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raze/source/common/menu/menudef.cpp
Christoph Oelckers cc7290e313 - work on menu transitions.
2020-10-08 01:00:23 +02:00

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/*
** menudef.cpp
** MENUDEF parser amd menu generation code
**
**---------------------------------------------------------------------------
** Copyright 2010 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 <float.h>
#include "menu.h"
#include "filesystem.h"
#include "c_bind.h"
#include "i_music.h"
#include "i_sound.h"
#include "cmdlib.h"
#include "vm.h"
#include "types.h"
#include "m_argv.h"
#include "i_soundfont.h"
#include "i_system.h"
#include "v_video.h"
#include "gstrings.h"
#include <zmusic.h>
#include "texturemanager.h"
#include "printf.h"
#include "i_interface.h"
bool CheckSkipGameOptionBlock(FScanner& sc);
MenuDescriptorList MenuDescriptors;
static DListMenuDescriptor *DefaultListMenuSettings; // contains common settings for all list menus
static DOptionMenuDescriptor *DefaultOptionMenuSettings; // contains common settings for all Option menus
FOptionMenuSettings OptionSettings;
FOptionMap OptionValues;
bool mustPrintErrors;
PClass *DefaultListMenuClass;
PClass *DefaultOptionMenuClass;
void I_BuildALDeviceList(FOptionValues *opt);
void I_BuildALResamplersList(FOptionValues *opt);
DEFINE_GLOBAL_NAMED(OptionSettings, OptionMenuSettings)
DEFINE_ACTION_FUNCTION(FOptionValues, GetCount)
{
PARAM_PROLOGUE;
PARAM_NAME(grp);
int cnt = 0;
FOptionValues **pGrp = OptionValues.CheckKey(grp);
if (pGrp != nullptr)
{
cnt = (*pGrp)->mValues.Size();
}
ACTION_RETURN_INT(cnt);
}
DEFINE_ACTION_FUNCTION(FOptionValues, GetValue)
{
PARAM_PROLOGUE;
PARAM_NAME(grp);
PARAM_UINT(index);
double val = 0;
FOptionValues **pGrp = OptionValues.CheckKey(grp);
if (pGrp != nullptr)
{
if (index < (*pGrp)->mValues.Size())
{
val = (*pGrp)->mValues[index].Value;
}
}
ACTION_RETURN_FLOAT(val);
}
DEFINE_ACTION_FUNCTION(FOptionValues, GetTextValue)
{
PARAM_PROLOGUE;
PARAM_NAME(grp);
PARAM_UINT(index);
FString val;
FOptionValues **pGrp = OptionValues.CheckKey(grp);
if (pGrp != nullptr)
{
if (index < (*pGrp)->mValues.Size())
{
val = (*pGrp)->mValues[index].TextValue;
}
}
ACTION_RETURN_STRING(val);
}
DEFINE_ACTION_FUNCTION(FOptionValues, GetText)
{
PARAM_PROLOGUE;
PARAM_NAME(grp);
PARAM_UINT(index);
FString val;
FOptionValues **pGrp = OptionValues.CheckKey(grp);
if (pGrp != nullptr)
{
if (index < (*pGrp)->mValues.Size())
{
val = (*pGrp)->mValues[index].Text;
}
}
ACTION_RETURN_STRING(val);
}
void DeinitMenus()
{
M_ClearMenus();
{
FOptionMap::Iterator it(OptionValues);
FOptionMap::Pair *pair;
while (it.NextPair(pair))
{
delete pair->Value;
pair->Value = nullptr;
}
}
MenuDescriptors.Clear();
OptionValues.Clear();
if (menuDelegate)
{
menuDelegate->Destroy();
menuDelegate = nullptr;
}
}
FTextureID GetMenuTexture(const char* const name)
{
const FTextureID texture = TexMan.CheckForTexture(name, ETextureType::MiscPatch);
if (!texture.Exists() && mustPrintErrors)
{
Printf("Missing menu texture: \"%s\"\n", name);
}
return texture;
}
//=============================================================================
//
//
//
//=============================================================================
static void SkipSubBlock(FScanner &sc)
{
sc.MustGetStringName("{");
sc.SkipToEndOfBlock();
}
//=============================================================================
//
//
//
//=============================================================================
static bool CheckSkipGameBlock(FScanner &sc, bool yes = true)
{
bool filter = false;
sc.MustGetStringName("(");
do
{
sc.MustGetString();
if (sysCallbacks.CheckGame) filter |= sysCallbacks.CheckGame(sc.String);
}
while (sc.CheckString(","));
sc.MustGetStringName(")");
if (filter != yes)
{
SkipSubBlock(sc);
return !sc.CheckString("else");
}
return false;
}
//=============================================================================
//
//
//
//=============================================================================
static bool CheckSkipOptionBlock(FScanner &sc)
{
bool filter = false;
sc.MustGetStringName("(");
do
{
sc.MustGetString();
if (CheckSkipGameOptionBlock(sc)) filter = true;
else if (sc.Compare("Windows"))
{
#ifdef _WIN32
filter = true;
#endif
}
else if (sc.Compare("unix"))
{
#ifdef __unix__
filter = true;
#endif
}
else if (sc.Compare("Mac"))
{
#ifdef __APPLE__
filter = true;
#endif
}
else if (sc.Compare("OpenAL"))
{
filter |= IsOpenALPresent();
}
else if (sc.Compare("MMX"))
{
#ifdef HAVE_MMX
filter = true;
#endif
}
}
while (sc.CheckString(","));
sc.MustGetStringName(")");
if (!filter)
{
SkipSubBlock(sc);
return !sc.CheckString("else");
}
return false;
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseListMenuBody(FScanner &sc, DListMenuDescriptor *desc)
{
bool sizeset = false;
bool sizecompatible = true;
sc.MustGetStringName("{");
while (!sc.CheckString("}"))
{
sc.MustGetString();
if (sc.Compare("else"))
{
SkipSubBlock(sc);
}
else if (sc.Compare("ifgame"))
{
if (!CheckSkipGameBlock(sc))
{
// recursively parse sub-block
ParseListMenuBody(sc, desc);
}
}
else if (sc.Compare("ifnotgame"))
{
if (!CheckSkipGameBlock(sc, false))
{
// recursively parse sub-block
ParseListMenuBody(sc, desc);
}
}
else if (sc.Compare("ifoption"))
{
if (!CheckSkipOptionBlock(sc))
{
// recursively parse sub-block
ParseListMenuBody(sc, desc);
}
}
else if (sc.Compare("Class"))
{
sc.MustGetString();
PClass *cls = PClass::FindClass(sc.String);
if (cls == nullptr || !cls->IsDescendantOf("ListMenu"))
{
sc.ScriptError("Unknown menu class '%s'", sc.String);
}
desc->mClass = cls;
sizecompatible = false;
}
else if (sc.Compare("Selector"))
{
sc.MustGetString();
desc->mSelector = GetMenuTexture(sc.String);
sc.MustGetStringName(",");
sc.MustGetFloat();
desc->mSelectOfsX = sc.Float;
sc.MustGetStringName(",");
sc.MustGetFloat();
desc->mSelectOfsY = sc.Float;
}
else if (sc.Compare("Linespacing"))
{
sc.MustGetNumber();
desc->mLinespacing = sc.Number;
}
else if (sc.Compare("Position"))
{
sc.MustGetFloat();
desc->mXpos = sc.Float;
sc.MustGetStringName(",");
sc.MustGetFloat();
desc->mYpos = sc.Float;
}
else if (sc.Compare("Centermenu"))
{
desc->mCenter = true;
}
else if (sc.Compare("animatedtransition"))
{
desc->mAnimatedTransition = true;
}
else if (sc.Compare("MouseWindow"))
{
sc.MustGetNumber();
desc->mWLeft = sc.Number;
sc.MustGetStringName(",");
sc.MustGetNumber();
desc->mWRight = sc.Number;
}
else if (sc.Compare("Font"))
{
sc.MustGetString();
FFont *newfont = V_GetFont(sc.String);
if (newfont != nullptr) desc->mFont = newfont;
if (sc.CheckString(","))
{
sc.MustGetString();
desc->mFontColor2 = desc->mFontColor = V_FindFontColor((FName)sc.String);
if (sc.CheckString(","))
{
sc.MustGetString();
desc->mFontColor2 = V_FindFontColor((FName)sc.String);
}
}
else
{
desc->mFontColor = OptionSettings.mFontColor;
desc->mFontColor2 = OptionSettings.mFontColorValue;
}
}
else if (sc.Compare("NetgameMessage"))
{
sc.MustGetString();
desc->mNetgameMessage = sc.String;
}
else if (sc.Compare("size"))
{
if (sc.CheckNumber())
{
desc->mVirtWidth = sc.Number;
sc.MustGetStringName(",");
sc.MustGetNumber();
desc->mVirtHeight = sc.Number;
}
else
{
sc.MustGetString();
if (sc.Compare("clean"))
{
desc->mVirtWidth = -1;
}
else if (sc.Compare("optclean"))
{
desc->mVirtWidth = -2;
}
else
{
sc.ScriptError("Invalid value '%s' for 'size'", sc.String);
}
}
}
else
{
// all item classes from which we know that they support sized scaling.
// If anything else comes through here the option to swich scaling mode is disabled for this menu.
static const char* const compatibles[] = { "StaticPatch", "StaticText", "StaticTextCentered", "TextItem", "PatchItem", "PlayerDisplay", nullptr };
if (sc.MatchString(compatibles) < 0) sizecompatible = false;
bool success = false;
FStringf buildname("ListMenuItem%s", sc.String);
PClass *cls = PClass::FindClass(buildname);
if (cls != nullptr && cls->IsDescendantOf("ListMenuItem"))
{
auto func = dyn_cast<PFunction>(cls->FindSymbol("Init", true));
if (func != nullptr && !(func->Variants[0].Flags & (VARF_Protected | VARF_Private))) // skip internal classes which have a protected init method.
{
auto &args = func->Variants[0].Proto->ArgumentTypes;
TArray<VMValue> params;
int start = 1;
params.Push(0);
if (args.Size() > 1 && args[1] == NewPointer(PClass::FindClass("ListMenuDescriptor")))
{
params.Push(desc);
start = 2;
}
auto TypeCVar = NewPointer(NewStruct("CVar", nullptr, true));
// Note that this array may not be reallocated so its initial size must be the maximum possible elements.
TArray<FString> strings(args.Size());
for (unsigned i = start; i < args.Size(); i++)
{
sc.MustGetString();
if (args[i] == TypeString)
{
strings.Push(sc.String);
params.Push(&strings.Last());
}
else if (args[i] == TypeName)
{
params.Push(FName(sc.String).GetIndex());
}
else if (args[i] == TypeColor)
{
params.Push(V_GetColor(nullptr, sc));
}
else if (args[i] == TypeFont)
{
auto f = V_GetFont(sc.String);
if (f == nullptr)
{
sc.ScriptError("Unknown font %s", sc.String);
}
params.Push(f);
}
else if (args[i] == TypeTextureID)
{
auto f = TexMan.CheckForTexture(sc.String, ETextureType::MiscPatch);
if (!f.Exists())
{
sc.ScriptMessage("Unknown texture %s", sc.String);
}
params.Push(f.GetIndex());
}
else if (args[i]->isIntCompatible())
{
char *endp;
int v = (int)strtoll(sc.String, &endp, 0);
if (*endp != 0)
{
// special check for font color ranges.
v = V_FindFontColor(sc.String);
if (v == CR_UNTRANSLATED && !sc.Compare("untranslated"))
{
// todo: check other data types that may get used.
sc.ScriptError("Integer expected, got %s", sc.String);
}
}
if (args[i] == TypeBool) v = !!v;
params.Push(v);
}
else if (args[i]->isFloat())
{
char *endp;
double v = strtod(sc.String, &endp);
if (*endp != 0)
{
sc.ScriptError("Float expected, got %s", sc.String);
}
params.Push(v);
}
else if (args[i] == TypeCVar)
{
auto cv = FindCVar(sc.String, nullptr);
if (cv == nullptr && *sc.String)
{
sc.ScriptError("Unknown CVar %s", sc.String);
}
params.Push(cv);
}
else
{
sc.ScriptError("Invalid parameter type %s for menu item", args[i]->DescriptiveName());
}
if (sc.CheckString(","))
{
if (i == args.Size() - 1)
{
sc.ScriptError("Too many parameters for %s", cls->TypeName.GetChars());
}
}
else
{
if (i < args.Size() - 1 && !(func->Variants[0].ArgFlags[i + 1] & VARF_Optional))
{
sc.ScriptError("Insufficient parameters for %s", cls->TypeName.GetChars());
}
break;
}
}
DMenuItemBase *item = (DMenuItemBase*)cls->CreateNew();
params[0] = item;
VMCallWithDefaults(func->Variants[0].Implementation, params, nullptr, 0);
desc->mItems.Push((DMenuItemBase*)item);
if (cls->IsDescendantOf("ListMenuItemSelectable"))
{
desc->mYpos += desc->mLinespacing;
if (desc->mSelectedItem == -1) desc->mSelectedItem = desc->mItems.Size() - 1;
}
success = true;
}
}
if (!success)
{
sc.ScriptError("Unknown keyword '%s'", sc.String);
}
}
}
if (!sizeset && sizecompatible) // allow unclean scaling on this menu
{
desc->mVirtWidth = -2;
}
for (auto &p : desc->mItems)
{
GC::WriteBarrier(p);
}
}
//=============================================================================
//
//
//
//=============================================================================
static bool CheckCompatible(DMenuDescriptor *newd, DMenuDescriptor *oldd)
{
if (oldd->mClass == nullptr) return true;
return newd->mClass->IsDescendantOf(oldd->mClass);
}
static int GetGroup(DMenuItemBase *desc)
{
if (desc->IsKindOf(NAME_OptionMenuItemCommand)) return 2;
if (desc->IsKindOf(NAME_OptionMenuItemSubmenu)) return 1;
if (desc->IsKindOf(NAME_OptionMenuItemControlBase)) return 3;
if (desc->IsKindOf(NAME_OptionMenuItemOptionBase)) return 4;
if (desc->IsKindOf(NAME_OptionMenuSliderBase)) return 4;
if (desc->IsKindOf(NAME_OptionMenuFieldBase)) return 4;
if (desc->IsKindOf(NAME_OptionMenuItemColorPicker)) return 4;
if (desc->IsKindOf(NAME_OptionMenuItemStaticText)) return 5;
if (desc->IsKindOf(NAME_OptionMenuItemStaticTextSwitchable)) return 5;
return 0;
}
static bool FindMatchingItem(DMenuItemBase *desc)
{
int grp = GetGroup(desc);
if (grp == 0) return false; // no idea what this is.
if (grp == 5) return true; // static texts always match
FName name = desc->mAction;
if (grp == 1)
{
// Check for presence of menu
auto menu = MenuDescriptors.CheckKey(name);
if (menu == nullptr) return false;
}
else if (grp == 4)
{
static const FName CVarBlacklist[] = {
NAME_snd_waterlp, NAME_snd_output, NAME_snd_output_format, NAME_snd_speakermode, NAME_snd_resampler, NAME_AlwaysRun };
// Check for presence of CVAR and blacklist
auto cv = FindCVar(name.GetChars(), nullptr);
if (cv == nullptr) return true;
for (auto bname : CVarBlacklist)
{
if (name == bname) return true;
}
}
MenuDescriptorList::Iterator it(MenuDescriptors);
MenuDescriptorList::Pair *pair;
while (it.NextPair(pair))
{
for (auto it : pair->Value->mItems)
{
if (it->mAction == name && GetGroup(it) == grp) return true;
}
}
return false;
}
static bool ReplaceMenu(FScanner &sc, DMenuDescriptor *desc)
{
DMenuDescriptor **pOld = MenuDescriptors.CheckKey(desc->mMenuName);
if (pOld != nullptr && *pOld != nullptr)
{
if ((*pOld)->mProtected)
{
// If this tries to replace an option menu with an option menu, let's append all new entries to the old menu.
// Otherwise bail out because for list menus it's not that simple.
if (desc->IsKindOf(RUNTIME_CLASS(DListMenuDescriptor)) || (*pOld)->IsKindOf(RUNTIME_CLASS(DListMenuDescriptor)))
{
sc.ScriptMessage("Cannot replace protected menu %s.", desc->mMenuName.GetChars());
return true;
}
for (int i = desc->mItems.Size()-1; i >= 0; i--)
{
if (FindMatchingItem(desc->mItems[i]))
{
desc->mItems.Delete(i);
}
}
if (desc->mItems.Size() > 0)
{
auto sep = CreateOptionMenuItemStaticText(" ");
(*pOld)->mItems.Push(sep);
sep = CreateOptionMenuItemStaticText("---------------", 1);
(*pOld)->mItems.Push(sep);
for (auto it : desc->mItems)
{
(*pOld)->mItems.Push(it);
}
desc->mItems.Clear();
//sc.ScriptMessage("Merged %d items into %s", desc->mItems.Size(), desc->mMenuName.GetChars());
}
return true;
}
if (!CheckCompatible(desc, *pOld))
{
sc.ScriptMessage("Tried to replace menu '%s' with a menu of different type", desc->mMenuName.GetChars());
return true;
}
}
MenuDescriptors[desc->mMenuName] = desc;
GC::WriteBarrier(desc);
return false;
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseListMenu(FScanner &sc)
{
sc.MustGetString();
DListMenuDescriptor *desc = Create<DListMenuDescriptor>();
desc->Reset();
desc->mMenuName = sc.String;
desc->mSelectedItem = -1;
desc->mAutoselect = -1;
desc->mSelectOfsX = DefaultListMenuSettings->mSelectOfsX;
desc->mSelectOfsY = DefaultListMenuSettings->mSelectOfsY;
desc->mSelector = DefaultListMenuSettings->mSelector;
desc->mDisplayTop = DefaultListMenuSettings->mDisplayTop;
desc->mXpos = DefaultListMenuSettings->mXpos;
desc->mYpos = DefaultListMenuSettings->mYpos;
desc->mLinespacing = DefaultListMenuSettings->mLinespacing;
desc->mNetgameMessage = DefaultListMenuSettings->mNetgameMessage;
desc->mFont = DefaultListMenuSettings->mFont;
desc->mFontColor = DefaultListMenuSettings->mFontColor;
desc->mFontColor2 = DefaultListMenuSettings->mFontColor2;
desc->mClass = nullptr;
desc->mWLeft = 0;
desc->mWRight = 0;
desc->mCenter = false;
desc->mFromEngine = fileSystem.GetFileContainer(sc.LumpNum) == 0; // flags menu if the definition is from the IWAD.
ParseListMenuBody(sc, desc);
ReplaceMenu(sc, desc);
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseOptionValue(FScanner &sc)
{
FOptionValues *val = new FOptionValues;
sc.MustGetString();
FName optname = sc.String;
sc.MustGetStringName("{");
while (!sc.CheckString("}"))
{
FOptionValues::Pair &pair = val->mValues[val->mValues.Reserve(1)];
sc.MustGetFloat();
pair.Value = sc.Float;
sc.MustGetStringName(",");
sc.MustGetString();
pair.Text = strbin1(sc.String);
}
FOptionValues **pOld = OptionValues.CheckKey(optname);
if (pOld != nullptr && *pOld != nullptr)
{
delete *pOld;
}
OptionValues[optname] = val;
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseOptionString(FScanner &sc)
{
FOptionValues *val = new FOptionValues;
sc.MustGetString();
FName optname = sc.String;
sc.MustGetStringName("{");
while (!sc.CheckString("}"))
{
FOptionValues::Pair &pair = val->mValues[val->mValues.Reserve(1)];
sc.MustGetString();
pair.Value = DBL_MAX;
pair.TextValue = sc.String;
sc.MustGetStringName(",");
sc.MustGetString();
pair.Text = strbin1(sc.String);
}
FOptionValues **pOld = OptionValues.CheckKey(optname);
if (pOld != nullptr && *pOld != nullptr)
{
delete *pOld;
}
OptionValues[optname] = val;
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseOptionSettings(FScanner &sc)
{
sc.MustGetStringName("{");
while (!sc.CheckString("}"))
{
sc.MustGetString();
if (sc.Compare("else"))
{
SkipSubBlock(sc);
}
else if (sc.Compare("ifgame"))
{
if (!CheckSkipGameBlock(sc))
{
// recursively parse sub-block
ParseOptionSettings(sc);
}
}
else if (sc.Compare("ifnotgame"))
{
if (!CheckSkipGameBlock(sc, false))
{
// recursively parse sub-block
ParseOptionSettings(sc);
}
}
else if (sc.Compare("Linespacing"))
{
sc.MustGetNumber();
OptionSettings.mLinespacing = sc.Number;
}
else if (sc.Compare("LabelOffset"))
{
sc.MustGetNumber();
// ignored
}
else
{
sc.ScriptError("Unknown keyword '%s'", sc.String);
}
}
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseOptionMenuBody(FScanner &sc, DOptionMenuDescriptor *desc)
{
sc.MustGetStringName("{");
while (!sc.CheckString("}"))
{
sc.MustGetString();
if (sc.Compare("else"))
{
SkipSubBlock(sc);
}
else if (sc.Compare("ifgame"))
{
if (!CheckSkipGameBlock(sc))
{
// recursively parse sub-block
ParseOptionMenuBody(sc, desc);
}
}
else if (sc.Compare("ifnotgame"))
{
if (!CheckSkipGameBlock(sc, false))
{
// recursively parse sub-block
ParseOptionMenuBody(sc, desc);
}
}
else if (sc.Compare("ifoption"))
{
if (!CheckSkipOptionBlock(sc))
{
// recursively parse sub-block
ParseOptionMenuBody(sc, desc);
}
}
else if (sc.Compare("Class"))
{
sc.MustGetString();
PClass *cls = PClass::FindClass(sc.String);
if (cls == nullptr || !cls->IsDescendantOf("OptionMenu"))
{
sc.ScriptError("Unknown menu class '%s'", sc.String);
}
desc->mClass = cls;
}
else if (sc.Compare({ "Title", "Caption" }))
{
sc.MustGetString();
desc->mTitle = sc.String;
}
else if (sc.Compare("Position"))
{
sc.MustGetNumber();
desc->mPosition = sc.Number;
}
else if (sc.Compare("DefaultSelection"))
{
sc.MustGetNumber();
desc->mSelectedItem = sc.Number;
}
else if (sc.Compare("ScrollTop"))
{
sc.MustGetNumber();
desc->mScrollTop = sc.Number;
}
else if (sc.Compare("Indent"))
{
sc.MustGetNumber();
desc->mIndent = sc.Number;
}
else
{
bool success = false;
FStringf buildname("OptionMenuItem%s", sc.String);
// Handle one special case: MapControl maps to Control with one parameter different
PClass *cls = PClass::FindClass(buildname);
if (cls != nullptr && cls->IsDescendantOf("OptionMenuItem"))
{
auto func = dyn_cast<PFunction>(cls->FindSymbol("Init", true));
if (func != nullptr && !(func->Variants[0].Flags & (VARF_Protected | VARF_Private))) // skip internal classes which have a protexted init method.
{
auto &args = func->Variants[0].Proto->ArgumentTypes;
TArray<VMValue> params;
params.Push(0);
auto TypeCVar = NewPointer(NewStruct("CVar", nullptr, true));
// Note that this array may not be reallocated so its initial size must be the maximum possible elements.
TArray<FString> strings(args.Size());
for (unsigned i = 1; i < args.Size(); i++)
{
sc.MustGetString();
if (args[i] == TypeString)
{
strings.Push(sc.String);
params.Push(&strings.Last());
}
else if (args[i] == TypeName)
{
params.Push(FName(sc.String).GetIndex());
}
else if (args[i] == TypeColor)
{
params.Push(V_GetColor(nullptr, sc));
}
else if (args[i]->isIntCompatible())
{
char *endp;
int v = (int)strtoll(sc.String, &endp, 0);
if (*endp != 0)
{
// special check for font color ranges.
v = V_FindFontColor(sc.String);
if (v == CR_UNTRANSLATED && !sc.Compare("untranslated"))
{
// todo: check other data types that may get used.
sc.ScriptError("Integer expected, got %s", sc.String);
}
// Color ranges need to be marked for option menu items to support an older feature where a boolean number could be passed instead.
v |= 0x12340000;
}
if (args[i] == TypeBool) v = !!v;
params.Push(v);
}
else if (args[i]->isFloat())
{
char *endp;
double v = strtod(sc.String, &endp);
if (*endp != 0)
{
sc.ScriptError("Float expected, got %s", sc.String);
}
params.Push(v);
}
else if (args[i] == TypeCVar)
{
auto cv = FindCVar(sc.String, nullptr);
if (cv == nullptr && *sc.String)
{
if (func->Variants[0].ArgFlags[i] & VARF_Optional)
sc.ScriptMessage("Unknown CVar %s", sc.String);
else
sc.ScriptError("Unknown CVar %s", sc.String);
}
params.Push(cv);
}
else
{
sc.ScriptError("Invalid parameter type %s for menu item", args[i]->DescriptiveName());
}
if (sc.CheckString(","))
{
if (i == args.Size() - 1)
{
sc.ScriptError("Too many parameters for %s", cls->TypeName.GetChars());
}
}
else
{
if (i < args.Size() - 1 && !(func->Variants[0].ArgFlags[i + 1] & VARF_Optional))
{
sc.ScriptError("Insufficient parameters for %s", cls->TypeName.GetChars());
}
break;
}
}
DMenuItemBase *item = (DMenuItemBase*)cls->CreateNew();
params[0] = item;
VMCallWithDefaults(func->Variants[0].Implementation, params, nullptr, 0);
desc->mItems.Push((DMenuItemBase*)item);
success = true;
}
}
if (!success)
{
sc.ScriptError("Unknown keyword '%s'", sc.String);
}
}
}
for (auto &p : desc->mItems)
{
GC::WriteBarrier(p);
}
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseOptionMenu(FScanner &sc)
{
sc.MustGetString();
DOptionMenuDescriptor *desc = Create<DOptionMenuDescriptor>();
desc->mFont = BigUpper;
desc->mMenuName = sc.String;
desc->mSelectedItem = -1;
desc->mScrollPos = 0;
desc->mClass = nullptr;
desc->mPosition = DefaultOptionMenuSettings->mPosition;
desc->mScrollTop = DefaultOptionMenuSettings->mScrollTop;
desc->mIndent = DefaultOptionMenuSettings->mIndent;
desc->mDontDim = DefaultOptionMenuSettings->mDontDim;
desc->mProtected = sc.CheckString("protected");
ParseOptionMenuBody(sc, desc);
ReplaceMenu(sc, desc);
}
//=============================================================================
//
//
//
//=============================================================================
static void ParseAddOptionMenu(FScanner &sc)
{
sc.MustGetString();
DMenuDescriptor **pOld = MenuDescriptors.CheckKey(sc.String);
if (pOld == nullptr || *pOld == nullptr || !(*pOld)->IsKindOf(RUNTIME_CLASS(DOptionMenuDescriptor)))
{
sc.ScriptError("%s is not an option menu that can be extended", sc.String);
}
ParseOptionMenuBody(sc, (DOptionMenuDescriptor*)(*pOld));
}
//=============================================================================
//
//
//
//=============================================================================
void M_ParseMenuDefs()
{
int lump, lastlump = 0;
// these are supposed to get GC'd after parsing is complete.
DefaultListMenuSettings = Create<DListMenuDescriptor>();
DefaultOptionMenuSettings = Create<DOptionMenuDescriptor>();
DefaultListMenuSettings->Reset();
DefaultOptionMenuSettings->Reset();
int IWADMenu = fileSystem.CheckNumForName("MENUDEF", ns_global, fileSystem.GetIwadNum());
while ((lump = fileSystem.FindLump ("MENUDEF", &lastlump)) != -1)
{
FScanner sc(lump);
mustPrintErrors = lump >= IWADMenu;
sc.SetCMode(true);
while (sc.GetString())
{
if (sc.Compare("LISTMENU"))
{
ParseListMenu(sc);
}
else if (sc.Compare("DEFAULTLISTMENU"))
{
ParseListMenuBody(sc, DefaultListMenuSettings);
if (DefaultListMenuSettings->mItems.Size() > 0)
{
I_FatalError("You cannot add menu items to the menu default settings.");
}
}
else if (sc.Compare("OPTIONVALUE"))
{
ParseOptionValue(sc);
}
else if (sc.Compare("OPTIONSTRING"))
{
ParseOptionString(sc);
}
else if (sc.Compare("OPTIONMENUSETTINGS"))
{
ParseOptionSettings(sc);
}
else if (sc.Compare("OPTIONMENU"))
{
ParseOptionMenu(sc);
}
else if (sc.Compare("ADDOPTIONMENU"))
{
ParseAddOptionMenu(sc);
}
else if (sc.Compare("DEFAULTOPTIONMENU"))
{
ParseOptionMenuBody(sc, DefaultOptionMenuSettings);
if (DefaultOptionMenuSettings->mItems.Size() > 0)
{
I_FatalError("You cannot add menu items to the menu default settings.");
}
}
else
{
sc.ScriptError("Unknown keyword '%s'", sc.String);
}
}
if (Args->CheckParm("-nocustommenu")) break;
}
DefaultListMenuClass = DefaultListMenuSettings->mClass;
DefaultListMenuSettings = nullptr;
DefaultOptionMenuClass = DefaultOptionMenuSettings->mClass;
DefaultOptionMenuSettings = nullptr;
}
//=============================================================================
//
// Initialize the music configuration submenus
//
//=============================================================================
extern "C"
{
extern int adl_getBanksCount();
extern const char *const *adl_getBankNames();
}
static void InitMusicMenus()
{
DMenuDescriptor **advmenu = MenuDescriptors.CheckKey("AdvSoundOptions");
auto soundfonts = sfmanager.GetList();
std::tuple<const char *, int, const char *> sfmenus[] = { std::make_tuple("GusConfigMenu", SF_SF2 | SF_GUS, "midi_config"),
std::make_tuple("WildMidiConfigMenu", SF_GUS, "wildmidi_config"),
std::make_tuple("TimidityConfigMenu", SF_SF2 | SF_GUS, "timidity_config"),
std::make_tuple("FluidPatchsetMenu", SF_SF2, "fluid_patchset"),
std::make_tuple("ADLMIDICustomBanksMenu", SF_WOPL, "adl_custom_bank"),
std::make_tuple("OPNMIDICustomBanksMenu", SF_WOPN, "opn_custom_bank")};
for (auto &p : sfmenus)
{
DMenuDescriptor **menu = MenuDescriptors.CheckKey(std::get<0>(p));
if (menu != nullptr)
{
if (soundfonts.Size() > 0)
{
for (auto &entry : soundfonts)
{
if (entry.type & std::get<1>(p))
{
FString display = entry.mName;
display.ReplaceChars("_", ' ');
auto it = CreateOptionMenuItemCommand(display, FStringf("%s \"%s\"", std::get<2>(p), entry.mName.GetChars()), true);
static_cast<DOptionMenuDescriptor*>(*menu)->mItems.Push(it);
}
}
}
else if (advmenu != nullptr)
{
// Remove the item for this submenu
auto d = static_cast<DOptionMenuDescriptor*>(*advmenu);
auto it = d->GetItem(std::get<0>(p));
if (it != nullptr) d->mItems.Delete(d->mItems.Find(it));
}
}
}
DMenuDescriptor **menu = MenuDescriptors.CheckKey("ADLBankMenu");
if (menu != nullptr)
{
const char* const* adl_bank_names;
int adl_banks_count = ZMusic_GetADLBanks(&adl_bank_names);
for (int i=0; i < adl_banks_count; i++)
{
auto it = CreateOptionMenuItemCommand(adl_bank_names[i], FStringf("adl_bank %d", i), true);
static_cast<DOptionMenuDescriptor*>(*menu)->mItems.Push(it);
}
}
}
//=============================================================================
//
// Special menus will be created once all engine data is loaded
//
//=============================================================================
void M_CreateMenus()
{
InitMusicMenus();
FOptionValues **opt = OptionValues.CheckKey(NAME_Mididevices);
if (opt != nullptr)
{
I_BuildMIDIMenuList(*opt);
}
opt = OptionValues.CheckKey(NAME_Aldevices);
if (opt != nullptr)
{
I_BuildALDeviceList(*opt);
}
opt = OptionValues.CheckKey(NAME_Alresamplers);
if (opt != nullptr)
{
I_BuildALResamplersList(*opt);
}
}
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