mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-14 08:31:23 +00:00
501 lines
No EOL
11 KiB
C++
501 lines
No EOL
11 KiB
C++
/*
|
|
** p_xlat.cpp
|
|
** Translate old Doom format maps to the Hexen format
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 1998-2007 Randy Heit
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
*/
|
|
|
|
#include "doomtype.h"
|
|
#include "g_level.h"
|
|
#include "p_lnspec.h"
|
|
#include "doomdata.h"
|
|
#include "p_spec.h"
|
|
#include "p_local.h"
|
|
#include "a_sharedglobal.h"
|
|
#include "g_levellocals.h"
|
|
#include "xlat/xlat.h"
|
|
|
|
// define names for the TriggerType field of the general linedefs
|
|
|
|
typedef enum
|
|
{
|
|
WalkOnce,
|
|
WalkMany,
|
|
SwitchOnce,
|
|
SwitchMany,
|
|
GunOnce,
|
|
GunMany,
|
|
PushOnce,
|
|
PushMany,
|
|
} triggertype_e;
|
|
|
|
void P_TranslateLineDef (line_t *ld, maplinedef_t *mld, int lineindexforid)
|
|
{
|
|
uint32_t special = mld->special;
|
|
short tag = mld->tag;
|
|
uint32_t flags =mld->flags;
|
|
INTBOOL passthrough = 0;
|
|
|
|
uint32_t flags1 = flags;
|
|
uint32_t newflags = 0;
|
|
|
|
for(int i=0;i<16;i++)
|
|
{
|
|
if ((flags & (1<<i)) && LineFlagTranslations[i].ismask)
|
|
{
|
|
flags1 &= LineFlagTranslations[i].newvalue;
|
|
}
|
|
}
|
|
for(int i=0;i<16;i++)
|
|
{
|
|
if ((flags1 & (1<<i)) && !LineFlagTranslations[i].ismask)
|
|
{
|
|
switch (LineFlagTranslations[i].newvalue)
|
|
{
|
|
case -1:
|
|
passthrough = true;
|
|
break;
|
|
case -2:
|
|
ld->alpha = 0.75;
|
|
break;
|
|
case -3:
|
|
ld->alpha = 0.25;
|
|
break;
|
|
default:
|
|
newflags |= LineFlagTranslations[i].newvalue;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
flags = newflags;
|
|
|
|
if (lineindexforid >= 0)
|
|
{
|
|
// For purposes of maintaining BOOM compatibility, each
|
|
// line also needs to have its ID set to the same as its tag.
|
|
// An external conversion program would need to do this more
|
|
// intelligently.
|
|
tagManager.AddLineID(lineindexforid, tag);
|
|
}
|
|
|
|
// 0 specials are never translated.
|
|
if (special == 0)
|
|
{
|
|
ld->special = 0;
|
|
ld->flags = flags;
|
|
ld->args[0] = mld->tag;
|
|
memset (ld->args+1, 0, sizeof(ld->args)-sizeof(ld->args[0]));
|
|
return;
|
|
}
|
|
|
|
FLineTrans *linetrans = NULL;
|
|
if (special < SimpleLineTranslations.Size()) linetrans = &SimpleLineTranslations[special];
|
|
if (linetrans != NULL && linetrans->special != 0)
|
|
{
|
|
ld->special = linetrans->special;
|
|
|
|
ld->flags = flags | ((linetrans->flags & 0x1f) << 9);
|
|
if (linetrans->flags & 0x20) ld->flags |= ML_FIRSTSIDEONLY;
|
|
ld->activation = 1 << GET_SPAC(ld->flags);
|
|
if (ld->activation == SPAC_AnyCross)
|
|
{ // this is really PTouch
|
|
ld->activation = SPAC_Impact|SPAC_PCross;
|
|
}
|
|
else if (ld->activation == SPAC_Impact)
|
|
{ // In non-UMDF maps, Impact implies PCross
|
|
ld->activation = SPAC_Impact | SPAC_PCross;
|
|
}
|
|
ld->flags &= ~ML_SPAC_MASK;
|
|
|
|
if (passthrough && ld->activation == SPAC_Use)
|
|
{
|
|
ld->activation = SPAC_UseThrough;
|
|
}
|
|
// Set special arguments.
|
|
FXlatExprState state;
|
|
state.tag = tag;
|
|
state.linetype = special;
|
|
for (int t = 0; t < LINETRANS_MAXARGS; ++t)
|
|
{
|
|
int arg = linetrans->args[t];
|
|
int argop = (linetrans->flags >> (LINETRANS_TAGSHIFT + t*TAGOP_NUMBITS)) & TAGOP_MASK;
|
|
|
|
switch (argop)
|
|
{
|
|
case ARGOP_Const:
|
|
ld->args[t] = arg;
|
|
break;
|
|
case ARGOP_Tag:
|
|
ld->args[t] = tag;
|
|
break;
|
|
case ARGOP_Expr:
|
|
{
|
|
int *xnode = &XlatExpressions[arg];
|
|
state.bIsConstant = true;
|
|
XlatExprEval[*xnode](&ld->args[t], xnode, &state);
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
ld->args[t] = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((ld->flags & ML_SECRET) && ld->activation & (SPAC_Use|SPAC_UseThrough))
|
|
{
|
|
ld->flags &= ~ML_MONSTERSCANACTIVATE;
|
|
}
|
|
return;
|
|
}
|
|
|
|
for(int i=0;i<NumBoomish;i++)
|
|
{
|
|
FBoomTranslator *b = &Boomish[i];
|
|
|
|
if (special >= b->FirstLinetype && special <= b->LastLinetype)
|
|
{
|
|
ld->special = b->NewSpecial;
|
|
|
|
switch (special & 0x0007)
|
|
{
|
|
case WalkMany:
|
|
flags |= ML_REPEAT_SPECIAL;
|
|
case WalkOnce:
|
|
ld->activation = SPAC_Cross;
|
|
break;
|
|
|
|
case SwitchMany:
|
|
case PushMany:
|
|
flags |= ML_REPEAT_SPECIAL;
|
|
case SwitchOnce:
|
|
case PushOnce:
|
|
if (passthrough)
|
|
ld->activation = SPAC_UseThrough;
|
|
else
|
|
ld->activation = SPAC_Use;
|
|
break;
|
|
|
|
case GunMany:
|
|
flags |= ML_REPEAT_SPECIAL;
|
|
case GunOnce:
|
|
ld->activation = SPAC_Impact;
|
|
break;
|
|
}
|
|
|
|
ld->args[0] = tag;
|
|
ld->args[1] = ld->args[2] = ld->args[3] = ld->args[4] = 0;
|
|
|
|
for(unsigned j=0; j < b->Args.Size(); j++)
|
|
{
|
|
FBoomArg *arg = &b->Args[j];
|
|
int *destp;
|
|
int flagtemp;
|
|
uint8_t val = 0; // quiet, GCC
|
|
bool found;
|
|
|
|
if (arg->ArgNum < 4)
|
|
{
|
|
destp = &ld->args[arg->ArgNum+1];
|
|
}
|
|
else
|
|
{
|
|
flagtemp = ((flags >> 9) & 0x3f);
|
|
destp = &flagtemp;
|
|
}
|
|
if (arg->ListSize == 0)
|
|
{
|
|
val = arg->ConstantValue;
|
|
found = true;
|
|
}
|
|
else
|
|
{
|
|
found = false;
|
|
for (int k = 0; k < arg->ListSize; k++)
|
|
{
|
|
if ((special & arg->AndValue) == arg->ResultFilter[k])
|
|
{
|
|
val = arg->ResultValue[k];
|
|
found = true;
|
|
}
|
|
}
|
|
}
|
|
if (found)
|
|
{
|
|
if (arg->bOrExisting)
|
|
{
|
|
*destp |= val;
|
|
}
|
|
else
|
|
{
|
|
*destp = val;
|
|
}
|
|
if (arg->ArgNum == 4)
|
|
{
|
|
flags = (flags & ~0x7e00) | (flagtemp << 9);
|
|
}
|
|
}
|
|
}
|
|
// We treat push triggers like switch triggers with zero tags.
|
|
if ((special & 7) == PushMany || (special & 7) == PushOnce)
|
|
{
|
|
if (ld->special == Generic_Door)
|
|
{
|
|
ld->args[2] |= 128;
|
|
}
|
|
else
|
|
{
|
|
ld->args[0] = 0;
|
|
}
|
|
}
|
|
ld->flags = flags;
|
|
if (flags & ML_MONSTERSCANACTIVATE && ld->activation == SPAC_Cross)
|
|
{
|
|
// In Boom anything can activate such a line so set the proper type here.
|
|
ld->activation = SPAC_AnyCross;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
// Don't know what to do, so 0 it
|
|
ld->special = 0;
|
|
ld->flags = flags;
|
|
memset (ld->args, 0, sizeof(ld->args));
|
|
}
|
|
|
|
// Now that ZDoom again gives the option of using Doom's original teleport
|
|
// behavior, only teleport dests in a sector with a 0 tag need to be
|
|
// given a TID. And since Doom format maps don't have TIDs, we can safely
|
|
// give them TID 1.
|
|
|
|
void P_TranslateTeleportThings ()
|
|
{
|
|
AActor *dest;
|
|
TThinkerIterator<AActor> iterator(NAME_TeleportDest);
|
|
bool foundSomething = false;
|
|
|
|
while ( (dest = iterator.Next()) )
|
|
{
|
|
if (!tagManager.SectorHasTags(dest->Sector))
|
|
{
|
|
dest->tid = 1;
|
|
dest->AddToHash ();
|
|
foundSomething = true;
|
|
}
|
|
}
|
|
|
|
if (foundSomething)
|
|
{
|
|
for (auto &line : level.lines)
|
|
{
|
|
if (line.special == Teleport)
|
|
{
|
|
if (line.args[1] == 0)
|
|
{
|
|
line.args[0] = 1;
|
|
}
|
|
}
|
|
else if (line.special == Teleport_NoFog)
|
|
{
|
|
if (line.args[2] == 0)
|
|
{
|
|
line.args[0] = 1;
|
|
}
|
|
}
|
|
else if (line.special == Teleport_ZombieChanger)
|
|
{
|
|
if (line.args[1] == 0)
|
|
{
|
|
line.args[0] = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int P_TranslateSectorSpecial (int special)
|
|
{
|
|
int mask = 0;
|
|
|
|
for(int i = SectorMasks.Size()-1; i>=0; i--)
|
|
{
|
|
int newmask = special & SectorMasks[i].mask;
|
|
if (newmask)
|
|
{
|
|
special &= ~newmask;
|
|
if (SectorMasks[i].op == 1)
|
|
newmask <<= SectorMasks[i].shift;
|
|
else if (SectorMasks[i].op == -1)
|
|
newmask >>= SectorMasks[i].shift;
|
|
else if (SectorMasks[i].op == 0 && SectorMasks[i].shift == 1)
|
|
newmask = 0;
|
|
mask |= newmask;
|
|
}
|
|
}
|
|
|
|
if ((unsigned)special < SectorTranslations.Size())
|
|
{
|
|
if (!SectorTranslations[special].bitmask_allowed && mask)
|
|
special = 0;
|
|
else
|
|
special = SectorTranslations[special].newtype;
|
|
}
|
|
return special | mask;
|
|
}
|
|
|
|
static const int *Expr_Const(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
*dest = xnode[-1];
|
|
return xnode - 2;
|
|
}
|
|
|
|
static const int *Expr_Tag(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
*dest = state->tag;
|
|
state->bIsConstant = false;
|
|
return xnode - 1;
|
|
}
|
|
|
|
static const int *Expr_Add(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 + op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Sub(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 - op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Mul(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 * op2;
|
|
return xnode;
|
|
}
|
|
|
|
static void Div0Check(int &op1, int &op2, const FXlatExprState *state)
|
|
{
|
|
if (op2 == 0)
|
|
{
|
|
Printf("Xlat: Division by 0 for line type %d\n", state->linetype);
|
|
// Set some safe values
|
|
op1 = 0;
|
|
op2 = 1;
|
|
}
|
|
}
|
|
|
|
static const int *Expr_Div(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
Div0Check(op1, op2, state);
|
|
*dest = op1 / op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Mod(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
Div0Check(op1, op2, state);
|
|
*dest = op1 % op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_And(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 & op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Or(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 | op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Xor(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op1, op2;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op2, xnode-1, state);
|
|
xnode = XlatExprEval[xnode[0]](&op1, xnode, state);
|
|
*dest = op1 ^ op2;
|
|
return xnode;
|
|
}
|
|
|
|
static const int *Expr_Neg(int *dest, const int *xnode, FXlatExprState *state)
|
|
{
|
|
int op;
|
|
|
|
xnode = XlatExprEval[xnode[-1]](&op, xnode-1, state);
|
|
*dest = -op;
|
|
return xnode;
|
|
}
|
|
|
|
const int* (*XlatExprEval[XEXP_COUNT])(int *dest, const int *xnode, FXlatExprState *state) =
|
|
{
|
|
Expr_Const,
|
|
Expr_Tag,
|
|
Expr_Add,
|
|
Expr_Sub,
|
|
Expr_Mul,
|
|
Expr_Div,
|
|
Expr_Mod,
|
|
Expr_And,
|
|
Expr_Or,
|
|
Expr_Xor,
|
|
Expr_Neg
|
|
}; |