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g_mapinfo.cpp
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g_mapinfo.cpp
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/*
** g_level.cpp
** Parses MAPINFO
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** Copyright 2009 Christoph Oelckers
** 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 <assert.h>
#include "templates.h"
#include "g_level.h"
#include "w_wad.h"
#include "cmdlib.h"
#include "v_video.h"
#include "p_lnspec.h"
#include "p_setup.h"
#include "gi.h"
#include "gstrings.h"
#include "p_acs.h"
#include "doomstat.h"
#include "d_player.h"
#include "autosegs.h"
#include "g_levellocals.h"
#include "events.h"
#include "i_system.h"
#include "atterm.h"
static TArray<cluster_info_t> wadclusterinfos;
TArray<level_info_t> wadlevelinfos;
level_info_t TheDefaultLevelInfo;
static cluster_info_t TheDefaultClusterInfo;
TArray<FEpisode> AllEpisodes;
extern TMap<int, FString> HexenMusic;
TArray<int> ParsedLumps(8, true);
//==========================================================================
//
//
//==========================================================================
static int FindWadLevelInfo (const char *name)
{
for (unsigned int i = 0; i < wadlevelinfos.Size(); i++)
{
if (!wadlevelinfos[i].MapName.CompareNoCase(name))
return i;
}
return -1;
}
//==========================================================================
//
//
//==========================================================================
level_info_t *FindLevelInfo (const char *mapname, bool allowdefault)
{
int i;
if ((i = FindWadLevelInfo (mapname)) > -1)
{
return &wadlevelinfos[i];
}
else if (allowdefault)
{
if (TheDefaultLevelInfo.LevelName.IsEmpty())
{
TheDefaultLevelInfo.SkyPic2 = TheDefaultLevelInfo.SkyPic1 = "SKY1";
TheDefaultLevelInfo.LevelName = "Unnamed";
}
return &TheDefaultLevelInfo;
}
return NULL;
}
//==========================================================================
//
//
//==========================================================================
level_info_t *FindLevelByNum (int num)
{
for (unsigned int i = 0; i < wadlevelinfos.Size(); i++)
if (wadlevelinfos[i].levelnum == num)
return &wadlevelinfos[i];
return NULL;
}
//==========================================================================
//
//
//==========================================================================
static level_info_t *FindLevelByWarpTrans (int num)
{
for (unsigned i = wadlevelinfos.Size(); i-- != 0; )
if (wadlevelinfos[i].WarpTrans == num)
return &wadlevelinfos[i];
return NULL;
}
//==========================================================================
//
//
//==========================================================================
bool CheckWarpTransMap (FString &mapname, bool substitute)
{
if (mapname[0] == '&' && (mapname[1] & 0xDF) == 'W' &&
(mapname[2] & 0xDF) == 'T' && mapname[3] == '@')
{
level_info_t *lev = FindLevelByWarpTrans (atoi (&mapname[4]));
if (lev != NULL)
{
mapname = lev->MapName;
return true;
}
else if (substitute)
{
char a = mapname[4], b = mapname[5];
mapname = "MAP";
mapname << a << b;
}
}
return false;
}
//==========================================================================
//
//
//==========================================================================
static int FindWadClusterInfo (int cluster)
{
for (unsigned int i = 0; i < wadclusterinfos.Size(); i++)
if (wadclusterinfos[i].cluster == cluster)
return i;
return -1;
}
//==========================================================================
//
//
//==========================================================================
cluster_info_t *FindClusterInfo (int cluster)
{
int i;
if ((i = FindWadClusterInfo (cluster)) > -1)
return &wadclusterinfos[i];
else
return &TheDefaultClusterInfo;
}
//==========================================================================
//
//
//==========================================================================
void G_ClearSnapshots (void)
{
for (unsigned int i = 0; i < wadlevelinfos.Size(); i++)
{
wadlevelinfos[i].Snapshot.Clean();
}
// Since strings are only locked when snapshotting a level, unlock them
// all now, since we got rid of all the snapshots that cared about them.
GlobalACSStrings.UnlockAll();
}
//==========================================================================
//
// Remove any existing defereds
//
//==========================================================================
void P_RemoveDefereds (void)
{
for (unsigned int i = 0; i < wadlevelinfos.Size(); i++)
{
wadlevelinfos[i].ClearDefered();
}
}
//==========================================================================
//
//
//==========================================================================
void level_info_t::Reset()
{
MapName = "";
MapBackground = "";
levelnum = 0;
PName = "";
NextMap = "";
NextSecretMap = "";
SkyPic1 = SkyPic2 = "-NOFLAT-";
cluster = 0;
partime = 0;
sucktime = 0;
flags = 0;
if (gameinfo.gametype == GAME_Hexen)
flags2 = 0;
else
flags2 = LEVEL2_LAXMONSTERACTIVATION;
flags3 = 0;
Music = "";
LevelName = "";
AuthorName = "";
FadeTable = "COLORMAP";
WallHorizLight = -8;
WallVertLight = +8;
F1Pic = "";
musicorder = 0;
Snapshot = { 0,0,0,0,0,nullptr };
deferred.Clear();
skyspeed1 = skyspeed2 = 0.f;
fadeto = 0;
outsidefog = 0xff000000;
cdtrack = 0;
cdid = 0;
gravity = 0.f;
aircontrol = 0.f;
WarpTrans = 0;
airsupply = 20;
compatflags = compatflags2 = 0;
compatmask = compatmask2 = 0;
Translator = "";
RedirectType = NAME_None;
RedirectMapName = "";
EnterPic = "";
ExitPic = "";
Intermission = NAME_None;
deathsequence = NAME_None;
slideshow = NAME_None;
InterMusic = "";
intermusicorder = 0;
SoundInfo = "";
SndSeq = "";
BorderTexture = "";
teamdamage = 0.f;
hazardcolor = 0xff004200;
hazardflash = 0xff00ff00;
fogdensity = 0;
outsidefogdensity = 0;
skyfog = 0;
pixelstretch = 1.2f;
specialactions.Clear();
DefaultEnvironment = 0;
PrecacheSounds.Clear();
brightfog = -1;
lightmode = ELightMode::NotSet;
notexturefill = -1;
lightadditivesurfaces = -1;
skyrotatevector = FVector3(0, 0, 1);
skyrotatevector2 = FVector3(0, 0, 1);
}
//==========================================================================
//
//
//==========================================================================
FString level_info_t::LookupLevelName(uint32_t *langtable)
{
// All IWAD names that may be substituted by a graphics patch are declared as language strings.
if (langtable) *langtable = 0;
if (flags & LEVEL_LOOKUPLEVELNAME)
{
const char *thename;
const char *lookedup = GStrings.GetString(LevelName, langtable);
if (lookedup == NULL)
{
thename = LevelName;
}
else
{
char checkstring[32];
// Strip out the header from the localized string
if (MapName.Len() > 3 && MapName[0] == 'E' && MapName[2] == 'M')
{
mysnprintf (checkstring, countof(checkstring), "%s: ", MapName.GetChars());
}
else if (MapName.Len() > 3 && MapName[0] == 'M' && MapName[1] == 'A' && MapName[2] == 'P')
{
mysnprintf (checkstring, countof(checkstring), "%d: ", atoi(&MapName[3]));
}
else if (MapName.Len() > 5 && MapName[0] == 'L' && MapName[1] == 'E' && MapName[2] == 'V' && MapName[3] == 'E' && MapName[4] == 'L')
{
mysnprintf (checkstring, countof(checkstring), "%d: ", atoi(&MapName[5]));
}
else
{
// make sure nothing is stripped.
checkstring[0] = '\0';
}
thename = strstr (lookedup, checkstring);
if (thename == NULL)
{
thename = lookedup;
}
else
{
thename += strlen (checkstring);
}
}
return thename;
}
else return LevelName;
}
//==========================================================================
//
//
//==========================================================================
level_info_t *level_info_t::CheckLevelRedirect ()
{
if (RedirectType != NAME_None)
{
PClassActor *type = PClass::FindActor(RedirectType);
if (type != NULL)
{
for (int i = 0; i < MAXPLAYERS; ++i)
{
if (playeringame[i] && players[i].mo->FindInventory(type))
{
// check for actual presence of the map.
if (P_CheckMapData(RedirectMapName))
{
return FindLevelInfo(RedirectMapName);
}
break;
}
}
}
}
return NULL;
}
//==========================================================================
//
//
//==========================================================================
bool level_info_t::isValid()
{
return MapName.Len() != 0 || this == &TheDefaultLevelInfo;
}
//==========================================================================
//
//
//==========================================================================
void cluster_info_t::Reset()
{
cluster = 0;
FinaleFlat = "";
ExitText = "";
EnterText = "";
MessageMusic = "";
musicorder = 0;
flags = 0;
cdtrack = 0;
ClusterName = "";
cdid = 0;
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseOpenBrace()
{
switch(format_type)
{
default:
format_type = sc.CheckString("{") ? FMT_New : FMT_Old;
if (format_type == FMT_New)
sc.SetCMode(true);
break;
case FMT_Old:
break;
case FMT_New:
sc.MustGetStringName("{");
sc.SetCMode(true);
break;
}
}
//==========================================================================
//
//
//==========================================================================
bool FMapInfoParser::ParseCloseBrace()
{
if (format_type == FMT_New)
{
return sc.Compare("}");
}
else
{
// We have to assume that the next keyword
// starts a new top level block
sc.UnGet();
return true;
}
}
//==========================================================================
//
//
//==========================================================================
bool FMapInfoParser::CheckAssign()
{
if (format_type == FMT_New) return sc.CheckString("=");
else return false; // force explicit handling
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseAssign()
{
if (format_type == FMT_New) sc.MustGetStringName("=");
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::MustParseAssign()
{
if (format_type == FMT_New) sc.MustGetStringName("=");
else sc.ScriptError(NULL);
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseComma()
{
if (format_type == FMT_New) sc.MustGetStringName(",");
}
//==========================================================================
//
//
//==========================================================================
bool FMapInfoParser::CheckNumber()
{
if (format_type == FMT_New)
{
if (sc.CheckString(","))
{
sc.MustGetNumber();
return true;
}
return false;
}
else return sc.CheckNumber();
}
//==========================================================================
//
//
//==========================================================================
bool FMapInfoParser::CheckFloat()
{
if (format_type == FMT_New)
{
if (sc.CheckString(","))
{
sc.MustGetFloat();
return true;
}
return false;
}
else return sc.CheckFloat();
}
//==========================================================================
//
// skips an entire parameter list that's separated by commas
//
//==========================================================================
void FMapInfoParser::SkipToNext()
{
if (sc.CheckString("="))
{
do
{
sc.MustGetString();
}
while (sc.CheckString(","));
}
}
//==========================================================================
//
// checks if the current block was properly terminated
//
//==========================================================================
void FMapInfoParser::CheckEndOfFile(const char *block)
{
if (format_type == FMT_New && sc.End)
{
sc.ScriptError("Unexpected end of file in %s definition", block);
}
}
//==========================================================================
//
// ParseLookupname
// Parses a string that may reference the string table
//
//==========================================================================
bool FMapInfoParser::ParseLookupName(FString &dest)
{
sc.MustGetString();
if (sc.Compare("lookup"))
{
ParseComma();
sc.MustGetString();
dest = sc.String;
return true;
}
else if (sc.String[0] == '$')
{
dest = sc.String+1;
return true;
}
else if (format_type == FMT_Old)
{
dest = sc.String;
return false;
}
else
{
sc.UnGet();
dest = "";
do
{
sc.MustGetString();
dest << sc.String << '\n';
}
while (sc.CheckString(","));
// strip off the last newline
dest.Truncate(dest.Len()-1);
return false;
}
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseLumpOrTextureName(FString &name)
{
sc.MustGetString();
name = sc.String;
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseExitText(FName formap, level_info_t *info)
{
FString nexttext;
bool nextlookup = ParseLookupName(nexttext);
auto def = info->ExitMapTexts.CheckKey(formap);
if (def != nullptr)
{
def->mText = nexttext;
if (nextlookup) def->mDefined |= FExitText::DEF_LOOKUP;
else def->mDefined &= ~FExitText::DEF_LOOKUP;
def->mDefined |= FExitText::DEF_TEXT;
}
else
{
FExitText def;
def.mText = nexttext;
if (nextlookup) def.mDefined |= FExitText::DEF_LOOKUP;
def.mDefined |= FExitText::DEF_TEXT;
info->ExitMapTexts.Insert(formap, def);
}
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseExitMusic(FName formap, level_info_t *info)
{
FString music;
int order;
ParseMusic(music, order);
auto def = info->ExitMapTexts.CheckKey(formap);
if (def != nullptr)
{
def->mMusic = music;
def->mOrder = order;
def->mDefined |= FExitText::DEF_MUSIC;
}
else
{
FExitText def;
def.mMusic = music;
def.mOrder = order;
def.mDefined |= FExitText::DEF_MUSIC;
info->ExitMapTexts.Insert(formap, def);
}
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseExitBackdrop(FName formap, level_info_t *info, bool ispic)
{
FString drop;
ParseLumpOrTextureName(drop);
auto def = info->ExitMapTexts.CheckKey(formap);
if (def != nullptr)
{
def->mBackdrop = drop;
def->mDefined |= FExitText::DEF_BACKDROP;
if (ispic) def->mDefined |= FExitText::DEF_PIC;
else def->mDefined &= ~FExitText::DEF_PIC;
}
else
{
FExitText def;
def.mBackdrop = drop;
def.mDefined |= FExitText::DEF_BACKDROP;
def.mDefined |= FExitText::DEF_MUSIC;
if (ispic) def.mDefined |= FExitText::DEF_PIC;
info->ExitMapTexts.Insert(formap, def);
}
}
//==========================================================================
//
//
//==========================================================================
void FMapInfoParser::ParseMusic(FString &name, int &order)
{
sc.MustGetString();
order = 0;
char *colon = strchr (sc.String, ':');
if (colon)
{
order = atoi(colon+1);
*colon = 0;
}
name = sc.String;
if (!colon && CheckNumber())
{
order = sc.Number;
}
}
//==========================================================================
//
// ParseCluster
// Parses a cluster definition
//
//==========================================================================
void FMapInfoParser::ParseCluster()
{
sc.MustGetNumber ();
int clusterindex = FindWadClusterInfo (sc.Number);
if (clusterindex == -1)
{
clusterindex = wadclusterinfos.Reserve(1);
}
cluster_info_t *clusterinfo = &wadclusterinfos[clusterindex];
clusterinfo->Reset();
clusterinfo->cluster = sc.Number;
ParseOpenBrace();
while (sc.GetString())
{
if (sc.Compare("name"))
{
ParseAssign();
if (ParseLookupName(clusterinfo->ClusterName))
clusterinfo->flags |= CLUSTER_LOOKUPCLUSTERNAME;
}
else if (sc.Compare("entertext"))
{
ParseAssign();
if (ParseLookupName(clusterinfo->EnterText))
clusterinfo->flags |= CLUSTER_LOOKUPENTERTEXT;
else
{
FStringf testlabel("CLUSTERENTER%d", clusterinfo->cluster);
if (GStrings.MatchDefaultString(testlabel, clusterinfo->EnterText))
{
clusterinfo->EnterText = testlabel;
clusterinfo->flags |= CLUSTER_LOOKUPENTERTEXT;
}
}
}
else if (sc.Compare("exittext"))
{
ParseAssign();
if (ParseLookupName(clusterinfo->ExitText))
clusterinfo->flags |= CLUSTER_LOOKUPEXITTEXT;
else
{
FStringf testlabel("CLUSTEREXIT%d", clusterinfo->cluster);
if (GStrings.MatchDefaultString(testlabel, clusterinfo->ExitText))
{
clusterinfo->ExitText = testlabel;
clusterinfo->flags |= CLUSTER_LOOKUPEXITTEXT;
}
}
}
else if (sc.Compare("music"))
{
ParseAssign();
ParseMusic(clusterinfo->MessageMusic, clusterinfo->musicorder);
}
else if (sc.Compare("flat"))
{
ParseAssign();
ParseLumpOrTextureName(clusterinfo->FinaleFlat);
}
else if (sc.Compare("pic"))
{
ParseAssign();
ParseLumpOrTextureName(clusterinfo->FinaleFlat);
clusterinfo->flags |= CLUSTER_FINALEPIC;
}
else if (sc.Compare("hub"))
{
clusterinfo->flags |= CLUSTER_HUB;
}
else if (sc.Compare("allowintermission"))
{
clusterinfo->flags |= CLUSTER_ALLOWINTERMISSION;
}
else if (sc.Compare("cdtrack"))
{
ParseAssign();
sc.MustGetNumber();
clusterinfo->cdtrack = sc.Number;
}
else if (sc.Compare("cdid"))
{
ParseAssign();
sc.MustGetString();
clusterinfo->cdid = strtoul (sc.String, NULL, 16);
}
else if (sc.Compare("entertextislump"))
{
clusterinfo->flags |= CLUSTER_ENTERTEXTINLUMP;
}
else if (sc.Compare("exittextislump"))
{
clusterinfo->flags |= CLUSTER_EXITTEXTINLUMP;
}
else if (!ParseCloseBrace())
{
// Unknown
sc.ScriptMessage("Unknown property '%s' found in map definition\n", sc.String);
SkipToNext();
}
else
{
break;
}
}
// Remap Hexen's CLUS?MSG lumps to the string table, if applicable. The code here only checks what can actually be in an IWAD.
if (clusterinfo->flags & CLUSTER_EXITTEXTINLUMP)
{
int lump = Wads.CheckNumForFullName(clusterinfo->ExitText, true);
if (lump > 0)
{
// Check if this comes from either Hexen.wad or Hexdd.wad and if so, map to the string table.
int fileno = Wads.GetLumpFile(lump);
auto fn = Wads.GetWadName(fileno);
if (fn && (!stricmp(fn, "HEXEN.WAD") || !stricmp(fn, "HEXDD.WAD")))
{
FStringf key("TXT_%.5s_%s", fn, clusterinfo->ExitText.GetChars());
if (GStrings.exists(key))
{
clusterinfo->ExitText = key;
clusterinfo->flags &= ~CLUSTER_EXITTEXTINLUMP;
clusterinfo->flags |= CLUSTER_LOOKUPEXITTEXT;
}
}
}
}
CheckEndOfFile("cluster");
}
//==========================================================================
//
// ParseNextMap
// Parses a next map field
//
//==========================================================================
void FMapInfoParser::ParseNextMap(FString &mapname)
{
if (sc.CheckNumber())
{
if (HexenHack)
{
mapname.Format("&wt@%02d", sc.Number);
}
else
{
mapname.Format("MAP%02d", sc.Number);
}
}
else
{
sc.MustGetString();
mapname = sc.String;
FName seq = CheckEndSequence();
if (seq != NAME_None)
{
mapname.Format("enDSeQ%04x", int(seq));
}
}
}
//==========================================================================
//
// Map options
//
//==========================================================================
DEFINE_MAP_OPTION(levelnum, true)
{
parse.ParseAssign();
parse.sc.MustGetNumber();
info->levelnum = parse.sc.Number;
}
DEFINE_MAP_OPTION(next, true)
{
parse.ParseAssign();
parse.ParseNextMap(info->NextMap);
}
DEFINE_MAP_OPTION(author, true)
{
parse.ParseAssign();
parse.sc.MustGetString();
info->AuthorName = parse.sc.String;
}
DEFINE_MAP_OPTION(secretnext, true)
{
parse.ParseAssign();
parse.ParseNextMap(info->NextSecretMap);
}
DEFINE_MAP_OPTION(secret, true) // Just an alias for secretnext, for Vavoom compatibility
{
parse.ParseAssign();
parse.ParseNextMap(info->NextSecretMap);
}
DEFINE_MAP_OPTION(cluster, true)
{
parse.ParseAssign();
parse.sc.MustGetNumber();
info->cluster = parse.sc.Number;
// If this cluster hasn't been defined yet, add it. This is especially needed
// for Hexen, because it doesn't have clusterdefs. If we don't do this, every
// level on Hexen will sometimes be considered as being on the same hub,
// depending on the check done.
if (FindWadClusterInfo (parse.sc.Number) == -1)
{
unsigned int clusterindex = wadclusterinfos.Reserve(1);
cluster_info_t *clusterinfo = &wadclusterinfos[clusterindex];
clusterinfo->Reset();
clusterinfo->cluster = parse.sc.Number;
if (parse.HexenHack)
{
clusterinfo->flags |= CLUSTER_HUB;
}
}
}
DEFINE_MAP_OPTION(sky1, true)
{
parse.ParseAssign();
parse.ParseLumpOrTextureName(info->SkyPic1);
if (parse.CheckFloat())
{
if (parse.HexenHack)
{
parse.sc.Float /= 256;
}
info->skyspeed1 = float(parse.sc.Float * (35. / 1000.));
}
}
DEFINE_MAP_OPTION(sky2, true)
{
parse.ParseAssign();
parse.ParseLumpOrTextureName(info->SkyPic2);
if (parse.CheckFloat())
{
if (parse.HexenHack)
{
parse.sc.Float /= 256;
}
info->skyspeed2 = float(parse.sc.Float * (35. / 1000.));
}
}
// Vavoom compatibility
DEFINE_MAP_OPTION(skybox, true)