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raze/source/exhumed/src/scorp.cpp

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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 "engine.h"
#include "scorp.h"
#include "runlist.h"
#include "exhumed.h"
#include "move.h"
#include "sequence.h"
#include "sound.h"
#include "random.h"
#include "trigdat.h"
#include "bullet.h"
#include "spider.h"
#include <assert.h>
BEGIN_PS_NS
/*
Selkis Boss AI code
*/
short ScorpCount = -1;
Scorpion scorpion[kMaxScorpions];
short ScorpChan[kMaxScorpions];
static actionSeq ActionSeq[] = {
{0, 0},
{8, 0},
{29, 0},
{19, 0},
{45, 1},
{46, 1},
{47, 1},
{48, 1},
{50, 1},
{53, 1}
};
void InitScorp()
{
ScorpCount = kMaxScorpions;
}
int BuildScorp(short nSprite, int x, int y, int z, short nSector, short nAngle, int nChannel)
{
ScorpCount--;
if (ScorpCount < 0) {
return -1;
}
short nScorp = ScorpCount;
if (nSprite == -1)
{
nSprite = insertsprite(nSector, 122);
}
else
{
changespritestat(nSprite, 122);
x = sprite[nSprite].x;
y = sprite[nSprite].y;
z = sector[sprite[nSprite].sectnum].floorz;
nAngle = sprite[nSprite].ang;
}
assert(nSprite >= 0 && nSprite < kMaxSprites);
sprite[nSprite].x = x;
sprite[nSprite].y = y;
sprite[nSprite].z = z;
sprite[nSprite].cstat = 0x101;
sprite[nSprite].clipdist = 70;
sprite[nSprite].shade = -12;
sprite[nSprite].xrepeat = 80;
sprite[nSprite].yrepeat = 80;
sprite[nSprite].picnum = 1;
sprite[nSprite].pal = sector[sprite[nSprite].sectnum].ceilingpal;
sprite[nSprite].xoffset = 0;
sprite[nSprite].yoffset = 0;
sprite[nSprite].ang = nAngle;
sprite[nSprite].zvel = 0;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].lotag = runlist_HeadRun() + 1;
sprite[nSprite].extra = -1;
sprite[nSprite].hitag = 0;
// GrabTimeSlot(3);
scorpion[ScorpCount].nHealth = 20000;
scorpion[ScorpCount].nFrame = 0;
scorpion[ScorpCount].nAction = 0;
scorpion[ScorpCount].nSprite = nSprite;
scorpion[ScorpCount].nTarget = -1;
scorpion[ScorpCount].g = 0;
scorpion[ScorpCount].i = 1;
ScorpChan[nScorp] = nChannel;
sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nScorp | 0x220000);
scorpion[nScorp].f = runlist_AddRunRec(NewRun, nScorp | 0x220000);
nCreaturesLeft++;
return nScorp | 0x220000;
}
void FuncScorp(int a, int nDamage, int nRun)
{
short nScorp = RunData[nRun].nVal;
assert(nScorp >= 0 && nScorp < kMaxScorpions);
int edi = 0;
short nSprite = scorpion[nScorp].nSprite;
short nAction = scorpion[nScorp].nAction;
short nTarget = -1;
int nMessage = a & 0x7F0000;
switch (nMessage)
{
default:
{
Printf("unknown msg %d for Scorp\n", a & 0x7F0000);
return;
}
case 0x90000:
{
seq_PlotSequence(a & 0xFFFF, SeqOffsets[kSeqScorp] + ActionSeq[nAction].a, scorpion[nScorp].nFrame, ActionSeq[nAction].b);
return;
}
case 0xA0000:
{
nDamage = runlist_CheckRadialDamage(nSprite);
if (!nDamage) {
return;
}
// else fall through to case 0x80000
fallthrough__;
}
case 0x80000:
{
if (scorpion[nScorp].nHealth <= 0) {
return;
}
scorpion[nScorp].nHealth -= nDamage;
if (scorpion[nScorp].nHealth <= 0)
{
scorpion[nScorp].nHealth = 0;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
scorpion[nScorp].nAction = 4;
scorpion[nScorp].nFrame = 0;
sprite[nSprite].cstat &= 0xFEFE;
nCreaturesLeft--;
scorpion[nScorp].g = 10;
return;
}
else
{
nTarget = a & 0xFFFF;
if (nTarget >= 0)
{
if (sprite[nSprite].statnum == 100 || (sprite[nSprite].statnum < 199 && !RandomSize(5)))
{
scorpion[nScorp].nTarget = nTarget;
}
}
if (!RandomSize(5))
{
scorpion[nScorp].nAction = RandomSize(2) + 4;
scorpion[nScorp].nFrame = 0;
return;
}
if (RandomSize(2)) {
return;
}
D3PlayFX(StaticSound[kSound41], nSprite);
goto FS_Pink_A;
}
}
case 0x20000:
{
if (scorpion[nScorp].nHealth) {
Gravity(nSprite);
}
int nSeq = SeqOffsets[kSeqScorp] + ActionSeq[nAction].a;
sprite[nSprite].picnum = seq_GetSeqPicnum2(nSeq, scorpion[nScorp].nFrame);
seq_MoveSequence(nSprite, nSeq, scorpion[nScorp].nFrame);
scorpion[nScorp].nFrame++;
if (scorpion[nScorp].nFrame >= SeqSize[nSeq])
{
scorpion[nScorp].nFrame = 0;
edi = 1;
}
int nFlag = FrameFlag[SeqBase[nSeq] + scorpion[nScorp].nFrame];
nTarget = scorpion[nScorp].nTarget;
switch (nAction)
{
default:
return;
case 0:
{
if (scorpion[nScorp].g > 0)
{
scorpion[nScorp].g--;
return;
}
if ((nScorp & 31) == (totalmoves & 31))
{
if (nTarget < 0)
{
nTarget = FindPlayer(nSprite, 500);
if (nTarget >= 0)
{
D3PlayFX(StaticSound[kSound41], nSprite);
scorpion[nScorp].nFrame = 0;
sprite[nSprite].xvel = Sin(sprite[nSprite].ang + 512);
sprite[nSprite].yvel = Sin(sprite[nSprite].ang);
scorpion[nScorp].nAction = 1;
scorpion[nScorp].nTarget = nTarget;
}
}
}
return;
}
case 1:
{
scorpion[nScorp].i--;
if (scorpion[nScorp].i <= 0)
{
scorpion[nScorp].i = RandomSize(5);
// GOTO FS_Pink_A:
goto FS_Pink_A;
}
else
{
int nMove = MoveCreatureWithCaution(nSprite);
if ((nMove & 0xC000) == 0xC000)
{
if (nTarget == (nMove & 0x3FFF))
{
int nAngle = getangle(sprite[nTarget].x - sprite[nSprite].x, sprite[nTarget].y - sprite[nSprite].y);
if (AngleDiff(sprite[nSprite].ang, nAngle) < 64)
{
scorpion[nScorp].nAction = 2;
scorpion[nScorp].nFrame = 0;
}
// GOTO FS_Red
goto FS_Red;
}
else
{
// GOTO FS_Pink_A
goto FS_Pink_A;
}
}
else if ((nMove & 0xC000) == 0x8000)
{
// GOTO FS_Pink_A
goto FS_Pink_A;
}
else
{
// GOTO FS_Pink_B
goto FS_Pink_B;
}
}
}
case 2:
{
if (nTarget == -1)
{
scorpion[nScorp].nAction = 0;
scorpion[nScorp].g = 5;
}
else
{
if (PlotCourseToSprite(nSprite, nTarget) >= 768)
{
scorpion[nScorp].nAction = 1;
}
else if (nFlag & 0x80)
{
runlist_DamageEnemy(nTarget, nSprite, 7);
}
}
// GOTO FS_Red
goto FS_Red;
}
case 3:
{
if (edi)
{
scorpion[nScorp].h--;
if (scorpion[nScorp].h <= 0)
{
scorpion[nScorp].nAction = 1;
sprite[nSprite].xvel = Sin(sprite[nSprite].ang + 512);
sprite[nSprite].yvel = Sin(sprite[nSprite].ang);
scorpion[nScorp].nFrame = 0;
return;
}
}
if (!(nFlag & 0x80)) {
return;
}
short nBulletSprite = BuildBullet(nSprite, 16, 0, 0, -1, sprite[nSprite].ang, nTarget + 10000, 1) & 0xFFFF;
if (nBulletSprite > -1)
{
PlotCourseToSprite(nBulletSprite, nTarget);
}
return;
}
case 4:
case 5:
case 6:
case 7:
{
if (!edi) {
return;
}
if (scorpion[nScorp].nHealth > 0)
{
scorpion[nScorp].nAction = 1;
scorpion[nScorp].nFrame = 0;
scorpion[nScorp].g = 0;
return;
}
scorpion[nScorp].g--;
if (scorpion[nScorp].g <= 0)
{
scorpion[nScorp].nAction = 8;
}
else
{
scorpion[nScorp].nAction = RandomBit() + 6;
}
return;
}
case 8:
{
if (edi)
{
scorpion[nScorp].nAction++; // set to 9
scorpion[nScorp].nFrame = 0;
runlist_ChangeChannel(ScorpChan[nScorp], 1);
return;
}
int nSpider = BuildSpider(-1, sprite[nSprite].x, sprite[nSprite].y, sprite[nSprite].z, sprite[nSprite].sectnum, sprite[nSprite].ang);
if (nSpider != -1)
{
short nSpiderSprite = nSpider & 0xFFFF;
sprite[nSpiderSprite].ang = RandomSize(11);
int nRnd = RandomSize(5) + 1;
sprite[nSpiderSprite].xvel = (Sin(sprite[nSpiderSprite].ang + 512) >> 8) * nRnd;
sprite[nSpiderSprite].yvel = (Sin(sprite[nSpiderSprite].ang) >> 8) * nRnd;
sprite[nSpiderSprite].zvel = (-(RandomSize(5) + 3)) << 8;
}
return;
}
case 9:
{
sprite[nSprite].cstat &= 0xFEFE;
if (edi)
{
runlist_SubRunRec(scorpion[nScorp].f);
runlist_DoSubRunRec(sprite[nSprite].owner);
runlist_FreeRun(sprite[nSprite].lotag - 1);
mydeletesprite(nSprite);
}
return;
}
}
break;
}
}
FS_Pink_A:
PlotCourseToSprite(nSprite, nTarget);
sprite[nSprite].ang += RandomSize(7) - 63;
sprite[nSprite].ang &= kAngleMask;
sprite[nSprite].xvel = Sin(sprite[nSprite].ang + 512);
sprite[nSprite].yvel = Sin(sprite[nSprite].ang);
FS_Pink_B:
if (scorpion[nScorp].g)
{
scorpion[nScorp].g--;
}
else
{
scorpion[nScorp].g = 45;
if (cansee(sprite[nSprite].x, sprite[nSprite].y, sprite[nSprite].z - GetSpriteHeight(nSprite), sprite[nSprite].sectnum,
sprite[nTarget].x, sprite[nTarget].y, sprite[nTarget].z - GetSpriteHeight(nTarget), sprite[nTarget].sectnum))
{
sprite[nSprite].yvel = 0;
sprite[nSprite].xvel = 0;
sprite[nSprite].ang = GetMyAngle(sprite[nTarget].x - sprite[nSprite].x, sprite[nTarget].y - sprite[nSprite].y);
scorpion[nScorp].h = RandomSize(2) + RandomSize(3);
if (!scorpion[nScorp].h) {
scorpion[nScorp].g = RandomSize(5);
}
else
{
scorpion[nScorp].nAction = 3;
scorpion[nScorp].nFrame = 0;
}
}
}
FS_Red:
if (!nAction || nTarget == -1) {
return;
}
if (!(sprite[nTarget].cstat & 0x101))
{
scorpion[nScorp].nAction = 0;
scorpion[nScorp].nFrame = 0;
scorpion[nScorp].g = 30;
scorpion[nScorp].nTarget = -1;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
}
}
END_PS_NS
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