raze/source/exhumed/src/wasp.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 "aistuff.h"
#include "engine.h"
#include "exhumed.h"
#include "sequence.h"
#include <assert.h>
BEGIN_PS_NS
enum { kMaxWasps = 100 };
static short nWaspVelShift = 0;
short nWaspCount;
struct Wasp
{
short nHealth;
short nFrame;
short nAction;
short nSprite;
short nRun;
short nTarget;
short field_C;
short field_E;
short field_10;
short field_12;
short field_14;
short nDamage;
};
Wasp WaspList[kMaxWasps];
static actionSeq WaspSeq[] = {
{0, 0},
{0, 0},
{9, 0},
{18, 0},
{27, 1},
{28, 1},
{29, 1}
};
static SavegameHelper sghwasp("wasp",
SV(nWaspVelShift),
SV(nWaspCount),
SA(WaspList),
nullptr);
void InitWasps()
{
nWaspCount = 0;
}
void SetWaspVel(short nSprite)
{
if (nWaspVelShift < 0)
{
sprite[nSprite].xvel = Cos(sprite[nSprite].ang) << -nWaspVelShift;
sprite[nSprite].yvel = Sin(sprite[nSprite].ang) << -nWaspVelShift;
}
else
{
sprite[nSprite].xvel = Cos(sprite[nSprite].ang) >> nWaspVelShift;
sprite[nSprite].yvel = Sin(sprite[nSprite].ang) >> nWaspVelShift;
}
}
int BuildWasp(short nSprite, int x, int y, int z, short nSector, short nAngle)
{
if (nWaspCount >= kMaxWasps) {
return -1;
}
short nWasp = nWaspCount;
nWaspCount++;
uint8_t bEggWasp = false;
if (nSprite == -2) {
bEggWasp = true;
}
if (nSprite < 0)
{
nSprite = insertsprite(nSector, 107);
assert(nSprite >= 0 && nSprite < kMaxSprites);
sprite[nSprite].x = x;
sprite[nSprite].y = y;
sprite[nSprite].z = z;
}
else
{
nAngle = sprite[nSprite].ang;
changespritestat(nSprite, 107);
}
sprite[nSprite].shade = -12;
sprite[nSprite].cstat = 0x101;
sprite[nSprite].pal = sector[sprite[nSprite].sectnum].ceilingpal;
sprite[nSprite].clipdist = 70;
if (bEggWasp)
{
sprite[nSprite].xrepeat = 20;
sprite[nSprite].yrepeat = 20;
}
else
{
sprite[nSprite].xrepeat = 50;
sprite[nSprite].yrepeat = 50;
}
sprite[nSprite].xoffset = 0;
sprite[nSprite].yoffset = 0;
sprite[nSprite].picnum = 1;
sprite[nSprite].ang = nAngle;
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
sprite[nSprite].hitag = 0;
sprite[nSprite].lotag = runlist_HeadRun() + 1;
sprite[nSprite].extra = -1;
// GrabTimeSlot(3);
WaspList[nWasp].nAction = 0;
WaspList[nWasp].nFrame = 0;
WaspList[nWasp].nSprite = nSprite;
WaspList[nWasp].nTarget = -1;
WaspList[nWasp].nHealth = 800;
WaspList[nWasp].nDamage = 10;
if (bEggWasp)
{
WaspList[nWasp].field_C = 60;
WaspList[nWasp].nDamage /= 2;
}
else
{
WaspList[nWasp].field_C = RandomSize(5);
}
WaspList[nWasp].field_E = 0;
WaspList[nWasp].field_14 = 0;
WaspList[nWasp].field_12 = 0;
WaspList[nWasp].field_10 = RandomSize(7) + 127;
sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, nWasp | 0x1E0000);
WaspList[nWasp].nRun = runlist_AddRunRec(NewRun, nWasp | 0x1E0000);
nCreaturesTotal++;
return nSprite;
}
void FuncWasp(int a, int nDamage, int nRun)
{
short nWasp = RunData[nRun].nVal;
short nSprite = WaspList[nWasp].nSprite;
short nAction = WaspList[nWasp].nAction;
short nTarget = -1;
bool bVal = false;
int nMessage = a & kMessageMask;
switch (nMessage)
{
case 0x90000:
{
seq_PlotSequence(a & 0xFFFF, SeqOffsets[kSeqWasp] + WaspSeq[nAction].a, WaspList[nWasp].nFrame, WaspSeq[nAction].b);
return;
}
case 0xA0000:
{
if (!(sprite[nSprite].cstat & 0x101))
return;
nDamage = runlist_CheckRadialDamage(nSprite);
// fall through to case 0x80000
fallthrough__;
}
case 0x80000:
{
if (!nDamage) {
return;
}
if (WaspList[nWasp].nHealth > 0)
{
WaspList[nWasp].nHealth -= nDamage;
if (WaspList[nWasp].nHealth > 0)
{
if (!RandomSize(4))
{
WaspList[nWasp].nAction = 3;
WaspList[nWasp].nFrame = 0;
}
WaspList[nWasp].nAction = 1;
sprite[nSprite].ang += RandomSize(9) + 768;
sprite[nSprite].ang &= kAngleMask;
WaspList[nWasp].field_12 = 3000;
sprite[nSprite].zvel = (-20) - RandomSize(6);
}
else
{
// Wasp is dead
nWaspVelShift = 0;
WaspList[nWasp].nAction = 4;
WaspList[nWasp].nFrame = 0;
sprite[nSprite].cstat = 0;
sprite[nSprite].ang = (sprite[nSprite].ang + 1024) & kAngleMask;
SetWaspVel(nSprite);
sprite[nSprite].zvel = 512;
nCreaturesKilled++;
}
}
return;
}
case 0x20000:
{
short nSeq = SeqOffsets[kSeqWasp] + WaspSeq[nAction].a;
sprite[nSprite].picnum = seq_GetSeqPicnum2(nSeq, WaspList[nWasp].nFrame);
seq_MoveSequence(nSprite, nSeq, WaspList[nWasp].nFrame);
WaspList[nWasp].nFrame++;
if (WaspList[nWasp].nFrame >= SeqSize[nSeq])
{
WaspList[nWasp].nFrame = 0;
bVal = true;
}
if (WaspList[nWasp].nHealth > 0)
{
nTarget = WaspList[nWasp].nTarget;
if (nTarget > -1 && (!(sprite[nTarget].cstat & 0x101) || (SectFlag[sprite[nTarget].sectnum] & kSectUnderwater)))
{
// goto pink
WaspList[nWasp].nTarget = -1;
WaspList[nWasp].nAction = 0;
WaspList[nWasp].field_C = RandomSize(6);
return;
}
}
switch (nAction)
{
default:
return;
case 0:
{
sprite[nSprite].zvel = Sin(WaspList[nWasp].field_E) >> 4;
WaspList[nWasp].field_E += WaspList[nWasp].field_10;
WaspList[nWasp].field_E &= kAngleMask;
MoveCreature(nSprite);
if (nTarget >= 0)
{
WaspList[nWasp].field_C--;
if (WaspList[nWasp].field_C > 0)
{
PlotCourseToSprite(nSprite, nTarget);
}
else
{
sprite[nSprite].zvel = 0;
WaspList[nWasp].nAction = 1;
WaspList[nWasp].nFrame = 0;
WaspList[nWasp].field_12 = 1500;
WaspList[nWasp].field_C = RandomSize(5) + 60;
}
}
else
{
if ((nWasp & 0x1F) == (totalmoves & 0x1F)) {
WaspList[nWasp].nTarget = FindPlayer(nSprite, 60);
}
}
return;
}
case 1:
{
WaspList[nWasp].field_C--;
if (WaspList[nWasp].field_C <= 0)
{
WaspList[nWasp].nAction = 0;
WaspList[nWasp].field_C = RandomSize(6);
return;
}
int nChaseVal = AngleChase(nSprite, nTarget, WaspList[nWasp].field_12, 0, 16);
switch (nChaseVal & 0xC000)
{
default:
return;
case 0x8000:
{
return;
}
case 0xC000:
{
short nSprite2 = (nChaseVal & 0x3FFF);
if (nSprite2 == nTarget)
{
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
runlist_DamageEnemy(nSprite2, nSprite, WaspList[nWasp].nDamage);
WaspList[nWasp].nAction = 2;
WaspList[nWasp].nFrame = 0;
}
return;
}
}
return;
}
case 2:
case 3:
{
if (bVal)
{
sprite[nSprite].ang += RandomSize(9) + 768;
sprite[nSprite].ang &= kAngleMask;
sprite[nSprite].zvel = (-20) - RandomSize(6);
WaspList[nWasp].nAction = 1;
WaspList[nWasp].field_12 = 3000;
}
return;
}
case 4:
{
int nMove = MoveCreature(nSprite) & 0x8000;
nMove |= 0xC000;
if (nMove)
{
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 1024;
WaspList[nWasp].nAction = 5;
WaspList[nWasp].nFrame = 0;
}
return;
}
case 5:
{
short nSector = sprite[nSprite].sectnum;
sprite[nSprite].z += sprite[nSprite].zvel;
if (sprite[nSprite].z >= sector[nSector].floorz)
{
if (SectBelow[nSector] > -1)
{
BuildSplash(nSprite, nSector);
sprite[nSprite].cstat |= 0x8000;
}
sprite[nSprite].xvel = 0;
sprite[nSprite].yvel = 0;
sprite[nSprite].zvel = 0;
WaspList[nWasp].nAction = 6;
WaspList[nWasp].nFrame = 0;
runlist_SubRunRec(WaspList[nWasp].nRun);
}
return;
}
}
break;
}
}
}
END_PS_NS