//------------------------------------------------------------------------- /* Copyright (C) 2010-2019 EDuke32 developers and contributors Copyright (C) 2019 Nuke.YKT This file is part of NBlood. NBlood is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ //------------------------------------------------------------------------- #include "ns.h" // Must come before everything else! #include "compat.h" #include "build.h" #include "blood.h" BEGIN_BLD_NS static void ratThinkSearch(DBloodActor *); static void ratThinkGoto(DBloodActor *); static void ratThinkChase(DBloodActor *); AISTATE ratIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL }; AISTATE ratSearch = { kAiStateSearch, 7, -1, 1800, NULL, aiMoveForward, ratThinkSearch, &ratIdle }; AISTATE ratChase = { kAiStateChase, 7, -1, 0, NULL, aiMoveForward, ratThinkChase, NULL }; AISTATE ratDodge = { kAiStateMove, 7, -1, 0, NULL, NULL, NULL, &ratChase }; AISTATE ratRecoil = { kAiStateRecoil, 7, -1, 0, NULL, NULL, NULL, &ratDodge }; AISTATE ratGoto = { kAiStateMove, 7, -1, 600, NULL, aiMoveForward, ratThinkGoto, &ratIdle }; AISTATE ratBite = { kAiStateChase, 6, nRatBiteClient, 120, NULL, NULL, NULL, &ratChase }; void ratBiteSeqCallback(int, DBloodActor* actor) { XSPRITE* pXSprite = &actor->x(); spritetype* pSprite = &actor->s(); int dx = CosScale16(pSprite->ang); int dy = SinScale16(pSprite->ang); assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); assert(pXSprite->target_i >= 0 && pXSprite->target_i < kMaxSprites); spritetype *pTarget = &sprite[pXSprite->target_i]; if (IsPlayerSprite(pTarget)) actFireVector(actor, 0, 0, dx, dy, pTarget->z-pSprite->z, kVectorRatBite); } static void ratThinkSearch(DBloodActor* actor) { auto pXSprite = &actor->x(); auto pSprite = &actor->s(); aiChooseDirection(actor,pXSprite->goalAng); aiThinkTarget(actor); } static void ratThinkGoto(DBloodActor* actor) { auto pXSprite = &actor->x(); auto pSprite = &actor->s(); assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type); int dx = pXSprite->targetX-pSprite->x; int dy = pXSprite->targetY-pSprite->y; int nAngle = getangle(dx, dy); int nDist = approxDist(dx, dy); aiChooseDirection(actor,nAngle); if (nDist < 512 && abs(pSprite->ang - nAngle) < pDudeInfo->periphery) aiNewState(actor, &ratSearch); aiThinkTarget(actor); } static void ratThinkChase(DBloodActor* actor) { auto pXSprite = &actor->x(); auto pSprite = &actor->s(); if (pXSprite->target_i == -1) { aiNewState(actor, &ratGoto); return; } assert(pSprite->type >= kDudeBase && pSprite->type < kDudeMax); DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type); assert(pXSprite->target_i >= 0 && pXSprite->target_i < kMaxSprites); spritetype *pTarget = &sprite[pXSprite->target_i]; XSPRITE *pXTarget = &xsprite[pTarget->extra]; int dx = pTarget->x-pSprite->x; int dy = pTarget->y-pSprite->y; aiChooseDirection(actor,getangle(dx, dy)); if (pXTarget->health == 0) { aiNewState(actor, &ratSearch); return; } if (IsPlayerSprite(pTarget) && powerupCheck(&gPlayer[pTarget->type-kDudePlayer1], kPwUpShadowCloak) > 0) { aiNewState(actor, &ratSearch); 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->yrepeat)<<2; if (cansee(pTarget->x, pTarget->y, pTarget->z, pTarget->sectnum, pSprite->x, pSprite->y, pSprite->z - height, pSprite->sectnum)) { if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery) { aiSetTarget(pXSprite, pXSprite->target_i); if (nDist < 0x399 && abs(nDeltaAngle) < 85) aiNewState(actor, &ratBite); return; } } } aiNewState(actor, &ratGoto); pXSprite->target_i = -1; } END_BLD_NS