mirror of
https://github.com/ZDoom/raze-gles.git
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411 lines
13 KiB
C++
411 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 sirlemonhead, Nuke.YKT
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This file is part of PCExhumed.
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PCExhumed 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 "exhumed.h"
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#include "engine.h"
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#include "runlist.h"
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#include "roach.h"
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#include "typedefs.h"
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#include "sequence.h"
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#include "move.h"
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#include "random.h"
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#include "trigdat.h"
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#include "bullet.h"
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#include "items.h"
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#include <assert.h>
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#define kMaxRoach 100
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int16_t RoachSprite = -1;
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int16_t RoachCount = -1;
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static actionSeq ActionSeq[] = {{ 24, 0 }, { 0, 0 }, { 0, 0 }, { 16, 0 }, { 8, 0 }, { 32, 1 }, { 42, 1 }};
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struct Roach
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{
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short nHealth;
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short field_2;
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short nAction;
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short nSprite;
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short nTarget;
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short field_A;
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short field_C;
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short field_E;
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};
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Roach RoachList[kMaxRoach];
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/* Kilmaat Sentry */
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void InitRoachs()
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{
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RoachCount = kMaxRoach;
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RoachSprite = 1;
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}
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// TODO - make nType a bool?
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int BuildRoach(int nType, int nSprite, int x, int y, int z, short nSector, int angle)
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{
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RoachCount--;
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if (RoachCount < 0) {
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return -1;
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}
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if (nSprite == -1)
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{
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nSprite = insertsprite(nSector, 105);
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}
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else
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{
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changespritestat(nSprite, 105);
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x = sprite[nSprite].x;
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y = sprite[nSprite].y;
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z = sector[sprite[nSprite].sectnum].floorz;
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angle = sprite[nSprite].ang;
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}
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assert(nSprite >= 0 && nSprite < kMaxSprites);
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sprite[nSprite].x = x;
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sprite[nSprite].y = y;
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sprite[nSprite].z = z;
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sprite[nSprite].cstat = 0x101;
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sprite[nSprite].shade = -12;
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sprite[nSprite].xoffset = 0;
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sprite[nSprite].yoffset = 0;
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sprite[nSprite].picnum = 1;
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sprite[nSprite].pal = sector[sprite[nSprite].sectnum].ceilingpal;
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sprite[nSprite].clipdist = 60;
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sprite[nSprite].ang = angle;
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sprite[nSprite].xrepeat = 40;
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sprite[nSprite].yrepeat = 40;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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sprite[nSprite].zvel = 0;
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sprite[nSprite].hitag = 0;
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sprite[nSprite].lotag = runlist_HeadRun() + 1;
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sprite[nSprite].extra = -1;
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// GrabTimeSlot(3);
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if (nType)
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{
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RoachList[RoachCount].nAction = 0;
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}
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else
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{
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RoachList[RoachCount].nAction = 1;
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}
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RoachList[RoachCount].nSprite = nSprite;
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RoachList[RoachCount].field_2 = 0;
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RoachList[RoachCount].field_C = 0;
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RoachList[RoachCount].nTarget = -1;
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RoachList[RoachCount].nHealth = 600;
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sprite[nSprite].owner = runlist_AddRunRec(sprite[nSprite].lotag - 1, RoachCount | 0x1C0000);
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RoachList[RoachCount].field_A = runlist_AddRunRec(NewRun, RoachCount | 0x1C0000);
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nCreaturesLeft++;
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return RoachCount | 0x1C0000;
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}
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void GoRoach(short nSprite)
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{
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sprite[nSprite].xvel = (Sin(sprite[nSprite].ang + 512) >> 1) - (Sin(sprite[nSprite].ang + 512) >> 3);
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sprite[nSprite].yvel = (Sin(sprite[nSprite].ang) >> 1) - (Sin(sprite[nSprite].ang) >> 3);
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}
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void FuncRoach(int a, int nDamage, int nRun)
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{
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short nRoach = RunData[nRun].nVal;
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assert(nRoach >= 0 && nRoach < kMaxRoach);
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bool bVar_24 = false;
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short nSprite = RoachList[nRoach].nSprite;
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short nAction = RoachList[nRoach].nAction;
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int nMessage = a & 0x7F0000;
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switch (nMessage)
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{
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default:
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{
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DebugOut("unknown msg %d for Roach\n", a & 0x7F0000);
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return;
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}
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case 0x90000:
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{
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seq_PlotSequence(a & 0xFFFF, ActionSeq[nAction].a + SeqOffsets[kSeqRoach], RoachList[nRoach].field_2, ActionSeq[nAction].b);
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return;
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}
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case 0xA0000: // fall through to next case
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{
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nDamage = runlist_CheckRadialDamage(nSprite);
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}
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case 0x80000:
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{
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if (nDamage)
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{
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if (RoachList[nRoach].nHealth <= 0) {
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return;
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}
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RoachList[nRoach].nHealth -= nDamage;
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if (RoachList[nRoach].nHealth <= 0)
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{
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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sprite[nSprite].zvel = 0;
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RoachList[nRoach].nHealth = 0;
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sprite[nSprite].cstat &= 0xFEFE;
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nCreaturesLeft++; // This seems to be incorrect in original exe? should be decrementing?
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if (nAction < 5)
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{
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DropMagic(nSprite);
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RoachList[nRoach].nAction = 5;
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RoachList[nRoach].field_2 = 0;
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}
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}
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else
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{
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short nSprite2 = a & 0xFFFF;
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if (nSprite2 >= 0)
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{
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if (sprite[nSprite2].statnum < 199) {
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RoachList[nRoach].nTarget = nSprite2;
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}
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if (nAction == 0)
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{
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RoachList[nRoach].nAction = 2;
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GoRoach(nSprite);
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RoachList[nRoach].field_2 = 0;
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}
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else
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{
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if (!RandomSize(4))
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{
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RoachList[nRoach].nAction = 4;
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RoachList[nRoach].field_2 = 0;
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}
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}
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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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case 0x20000:
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{
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Gravity(nSprite);
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int nSeq = SeqOffsets[kSeqRoach] + ActionSeq[RoachList[nRoach].nAction].a;
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sprite[nSprite].picnum = seq_GetSeqPicnum2(nSeq, RoachList[nRoach].field_2);
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seq_MoveSequence(nSprite, nSeq, RoachList[nRoach].field_2);
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RoachList[nRoach].field_2++;
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if (RoachList[nRoach].field_2 >= SeqSize[nSeq])
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{
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bVar_24 = true;
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RoachList[nRoach].field_2 = 0;
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}
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int nFlag = FrameFlag[SeqBase[nSeq] + RoachList[nRoach].field_2];
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short nTarget = RoachList[nRoach].nTarget;
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if (nAction > 5) {
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return;
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}
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switch (nAction)
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{
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case 0:
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{
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if (RoachList[nRoach].field_2 == 1)
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{
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RoachList[nRoach].field_C--;
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if (RoachList[nRoach].field_C <= 0)
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{
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RoachList[nRoach].field_C = RandomSize(6);
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}
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else
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{
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RoachList[nRoach].field_2 = 0;
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}
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}
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if (((nRoach & 0xF) == (totalmoves & 0xF)) && nTarget < 0)
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{
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short nTarget = FindPlayer(nSprite, 50);
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if (nTarget >= 0)
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{
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RoachList[nRoach].nAction = 2;
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RoachList[nRoach].field_2 = 0;
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RoachList[nRoach].nTarget = nTarget;
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GoRoach(nSprite);
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}
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}
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return;
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}
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case 1:
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{
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// parltly the same as case 0...
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if (((nRoach & 0xF) == (totalmoves & 0xF)) && nTarget < 0)
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{
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short nTarget = FindPlayer(nSprite, 100);
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if (nTarget >= 0)
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{
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RoachList[nRoach].nAction = 2;
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RoachList[nRoach].field_2 = 0;
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RoachList[nRoach].nTarget = nTarget;
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GoRoach(nSprite);
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}
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}
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return;
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}
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case 2:
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{
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if ((totalmoves & 0xF) == (nRoach & 0xF))
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{
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PlotCourseToSprite(nSprite, nTarget);
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GoRoach(nSprite);
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}
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int nVal = MoveCreatureWithCaution(nSprite);
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if ((nVal & 0xC000) == 49152)
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{
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if ((nVal & 0x3FFF) == nTarget)
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{
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// repeated below
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RoachList[nRoach].field_E = RandomSize(2) + 1;
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RoachList[nRoach].nAction = 3;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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sprite[nSprite].ang = GetMyAngle(sprite[nTarget].x - sprite[nSprite].x, sprite[nTarget].y - sprite[nSprite].y);
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RoachList[nRoach].field_2 = 0;
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}
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else
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{
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sprite[nSprite].ang = (sprite[nSprite].ang + 256) & kAngleMask;
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GoRoach(nSprite);
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}
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}
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else if ((nVal & 0xC000) == 32768)
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{
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sprite[nSprite].ang = (sprite[nSprite].ang + 256) & kAngleMask;
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GoRoach(nSprite);
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}
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//else if ((nVal & 0xC000) < 32768)
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else
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{
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if (RoachList[nRoach].field_C != 0)
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{
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RoachList[nRoach].field_C--;
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}
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else
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{
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// same as above
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RoachList[nRoach].field_E = RandomSize(2) + 1;
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RoachList[nRoach].nAction = 3;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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sprite[nSprite].ang = GetMyAngle(sprite[nTarget].x - sprite[nSprite].x, sprite[nTarget].y - sprite[nSprite].y);
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RoachList[nRoach].field_2 = 0;
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}
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}
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if (nTarget != -1 && !(sprite[nTarget].cstat & 0x101))
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{
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RoachList[nRoach].nAction = 1;
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RoachList[nRoach].field_2 = 0;
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RoachList[nRoach].field_C = 100;
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RoachList[nRoach].nTarget = -1;
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sprite[nSprite].xvel = 0;
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sprite[nSprite].yvel = 0;
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}
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return;
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}
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case 3:
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{
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if (bVar_24)
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{
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RoachList[nRoach].field_E--;
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if (RoachList[nRoach].field_E <= 0)
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{
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RoachList[nRoach].nAction = 2;
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GoRoach(nSprite);
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RoachList[nRoach].field_2 = 0;
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RoachList[nRoach].field_C = RandomSize(7);
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}
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}
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else
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{
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if (nFlag & 0x80)
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{
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BuildBullet(nSprite, 13, 0, 0, -1, sprite[nSprite].ang, nTarget + 10000, 1);
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}
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}
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return;
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}
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case 4:
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{
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if (bVar_24)
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{
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RoachList[nRoach].nAction = 2;
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RoachList[nRoach].field_2 = 0;
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}
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return;
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}
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case 5:
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{
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if (bVar_24)
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{
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sprite[nSprite].cstat = 0;
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RoachList[nRoach].nAction = 6;
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RoachList[nRoach].field_2 = 0;
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}
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return;
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}
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}
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}
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}
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}
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