10;
if (ax < 0 || ObjectList[ax].nHealth <= 0) {
return;
}
ObjectList[ax].nHealth = -1;
}
else if (sprite[nSprite].statnum == kStatDestructibleSprite)
{
ObjectList[nObject].nHealth = 0;
ExplodeScreen(nSprite);
}
else
{
ObjectList[nObject].nHealth = -(RandomSize(4) + 1);
}
}
return;
}
case 0x20000:
{
if (nStat == 97 || (!(sprite[nSprite].cstat & 0x101))) {
return;
}
if (nStat != kStatExplodeTarget) {
Gravity(nSprite);
}
// do animation
if (bx != -1)
{
ObjectList[nObject].field_0++;
if (ObjectList[nObject].field_0 >= SeqSize[bx]) {
ObjectList[nObject].field_0 = 0;
}
sprite[nSprite].picnum = seq_GetSeqPicnum2(bx, ObjectList[nObject].field_0);
}
if (ObjectList[nObject].nHealth >= 0) {
goto FUNCOBJECT_GOTO;
}
ObjectList[nObject].nHealth++;
if (ObjectList[nObject].nHealth)
{
FUNCOBJECT_GOTO:
if (nStat != kStatExplodeTarget)
{
int nMov = movesprite(nSprite, sprite[nSprite].xvel << 6, sprite[nSprite].yvel << 6, sprite[nSprite].zvel, 0, 0, CLIPMASK0);
if (sprite[nSprite].statnum == kStatExplodeTrigger) {
sprite[nSprite].pal = 1;
}
if (nMov & 0x20000)
{
sprite[nSprite].xvel -= sprite[nSprite].xvel >> 3;
sprite[nSprite].yvel -= sprite[nSprite].yvel >> 3;
}
if (((nMov & 0xC000) > 0x8000) && ((nMov & 0xC000) == 0xC000))
{
sprite[nSprite].yvel = 0;
sprite[nSprite].xvel = 0;
}
}
return;
}
else
{
int var_18;
// red branch
if ((nStat == kStatExplodeTarget) || (sprite[nSprite].z < sector[sprite[nSprite].sectnum].floorz))
{
var_18 = 36;
}
else
{
var_18 = 34;
}
AddFlash(sprite[nSprite].sectnum, sprite[nSprite].x, sprite[nSprite].y, sprite[nSprite].z, 128);
BuildAnim(-1, var_18, 0, sprite[nSprite].x, sprite[nSprite].y, sector[sprite[nSprite].sectnum].floorz, sprite[nSprite].sectnum, 240, 4);
// int edi = nSprite | 0x4000;
if (nStat == kStatExplodeTrigger)
{
for (int i = 4; i < 8; i++) {
BuildCreatureChunk(nSprite | 0x4000, seq_GetSeqPicnum(kSeqFirePot, (i >> 2) + 1, 0));
}
runlist_RadialDamageEnemy(nSprite, 200, 20);
}
else if (nStat == kStatExplodeTarget)
{
for (int i = 0; i < 8; i++) {
BuildCreatureChunk(nSprite | 0x4000, seq_GetSeqPicnum(kSeqFirePot, (i >> 1) + 3, 0));
}
}
if (levelnum <= 20 || nStat != kStatExplodeTrigger)
{
runlist_SubRunRec(sprite[nSprite].owner);
runlist_SubRunRec(ObjectList[nObject].field_4);
mydeletesprite(nSprite);
return;
}
else
{
StartRegenerate(nSprite);
ObjectList[nObject].nHealth = 120;
sprite[nSprite].x = sprite[ObjectList[nObject].field_10].x;
sprite[nSprite].y = sprite[ObjectList[nObject].field_10].y;
sprite[nSprite].z = sprite[ObjectList[nObject].field_10].z;
mychangespritesect(nSprite, sprite[ObjectList[nObject].field_10].sectnum);
return;
}
}
}
}
}
void BuildDrip(int nSprite)
{
if (nDrips >= kMaxDrips) {
I_Error("Too many drips!\n");
}
sDrip[nDrips].nSprite = nSprite;
sDrip[nDrips].field_2 = RandomSize(8) + 90;
nDrips++;
sprite[nSprite].cstat = 0x8000u;
}
void DoDrips()
{
int i;
for (i = 0; i < nDrips; i++)
{
sDrip[i].field_2--;
if (sDrip[i].field_2 <= 0)
{
short nSprite = sDrip[i].nSprite;
short nSeqOffset = SeqOffsets[kSeqDrips];
if (!(SectFlag[sprite[nSprite].sectnum] & kSectLava)) {
nSeqOffset++;
}
seq_MoveSequence(nSprite, nSeqOffset, RandomSize(2) % SeqSize[nSeqOffset]);
sDrip[i].field_2 = RandomSize(8) + 90;
}
}
for (i = 0; i < nBobs; i++)
{
sBob[i].field_2 += 4;
int edx = Sin(sBob[i].field_2 << 3) >> 4;
short nSector = sBob[i].nSector;
if (sBob[i].field_3)
{
sector[nSector].ceilingz = edx + sBob[i].z;
}
else
{
int nFloorZ = sector[nSector].floorz;
sector[nSector].floorz = edx + sBob[i].z;
MoveSectorSprites(nSector, sector[nSector].floorz - nFloorZ);
}
}
}
void SnapBobs(short nSectorA, short nSectorB)
{
int ecx = -1;
int ebx = ecx;
// int var_14 = nSector;
// int edi = edx;
for (int i = 0; i < nBobs; i++)
{
int esi = sBob[i].nSector;
if (esi != nSectorA)
{
if (nSectorB != esi)
continue;
esi = ebx;
ecx = i;
}
else
{
esi = ecx;
ebx = i;
}
if (esi != -1) {
break;
}
}
if (ecx <= -1) {
return;
}
if (ebx <= -1) {
return;
}
sBob[ecx].field_2 = sBob[ebx].field_2;
}
void AddSectorBob(int nSector, int nHitag, int bx)
{
if (nBobs >= kMaxBobs) {
I_Error("Too many bobs!\n");
}
sBob[nBobs].field_3 = bx;
int z;
if (bx == 0) {
z = sector[nSector].floorz;
}
else {
z = sector[nSector].ceilingz;
}
sBob[nBobs].z = z;
sBob[nBobs].field_2 = nHitag << 4;
sBobID[nBobs] = nHitag;
sBob[nBobs].nSector = nSector;
SectFlag[nSector] |= 0x0010;
nBobs++;
}
// Confirmed 100% correct with original .exe
int FindTrail(int nVal)
{
for (int i = 0; i < nTrails; i++)
{
if (sTrail[i].field_2 == nVal)
return i;
}
sTrail[nTrails].field_2 = nVal;
sTrail[nTrails].field_0 = -1;
return nTrails++;
}
// ok ?
void ProcessTrailSprite(int nSprite, int nLotag, int nHitag)
{
if (nTrailPoints >= 100) {
I_Error("Too many trail point sprites (900-949)... increase MAX_TRAILPOINTS\n");
}
short nPoint = nTrailPoints;
nTrailPoints++;
sTrailPoint[nPoint].x = sprite[nSprite].x;
sTrailPoint[nPoint].y = sprite[nSprite].y;
int nTrail = FindTrail(nHitag);
int var_14 = nLotag - 900;
nTrailPointVal[nPoint] = var_14;
int field0 = sTrail[nTrail].field_0;
if (field0 == -1)
{
sTrail[nTrail].field_0 = nPoint;
sTrail[nTrail].field_4 = nPoint;
nTrailPointNext[nPoint] = -1;
nTrailPointPrev[nPoint] = -1;
}
else
{
int ecx = -1;
while (field0 != -1)
{
if (nTrailPointVal[field0] > var_14)
{
nTrailPointPrev[nPoint] = nTrailPointPrev[field0];
nTrailPointPrev[field0] = nPoint;
nTrailPointNext[nPoint] = field0;
if (field0 == sTrail[nTrail].field_0) {
sTrail[nTrail].field_0 = nPoint;
}
break;
}
ecx = field0;
field0 = nTrailPointNext[field0];
}
if (field0 == -1)
{
nTrailPointNext[ecx] = nPoint;
nTrailPointPrev[nPoint] = ecx;
nTrailPointNext[nPoint] = -1;
sTrail[nTrail].field_4 = nPoint;
}
}
mydeletesprite(nSprite);
}
// ok?
void AddMovingSector(int nSector, int edx, int ebx, int ecx)
{
if (nMoveSects >= kMaxMoveSects) {
I_Error("Too many moving sectors\n");
}
CreatePushBlock(nSector);
short nTrail = FindTrail(ebx);
sMoveDir[nMoveSects] = 1;
MoveSect *pMoveSect = &sMoveSect[nMoveSects];
nMoveSects++;
pMoveSect->nTrail = nTrail;
pMoveSect->nTrailPoint = -1;
pMoveSect->field_8 = -1;
pMoveSect->field_6 = ecx;
pMoveSect->field_10 = (edx / 1000) + 1;
pMoveSect->nSector = nSector;
if (ecx & 8)
{
pMoveSect->field_14 = runlist_AllocChannel(ebx % 1000);
}
else
{
pMoveSect->field_14 = -1;
}
sector[nSector].floorstat |= 0x40;
}
void DoMovingSects()
{
for (int i = 0; i < nMoveSects; i++)
{
if (sMoveSect[i].nSector == -1) {
continue;
}
if (sMoveSect[i].field_14 != -1 && !sRunChannels[sMoveSect[i].field_14].c) {
continue;
}
short nSector = sMoveSect[i].nSector;
short nBlock = sector[nSector].extra;
BlockInfo *pBlockInfo = &sBlockInfo[nBlock];
if (sMoveSect[i].nTrailPoint == -1)
{
if (sMoveSect[i].field_6 & 0x20)
{
runlist_ChangeChannel(sMoveSect[i].field_14, 0);
}
short ax;
if (sMoveSect[i].field_6 & 0x10)
{
sMoveDir[i] = -sMoveDir[i];
if (sMoveDir[i] > 0)
{
ax = sTrail[sMoveSect[i].nTrail].field_0;
}
else
{
ax = sTrail[sMoveSect[i].nTrail].field_4;
}
}
else
{
ax = sTrail[sMoveSect[i].nTrail].field_0;
}
sMoveSect[i].nTrailPoint = ax;
}
short nTrail = sMoveSect[i].nTrailPoint;
// TrailPoint *pTrail = &sTrailPoint[nTrail];
// loc_23872:
int nAngle = GetMyAngle(sTrailPoint[nTrail].x - pBlockInfo->x, sTrailPoint[nTrail].y - pBlockInfo->y);
int nXVel = (Sin(nAngle + 512) << 4) * sMoveSect[i].field_10;
int nYVel = (Sin(nAngle) << 4) * sMoveSect[i].field_10;
int ebx = (sTrailPoint[nTrail].x - pBlockInfo->x) << 14;
int eax = nXVel;
if (eax < 0) {
eax = -eax;
}
int edx = eax;
eax = ebx;
int ecx = (sTrailPoint[nTrail].y - pBlockInfo->y) << 14;
if (eax < 0) {
eax = -eax;
}
// loc_238EC:
if (edx <= eax)
{
eax = nYVel;
if (eax < 0) {
eax = -eax;
}
edx = eax;
eax = ecx;
if (eax < 0) {
eax = -eax;
}
if (edx > eax)
{
// loc_23908:
nYVel = ecx;
nXVel = ebx;
if (sMoveDir[i] > 0)
{
sMoveSect[i].nTrailPoint = nTrailPointNext[sMoveSect[i].nTrailPoint];
}
else
{
sMoveSect[i].nTrailPoint = nTrailPointPrev[sMoveSect[i].nTrailPoint];
}
}
}
else
{
// repeat of code from loc_23908
nYVel = ecx;
nXVel = ebx;
if (sMoveDir[i] > 0)
{
sMoveSect[i].nTrailPoint = nTrailPointNext[sMoveSect[i].nTrailPoint];
}
else
{
sMoveSect[i].nTrailPoint = nTrailPointPrev[sMoveSect[i].nTrailPoint];
}
}
// loc_2393A:
if (sMoveSect[i].field_8 != -1)
{
MoveSector(sMoveSect[i].field_8, -1, &nXVel, &nYVel);
}
int var_2C = nXVel;
int var_30 = nYVel;
MoveSector(nSector, -1, &nXVel, &nYVel);
if (nXVel != var_2C || nYVel != var_30)
{
MoveSector(sMoveSect[i].field_8, -1, &var_2C, &var_30);
MoveSector(sMoveSect[i].field_8, -1, &nXVel, &nYVel);
}
}
}
void PostProcess()
{
int i, j;
for (i = 0; i < nMoveSects; i++)
{
int nTrail = sMoveSect[i].nTrail;
sMoveSect[i].nTrailPoint = sTrail[nTrail].field_0;
if (sMoveSect[i].field_6 & 0x40) {
runlist_ChangeChannel(sMoveSect[i].field_14, 1);
}
short nSector = sMoveSect[i].nSector;
if (SectFlag[nSector] & kSectUnderwater)
{
sector[nSector].ceilingstat |= 0x40;
sector[nSector].floorstat &= 0xBFFF;
for (j = 0; j < nMoveSects; j++)
{
if (j != i && sMoveSect[i].nTrail == sMoveSect[j].nTrail)
{
sMoveSect[j].field_8 = sMoveSect[i].nSector;
SnapSectors(sMoveSect[j].nSector, sMoveSect[i].nSector, 0);
sMoveSect[i].nSector = -1;
}
}
}
}
for (i = 0; i < nBobs; i++)
{
if (sBob[i].field_3 == 0)
{
int bobID = sBobID[i];
for (j = 0; j < nBobs; j++)
{
if (j != i)
{
if (sBob[i].field_3 != 0 && sBobID[j] == bobID) {
SnapSectors(i, j, 0);
}
}
}
}
}
if (levelnew != kMap20)
{
// esi is i
for (i = 0; i < numsectors; i++)
{
int var_20 = 30000;
if (SectSpeed[i] && SectDepth[i] && !(SectFlag[i] & kSectLava))
{
SectSoundSect[i] = i;
SectSound[i] = StaticSound[kSound43];
}
else
{
// ebp and ecx are j
for (j = 0; j < numsectors; j++)
{
// loc_23CA6:
if (i != j && SectSpeed[j] && !(SectFlag[i] & kSectLava))
{
int xVal = wall[sector[i].wallptr].x - wall[sector[j].wallptr].x;
if (xVal < 0) {
xVal = -xVal;
}
int yVal = wall[sector[i].wallptr].x - wall[sector[j].wallptr].x;
if (yVal < 0) {
yVal = -yVal;
}
if (xVal < 15000 && yVal < 15000 && (xVal + yVal < var_20))
{
var_20 = xVal + yVal;
SectSoundSect[i] = j;
SectSound[i] = StaticSound[kSound43];
}
}
}
}
}
}
else // nMap == kMap20)
{
// int var_24 = 0;
int ebp = 0;
for (i = 0; i < numsectors; i++)
{
SectSoundSect[i] = i;
SectSound[i] = StaticSound[kSound62];
int startwall = sector[ebp].wallptr;
int endwall = sector[ebp].wallptr + sector[ebp].wallnum;
int nWall = startwall;
while (nWall < endwall)
{
if (wall[nWall].picnum == kTile3603)
{
wall[nWall].pal = 1;
int nSprite = insertsprite(i, 407);
sprite[nSprite].cstat = 0x8000;
}
nWall++;
}
}
for (i = 0; i < kMaxSprites; i++)
{
if (sprite[i].statnum < kMaxStatus && sprite[i].picnum == kTile3603)
{
changespritestat(i, 407);
sprite[i].pal = 1;
}
}
}
// esi is i
for (i = 0; i < ObjectCount; i++)
{
int nObjectSprite = ObjectList[i].nSprite;
if (sprite[nObjectSprite].statnum == kStatExplodeTarget)
{
if (!ObjectList[i].field_10) {
ObjectList[i].field_10 = -1;
}
else
{
int edi = ObjectList[i].field_10;
ObjectList[i].field_10 = -1;
// ecx, ebx is j
for (j = 0; j < ObjectCount; j++)
{
if (i != j && sprite[ObjectList[j].nSprite].statnum == kStatExplodeTarget && edi == ObjectList[j].field_10)
{
ObjectList[i].field_10 = j;
ObjectList[j].field_10 = i;
}
}
}
}
}
}
END_PS_NS