From 13b293dd6518f8e3c80afd6fe40629e3caee69dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Tue, 11 Dec 2018 23:53:14 +0100
Subject: [PATCH] GH-2374 fix missing alternating backgrounds in worlds, add
 gametype column

---
 api/logic/minecraft/World.cpp               | 49 +++++++++++++++++++++
 api/logic/minecraft/World.h                 | 14 ++++++
 api/logic/minecraft/WorldList.cpp           |  9 +++-
 api/logic/minecraft/WorldList.h             |  2 +
 application/pages/instance/WorldListPage.ui |  3 ++
 5 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/api/logic/minecraft/World.cpp b/api/logic/minecraft/World.cpp
index b39f940e..5da562aa 100644
--- a/api/logic/minecraft/World.cpp
+++ b/api/logic/minecraft/World.cpp
@@ -30,6 +30,26 @@
 #include <quazipfile.h>
 #include <quazipdir.h>
 
+#include <QCoreApplication>
+
+QString gameTypeToString(GameType type)
+{
+    switch (type)
+    {
+        case GameType::Survival:
+            return QCoreApplication::translate("GameType", "Survival");
+        case GameType::Creative:
+            return QCoreApplication::translate("GameType", "Creative");
+        case GameType::Adventure:
+            return QCoreApplication::translate("GameType", "Adventure");
+        case GameType::Spectator:
+            return QCoreApplication::translate("GameType", "Spectator");
+        default:
+            break;
+    }
+    return QObject::tr("Unknown");
+}
+
 std::unique_ptr <nbt::tag_compound> parseLevelDat(QByteArray data)
 {
     QByteArray output;
@@ -303,6 +323,32 @@ static int64_t read_long (nbt::value& parent, const char * name, const int64_t &
     }
 }
 
+static int read_int (nbt::value& parent, const char * name, const int & fallback = 0)
+{
+    try
+    {
+        auto &namedValue = parent.at(name);
+        if(namedValue.get_type() != nbt::tag_type::Int)
+        {
+            return fallback;
+        }
+        auto & tag_str = namedValue.as<nbt::tag_int>();
+        return tag_str.get();
+    }
+    catch (const std::out_of_range &e)
+    {
+        // fallback for old world formats
+        qWarning() << "Int NBT tag" << name << "could not be found. Defaulting to" << fallback;
+        return fallback;
+    }
+    catch (const std::bad_cast &e)
+    {
+        // type mismatch
+        qWarning() << "NBT tag" << name << "could not be converted to int. Defaulting to" << fallback;
+        return fallback;
+    }
+}
+
 void World::loadFromLevelDat(QByteArray data)
 {
     try
@@ -332,11 +378,14 @@ void World::loadFromLevelDat(QByteArray data)
             m_lastPlayed = QDateTime::fromMSecsSinceEpoch(temp);
         }
 
+        m_gameType = (GameType) read_int(val, "GameType", 0);
+
         m_randomSeed = read_long(val, "RandomSeed", 0);
 
         qDebug() << "World Name:" << m_actualName;
         qDebug() << "Last Played:" << m_lastPlayed.toString();
         qDebug() << "Seed:" << m_randomSeed;
+        qDebug() << "GameMode:" << m_randomSeed;
     }
     catch (const nbt::io::input_error &e)
     {
diff --git a/api/logic/minecraft/World.h b/api/logic/minecraft/World.h
index 2cce85a2..7cb694a7 100644
--- a/api/logic/minecraft/World.h
+++ b/api/logic/minecraft/World.h
@@ -19,6 +19,15 @@
 
 #include "multimc_logic_export.h"
 
+enum class GameType
+{
+    Survival,
+    Creative,
+    Adventure,
+    Spectator
+};
+QString MULTIMC_LOGIC_EXPORT gameTypeToString(GameType type);
+
 class MULTIMC_LOGIC_EXPORT World
 {
 public:
@@ -35,6 +44,10 @@ public:
     {
         return m_lastPlayed;
     }
+    GameType gameType() const
+    {
+        return m_gameType;
+    }
     int64_t seed() const
     {
         return m_randomSeed;
@@ -79,5 +92,6 @@ protected:
     QDateTime levelDatTime;
     QDateTime m_lastPlayed;
     int64_t m_randomSeed = 0;
+    GameType m_gameType = GameType::Survival;
     bool is_valid = false;
 };
diff --git a/api/logic/minecraft/WorldList.cpp b/api/logic/minecraft/WorldList.cpp
index 79a5bf38..827b2d63 100644
--- a/api/logic/minecraft/WorldList.cpp
+++ b/api/logic/minecraft/WorldList.cpp
@@ -138,7 +138,7 @@ bool WorldList::deleteWorlds(int first, int last)
 
 int WorldList::columnCount(const QModelIndex &parent) const
 {
-    return 2;
+    return 3;
 }
 
 QVariant WorldList::data(const QModelIndex &index, int role) const
@@ -161,6 +161,9 @@ QVariant WorldList::data(const QModelIndex &index, int role) const
         case NameColumn:
             return world.name();
 
+        case GameModeColumn:
+            return gameTypeToString(world.gameType());
+
         case LastPlayedColumn:
             return world.lastPlayed();
 
@@ -206,6 +209,8 @@ QVariant WorldList::headerData(int section, Qt::Orientation orientation, int rol
         {
         case NameColumn:
             return tr("Name");
+        case GameModeColumn:
+            return tr("Game Mode");
         case LastPlayedColumn:
             return tr("Last Played");
         default:
@@ -217,6 +222,8 @@ QVariant WorldList::headerData(int section, Qt::Orientation orientation, int rol
         {
         case NameColumn:
             return tr("The name of the world.");
+        case GameModeColumn:
+            return tr("Game mode of the world.");
         case LastPlayedColumn:
             return tr("Date and time the world was last played.");
         default:
diff --git a/api/logic/minecraft/WorldList.h b/api/logic/minecraft/WorldList.h
index a1cd8f51..433d354b 100644
--- a/api/logic/minecraft/WorldList.h
+++ b/api/logic/minecraft/WorldList.h
@@ -33,6 +33,7 @@ public:
     enum Columns
     {
         NameColumn,
+        GameModeColumn,
         LastPlayedColumn
     };
 
@@ -42,6 +43,7 @@ public:
         FolderRole,
         SeedRole,
         NameRole,
+        GameModeRole,
         LastPlayedRole
     };
 
diff --git a/application/pages/instance/WorldListPage.ui b/application/pages/instance/WorldListPage.ui
index 0018ddf3..bc104854 100644
--- a/application/pages/instance/WorldListPage.ui
+++ b/application/pages/instance/WorldListPage.ui
@@ -126,6 +126,9 @@
          <property name="dragDropMode">
           <enum>QAbstractItemView::DragDrop</enum>
          </property>
+         <property name="alternatingRowColors">
+          <bool>true</bool>
+         </property>
          <property name="sortingEnabled">
           <bool>true</bool>
          </property>