static void ParseFriction (int keyword, void *fields)
{
FTerrainDef *def = (FTerrainDef *)fields;
fixed_t friction, movefactor;
SC_MustGetFloat ();
// These calculations should match those in P_SetSectorFriction().
// A friction of 1.0 is equivalent to ORIG_FRICTION.
friction = (fixed_t)(0x1EB8*(sc_Float*100))/0x80 + 0xD001;
friction = clamp<fixed_t> (friction, 0, FRACUNIT);
if (friction > ORIG_FRICTION) // ice
movefactor = ((0x10092 - friction) * 1024) / 4352 + 568;
else
movefactor = ((friction - 0xDB34)*(0xA))/0x80;
if (movefactor < 32)
movefactor = 32;
def->Friction = friction;
def->MoveFactor = movefactor;
}
static void ParseMapInfoLower (MapInfoHandler *handlers,
const char *strings[],
level_pwad_info_t *levelinfo,
cluster_info_t *clusterinfo,
DWORD flags)
{
int entry;
MapInfoHandler *handler;
byte *info;
info = levelinfo ? (byte *)levelinfo : (byte *)clusterinfo;
while (SC_GetString ())
{
if (SC_MatchString (MapInfoTopLevel) != -1)
{
SC_UnGet ();
break;
}
entry = SC_MustMatchString (strings);
handler = handlers + entry;
switch (handler->type)
{
case MITYPE_IGNORE:
break;
case MITYPE_EATNEXT:
SC_MustGetString ();
break;
case MITYPE_INT:
SC_MustGetNumber ();
*((int *)(info + handler->data1)) = sc_Number;
break;
case MITYPE_FLOAT:
SC_MustGetFloat ();
*((float *)(info + handler->data1)) = sc_Float;
break;
case MITYPE_COLOR:
{
SC_MustGetString ();
std::string string = V_GetColorStringByName (sc_String);
if (string.length())
{
*((DWORD *)(info + handler->data1)) =
V_GetColorFromString (NULL, string.c_str());
}
else
{
*((DWORD *)(info + handler->data1)) =
V_GetColorFromString (NULL, sc_String);
}
}
break;
case MITYPE_MAPNAME:
SC_MustGetString ();
if (IsNum (sc_String))
{
int map = atoi (sc_String);
sprintf (sc_String, "MAP%02d", map);
}
strncpy ((char *)(info + handler->data1), sc_String, 8);
break;
case MITYPE_LUMPNAME:
SC_MustGetString ();
uppercopy ((char *)(info + handler->data1), sc_String);
break;
case MITYPE_SKY:
SC_MustGetString (); // get texture name;
uppercopy ((char *)(info + handler->data1), sc_String);
SC_MustGetFloat (); // get scroll speed
//if (HexenHack)
//{
// *((fixed_t *)(info + handler->data2)) = sc_Number << 8;
//}
//else
//{
// *((fixed_t *)(info + handler->data2)) = (fixed_t)(sc_Float * 65536.0f);
//}
break;
case MITYPE_SETFLAG:
flags |= handler->data1;
break;
case MITYPE_SCFLAGS:
flags = (flags & handler->data2) | handler->data1;
break;
case MITYPE_CLUSTER:
SC_MustGetNumber ();
*((int *)(info + handler->data1)) = sc_Number;
if (HexenHack)
{
cluster_info_t *clusterH = FindClusterInfo (sc_Number);
if (clusterH)
clusterH->flags |= CLUSTER_HUB;
}
break;
case MITYPE_STRING:
SC_MustGetString ();
ReplaceString ((const char **)(info + handler->data1), sc_String);
break;
case MITYPE_CSTRING:
SC_MustGetString ();
strncpy ((char *)(info + handler->data1), sc_String, handler->data2);
*((char *)(info + handler->data1 + handler->data2)) = '\0';
break;
}
}
if (levelinfo)
levelinfo->flags = flags;
else
clusterinfo->flags = flags;
}
static void GenericParse (FGenericParse *parser, const char **keywords,
void *fields, const char *type, const char *name)
{
bool notdone = true;
int keyword;
int val;
const TypeInfo *info;
do
{
SC_MustGetString ();
keyword = SC_MustMatchString (keywords);
switch (parser[keyword].Type)
{
case GEN_End:
notdone = false;
break;
case GEN_Fixed:
SC_MustGetFloat ();
SET_FIELD (fixed_t, (fixed_t)(FRACUNIT * sc_Float));
break;
case GEN_Sound:
SC_MustGetString ();
val = S_FindSound (sc_String);
SET_FIELD (int, val);
if (val == 0)
{
Printf ("Unknown sound %s in %s %s\n",
sc_String, type, name);
}
break;
case GEN_Byte:
SC_MustGetNumber ();
SET_FIELD (byte, sc_Number);
break;
case GEN_Class:
SC_MustGetString ();
if (SC_Compare ("None"))
{
info = NULL;
}
else
{
info = TypeInfo::IFindType (sc_String);
if (!info->IsDescendantOf (RUNTIME_CLASS(AActor)))
{
Printf ("%s is not an Actor (in %s %s)\n",
sc_String, type, name);
info = NULL;
}
else if (info == NULL)
{
Printf ("Unknown actor %s in %s %s\n",
sc_String, type, name);
}
}
SET_FIELD (const TypeInfo *, info);
break;
case GEN_Splash:
SC_MustGetString ();
val = FindSplash (sc_String);
SET_FIELD (int, val);
if (val == -1)
{
Printf ("Splash %s is not defined yet (in %s %s)\n",
sc_String, type, name);
}
break;
case GEN_Float:
SC_MustGetFloat ();
SET_FIELD (float, sc_Float);
break;
case GEN_Time:
SC_MustGetFloat ();
SET_FIELD (int, (int)(sc_Float * TICRATE));
break;
case GEN_Bool:
SET_FIELD (bool, true);
break;
case GEN_Int:
SC_MustGetNumber ();
SET_FIELD (int, sc_Number);
break;
case GEN_Custom:
parser[keyword].u.Handler (keyword, fields);
break;
}
} while (notdone);
}
//==========================================================================
//
// ParseStates
// parses a state block
//
//==========================================================================
int ParseStates(FActorInfo * actor, AActor * defaults, Baggage &bag)
{
FString statestring;
intptr_t count = 0;
FState state;
FState * laststate = NULL;
intptr_t lastlabel = -1;
int minrequiredstate = -1;
SC_MustGetStringName ("{");
SC_SetEscape(false); // disable escape sequences in the state parser
while (!SC_CheckString ("}") && !sc_End)
{
memset(&state,0,sizeof(state));
statestring = ParseStateString();
if (!statestring.CompareNoCase("GOTO"))
{
do_goto:
statestring = ParseStateString();
if (SC_CheckString ("+"))
{
SC_MustGetNumber ();
statestring += '+';
statestring += sc_String;
}
// copy the text - this must be resolved later!
if (laststate != NULL)
{ // Following a state definition: Modify it.
laststate->NextState = (FState*)copystring(statestring);
}
else if (lastlabel >= 0)
{ // Following a label: Retarget it.
RetargetStates (count+1, statestring);
}
else
{
SC_ScriptError("GOTO before first state");
}
}
else if (!statestring.CompareNoCase("STOP"))
{
do_stop:
if (laststate!=NULL)
{
laststate->NextState=(FState*)-1;
}
else if (lastlabel >=0)
{
RetargetStates (count+1, NULL);
}
else
{
SC_ScriptError("STOP before first state");
continue;
}
}
else if (!statestring.CompareNoCase("WAIT") || !statestring.CompareNoCase("FAIL"))
{
if (!laststate)
{
SC_ScriptError("%s before first state", sc_String);
continue;
}
laststate->NextState=(FState*)-2;
}
else if (!statestring.CompareNoCase("LOOP"))
{
if (!laststate)
{
SC_ScriptError("LOOP before first state");
continue;
}
laststate->NextState=(FState*)(lastlabel+1);
}
else
{
const char * statestrp;
SC_MustGetString();
if (SC_Compare (":"))
{
laststate = NULL;
do
{
lastlabel = count;
AddState(statestring, (FState *) (count+1));
statestring = ParseStateString();
if (!statestring.CompareNoCase("GOTO"))
{
goto do_goto;
}
else if (!statestring.CompareNoCase("STOP"))
{
goto do_stop;
}
SC_MustGetString ();
} while (SC_Compare (":"));
// continue;
}
SC_UnGet ();
if (statestring.Len() != 4)
{
SC_ScriptError ("Sprite names must be exactly 4 characters\n");
}
memcpy(state.sprite.name, statestring, 4);
state.Misc1=state.Misc2=0;
state.ParameterIndex=0;
SC_MustGetString();
statestring = (sc_String+1);
statestrp = statestring;
state.Frame=(*sc_String&223)-'A';
if ((*sc_String&223)<'A' || (*sc_String&223)>']')
{
SC_ScriptError ("Frames must be A-Z, [, \\, or ]");
state.Frame=0;
}
SC_MustGetNumber();
sc_Number++;
state.Tics=sc_Number&255;
state.Misc1=(sc_Number>>8)&255;
if (state.Misc1) state.Frame|=SF_BIGTIC;
while (SC_GetString() && !sc_Crossed)
{
if (SC_Compare("BRIGHT"))
{
state.Frame|=SF_FULLBRIGHT;
continue;
}
if (SC_Compare("OFFSET"))
{
if (state.Frame&SF_BIGTIC)
{
SC_ScriptError("You cannot use OFFSET with a state duration larger than 254!");
}
// specify a weapon offset
SC_MustGetStringName("(");
SC_MustGetNumber();
state.Misc1=sc_Number;
SC_MustGetStringName (",");
SC_MustGetNumber();
state.Misc2=sc_Number;
SC_MustGetStringName(")");
continue;
}
// Make the action name lowercase to satisfy the gperf hashers
strlwr (sc_String);
int minreq=count;
if (DoActionSpecials(state, !statestring.IsEmpty(), &minreq, bag))
{
if (minreq>minrequiredstate) minrequiredstate=minreq;
goto endofstate;
}
PSymbol *sym = bag.Info->Class->Symbols.FindSymbol (FName(sc_String, true), true);
if (sym != NULL && sym->SymbolType == SYM_ActionFunction)
{
PSymbolActionFunction *afd = static_cast<PSymbolActionFunction *>(sym);
state.Action = afd->Function;
if (!afd->Arguments.IsEmpty())
{
const char *params = afd->Arguments.GetChars();
int numparams = (int)afd->Arguments.Len();
int v;
if (!islower(*params))
{
SC_MustGetStringName("(");
}
else
{
if (!SC_CheckString("(")) goto endofstate;
}
int paramindex = PrepareStateParameters(&state, numparams);
int paramstart = paramindex;
bool varargs = params[numparams - 1] == '+';
if (varargs)
{
StateParameters[paramindex++] = 0;
}
while (*params)
{
switch(*params)
{
case 'I':
case 'i': // Integer
SC_MustGetNumber();
v=sc_Number;
break;
case 'F':
case 'f': // Fixed point
SC_MustGetFloat();
v=fixed_t(sc_Float*FRACUNIT);
break;
case 'S':
case 's': // Sound name
SC_MustGetString();
v=S_FindSound(sc_String);
break;
case 'M':
case 'm': // Actor name
case 'T':
case 't': // String
SC_SetEscape(true);
SC_MustGetString();
SC_SetEscape(false);
v = (int)(sc_String[0] ? FName(sc_String) : NAME_None);
break;
case 'L':
case 'l': // Jump label
if (SC_CheckNumber())
{
if (strlen(statestring)>0)
{
SC_ScriptError("You cannot use A_Jump commands with a jump index on multistate definitions\n");
}
v=sc_Number;
if (v<1)
{
SC_ScriptError("Negative jump offsets are not allowed");
}
{
int minreq=count+v;
if (minreq>minrequiredstate) minrequiredstate=minreq;
}
}
else
{
if (JumpParameters.Size()==0) JumpParameters.Push(NAME_None);
v = -(int)JumpParameters.Size();
// This forces quotation marks around the state name.
SC_MustGetToken(TK_StringConst);
FString statestring = sc_String; // ParseStateString();
const PClass *stype=NULL;
int scope = statestring.IndexOf("::");
if (scope >= 0)
{
FName scopename = FName(statestring, scope, false);
if (scopename == NAME_Super)
{
// Super refers to the direct superclass
scopename = actor->Class->ParentClass->TypeName;
}
JumpParameters.Push(scopename);
statestring = statestring.Right(statestring.Len()-scope-2);
stype = PClass::FindClass (scopename);
if (stype == NULL)
{
SC_ScriptError ("%s is an unknown class.", scopename.GetChars());
}
if (!stype->IsDescendantOf (RUNTIME_CLASS(AActor)))
{
SC_ScriptError ("%s is not an actor class, so it has no states.", stype->TypeName.GetChars());
}
if (!stype->IsAncestorOf (actor->Class))
{
SC_ScriptError ("%s is not derived from %s so cannot access its states.",
actor->Class->TypeName.GetChars(), stype->TypeName.GetChars());
}
}
else
{
// No class name is stored. This allows 'virtual' jumps to
// labels in subclasses.
// It also means that the validity of the given state cannot
// be checked here.
JumpParameters.Push(NAME_None);
}
TArray<FName> names;
MakeStateNameList(statestring, &names);
if (stype != NULL)
{
if (!stype->ActorInfo->FindState(names.Size(), &names[0]))
{
SC_ScriptError("Jump to unknown state '%s' in class '%s'",
statestring.GetChars(), stype->TypeName.GetChars());
}
}
JumpParameters.Push((ENamedName)names.Size());
for(unsigned i=0;i<names.Size();i++)
{
JumpParameters.Push(names[i]);
}
// No offsets here. The point of jumping to labels is to avoid such things!
}
break;
case 'C':
case 'c': // Color
SC_MustGetString ();
if (SC_Compare("none"))
{
v = -1;
}
else
{
int c = V_GetColor (NULL, sc_String);
// 0 needs to be the default so we have to mark the color.
v = MAKEARGB(1, RPART(c), GPART(c), BPART(c));
}
break;
case 'X':
case 'x':
v = ParseExpression (false, bag.Info->Class);
break;
case 'Y':
case 'y':
v = ParseExpression (true, bag.Info->Class);
break;
default:
assert(false);
v = -1;
break;
}
StateParameters[paramindex++] = v;
params++;
if (varargs)
{
StateParameters[paramstart]++;
}
if (*params)
{
if (*params == '+')
{
if (SC_CheckString(")"))
{
goto endofstate;
}
params--;
v = 0;
StateParameters.Push(v);
}
else if ((islower(*params) || *params=='!') && SC_CheckString(")"))
{
goto endofstate;
}
SC_MustGetStringName (",");
}
}
SC_MustGetStringName(")");
}
else
{
SC_MustGetString();
if (SC_Compare("("))
{
SC_ScriptError("You cannot pass parameters to '%s'\n",sc_String);
}
SC_UnGet();
}
goto endofstate;
}
SC_ScriptError("Invalid state parameter %s\n", sc_String);
}
SC_UnGet();
endofstate:
StateArray.Push(state);
while (*statestrp)
{
int frame=((*statestrp++)&223)-'A';
if (frame<0 || frame>28)
{
SC_ScriptError ("Frames must be A-Z, [, \\, or ]");
frame=0;
}
state.Frame=(state.Frame&(SF_FULLBRIGHT|SF_BIGTIC))|frame;
StateArray.Push(state);
count++;
}
laststate=&StateArray[count];
count++;
}
}
if (count<=minrequiredstate)
{
SC_ScriptError("A_Jump offset out of range in %s", actor->Class->TypeName.GetChars());
}
SC_SetEscape(true); // re-enable escape sequences
return count;
}