mirror of
https://github.com/ZDoom/Raze.git
synced 2025-02-11 09:20:52 +00:00
120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
//-------------------------------------------------------------------------
|
|
/*
|
|
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 "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)
|
|
{
|
|
int dx = bcos(actor->int_ang());
|
|
int dy = bsin(actor->int_ang());
|
|
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
|
|
if (!actor->ValidateTarget(__FUNCTION__)) return;
|
|
auto target = actor->GetTarget();
|
|
if (target->IsPlayerActor())
|
|
actFireVector(actor, 0, 0, dx, dy, target->int_pos().Z - actor->int_pos().Z, kVectorRatBite);
|
|
}
|
|
|
|
static void ratThinkSearch(DBloodActor* actor)
|
|
{
|
|
aiChooseDirection(actor, actor->xspr.goalAng);
|
|
aiThinkTarget(actor);
|
|
}
|
|
|
|
static void ratThinkGoto(DBloodActor* actor)
|
|
{
|
|
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
|
|
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
|
|
auto dvec = actor->xspr.TargetPos.XY() - actor->spr.pos.XY();
|
|
int nAngle = getangle(dvec);
|
|
int nDist = approxDist(dvec);
|
|
aiChooseDirection(actor, DAngle::fromBuild(nAngle));
|
|
if (nDist < 512 && abs(actor->int_ang() - nAngle) < pDudeInfo->periphery)
|
|
aiNewState(actor, &ratSearch);
|
|
aiThinkTarget(actor);
|
|
}
|
|
|
|
static void ratThinkChase(DBloodActor* actor)
|
|
{
|
|
if (actor->GetTarget() == nullptr)
|
|
{
|
|
aiNewState(actor, &ratGoto);
|
|
return;
|
|
}
|
|
assert(actor->spr.type >= kDudeBase && actor->spr.type < kDudeMax);
|
|
DUDEINFO* pDudeInfo = getDudeInfo(actor->spr.type);
|
|
auto target = actor->GetTarget();
|
|
|
|
auto dvec = target->spr.pos.XY() - actor->spr.pos.XY();
|
|
int nAngle = getangle(dvec);
|
|
int nDist = approxDist(dvec);
|
|
aiChooseDirection(actor, DAngle::fromBuild(nAngle));
|
|
if (target->xspr.health == 0)
|
|
{
|
|
aiNewState(actor, &ratSearch);
|
|
return;
|
|
}
|
|
if (target->IsPlayerActor() && powerupCheck(&gPlayer[target->spr.type - kDudePlayer1], kPwUpShadowCloak) > 0)
|
|
{
|
|
aiNewState(actor, &ratSearch);
|
|
return;
|
|
}
|
|
|
|
if (nDist <= pDudeInfo->seeDist)
|
|
{
|
|
int nDeltaAngle = getincangle(actor->int_ang(), nAngle);
|
|
double height = (pDudeInfo->eyeHeight * actor->spr.yrepeat) * REPEAT_SCALE;
|
|
if (cansee(target->spr.pos, target->sector(), actor->spr.pos.plusZ(-height), actor->sector()))
|
|
{
|
|
if (nDist < pDudeInfo->seeDist && abs(nDeltaAngle) <= pDudeInfo->periphery)
|
|
{
|
|
aiSetTarget(actor, actor->GetTarget());
|
|
if (nDist < 0x399 && abs(nDeltaAngle) < 85)
|
|
aiNewState(actor, &ratBite);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
aiNewState(actor, &ratGoto);
|
|
actor->SetTarget(nullptr);
|
|
}
|
|
|
|
END_BLD_NS
|