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raze/source/common/console/c_cvars.cpp
Christoph Oelckers aa54d3af10 backend update from GZDoom 
LZMA update plus several ZScript improvements.
2023-10-07 18:44:31 +02:00

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/*
** c_cvars.cpp
** Defines all the different console variable types
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 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 <string.h>
#include <assert.h>
#include "cmdlib.h"
#include "configfile.h"
#include "c_console.h"
#include "c_dispatch.h"
#include "c_cvars.h"
#include "engineerrors.h"
#include "printf.h"
#include "palutil.h"
#include "i_interface.h"
#include "dobject.h"
#include "dobjtype.h"
#include "dobjgc.h"
#include "vm.h"
struct FLatchedValue
{
FBaseCVar *Variable;
UCVarValue Value;
ECVarType Type;
bool UnsafeContext;
};
static TArray<FLatchedValue> LatchedValues;
int cvar_defflags;
static ConsoleCallbacks* callbacks;
// Install game-specific handlers, mainly to deal with serverinfo and userinfo CVARs.
// This is to keep the console independent of game implementation details for easier reusability.
void C_InstallHandlers(ConsoleCallbacks* cb)
{
callbacks = cb;
}
void C_InitCVars(int which)
{
AutoSegs::CVarDecl.ForEach([](FCVarDecl* cvInfo)
{
FBaseCVar* newcvar;
switch(cvInfo->type)
{
default:
return;
case CVAR_Int:
{
using callbacktype = void (*)(FIntCVar &);
newcvar = new FIntCVar(cvInfo->name, cvInfo->defaultval.Int, cvInfo->flags, reinterpret_cast<callbacktype>(cvInfo->callbackp), cvInfo->description);
break;
}
case CVAR_Bool:
{
using callbacktype = void (*)(FBoolCVar &);
newcvar = new FBoolCVar(cvInfo->name, cvInfo->defaultval.Bool, cvInfo->flags, reinterpret_cast<callbacktype>(cvInfo->callbackp), cvInfo->description);
break;
}
case CVAR_Float:
{
using callbacktype = void (*)(FFloatCVar &);
newcvar = new FFloatCVar(cvInfo->name, cvInfo->defaultval.Float, cvInfo->flags, reinterpret_cast<callbacktype>(cvInfo->callbackp), cvInfo->description);
break;
}
case CVAR_String:
{
using callbacktype = void (*)(FStringCVar &);
newcvar = new FStringCVar(cvInfo->name, cvInfo->defaultval.String, cvInfo->flags, reinterpret_cast<callbacktype>(cvInfo->callbackp), cvInfo->description);
break;
}
case CVAR_Color:
{
using callbacktype = void (*)(FColorCVar &);
newcvar = new FColorCVar(cvInfo->name, cvInfo->defaultval.Int, cvInfo->flags, reinterpret_cast<callbacktype>(cvInfo->callbackp), cvInfo->description);
break;
}
}
*(void**)cvInfo->refAddr = newcvar;
});
AutoSegs::CVarDecl.ForEach([](FCVarDecl* cvInfo)
{
FBaseCVar* newcvar;
switch (cvInfo->type)
{
default:
return;
case CVAR_Flag:
{
newcvar = new FFlagCVar(cvInfo->name, *cvInfo->defaultval.Pointer->get(), cvInfo->flags, cvInfo->description);
break;
}
case CVAR_Mask:
{
newcvar = new FMaskCVar(cvInfo->name, *cvInfo->defaultval.Pointer->get(), cvInfo->flags, cvInfo->description);
break;
}
}
*(void**)cvInfo->refAddr = newcvar;
});
}
void C_UninitCVars()
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair* pair;
while (it.NextPair(pair))
{
auto var = pair->Value;
pair->Value = nullptr;
delete var;
}
}
FBaseCVar::FBaseCVar (const char *var_name, uint32_t flags, void (*callback)(FBaseCVar &), const char *descr)
{
if (var_name != nullptr && (flags & CVAR_SERVERINFO))
{
// This limitation is imposed by network protocol which uses only 6 bits
// for name's length with terminating null character
static const size_t NAME_LENGHT_MAX = 63;
if (strlen(var_name) > NAME_LENGHT_MAX)
{
I_FatalError("Name of the server console variable \"%s\" is too long.\n"
"Its length should not exceed %zu characters.\n", var_name, NAME_LENGHT_MAX);
}
}
m_Callback = callback;
Flags = 0;
VarName = "";
Description = descr;
FBaseCVar* var = nullptr;
if (var_name)
{
var = FindCVar(var_name, NULL);
C_AddTabCommand (var_name);
VarName = var_name;
cvarMap.Insert(var_name, this);
}
if (var)
{
ECVarType type;
UCVarValue value;
value = var->GetFavoriteRep (&type);
ForceSet (value, type);
delete var;
Flags = flags;
}
else
{
Flags = flags | CVAR_ISDEFAULT;
}
}
FBaseCVar::~FBaseCVar ()
{
if (VarName.IsNotEmpty())
{
FBaseCVar *var, *prev;
var = FindCVar (VarName.GetChars(), &prev);
if (var == this)
{
cvarMap.Remove(var->VarName);
C_RemoveTabCommand(VarName.GetChars());
}
}
}
void FBaseCVar::SetCallback(void (*callback)(FBaseCVar&))
{
m_Callback = callback;
}
void FBaseCVar::ClearCallback()
{
m_Callback = nullptr;
}
void FBaseCVar::SetExtraDataPointer(void *pointer)
{
m_ExtraDataPointer = pointer;
}
void* FBaseCVar::GetExtraDataPointer()
{
return m_ExtraDataPointer;
}
const char *FBaseCVar::GetHumanString(int precision) const
{
return GetGenericRep(CVAR_String).String;
}
const char *FBaseCVar::GetHumanStringDefault(int precision) const
{
return GetGenericRepDefault(CVAR_String).String;
}
void FBaseCVar::ForceSet (UCVarValue value, ECVarType type, bool nouserinfosend)
{
DoSet (value, type);
if ((Flags & CVAR_USERINFO) && !nouserinfosend && !(Flags & CVAR_IGNORE))
if (callbacks && callbacks->UserInfoChanged) callbacks->UserInfoChanged(this);
if (m_UseCallback)
Callback ();
if ((Flags & CVAR_ARCHIVE) && !(Flags & CVAR_UNSAFECONTEXT))
{
SafeValue = GetGenericRep(CVAR_String).String;
}
Flags &= ~(CVAR_ISDEFAULT | CVAR_UNSAFECONTEXT);
}
void FBaseCVar::SetGenericRep (UCVarValue value, ECVarType type)
{
if ((Flags & CVAR_NOSET) && m_DoNoSet)
{
return;
}
if ((Flags & CVAR_LATCH) && callbacks && callbacks->MustLatch())
{
FLatchedValue latch;
latch.Variable = this;
latch.Type = type;
if (type != CVAR_String)
latch.Value = value;
else
latch.Value.String = copystring(value.String);
latch.UnsafeContext = !!(Flags & CVAR_UNSAFECONTEXT);
LatchedValues.Push (latch);
Flags &= ~CVAR_UNSAFECONTEXT;
return;
}
if ((Flags & CVAR_SERVERINFO) && callbacks && callbacks->SendServerInfoChange)
{
if (callbacks->SendServerInfoChange(this, value, type)) return;
}
ForceSet (value, type);
}
bool FBaseCVar::ToBool (UCVarValue value, ECVarType type)
{
switch (type)
{
case CVAR_Bool:
return value.Bool;
case CVAR_Color:
case CVAR_Int:
return !!value.Int;
case CVAR_Float:
return value.Float != 0.f;
case CVAR_String:
if (stricmp (value.String, "true") == 0)
return true;
else if (stricmp (value.String, "false") == 0)
return false;
else
return !!strtoll (value.String, NULL, 0);
default:
return false;
}
}
int FBaseCVar::ToInt (UCVarValue value, ECVarType type)
{
int res;
#if __GNUC__ <= 2
float tmp;
#endif
switch (type)
{
case CVAR_Bool: res = (int)value.Bool; break;
case CVAR_Color:
case CVAR_Int: res = value.Int; break;
#if __GNUC__ <= 2
case CVAR_Float: tmp = value.Float; res = (int)tmp; break;
#else
case CVAR_Float: res = (int)value.Float; break;
#endif
case CVAR_String:
{
if (stricmp (value.String, "true") == 0)
res = 1;
else if (stricmp (value.String, "false") == 0)
res = 0;
else
res = (int)strtoll (value.String, NULL, 0);
break;
}
default: res = 0; break;
}
return res;
}
float FBaseCVar::ToFloat (UCVarValue value, ECVarType type)
{
switch (type)
{
case CVAR_Bool:
return (float)value.Bool;
case CVAR_Color:
case CVAR_Int:
return (float)value.Int;
case CVAR_Float:
return value.Float;
case CVAR_String:
return (float)strtod (value.String, NULL);
default:
return 0.f;
}
}
static char cstrbuf[40];
static GUID cGUID;
static char truestr[] = "true";
static char falsestr[] = "false";
const char *FBaseCVar::ToString (UCVarValue value, ECVarType type)
{
switch (type)
{
case CVAR_Bool:
return value.Bool ? truestr : falsestr;
case CVAR_String:
return value.String;
case CVAR_Color:
case CVAR_Int:
mysnprintf (cstrbuf, countof(cstrbuf), "%i", value.Int);
break;
case CVAR_Float:
IGNORE_FORMAT_PRE
mysnprintf (cstrbuf, countof(cstrbuf), "%g", value.Float);
IGNORE_FORMAT_POST
break;
default:
strcpy (cstrbuf, "<huh?>");
break;
}
return cstrbuf;
}
UCVarValue FBaseCVar::FromBool (bool value, ECVarType type)
{
UCVarValue ret;
switch (type)
{
case CVAR_Bool:
ret.Bool = value;
break;
case CVAR_Int:
ret.Int = value;
break;
case CVAR_Float:
ret.Float = value;
break;
case CVAR_String:
ret.String = value ? truestr : falsestr;
break;
default:
ret.Int = 0;
break;
}
return ret;
}
UCVarValue FBaseCVar::FromInt (int value, ECVarType type)
{
UCVarValue ret;
switch (type)
{
case CVAR_Bool:
ret.Bool = value != 0;
break;
case CVAR_Int:
ret.Int = value;
break;
case CVAR_Float:
ret.Float = (float)value;
break;
case CVAR_String:
mysnprintf (cstrbuf, countof(cstrbuf), "%i", value);
ret.String = cstrbuf;
break;
default:
ret.Int = 0;
break;
}
return ret;
}
UCVarValue FBaseCVar::FromFloat (float value, ECVarType type)
{
UCVarValue ret;
switch (type)
{
case CVAR_Bool:
ret.Bool = value != 0.f;
break;
case CVAR_Int:
ret.Int = (int)value;
break;
case CVAR_Float:
ret.Float = value;
break;
case CVAR_String:
IGNORE_FORMAT_PRE
mysnprintf (cstrbuf, countof(cstrbuf), "%g", value);
IGNORE_FORMAT_POST
ret.String = cstrbuf;
break;
default:
ret.Int = 0;
break;
}
return ret;
}
static uint8_t HexToByte (const char *hex)
{
uint8_t v = 0;
for (int i = 0; i < 2; ++i)
{
v <<= 4;
if (hex[i] >= '0' && hex[i] <= '9')
{
v += hex[i] - '0';
}
else if (hex[i] >= 'A' && hex[i] <= 'F')
{
v += hex[i] - 'A';
}
else // The string is already verified to contain valid hexits
{
v += hex[i] - 'a';
}
}
return v;
}
UCVarValue FBaseCVar::FromString (const char *value, ECVarType type)
{
UCVarValue ret;
switch (type)
{
case CVAR_Bool:
if (stricmp (value, "true") == 0)
ret.Bool = true;
else if (stricmp (value, "false") == 0)
ret.Bool = false;
else
ret.Bool = strtoll (value, NULL, 0) != 0;
break;
case CVAR_Int:
if (stricmp (value, "true") == 0)
ret.Int = 1;
else if (stricmp (value, "false") == 0)
ret.Int = 0;
else
ret.Int = (int)strtoll (value, NULL, 0);
break;
case CVAR_Float:
ret.Float = (float)strtod (value, NULL);
break;
case CVAR_String:
ret.String = const_cast<char *>(value);
break;
default:
ret.Int = 0;
break;
}
return ret;
}
FBaseCVar *cvar_set (const char *var_name, const char *val)
{
FBaseCVar *var;
if ( (var = FindCVar (var_name, NULL)) )
{
UCVarValue value;
value.String = const_cast<char *>(val);
var->SetGenericRep (value, CVAR_String);
}
return var;
}
FBaseCVar *cvar_forceset (const char *var_name, const char *val)
{
FBaseCVar *var;
UCVarValue vval;
if ( (var = FindCVar (var_name, NULL)) )
{
vval.String = const_cast<char *>(val);
var->ForceSet (vval, CVAR_String);
}
return var;
}
void FBaseCVar::EnableNoSet ()
{
m_DoNoSet = true;
}
void FBaseCVar::EnableCallbacks ()
{
m_UseCallback = true;
CVarMap::Iterator it(cvarMap);
CVarMap::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if (!(cvar->Flags & CVAR_NOINITCALL))
{
cvar->Callback ();
}
}
}
void FBaseCVar::InitZSCallbacks ()
{
CVarMap::Iterator it(cvarMap);
CVarMap::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if (cvar->Flags & CVAR_ZS_CUSTOM)
{
cvar->InstantiateZSCVar();
}
}
GC::AddMarkerFunc(FBaseCVar::MarkZSCallbacks);
}
void FBaseCVar::MarkZSCallbacks () {
CVarMap::Iterator it(cvarMap);
CVarMap::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if (cvar->Flags & CVAR_ZS_CUSTOM)
{
cvar->MarkZSCVar();
}
}
}
void FBaseCVar::DisableCallbacks ()
{
m_UseCallback = false;
}
//
// Boolean cvar implementation
//
FBoolCVar::FBoolCVar (const char *name, bool def, uint32_t flags, void (*callback)(FBoolCVar &), const char* descr)
: FBaseCVar (name, flags, reinterpret_cast<void (*)(FBaseCVar &)>(callback), descr)
{
DefaultValue = def;
if (Flags & CVAR_ISDEFAULT)
Value = def;
}
ECVarType FBoolCVar::GetRealType () const
{
return CVAR_Bool;
}
UCVarValue FBoolCVar::GetGenericRep (ECVarType type) const
{
return FromBool (Value, type);
}
UCVarValue FBoolCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Bool;
ret.Bool = Value;
return ret;
}
UCVarValue FBoolCVar::GetGenericRepDefault (ECVarType type) const
{
return FromBool (DefaultValue, type);
}
UCVarValue FBoolCVar::GetFavoriteRepDefault (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Bool;
ret.Bool = DefaultValue;
return ret;
}
void FBoolCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
DefaultValue = ToBool (value, type);
if (Flags & CVAR_ISDEFAULT)
{
SetGenericRep (value, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FBoolCVar::DoSet (UCVarValue value, ECVarType type)
{
Value = ToBool (value, type);
}
//
// Integer cvar implementation
//
FIntCVar::FIntCVar (const char *name, int def, uint32_t flags, void (*callback)(FIntCVar &), const char* descr)
: FBaseCVar (name, flags, reinterpret_cast<void (*)(FBaseCVar &)>(callback), descr)
{
DefaultValue = def;
if (Flags & CVAR_ISDEFAULT)
Value = def;
}
ECVarType FIntCVar::GetRealType () const
{
return CVAR_Int;
}
UCVarValue FIntCVar::GetGenericRep (ECVarType type) const
{
return FromInt (Value, type);
}
UCVarValue FIntCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Int;
ret.Int = Value;
return ret;
}
UCVarValue FIntCVar::GetGenericRepDefault (ECVarType type) const
{
return FromInt (DefaultValue, type);
}
UCVarValue FIntCVar::GetFavoriteRepDefault (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Int;
ret.Int = DefaultValue;
return ret;
}
void FIntCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
DefaultValue = ToInt (value, type);
if (Flags & CVAR_ISDEFAULT)
{
SetGenericRep (value, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FIntCVar::DoSet (UCVarValue value, ECVarType type)
{
Value = ToInt (value, type);
}
//
// Floating point cvar implementation
//
FFloatCVar::FFloatCVar (const char *name, float def, uint32_t flags, void (*callback)(FFloatCVar &), const char* descr)
: FBaseCVar (name, flags, reinterpret_cast<void (*)(FBaseCVar &)>(callback), descr)
{
DefaultValue = def;
if (Flags & CVAR_ISDEFAULT)
Value = def;
}
ECVarType FFloatCVar::GetRealType () const
{
return CVAR_Float;
}
const char *FFloatCVar::GetHumanString(int precision) const
{
if (precision < 0)
{
precision = 6;
}
mysnprintf(cstrbuf, countof(cstrbuf), "%.*g", precision, Value);
return cstrbuf;
}
const char *FFloatCVar::GetHumanStringDefault(int precision) const
{
if (precision < 0)
{
precision = 6;
}
mysnprintf(cstrbuf, countof(cstrbuf), "%.*g", precision, DefaultValue);
return cstrbuf;
}
UCVarValue FFloatCVar::GetGenericRep (ECVarType type) const
{
return FromFloat (Value, type);
}
UCVarValue FFloatCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Float;
ret.Float = Value;
return ret;
}
UCVarValue FFloatCVar::GetGenericRepDefault (ECVarType type) const
{
return FromFloat (DefaultValue, type);
}
UCVarValue FFloatCVar::GetFavoriteRepDefault (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Float;
ret.Float = DefaultValue;
return ret;
}
void FFloatCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
DefaultValue = ToFloat (value, type);
if (Flags & CVAR_ISDEFAULT)
{
SetGenericRep (value, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FFloatCVar::DoSet (UCVarValue value, ECVarType type)
{
Value = ToFloat (value, type);
}
//
// String cvar implementation
//
FStringCVar::FStringCVar (const char *name, const char *def, uint32_t flags, void (*callback)(FStringCVar &), const char* descr)
: FBaseCVar (name, flags, reinterpret_cast<void (*)(FBaseCVar &)>(callback), descr)
{
mDefaultValue = def;
if (Flags & CVAR_ISDEFAULT)
mValue = def;
else
mValue = "";
}
FStringCVar::~FStringCVar ()
{
}
ECVarType FStringCVar::GetRealType () const
{
return CVAR_String;
}
UCVarValue FStringCVar::GetGenericRep (ECVarType type) const
{
return FromString (mValue.GetChars(), type);
}
UCVarValue FStringCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_String;
ret.String = mValue.GetChars();
return ret;
}
UCVarValue FStringCVar::GetGenericRepDefault (ECVarType type) const
{
return FromString (mDefaultValue.GetChars(), type);
}
UCVarValue FStringCVar::GetFavoriteRepDefault (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_String;
ret.String = mDefaultValue.GetChars();
return ret;
}
void FStringCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
mDefaultValue = ToString(value, type);
if (Flags & CVAR_ISDEFAULT)
{
SetGenericRep (value, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FStringCVar::DoSet (UCVarValue value, ECVarType type)
{
mValue = ToString (value, type);
}
//
// Color cvar implementation
//
FColorCVar::FColorCVar (const char *name, int def, uint32_t flags, void (*callback)(FColorCVar &), const char* descr)
: FIntCVar (name, def, flags, reinterpret_cast<void (*)(FIntCVar &)>(callback), descr)
{
}
ECVarType FColorCVar::GetRealType () const
{
return CVAR_Color;
}
UCVarValue FColorCVar::GetGenericRep (ECVarType type) const
{
return FromInt2 (Value, type);
}
UCVarValue FColorCVar::GetGenericRepDefault (ECVarType type) const
{
return FromInt2 (DefaultValue, type);
}
void FColorCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
DefaultValue = ToInt2 (value, type);
if (Flags & CVAR_ISDEFAULT)
{
SetGenericRep (value, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FColorCVar::DoSet (UCVarValue value, ECVarType type)
{
Value = ToInt2 (value, type);
}
UCVarValue FColorCVar::FromInt2 (int value, ECVarType type)
{
if (type == CVAR_String)
{
UCVarValue ret;
mysnprintf (cstrbuf, countof(cstrbuf), "%02x %02x %02x",
RPART(value), GPART(value), BPART(value));
ret.String = cstrbuf;
return ret;
}
return FromInt (value, type);
}
int FColorCVar::ToInt2 (UCVarValue value, ECVarType type)
{
int ret;
if (type == CVAR_String)
{
FString string = V_GetColorStringByName(value.String);
// Only allow named colors after the screen exists (i.e. after
// we've got some lumps loaded, so X11R6RGB can be read). Since
// the only time this might be called before that is when loading
// zdoom.ini, this shouldn't be a problem.
if (string.IsNotEmpty())
{
ret = V_GetColorFromString (string.GetChars());
}
else
{
ret = V_GetColorFromString (value.String);
}
}
else
{
ret = ToInt (value, type);
}
return ret;
}
//
// More base cvar stuff
//
void FBaseCVar::ResetColors ()
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto var = pair->Value;
if (var->GetRealType () == CVAR_Color)
{
var->DoSet (var->GetGenericRep (CVAR_Int), CVAR_Int);
}
}
}
void FBaseCVar::ResetToDefault ()
{
if (!(Flags & CVAR_ISDEFAULT))
{
UCVarValue val;
ECVarType type;
val = GetFavoriteRepDefault (&type);
SetGenericRep (val, type);
Flags |= CVAR_ISDEFAULT;
}
}
void FBaseCVar::MarkUnsafe()
{
if (!(Flags & CVAR_MOD) && UnsafeExecutionContext)
{
Flags |= CVAR_UNSAFECONTEXT;
}
}
//
// Flag cvar implementation
//
// This type of cvar is not a "real" cvar. Instead, it gets and sets
// the value of a FIntCVar, modifying it bit-by-bit. As such, it has
// no default, and is not written to the .cfg or transferred around
// the network. The "host" cvar is responsible for that.
//
FFlagCVar::FFlagCVar (const char *name, FIntCVar &realvar, uint32_t bitval, const char* descr)
: FBaseCVar (name, 0, NULL, descr),
ValueVar (realvar),
BitVal (bitval)
{
int bit;
Flags &= ~CVAR_ISDEFAULT;
assert (bitval != 0);
bit = 0;
while ((bitval >>= 1) != 0)
{
++bit;
}
BitNum = bit;
assert ((1u << BitNum) == BitVal);
}
ECVarType FFlagCVar::GetRealType () const
{
return CVAR_Flag;
}
UCVarValue FFlagCVar::GetGenericRep (ECVarType type) const
{
return FromBool ((ValueVar & BitVal) != 0, type);
}
UCVarValue FFlagCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Bool;
ret.Bool = (ValueVar & BitVal) != 0;
return ret;
}
UCVarValue FFlagCVar::GetGenericRepDefault (ECVarType type) const
{
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
return FromBool ((def.Int & BitVal) != 0, type);
}
UCVarValue FFlagCVar::GetFavoriteRepDefault (ECVarType *type) const
{
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
def.Bool = (def.Int & BitVal) != 0;
*type = CVAR_Bool;
return def;
}
void FFlagCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
bool newdef = ToBool (value, type);
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
if (newdef)
def.Int |= BitVal;
else
def.Int &= ~BitVal;
ValueVar.SetGenericRepDefault (def, CVAR_Int);
}
void FFlagCVar::DoSet (UCVarValue value, ECVarType type)
{
bool newval = ToBool (value, type);
// Server cvars that get changed by this need to use a special message, because
// changes are not processed until the next net update. This is a problem with
// exec scripts because all flags will base their changes off of the value of
// the "master" cvar at the time the script was run, overriding any changes
// another flag might have made to the same cvar earlier in the script.
if (ValueVar.GetFlags() && callbacks && callbacks->SendServerFlagChange)
{
if (callbacks->SendServerFlagChange(&ValueVar, BitNum, newval, false)) return;
}
int val = *ValueVar;
if (newval)
val |= BitVal;
else
val &= ~BitVal;
ValueVar = val;
}
//
// Mask cvar implementation
//
// Similar to FFlagCVar but can have multiple bits
//
FMaskCVar::FMaskCVar (const char *name, FIntCVar &realvar, uint32_t bitval, const char* descr)
: FBaseCVar (name, 0, NULL, descr),
ValueVar (realvar),
BitVal (bitval)
{
int bit;
Flags &= ~CVAR_ISDEFAULT;
assert (bitval != 0);
bit = 0;
while ((bitval & 1) == 0)
{
++bit;
bitval >>= 1;
}
BitNum = bit;
}
ECVarType FMaskCVar::GetRealType () const
{
return CVAR_Mask;
}
UCVarValue FMaskCVar::GetGenericRep (ECVarType type) const
{
return FromInt ((ValueVar & BitVal) >> BitNum, type);
}
UCVarValue FMaskCVar::GetFavoriteRep (ECVarType *type) const
{
UCVarValue ret;
*type = CVAR_Int;
ret.Int = (ValueVar & BitVal) >> BitNum;
return ret;
}
UCVarValue FMaskCVar::GetGenericRepDefault (ECVarType type) const
{
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
return FromInt ((def.Int & BitVal) >> BitNum, type);
}
UCVarValue FMaskCVar::GetFavoriteRepDefault (ECVarType *type) const
{
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
def.Int = (def.Int & BitVal) >> BitNum;
*type = CVAR_Int;
return def;
}
void FMaskCVar::SetGenericRepDefault (UCVarValue value, ECVarType type)
{
int val = ToInt(value, type) << BitNum;
ECVarType dummy;
UCVarValue def;
def = ValueVar.GetFavoriteRepDefault (&dummy);
def.Int &= ~BitVal;
def.Int |= val;
ValueVar.SetGenericRepDefault (def, CVAR_Int);
}
void FMaskCVar::DoSet (UCVarValue value, ECVarType type)
{
int val = ToInt(value, type) << BitNum;
// Server cvars that get changed by this need to use a special message, because
// changes are not processed until the next net update. This is a problem with
// exec scripts because all flags will base their changes off of the value of
// the "master" cvar at the time the script was run, overriding any changes
// another flag might have made to the same cvar earlier in the script.
if (ValueVar.GetFlags() && callbacks && callbacks->SendServerFlagChange)
{
// The network interface needs to process each bit separately.
bool silent = false;
for(int i = 0; i < 32; i++)
{
if (BitVal & (1<<i))
{
if (!callbacks->SendServerFlagChange(&ValueVar, i, !!(val & (1 << i)), silent)) goto fallback; // the failure case here is either always or never.
silent = true; // only warn once if SendServerFlagChange needs to.
}
}
}
else
{
fallback:
int vval = *ValueVar;
vval &= ~BitVal;
vval |= val;
ValueVar = vval;
}
}
////////////////////////////////////////////////////////////////////////
static int sortcvars (const void *a, const void *b)
{
return strcmp (((*(FBaseCVar **)a))->GetName(), ((*(FBaseCVar **)b))->GetName());
}
void FilterCompactCVars (TArray<FBaseCVar *> &cvars, uint32_t filter)
{
// Accumulate all cvars that match the filter flags.
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if ((cvar->Flags & filter) && !(cvar->Flags & CVAR_IGNORE))
cvars.Push(cvar);
}
// Now sort them, so they're in a deterministic order and not whatever
// order the linker put them in.
if (cvars.Size() > 0)
{
qsort(&cvars[0], cvars.Size(), sizeof(FBaseCVar *), sortcvars);
}
}
void C_WriteCVars (uint8_t **demo_p, uint32_t filter, bool compact)
{
FString dump = C_GetMassCVarString(filter, compact);
size_t dumplen = dump.Len() + 1; // include terminating \0
memcpy(*demo_p, dump.GetChars(), dumplen);
*demo_p += dumplen;
}
FString C_GetMassCVarString (uint32_t filter, bool compact)
{
FBaseCVar* cvar;
FString dump;
if (compact)
{
TArray<FBaseCVar *> cvars;
dump.AppendFormat("\\\\%ux", filter);
FilterCompactCVars(cvars, filter);
while (cvars.Pop (cvar))
{
UCVarValue val = cvar->GetGenericRep(CVAR_String);
dump << '\\' << val.String;
}
}
else
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
cvar = pair->Value;
if ((cvar->Flags & filter) && !(cvar->Flags & (CVAR_NOSAVE|CVAR_IGNORE)))
{
UCVarValue val = cvar->GetGenericRep(CVAR_String);
dump << '\\' << cvar->GetName() << '\\' << val.String;
}
}
}
return dump;
}
void C_ReadCVars (uint8_t **demo_p)
{
char *ptr = *((char **)demo_p);
char *breakpt;
if (*ptr++ != '\\')
return;
if (*ptr == '\\')
{ // compact mode
TArray<FBaseCVar *> cvars;
FBaseCVar *cvar;
uint32_t filter;
ptr++;
breakpt = strchr (ptr, '\\');
*breakpt = 0;
filter = strtoul (ptr, NULL, 16);
*breakpt = '\\';
ptr = breakpt + 1;
FilterCompactCVars (cvars, filter);
while (cvars.Pop (cvar))
{
UCVarValue val;
breakpt = strchr (ptr, '\\');
if (breakpt)
*breakpt = 0;
val.String = ptr;
cvar->ForceSet (val, CVAR_String);
if (breakpt)
{
*breakpt = '\\';
ptr = breakpt + 1;
}
else
break;
}
}
else
{
char *value;
while ( (breakpt = strchr (ptr, '\\')) )
{
*breakpt = 0;
value = breakpt + 1;
if ( (breakpt = strchr (value, '\\')) )
*breakpt = 0;
cvar_set (ptr, value);
*(value - 1) = '\\';
if (breakpt)
{
*breakpt = '\\';
ptr = breakpt + 1;
}
else
{
break;
}
}
}
*demo_p += strlen (*((char **)demo_p)) + 1;
}
struct FCVarBackup
{
FString Name, String;
};
static TArray<FCVarBackup> CVarBackups;
void C_BackupCVars (void)
{
assert(CVarBackups.Size() == 0);
CVarBackups.Clear();
FCVarBackup backup;
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if ((cvar->Flags & (CVAR_SERVERINFO|CVAR_DEMOSAVE)) && !(cvar->Flags & CVAR_LATCH))
{
backup.Name = cvar->GetName();
backup.String = cvar->GetGenericRep(CVAR_String).String;
CVarBackups.Push(backup);
}
}
}
void C_RestoreCVars (void)
{
for (unsigned int i = 0; i < CVarBackups.Size(); ++i)
{
cvar_set(CVarBackups[i].Name.GetChars(), CVarBackups[i].String.GetChars());
}
C_ForgetCVars();
}
void C_ForgetCVars (void)
{
CVarBackups.Clear();
}
FBaseCVar *FindCVar (const char *var_name, FBaseCVar **prev)
{
if (var_name == nullptr)
return nullptr;
FName vname(var_name, true);
if (vname == NAME_None) return nullptr;
auto find = cvarMap.CheckKey(vname);
return find? *find : nullptr;
}
FBaseCVar *FindCVarSub (const char *var_name, int namelen)
{
if (var_name == NULL)
return NULL;
FName vname(var_name, namelen, true);
if (vname == NAME_None) return nullptr;
auto find = cvarMap.CheckKey(vname);
return find ? *find : nullptr;
}
FBaseCVar *GetCVar(int playernum, const char *cvarname)
{
FBaseCVar *cvar = FindCVar(cvarname, nullptr);
// Either the cvar doesn't exist, or it's for a mod that isn't loaded, so return nullptr.
if (cvar == nullptr || (cvar->GetFlags() & CVAR_IGNORE))
{
return nullptr;
}
else
{
// For userinfo cvars, redirect to GetUserCVar
if ((cvar->GetFlags() & CVAR_USERINFO) && callbacks && callbacks->GetUserCVar)
{
return callbacks->GetUserCVar(playernum, cvarname);
}
return cvar;
}
}
//===========================================================================
//
// C_CreateCVar
//
// Create a new cvar with the specified name and type. It should not already
// exist.
//
//===========================================================================
FBaseCVar *C_CreateCVar(const char *var_name, ECVarType var_type, uint32_t flags)
{
assert(FindCVar(var_name, NULL) == NULL);
flags |= CVAR_AUTO;
switch (var_type)
{
case CVAR_Bool: return new FBoolCVar(var_name, 0, flags);
case CVAR_Int: return new FIntCVar(var_name, 0, flags);
case CVAR_Float: return new FFloatCVar(var_name, 0, flags);
case CVAR_String: return new FStringCVar(var_name, NULL, flags);
case CVAR_Color: return new FColorCVar(var_name, 0, flags);
default: return NULL;
}
}
FBaseCVar * C_CreateZSCustomCVar(const char *var_name, ECVarType var_type, uint32_t flags, FName className)
{
assert(FindCVar(var_name, NULL) == NULL);
flags |= CVAR_AUTO | CVAR_ZS_CUSTOM;
switch (var_type)
{
case CVAR_Bool: return new FZSBoolCVar(var_name, 0, flags, className);
case CVAR_Int: return new FZSIntCVar(var_name, 0, flags, className);
case CVAR_Float: return new FZSFloatCVar(var_name, 0, flags, className);
case CVAR_String: return new FZSStringCVar(var_name, NULL, flags, className);
case CVAR_Color: return new FZSColorCVar(var_name, 0, flags, className);
default: return NULL;
}
}
void UnlatchCVars (void)
{
for (const FLatchedValue& var : LatchedValues)
{
uint32_t oldflags = var.Variable->Flags;
var.Variable->Flags &= ~(CVAR_LATCH | CVAR_SERVERINFO);
if (var.UnsafeContext)
var.Variable->Flags |= CVAR_UNSAFECONTEXT;
var.Variable->SetGenericRep (var.Value, var.Type);
if (var.Type == CVAR_String)
delete[] var.Value.String;
var.Variable->Flags = oldflags;
}
LatchedValues.Clear();
}
void DestroyCVarsFlagged (uint32_t flags)
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if(cvar->Flags & flags)
delete cvar;
}
}
void C_SetCVarsToDefaults (void)
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
// Only default save-able cvars
if (cvar->Flags & CVAR_ARCHIVE)
{
UCVarValue val;
ECVarType type;
val = cvar->GetFavoriteRepDefault (&type);
cvar->SetGenericRep (val, type);
}
}
}
static int cvarcmp(const void* a, const void* b)
{
FBaseCVar** A = (FBaseCVar**)a;
FBaseCVar** B = (FBaseCVar**)b;
return strcmp((*A)->GetName(), (*B)->GetName());
}
void C_ArchiveCVars (FConfigFile *f, uint32_t filter)
{
TArray<FBaseCVar*> cvarlist;
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto cvar = pair->Value;
if ((cvar->Flags &
(CVAR_GLOBALCONFIG|CVAR_ARCHIVE|CVAR_MOD|CVAR_AUTO|CVAR_USERINFO|CVAR_SERVERINFO|CVAR_NOSAVE|CVAR_CONFIG_ONLY))
== filter)
{
cvarlist.Push(cvar);
}
}
qsort(cvarlist.Data(), cvarlist.Size(), sizeof(FBaseCVar*), cvarcmp);
for (auto cv : cvarlist)
{
const char* const value = (cv->Flags & CVAR_ISDEFAULT)
? cv->GetGenericRep(CVAR_String).String
: cv->SafeValue.GetChars();
f->SetValueForKey(cv->GetName(), value);
}
}
EXTERN_CVAR(Bool, sv_cheats);
void FBaseCVar::CmdSet (const char *newval)
{
if ((GetFlags() & CVAR_CHEAT) && sysCallbacks.CheckCheatmode && sysCallbacks.CheckCheatmode(true, false))
return;
MarkUnsafe();
UCVarValue val;
// Casting away the const is safe in this case.
val.String = const_cast<char *>(newval);
SetGenericRep (val, CVAR_String);
if (GetFlags() & CVAR_NOSET)
Printf ("%s is write protected.\n", GetName());
else if (GetFlags() & CVAR_LATCH)
Printf ("%s will be changed for next game.\n", GetName());
}
CCMD (set)
{
if (argv.argc() != 3)
{
Printf ("usage: set <variable> <value>\n");
}
else
{
FBaseCVar *var;
var = FindCVar (argv[1], NULL);
if (var == NULL)
var = new FStringCVar (argv[1], NULL, CVAR_AUTO | CVAR_UNSETTABLE | cvar_defflags);
var->CmdSet (argv[2]);
}
}
CCMD (unset)
{
if (argv.argc() != 2)
{
Printf ("usage: unset <variable>\n");
}
else
{
FBaseCVar *var = FindCVar (argv[1], NULL);
if (var != NULL)
{
if (var->GetFlags() & CVAR_UNSETTABLE)
{
delete var;
}
else
{
Printf ("Cannot unset %s\n", argv[1]);
}
}
}
}
CCMD (resetcvar)
{
if (argv.argc() != 2)
{
Printf ("usage: resetcvar <variable>\n");
}
else
{
FBaseCVar *var = FindCVar (argv[1], NULL);
if (var != NULL)
{
var->ResetToDefault();
}
else
{
Printf ("No such variable: %s\n", argv[1]);
}
}
}
CCMD (get)
{
FBaseCVar *var, *prev;
if (argv.argc() >= 2)
{
if ( (var = FindCVar (argv[1], &prev)) )
{
UCVarValue val;
val = var->GetGenericRep (CVAR_String);
Printf ("\"%s\" is \"%s\"\n", var->GetName(), val.String);
}
else
{
Printf ("\"%s\" is unset\n", argv[1]);
}
}
else
{
Printf ("get: need variable name\n");
}
}
CCMD (toggle)
{
FBaseCVar *var, *prev;
UCVarValue val;
if (argv.argc() > 1)
{
if ( (var = FindCVar (argv[1], &prev)) )
{
var->MarkUnsafe();
val = var->GetGenericRep (CVAR_Bool);
val.Bool = !val.Bool;
var->SetGenericRep (val, CVAR_Bool);
auto msg = var->GetToggleMessage(val.Bool);
if (msg.IsNotEmpty())
{
Printf(PRINT_NOTIFY, "%s\n", msg.GetChars());
}
else Printf ("\"%s\" = \"%s\"\n", var->GetName(),
val.Bool ? "true" : "false");
}
}
}
void FBaseCVar::ListVars (const char *filter, bool plain)
{
int count = 0;
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto var = pair->Value;
if (CheckWildcards (filter, var->GetName()))
{
uint32_t flags = var->GetFlags();
if (plain)
{ // plain formatting does not include user-defined cvars
if (!(flags & CVAR_UNSETTABLE))
{
++count;
Printf ("%s : %s\n", var->GetName(), var->GetHumanString());
}
}
else
{
++count;
Printf ("%c%c%c%c%c %s = %s\n",
flags & CVAR_ARCHIVE ? 'A' : ' ',
flags & CVAR_USERINFO ? 'U' :
flags & CVAR_SERVERINFO ? 'S' :
flags & CVAR_AUTO ? 'C' : ' ',
flags & CVAR_NOSET ? '-' :
flags & CVAR_LATCH ? 'L' :
flags & CVAR_UNSETTABLE ? '*' : ' ',
flags & CVAR_MOD ? 'M' : ' ',
flags & CVAR_IGNORE ? 'X' : ' ',
var->GetName(),
var->GetHumanString());
}
}
}
Printf ("%d cvars\n", count);
}
CCMD (cvarlist)
{
if (argv.argc() == 1)
{
FBaseCVar::ListVars (NULL, false);
}
else
{
FBaseCVar::ListVars (argv[1], false);
}
}
CCMD (cvarlistplain)
{
FBaseCVar::ListVars (NULL, true);
}
CCMD (archivecvar)
{
if (argv.argc() == 1)
{
Printf ("Usage: archivecvar <cvar>\n");
}
else
{
FBaseCVar *var = FindCVar (argv[1], NULL);
if (var != NULL && (var->GetFlags() & CVAR_AUTO))
{
var->SetArchiveBit ();
}
}
}
void C_ListCVarsWithoutDescription()
{
decltype(cvarMap)::Iterator it(cvarMap);
decltype(cvarMap)::Pair *pair;
while (it.NextPair(pair))
{
auto var = pair->Value;
if (var->GetDescription().IsEmpty())
{
Printf("%s\n", var->GetName());
}
}
}
CCMD(listcvarswithoutdescription)
{
C_ListCVarsWithoutDescription();
}
//===========================================================================
//
// FZSIntCVar
//
//===========================================================================
FZSIntCVar::FZSIntCVar(const char *name, int def, uint32_t flags, FName _className, const char* descr)
: FIntCVar(name,def,flags,nullptr,descr) , cvarName(name) , className(_className)
{ customCVarHandler = nullptr; }
void FZSIntCVar::CallCVarCallback(FZSIntCVar &self)
{
if (!self.customCVarHandler) {
I_Error("Handler for CustomIntCVar '%s' of class '%s' was Destroyed", self.cvarName.GetChars(), self.className.GetChars());
}
IFVIRTUALPTRNAME(self.customCVarHandler, "CustomIntCVar", ModifyValue)
{
VMValue param[] = { self.customCVarHandler.Get() , self.cvarName.GetIndex() , self.Value };
VMReturn ret(&self.Value);
VMCall(func, param, 3, &ret, 1);
}
}
void FZSIntCVar::InstantiateZSCVar()
{
static PClass * baseClass = PClass::FindClass("CustomIntCVar");
assert(baseClass);
PClass * classPtr = PClass::FindClass(className);
if (!classPtr || !classPtr->IsDescendantOf(baseClass))
{
I_Error("Instantiating CVar '%s': Class '%s' %s",cvarName.GetChars(), className.GetChars(), (classPtr ? "is not a descendant of CustomIntCVar" : "does not exist"));
}
customCVarHandler = classPtr->CreateNew();
SetCallback(reinterpret_cast<void (*)(FBaseCVar &)>(CallCVarCallback));
}
void FZSIntCVar::MarkZSCVar()
{
GC::Mark(customCVarHandler);
}
UCVarValue FZSIntCVar::GenericZSCVarCallback(UCVarValue value, ECVarType type) {
int val = ToInt(value, type);
IFVIRTUALPTRNAME(customCVarHandler, "CustomIntCVar", ModifyValue)
{
VMValue param[] = { customCVarHandler.Get() , cvarName.GetIndex() , val };
VMReturn ret(&val);
VMCall(func, param, 3, &ret, 1);
}
UCVarValue v;
v.Int = val;
return v;
}
//===========================================================================
//
// FZSFloatCVar
//
//===========================================================================
FZSFloatCVar::FZSFloatCVar(const char *name, float def, uint32_t flags, FName _className, const char* descr)
: FFloatCVar(name,def,flags,nullptr,descr) , cvarName(name) , className(_className)
{ customCVarHandler = nullptr; }
void FZSFloatCVar::CallCVarCallback(FZSFloatCVar &self)
{
if (!self.customCVarHandler) {
I_Error("Handler for CustomFloatCVar '%s' of class '%s' was Destroyed", self.cvarName.GetChars(), self.className.GetChars());
}
IFVIRTUALPTRNAME(self.customCVarHandler, "CustomFloatCVar", ModifyValue)
{
VMValue param[] = { self.customCVarHandler.Get() , self.cvarName.GetIndex() , (double) self.Value };
double v;
VMReturn ret(&v);
VMCall(func, param, 3, &ret, 1);
self.Value = (float) v;
}
}
void FZSFloatCVar::InstantiateZSCVar()
{
static PClass * baseClass = PClass::FindClass("CustomFloatCVar");
assert(baseClass);
PClass * classPtr = PClass::FindClass(className);
if (!classPtr || !classPtr->IsDescendantOf(baseClass))
{
I_Error("Instantiating CVar '%s': Class '%s' %s", cvarName.GetChars(), className.GetChars(), (classPtr ? "is not a descendant of CustomFloatCVar" : "does not exist"));
}
customCVarHandler = classPtr->CreateNew();
SetCallback(reinterpret_cast<void (*)(FBaseCVar &)>(CallCVarCallback));
}
void FZSFloatCVar::MarkZSCVar()
{
GC::Mark(customCVarHandler);
}
UCVarValue FZSFloatCVar::GenericZSCVarCallback(UCVarValue value, ECVarType type) {
float val = ToFloat(value, type);
IFVIRTUALPTRNAME(customCVarHandler, "CustomFloatCVar", ModifyValue)
{
VMValue param[] = { customCVarHandler.Get() , cvarName.GetIndex() , (double) val };
double v;
VMReturn ret(&v);
VMCall(func, param, 3, &ret, 1);
val = (float) v;
}
UCVarValue v;
v.Float = val;
return v;
}
//===========================================================================
//
// FZSStringCVar
//
//===========================================================================
FZSStringCVar::FZSStringCVar(const char *name, const char * def, uint32_t flags, FName _className, const char* descr)
: FStringCVar(name,def,flags,nullptr,descr) , cvarName(name) , className(_className)
{ customCVarHandler = nullptr; }
void FZSStringCVar::CallCVarCallback(FZSStringCVar &self)
{
if (!self.customCVarHandler) {
I_Error("Handler for CustomStringCVar '%s' of class '%s' was Destroyed", self.cvarName.GetChars(), self.className.GetChars());
}
IFVIRTUALPTRNAME(self.customCVarHandler, "CustomStringCVar", ModifyValue)
{
VMValue param[] = { self.customCVarHandler.Get() , self.cvarName.GetIndex() , &self.mValue };
VMReturn ret(&self.mValue);
VMCall(func, param, 3, &ret, 1);
}
}
void FZSStringCVar::InstantiateZSCVar()
{
static PClass * baseClass = PClass::FindClass("CustomStringCVar");
assert(baseClass);
PClass * classPtr = PClass::FindClass(className);
if (!classPtr || !classPtr->IsDescendantOf(baseClass))
{
I_Error("Instantiating CVar '%s': Class '%s' %s", cvarName.GetChars(), className.GetChars(), (classPtr ? "is not a descendant of CustomStringCVar" : "does not exist"));
}
customCVarHandler = classPtr->CreateNew();
SetCallback(reinterpret_cast<void (*)(FBaseCVar &)>(CallCVarCallback));
}
void FZSStringCVar::MarkZSCVar()
{
GC::Mark(customCVarHandler);
}
UCVarValue FZSStringCVar::GenericZSCVarCallback(UCVarValue value, ECVarType type) {
FString val = ToString(value, type);
IFVIRTUALPTRNAME(customCVarHandler, "CustomStringCVar", ModifyValue)
{
VMValue param[] = { customCVarHandler.Get() , cvarName.GetIndex() , &val };
VMReturn ret(&val);
VMCall(func, param, 3, &ret, 1);
}
char * str = new char[val.Len() + 1];
memcpy(str, val.GetChars(), val.Len() * sizeof(char));
str[val.Len()] = '\0';
UCVarValue v;
v.String = str;
return v;
}
//===========================================================================
//
// FZSBoolCVar
//
//===========================================================================
FZSBoolCVar::FZSBoolCVar(const char *name, bool def, uint32_t flags, FName _className, const char* descr)
: FBoolCVar(name,def,flags,nullptr,descr) , cvarName(name) , className(_className)
{ customCVarHandler = nullptr; }
void FZSBoolCVar::CallCVarCallback(FZSBoolCVar &self)
{
if (!self.customCVarHandler) {
I_Error("Handler for CustomBoolCVar '%s' of class '%s' was Destroyed", self.cvarName.GetChars(), self.className.GetChars());
}
IFVIRTUALPTRNAME(self.customCVarHandler, "CustomBoolCVar", ModifyValue)
{
VMValue param[] = { self.customCVarHandler.Get() , self.cvarName.GetIndex() , self.Value };
int v;
VMReturn ret(&v);
VMCall(func, param, 3, &ret, 1);
self.Value = v;
}
}
void FZSBoolCVar::InstantiateZSCVar()
{
static PClass * baseClass = PClass::FindClass("CustomBoolCVar");
assert(baseClass);
PClass * classPtr = PClass::FindClass(className);
if (!classPtr || !classPtr->IsDescendantOf(baseClass))
{
I_Error("Instantiating CVar '%s': Class '%s' %s", cvarName.GetChars(), className.GetChars(), (classPtr ? "is not a descendant of CustomBoolCVar" : "does not exist"));
}
customCVarHandler = classPtr->CreateNew();
SetCallback(reinterpret_cast<void (*)(FBaseCVar &)>(CallCVarCallback));
}
void FZSBoolCVar::MarkZSCVar()
{
GC::Mark(customCVarHandler);
}
UCVarValue FZSBoolCVar::GenericZSCVarCallback(UCVarValue value, ECVarType type) {
bool val = ToFloat(value, type);
IFVIRTUALPTRNAME(customCVarHandler, "CustomBoolCVar", ModifyValue)
{
VMValue param[] = { customCVarHandler.Get() , cvarName.GetIndex() , val };
int v;
VMReturn ret(&v);
VMCall(func, param, 3, &ret, 1);
val = v;
}
UCVarValue v;
v.Bool = val;
return v;
}
//===========================================================================
//
// FZSColorCVar
//
//===========================================================================
FZSColorCVar::FZSColorCVar(const char *name, int def, uint32_t flags, FName _className, const char* descr)
: FColorCVar(name,def,flags,nullptr,descr) , cvarName(name) , className(_className)
{ customCVarHandler = nullptr; }
void FZSColorCVar::CallCVarCallback(FZSColorCVar &self)
{
if (!self.customCVarHandler) {
I_Error("Handler for CustomColorCVar '%s' of class '%s' was Destroyed", self.cvarName.GetChars(), self.className.GetChars());
}
IFVIRTUALPTRNAME(self.customCVarHandler, "CustomColorCVar", ModifyValue)
{
VMValue param[] = { self.customCVarHandler.Get() , self.cvarName.GetIndex() , self.Value };
VMReturn ret(&self.Value);
VMCall(func, param, 3, &ret, 1);
}
}
void FZSColorCVar::InstantiateZSCVar()
{
static PClass * baseClass = PClass::FindClass("CustomColorCVar");
assert(baseClass);
PClass * classPtr = PClass::FindClass(className);
if (!classPtr || !classPtr->IsDescendantOf(baseClass))
{
I_Error("Instantiating CVar '%s': Class '%s' %s", cvarName.GetChars(), className.GetChars(), (classPtr ? "is not a descendant of CustomColorCVar" : "does not exist"));
}
customCVarHandler = classPtr->CreateNew();
SetCallback(reinterpret_cast<void (*)(FBaseCVar &)>(CallCVarCallback));
}
void FZSColorCVar::MarkZSCVar()
{
GC::Mark(customCVarHandler);
}
UCVarValue FZSColorCVar::GenericZSCVarCallback(UCVarValue value, ECVarType type) {
int val = ToInt(value, type);
IFVIRTUALPTRNAME(customCVarHandler, "CustomColorCVar", ModifyValue)
{
VMValue param[] = { customCVarHandler.Get() , cvarName.GetIndex() , val };
VMReturn ret(&val);
VMCall(func, param, 3, &ret, 1);
}
UCVarValue v;
v.Int = val;
return v;
}
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