From fbd8b8f2c7d511247c32a62cdeec2089df261688 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 20 Jul 2014 19:25:00 +0300
Subject: Add class for gamemodifiers.

For now almost empty.
---
 src/CMakeLists.txt    |  2 ++
 src/Makefile.am       |  2 ++
 src/gamemodifiers.cpp | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++
 src/gamemodifiers.h   | 51 ++++++++++++++++++++++++++++++++++++
 4 files changed, 127 insertions(+)
 create mode 100644 src/gamemodifiers.cpp
 create mode 100644 src/gamemodifiers.h

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b9276ccb0..60a529421 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -778,6 +778,8 @@ SET(SRCS
     flooritem.h
     game.cpp
     game.h
+    gamemodifiers.cpp
+    gamemodifiers.h
     render/graphics.cpp
     render/graphics.h
     graphicsmanager.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
index 2c45c6dcb..3d028b119 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -901,6 +901,8 @@ manaplus_SOURCES += gui/widgets/avatarlistbox.cpp \
 	      flooritem.h \
 	      game.cpp \
 	      game.h \
+	      gamemodifiers.cpp \
+	      gamemodifiers.h \
 	      render/graphics.cpp \
 	      render/graphics.h \
 	      graphicsmanager.cpp \
diff --git a/src/gamemodifiers.cpp b/src/gamemodifiers.cpp
new file mode 100644
index 000000000..3aa5b3b0f
--- /dev/null
+++ b/src/gamemodifiers.cpp
@@ -0,0 +1,72 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2014  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gamemodifiers.h"
+
+#include "configuration.h"
+
+#include "gui/widgets/tabs/chattab.h"
+
+#include "listeners/updatestatuslistener.h"
+
+#include "debug.h"
+
+GameModifiers *modifiers = nullptr;
+
+GameModifiers::GameModifiers()
+{
+}
+
+GameModifiers::~GameModifiers()
+{
+}
+
+void GameModifiers::changeMode(unsigned *restrict const var,
+                              const unsigned limit,
+                              const char *restrict const conf,
+                              std::string (GameModifiers::*const func)(),
+                              const unsigned def,
+                              const bool save,
+                              const bool forward)
+{
+    if (!var)
+        return;
+
+    if (forward)
+    {
+        (*var) ++;
+        if (*var >= limit)
+            *var = def;
+    }
+    else
+    {
+        if (!*var)
+            *var = limit - 1;
+        else
+            (*var) --;
+    }
+
+    if (save)
+        config.setValue(conf, *var);
+    UpdateStatusListener::distributeEvent();
+    const std::string str = (this->*func)();
+    if (str.size() > 4)
+        debugMsg(str.substr(4));
+}
diff --git a/src/gamemodifiers.h b/src/gamemodifiers.h
new file mode 100644
index 000000000..4b2b54497
--- /dev/null
+++ b/src/gamemodifiers.h
@@ -0,0 +1,51 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2014  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GAMEMODIFIERS_H
+#define GAMEMODIFIERS_H
+
+#include <string>
+
+#include "localconsts.h"
+
+class GameModifiers final
+{
+    public:
+        GameModifiers();
+
+        A_DELETE_COPY(GameModifiers)
+
+        ~GameModifiers();
+
+        void changeMode(unsigned *restrict const var,
+                        const unsigned limit,
+                        const char *restrict const conf,
+                        std::string (GameModifiers::*const func)(),
+                        const unsigned def,
+                        const bool save,
+                        const bool forward);
+
+    protected:
+
+};
+
+extern GameModifiers *modifiers;
+
+#endif  // GAMEMODIFIERS_H
-- 
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