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362 lines
8.9 KiB
C++
362 lines
8.9 KiB
C++
/*
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** p_xlat.cpp
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** Translate old Doom format maps to the Hexen format
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2007 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "doomtype.h"
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#include "g_level.h"
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#include "p_lnspec.h"
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#include "doomdata.h"
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#include "r_data.h"
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#include "m_swap.h"
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#include "p_spec.h"
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#include "p_local.h"
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#include "a_sharedglobal.h"
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#include "gi.h"
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#include "w_wad.h"
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#include "sc_man.h"
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#include "cmdlib.h"
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#include "xlat/xlat.h"
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// define names for the TriggerType field of the general linedefs
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typedef enum
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{
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WalkOnce,
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WalkMany,
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SwitchOnce,
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SwitchMany,
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GunOnce,
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GunMany,
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PushOnce,
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PushMany,
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} triggertype_e;
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void P_TranslateLineDef (line_t *ld, maplinedef_t *mld)
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{
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unsigned short special = (unsigned short) LittleShort(mld->special);
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short tag = LittleShort(mld->tag);
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DWORD flags = LittleShort(mld->flags);
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INTBOOL passthrough = 0;
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DWORD flags1 = flags;
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DWORD newflags = 0;
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for(int i=0;i<16;i++)
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{
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if ((flags & (1<<i)) && LineFlagTranslations[i].ismask)
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{
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flags1 &= LineFlagTranslations[i].newvalue;
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}
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}
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for(int i=0;i<16;i++)
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{
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if ((flags1 & (1<<i)) && !LineFlagTranslations[i].ismask)
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{
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switch (LineFlagTranslations[i].newvalue)
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{
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case -1:
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passthrough = true;
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break;
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case -2:
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ld->Alpha = FRACUNIT*3/4;
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break;
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default:
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newflags |= LineFlagTranslations[i].newvalue;
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break;
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}
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}
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}
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flags = newflags;
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// For purposes of maintaining BOOM compatibility, each
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// line also needs to have its ID set to the same as its tag.
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// An external conversion program would need to do this more
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// intelligently.
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ld->id = tag;
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// 0 specials are never translated.
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if (special == 0)
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{
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ld->special = 0;
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ld->flags = flags;
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ld->args[0] = mld->tag;
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memset (ld->args+1, 0, sizeof(ld->args)-sizeof(ld->args[0]));
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return;
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}
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FLineTrans *linetrans = NULL;
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if (special < SimpleLineTranslations.Size()) linetrans = &SimpleLineTranslations[special];
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if (linetrans != NULL && linetrans->special != 0)
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{
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ld->special = linetrans->special;
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ld->args[0] = linetrans->args[0];
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ld->args[1] = linetrans->args[1];
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ld->args[2] = linetrans->args[2];
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ld->args[3] = linetrans->args[3];
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ld->args[4] = linetrans->args[4];
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ld->flags = flags | ((linetrans->flags & 0x1f) << 9);
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if (linetrans->flags & 0x20) ld->flags |= ML_FIRSTSIDEONLY;
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ld->activation = 1 << GET_SPAC(ld->flags);
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if (ld->activation == SPAC_AnyCross) ld->activation = SPAC_Impact|SPAC_PCross; // this is really PTouch
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ld->flags &= ~ML_SPAC_MASK;
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if (passthrough && ld->activation == SPAC_Use)
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{
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ld->activation = SPAC_UseThrough;
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}
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switch (linetrans->flags & LINETRANS_TAGMASK)
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{
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case LINETRANS_HAS2TAGS: // First two arguments are tags
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ld->args[1] = tag;
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case LINETRANS_HASTAGAT1: // First argument is a tag
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ld->args[0] = tag;
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break;
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case LINETRANS_HASTAGAT2: // Second argument is a tag
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ld->args[1] = tag;
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break;
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case LINETRANS_HASTAGAT3: // Third argument is a tag
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ld->args[2] = tag;
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break;
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case LINETRANS_HASTAGAT4: // Fourth argument is a tag
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ld->args[3] = tag;
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break;
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case LINETRANS_HASTAGAT5: // Fifth argument is a tag
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ld->args[4] = tag;
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break;
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}
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if ((ld->flags & ML_SECRET) && ld->activation & (SPAC_Use|SPAC_UseThrough))
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{
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ld->flags &= ~ML_MONSTERSCANACTIVATE;
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}
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return;
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}
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for(int i=0;i<NumBoomish;i++)
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{
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FBoomTranslator *b = &Boomish[i];
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if (special >= b->FirstLinetype && special <= b->LastLinetype)
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{
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ld->special = b->NewSpecial;
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switch (special & 0x0007)
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{
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case WalkMany:
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flags |= ML_REPEAT_SPECIAL;
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case WalkOnce:
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ld->activation = SPAC_Cross;
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break;
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case SwitchMany:
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case PushMany:
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flags |= ML_REPEAT_SPECIAL;
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case SwitchOnce:
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case PushOnce:
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if (passthrough)
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ld->activation = SPAC_UseThrough;
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else
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ld->activation = SPAC_Use;
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break;
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case GunMany:
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flags |= ML_REPEAT_SPECIAL;
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case GunOnce:
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ld->activation = SPAC_Impact;
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break;
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}
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ld->args[0] = tag;
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ld->args[1] = ld->args[2] = ld->args[3] = ld->args[4] = 0;
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for(unsigned j=0; j < b->Args.Size(); j++)
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{
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FBoomArg *arg = &b->Args[j];
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int *destp;
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int flagtemp;
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BYTE val = 0; // quiet, GCC
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bool found;
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if (arg->ArgNum < 4)
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{
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destp = &ld->args[arg->ArgNum+1];
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}
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else
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{
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flagtemp = ((flags >> 9) & 0x3f);
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destp = &flagtemp;
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}
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if (arg->ListSize == 0)
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{
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val = arg->ConstantValue;
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found = true;
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}
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else
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{
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found = false;
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for (int k = 0; k < arg->ListSize; k++)
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{
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if ((special & arg->AndValue) == arg->ResultFilter[k])
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{
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val = arg->ResultValue[k];
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found = true;
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}
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}
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}
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if (found)
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{
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if (arg->bOrExisting)
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{
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*destp |= val;
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}
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else
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{
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*destp = val;
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}
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if (arg->ArgNum == 4)
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{
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flags = (flags & ~0x7e00) | (flagtemp << 9);
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}
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}
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}
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// We treat push triggers like switch triggers with zero tags.
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if ((special & 7) == PushMany || (special & 7) == PushOnce)
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{
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if (ld->special == Generic_Door)
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{
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ld->args[2] |= 128;
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}
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else
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{
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ld->args[0] = 0;
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}
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}
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ld->flags = flags;
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if (flags & ML_MONSTERSCANACTIVATE && ld->activation == SPAC_Cross)
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{
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// In Boom anything can activate such a line so set the proper type here.
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ld->activation = SPAC_AnyCross;
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}
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return;
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}
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}
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// Don't know what to do, so 0 it
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ld->special = 0;
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ld->flags = flags;
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memset (ld->args, 0, sizeof(ld->args));
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}
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// Now that ZDoom again gives the option of using Doom's original teleport
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// behavior, only teleport dests in a sector with a 0 tag need to be
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// given a TID. And since Doom format maps don't have TIDs, we can safely
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// give them TID 1.
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void P_TranslateTeleportThings ()
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{
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AActor *dest;
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TThinkerIterator<AActor> iterator(NAME_TeleportDest);
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bool foundSomething = false;
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while ( (dest = iterator.Next()) )
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{
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if (dest->Sector->tag == 0)
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{
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dest->tid = 1;
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dest->AddToHash ();
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foundSomething = true;
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}
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}
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if (foundSomething)
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{
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for (int i = 0; i < numlines; ++i)
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{
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if (lines[i].special == Teleport)
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{
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if (lines[i].args[1] == 0)
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{
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lines[i].args[0] = 1;
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}
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}
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else if (lines[i].special == Teleport_NoFog)
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{
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if (lines[i].args[2] == 0)
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{
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lines[i].args[0] = 1;
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}
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}
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else if (lines[i].special == Teleport_ZombieChanger)
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{
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if (lines[i].args[1] == 0)
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{
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lines[i].args[0] = 1;
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}
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}
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}
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}
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}
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int P_TranslateSectorSpecial (int special)
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{
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int mask = 0;
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for(int i = SectorMasks.Size()-1; i>=0; i--)
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{
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int newmask = special & SectorMasks[i].mask;
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if (newmask)
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{
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special &= ~newmask;
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if (SectorMasks[i].op == 1)
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newmask <<= SectorMasks[i].shift;
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else if (SectorMasks[i].op == -1)
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newmask >>= SectorMasks[i].shift;
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else if (SectorMasks[i].op == 0 && SectorMasks[i].shift == 1)
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newmask = 0;
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mask |= newmask;
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}
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}
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if ((unsigned)special < SectorTranslations.Size())
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{
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if (!SectorTranslations[special].bitmask_allowed && mask)
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special = 0;
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else
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special = SectorTranslations[special].newtype;
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}
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return special | mask;
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}
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