mirror of
https://github.com/ZDoom/Raze.git
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79d0818201
The data organization here is a mess, no wonder that this game could only save at the beginning of a level. Fortunately it's all static so no allocations and pointers to track.
395 lines
11 KiB
C++
395 lines
11 KiB
C++
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 sirlemonhead, Nuke.YKT
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This file is part of PCExhumed.
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PCExhumed is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#include "ns.h"
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#include "engine.h"
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#include "rat.h"
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#include "sequence.h"
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#include "runlist.h"
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#include "random.h"
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#include "view.h"
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#include "init.h"
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#include "exhumed.h"
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#include "move.h"
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#include <assert.h>
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BEGIN_PS_NS
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#define kMaxRats 50
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short nMinChunk;
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short nPlayerPic;
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short nRatCount;
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short nMaxChunk;
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struct Rat
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{
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short a;
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short nAction;
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short nSprite;
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short d;
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short nTarget;
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short f;
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short g;
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// short _pad;
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};
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Rat RatList[kMaxRats];
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static actionSeq ActionSeq[] = {{0, 1}, {1, 0}, {1, 0}, {9, 1}, {0, 1}};
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static SavegameHelper sgh("rat",
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SV(nMinChunk),
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SV(nPlayerPic),
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SV(nRatCount),
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SV(nMaxChunk),
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SA(RatList),
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nullptr);
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void InitRats()
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{
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nRatCount = 0;
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nMinChunk = 9999;
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nMaxChunk = -1;
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for (int i = 122; i <= 131; i++)
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{
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int nPic = seq_GetSeqPicnum(kSeqJoe, i, 0);
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if (nPic < nMinChunk)
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nMinChunk = nPic;
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if (nPic > nMaxChunk)
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nMaxChunk = nPic;
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}
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nPlayerPic = seq_GetSeqPicnum(kSeqJoe, 120, 0);
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}
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void SetRatVel(short nSprite)
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{
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sprite[nSprite].xvel = Cos(sprite[nSprite].ang) >> 2;
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sprite[nSprite].yvel = Sin(sprite[nSprite].ang) >> 2;
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}
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int BuildRat(short nSprite, int x, int y, int z, short nSector, int nAngle)
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{
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if (nRatCount >= kMaxRats) {
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return -1;
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}
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short nRat = nRatCount++;
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if (nSprite < 0)
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{
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nSprite = insertsprite(nSector, 108);
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assert(nSprite >= 0 && nSprite < kMaxSprites);
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sprite[nSprite].x = x;
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sprite[nSprite].y = y;
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sprite[nSprite].z = z;
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}
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else
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{
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nAngle = sprite[nSprite].ang;
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changespritestat(nSprite, 108);
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}
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sprite[nSprite].cstat = 0x101;
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sprite[nSprite].shade = -12;
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sprite[nSprite].xoffset = 0;
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sprite[nSprite].yoffset = 0;
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sprite[nSprite].picnum = 1;
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sprite[nSprite].pal = sector[sprite[nSprite].sectnum].ceilingpal;
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sprite[nSprite].clipdist = 30;
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sprite[nSprite].ang = nAngle;
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sprite[nSprite].xrepeat = 50;
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sprite[nSprite].yrepeat = 50;
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sprite[nSprite].yvel = 0;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].zvel = 0;
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sprite[nSprite].lotag = runlist_HeadRun() + 1;
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sprite[nSprite].hitag = 0;
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sprite[nSprite].extra = -1;
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if (nAngle >= 0) {
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RatList[nRat].nAction = 2;
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}
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else {
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RatList[nRat].nAction = 4;
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}
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RatList[nRat].a = 0;
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RatList[nRat].nSprite = nSprite;
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RatList[nRat].nTarget = -1;
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RatList[nRat].f = RandomSize(5);
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RatList[nRat].g = RandomSize(3);
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sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nRat | 0x240000);
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RatList[nRat].d = runlist_AddRunRec(NewRun, nRat | 0x240000);
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return 0;
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}
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int FindFood(short nSprite)
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{
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short nSector = sprite[nSprite].sectnum;
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int x = sprite[nSprite].x;
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int y = sprite[nSprite].y;
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int z = sprite[nSprite].z;
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int z2 = (z + sector[nSector].ceilingz) / 2;
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if (nChunkTotal)
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{
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int nSprite2 = nChunkSprite[RandomSize(7) % nChunkTotal];
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if (nSprite2 != -1)
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{
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if (cansee(x, y, z2, nSector, sprite[nSprite2].x, sprite[nSprite2].y, sprite[nSprite2].z, sprite[nSprite2].sectnum)) {
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return nSprite2;
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}
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}
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}
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if (!nBodyTotal) {
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return -1;
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}
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int nSprite2 = nBodySprite[RandomSize(7) % nBodyTotal];
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if (nSprite2 != -1)
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{
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if (nPlayerPic == sprite[nSprite2].picnum)
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{
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if (cansee(x, y, z, nSector, sprite[nSprite2].x, sprite[nSprite2].y, sprite[nSprite2].z, sprite[nSprite2].sectnum)) {
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return nSprite2;
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}
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}
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}
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return -1;
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}
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void FuncRat(int a, int nDamage, int nRun)
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{
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short nRat = RunData[nRun].nVal;
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short nSprite = RatList[nRat].nSprite;
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short nAction = RatList[nRat].nAction;
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bool var_20 = false;
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int nMessage = a & 0x7F0000;
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switch (nMessage)
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{
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default:
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{
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Printf("unknown msg %d for Rathead\n", nMessage);
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return;
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}
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case 0xA0000:
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{
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nDamage = runlist_CheckRadialDamage(nSprite);
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// fall through to 0x80000
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fallthrough__;
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}
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case 0x80000:
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{
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if (nDamage)
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{
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sprite[nSprite].cstat = 0;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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RatList[nRat].nAction = 3;
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RatList[nRat].a = 0;
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}
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return;
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}
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case 0x90000:
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{
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seq_PlotSequence(a & 0xFFFF, SeqOffsets[kSeqRat] + ActionSeq[nAction].a, RatList[nRat].a, ActionSeq[nAction].b);
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return;
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}
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case 0x20000:
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{
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int nSeq = SeqOffsets[kSeqRat] + ActionSeq[nAction].a;
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sprite[nSprite].picnum = seq_GetSeqPicnum2(nSeq, RatList[nRat].a);
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seq_MoveSequence(nSprite, nSeq, RatList[nRat].a);
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RatList[nRat].a++;
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if (RatList[nRat].a >= SeqSize[nSeq])
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{
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var_20 = true;
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RatList[nRat].a = 0;
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}
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short nTarget = RatList[nRat].nTarget;
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Gravity(nSprite);
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switch (nAction)
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{
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default:
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return;
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case 0:
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{
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RatList[nRat].f--;
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if (RatList[nRat].f > 0) {
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return;
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}
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int xVal = klabs(sprite[nSprite].x - sprite[nTarget].x);
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int yVal = klabs(sprite[nSprite].y - sprite[nTarget].y);
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if (xVal > 50 || yVal > 50)
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{
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RatList[nRat].nAction = 2;
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RatList[nRat].a = 0;
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RatList[nRat].nTarget = -1;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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return;
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}
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RatList[nRat].a ^= 1;
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RatList[nRat].f = RandomSize(5) + 4;
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RatList[nRat].g--;
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if (RatList[nRat].g <= 0)
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{
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short nFoodSprite = FindFood(nSprite);
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if (nFoodSprite == -1) {
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return;
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}
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RatList[nRat].nTarget = nFoodSprite;
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PlotCourseToSprite(nSprite, nFoodSprite);
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SetRatVel(nSprite);
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RatList[nRat].nAction = 1;
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RatList[nRat].g = 900;
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RatList[nRat].a = 0;
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}
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return;
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}
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case 1:
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{
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RatList[nRat].g--;
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if (RatList[nRat].g <= 0)
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{
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RatList[nRat].nAction = 2;
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RatList[nRat].a = 0;
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RatList[nRat].nTarget = -1;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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}
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MoveCreature(nSprite);
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int xVal = klabs(sprite[nSprite].x - sprite[nTarget].x);
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int yVal = klabs(sprite[nSprite].y - sprite[nTarget].y);
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if (xVal >= 50 || yVal >= 50)
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{
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RatList[nRat].f--;
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if (RatList[nRat].f < 0)
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{
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PlotCourseToSprite(nSprite, nTarget);
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SetRatVel(nSprite);
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RatList[nRat].f = 32;
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}
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return;
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}
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RatList[nRat].nAction = 0;
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RatList[nRat].a = 0;
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RatList[nRat].g = RandomSize(3);
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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return;
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}
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case 2:
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{
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if (sprite[nSprite].xvel || sprite[nSprite].yvel || sprite[nSprite].zvel) {
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MoveCreature(nSprite);
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}
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RatList[nRat].f--;
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if (RatList[nRat].f <= 0)
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{
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RatList[nRat].nTarget = FindFood(nSprite);
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if (RatList[nRat].nTarget <= -1)
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{
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RatList[nRat].f = RandomSize(6);
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if (sprite[nSprite].xvel || sprite[nSprite].yvel)
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{
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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return;
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}
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sprite[nSprite].ang = RandomSize(11);
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SetRatVel(nSprite);
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return;
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}
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else
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{
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PlotCourseToSprite(nSprite, RatList[nRat].nTarget);
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SetRatVel(nSprite);
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RatList[nRat].nAction = 1;
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RatList[nRat].g = 900;
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RatList[nRat].a = 0;
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return;
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}
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}
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return;
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}
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case 3:
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{
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if (var_20)
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{
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runlist_DoSubRunRec(sprite[nSprite].owner);
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runlist_FreeRun(sprite[nSprite].lotag - 1);
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runlist_SubRunRec(RatList[nRat].d);
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sprite[nSprite].cstat = 0x8000;
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mydeletesprite(nSprite);
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}
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return;
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}
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}
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break;
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}
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}
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}
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END_PS_NS
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