Merge pull request #594 from ivan-mogilko/ags3--fix-allegro-fixedfuncs

AGS 3: fixed the use of fixed-point Allegro functions

Common/gfx/allegrobitmap.h

@@ -20,7 +20,6 @@
 //=============================================================================
 #ifndef __AGS_CN_GFX__ALLEGROBITMAP_H
 #define __AGS_CN_GFX__ALLEGROBITMAP_H
-#define ALLEGRO_NO_FIX_ALIASES
 
 #include <allegro.h>
 #include "core/types.h"

Common/libsrc/aastr-0.1.1/AAROT.c → Common/libsrc/aastr-0.1.1/aarot.c

@@ -71,8 +71,8 @@ _aa_rotate_bitmap (BITMAP *_src, BITMAP *_dst, int _x, int _y, fixed _angle,
   /* Width and height of source and destination.  */
   sw = _src->w;
   sh = _src->h;
-  fdw = fmul (ABS (_scalex), itofix (sw));
-  fdh = fmul (ABS (_scaley), itofix (sh));
+  fdw = fixmul (ABS (_scalex), itofix (sw));
+  fdh = fixmul (ABS (_scaley), itofix (sh));
   dw = fixtoi (fdw);
   dh = fixtoi (fdh);
   if ((dw <= 0) || (dh <= 0))
@@ -85,14 +85,14 @@ _aa_rotate_bitmap (BITMAP *_src, BITMAP *_dst, int _x, int _y, fixed _angle,
   fx0 = itofix (_x);
   fy0 = itofix (_y);
 
-  fsinangle = fsin (_angle);
-  fcosangle = fcos (_angle);
+  fsinangle = fixsin (_angle);
+  fcosangle = fixcos (_angle);
 
   /* Map source (half) edges onto destination.  */
-  fux = fmul (fdw, fcosangle);
-  fuy = fmul (fdw, fsinangle);
-  fvx = -fmul (fdh, fsinangle);
-  fvy = fmul (fdh, fcosangle);
+  fux = fixmul (fdw, fcosangle);
+  fuy = fixmul (fdw, fsinangle);
+  fvx = -fixmul (fdh, fsinangle);
+  fvy = fixmul (fdh, fcosangle);
 
   /* Coordinates of corners in destination.  */
   point[0].dx = fixtoi (fx0 - fux - fvx);

Common/util/wgt2allg.h

@@ -23,13 +23,7 @@
 #ifndef __WGT4_H
 #define __WGT4_H
 
-#ifdef USE_ALLEGRO3
-#include <allegro3.h>
-#else
-#define ALLEGRO_NO_FIX_ALIASES
 #include "allegro.h"
-#endif
-
 #ifdef WINDOWS_VERSION
 #include "winalleg.h"
 #endif

Engine/Makefile-defs.linux

@@ -1,6 +1,6 @@
 INCDIR = ../Engine ../Common ../Common/libinclude ../Plugins
 LIBDIR =
-CFLAGS := -O2 -g -fsigned-char -Wfatal-errors -DNDEBUG -DAGS_RUNTIME_PATCH_ALLEGRO -DAGS_HAS_CD_AUDIO -DAGS_CASE_SENSITIVE_FILESYSTEM -D_FILE_OFFSET_BITS=64 -DHAVE_FSEEKO -DALLEGRO_STATICLINK -DLINUX_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT $(shell pkg-config --cflags freetype2) $(CFLAGS)
+CFLAGS := -O2 -g -fsigned-char -Wfatal-errors -DNDEBUG -DALLEGRO_NO_FIX_ALIASES -DAGS_RUNTIME_PATCH_ALLEGRO -DAGS_HAS_CD_AUDIO -DAGS_CASE_SENSITIVE_FILESYSTEM -D_FILE_OFFSET_BITS=64 -DHAVE_FSEEKO -DALLEGRO_STATICLINK -DLINUX_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT $(shell pkg-config --cflags freetype2) $(CFLAGS)
 CXXFLAGS := -std=c++11 -fno-rtti -Wno-write-strings $(CXXFLAGS)
 LIBS := -rdynamic -laldmb -ldumb -Wl,-Bdynamic
 LIBS += $(shell pkg-config --libs allegro)

Engine/Makefile-defs.osx

@@ -1,6 +1,6 @@
 INCDIR = ../Engine ../Common ../Common/libinclude ../Plugins /sw/include /sw/lib/freetype2/include /sw/lib/freetype2/include/freetype2
 LIBDIR = /sw/lib /sw/lib/freetype2/lib
-CFLAGS = -m32 -O2 -g -Wfatal-errors -DNDEBUG -DAGS_RUNTIME_PATCH_ALLEGRO -DALLEGRO_STATICLINK -D_FILE_OFFSET_BITS=64 -DHAVE_FSEEKO -DMAC_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT
+CFLAGS = -m32 -O2 -g -Wfatal-errors -DNDEBUG -DALLEGRO_NO_FIX_ALIASES -DAGS_RUNTIME_PATCH_ALLEGRO -DALLEGRO_STATICLINK -D_FILE_OFFSET_BITS=64 -DHAVE_FSEEKO -DMAC_VERSION -DDISABLE_MPEG_AUDIO -DBUILTIN_PLUGINS -DRTLD_NEXT
 CXXFLAGS = -std=c++11 -fno-rtti -Wno-write-strings $(CXXFLAGS)
 ASFLAGS = $(CFLAGS)
 LIBS = -m32 -framework Cocoa -lalleg-main -lalleg -laldmb -ldumb -ltheora -logg -lvorbis -lvorbisfile -lfreetype -logg -lz -ldl -lpthread -lm -lc -lstdc++

Engine/Makefile-objs

@@ -67,6 +67,6 @@ ALOGG = libsrc/alogg/alogg.c
 
 APEG = libsrc/apeg-1.2.1/adisplay.c libsrc/apeg-1.2.1/getbits.c libsrc/apeg-1.2.1/getblk.c libsrc/apeg-1.2.1/gethdr.c libsrc/apeg-1.2.1/getpic.c libsrc/apeg-1.2.1/idct.c libsrc/apeg-1.2.1/motion.c libsrc/apeg-1.2.1/mpeg1dec.c libsrc/apeg-1.2.1/ogg.c libsrc/apeg-1.2.1/recon.c libsrc/apeg-1.2.1/audio/apegcommon.c libsrc/apeg-1.2.1/audio/aaudio.c libsrc/apeg-1.2.1/audio/dct64.c libsrc/apeg-1.2.1/audio/decode_1to1.c libsrc/apeg-1.2.1/audio/decode_2to1.c libsrc/apeg-1.2.1/audio/decode_4to1.c libsrc/apeg-1.2.1/audio/layer1.c libsrc/apeg-1.2.1/audio/layer2.c libsrc/apeg-1.2.1/audio/layer3.c libsrc/apeg-1.2.1/audio/mpg123.c libsrc/apeg-1.2.1/audio/readers.c libsrc/apeg-1.2.1/audio/tabinit.c libsrc/apeg-1.2.1/audio/vbrhead.c
 
-AASTR = ../Common/libsrc/aastr-0.1.1/AAROT.c ../Common/libsrc/aastr-0.1.1/aastr.c ../Common/libsrc/aastr-0.1.1/aautil.c
+AASTR = ../Common/libsrc/aastr-0.1.1/aarot.c ../Common/libsrc/aastr-0.1.1/aastr.c ../Common/libsrc/aastr-0.1.1/aautil.c
 
 AL_MIDI_PATCH = libsrc/allegro-4.2.2-agspatch/midi.c

Engine/Makefile.psp

@@ -33,7 +33,7 @@ OBJS = $(OBJS_C:.c=.o)
 
 INCDIR = ../Common ../Common/libinclude $(shell psp-config --pspdev-path)/psp/include/freetype2
 LIBDIR = ../PSP/lib
-CFLAGS = -O2 -g -G0 -msingle-float -ffast-math -Wfatal-errors -DALLEGRO_STATICLINK -DAGS_STRICT_ALIGNMENT -DAGS_INVERTED_COLOR_ORDER -DPSP_VERSION -DDISABLE_MPEG_AUDIO -DUSE_TREMOR
+CFLAGS = -O2 -g -G0 -msingle-float -ffast-math -Wfatal-errors -DALLEGRO_STATICLINK -DALLEGRO_NO_FIX_ALIASES -DAGS_STRICT_ALIGNMENT -DAGS_INVERTED_COLOR_ORDER -DPSP_VERSION -DDISABLE_MPEG_AUDIO -DUSE_TREMOR
 CXXFLAGS = $(CFLAGS) -fno-rtti -Wno-write-strings
 ASFLAGS = $(CFLAGS)
 LIBS = -lalleg -lalleg-main -lfreetype -lz -lvorbisidec -ltheoradec -logg -lc -lstdc++ -lm

Solutions/Common.Lib/Common.Lib.vcxproj

@@ -123,7 +123,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -132,6 +132,7 @@
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Lib>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
@@ -142,14 +143,15 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Lib>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
@@ -160,14 +162,15 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;NO_MP3_PLAYER;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;NO_MP3_PLAYER;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Lib>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
@@ -178,14 +181,15 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Lib>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
@@ -195,7 +199,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -204,6 +208,7 @@
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Lib>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
@@ -245,6 +250,7 @@
     <ClCompile Include="..\..\Common\gui\guiobject.cpp" />
     <ClCompile Include="..\..\Common\gui\guislider.cpp" />
     <ClCompile Include="..\..\Common\gui\guitextbox.cpp" />
+    <ClCompile Include="..\..\Common\libsrc\aastr-0.1.1\aarot.c" />
     <ClCompile Include="..\..\Common\libsrc\aastr-0.1.1\aastr.c" />
     <ClCompile Include="..\..\Common\libsrc\aastr-0.1.1\aautil.c" />
     <ClCompile Include="..\..\Common\script\cc_error.cpp" />

Solutions/Common.Lib/Common.Lib.vcxproj.filters

@@ -269,6 +269,9 @@
     <ClCompile Include="..\..\Common\game\roomstruct.cpp">
       <Filter>Source Files\game</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\Common\libsrc\aastr-0.1.1\aarot.c">
+      <Filter>Library Sources\aastr</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\Common\ac\audiocliptype.h">

Solutions/Engine.App/Engine.App.vcxproj

@@ -76,7 +76,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Engine;..\..\Plugins;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -85,6 +85,7 @@
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Link>
       <AdditionalDependencies>Common_d.lib;alleg-debug-static-mt.lib;alfont_mt_d.lib;ddraw.lib;dinput.lib;dsound.lib;dxguid.lib;d3d9.lib;amstrmid.lib;quartz.lib;shlwapi.lib;winmm.lib;opengl32.lib;libogg_static.lib;libvorbis_static.lib;libvorbisfile_static.lib;libtheora_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -101,14 +102,15 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Engine;..\..\Plugins;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Link>
       <AdditionalDependencies>Common.lib;alleg-static-mt.lib;alfont_mt.lib;ddraw.lib;dinput.lib;dsound.lib;dxguid.lib;d3d9.lib;amstrmid.lib;quartz.lib;shlwapi.lib;winmm.lib;opengl32.lib;libogg_static.lib;libvorbis_static.lib;libvorbisfile_static.lib;libtheora_static.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -130,14 +132,15 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\Common;..\..\Common\libinclude;..\..\Engine;..\..\Plugins;..\..\Windows\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;NO_MP3_PLAYER;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;ALLEGRO_STATICLINK;ALLEGRO_NO_FIX_ALIASES;WINDOWS_VERSION;DISABLE_MPEG_AUDIO;AGS_HAS_CD_AUDIO;NO_MP3_PLAYER;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader />
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <DisableSpecificWarnings>4996;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <TreatSpecificWarningsAsErrors>4013</TreatSpecificWarningsAsErrors>
     </ClCompile>
     <Link>
       <AdditionalDependencies>Common.lib;alleg-static-mt.lib;alfont_mt.lib;ddraw.lib;dinput.lib;dsound.lib;dxguid.lib;d3d9.lib;amstrmid.lib;quartz.lib;shlwapi.lib;winmm.lib;opengl32.lib;libogg_static.lib;libvorbis_static.lib;libvorbisfile_static.lib;libtheora_static.lib;%(AdditionalDependencies)</AdditionalDependencies>