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raze/source/games/exhumed/src/lion.cpp
Christoph Oelckers fd78cb57c1 - fixed some bad flag replacements. 
0x7fff is not ~CSTAT_SPRITE_BLOCK but ~CSTAT_SPRITE_INVISIBLE.
2021-12-30 09:57:29 +01:00

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//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 sirlemonhead, Nuke.YKT
This file is part of PCExhumed.
PCExhumed 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"
#include "aistuff.h"
#include "engine.h"
#include "exhumed.h"
#include "sequence.h"
#include "sound.h"
#include <assert.h>
BEGIN_PS_NS
static actionSeq LionSeq[] = {
{54, 1},
{18, 0},
{0, 0},
{10, 0},
{44, 0},
{18, 0},
{26, 0},
{34, 0},
{8, 1},
{9, 1},
{52, 1},
{53, 1}
};
void BuildLion(DExhumedActor* pActor, int x, int y, int z, sectortype* pSector, int nAngle)
{
if (pActor == nullptr)
{
pActor = insertActor(pSector, 104);
}
else
{
ChangeActorStat(pActor, 104);
x = pActor->spr.pos.X;
y = pActor->spr.pos.Y;
z = pActor->spr.sector()->floorz;
nAngle = pActor->spr.ang;
}
pActor->spr.pos.X = x;
pActor->spr.pos.Y = y;
pActor->spr.pos.Z = z;
pActor->spr.cstat = CSTAT_SPRITE_BLOCK_ALL;
pActor->spr.clipdist = 60;
pActor->spr.shade = -12;
pActor->spr.xrepeat = 40;
pActor->spr.yrepeat = 40;
pActor->spr.picnum = 1;
pActor->spr.pal = pActor->spr.sector()->ceilingpal;
pActor->spr.xoffset = 0;
pActor->spr.yoffset = 0;
pActor->spr.ang = nAngle;
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
pActor->spr.zvel = 0;
pActor->spr.lotag = runlist_HeadRun() + 1;
pActor->spr.hitag = 0;
pActor->spr.extra = -1;
// GrabTimeSlot(3);
pActor->nAction = 0;
pActor->nHealth = 500;
pActor->nFrame = 0;
pActor->pTarget = nullptr;
pActor->nCount = 0;
pActor->nPhase = Counters[kCountLion]++;
pActor->spr.owner = runlist_AddRunRec(pActor->spr.lotag - 1, pActor, 0x130000);
pActor->nRun = runlist_AddRunRec(NewRun, pActor, 0x130000);
nCreaturesTotal++;
}
void AILion::Draw(RunListEvent* ev)
{
auto pActor = ev->pObjActor;
if (!pActor) return;
int nAction = pActor->nAction;
seq_PlotSequence(ev->nParam, SeqOffsets[kSeqLion] + LionSeq[nAction].a, pActor->nFrame, LionSeq[nAction].b);
}
void AILion::RadialDamage(RunListEvent* ev)
{
auto pActor = ev->pObjActor;
if (!pActor) return;
ev->nDamage = runlist_CheckRadialDamage(pActor);
Damage(ev);
}
void AILion::Damage(RunListEvent* ev)
{
auto pActor = ev->pObjActor;
if (!pActor) return;
int nAction = pActor->nAction;
if (ev->nDamage && pActor->nHealth > 0)
{
pActor->nHealth -= dmgAdjust(ev->nDamage);
if (pActor->nHealth <= 0)
{
// R.I.P.
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
pActor->spr.zvel = 0;
pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
pActor->nHealth = 0;
nCreaturesKilled++;
if (nAction < 10)
{
DropMagic(pActor);
if (ev->isRadialEvent())
{
pActor->nAction = 11;
}
else
{
pActor->nAction = 10;
}
pActor->nFrame = 0;
return;
}
}
else
{
auto pTarget = ev->pOtherActor;
if (pTarget)
{
if (pTarget->spr.statnum < 199) {
pActor->pTarget = pTarget;
}
if (nAction != 6)
{
if (RandomSize(8) <= (pActor->nHealth >> 2))
{
pActor->nAction = 4;
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
}
else if (RandomSize(1))
{
PlotCourseToSprite(pActor, pTarget);
pActor->nAction = 5;
pActor->nCount = RandomSize(3);
pActor->spr.ang = (pActor->spr.ang - (RandomSize(1) << 8)) + (RandomSize(1) << 8); // NOTE: no angle mask in original code
}
else
{
pActor->nAction = 8;
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
}
pActor->nFrame = 0;
}
}
}
}
}
void AILion::Tick(RunListEvent* ev)
{
auto pActor = ev->pObjActor;
if (!pActor) return;
int nAction = pActor->nAction;
bool bVal = false;
if (nAction != 7) {
Gravity(pActor);
}
int nSeq = SeqOffsets[kSeqLion] + LionSeq[nAction].a;
pActor->spr.picnum = seq_GetSeqPicnum2(nSeq, pActor->nFrame);
seq_MoveSequence(pActor, nSeq, pActor->nFrame);
pActor->nFrame++;
if (pActor->nFrame >= SeqSize[nSeq])
{
pActor->nFrame = 0;
bVal = true;
}
int nFlag = FrameFlag[SeqBase[nSeq] + pActor->nFrame];
DExhumedActor* pTarget = pActor->pTarget;
auto nMov = MoveCreatureWithCaution(pActor);
switch (nAction)
{
default:
return;
case 0:
case 1:
{
if ((pActor->nPhase & 0x1F) == (totalmoves & 0x1F))
{
if (pTarget == nullptr)
{
pTarget = FindPlayer(pActor, 40);
if (pTarget)
{
D3PlayFX(StaticSound[kSound24], pActor);
pActor->nAction = 2;
pActor->nFrame = 0;
pActor->spr.xvel = bcos(pActor->spr.ang, -1);
pActor->spr.yvel = bsin(pActor->spr.ang, -1);
pActor->pTarget = pTarget;
return;
}
}
}
if (nAction && !easy())
{
pActor->nCount--;
if (pActor->nCount <= 0)
{
if (RandomBit())
{
pActor->spr.ang = RandomWord() & kAngleMask;
pActor->spr.xvel = bcos(pActor->spr.ang, -1);
pActor->spr.yvel = bsin(pActor->spr.ang, -1);
}
else
{
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
}
pActor->nCount = 100;
}
}
return;
}
case 2:
{
if ((totalmoves & 0x1F) == (pActor->nPhase & 0x1F))
{
PlotCourseToSprite(pActor, pTarget);
int nAng = pActor->spr.ang & 0xFFF8;
if (pActor->spr.cstat & CSTAT_SPRITE_INVISIBLE)
{
pActor->spr.xvel = bcos(nAng, 1);
pActor->spr.yvel = bsin(nAng, 1);
}
else
{
pActor->spr.xvel = bcos(nAng, -1);
pActor->spr.yvel = bsin(nAng, -1);
}
}
if (nMov.type == kHitWall)
{
// loc_378FA:
pActor->spr.ang = (pActor->spr.ang + 256) & kAngleMask;
pActor->spr.xvel = bcos(pActor->spr.ang, -1);
pActor->spr.yvel = bsin(pActor->spr.ang, -1);
break;
}
else if (nMov.type == kHitSprite)
{
if (nMov.actor() == pTarget)
{
if (pActor->spr.cstat & CSTAT_SPRITE_INVISIBLE)
{
pActor->nAction = 9;
pActor->spr.cstat &= ~CSTAT_SPRITE_INVISIBLE;
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
}
else
{
int nAng = getangle(pTarget->spr.pos.X - pActor->spr.pos.X, pTarget->spr.pos.Y - pActor->spr.pos.Y);
if (AngleDiff(pActor->spr.ang, nAng) < 64)
{
pActor->nAction = 3;
}
}
pActor->nFrame = 0;
break;
}
else
{
// loc_378FA:
pActor->spr.ang = (pActor->spr.ang + 256) & kAngleMask;
pActor->spr.xvel = bcos(pActor->spr.ang, -1);
pActor->spr.yvel = bsin(pActor->spr.ang, -1);
break;
}
}
break;
}
case 3:
{
if (pTarget == nullptr)
{
pActor->nAction = 1;
pActor->nCount = 50;
}
else
{
if (PlotCourseToSprite(pActor, pTarget) >= 768)
{
pActor->nAction = 2;
}
else if (nFlag & 0x80)
{
runlist_DamageEnemy(pTarget, pActor, 10);
}
}
break;
}
case 4:
{
if (bVal)
{
pActor->nAction = 2;
pActor->nFrame = 0;
}
if (nMov.exbits & kHitAux2)
{
pActor->spr.xvel >>= 1;
pActor->spr.yvel >>= 1;
}
return;
}
case 5: // Jump away when damaged
{
pActor->nCount--;
if (pActor->nCount <= 0)
{
pActor->spr.zvel = -4000;
pActor->nCount = 0;
int x = pActor->spr.pos.X;
int y = pActor->spr.pos.Y;
int z = pActor->spr.pos.Z - (GetActorHeight(pActor) >> 1);
int nCheckDist = 0x7FFFFFFF;
int nAngle = pActor->spr.ang;
int nScanAngle = (pActor->spr.ang - 512) & kAngleMask;
for (int i = 0; i < 5; i++)
{
HitInfo hit{};
hitscan({ x, y, z }, pActor->spr.sector(), { bcos(nScanAngle), bsin(nScanAngle), 0 }, hit, CLIPMASK1);
if (hit.hitWall)
{
int theX = abs(hit.hitpos.X - x);
int theY = abs(hit.hitpos.Y - y);
if ((theX + theY) < nCheckDist)
{
nCheckDist = theX;
nAngle = nScanAngle;
}
}
nScanAngle += 256;
nScanAngle &= kAngleMask;
}
pActor->spr.ang = nAngle;
pActor->nAction = 6;
pActor->spr.xvel = bcos(pActor->spr.ang) - bcos(pActor->spr.ang, -3);
pActor->spr.yvel = bsin(pActor->spr.ang) - bsin(pActor->spr.ang, -3);
D3PlayFX(StaticSound[kSound24], pActor);
}
return;
}
case 6:
{
if (nMov.exbits)
{
pActor->nAction = 2;
pActor->nFrame = 0;
return;
}
if (nMov.type == kHitWall)
{
pActor->nAction = 7;
pActor->spr.ang = (GetWallNormal(nMov.hitWall) + 1024) & kAngleMask;
pActor->nCount = RandomSize(4);
return;
}
else if (nMov.type == kHitSprite)
{
if (nMov.actor() == pTarget)
{
int nAng = getangle(pTarget->spr.pos.X - pActor->spr.pos.X, pTarget->spr.pos.Y - pActor->spr.pos.Y);
if (AngleDiff(pActor->spr.ang, nAng) < 64)
{
pActor->nAction = 3;
pActor->nFrame = 0;
}
}
else
{
// loc_378FA:
pActor->spr.ang = (pActor->spr.ang + 256) & kAngleMask;
pActor->spr.xvel = bcos(pActor->spr.ang, -1);
pActor->spr.yvel = bsin(pActor->spr.ang, -1);
break;
}
}
return;
}
case 7:
{
pActor->nCount--;
if (pActor->nCount <= 0)
{
pActor->nCount = 0;
if (pTarget)
{
PlotCourseToSprite(pActor, pTarget);
}
else
{
pActor->spr.ang = (RandomSize(9) + (pActor->spr.ang + 768)) & kAngleMask;
}
pActor->spr.zvel = -1000;
pActor->nAction = 6;
pActor->spr.xvel = bcos(pActor->spr.ang) - bcos(pActor->spr.ang, -3);
pActor->spr.yvel = bsin(pActor->spr.ang) - bsin(pActor->spr.ang, -3);
D3PlayFX(StaticSound[kSound24], pActor);
}
return;
}
case 8:
{
if (bVal)
{
pActor->nAction = 2;
pActor->nFrame = 0;
pActor->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
}
return;
}
case 9:
{
if (bVal)
{
pActor->nFrame = 0;
pActor->nAction = 2;
pActor->spr.cstat |= CSTAT_SPRITE_BLOCK_ALL;
}
return;
}
case 10:
case 11:
{
if (bVal)
{
runlist_SubRunRec(pActor->spr.owner);
runlist_SubRunRec(pActor->nRun);
pActor->spr.cstat = CSTAT_SPRITE_INVISIBLE;
}
return;
}
}
// loc_379AD: ?
if (nAction != 1 && pTarget != nullptr)
{
if (!(pTarget->spr.cstat & CSTAT_SPRITE_BLOCK_ALL))
{
pActor->nAction = 1;
pActor->nFrame = 0;
pActor->nCount = 100;
pActor->pTarget = nullptr;
pActor->spr.xvel = 0;
pActor->spr.yvel = 0;
}
}
}
END_PS_NS
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