mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-26 03:30:46 +00:00
588 lines
23 KiB
C++
588 lines
23 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 Nuke.YKT
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This file is part of NBlood.
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NBlood 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" // Must come before everything else!
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#include "compat.h"
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#include "build.h"
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#include "pragmas.h"
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#include "mmulti.h"
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#include "common_game.h"
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#include "actor.h"
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#include "ai.h"
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#include "aibeast.h"
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#include "blood.h"
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#include "db.h"
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#include "dude.h"
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#include "levels.h"
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#include "player.h"
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#include "seq.h"
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#include "sfx.h"
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#include "trig.h"
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BEGIN_BLD_NS
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static void SlashSeqCallback(int, int);
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static void StompSeqCallback(int, int);
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static void MorphToBeast(spritetype *, XSPRITE *);
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static void thinkSearch(spritetype *, XSPRITE *);
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static void thinkGoto(spritetype *, XSPRITE *);
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static void thinkChase(spritetype *, XSPRITE *);
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static void thinkSwimGoto(spritetype *, XSPRITE *);
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static void thinkSwimChase(spritetype *, XSPRITE *);
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static void MoveForward(spritetype *, XSPRITE *);
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static void sub_628A0(spritetype *, XSPRITE *);
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static void sub_62AE0(spritetype *, XSPRITE *);
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static void sub_62D7C(spritetype *, XSPRITE *);
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static int nSlashClient = seqRegisterClient(SlashSeqCallback);
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static int nStompClient = seqRegisterClient(StompSeqCallback);
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AISTATE beastIdle = {kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
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AISTATE beastChase = {kAiStateChase, 8, -1, 0, NULL, MoveForward, thinkChase, NULL };
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AISTATE beastDodge = { kAiStateMove, 8, -1, 60, NULL, aiMoveDodge, NULL, &beastChase };
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AISTATE beastGoto = { kAiStateMove, 8, -1, 600, NULL, MoveForward, thinkGoto, &beastIdle };
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AISTATE beastSlash = { kAiStateChase, 6, nSlashClient, 120, NULL, NULL, NULL, &beastChase };
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AISTATE beastStomp = { kAiStateChase, 7, nStompClient, 120, NULL, NULL, NULL, &beastChase };
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AISTATE beastSearch = { kAiStateSearch, 8, -1, 120, NULL, MoveForward, thinkSearch, &beastIdle };
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AISTATE beastRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &beastDodge };
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AISTATE beastTeslaRecoil = { kAiStateRecoil, 4, -1, 0, NULL, NULL, NULL, &beastDodge };
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AISTATE beastSwimIdle = {kAiStateIdle, 9, -1, 0, NULL, NULL, aiThinkTarget, NULL };
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AISTATE beastSwimChase = { kAiStateChase, 9, -1, 0, NULL, sub_628A0, thinkSwimChase, NULL };
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AISTATE beastSwimDodge = { kAiStateMove, 9, -1, 90, NULL, aiMoveDodge, NULL, &beastSwimChase };
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AISTATE beastSwimGoto = { kAiStateMove, 9, -1, 600, NULL, MoveForward, thinkSwimGoto, &beastSwimIdle };
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AISTATE beastSwimSearch = { kAiStateSearch, 9, -1, 120, NULL, MoveForward, thinkSearch, &beastSwimIdle };
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AISTATE beastSwimSlash = { kAiStateChase, 9, nSlashClient, 0, NULL, NULL, thinkSwimChase, &beastSwimChase };
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AISTATE beastSwimRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &beastSwimDodge };
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AISTATE beastMorphToBeast = { kAiStateOther, -1, -1, 0, MorphToBeast, NULL, NULL, &beastIdle };
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AISTATE beastMorphFromCultist = { kAiStateOther, 2576, -1, 0, NULL, NULL, NULL, &beastMorphToBeast };
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AISTATE beast138FB4 = { kAiStateOther, 9, -1, 120, NULL, sub_62AE0, thinkSwimChase, &beastSwimChase };
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AISTATE beast138FD0 = { kAiStateOther, 9, -1, 0, NULL, sub_62D7C, thinkSwimChase, &beastSwimChase };
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AISTATE beast138FEC = { kAiStateOther, 9, -1, 120, NULL, aiMoveTurn, NULL, &beastSwimChase };
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static void SlashSeqCallback(int, int nXSprite)
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{
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XSPRITE *pXSprite = &xsprite[nXSprite];
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int nSprite = pXSprite->reference;
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spritetype *pSprite = &sprite[nSprite];
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spritetype *pTarget = &sprite[pXSprite->target];
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int dx = Cos(pSprite->ang)>>16;
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int dy = Sin(pSprite->ang)>>16;
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// Correct ?
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int dz = pSprite->z-pTarget->z;
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dx += Random3(4000-700*gGameOptions.nDifficulty);
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dy += Random3(4000-700*gGameOptions.nDifficulty);
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_13);
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_13);
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_13);
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sfxPlay3DSound(pSprite, 9012+Random(2), -1, 0);
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}
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static void StompSeqCallback(int, int nXSprite)
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{
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char vb8[(kMaxSectors+7)>>3];
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XSPRITE *pXSprite = &xsprite[nXSprite];
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int nSprite = pXSprite->reference;
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spritetype *pSprite = &sprite[nSprite];
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int dx = Cos(pSprite->ang)>>16;
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int dy = Sin(pSprite->ang)>>16;
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int x = pSprite->x;
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int y = pSprite->y;
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int z = pSprite->z;
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int vc = 400;
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int nSector = pSprite->sectnum;
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int v1c = 5+2*gGameOptions.nDifficulty;
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int v10 = 25+30*gGameOptions.nDifficulty;
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gAffectedSectors[0] = -1;
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gAffectedXWalls[0] = -1;
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GetClosestSpriteSectors(nSector, x, y, vc, gAffectedSectors, vb8, gAffectedXWalls);
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char v4 = 0;
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int v34 = -1;
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int hit = HitScan(pSprite, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
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actHitcodeToData(hit, &gHitInfo, &v34, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
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if (hit == 3 && v34 >= 0)
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{
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if (sprite[v34].statnum == 6)
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v4 = 0;
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}
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vc <<= 4;
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for (int nSprite2 = headspritestat[6]; nSprite2 >= 0; nSprite2 = nextspritestat[nSprite2])
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{
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if (nSprite != nSprite2 || v4)
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{
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spritetype *pSprite2 = &sprite[nSprite2];
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if (pSprite2->extra > 0 && pSprite2->extra < kMaxXSprites)
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{
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if (pSprite2->type == 251)
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continue;
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if (pSprite2->hitag&32)
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continue;
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if (TestBitString(vb8, pSprite2->sectnum) && CheckProximity(pSprite2, x, y, z, nSector, vc))
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{
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int top, bottom;
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GetSpriteExtents(pSprite, &top, &bottom);
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if (klabs(bottom-sector[nSector].floorz) == 0)
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{
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int dx = klabs(pSprite->x-pSprite2->x);
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int dy = klabs(pSprite->y-pSprite2->y);
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int nDist2 = ksqrt(dx*dx + dy*dy);
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if (nDist2 <= vc)
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{
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int nDamage;
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if (!nDist2)
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nDamage = v1c + v10;
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else
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nDamage = v1c + ((vc-nDist2)*v10)/vc;
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if (IsPlayerSprite(pSprite2))
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gPlayer[pSprite2->type-kDudePlayer1].at37f += nDamage*4;
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actDamageSprite(nSprite, pSprite2, DAMAGE_TYPE_0, nDamage<<4);
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}
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}
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}
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}
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}
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}
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for (int nSprite2 = headspritestat[4]; nSprite2 >= 0; nSprite2 = nextspritestat[nSprite2])
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{
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spritetype *pSprite2 = &sprite[nSprite2];
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if (pSprite2->hitag&32)
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continue;
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if (TestBitString(vb8, pSprite2->sectnum) && CheckProximity(pSprite2, x, y, z, nSector, vc))
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{
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XSPRITE *pXSprite = &xsprite[pSprite2->extra];
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if (pXSprite->locked)
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continue;
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int dx = klabs(pSprite->x-pSprite2->x);
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int dy = klabs(pSprite->y-pSprite2->y);
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int nDist2 = ksqrt(dx*dx + dy*dy);
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if (nDist2 <= vc)
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{
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int nDamage;
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if (!nDist2)
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nDamage = v1c + v10;
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else
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nDamage = v1c + ((vc-nDist2)*v10)/vc;
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if (IsPlayerSprite(pSprite2))
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gPlayer[pSprite2->type-kDudePlayer1].at37f += nDamage*4;
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actDamageSprite(nSprite, pSprite2, DAMAGE_TYPE_0, nDamage<<4);
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}
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}
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}
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sfxPlay3DSound(pSprite, 9015+Random(2), -1, 0);
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}
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static void MorphToBeast(spritetype *pSprite, XSPRITE *pXSprite)
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{
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actHealDude(pXSprite, dudeInfo[51].startHealth, dudeInfo[51].startHealth);
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pSprite->type = 251;
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}
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static void thinkSearch(spritetype *pSprite, XSPRITE *pXSprite)
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{
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aiChooseDirection(pSprite, pXSprite, pXSprite->goalAng);
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aiThinkTarget(pSprite, pXSprite);
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}
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static void thinkGoto(spritetype *pSprite, XSPRITE *pXSprite)
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{
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dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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int dx = pXSprite->targetX-pSprite->x;
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int dy = pXSprite->targetY-pSprite->y;
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int nAngle = getangle(dx, dy);
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int nDist = approxDist(dx, dy);
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aiChooseDirection(pSprite, pXSprite, nAngle);
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if (nDist < 512 && klabs(pSprite->ang - nAngle) < pDudeInfo->periphery)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSearch);
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else
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aiNewState(pSprite, pXSprite, &beastSearch);
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}
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aiThinkTarget(pSprite, pXSprite);
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}
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static void thinkChase(spritetype *pSprite, XSPRITE *pXSprite)
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{
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if (pXSprite->target == -1)
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{
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSearch);
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else
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aiNewState(pSprite, pXSprite, &beastSearch);
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return;
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}
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dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
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dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
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spritetype *pTarget = &sprite[pXSprite->target];
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XSPRITE *pXTarget = &xsprite[pTarget->extra];
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int dx = pTarget->x-pSprite->x;
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int dy = pTarget->y-pSprite->y;
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aiChooseDirection(pSprite, pXSprite, getangle(dx, dy));
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if (pXTarget->health == 0)
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{
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSearch);
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else
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aiNewState(pSprite, pXSprite, &beastSearch);
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return;
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}
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if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], 13) > 0)
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{
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSearch);
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else
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aiNewState(pSprite, pXSprite, &beastSearch);
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return;
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}
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int nDist = approxDist(dx, dy);
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if (nDist <= pDudeInfo->seeDist)
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{
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int nDeltaAngle = ((getangle(dx,dy)+1024-pSprite->ang)&2047)-1024;
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int height = (pDudeInfo->eyeHeight*pSprite->yrepeat)<<2;
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if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum))
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{
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if (nDist < pDudeInfo->seeDist && klabs(nDeltaAngle) <= pDudeInfo->periphery)
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{
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aiSetTarget(pXSprite, pXSprite->target);
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int nXSprite = sprite[pXSprite->reference].extra;
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gDudeSlope[nXSprite] = divscale(pTarget->z-pSprite->z, nDist, 10);
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if (nDist < 0x1400 && nDist > 0xa00 && klabs(nDeltaAngle) < 85 && (pTarget->hitag&2)
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&& IsPlayerSprite(pTarget) && Chance(0x8000))
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{
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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int hit = HitScan(pSprite, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
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if (pXTarget->health > gPlayerTemplate[0].startHealth/2)
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{
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switch (hit)
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{
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case -1:
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if (!pXSector || !pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastStomp);
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break;
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case 3:
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if (pSprite->type != sprite[gHitInfo.hitsprite].type)
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{
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if (!pXSector || !pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastStomp);
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}
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else
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimDodge);
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else
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aiNewState(pSprite, pXSprite, &beastDodge);
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}
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break;
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default:
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if (!pXSector || !pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastStomp);
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break;
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}
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}
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}
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if (nDist < 921 && klabs(nDeltaAngle) < 28)
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{
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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int hit = HitScan(pSprite, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
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switch (hit)
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{
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case -1:
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSlash);
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else
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aiNewState(pSprite, pXSprite, &beastSlash);
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break;
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case 3:
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if (pSprite->type != sprite[gHitInfo.hitsprite].type)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSlash);
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else
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aiNewState(pSprite, pXSprite, &beastSlash);
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}
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else
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimDodge);
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else
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aiNewState(pSprite, pXSprite, &beastDodge);
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}
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break;
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default:
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimSlash);
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else
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aiNewState(pSprite, pXSprite, &beastSlash);
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break;
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}
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}
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}
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return;
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}
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}
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XSECTOR *pXSector;
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int nXSector = sector[pSprite->sectnum].extra;
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if (nXSector > 0)
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pXSector = &xsector[nXSector];
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else
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pXSector = NULL;
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if (pXSector && pXSector->Underwater)
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aiNewState(pSprite, pXSprite, &beastSwimGoto);
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else
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aiNewState(pSprite, pXSprite, &beastGoto);
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pXSprite->target = -1;
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}
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static void thinkSwimGoto(spritetype *pSprite, XSPRITE *pXSprite)
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{
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dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
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int dx = pXSprite->targetX-pSprite->x;
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int dy = pXSprite->targetY-pSprite->y;
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int nAngle = getangle(dx, dy);
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int nDist = approxDist(dx, dy);
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aiChooseDirection(pSprite, pXSprite, nAngle);
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if (nDist < 512 && klabs(pSprite->ang - nAngle) < pDudeInfo->periphery)
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aiNewState(pSprite, pXSprite, &beastSwimSearch);
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aiThinkTarget(pSprite, pXSprite);
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|
}
|
|
|
|
static void thinkSwimChase(spritetype *pSprite, XSPRITE *pXSprite)
|
|
{
|
|
if (pXSprite->target == -1)
|
|
{
|
|
aiNewState(pSprite, pXSprite, &beastSwimGoto);
|
|
return;
|
|
}
|
|
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
|
|
DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
|
|
dassert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
|
|
spritetype *pTarget = &sprite[pXSprite->target];
|
|
XSPRITE *pXTarget = &xsprite[pTarget->extra];
|
|
int dx = pTarget->x-pSprite->x;
|
|
int dy = pTarget->y-pSprite->y;
|
|
aiChooseDirection(pSprite, pXSprite, getangle(dx, dy));
|
|
if (pXTarget->health == 0)
|
|
{
|
|
aiNewState(pSprite, pXSprite, &beastSwimSearch);
|
|
return;
|
|
}
|
|
if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], 13) > 0)
|
|
{
|
|
aiNewState(pSprite, pXSprite, &beastSwimSearch);
|
|
return;
|
|
}
|
|
int nDist = approxDist(dx, dy);
|
|
if (nDist <= pDudeInfo->seeDist)
|
|
{
|
|
int nDeltaAngle = ((getangle(dx,dy)+1024-pSprite->ang)&2047)-1024;
|
|
int height = pDudeInfo->eyeHeight+pSprite->z;
|
|
int top, bottom;
|
|
GetSpriteExtents(pSprite, &top, &bottom);
|
|
if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum))
|
|
{
|
|
if (nDist < pDudeInfo->seeDist && klabs(nDeltaAngle) <= pDudeInfo->periphery)
|
|
{
|
|
aiSetTarget(pXSprite, pXSprite->target);
|
|
int UNUSED(floorZ) = getflorzofslope(pSprite->sectnum, pSprite->x, pSprite->y);
|
|
if (nDist < 0x400 && klabs(nDeltaAngle) < 85)
|
|
aiNewState(pSprite, pXSprite, &beastSwimSlash);
|
|
else
|
|
{
|
|
aiPlay3DSound(pSprite, 9009+Random(2), AI_SFX_PRIORITY_1, -1);
|
|
aiNewState(pSprite, pXSprite, &beast138FD0);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
aiNewState(pSprite, pXSprite, &beast138FD0);
|
|
return;
|
|
}
|
|
aiNewState(pSprite, pXSprite, &beastSwimGoto);
|
|
pXSprite->target = -1;
|
|
}
|
|
|
|
static void MoveForward(spritetype *pSprite, XSPRITE *pXSprite)
|
|
{
|
|
int nSprite = pSprite->index;
|
|
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
|
|
DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
|
|
int nAng = ((pXSprite->goalAng+1024-pSprite->ang)&2047)-1024;
|
|
int nTurnRange = (pDudeInfo->angSpeed<<2)>>4;
|
|
pSprite->ang = (pSprite->ang+ClipRange(nAng, -nTurnRange, nTurnRange))&2047;
|
|
if (klabs(nAng) > 341)
|
|
return;
|
|
int dx = pXSprite->targetX-pSprite->x;
|
|
int dy = pXSprite->targetY-pSprite->y;
|
|
int UNUSED(nAngle) = getangle(dx, dy);
|
|
int nDist = approxDist(dx, dy);
|
|
if (nDist <= 0x400 && Random(64) < 32)
|
|
return;
|
|
xvel[nSprite] += mulscale30(pDudeInfo->frontSpeed, Cos(pSprite->ang));
|
|
yvel[nSprite] += mulscale30(pDudeInfo->frontSpeed, Sin(pSprite->ang));
|
|
}
|
|
|
|
static void sub_628A0(spritetype *pSprite, XSPRITE *pXSprite)
|
|
{
|
|
int nSprite = pSprite->index;
|
|
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
|
|
DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
|
|
int nAng = ((pXSprite->goalAng+1024-pSprite->ang)&2047)-1024;
|
|
int nTurnRange = (pDudeInfo->angSpeed<<2)>>4;
|
|
pSprite->ang = (pSprite->ang+ClipRange(nAng, -nTurnRange, nTurnRange))&2047;
|
|
int nAccel = pDudeInfo->frontSpeed<<2;
|
|
if (klabs(nAng) > 341)
|
|
return;
|
|
if (pXSprite->target == -1)
|
|
pSprite->ang = (pSprite->ang+256)&2047;
|
|
int dx = pXSprite->targetX-pSprite->x;
|
|
int dy = pXSprite->targetY-pSprite->y;
|
|
int UNUSED(nAngle) = getangle(dx, dy);
|
|
int nDist = approxDist(dx, dy);
|
|
if (Random(64) < 32 && nDist <= 0x400)
|
|
return;
|
|
int nCos = Cos(pSprite->ang);
|
|
int nSin = Sin(pSprite->ang);
|
|
int vx = xvel[nSprite];
|
|
int vy = yvel[nSprite];
|
|
int t1 = dmulscale30(vx, nCos, vy, nSin);
|
|
int t2 = dmulscale30(vx, nSin, -vy, nCos);
|
|
if (pXSprite->target == -1)
|
|
t1 += nAccel;
|
|
else
|
|
t1 += nAccel>>2;
|
|
xvel[nSprite] = dmulscale30(t1, nCos, t2, nSin);
|
|
yvel[nSprite] = dmulscale30(t1, nSin, -t2, nCos);
|
|
}
|
|
|
|
static void sub_62AE0(spritetype *pSprite, XSPRITE *pXSprite)
|
|
{
|
|
int nSprite = pSprite->index;
|
|
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
|
|
DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
|
|
spritetype *pTarget = &sprite[pXSprite->target];
|
|
int z = pSprite->z + dudeInfo[pSprite->type - kDudeBase].eyeHeight;
|
|
int z2 = pTarget->z + dudeInfo[pTarget->type - kDudeBase].eyeHeight;
|
|
int nAng = ((pXSprite->goalAng+1024-pSprite->ang)&2047)-1024;
|
|
int nTurnRange = (pDudeInfo->angSpeed<<2)>>4;
|
|
pSprite->ang = (pSprite->ang+ClipRange(nAng, -nTurnRange, nTurnRange))&2047;
|
|
int nAccel = pDudeInfo->frontSpeed<<2;
|
|
if (klabs(nAng) > 341)
|
|
{
|
|
pXSprite->goalAng = (pSprite->ang+512)&2047;
|
|
return;
|
|
}
|
|
int dx = pXSprite->targetX-pSprite->x;
|
|
int dy = pXSprite->targetY-pSprite->y;
|
|
int dz = z2 - z;
|
|
int UNUSED(nAngle) = getangle(dx, dy);
|
|
int nDist = approxDist(dx, dy);
|
|
if (Chance(0x600) && nDist <= 0x400)
|
|
return;
|
|
int nCos = Cos(pSprite->ang);
|
|
int nSin = Sin(pSprite->ang);
|
|
int vx = xvel[nSprite];
|
|
int vy = yvel[nSprite];
|
|
int t1 = dmulscale30(vx, nCos, vy, nSin);
|
|
int t2 = dmulscale30(vx, nSin, -vy, nCos);
|
|
t1 += nAccel;
|
|
xvel[nSprite] = dmulscale30(t1, nCos, t2, nSin);
|
|
yvel[nSprite] = dmulscale30(t1, nSin, -t2, nCos);
|
|
zvel[nSprite] = -dz;
|
|
}
|
|
|
|
static void sub_62D7C(spritetype *pSprite, XSPRITE *pXSprite)
|
|
{
|
|
int nSprite = pSprite->index;
|
|
dassert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
|
|
DUDEINFO *pDudeInfo = &dudeInfo[pSprite->type - kDudeBase];
|
|
spritetype *pTarget = &sprite[pXSprite->target];
|
|
int z = pSprite->z + dudeInfo[pSprite->type - kDudeBase].eyeHeight;
|
|
int z2 = pTarget->z + dudeInfo[pTarget->type - kDudeBase].eyeHeight;
|
|
int nAng = ((pXSprite->goalAng+1024-pSprite->ang)&2047)-1024;
|
|
int nTurnRange = (pDudeInfo->angSpeed<<2)>>4;
|
|
pSprite->ang = (pSprite->ang+ClipRange(nAng, -nTurnRange, nTurnRange))&2047;
|
|
int nAccel = pDudeInfo->frontSpeed<<2;
|
|
if (klabs(nAng) > 341)
|
|
{
|
|
pSprite->ang = (pSprite->ang+512)&2047;
|
|
return;
|
|
}
|
|
int dx = pXSprite->targetX-pSprite->x;
|
|
int dy = pXSprite->targetY-pSprite->y;
|
|
int dz = (z2 - z)<<3;
|
|
int UNUSED(nAngle) = getangle(dx, dy);
|
|
int nDist = approxDist(dx, dy);
|
|
if (Chance(0x4000) && nDist <= 0x400)
|
|
return;
|
|
int nCos = Cos(pSprite->ang);
|
|
int nSin = Sin(pSprite->ang);
|
|
int vx = xvel[nSprite];
|
|
int vy = yvel[nSprite];
|
|
int t1 = dmulscale30(vx, nCos, vy, nSin);
|
|
int t2 = dmulscale30(vx, nSin, -vy, nCos);
|
|
t1 += nAccel>>1;
|
|
xvel[nSprite] = dmulscale30(t1, nCos, t2, nSin);
|
|
yvel[nSprite] = dmulscale30(t1, nSin, -t2, nCos);
|
|
zvel[nSprite] = dz;
|
|
}
|
|
|
|
END_BLD_NS
|