/// <summary>
/// ED_ParseEdict
/// Parses an edict out of the given string, returning the new position
/// ed should be a properly initialized empty edict.
/// Used for initial level load and for savegames.
/// </summary>
public static string ParseEdict(string data, edict_t ent)
{
bool init = false;
// clear it
if (ent != Server.sv.edicts[0]) // hack
{
ent.Clear();
}
// go through all the dictionary pairs
bool anglehack;
while (true)
{
// parse key
data = Common.Parse(data);
if (Common.Token.StartsWith("}"))
{
break;
}
if (data == null)
{
Sys.Error("ED_ParseEntity: EOF without closing brace");
}
string token = Common.Token;
// anglehack is to allow QuakeEd to write single scalar angles
// and allow them to be turned into vectors. (FIXME...)
if (token == "angle")
{
token = "angles";
anglehack = true;
}
else
{
anglehack = false;
}
// FIXME: change light to _light to get rid of this hack
if (token == "light")
{
token = "light_lev"; // hack for single light def
}
string keyname = token.TrimEnd();
// parse value
data = Common.Parse(data);
if (data == null)
{
Sys.Error("ED_ParseEntity: EOF without closing brace");
}
if (Common.Token.StartsWith("}"))
{
Sys.Error("ED_ParseEntity: closing brace without data");
}
init = true;
// keynames with a leading underscore are used for utility comments,
// and are immediately discarded by quake
if (keyname[0] == '_')
{
continue;
}
ddef_t key = FindField(keyname);
if (key == null)
{
Con.Print("'{0}' is not a field\n", keyname);
continue;
}
token = Common.Token;
if (anglehack)
{
token = "0 " + token + " 0";
}
if (!ParsePair(ent, key, token))
{
Host.Error("ED_ParseEdict: parse error");
}
}
if (!init)
{
ent.free = true;
}
return(data);
}
/// <summary>
/// Since memory block containing original edict_t plus additional data
/// is split into two fiels - edict_t.v and edict_t.fields we must check key.ofs
/// to choose between thistwo parts.
/// Warning: Key offset is in integers not bytes!
/// </summary>
static unsafe bool ParsePair(edict_t ent, ddef_t key, string s)
{
int offset1;
if (ent.IsV(key.ofs, out offset1))
{
fixed (entvars_t* ptr = &ent.v)
{
return ParsePair((int*)ptr + offset1, key, s);
}
}
else
fixed (float* ptr = ent.fields)
{
return ParsePair(ptr + offset1, key, s);
}
}
/// <summary>
/// ED_ParseEpair
/// Can parse either fields or globals returns false if error
/// Uze: Warning! value pointer is already with correct offset (value = base + key.ofs)!
/// </summary>
static unsafe bool ParsePair(void* value, ddef_t key, string s)
{
void* d = value;// (void *)((int *)base + key->ofs);
switch ((etype_t)(key.type & ~DEF_SAVEGLOBAL))
{
case etype_t.ev_string:
*(int*)d = NewString(s);// - pr_strings;
break;
case etype_t.ev_float:
*(float*)d = Common.atof(s);
break;
case etype_t.ev_vector:
string[] vs = s.Split(' ');
((float*)d)[0] = Common.atof(vs[0]);
((float*)d)[1] = (vs.Length > 1 ? Common.atof(vs[1]) : 0);
((float*)d)[2] = (vs.Length > 2 ? Common.atof(vs[2]) : 0);
break;
case etype_t.ev_entity:
*(int*)d = Server.EdictToProg(Server.EdictNum(Common.atoi(s)));
break;
case etype_t.ev_field:
int f = IndexOfField(s);
if (f == -1)
{
Con.Print("Can't find field {0}\n", s);
return false;
}
*(int*)d = GetInt32(_FieldDefs[f].ofs);
break;
case etype_t.ev_function:
int func = IndexOfFunction(s);
if (func == -1)
{
Con.Print("Can't find function {0}\n", s);
return false;
}
*(int*)d = func;// - pr_functions;
break;
default:
break;
}
return true;
}
static unsafe bool ParseGlobalPair(ddef_t key, string value)
{
int offset;
if (IsGlobalStruct(key.ofs, out offset))
{
return ParsePair((float*)_GlobalStructAddr + offset, key, value);
}
return ParsePair((float*)_GlobalsAddr + offset, key, value);
}