Fix assertion and crash on game teardown (#37, #42)

Also, the build works on linux again. Whee!

CMakeLists.txt

@@ -22,6 +22,7 @@ set(OC_CLONK_SOURCES
 	src/C4FullScreen.h
 	src/C4Game.cpp
 	src/C4Game.h
+	src/C4Globals.cpp
 	src/C4GraphicsSystem.cpp
 	src/C4GraphicsSystem.h
 	src/c4group/C4Components.h
@@ -615,6 +616,8 @@ endif()
 if(MSVC_VERSION)
 	# Suppress warnings about "non-secure" functions
 	add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
+	# Disable warning C4244: 'conversion' conversion from 'type1' to 'type2', possible loss of data
+	list(APPEND OC_CXX_FLAGS "/wd4244")
 endif()
 
 ############################################################################

Makefile.am

@@ -142,6 +142,7 @@ src/C4FullScreen.cpp \
 src/C4FullScreen.h \
 src/C4Game.cpp \
 src/C4Game.h \
+src/C4Globals.cpp \
 src/C4GraphicsSystem.cpp \
 src/C4GraphicsSystem.h \
 src/c4group/C4LangStringTable.cpp \
@@ -400,8 +401,6 @@ src/platform/C4Video.cpp \
 src/platform/C4Video.h \
 src/platform/C4VideoPlayback.cpp \
 src/platform/C4VideoPlayback.h \
-src/platform/Midi.cpp \
-src/platform/Midi.h \
 src/platform/OpenURL.cpp \
 src/platform/StdConfig.cpp \
 src/platform/StdConfig.h \

src/C4Globals.cpp

@@ -0,0 +1,35 @@
+/*
+ * OpenClonk, http://www.openclonk.org
+ *
+ * Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
+ *
+ * Portions might be copyrighted by other authors who have contributed
+ * to OpenClonk.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * See isc_license.txt for full license and disclaimer.
+ *
+ * "Clonk" is a registered trademark of Matthes Bender.
+ * See clonk_trademark_license.txt for full license.
+ */
+
+/* Global interdependent objects */
+
+#include "C4Include.h"
+#include "C4Application.h"
+#include "C4Console.h"
+#include "C4FullScreen.h"
+#include "C4MouseControl.h"
+#include "C4GameObjects.h"
+#include "C4Game.h"
+#include "C4Network2.h"
+
+C4Application  Application;
+C4Console      Console;
+C4FullScreen   FullScreen;
+C4MouseControl MouseControl;
+C4GameObjects  Objects;
+C4Game         Game;
+C4Network2     Network;

src/C4WinMain.cpp

@@ -26,19 +26,11 @@
 #include <C4Include.h>
 #include <C4Application.h>
 
-#include <C4Console.h>
-#include <C4FullScreen.h>
 #include <C4Log.h>
 #include <C4Game.h>
 #include <C4Version.h>
 #include "C4Network2.h"
 
-C4Application Application;
-C4Console			Console;
-C4FullScreen	FullScreen;
-C4Game				Game;
-C4Network2		Network;
-
 #include "MacUtility.h"
 
 #ifdef _WIN32
@@ -148,6 +140,7 @@ int main()
 #ifdef WITH_DEVELOPER_MODE
 # include "c4x.xpm"
 # include <gtk/gtkmain.h>
+# include <gtk/gtkwindow.h>
 #endif
 
 #ifdef HAVE_EXECINFO_H

src/c4group/C4LangStringTable.h

@@ -24,6 +24,7 @@
 
 #include <map>
 #include <string>
+#include <stdexcept>
 
 class C4LangStringTable : public C4ComponentHost
 {

src/game/object/C4GameObjects.cpp

@@ -1002,5 +1002,3 @@ void C4GameObjects::SetOCF()
 		if (cLnk->Obj->Status)
 			cLnk->Obj->SetOCF();
 	}
-
-C4GameObjects Objects;

src/game/object/C4GameObjects.h

@@ -35,7 +35,8 @@ class C4GameObjects : public C4NotifyingObjectList
 		~C4GameObjects(); // destructor
 		void Default();
 		void Init(int32_t iWidth, int32_t iHeight);
-		void Clear(bool fClearInactive = true); // clear objects
+		void Clear(bool fClearInactive); // clear objects
+		void Clear() { Clear(true); } // don't use default parameters so we get a correct vtbl entry
 
 	public:
 		C4LSectors Sectors; // section object lists

src/game/object/C4Id.h

@@ -28,7 +28,7 @@
 
 class C4ID
 	{
-	uint32_t v;
+	union { uint32_t v; char s[4]; };
 	public:
 	C4ID() {}
 	C4ID(unsigned int i): v(i) {}

src/game/object/C4ObjectList.h

@@ -89,8 +89,8 @@ class C4ObjectList
 		iterator begin();
 		const iterator end();
 
-		void Default();
+		virtual void Default();
-		void Clear();
+		virtual void Clear();
 		void Sort();
 		void Enumerate();
 		void Denumerate();
@@ -108,12 +108,12 @@ class C4ObjectList
 
 		typedef int SortProc(C4Object *, C4Object *);
 
-		bool Add(C4Object *nObj, SortType eSort, C4ObjectList *pLstSorted = NULL);
+		virtual bool Add(C4Object *nObj, SortType eSort, C4ObjectList *pLstSorted = NULL);
 		bool AddSortCustom(C4Object *nObj, SortProc &pSortProc);
-		bool Remove(C4Object *pObj);
+		virtual bool Remove(C4Object *pObj);
 
-		bool AssignInfo();
+		virtual bool AssignInfo();
-		bool ValidateOwners();
+		virtual bool ValidateOwners();
 		StdStrBuf GetNameList(C4DefList &rDefs, DWORD dwCategory=C4D_All);
 		bool IsClear() const;
 		bool DenumerateRead();
@@ -134,8 +134,8 @@ class C4ObjectList
 
 		C4ID GetListID(int32_t dwCategory, int Index);
 
-		bool OrderObjectBefore(C4Object *pObj1, C4Object *pObj2); // order pObj1 before pObj2
+		virtual bool OrderObjectBefore(C4Object *pObj1, C4Object *pObj2); // order pObj1 before pObj2
-		bool OrderObjectAfter(C4Object *pObj1, C4Object *pObj2); // order pObj1 after pObj2
+		virtual bool OrderObjectAfter(C4Object *pObj1, C4Object *pObj2); // order pObj1 after pObj2
 
 		bool ShiftContents(C4Object *pNewFirst); // cycle list so pNewFirst is at front
 

src/gui/C4MouseControl.cpp

@@ -1409,5 +1409,3 @@ void C4MouseControl::StartConstructionDrag(C4ID id)
 	CreateDragImage(DragID);
 	Selection.Clear();
 	}
-
-C4MouseControl MouseControl;

src/script/C4PropList.cpp

@@ -67,8 +67,14 @@ C4PropList::C4PropList(C4PropList * prototype):
 
 C4PropList::~C4PropList()
 	{
-	assert(!FirstRef);
+	while (FirstRef)
-	while (FirstRef) FirstRef->Set0();
+	{
+		// Manually kill references so DelRef doesn't destroy us again
+		FirstRef->Data = 0; FirstRef->Type = C4V_Any;
+		C4Value *ref = FirstRef;
+		FirstRef = FirstRef->NextRef;
+		ref->NextRef = NULL;
+	}
 	::Objects.PropLists.Remove(this);
 	assert(!::Objects.ObjectNumber(this));
 	}