mirror of
https://github.com/ZDoom/Raze.git
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375 lines
13 KiB
C++
375 lines
13 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 "build.h"
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#include "blood.h"
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BEGIN_BLD_NS
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static void gillThinkSearch(DBloodActor*);
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static void gillThinkGoto(DBloodActor*);
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static void gillThinkChase(DBloodActor*);
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static void gillThinkSwimGoto(DBloodActor*);
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static void gillThinkSwimChase(DBloodActor*);
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static void sub_6CB00(DBloodActor*);
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static void sub_6CD74(DBloodActor*);
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static void sub_6D03C(DBloodActor*);
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AISTATE gillBeastIdle = { kAiStateIdle, 0, -1, 0, NULL, NULL, aiThinkTarget, NULL };
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AISTATE gillBeastChase = { kAiStateChase, 9, -1, 0, NULL, aiMoveForward, gillThinkChase, NULL };
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AISTATE gillBeastDodge = { kAiStateMove, 9, -1, 90, NULL, aiMoveDodge, NULL, &gillBeastChase };
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AISTATE gillBeastGoto = { kAiStateMove, 9, -1, 600, NULL, aiMoveForward, gillThinkGoto, &gillBeastIdle };
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AISTATE gillBeastBite = { kAiStateChase, 6, nGillBiteClient, 120, NULL, NULL, NULL, &gillBeastChase };
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AISTATE gillBeastSearch = { kAiStateMove, 9, -1, 120, NULL, aiMoveForward, gillThinkSearch, &gillBeastIdle };
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AISTATE gillBeastRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &gillBeastDodge };
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AISTATE gillBeastSwimIdle = { kAiStateIdle, 10, -1, 0, NULL, NULL, aiThinkTarget, NULL };
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AISTATE gillBeastSwimChase = { kAiStateChase, 10, -1, 0, NULL, sub_6CB00, gillThinkSwimChase, NULL };
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AISTATE gillBeastSwimDodge = { kAiStateMove, 10, -1, 90, NULL, aiMoveDodge, NULL, &gillBeastSwimChase };
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AISTATE gillBeastSwimGoto = { kAiStateMove, 10, -1, 600, NULL, aiMoveForward, gillThinkSwimGoto, &gillBeastSwimIdle };
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AISTATE gillBeastSwimSearch = { kAiStateSearch, 10, -1, 120, NULL, aiMoveForward, gillThinkSearch, &gillBeastSwimIdle };
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AISTATE gillBeastSwimBite = { kAiStateChase, 7, nGillBiteClient, 0, NULL, NULL, gillThinkSwimChase, &gillBeastSwimChase };
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AISTATE gillBeastSwimRecoil = { kAiStateRecoil, 5, -1, 0, NULL, NULL, NULL, &gillBeastSwimDodge };
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AISTATE gillBeast13A138 = { kAiStateOther, 10, -1, 120, NULL, sub_6CD74, gillThinkSwimChase, &gillBeastSwimChase };
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AISTATE gillBeast13A154 = { kAiStateOther, 10, -1, 0, NULL, sub_6D03C, gillThinkSwimChase, &gillBeastSwimChase };
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AISTATE gillBeast13A170 = { kAiStateOther, 10, -1, 120, NULL, NULL, aiMoveTurn, &gillBeastSwimChase };
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void GillBiteSeqCallback(int, DBloodActor* actor)
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{
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if (!actor->ValidateTarget(__FUNCTION__)) return;
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auto target = actor->GetTarget();
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int dx = bcos(actor->spr.ang);
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int dy = bsin(actor->spr.ang);
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int dz = actor->spr.pos.Z - target->spr.pos.Z;
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dx += Random3(2000);
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dy += Random3(2000);
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actFireVector(actor, 0, 0, dx, dy, dz, kVectorGillBite);
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actFireVector(actor, 0, 0, dx, dy, dz, kVectorGillBite);
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actFireVector(actor, 0, 0, dx, dy, dz, kVectorGillBite);
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}
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static void gillThinkSearch(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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aiChooseDirection(actor, pXSprite->goalAng);
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aiThinkTarget(actor);
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}
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static void gillThinkGoto(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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auto pSector = actor->spr.sector();
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auto pXSector = pSector->hasX() ? &pSector->xs() : nullptr;
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int dx = pXSprite->targetX - actor->spr.pos.X;
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int dy = pXSprite->targetY - actor->spr.pos.Y;
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int nAngle = getangle(dx, dy);
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int nDist = approxDist(dx, dy);
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aiChooseDirection(actor, nAngle);
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if (nDist < 512 && abs(actor->spr.ang - nAngle) < pDudeInfo->periphery)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimSearch);
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else
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aiNewState(actor, &gillBeastSearch);
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}
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aiThinkTarget(actor);
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}
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static void gillThinkChase(DBloodActor* actor)
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{
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auto pSector = actor->spr.sector();
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auto pXSector = pSector->hasX() ? &pSector->xs() : nullptr;
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if (actor->GetTarget() == nullptr)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimSearch);
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else
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aiNewState(actor, &gillBeastSearch);
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return;
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}
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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if (!actor->ValidateTarget(__FUNCTION__)) return;
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auto target = actor->GetTarget();
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XSPRITE* pXTarget = &actor->GetTarget()->x();
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int dx = target->spr.pos.X - actor->spr.pos.X;
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int dy = target->spr.pos.Y - actor->spr.pos.Y;
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aiChooseDirection(actor, getangle(dx, dy));
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if (pXTarget->health == 0)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimSearch);
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else
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aiNewState(actor, &gillBeastSearch);
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return;
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}
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if (target->IsPlayerActor() && powerupCheck(&gPlayer[target->spr.type - kDudePlayer1], kPwUpShadowCloak) > 0)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimSearch);
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else
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aiNewState(actor, &gillBeastSearch);
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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 - actor->spr.ang) & 2047) - 1024;
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int height = (pDudeInfo->eyeHeight * actor->spr.yrepeat) << 2;
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if (cansee(target->spr.pos.X, target->spr.pos.Y, target->spr.pos.Z, target->spr.sector(), actor->spr.pos.X, actor->spr.pos.Y, actor->spr.pos.Z - height, actor->spr.sector()))
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{
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if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
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{
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aiSetTarget(actor, actor->GetTarget());
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actor->dudeSlope = nDist == 0 ? 0 : DivScale(target->spr.pos.Z - actor->spr.pos.Z, nDist, 10);
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if (nDist < 921 && abs(nDeltaAngle) < 28)
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{
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int hit = HitScan(actor, actor->spr.pos.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(actor, &gillBeastSwimBite);
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else
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aiNewState(actor, &gillBeastBite);
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break;
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case 3:
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if (actor->spr.type != gHitInfo.actor()->spr.type)
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{
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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimBite);
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else
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aiNewState(actor, &gillBeastBite);
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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(actor, &gillBeastSwimDodge);
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else
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aiNewState(actor, &gillBeastDodge);
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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(actor, &gillBeastSwimBite);
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else
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aiNewState(actor, &gillBeastBite);
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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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if (pXSector && pXSector->Underwater)
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aiNewState(actor, &gillBeastSwimGoto);
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else
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aiNewState(actor, &gillBeastGoto);
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sfxPlay3DSound(actor, 1701, -1, 0);
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actor->SetTarget(nullptr);
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}
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static void gillThinkSwimGoto(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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int dx = pXSprite->targetX - actor->spr.pos.X;
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int dy = pXSprite->targetY - actor->spr.pos.Y;
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int nAngle = getangle(dx, dy);
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int nDist = approxDist(dx, dy);
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aiChooseDirection(actor, nAngle);
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if (nDist < 512 && abs(actor->spr.ang - nAngle) < pDudeInfo->periphery)
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aiNewState(actor, &gillBeastSwimSearch);
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aiThinkTarget(actor);
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}
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static void gillThinkSwimChase(DBloodActor* actor)
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{
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if (actor->GetTarget() == nullptr)
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{
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aiNewState(actor, &gillBeastSwimSearch);
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return;
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}
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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if (!actor->ValidateTarget(__FUNCTION__)) return;
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auto target = actor->GetTarget();
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XSPRITE* pXTarget = &actor->GetTarget()->x();
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int dx = target->spr.pos.X - actor->spr.pos.X;
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int dy = target->spr.pos.Y - actor->spr.pos.Y;
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aiChooseDirection(actor, getangle(dx, dy));
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if (pXTarget->health == 0)
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{
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aiNewState(actor, &gillBeastSwimSearch);
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return;
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}
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if (target->IsPlayerActor() && powerupCheck(&gPlayer[target->spr.type - kDudePlayer1], kPwUpShadowCloak) > 0)
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{
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aiNewState(actor, &gillBeastSwimSearch);
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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 - actor->spr.ang) & 2047) - 1024;
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int height = pDudeInfo->eyeHeight + actor->spr.pos.Z;
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int top, bottom;
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GetActorExtents(actor, &top, &bottom);
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if (cansee(target->spr.pos.X, target->spr.pos.Y, target->spr.pos.Z, target->spr.sector(), actor->spr.pos.X, actor->spr.pos.Y, actor->spr.pos.Z - height, actor->spr.sector()))
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{
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if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
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{
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aiSetTarget(actor, actor->GetTarget());
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if (nDist < 0x400 && abs(nDeltaAngle) < 85)
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aiNewState(actor, &gillBeastSwimBite);
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else
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{
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aiPlay3DSound(actor, 1700, AI_SFX_PRIORITY_1, -1);
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aiNewState(actor, &gillBeast13A154);
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}
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}
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}
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else
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aiNewState(actor, &gillBeast13A154);
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return;
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}
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aiNewState(actor, &gillBeastSwimGoto);
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actor->SetTarget(nullptr);
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}
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static void sub_6CB00(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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int nAng = ((pXSprite->goalAng + 1024 - actor->spr.ang) & 2047) - 1024;
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int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
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actor->spr.ang = (actor->spr.ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
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int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 27) / 120) / 120) << 2;
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if (abs(nAng) > 341)
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return;
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if (actor->GetTarget() == nullptr)
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actor->spr.ang = (actor->spr.ang + 256) & 2047;
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int dx = pXSprite->targetX - actor->spr.pos.X;
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int dy = pXSprite->targetY - actor->spr.pos.Y;
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int nDist = approxDist(dx, dy);
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if (Random(64) < 32 && nDist <= 0x400)
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return;
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int nCos = Cos(actor->spr.ang);
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int nSin = Sin(actor->spr.ang);
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int vx = actor->xvel;
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int vy = actor->yvel;
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int t1 = DMulScale(vx, nCos, vy, nSin, 30);
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int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
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if (actor->GetTarget() == nullptr)
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t1 += nAccel;
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else
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t1 += nAccel >> 2;
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actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
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actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
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}
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static void sub_6CD74(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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if (!actor->ValidateTarget(__FUNCTION__)) return;
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auto target = actor->GetTarget();
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int z = actor->spr.pos.Z + getDudeInfo(actor->spr.type)->eyeHeight;
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int z2 = target->spr.pos.Z + getDudeInfo(target->spr.type)->eyeHeight;
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int nAng = ((pXSprite->goalAng + 1024 - actor->spr.ang) & 2047) - 1024;
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int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
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actor->spr.ang = (actor->spr.ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
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int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 27) / 120) / 120) << 2;
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if (abs(nAng) > 341)
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{
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pXSprite->goalAng = (actor->spr.ang + 512) & 2047;
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return;
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}
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int dx = pXSprite->targetX - actor->spr.pos.X;
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int dy = pXSprite->targetY - actor->spr.pos.Y;
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int dz = z2 - z;
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int nDist = approxDist(dx, dy);
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if (Chance(0x600) && nDist <= 0x400)
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return;
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int nCos = Cos(actor->spr.ang);
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int nSin = Sin(actor->spr.ang);
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int vx = actor->xvel;
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int vy = actor->yvel;
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int t1 = DMulScale(vx, nCos, vy, nSin, 30);
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int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
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t1 += nAccel;
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actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
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actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
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actor->zvel = -dz;
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}
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static void sub_6D03C(DBloodActor* actor)
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{
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auto pXSprite = &actor->x();
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assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
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DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
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if (!actor->ValidateTarget(__FUNCTION__)) return;
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auto target = actor->GetTarget();
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int z = actor->spr.pos.Z + getDudeInfo(actor->spr.type)->eyeHeight;
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int z2 = target->spr.pos.Z + getDudeInfo(target->spr.type)->eyeHeight;
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int nAng = ((pXSprite->goalAng + 1024 - actor->spr.ang) & 2047) - 1024;
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int nTurnRange = (pDudeInfo->angSpeed << 2) >> 4;
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actor->spr.ang = (actor->spr.ang + ClipRange(nAng, -nTurnRange, nTurnRange)) & 2047;
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int nAccel = (pDudeInfo->frontSpeed - (((4 - gGameOptions.nDifficulty) << 27) / 120) / 120) << 2;
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if (abs(nAng) > 341)
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{
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actor->spr.ang = (actor->spr.ang + 512) & 2047;
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return;
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}
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int dx = pXSprite->targetX - actor->spr.pos.X;
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int dy = pXSprite->targetY - actor->spr.pos.Y;
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int dz = (z2 - z) << 3;
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int nDist = approxDist(dx, dy);
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if (Chance(0x4000) && nDist <= 0x400)
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return;
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int nCos = Cos(actor->spr.ang);
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int nSin = Sin(actor->spr.ang);
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int vx = actor->xvel;
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int vy = actor->yvel;
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int t1 = DMulScale(vx, nCos, vy, nSin, 30);
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int t2 = DMulScale(vx, nSin, -vy, nCos, 30);
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t1 += nAccel >> 1;
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actor->xvel = DMulScale(t1, nCos, t2, nSin, 30);
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actor->yvel = DMulScale(t1, nSin, -t2, nCos, 30);
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actor->zvel = dz;
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}
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END_BLD_NS
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