64-bit support for CSGO on Linux and macOS (#705)

extensions/cstrike/AMBuilder

@@ -11,14 +11,24 @@ project.sources += [
   'util_cstrike.cpp',
   '../../public/smsdk_ext.cpp',
   '../../public/CDetour/detours.cpp',
-  '../../public/asm/asm.c'
+  '../../public/asm/asm.c',
+  '../../public/libudis86/decode.c',
+  '../../public/libudis86/itab.c',
+  '../../public/libudis86/syn-att.c',
+  '../../public/libudis86/syn-intel.c',
+  '../../public/libudis86/syn.c',
+  '../../public/libudis86/udis86.c',
 ]
+project.compiler.defines += ['HAVE_STRING_H'];
 
 for sdk_name in ['css', 'csgo']:
   if sdk_name not in SM.sdks:
     continue
   sdk = SM.sdks[sdk_name]
-  
-  SM.HL2Config(project, 'game.cstrike.ext.' + sdk.ext, sdk)
+  for arch in SM.archs:
+    if not arch in sdk.platformSpec[builder.target.platform]:
+      continue
+
+    SM.HL2Config(project, 'game.cstrike.ext.' + sdk.ext, sdk, arch)
 
 SM.extensions += builder.Add(project)

extensions/cstrike/itemdef-hash.h

@@ -18,7 +18,11 @@ struct HashItemDef_Node
 class CHashItemDef
 {
 public:
+#ifdef PLATFORM_X86
 	unsigned char padding[36];
+#else
+	unsigned char padding[56];
+#endif
 	HashItemDef_Node *pMem;
 	int nAllocatedCount;
 	int nGrowSize;

extensions/cstrike/util_cstrike.cpp

@@ -192,9 +192,9 @@ CEconItemSchema *GetItemSchema()
 	void *pSchema = NULL;
 	pWrapper->Execute(NULL, &pSchema);
 
-	//In windows this is actually ItemSystem() + 4 is ItemSchema
-#ifdef WIN32
-	return (CEconItemSchema *)((intptr_t)pSchema + 4);
+	//On windows/mac this is actually ItemSystem() + sizeof(void *) is ItemSchema
+#if defined(PLATFORM_WINDOWS) || defined(PLATFORM_APPLE)
+	return (CEconItemSchema *)((intptr_t)pSchema + sizeof(void *));
 #else
 	return (CEconItemSchema *)pSchema;
 #endif