Enabled Appveyor Windows CI builds (#57)

Client/core/CDirect3DHook9.cpp

@@ -87,8 +87,10 @@ IDirect3D9* CDirect3DHook9::API_Direct3DCreate9 ( UINT SDKVersion )
     #if D3DX_SDK_VERSION != 42
         WriteDebugEvent( "D3DX_SDK_VERSION incorrect " QUOTE_DEFINE( D3DX_SDK_VERSION ) );
         #pragma message( "WARNING: Microsoft DirectX SDK (August 2009) includes missing" )
-        #ifndef MTA_DEBUG
-            #error "Microsoft DirectX SDK (August 2009) includes missing"
+        #ifndef CI_BUILD
+            #ifndef MTA_DEBUG
+                #error "Microsoft DirectX SDK (August 2009) includes missing"
+            #endif
         #endif
     #endif
     if ( !D3DXCheckVersion( D3D_SDK_VERSION, D3DX_SDK_VERSION ) )

appveyor.yml

@@ -0,0 +1,14 @@
+version: 1.6-{build}-ci
+os: Visual Studio 2015
+
+configuration:
+  - Release
+
+before_build:
+  - utils\premake5 vs2013
+
+clone_depth: 1
+
+build:
+  parallel: true
+  project: Build/MTASA.sln

premake5.lua

@@ -4,6 +4,8 @@ require "compose_files"
 require "install_data"
 require "install_resources"
 
+CI_BUILD = os.getenv("CI"):lower() == "true"
+
 workspace "MTASA"
 	configurations {"Debug", "Release", "Nightly"}
 	platforms { "x86", "x64"}
@@ -40,11 +42,14 @@ workspace "MTASA"
 		defines { "MTA_DEBUG" }
 		targetsuffix "_d"
 
-	-- Skip Optimization in CI Builds for build speed
-	if os.getenv("CONTINUOUS_INTEGRATION") ~= "true" then
-	filter "configurations:Release or configurations:Nightly"
-		flags { "Optimize" }
-	end
+	if not CI_BUILD then
+		-- Only optimize outside of CI Builds
+		filter "configurations:Release or configurations:Nightly"
+			flags { "Optimize" }
+	else
+		filter {}
+			defines { "CI_BUILD=1" }
+	end 
 
 	filter {"system:windows", "configurations:Nightly", "kind:not StaticLib"}
 		os.mkdir("Build/Symbols")