NOISSUE first step towards having game options management

10 files changed, 389 insertions, 1 deletions

diff --git a/api/logic/CMakeLists.txt b/api/logic/CMakeLists.txt
index 45b01b9f..57a197be 100644
--- a/api/logic/CMakeLists.txt
+++ b/api/logic/CMakeLists.txt
@@ -211,6 +211,8 @@ set(MINECRAFT_SOURCES
     minecraft/auth/flows/RefreshTask.cpp
     minecraft/auth/flows/ValidateTask.h
     minecraft/auth/flows/ValidateTask.cpp
+    minecraft/gameoptions/GameOptions.h
+    minecraft/gameoptions/GameOptions.cpp
     minecraft/update/AssetUpdateTask.h
     minecraft/update/AssetUpdateTask.cpp
     minecraft/update/FMLLibrariesTask.cpp
diff --git a/api/logic/minecraft/MinecraftInstance.cpp b/api/logic/minecraft/MinecraftInstance.cpp
index fecb951a..bf4eb1bd 100644
--- a/api/logic/minecraft/MinecraftInstance.cpp
+++ b/api/logic/minecraft/MinecraftInstance.cpp
@@ -35,6 +35,7 @@
 #include "AssetsUtils.h"
 #include "MinecraftUpdate.h"
 #include "MinecraftLoadAndCheck.h"
+#include <minecraft/gameoptions/GameOptions.h>
 
 #define IBUS "@im=ibus"
 
@@ -935,6 +936,15 @@ std::shared_ptr<WorldList> MinecraftInstance::worldList() const
     return m_world_list;
 }
 
+std::shared_ptr<GameOptions> MinecraftInstance::gameOptionsModel() const
+{
+    if (!m_game_options)
+    {
+        m_game_options.reset(new GameOptions(FS::PathCombine(gameRoot(), "options.txt")));
+    }
+    return m_game_options;
+}
+
 QList< Mod > MinecraftInstance::getJarMods() const
 {
     auto profile = m_components->getProfile();
diff --git a/api/logic/minecraft/MinecraftInstance.h b/api/logic/minecraft/MinecraftInstance.h
index 5f0fa353..091d1bf7 100644
--- a/api/logic/minecraft/MinecraftInstance.h
+++ b/api/logic/minecraft/MinecraftInstance.h
@@ -9,6 +9,7 @@
 class ModsModel;
 class SimpleModList;
 class WorldList;
+class GameOptions;
 class LaunchStep;
 class ComponentList;
 
@@ -72,7 +73,7 @@ public:
     std::shared_ptr<SimpleModList> resourcePackList() const;
     std::shared_ptr<SimpleModList> texturePackList() const;
     std::shared_ptr<WorldList> worldList() const;
-
+    std::shared_ptr<GameOptions> gameOptionsModel() const;
 
     //////  Launch stuff //////
     shared_qobject_ptr<Task> createUpdateTask(Net::Mode mode) override;
@@ -130,6 +131,7 @@ protected: // data
     mutable std::shared_ptr<SimpleModList> m_resource_pack_list;
     mutable std::shared_ptr<SimpleModList> m_texture_pack_list;
     mutable std::shared_ptr<WorldList> m_world_list;
+    mutable std::shared_ptr<GameOptions> m_game_options;
 };
 
 typedef std::shared_ptr<MinecraftInstance> MinecraftInstancePtr;
diff --git a/api/logic/minecraft/gameoptions/GameOptions.cpp b/api/logic/minecraft/gameoptions/GameOptions.cpp
new file mode 100644
index 00000000..5dab8b86
--- /dev/null
+++ b/api/logic/minecraft/gameoptions/GameOptions.cpp
@@ -0,0 +1,144 @@
+#include "GameOptions.h"
+#include "FileSystem.h"
+#include <QDebug>
+#include <QSaveFile>
+
+namespace {
+bool load(const QString& path, std::vector<GameOptionItem> &contents, int & version)
+{
+    contents.clear();
+    QFile file(path);
+    if (!file.open(QFile::ReadOnly))
+    {
+        qWarning() << "Failed to read options file.";
+        return false;
+    }
+    version = 0;
+    while(!file.atEnd())
+    {
+        auto line = file.readLine();
+        if(line.back() == '\n')
+        {
+            line.chop(1);
+        }
+        auto separatorIndex = line.indexOf(':');
+        if(separatorIndex == -1)
+        {
+            continue;
+        }
+        auto key = QString::fromUtf8(line.data(), separatorIndex);
+        auto value = QString::fromUtf8(line.data() + separatorIndex + 1, line.size() - 1 - separatorIndex);
+        qDebug() << "!!" << key << "!!";
+        if(key == "version")
+        {
+            version = value.toInt();
+            continue;
+        }
+        contents.emplace_back(GameOptionItem{key, value});
+    }
+    qDebug() << "Loaded" << path << "with version:" << version;
+    return true;
+}
+bool save(const QString& path, std::vector<GameOptionItem> &mapping, int version)
+{
+    QSaveFile out(path);
+    if(!out.open(QIODevice::WriteOnly))
+    {
+        return false;
+    }
+    if(version != 0)
+    {
+        QString versionLine = QString("version:%1\n").arg(version);
+        out.write(versionLine.toUtf8());
+    }
+    auto iter = mapping.begin();
+    while (iter != mapping.end())
+    {
+        out.write(iter->key.toUtf8());
+        out.write(":");
+        out.write(iter->value.toUtf8());
+        out.write("\n");
+        iter++;
+    }
+    return out.commit();
+}
+}
+
+GameOptions::GameOptions(const QString& path):
+    path(path)
+{
+    reload();
+}
+
+QVariant GameOptions::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    if(role != Qt::DisplayRole)
+    {
+        return QAbstractListModel::headerData(section, orientation, role);
+    }
+    switch(section)
+    {
+        case 0:
+            return tr("Key");
+        case 1:
+            return tr("Value");
+        default:
+            return QVariant();
+    }
+}
+
+QVariant GameOptions::data(const QModelIndex& index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    int row = index.row();
+    int column = index.column();
+
+    if (row < 0 || row >= int(contents.size()))
+        return QVariant();
+
+    switch (role)
+    {
+    case Qt::DisplayRole:
+        if(column == 0)
+        {
+            return contents[row].key;
+        }
+        else
+        {
+            return contents[row].value;
+        }
+    default:
+        return QVariant();
+    }
+    return QVariant();
+}
+
+int GameOptions::rowCount(const QModelIndex&) const
+{
+    return contents.size();
+}
+
+int GameOptions::columnCount(const QModelIndex&) const
+{
+    return 2;
+}
+
+bool GameOptions::isLoaded() const
+{
+    return loaded;
+}
+
+bool GameOptions::reload()
+{
+    beginResetModel();
+    loaded = load(path, contents, version);
+    endResetModel();
+    return loaded;
+}
+
+bool GameOptions::save()
+{
+    return ::save(path, contents, version);
+}
diff --git a/api/logic/minecraft/gameoptions/GameOptions.h b/api/logic/minecraft/gameoptions/GameOptions.h
new file mode 100644
index 00000000..c6d25492
--- /dev/null
+++ b/api/logic/minecraft/gameoptions/GameOptions.h
@@ -0,0 +1,34 @@
+#pragma once
+
+#include <map>
+#include <QString>
+#include <QAbstractListModel>
+
+struct GameOptionItem
+{
+    QString key;
+    QString value;
+};
+
+class GameOptions : public QAbstractListModel
+{
+    Q_OBJECT
+public:
+    explicit GameOptions(const QString& path);
+    virtual ~GameOptions() = default;
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex & parent) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+
+    bool isLoaded() const;
+    bool reload();
+    bool save();
+
+private:
+    std::vector<GameOptionItem> contents;
+    bool loaded = false;
+    QString path;
+    int version = 0;
+};
diff --git a/application/CMakeLists.txt b/application/CMakeLists.txt
index 30ef7268..26852df0 100644
--- a/application/CMakeLists.txt
+++ b/application/CMakeLists.txt
@@ -84,6 +84,8 @@ SET(MULTIMC_SOURCES
     pages/BasePageProvider.h
 
     # GUI - instance pages
+    pages/instance/GameOptionsPage.cpp
+    pages/instance/GameOptionsPage.h
     pages/instance/VersionPage.cpp
     pages/instance/VersionPage.h
     pages/instance/TexturePackPage.h
@@ -229,6 +231,7 @@ SET(MULTIMC_SOURCES
 ######## UIs ########
 SET(MULTIMC_UIS
     # Instance pages
+    pages/instance/GameOptionsPage.ui
     pages/instance/VersionPage.ui
     pages/instance/ModFolderPage.ui
     pages/instance/LogPage.ui
diff --git a/application/InstancePageProvider.h b/application/InstancePageProvider.h
index e72ba797..db57941e 100644
--- a/application/InstancePageProvider.h
+++ b/application/InstancePageProvider.h
@@ -16,6 +16,7 @@
 #include "pages/instance/LegacyUpgradePage.h"
 #include "pages/instance/WorldListPage.h"
 #include "pages/instance/ServersPage.h"
+#include "pages/instance/GameOptionsPage.h"
 
 #include "Env.h"
 
@@ -46,6 +47,7 @@ public:
             values.append(new NotesPage(onesix.get()));
             values.append(new WorldListPage(onesix.get(), onesix->worldList(), "worlds", "worlds", tr("Worlds"), "Worlds"));
             values.append(new ServersPage(onesix.get()));
+            values.append(new GameOptionsPage(onesix.get()));
             values.append(new ScreenshotsPage(FS::PathCombine(onesix->gameRoot(), "screenshots")));
             values.append(new InstanceSettingsPage(onesix.get()));
         }
diff --git a/application/pages/instance/GameOptionsPage.cpp b/application/pages/instance/GameOptionsPage.cpp
new file mode 100644
index 00000000..5555fc79
--- /dev/null
+++ b/application/pages/instance/GameOptionsPage.cpp
@@ -0,0 +1,40 @@
+#include "GameOptionsPage.h"
+#include "ui_GameOptionsPage.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/gameoptions/GameOptions.h"
+
+GameOptionsPage::GameOptionsPage(MinecraftInstance * inst, QWidget* parent)
+    : QWidget(parent), ui(new Ui::GameOptionsPage)
+{
+    ui->setupUi(this);
+    ui->tabWidget->tabBar()->hide();
+    m_model = inst->gameOptionsModel();
+    ui->optionsView->setModel(m_model.get());
+    auto head = ui->optionsView->header();
+    if(head->count())
+    {
+        head->setSectionResizeMode(0, QHeaderView::ResizeToContents);
+        for(int i = 1; i < head->count(); i++)
+        {
+            head->setSectionResizeMode(i, QHeaderView::Stretch);
+        }
+    }
+}
+
+GameOptionsPage::~GameOptionsPage()
+{
+    // m_model->save();
+}
+
+void GameOptionsPage::openedImpl()
+{
+    // m_model->observe();
+}
+
+void GameOptionsPage::closedImpl()
+{
+    // m_model->unobserve();
+}
+
+#include "GameOptionsPage.moc"
+
diff --git a/application/pages/instance/GameOptionsPage.h b/application/pages/instance/GameOptionsPage.h
new file mode 100644
index 00000000..ae47747f
--- /dev/null
+++ b/application/pages/instance/GameOptionsPage.h
@@ -0,0 +1,63 @@
+/* Copyright 2013-2019 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QWidget>
+#include <QString>
+
+#include "pages/BasePage.h"
+#include <MultiMC.h>
+
+namespace Ui
+{
+class GameOptionsPage;
+}
+
+class GameOptions;
+class MinecraftInstance;
+
+class GameOptionsPage : public QWidget, public BasePage
+{
+    Q_OBJECT
+
+public:
+    explicit GameOptionsPage(MinecraftInstance *inst, QWidget *parent = 0);
+    virtual ~GameOptionsPage();
+
+    void openedImpl() override;
+    void closedImpl() override;
+
+    virtual QString displayName() const override
+    {
+        return tr("Game Options");
+    }
+    virtual QIcon icon() const override
+    {
+        return MMC->getThemedIcon("settings");
+    }
+    virtual QString id() const override
+    {
+        return "gameoptions";
+    }
+    virtual QString helpPage() const override
+    {
+        return "Game-Options-management";
+    }
+
+private: // data
+    Ui::GameOptionsPage *ui = nullptr;
+    std::shared_ptr<GameOptions> m_model;
+};
diff --git a/application/pages/instance/GameOptionsPage.ui b/application/pages/instance/GameOptionsPage.ui
new file mode 100644
index 00000000..f0a5ce0e
--- /dev/null
+++ b/application/pages/instance/GameOptionsPage.ui
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>GameOptionsPage</class>
+ <widget class="QWidget" name="GameOptionsPage">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>706</width>
+    <height>575</height>
+   </rect>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item row="0" column="0">
+    <widget class="QTabWidget" name="tabWidget">
+     <property name="currentIndex">
+      <number>0</number>
+     </property>
+     <widget class="QWidget" name="tab">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <attribute name="title">
+       <string notr="true">Tab 1</string>
+      </attribute>
+      <layout class="QGridLayout" name="gridLayout_2">
+       <item row="0" column="0" colspan="2">
+        <widget class="QTreeView" name="optionsView">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="acceptDrops">
+          <bool>true</bool>
+         </property>
+         <property name="alternatingRowColors">
+          <bool>true</bool>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::SingleSelection</enum>
+         </property>
+         <property name="selectionBehavior">
+          <enum>QAbstractItemView::SelectRows</enum>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>64</width>
+           <height>64</height>
+          </size>
+         </property>
+         <property name="rootIsDecorated">
+          <bool>false</bool>
+         </property>
+         <attribute name="headerStretchLastSection">
+          <bool>false</bool>
+         </attribute>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <tabstops>
+  <tabstop>tabWidget</tabstop>
+  <tabstop>optionsView</tabstop>
+ </tabstops>
+ <resources/>
+ <connections/>
+</ui>