mirror of
https://github.com/ZDoom/Raze.git
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275 lines
10 KiB
C++
275 lines
10 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 "blood.h"
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#include "db.h"
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#include "dude.h"
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#include "endgame.h"
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#include "eventq.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 "sound.h"
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BEGIN_BLD_NS
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static void spidThinkSearch(spritetype *, XSPRITE *);
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static void spidThinkGoto(spritetype *, XSPRITE *);
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static void spidThinkChase(spritetype *, XSPRITE *);
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AISTATE spidIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
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AISTATE spidChase = { kAiStateChase, 7, -1, 0, NULL, aiMoveForward, spidThinkChase, NULL };
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AISTATE spidDodge = { kAiStateMove, 7, -1, 90, NULL, aiMoveDodge, NULL, &spidChase };
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AISTATE spidGoto = { kAiStateMove, 7, -1, 600, NULL, aiMoveForward, spidThinkGoto, &spidIdle };
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AISTATE spidSearch = { kAiStateSearch, 7, -1, 1800, NULL, aiMoveForward, spidThinkSearch, &spidIdle };
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AISTATE spidBite = { kAiStateChase, 6, nSpidBiteClient, 60, NULL, NULL, NULL, &spidChase };
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AISTATE spidJump = { kAiStateChase, 8, nSpidJumpClient, 60, NULL, aiMoveForward, NULL, &spidChase };
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AISTATE spid13A92C = { kAiStateOther, 0, dword_279B50, 60, NULL, NULL, NULL, &spidIdle };
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static char sub_70D30(XSPRITE *pXDude, int a2, int a3)
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{
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assert(pXDude != NULL);
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int nDude = pXDude->reference;
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spritetype *pDude = &sprite[nDude];
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if (IsPlayerSprite(pDude))
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{
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a2 <<= 4;
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a3 <<= 4;
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if (IsPlayerSprite(pDude))
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{
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PLAYER *pPlayer = &gPlayer[pDude->type-kDudePlayer1];
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if (a3 > pPlayer->blindEffect)
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{
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pPlayer->blindEffect = ClipHigh(pPlayer->blindEffect+a2, a3);
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return 1;
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}
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}
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}
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return 0;
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}
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void SpidBiteSeqCallback(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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int dx = CosScale16(pSprite->ang);
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int dy = SinScale16(pSprite->ang);
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dx += Random2(2000);
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dy += Random2(2000);
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int dz = Random2(2000);
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assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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assert(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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if (IsPlayerSprite(pTarget)) {
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int hit = HitScan(pSprite, pSprite->z, dx, dy, 0, CLIPMASK1, 0);
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if (hit == 3 && IsPlayerSprite(&sprite[gHitInfo.hitsprite])) {
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dz += pTarget->z - pSprite->z;
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PLAYER *pPlayer = &gPlayer[pTarget->type - kDudePlayer1];
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switch (pSprite->type) {
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case kDudeSpiderBrown:
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_17);
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if (IsPlayerSprite(pTarget) && !pPlayer->godMode && powerupCheck(pPlayer, kPwUpDeathMask) <= 0 && Chance(0x4000))
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powerupActivate(pPlayer, kPwUpDeliriumShroom);
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break;
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case kDudeSpiderRed:
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_17);
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if (Chance(0x5000)) sub_70D30(pXTarget, 4, 16);
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break;
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case kDudeSpiderBlack:
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_17);
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sub_70D30(pXTarget, 8, 16);
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break;
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case kDudeSpiderMother: {
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_17);
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dx += Random2(2000);
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dy += Random2(2000);
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dz += Random2(2000);
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actFireVector(pSprite, 0, 0, dx, dy, dz, VECTOR_TYPE_17);
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sub_70D30(pXTarget, 8, 16);
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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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}
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void SpidJumpSeqCallback(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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int dx = CosScale16(pSprite->ang);
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int dy = SinScale16(pSprite->ang);
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dx += Random2(200);
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dy += Random2(200);
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int dz = Random2(200);
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assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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assert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
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spritetype *pTarget = &sprite[pXSprite->target];
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if (IsPlayerSprite(pTarget)) {
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dz += pTarget->z-pSprite->z;
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switch (pSprite->type) {
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case kDudeSpiderBrown:
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case kDudeSpiderRed:
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case kDudeSpiderBlack:
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xvel[nSprite] = IntToFixed(dx);
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yvel[nSprite] = IntToFixed(dy);
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zvel[nSprite] = IntToFixed(dz);
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break;
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}
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}
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}
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void sub_71370(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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assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
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assert(pXSprite->target >= 0 && pXSprite->target < kMaxSprites);
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spritetype *pTarget = &sprite[pXSprite->target];
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DUDEEXTRA_at6_u1 *pDudeExtraE = &gDudeExtra[pSprite->extra].at6.u1;
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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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spritetype *pSpawn = NULL;
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if (IsPlayerSprite(pTarget) && pDudeExtraE->xval2 < 10) {
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if (nDist < 0x1a00 && nDist > 0x1400 && klabs(pSprite->ang-nAngle) < pDudeInfo->periphery)
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pSpawn = actSpawnDude(pSprite, kDudeSpiderRed, pSprite->clipdist, 0);
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else if (nDist < 0x1400 && nDist > 0xc00 && klabs(pSprite->ang-nAngle) < pDudeInfo->periphery)
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pSpawn = actSpawnDude(pSprite, kDudeSpiderBrown, pSprite->clipdist, 0);
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else if (nDist < 0xc00 && klabs(pSprite->ang - nAngle) < pDudeInfo->periphery)
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pSpawn = actSpawnDude(pSprite, kDudeSpiderBrown, pSprite->clipdist, 0);
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if (pSpawn) {
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pDudeExtraE->xval2++;
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pSpawn->owner = nSprite;
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gKillMgr.AddNewKill(1);
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}
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}
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}
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static void spidThinkSearch(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 spidThinkGoto(spritetype *pSprite, XSPRITE *pXSprite)
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{
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assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
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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, &spidSearch);
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aiThinkTarget(pSprite, pXSprite);
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}
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static void spidThinkChase(spritetype *pSprite, XSPRITE *pXSprite)
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{
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if (pXSprite->target == -1)
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{
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aiNewState(pSprite, pXSprite, &spidGoto);
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return;
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}
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assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax);
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DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
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assert(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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aiNewState(pSprite, pXSprite, &spidSearch);
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return;
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}
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if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], kPwUpShadowCloak) > 0)
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{
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aiNewState(pSprite, pXSprite, &spidSearch);
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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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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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if (nDist < pDudeInfo->seeDist && klabs(nDeltaAngle) <= pDudeInfo->periphery) {
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aiSetTarget(pXSprite, pXSprite->target);
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switch (pSprite->type) {
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case kDudeSpiderRed:
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if (nDist < 0x399 && klabs(nDeltaAngle) < 85)
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aiNewState(pSprite, pXSprite, &spidBite);
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break;
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case kDudeSpiderBrown:
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case kDudeSpiderBlack:
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if (nDist < 0x733 && nDist > 0x399 && klabs(nDeltaAngle) < 85)
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aiNewState(pSprite, pXSprite, &spidJump);
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else if (nDist < 0x399 && klabs(nDeltaAngle) < 85)
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aiNewState(pSprite, pXSprite, &spidBite);
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break;
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case kDudeSpiderMother:
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if (nDist < 0x733 && nDist > 0x399 && klabs(nDeltaAngle) < 85)
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aiNewState(pSprite, pXSprite, &spidJump);
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else if (Chance(0x8000))
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aiNewState(pSprite, pXSprite, &spid13A92C);
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break;
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}
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return;
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}
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}
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}
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aiNewState(pSprite, pXSprite, &spidGoto);
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pXSprite->target = -1;
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}
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END_BLD_NS
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