320 lines
8.3 KiB
C++
320 lines
8.3 KiB
C++
//---------------------------------------------------------------------------
|
|
//
|
|
// Copyright(C) 2002-2017 Christoph Oelckers
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
//
|
|
// FraggleScript loader
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
|
|
|
|
#include "filesystem.h"
|
|
#include "g_level.h"
|
|
#include "s_sound.h"
|
|
#include "r_sky.h"
|
|
#include "t_script.h"
|
|
#include "cmdlib.h"
|
|
#include "gi.h"
|
|
#include "g_levellocals.h"
|
|
#include "xlat/xlat.h"
|
|
#include "maploader/maploader.h"
|
|
#include "s_music.h"
|
|
#include "texturemanager.h"
|
|
|
|
class FScriptLoader
|
|
{
|
|
enum
|
|
{
|
|
RT_SCRIPT,
|
|
RT_INFO,
|
|
RT_OTHER,
|
|
} readtype;
|
|
|
|
|
|
int drownflag;
|
|
bool HasScripts;
|
|
bool IgnoreInfo;
|
|
FLevelLocals *Level;
|
|
|
|
void ParseInfoCmd(char *line, FString &scriptsrc);
|
|
public:
|
|
FScriptLoader(FLevelLocals *l)
|
|
{
|
|
Level = l;
|
|
}
|
|
bool ParseInfo(MapData * map);
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Process the lump to strip all unneeded information from it
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
void FScriptLoader::ParseInfoCmd(char *line, FString &scriptsrc)
|
|
{
|
|
char *temp;
|
|
|
|
// clear any control chars
|
|
for(temp=line; *temp; temp++) if (*temp<32) *temp=32;
|
|
|
|
if(readtype != RT_SCRIPT) // not for scripts
|
|
{
|
|
temp = line+strlen(line)-1;
|
|
|
|
// strip spaces at the beginning and end of the line
|
|
while(*temp == ' ') *temp-- = 0;
|
|
while(*line == ' ') line++;
|
|
|
|
if(!*line) return;
|
|
|
|
if((line[0] == '/' && line[1] == '/') || // comment
|
|
line[0] == '#' || line[0] == ';') return;
|
|
}
|
|
|
|
if(*line == '[') // a new section seperator
|
|
{
|
|
line++;
|
|
|
|
if(!strnicmp(line, "scripts", 7))
|
|
{
|
|
readtype = RT_SCRIPT;
|
|
HasScripts = true; // has scripts
|
|
}
|
|
else if (!strnicmp(line, "level info", 10))
|
|
{
|
|
readtype = RT_INFO;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (readtype==RT_SCRIPT)
|
|
{
|
|
scriptsrc << line << '\n';
|
|
}
|
|
else if (readtype==RT_INFO)
|
|
{
|
|
// Read the usable parts of the level info header
|
|
// and ignore the rest.
|
|
FScanner sc;
|
|
sc.OpenMem("LEVELINFO", line, (int)strlen(line));
|
|
sc.SetCMode(true);
|
|
sc.MustGetString();
|
|
if (sc.Compare("levelname"))
|
|
{
|
|
char * beg = strchr(line, '=')+1;
|
|
while (*beg<=' ') beg++;
|
|
char * comm = strstr(beg, "//");
|
|
if (comm) *comm=0;
|
|
Level->LevelName = beg;
|
|
}
|
|
else if (sc.Compare("partime"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetNumber();
|
|
Level->partime=sc.Number;
|
|
}
|
|
else if (sc.Compare("music"))
|
|
{
|
|
bool FS_ChangeMusic(const char * string);
|
|
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetString();
|
|
if (!FS_ChangeMusic(sc.String))
|
|
{
|
|
S_ChangeMusic(Level->Music.GetChars(), Level->musicorder);
|
|
}
|
|
}
|
|
else if (sc.Compare("skyname"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetString();
|
|
|
|
Level->skytexture1 = Level->skytexture2 = TexMan.GetTextureID (sc.String, ETextureType::Wall, FTextureManager::TEXMAN_Overridable|FTextureManager::TEXMAN_ReturnFirst);
|
|
InitSkyMap (Level);
|
|
}
|
|
else if (sc.Compare("interpic"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetString();
|
|
Level->info->ExitPic = sc.String;
|
|
}
|
|
else if (sc.Compare("gravity"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetNumber();
|
|
Level->gravity=sc.Number*8.f;
|
|
}
|
|
else if (sc.Compare("nextlevel"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetString();
|
|
Level->NextMap = sc.String;
|
|
}
|
|
else if (sc.Compare("nextsecret"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetString();
|
|
Level->NextSecretMap = sc.String;
|
|
}
|
|
else if (sc.Compare("drown"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetNumber();
|
|
drownflag=!!sc.Number;
|
|
}
|
|
else if (sc.Compare("consolecmd"))
|
|
{
|
|
char * beg = strchr(line, '=')+1;
|
|
while (*beg<' ') beg++;
|
|
char * comm = strstr(beg, "//");
|
|
if (comm) *comm=0;
|
|
FS_EmulateCmd(Level, beg);
|
|
}
|
|
else if (sc.Compare("ignore"))
|
|
{
|
|
sc.MustGetStringName("=");
|
|
sc.MustGetNumber();
|
|
IgnoreInfo=!!sc.Number;
|
|
}
|
|
// Ignore anything unknows
|
|
sc.Close();
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Loads the scripts for the current map
|
|
// Initializes all FS data
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool FScriptLoader::ParseInfo(MapData * map)
|
|
{
|
|
char *lump;
|
|
char *rover;
|
|
char *startofline;
|
|
int lumpsize;
|
|
bool fsglobal=false;
|
|
FString scriptsrc;
|
|
|
|
// Global initializazion if not done yet.
|
|
static bool done=false;
|
|
|
|
// Load the script lump
|
|
IgnoreInfo = false;
|
|
lumpsize = map->Size(0);
|
|
if (lumpsize==0)
|
|
{
|
|
// Try a global FS lump
|
|
int lumpnum=fileSystem.CheckNumForName("FSGLOBAL");
|
|
if (lumpnum<0) return false;
|
|
lumpsize=fileSystem.FileLength(lumpnum);
|
|
if (lumpsize==0) return false;
|
|
fsglobal=true;
|
|
lump=new char[lumpsize+3];
|
|
fileSystem.ReadFile(lumpnum,lump);
|
|
}
|
|
else
|
|
{
|
|
lump=new char[lumpsize+3];
|
|
map->Read(0, lump);
|
|
}
|
|
// Append a new line. The parser likes to crash when the last character is a valid token.
|
|
lump[lumpsize]='\n';
|
|
lump[lumpsize+1]='\r';
|
|
lump[lumpsize+2]=0;
|
|
lumpsize+=2;
|
|
|
|
rover = startofline = lump;
|
|
HasScripts=false;
|
|
drownflag=-1;
|
|
|
|
readtype = RT_OTHER;
|
|
while(rover < lump+lumpsize)
|
|
{
|
|
if(*rover == '\n') // end of line
|
|
{
|
|
*rover = 0; // make it an end of string (0)
|
|
if (!IgnoreInfo) ParseInfoCmd(startofline, scriptsrc);
|
|
startofline = rover+1; // next line
|
|
*rover = '\n'; // back to end of line
|
|
}
|
|
rover++;
|
|
}
|
|
if (HasScripts)
|
|
{
|
|
if (Level->FraggleScriptThinker)
|
|
{
|
|
I_Error("Only one FraggleThinker is allowed to exist at a time.\nCheck your code.");
|
|
}
|
|
|
|
auto th = Level->CreateThinker<DFraggleThinker>();
|
|
th->LevelScript->Data.Resize((unsigned)scriptsrc.Len() + 1);
|
|
memcpy(th->LevelScript->Data.Data(), scriptsrc.GetChars(), scriptsrc.Len() + 1);
|
|
Level->FraggleScriptThinker = th;
|
|
|
|
if (drownflag==-1) drownflag = (Level->maptype != MAPTYPE_DOOM || fsglobal);
|
|
if (!drownflag) Level->airsupply=0; // Legacy doesn't to water damage so we need to check if it has to be disabled here.
|
|
}
|
|
|
|
|
|
delete[] lump;
|
|
return HasScripts;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Starts the level info parser
|
|
// and patches the global linedef translation table
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void T_LoadScripts(FLevelLocals *Level, MapData *map)
|
|
{
|
|
FScriptLoader parser(Level);
|
|
bool HasScripts = parser.ParseInfo(map);
|
|
|
|
// Hack for Legacy compatibility: Since 272 is normally an MBF sky transfer we have to patch it.
|
|
// It could be done with an additional translator but that would be sub-optimal for the user.
|
|
// To handle this the default translator defines the proper Legacy type at index 270.
|
|
// This code then then swaps 270 and 272 - but only if this is either Doom or Heretic and
|
|
// the default translator is being used.
|
|
// Custom translators will not be patched.
|
|
if ((gameinfo.gametype == GAME_Doom || gameinfo.gametype == GAME_Heretic) && Level->info->Translator.IsEmpty() &&
|
|
Level->maptype == MAPTYPE_DOOM && Level->Translator->SimpleLineTranslations.Size() > 272 && Level->Translator->SimpleLineTranslations[272 - 2*HasScripts].special == FS_Execute)
|
|
{
|
|
std::swap(Level->Translator->SimpleLineTranslations[270], Level->Translator->SimpleLineTranslations[272]);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Adds an actor to the list of spawned things
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void T_AddSpawnedThing(FLevelLocals *Level, AActor * ac)
|
|
{
|
|
if (Level->FraggleScriptThinker)
|
|
{
|
|
auto &SpawnedThings = Level->FraggleScriptThinker->SpawnedThings;
|
|
SpawnedThings.Push(MakeObjPtr<AActor*>(ac));
|
|
}
|
|
}
|