From 2b558dedbcbca5cf6776efaf46a43fbb151998c8 Mon Sep 17 00:00:00 2001
From: skyjake <skyjake@users.sf.net>
Date: Sat, 15 Sep 2012 14:31:18 +0300
Subject: [PATCH] libcommon|All Games: Common GetInteger routine for all games

---
 doomsday/plugins/common/common.pri       |  1 +
 doomsday/plugins/common/include/common.h |  2 ++
 doomsday/plugins/common/src/common.c     | 43 ++++++++++++++++++++++++
 doomsday/plugins/jdoom/src/d_main.c      | 10 +-----
 doomsday/plugins/jdoom64/src/d_main.c    | 11 +-----
 doomsday/plugins/jheretic/src/h_main.c   | 11 +-----
 doomsday/plugins/jhexen/src/h2_main.c    | 11 +-----
 7 files changed, 50 insertions(+), 39 deletions(-)
 create mode 100644 doomsday/plugins/common/src/common.c

diff --git a/doomsday/plugins/common/common.pri b/doomsday/plugins/common/common.pri
index b9f5c3953b..8192f0c8e5 100644
--- a/doomsday/plugins/common/common.pri
+++ b/doomsday/plugins/common/common.pri
@@ -65,6 +65,7 @@ HEADERS += \
 
 SOURCES += \
     $$common_src/am_map.c \
+    $$common_src/common.c \
     $$common_src/d_net.c \
     $$common_src/d_netcl.c \
     $$common_src/d_netsv.c \
diff --git a/doomsday/plugins/common/include/common.h b/doomsday/plugins/common/include/common.h
index 7175528f2b..087dc1421e 100644
--- a/doomsday/plugins/common/include/common.h
+++ b/doomsday/plugins/common/include/common.h
@@ -37,4 +37,6 @@
 #  include "jhexen.h"
 #endif
 
+int Common_GetInteger(int id);
+
 #endif /// LIBCOMMON_GAME_INCLUDES
diff --git a/doomsday/plugins/common/src/common.c b/doomsday/plugins/common/src/common.c
new file mode 100644
index 0000000000..9404908dc5
--- /dev/null
+++ b/doomsday/plugins/common/src/common.c
@@ -0,0 +1,43 @@
+/**
+ * @file common.c
+ * Top-level libcommon routines.
+ *
+ * @authors Copyright &copy; 2012 Jaakko Keränen <jaakko.keranen@iki.fi>
+ * @authors Copyright &copy; 2012 Daniel Swanson <danij@dengine.net>
+ *
+ * @par License
+ * GPL: http://www.gnu.org/licenses/gpl.html
+ *
+ * <small>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 (at your
+ * option) 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, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA</small>
+ */
+
+#include "common.h"
+#include "g_common.h"
+
+int Common_GetInteger(int id)
+{
+    switch(id)
+    {
+    case DD_DMU_VERSION:
+        return DMUAPI_VER;
+
+    case DD_GAME_RECOMMENDS_SAVING:
+        // The engine will use this as a hint whether to remind the user to
+        // manually save the game before, e.g., upgrading to a new version.
+        return G_GameState() == GS_MAP;
+
+    default:
+        break;
+    }
+    return 0;
+}
+
diff --git a/doomsday/plugins/jdoom/src/d_main.c b/doomsday/plugins/jdoom/src/d_main.c
index f632e3ef41..5e64f62d13 100644
--- a/doomsday/plugins/jdoom/src/d_main.c
+++ b/doomsday/plugins/jdoom/src/d_main.c
@@ -102,15 +102,7 @@ static boolean autoStart;
  */
 int D_GetInteger(int id)
 {
-    switch(id)
-    {
-    case DD_DMU_VERSION:
-        return DMUAPI_VER;
-
-    default:
-        break;
-    }
-    return 0;
+    return Common_GetInteger(id);
 }
 
 /**
diff --git a/doomsday/plugins/jdoom64/src/d_main.c b/doomsday/plugins/jdoom64/src/d_main.c
index 6784a7684f..850742e743 100644
--- a/doomsday/plugins/jdoom64/src/d_main.c
+++ b/doomsday/plugins/jdoom64/src/d_main.c
@@ -104,16 +104,7 @@ static boolean autoStart;
  */
 int D_GetInteger(int id)
 {
-    switch(id)
-    {
-    case DD_DMU_VERSION:
-        return DMUAPI_VER;
-
-    default:
-        break;
-    }
-    // ID not recognized, return NULL.
-    return 0;
+    return Common_GetInteger(id);
 }
 
 /**
diff --git a/doomsday/plugins/jheretic/src/h_main.c b/doomsday/plugins/jheretic/src/h_main.c
index 2c035c36e6..72798313c9 100644
--- a/doomsday/plugins/jheretic/src/h_main.c
+++ b/doomsday/plugins/jheretic/src/h_main.c
@@ -104,16 +104,7 @@ static boolean autoStart;
  */
 int H_GetInteger(int id)
 {
-    switch(id)
-    {
-    case DD_DMU_VERSION:
-        return DMUAPI_VER;
-
-    default:
-        break;
-    }
-    // ID not recognized, return NULL.
-    return 0;
+    return Common_GetInteger(id);
 }
 
 /**
diff --git a/doomsday/plugins/jhexen/src/h2_main.c b/doomsday/plugins/jhexen/src/h2_main.c
index 8cd1d5b63e..4a868027a3 100644
--- a/doomsday/plugins/jhexen/src/h2_main.c
+++ b/doomsday/plugins/jhexen/src/h2_main.c
@@ -108,16 +108,7 @@ static skillmode_t startSkill = SM_MEDIUM;
  */
 int X_GetInteger(int id)
 {
-    switch(id)
-    {
-    case DD_DMU_VERSION:
-        return DMUAPI_VER;
-
-    default:
-        break;
-    }
-    // ID not recognized, return NULL.
-    return 0;
+    return Common_GetInteger(id);
 }
 
 /**