UWP rework (#1231)

* First draft of UWP rework.

* Read desc

- Moved UWP specific functions to uwp_events.h
- Removed BaseApp.
- Implemented example UWP lifecycle.

* Added GIF recording and screenshot support.

* Character inputs and filesystem stuff

* Fix game closing on Xbox when B is pressed.

* Fix the gamepad binding hack

* Add as many keys as I believe are possible.

* Implemented mouse locking of a sort.

* Remove rogue todo, the rest are for a game dev using this example.

* Implemented touch how I "think" it should work. I cant test this.

* Review.

projects/VS2017.UWP/raylib.UWP/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="ANGLE.WindowsStore" version="2.1.13" targetFramework="native" />
+</packages>

projects/VS2017.UWP/raylib.UWP/raylib.UWP.vcxproj

@@ -42,6 +42,7 @@
     <ClInclude Include="..\..\..\src\raymath.h" />
     <ClInclude Include="..\..\..\src\rlgl.h" />
     <ClInclude Include="..\..\..\src\utils.h" />
+    <ClInclude Include="..\..\..\src\uwp_events.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\src\core.c" />
@@ -52,6 +53,9 @@
     <ClCompile Include="..\..\..\src\textures.c" />
     <ClCompile Include="..\..\..\src\utils.c" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <ProjectGuid>{ea91e088-7c71-4f32-b761-e054305cd519}</ProjectGuid>
     <Keyword>StaticLibrary</Keyword>
@@ -60,7 +64,7 @@
     <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
-    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.15063.0</WindowsTargetPlatformMinVersion>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
   </PropertyGroup>
@@ -158,7 +162,7 @@
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <CompileAsWinRT>false</CompileAsWinRT>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;GRAPHICS_API_OPENGL_ES2;PLATFORM_UWP;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>SUPPORT_GIF_RECORDING;_CRT_SECURE_NO_WARNINGS;GRAPHICS_API_OPENGL_ES2;PLATFORM_UWP;_UNICODE;UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(SolutionDir)packages\ANGLE.WindowsStore.2.1.13\Include;$(GeneratedFilesDir);$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
@@ -239,5 +243,12 @@
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
+    <Import Project="..\packages\ANGLE.WindowsStore.2.1.13\build\native\ANGLE.WindowsStore.targets" Condition="Exists('..\packages\ANGLE.WindowsStore.2.1.13\build\native\ANGLE.WindowsStore.targets')" />
   </ImportGroup>
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\packages\ANGLE.WindowsStore.2.1.13\build\native\ANGLE.WindowsStore.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\ANGLE.WindowsStore.2.1.13\build\native\ANGLE.WindowsStore.targets'))" />
+  </Target>
 </Project>

projects/VS2017.UWP/raylib.UWP/raylib.UWP.vcxproj.filters

@@ -16,6 +16,7 @@
     <ClInclude Include="..\..\..\src\external\stb_rect_pack.h" />
     <ClInclude Include="..\..\..\src\external\stb_truetype.h" />
     <ClInclude Include="..\..\..\src\external\stb_vorbis.h" />
+    <ClInclude Include="..\..\..\src\uwp_events.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\src\core.c" />
@@ -26,4 +27,7 @@
     <ClCompile Include="..\..\..\src\textures.c" />
     <ClCompile Include="..\..\..\src\utils.c" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
 </Project>