Added sprite alpha and frame limit

PlatformSDL.cpp

@@ -254,7 +254,7 @@ PlatformSDL::PlatformSDL() :
     animTilesSurface = IMG_Load("animtiles.png");
 #ifdef PLATFORM_SPRITE_SUPPORT
     spritesSurface = IMG_Load("spritesalpha.png");
-    SDL_SetColorKey(spritesSurface, SDL_TRUE, 16);
+    SDL_SetColorKey(spritesSurface, SDL_TRUE, SDL_MapRGB(spritesSurface->format, 255, 0, 255));
 #endif
 #endif
 #ifdef PLATFORM_CURSOR_SUPPORT

WindowsProject/WindowsProject.vcxproj

@@ -122,7 +122,7 @@ CP ../SDL_src/VC/SDL2_image/lib/x64/SDL2_image.dll ../x64/Debug/</Command>
       <AdditionalIncludeDirectories>..\SDL_src\VC\SDL2_image\include;..\SDL_src\VC\SDL2\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>SDL2.lib;SDL2main.lib;SDL2_image.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>..\SDL_src\VC\SDL2\lib\x64;..\SDL_src\VC\SDL2_image\lib\x64;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -161,6 +161,7 @@ CP ../SDL_src/VC/SDL2_image/lib/x64/SDL2_image.dll ../x64/Debug/</Command>
     <ClInclude Include="..\PlatformSDL.h" />
     <ClInclude Include="..\PT2.3A_replay_cia.h" />
     <ClInclude Include="framework.h" />
+    <ClInclude Include="resource.h" />
     <ClInclude Include="targetver.h" />
   </ItemGroup>
   <ItemGroup>
@@ -169,6 +170,13 @@ CP ../SDL_src/VC/SDL2_image/lib/x64/SDL2_image.dll ../x64/Debug/</Command>
     <ClCompile Include="..\PlatformSDL.cpp" />
     <ClCompile Include="..\PT2.3A_replay_cia.cpp" />
   </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="Resource.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="..\icon.ico" />
+    <Image Include="..\icon.png" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>

WindowsProject/WindowsProject.vcxproj.filters

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="..\petrobots.cpp" />
+    <ClCompile Include="..\Platform.cpp" />
+    <ClCompile Include="..\PlatformSDL.cpp" />
+    <ClCompile Include="..\PT2.3A_replay_cia.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\petrobots.h" />
+    <ClInclude Include="..\Platform.h" />
+    <ClInclude Include="..\PlatformSDL.h" />
+    <ClInclude Include="..\PT2.3A_replay_cia.h" />
+    <ClInclude Include="framework.h" />
+    <ClInclude Include="targetver.h" />
+    <ClInclude Include="resource.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="Resource.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="..\icon.png" />
+    <Image Include="..\icon.ico" />
+  </ItemGroup>
+</Project>

WindowsProject/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Resource.rc
+//
+#define IDI_ICON1                       102
+
+// Next default values for new objects
+// 
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        103
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif

petrobots.cpp

@@ -389,6 +389,18 @@ uint8_t CLOCK_ACTIVE = 0;
 uint8_t INACTIVE_SECONDS = 0;
 #endif
 
+Uint32 next_time;
+Uint32 time_left(void)
+{
+    Uint32 now;
+
+    now = SDL_GetTicks();
+    if (next_time <= now)
+        return 0;
+    else
+        return next_time - now;
+}
+
 // This routine spaces out the timers so that not everything
 // is running out once. It also starts the game_clock.
 void SET_INITIAL_TIMERS()
@@ -694,6 +706,8 @@ void MAIN_GAME_LOOP()
                 break;
             }
         }
+        SDL_Delay(time_left()); // limit FPS on computers and mobile devices. Causes issues on game consoles and web.
+        next_time += TICK_INTERVAL;
     }
 }
 

petrobots.h

@@ -7,6 +7,8 @@
 #define MAP_WINDOW_WIDTH (PLATFORM_MAP_WINDOW_TILES_WIDTH * 24)
 #define MAP_WINDOW_HEIGHT (PLATFORM_MAP_WINDOW_TILES_HEIGHT * 24)
 
+#define TICK_INTERVAL 120
+
 // MAP FILES CONSIST OF EVERYTHING FROM THIS POINT ON
 extern uint8_t MAP_DATA[8960];
 #define UNIT_TYPE MAP_DATA  // Unit type 0=none (64 bytes)