mirror of
https://github.com/ZDoom/Raze.git
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1511 lines
35 KiB
C++
1511 lines
35 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 "ns.h"
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#include "engine.h"
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#include "exhumed.h"
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#include "aistuff.h"
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#include "player.h"
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#include "view.h"
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#include "status.h"
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#include "sound.h"
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#include "mapinfo.h"
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#include <string.h>
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#include <assert.h>
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BEGIN_PS_NS
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int nPushBlocks;
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// TODO - moveme?
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sectortype* overridesect;
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DExhumedActor* nBodySprite[50];
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int sprceiling, sprfloor;
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Collision loHit, hiHit;
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enum
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{
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kMaxPushBlocks = 100,
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kMaxMoveChunks = 75
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};
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// think this belongs in init.c?
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BlockInfo sBlockInfo[kMaxPushBlocks];
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DExhumedActor *nChunkSprite[kMaxMoveChunks];
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FSerializer& Serialize(FSerializer& arc, const char* keyname, BlockInfo& w, BlockInfo* def)
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{
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if (arc.BeginObject(keyname))
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{
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arc("at8", w.field_8)
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("sprite", w.pActor)
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("x", w.x)
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("y", w.y)
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.EndObject();
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}
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return arc;
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}
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void SerializeMove(FSerializer& arc)
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{
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if (arc.BeginObject("move"))
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{
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arc ("pushcount", nPushBlocks)
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.Array("blocks", sBlockInfo, nPushBlocks)
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("chunkcount", nCurChunkNum)
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.Array("chunks", nChunkSprite, kMaxMoveChunks)
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("overridesect", overridesect)
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.Array("bodysprite", nBodySprite, 50)
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.EndObject();
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}
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}
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signed int lsqrt(int a1)
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{
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int v1;
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int v2;
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signed int result;
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v1 = a1;
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v2 = a1 - 0x40000000;
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result = 0;
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if (v2 >= 0)
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{
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result = 32768;
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v1 = v2;
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}
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if (v1 - ((result << 15) + 0x10000000) >= 0)
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{
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v1 -= (result << 15) + 0x10000000;
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result += 16384;
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}
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if (v1 - ((result << 14) + 0x4000000) >= 0)
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{
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v1 -= (result << 14) + 0x4000000;
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result += 8192;
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}
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if (v1 - ((result << 13) + 0x1000000) >= 0)
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{
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v1 -= (result << 13) + 0x1000000;
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result += 4096;
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}
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if (v1 - ((result << 12) + 0x400000) >= 0)
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{
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v1 -= (result << 12) + 0x400000;
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result += 2048;
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}
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if (v1 - ((result << 11) + 0x100000) >= 0)
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{
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v1 -= (result << 11) + 0x100000;
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result += 1024;
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}
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if (v1 - ((result << 10) + 0x40000) >= 0)
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{
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v1 -= (result << 10) + 0x40000;
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result += 512;
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}
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if (v1 - ((result << 9) + 0x10000) >= 0)
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{
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v1 -= (result << 9) + 0x10000;
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result += 256;
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}
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if (v1 - ((result << 8) + 0x4000) >= 0)
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{
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v1 -= (result << 8) + 0x4000;
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result += 128;
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}
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if (v1 - ((result << 7) + 4096) >= 0)
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{
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v1 -= (result << 7) + 4096;
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result += 64;
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}
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if (v1 - ((result << 6) + 1024) >= 0)
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{
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v1 -= (result << 6) + 1024;
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result += 32;
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}
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if (v1 - (32 * result + 256) >= 0)
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{
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v1 -= 32 * result + 256;
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result += 16;
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}
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if (v1 - (16 * result + 64) >= 0)
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{
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v1 -= 16 * result + 64;
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result += 8;
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}
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if (v1 - (8 * result + 16) >= 0)
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{
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v1 -= 8 * result + 16;
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result += 4;
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}
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if (v1 - (4 * result + 4) >= 0)
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{
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v1 -= 4 * result + 4;
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result += 2;
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}
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if (v1 - (2 * result + 1) >= 0)
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result += 1;
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return result;
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}
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void MoveThings()
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{
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thinktime.Reset();
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thinktime.Clock();
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UndoFlashes();
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DoLights();
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if (nFreeze)
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{
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if (nFreeze == 1 || nFreeze == 2) {
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DoSpiritHead();
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}
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}
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else
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{
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actortime.Reset();
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actortime.Clock();
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runlist_ExecObjects();
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runlist_CleanRunRecs();
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actortime.Unclock();
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}
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DoBubbleMachines();
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DoDrips();
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DoMovingSects();
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DoRegenerates();
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if (currentLevel->gameflags & LEVEL_EX_COUNTDOWN)
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{
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DoFinale();
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if (lCountDown < 1800 && nDronePitch < 2400 && !lFinaleStart)
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{
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nDronePitch += 64;
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BendAmbientSound();
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}
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}
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thinktime.Unclock();
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}
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void ResetMoveFifo()
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{
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movefifoend = 0;
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movefifopos = 0;
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}
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// not used
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void clipwall()
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{
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}
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int BelowNear(DExhumedActor* pActor, int x, int y, int walldist)
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{
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auto pSprite = &pActor->s();
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auto pSector = pSprite->sector();
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int z = pSprite->z;
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int z2;
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if (loHit.type == kHitSprite)
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{
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z2 = loHit.actor()->s().z;
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}
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else
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{
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z2 = pSector->floorz + pSector->Depth;
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BFSSectorSearch search(pSector);
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sectortype* pTempSect = nullptr;
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while (auto pCurSector = search.GetNext())
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{
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for (auto& wal : wallsofsector(pCurSector))
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{
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if (wal.twoSided())
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{
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if (!search.Check(wal.nextSector()))
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{
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vec2_t pos = { x, y };
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if (clipinsidebox(&pos, wallnum(&wal), walldist))
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{
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search.Add(wal.nextSector());
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}
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}
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}
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}
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auto pSect2 = pCurSector;
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while (pSect2)
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{
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pTempSect = pSect2;
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pSect2 = pSect2->pBelow;
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}
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int ecx = pTempSect->floorz + pTempSect->Depth;
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int eax = ecx - z;
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if (eax < 0 && eax >= -5120)
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{
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z2 = ecx;
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pSector = pTempSect;
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}
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}
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}
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if (z2 < pSprite->z)
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{
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pSprite->z = z2;
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overridesect = pSector;
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pSprite->zvel = 0;
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bTouchFloor = true;
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return kHitAux2;
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}
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else
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{
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return 0;
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}
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}
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Collision movespritez(DExhumedActor* pActor, int z, int height, int, int clipdist)
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{
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spritetype* pSprite = &pActor->s();
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auto pSector = pSprite->sector();
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assert(pSector);
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overridesect = pSector;
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auto pSect2 = pSector;
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// backup cstat
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uint16_t cstat = pSprite->cstat;
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pSprite->cstat &= ~CSTAT_SPRITE_BLOCK;
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Collision nRet;
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nRet.setNone();
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int nSectFlags = pSector->Flag;
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if (nSectFlags & kSectUnderwater) {
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z >>= 1;
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}
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int spriteZ = pSprite->z;
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int floorZ = pSector->floorz;
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int ebp = spriteZ + z;
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int eax = pSector->ceilingz + (height >> 1);
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if ((nSectFlags & kSectUnderwater) && ebp < eax) {
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ebp = eax;
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}
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// loc_151E7:
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while (ebp > pSprite->sector()->floorz && pSprite->sector()->pBelow != nullptr)
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{
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ChangeActorSect(pActor, pSprite->sector()->pBelow);
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}
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if (pSect2 != pSector)
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{
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pSprite->z = ebp;
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if (pSect2->Flag & kSectUnderwater)
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{
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if (pActor == PlayerList[nLocalPlayer].Actor()) {
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D3PlayFX(StaticSound[kSound2], pActor);
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}
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if (pSprite->statnum <= 107) {
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pSprite->hitag = 0;
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}
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}
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}
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else
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{
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while ((ebp < pSprite->sector()->ceilingz) && (pSprite->sector()->pAbove != nullptr))
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{
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ChangeActorSect(pActor, pSprite->sector()->pAbove);
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}
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}
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// This function will keep the player from falling off cliffs when you're too close to the edge.
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// This function finds the highest and lowest z coordinates that your clipping BOX can get to.
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vec3_t pos = pSprite->pos;
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pos.z -= 256;
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getzrange(pos, pSprite->sector(), &sprceiling, hiHit, &sprfloor, loHit, 128, CLIPMASK0);
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int mySprfloor = sprfloor;
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if (loHit.type != kHitSprite) {
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mySprfloor += pSprite->sector()->Depth;
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}
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if (ebp > mySprfloor)
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{
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if (z > 0)
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{
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bTouchFloor = true;
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if (loHit.type == kHitSprite)
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{
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// Path A
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auto pFloorSprite = &loHit.actor()->s();
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if (pSprite->statnum == 100 && pFloorSprite->statnum != 0 && pFloorSprite->statnum < 100)
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{
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int nDamage = (z >> 9);
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if (nDamage)
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{
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runlist_DamageEnemy(loHit.actor(), pActor, nDamage << 1);
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}
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pSprite->zvel = -z;
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}
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else
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{
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if (pFloorSprite->statnum == 0 || pFloorSprite->statnum > 199)
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{
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nRet.exbits |= kHitAux2;
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}
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else
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{
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nRet = loHit;
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}
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pSprite->zvel = 0;
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}
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}
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else
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{
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// Path B
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if (pSprite->sector()->pBelow == nullptr)
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{
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nRet.exbits |= kHitAux2;
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int nSectDamage = pSprite->sector()->Damage;
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if (nSectDamage != 0)
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{
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if (pSprite->hitag < 15)
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{
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IgniteSprite(pActor);
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pSprite->hitag = 20;
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}
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nSectDamage >>= 2;
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nSectDamage = nSectDamage - (nSectDamage>>2);
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if (nSectDamage) {
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runlist_DamageEnemy(pActor, nullptr, nSectDamage);
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}
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}
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pSprite->zvel = 0;
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}
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}
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}
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// loc_1543B:
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ebp = mySprfloor;
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pSprite->z = mySprfloor;
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}
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else
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{
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if ((ebp - height) < sprceiling && (hiHit.type == kHitSprite || pSprite->sector()->pAbove == nullptr))
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{
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ebp = sprceiling + height;
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nRet.exbits |= kHitAux1;
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}
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}
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if (spriteZ <= floorZ && ebp > floorZ)
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{
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if ((pSector->Depth != 0) || (pSect2 != pSector && (pSect2->Flag & kSectUnderwater)))
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{
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BuildSplash(pActor, pSector);
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}
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}
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pSprite->cstat = cstat; // restore cstat
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pSprite->z = ebp;
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if (pSprite->statnum == 100)
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{
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nRet.exbits |= BelowNear(pActor, pSprite->x, pSprite->y, clipdist + (clipdist / 2));
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}
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return nRet;
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}
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int GetActorHeight(DExhumedActor* actor)
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{
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return tileHeight(actor->s().picnum) * actor->s().yrepeat * 4;
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}
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DExhumedActor* insertActor(int sect, int stat)
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{
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int ndx = insertsprite(sect, stat);
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return ndx >= 0 ? &exhumedActors[ndx] : nullptr;
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}
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Collision movesprite(DExhumedActor* pActor, int dx, int dy, int dz, int ceildist, int flordist, unsigned int clipmask)
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{
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spritetype *pSprite = &pActor->s();
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bTouchFloor = false;
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int x = pSprite->x;
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int y = pSprite->y;
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int z = pSprite->z;
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int nSpriteHeight = GetActorHeight(pActor);
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int nClipDist = (int8_t)pSprite->clipdist << 2;
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auto pSector = pSprite->sector();
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assert(pSector);
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int floorZ = pSector->floorz;
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if ((pSector->Flag & kSectUnderwater) || (floorZ < z))
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{
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dx >>= 1;
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dy >>= 1;
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}
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Collision nRet = movespritez(pActor, dz, nSpriteHeight, flordist, nClipDist);
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pSector = pSprite->sector(); // modified in movespritez so re-grab this variable
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if (pSprite->statnum == 100)
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{
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int nPlayer = GetPlayerFromActor(pActor);
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int varA = 0;
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int varB = 0;
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CheckSectorFloor(overridesect, pSprite->z, &varB, &varA);
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if (varB || varA)
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{
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PlayerList[nPlayer].nXDamage = varB;
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PlayerList[nPlayer].nYDamage = varA;
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}
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dx += PlayerList[nPlayer].nXDamage;
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dy += PlayerList[nPlayer].nYDamage;
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}
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else
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{
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CheckSectorFloor(overridesect, pSprite->z, &dx, &dy);
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}
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Collision coll;
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clipmove(pSprite->pos, &pSector, dx, dy, nClipDist, nSpriteHeight, flordist, clipmask, coll);
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if (coll.type != kHitNone) // originally this or'ed the two values which can create unpredictable bad values in some edge cases.
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{
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coll.exbits = nRet.exbits;
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nRet = coll;
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}
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if ((pSector != pSprite->sector()) && pSector != nullptr)
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{
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if (nRet.exbits & kHitAux2) {
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dz = 0;
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}
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if ((pSector->floorz - z) < (dz + flordist))
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{
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pSprite->x = x;
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pSprite->y = y;
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}
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else
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{
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ChangeActorSect(pActor, pSector);
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if (pSprite->pal < 5 && !pSprite->hitag)
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{
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pSprite->pal = pSprite->sector()->ceilingpal;
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}
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}
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}
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return nRet;
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}
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void Gravity(DExhumedActor* actor)
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{
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auto pSprite = &actor->s();
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if (pSprite->sector()->Flag & kSectUnderwater)
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{
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if (pSprite->statnum != 100)
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{
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if (pSprite->zvel <= 1024)
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{
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if (pSprite->zvel < 2048) {
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pSprite->zvel += 512;
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}
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}
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else
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{
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pSprite->zvel -= 64;
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}
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}
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else
|
|
{
|
|
if (pSprite->zvel > 0)
|
|
{
|
|
pSprite->zvel -= 64;
|
|
if (pSprite->zvel < 0) {
|
|
pSprite->zvel = 0;
|
|
}
|
|
}
|
|
else if (pSprite->zvel < 0)
|
|
{
|
|
pSprite->zvel += 64;
|
|
if (pSprite->zvel > 0) {
|
|
pSprite->zvel = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pSprite->zvel += 512;
|
|
if (pSprite->zvel > 16384) {
|
|
pSprite->zvel = 16384;
|
|
}
|
|
}
|
|
}
|
|
|
|
Collision MoveCreature(DExhumedActor* pActor)
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
return movesprite(pActor, pSprite->xvel << 8, pSprite->yvel << 8, pSprite->zvel, 15360, -5120, CLIPMASK0);
|
|
}
|
|
|
|
Collision MoveCreatureWithCaution(DExhumedActor* pActor)
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
int x = pSprite->x;
|
|
int y = pSprite->y;
|
|
int z = pSprite->z;
|
|
auto pSectorPre = pSprite->sector();
|
|
|
|
auto ecx = MoveCreature(pActor);
|
|
|
|
auto pSector =pSprite->sector();
|
|
|
|
if (pSector != pSectorPre)
|
|
{
|
|
int zDiff = pSectorPre->floorz - pSector->floorz;
|
|
if (zDiff < 0) {
|
|
zDiff = -zDiff;
|
|
}
|
|
|
|
if (zDiff > 15360 || (pSector->Flag & kSectUnderwater) || (pSector->pBelow != nullptr && pSector->pBelow->Flag) || pSector->Damage)
|
|
{
|
|
pSprite->x = x;
|
|
pSprite->y = y;
|
|
pSprite->z = z;
|
|
|
|
ChangeActorSect(pActor, pSectorPre);
|
|
|
|
pSprite->ang = (pSprite->ang + 256) & kAngleMask;
|
|
pSprite->xvel = bcos(pSprite->ang, -2);
|
|
pSprite->yvel = bsin(pSprite->ang, -2);
|
|
Collision c;
|
|
c.setNone();
|
|
return c;
|
|
}
|
|
}
|
|
|
|
return ecx;
|
|
}
|
|
|
|
int GetAngleToSprite(DExhumedActor* a1, DExhumedActor* a2)
|
|
{
|
|
if (!a1 || !a2)
|
|
return -1;
|
|
|
|
auto pSprite1 = &a1->s();
|
|
auto pSprite2 = &a2->s();
|
|
|
|
return GetMyAngle(pSprite2->x - pSprite1->x, pSprite2->y - pSprite1->y);
|
|
}
|
|
|
|
int PlotCourseToSprite(DExhumedActor* pActor1, DExhumedActor* pActor2)
|
|
{
|
|
if (pActor1 == nullptr || pActor2 == nullptr)
|
|
return -1;
|
|
|
|
auto pSprite1 = &pActor1->s();
|
|
auto pSprite2 = &pActor2->s();
|
|
int x = pSprite2->x - pSprite1->x;
|
|
int y = pSprite2->y - pSprite1->y;
|
|
|
|
pSprite1->ang = GetMyAngle(x, y);
|
|
|
|
uint32_t x2 = abs(x);
|
|
uint32_t y2 = abs(y);
|
|
|
|
uint32_t diff = x2 * x2 + y2 * y2;
|
|
|
|
if (diff > INT_MAX)
|
|
{
|
|
DPrintf(DMSG_WARNING, "%s %d: overflow\n", __func__, __LINE__);
|
|
diff = INT_MAX;
|
|
}
|
|
|
|
return ksqrt(diff);
|
|
}
|
|
|
|
DExhumedActor* FindPlayer(DExhumedActor* pActor, int nDistance, bool dontengage)
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
int var_18 = !dontengage;
|
|
|
|
if (nDistance < 0)
|
|
nDistance = 100;
|
|
|
|
int x = pSprite->x;
|
|
int y = pSprite->y;
|
|
auto pSector =pSprite->sector();
|
|
|
|
int z = pSprite->z - GetActorHeight(pActor);
|
|
|
|
nDistance <<= 8;
|
|
|
|
DExhumedActor* pPlayerActor = nullptr;
|
|
int i = 0;
|
|
|
|
while (1)
|
|
{
|
|
if (i >= nTotalPlayers)
|
|
return nullptr;
|
|
|
|
pPlayerActor = PlayerList[i].Actor();
|
|
auto pPlayerSprite = &pPlayerActor->s();
|
|
|
|
if ((pPlayerSprite->cstat & 0x101) && (!(pPlayerSprite->cstat & 0x8000)))
|
|
{
|
|
int v9 = abs(pPlayerSprite->x - x);
|
|
|
|
if (v9 < nDistance)
|
|
{
|
|
int v10 = abs(pPlayerSprite->y - y);
|
|
|
|
if (v10 < nDistance && cansee(pPlayerSprite->x, pPlayerSprite->y, pPlayerSprite->z - 7680, pPlayerSprite->sector(), x, y, z, pSector))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if (var_18) {
|
|
PlotCourseToSprite(pActor, pPlayerActor);
|
|
}
|
|
|
|
return pPlayerActor;
|
|
}
|
|
|
|
void CheckSectorFloor(sectortype* pSector, int z, int *x, int *y)
|
|
{
|
|
int nSpeed = pSector->Speed;
|
|
|
|
if (!nSpeed) {
|
|
return;
|
|
}
|
|
|
|
int nFlag = pSector->Flag;
|
|
int nAng = nFlag & kAngleMask;
|
|
|
|
if (z >= pSector->floorz)
|
|
{
|
|
*x += bcos(nAng, 3) * nSpeed;
|
|
*y += bsin(nAng, 3) * nSpeed;
|
|
}
|
|
else if (nFlag & 0x800)
|
|
{
|
|
*x += bcos(nAng, 4) * nSpeed;
|
|
*y += bsin(nAng, 4) * nSpeed;
|
|
}
|
|
}
|
|
|
|
int GetUpAngle(DExhumedActor* pActor1, int nVal, DExhumedActor* pActor2, int ecx)
|
|
{
|
|
auto pSprite1 = &pActor1->s();
|
|
auto pSprite2 = &pActor2->s();
|
|
int x = pSprite2->x - pSprite1->x;
|
|
int y = pSprite2->y - pSprite1->y;
|
|
|
|
int ebx = (pSprite2->z + ecx) - (pSprite1->z + nVal);
|
|
int edx = (pSprite2->z + ecx) - (pSprite1->z + nVal);
|
|
|
|
ebx >>= 4;
|
|
edx >>= 8;
|
|
|
|
ebx = -ebx;
|
|
|
|
ebx -= edx;
|
|
|
|
int nSqrt = lsqrt(x * x + y * y);
|
|
|
|
return GetMyAngle(nSqrt, ebx);
|
|
}
|
|
|
|
void InitPushBlocks()
|
|
{
|
|
nPushBlocks = 0;
|
|
}
|
|
|
|
int GrabPushBlock()
|
|
{
|
|
if (nPushBlocks >= kMaxPushBlocks) {
|
|
return -1;
|
|
}
|
|
|
|
return nPushBlocks++;
|
|
}
|
|
|
|
void CreatePushBlock(sectortype* pSector)
|
|
{
|
|
int nBlock = GrabPushBlock();
|
|
|
|
int xSum = 0;
|
|
int ySum = 0;
|
|
|
|
for (auto& wal : wallsofsector(pSector))
|
|
{
|
|
xSum += wal.x;
|
|
ySum += wal.y;
|
|
}
|
|
|
|
int xAvg = xSum / pSector->wallnum;
|
|
int yAvg = ySum / pSector->wallnum;
|
|
|
|
sBlockInfo[nBlock].x = xAvg;
|
|
sBlockInfo[nBlock].y = yAvg;
|
|
|
|
auto pActor = insertActor(pSector, 0);
|
|
auto pSprite = &pActor->s();
|
|
|
|
sBlockInfo[nBlock].pActor = pActor;
|
|
|
|
pSprite->x = xAvg;
|
|
pSprite->y = yAvg;
|
|
pSprite->z = pSector->floorz - 256;
|
|
pSprite->cstat = 0x8000;
|
|
|
|
int var_28 = 0;
|
|
|
|
for (auto& wal : wallsofsector(pSector))
|
|
{
|
|
uint32_t xDiff = abs(xAvg - wal.x);
|
|
uint32_t yDiff = abs(yAvg - wal.y);
|
|
|
|
uint32_t sqrtNum = xDiff * xDiff + yDiff * yDiff;
|
|
|
|
if (sqrtNum > INT_MAX)
|
|
{
|
|
DPrintf(DMSG_WARNING, "%s %d: overflow\n", __func__, __LINE__);
|
|
sqrtNum = INT_MAX;
|
|
}
|
|
|
|
int nSqrt = ksqrt(sqrtNum);
|
|
if (nSqrt > var_28) {
|
|
var_28 = nSqrt;
|
|
}
|
|
}
|
|
|
|
sBlockInfo[nBlock].field_8 = var_28;
|
|
|
|
pSprite->clipdist = (var_28 & 0xFF) << 2;
|
|
pSector->extra = nBlock;
|
|
}
|
|
|
|
void MoveSector(sectortype* pSector, int nAngle, int *nXVel, int *nYVel)
|
|
{
|
|
if (pSector == nullptr) {
|
|
return;
|
|
}
|
|
|
|
int nXVect, nYVect;
|
|
|
|
if (nAngle < 0)
|
|
{
|
|
nXVect = *nXVel;
|
|
nYVect = *nYVel;
|
|
nAngle = GetMyAngle(nXVect, nYVect);
|
|
}
|
|
else
|
|
{
|
|
nXVect = bcos(nAngle, 6);
|
|
nYVect = bsin(nAngle, 6);
|
|
}
|
|
|
|
int nBlock = pSector->extra;
|
|
int nSectFlag = pSector->Flag;
|
|
|
|
int nFloorZ = pSector->floorz;
|
|
|
|
walltype *pStartWall = pSector->firstWall();
|
|
sectortype* pNextSector = pStartWall->nextSector();
|
|
|
|
BlockInfo *pBlockInfo = &sBlockInfo[nBlock];
|
|
|
|
vec3_t pos;
|
|
|
|
pos.x = sBlockInfo[nBlock].x;
|
|
int x_b = sBlockInfo[nBlock].x;
|
|
|
|
pos.y = sBlockInfo[nBlock].y;
|
|
int y_b = sBlockInfo[nBlock].y;
|
|
|
|
|
|
int nZVal;
|
|
|
|
int bUnderwater = nSectFlag & kSectUnderwater;
|
|
|
|
if (nSectFlag & kSectUnderwater)
|
|
{
|
|
nZVal = pSector->ceilingz;
|
|
pos.z = pNextSector->ceilingz + 256;
|
|
|
|
pSector->ceilingz = pNextSector->ceilingz;
|
|
}
|
|
else
|
|
{
|
|
nZVal = pSector->floorz;
|
|
pos.z = pNextSector->floorz - 256;
|
|
|
|
pSector->floorz = pNextSector->floorz;
|
|
}
|
|
|
|
auto pSectorB = pSector;
|
|
Collision scratch;
|
|
clipmove(pos, &pSectorB, nXVect, nYVect, pBlockInfo->field_8, 0, 0, CLIPMASK1, scratch);
|
|
|
|
int yvect = pos.y - y_b;
|
|
int xvect = pos.x - x_b;
|
|
|
|
if (pSectorB != pNextSector && pSectorB != pSector)
|
|
{
|
|
yvect = 0;
|
|
xvect = 0;
|
|
}
|
|
else
|
|
{
|
|
if (!bUnderwater)
|
|
{
|
|
pos = { x_b, y_b, nZVal };
|
|
|
|
Collision scratch;
|
|
clipmove(pos, &pSectorB, nXVect, nYVect, pBlockInfo->field_8, 0, 0, CLIPMASK1, scratch);
|
|
|
|
int ebx = pos.x;
|
|
int ecx = x_b;
|
|
int edx = pos.y;
|
|
int eax = xvect;
|
|
int esi = y_b;
|
|
|
|
if (eax < 0) {
|
|
eax = -eax;
|
|
}
|
|
|
|
ebx -= ecx;
|
|
ecx = eax;
|
|
eax = ebx;
|
|
edx -= esi;
|
|
|
|
if (eax < 0) {
|
|
eax = -eax;
|
|
}
|
|
|
|
if (ecx > eax)
|
|
{
|
|
xvect = ebx;
|
|
}
|
|
|
|
eax = yvect;
|
|
if (eax < 0) {
|
|
eax = -eax;
|
|
}
|
|
|
|
ebx = eax;
|
|
eax = edx;
|
|
|
|
if (eax < 0) {
|
|
eax = -eax;
|
|
}
|
|
|
|
if (ebx > eax) {
|
|
yvect = edx;
|
|
}
|
|
}
|
|
}
|
|
|
|
// GREEN
|
|
if (yvect || xvect)
|
|
{
|
|
ExhumedSectIterator it(pSector);
|
|
while (auto pActor = it.Next())
|
|
{
|
|
auto sp = &pActor->s();
|
|
if (sp->statnum < 99)
|
|
{
|
|
sp->x += xvect;
|
|
sp->y += yvect;
|
|
}
|
|
else
|
|
{
|
|
pos.z = sp->z;
|
|
|
|
if ((nSectFlag & kSectUnderwater) || pos.z != nZVal || sp->cstat & 0x8000)
|
|
{
|
|
pos.x = sp->x;
|
|
pos.y = sp->y;
|
|
pSectorB = pSector;
|
|
|
|
Collision scratch;
|
|
clipmove(pos, &pSectorB, -xvect, -yvect, 4 * sp->clipdist, 0, 0, CLIPMASK0, scratch);
|
|
|
|
if (pSectorB) {
|
|
ChangeActorSect(pActor, pSectorB);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
int nNextSector = sectnum(pNextSector);
|
|
it.Reset(pNextSector);
|
|
while (auto pActor = it.Next())
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
if (pSprite->statnum >= 99)
|
|
{
|
|
pos = pSprite->pos;
|
|
pSectorB = pNextSector;
|
|
|
|
Collision scratch;
|
|
clipmove(pos, &pSectorB,
|
|
-xvect - (bcos(nAngle) * (4 * pSprite->clipdist)),
|
|
-yvect - (bsin(nAngle) * (4 * pSprite->clipdist)),
|
|
4 * pSprite->clipdist, 0, 0, CLIPMASK0, scratch);
|
|
|
|
|
|
if (pSectorB != pNextSector && (pSectorB == pSector || pNextSector == pSector))
|
|
{
|
|
if (pSectorB != pSector || nFloorZ >= pSprite->z)
|
|
{
|
|
if (pSectorB) {
|
|
ChangeActorSect(pActor, pSectorB);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
movesprite(pActor,
|
|
(xvect << 14) + bcos(nAngle) * pSprite->clipdist,
|
|
(yvect << 14) + bsin(nAngle) * pSprite->clipdist,
|
|
0, 0, 0, CLIPMASK0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for(auto& wal : wallsofsector(pSector))
|
|
{
|
|
dragpoint(&wal, xvect + wal.x, yvect + wal.y);
|
|
}
|
|
|
|
pBlockInfo->x += xvect;
|
|
pBlockInfo->y += yvect;
|
|
}
|
|
|
|
// loc_163DD
|
|
xvect <<= 14;
|
|
yvect <<= 14;
|
|
|
|
if (!(nSectFlag & kSectUnderwater))
|
|
{
|
|
ExhumedSectIterator it(pSector);
|
|
while (auto pActor = it.Next())
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
if (pSprite->statnum >= 99 && nZVal == pSprite->z && !(pSprite->cstat & 0x8000))
|
|
{
|
|
pSectorB = pSector;
|
|
Collision scratch;
|
|
clipmove(pSprite->pos, &pSectorB, xvect, yvect, 4 * pSprite->clipdist, 5120, -5120, CLIPMASK0, scratch);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nSectFlag & kSectUnderwater) {
|
|
pSector->ceilingz = nZVal;
|
|
}
|
|
else {
|
|
pSector->floorz = nZVal;
|
|
}
|
|
|
|
*nXVel = xvect;
|
|
*nYVel = yvect;
|
|
|
|
/*
|
|
Update player position variables, in case the player sprite was moved by a sector,
|
|
Otherwise these can be out of sync when used in sound code (before being updated in PlayerFunc()).
|
|
Can cause local player sounds to play off-centre.
|
|
TODO: Might need to be done elsewhere too?
|
|
*/
|
|
auto pActor = PlayerList[nLocalPlayer].Actor();
|
|
auto pSprite = &pActor->s();
|
|
initx = pSprite->x;
|
|
inity = pSprite->y;
|
|
initz = pSprite->z;
|
|
inita = pSprite->ang;
|
|
initsectp = pSprite->sector();
|
|
}
|
|
|
|
void SetQuake(DExhumedActor* pActor, int nVal)
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
int x = pSprite->x;
|
|
int y = pSprite->y;
|
|
|
|
nVal *= 256;
|
|
|
|
for (int i = 0; i < nTotalPlayers; i++)
|
|
{
|
|
auto pPlayerActor = PlayerList[i].Actor();
|
|
|
|
|
|
uint32_t xDiff = abs((int32_t)((pPlayerActor->s().x - x) >> 8));
|
|
uint32_t yDiff = abs((int32_t)((pPlayerActor->s().y - y) >> 8));
|
|
|
|
uint32_t sqrtNum = xDiff * xDiff + yDiff * yDiff;
|
|
|
|
if (sqrtNum > INT_MAX)
|
|
{
|
|
DPrintf(DMSG_WARNING, "%s %d: overflow\n", __func__, __LINE__);
|
|
sqrtNum = INT_MAX;
|
|
}
|
|
|
|
int nSqrt = ksqrt(sqrtNum);
|
|
|
|
int eax = nVal;
|
|
|
|
if (nSqrt)
|
|
{
|
|
eax = eax / nSqrt;
|
|
|
|
if (eax >= 256)
|
|
{
|
|
if (eax > 3840) {
|
|
eax = 3840;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
eax = 0;
|
|
}
|
|
}
|
|
|
|
if (eax > nQuake[i]) {
|
|
nQuake[i] = eax;
|
|
}
|
|
}
|
|
}
|
|
|
|
Collision AngleChase(DExhumedActor* pActor, DExhumedActor* pActor2, int ebx, int ecx, int push1)
|
|
{
|
|
auto pSprite = &pActor->s();
|
|
int nClipType = pSprite->statnum != 107;
|
|
|
|
/* bjd - need to handle cliptype to clipmask change that occured in later build engine version */
|
|
if (nClipType == 1) {
|
|
nClipType = CLIPMASK1;
|
|
}
|
|
else {
|
|
nClipType = CLIPMASK0;
|
|
}
|
|
|
|
int nAngle;
|
|
|
|
if (pActor2 == nullptr)
|
|
{
|
|
pSprite->zvel = 0;
|
|
nAngle = pSprite->ang;
|
|
}
|
|
else
|
|
{
|
|
auto pSprite2 = &pActor2->s();
|
|
|
|
int nHeight = tileHeight(pSprite2->picnum) * pSprite2->yrepeat * 2;
|
|
|
|
int nMyAngle = GetMyAngle(pSprite2->x - pSprite->x, pSprite2->y - pSprite->y);
|
|
|
|
uint32_t xDiff = abs(pSprite2->x - pSprite->x);
|
|
uint32_t yDiff = abs(pSprite2->y - pSprite->y);
|
|
|
|
uint32_t sqrtNum = xDiff * xDiff + yDiff * yDiff;
|
|
|
|
if (sqrtNum > INT_MAX)
|
|
{
|
|
DPrintf(DMSG_WARNING, "%s %d: overflow\n", __func__, __LINE__);
|
|
sqrtNum = INT_MAX;
|
|
}
|
|
|
|
int nSqrt = ksqrt(sqrtNum);
|
|
|
|
int var_18 = GetMyAngle(nSqrt, ((pSprite2->z - nHeight) - pSprite->z) >> 8);
|
|
|
|
int nAngDelta = AngleDelta(pSprite->ang, nMyAngle, 1024);
|
|
int nAngDelta2 = abs(nAngDelta);
|
|
|
|
if (nAngDelta2 > 63)
|
|
{
|
|
nAngDelta2 = abs(nAngDelta >> 6);
|
|
|
|
ebx /= nAngDelta2;
|
|
|
|
if (ebx < 5) {
|
|
ebx = 5;
|
|
}
|
|
}
|
|
|
|
int nAngDeltaC = abs(nAngDelta);
|
|
|
|
if (nAngDeltaC > push1)
|
|
{
|
|
if (nAngDelta >= 0)
|
|
nAngDelta = push1;
|
|
else
|
|
nAngDelta = -push1;
|
|
}
|
|
|
|
nAngle = (nAngDelta + pSprite->ang) & kAngleMask;
|
|
int nAngDeltaD = AngleDelta(pSprite->zvel, var_18, 24);
|
|
|
|
pSprite->zvel = (pSprite->zvel + nAngDeltaD) & kAngleMask;
|
|
}
|
|
|
|
pSprite->ang = nAngle;
|
|
|
|
int eax = abs(bcos(pSprite->zvel));
|
|
|
|
int x = ((bcos(nAngle) * ebx) >> 14) * eax;
|
|
int y = ((bsin(nAngle) * ebx) >> 14) * eax;
|
|
|
|
int xshift = x >> 8;
|
|
int yshift = y >> 8;
|
|
|
|
uint32_t sqrtNum = xshift * xshift + yshift * yshift;
|
|
|
|
if (sqrtNum > INT_MAX)
|
|
{
|
|
DPrintf(DMSG_WARNING, "%s %d: overflow\n", __func__, __LINE__);
|
|
sqrtNum = INT_MAX;
|
|
}
|
|
|
|
int z = bsin(pSprite->zvel) * ksqrt(sqrtNum);
|
|
|
|
return movesprite(pActor, x >> 2, y >> 2, (z >> 13) + bsin(ecx, -5), 0, 0, nClipType);
|
|
}
|
|
|
|
int GetWallNormal(walltype* pWall)
|
|
{
|
|
auto delta = pWall->delta();
|
|
|
|
int nAngle = GetMyAngle(delta.x, delta.y);
|
|
return (nAngle + 512) & kAngleMask;
|
|
}
|
|
|
|
void WheresMyMouth(int nPlayer, vec3_t* pos, sectortype **sectnum)
|
|
{
|
|
auto pActor = PlayerList[nPlayer].Actor();
|
|
auto pSprite = &pActor->s();
|
|
|
|
int height = GetActorHeight(pActor) >> 1;
|
|
|
|
*sectnum = pSprite->sector();
|
|
*pos = pSprite->pos;
|
|
pos->z -= height;
|
|
|
|
Collision scratch;
|
|
clipmove(*pos, sectnum,
|
|
bcos(pSprite->ang, 7),
|
|
bsin(pSprite->ang, 7),
|
|
5120, 1280, 1280, CLIPMASK1, scratch);
|
|
}
|
|
|
|
void InitChunks()
|
|
{
|
|
nCurChunkNum = 0;
|
|
memset(nChunkSprite, 0, sizeof(nChunkSprite));
|
|
memset(nBodyGunSprite, 0, sizeof(nBodyGunSprite));
|
|
memset(nBodySprite, 0, sizeof(nBodySprite));
|
|
nCurBodyNum = 0;
|
|
nCurBodyGunNum = 0;
|
|
nBodyTotal = 0;
|
|
nChunkTotal = 0;
|
|
}
|
|
|
|
DExhumedActor* GrabBodyGunSprite()
|
|
{
|
|
auto pActor = nBodyGunSprite[nCurBodyGunNum];
|
|
spritetype* pSprite;
|
|
if (pActor == nullptr)
|
|
{
|
|
pActor = insertActor(0, 899);
|
|
pSprite = &pActor->s();
|
|
nBodyGunSprite[nCurBodyGunNum] = pActor;
|
|
|
|
pSprite->lotag = -1;
|
|
pSprite->owner = -1;
|
|
}
|
|
else
|
|
{
|
|
pSprite = &pActor->s();
|
|
DestroyAnim(pActor);
|
|
|
|
pSprite->lotag = -1;
|
|
pSprite->owner = -1;
|
|
}
|
|
|
|
nCurBodyGunNum++;
|
|
if (nCurBodyGunNum >= 50) { // TODO - enum/define
|
|
nCurBodyGunNum = 0;
|
|
}
|
|
|
|
pSprite->cstat = 0;
|
|
|
|
return pActor;
|
|
}
|
|
|
|
DExhumedActor* GrabBody()
|
|
{
|
|
DExhumedActor* pActor = nullptr;
|
|
spritetype* pSprite = nullptr;
|
|
do
|
|
{
|
|
pActor = nBodySprite[nCurBodyNum];
|
|
|
|
if (pActor == nullptr)
|
|
{
|
|
pActor = insertActor(0, 899);
|
|
pSprite = &pActor->s();
|
|
nBodySprite[nCurBodyNum] = pActor;
|
|
pSprite->cstat = 0x8000;
|
|
}
|
|
else
|
|
pSprite = &pActor->s();
|
|
|
|
|
|
nCurBodyNum++;
|
|
if (nCurBodyNum >= 50) {
|
|
nCurBodyNum = 0;
|
|
}
|
|
} while (pSprite->cstat & 0x101);
|
|
|
|
if (nBodyTotal < 50) {
|
|
nBodyTotal++;
|
|
}
|
|
|
|
pSprite->cstat = 0;
|
|
return pActor;
|
|
}
|
|
|
|
DExhumedActor* GrabChunkSprite()
|
|
{
|
|
auto pActor = nChunkSprite[nCurChunkNum];
|
|
|
|
if (pActor == nullptr)
|
|
{
|
|
pActor = insertActor(0, 899);
|
|
nChunkSprite[nCurChunkNum] = pActor;
|
|
}
|
|
else if (pActor->s().statnum)
|
|
{
|
|
// TODO MonoOut("too many chunks being used at once!\n");
|
|
return nullptr;
|
|
}
|
|
|
|
ChangeActorStat(pActor, 899);
|
|
|
|
nCurChunkNum++;
|
|
if (nCurChunkNum >= kMaxMoveChunks)
|
|
nCurChunkNum = 0;
|
|
|
|
if (nChunkTotal < kMaxMoveChunks)
|
|
nChunkTotal++;
|
|
|
|
pActor->s().cstat = 0x80;
|
|
|
|
return pActor;
|
|
}
|
|
|
|
DExhumedActor* BuildCreatureChunk(DExhumedActor* pSrc, int nPic, bool bSpecial)
|
|
{
|
|
auto actor = GrabChunkSprite();
|
|
|
|
if (actor == nullptr) {
|
|
return nullptr;
|
|
}
|
|
auto pSprite = &actor->s();
|
|
auto pSrcSpr = &pSrc->s();
|
|
|
|
pSprite->x = pSrcSpr->x;
|
|
pSprite->y = pSrcSpr->y;
|
|
pSprite->z = pSrcSpr->z;
|
|
|
|
ChangeActorSect(actor, pSrcSpr->sector());
|
|
|
|
pSprite->cstat = 0x80;
|
|
pSprite->shade = -12;
|
|
pSprite->pal = 0;
|
|
|
|
pSprite->xvel = (RandomSize(5) - 16) << 7;
|
|
pSprite->yvel = (RandomSize(5) - 16) << 7;
|
|
pSprite->zvel = (-(RandomSize(8) + 512)) << 3;
|
|
|
|
if (bSpecial)
|
|
{
|
|
pSprite->xvel *= 4;
|
|
pSprite->yvel *= 4;
|
|
pSprite->zvel *= 2;
|
|
}
|
|
|
|
pSprite->xrepeat = 64;
|
|
pSprite->yrepeat = 64;
|
|
pSprite->xoffset = 0;
|
|
pSprite->yoffset = 0;
|
|
pSprite->picnum = nPic;
|
|
pSprite->lotag = runlist_HeadRun() + 1;
|
|
pSprite->clipdist = 40;
|
|
|
|
// GrabTimeSlot(3);
|
|
|
|
pSprite->extra = -1;
|
|
pSprite->owner = runlist_AddRunRec(pSprite->lotag - 1, actor, 0xD0000);
|
|
pSprite->hitag = runlist_AddRunRec(NewRun, actor, 0xD0000);
|
|
|
|
return actor;
|
|
}
|
|
|
|
void AICreatureChunk::Tick(RunListEvent* ev)
|
|
{
|
|
auto pActor = ev->pObjActor;
|
|
if (!pActor) return;
|
|
auto pSprite = &pActor->s();
|
|
|
|
Gravity(pActor);
|
|
|
|
auto pSector = pSprite->sector();
|
|
pSprite->pal = pSector->ceilingpal;
|
|
|
|
auto nVal = movesprite(pActor, pSprite->xvel << 10, pSprite->yvel << 10, pSprite->zvel, 2560, -2560, CLIPMASK1);
|
|
|
|
if (pSprite->z >= pSector->floorz)
|
|
{
|
|
// re-grab this variable as it may have changed in movesprite(). Note the check above is against the value *before* movesprite so don't change it.
|
|
pSector = pSprite->sector();
|
|
|
|
pSprite->xvel = 0;
|
|
pSprite->yvel = 0;
|
|
pSprite->zvel = 0;
|
|
pSprite->z = pSector->floorz;
|
|
}
|
|
else
|
|
{
|
|
if (!nVal.type && !nVal.exbits)
|
|
return;
|
|
|
|
int nAngle;
|
|
|
|
if (nVal.exbits & kHitAux2)
|
|
{
|
|
pSprite->cstat = 0x8000;
|
|
}
|
|
else
|
|
{
|
|
if (nVal.exbits & kHitAux1)
|
|
{
|
|
pSprite->xvel >>= 1;
|
|
pSprite->yvel >>= 1;
|
|
pSprite->zvel = -pSprite->zvel;
|
|
return;
|
|
}
|
|
else if (nVal.type == kHitSprite)
|
|
{
|
|
nAngle = nVal.actor()->s().ang;
|
|
}
|
|
else if (nVal.type == kHitWall)
|
|
{
|
|
nAngle = GetWallNormal(nVal.hitWall);
|
|
}
|
|
else
|
|
{
|
|
return;
|
|
}
|
|
|
|
// loc_16E0C
|
|
int nSqrt = lsqrt(((pSprite->yvel >> 10) * (pSprite->yvel >> 10)
|
|
+ (pSprite->xvel >> 10) * (pSprite->xvel >> 10)) >> 8);
|
|
|
|
pSprite->xvel = bcos(nAngle) * (nSqrt >> 1);
|
|
pSprite->yvel = bsin(nAngle) * (nSqrt >> 1);
|
|
return;
|
|
}
|
|
}
|
|
|
|
runlist_DoSubRunRec(pSprite->owner);
|
|
runlist_FreeRun(pSprite->lotag - 1);
|
|
runlist_SubRunRec(pSprite->hitag);
|
|
|
|
ChangeActorStat(pActor, 0);
|
|
pSprite->hitag = 0;
|
|
pSprite->lotag = 0;
|
|
}
|
|
|
|
DExhumedActor* UpdateEnemy(DExhumedActor** ppEnemy)
|
|
{
|
|
if (*ppEnemy)
|
|
{
|
|
if (!((*ppEnemy)->s().cstat & 0x101)) {
|
|
*ppEnemy = nullptr;
|
|
}
|
|
}
|
|
|
|
return *ppEnemy;
|
|
}
|
|
END_PS_NS
|