From 0f2d7aa234463a3100cfcd80540f9d65fd407e3d Mon Sep 17 00:00:00 2001
From: Nicholas Hastings <skamonkey@gmail.com>
Date: Mon, 4 Mar 2013 10:38:17 -0500
Subject: [PATCH] Added support for Dota 2 (bug 5640).

---
 AMBuildScript                  | 9 ++++++---
 core/ISmmPluginExt.h           | 1 +
 core/metamod_console.cpp       | 2 ++
 core/provider/provider_ep2.cpp | 6 ++++--
 loader/loader.cpp              | 8 ++++++--
 loader/loader.h                | 1 +
 6 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/AMBuildScript b/AMBuildScript
index b7bb62f..1b4181b 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -31,6 +31,8 @@ class MMS:
 		                              'name': 'EYE', 'platform': ['windows']}
 		self.possibleSdks['csgo'] =   {'sdk': 'HL2SDKCSGO',      'ext': '2.csgo', 'def': '12',
 		                              'name': 'CSGO', 'platform': ['windows', 'linux', 'darwin']}
+		self.possibleSdks['dota'] =   {'sdk': 'HL2SDKDOTA',      'ext': '2.dota', 'def': '13',
+		                              'name': 'DOTA', 'platform': ['windows']}
 		# self.possibleSdks['portal2'] =   {'sdk': 'HL2SDK-PORTAL2',      'ext': '2.portal2', 'def': '11',
 		#                               'name': 'PORTAL2', 'platform': ['windows']}
 		
@@ -58,6 +60,7 @@ class MMS:
 				envvars['HL2SDK-SWARM'] = 'hl2sdk-swarm'
 				envvars['HL2SDK-BGT']   = 'hl2sdk-bgt'
 				envvars['HL2SDK-EYE']   = 'hl2sdk-eye'
+				envvars['HL2SDK-DOTA']   = 'hl2sdk-dota'
 
 			# Finds if a dict with `key` set to `value` is present on the dict of dicts `dictionary`
 			def findDictByKey(dictionary, key, value):
@@ -309,7 +312,7 @@ class MMS:
 					job.AddCommand(SymlinkCommand(link, target))
 		elif AMBuild.target['platform'] == 'windows':
 			libs = ['tier0', 'tier1', 'vstdlib']
-			if sdk in ['swarm', 'csgo']:
+			if sdk in ['swarm', 'csgo', 'dota']:
 				libs.append('interfaces')
 			for lib in libs:
 				libPath = os.path.join(sdkPath, 'lib', 'public', lib) + '.lib'
@@ -319,7 +322,7 @@ class MMS:
 	def PostSetupHL2Job(self, job, builder, sdk):
 		if AMBuild.target['platform'] in ['linux', 'darwin']:
 			builder.AddObjectFiles(['tier1_i486.a'])
-			if( sdk == 'csgo' ):
+			if( sdk in ['csgo', 'dota'] ):
 				builder.AddObjectFiles(['interfaces_i486.a'])
 
 	def DefaultHL2Compiler(self, path, sdk, noLink = False):
@@ -351,7 +354,7 @@ class MMS:
 
 		compiler['CDEFINES'].append('SOURCE_ENGINE=' + info['def'])
 
-		if sdk in ['swarm', 'csgo']:
+		if sdk in ['swarm', 'csgo', 'dota']:
 			if AMBuild.target['platform'] == 'windows':
 				compiler['CDEFINES'].extend(['COMPILER_MSVC', 'COMPILER_MSVC32'])
 			else:
diff --git a/core/ISmmPluginExt.h b/core/ISmmPluginExt.h
index 50fab8f..b9c3339 100644
--- a/core/ISmmPluginExt.h
+++ b/core/ISmmPluginExt.h
@@ -56,6 +56,7 @@ enum
 #define SOURCE_ENGINE_PORTAL2			11				/**< Portal 2 */
 #define SOURCE_ENGINE_CSGO				12				/**< Counter-Strike: Global Offensive */
 #define SOURCE_ENGINE_CSS				13				/**< Counter-Strike: Source (sometimes older version of Orange Box Valve) */
+#define SOURCE_ENGINE_DOTA				14				/**< Dota 2 */
 
 #define METAMOD_PLAPI_VERSION			15				/**< Version of this header file */
 #define METAMOD_PLAPI_NAME				"ISmmPlugin"	/**< Name of the plugin interface */
diff --git a/core/metamod_console.cpp b/core/metamod_console.cpp
index ff4c552..3f17162 100644
--- a/core/metamod_console.cpp
+++ b/core/metamod_console.cpp
@@ -133,6 +133,8 @@ bool Command_Meta(IMetamodSourceCommandInfo *info)
 			CONMSG("  Engine: Portal 2 (2011)\n");
 #elif SOURCE_ENGINE == SE_CSGO
 			CONMSG("  Engine: Counter-Strike: Global Offensive (2012)\n");
+#elif SOURCE_ENGINE == SE_DOTA
+			CONMSG("  Engine: Dota 2 (2013)\n");
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif
diff --git a/core/provider/provider_ep2.cpp b/core/provider/provider_ep2.cpp
index 960f057..40578b5 100644
--- a/core/provider/provider_ep2.cpp
+++ b/core/provider/provider_ep2.cpp
@@ -315,7 +315,7 @@ void BaseProvider::UnregisterConCommandBase(ConCommandBase *pCommand)
 
 int BaseProvider::GetUserMessageCount()
 {
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 	return -1;
 #else
 	return (int)usermsgs_list.size();
@@ -383,6 +383,8 @@ int BaseProvider::DetermineSourceEngine(const char *game)
 	return SOURCE_ENGINE_PORTAL2;
 #elif SOURCE_ENGINE == SE_CSGO
 	return SOURCE_ENGINE_CSGO;
+#elif SOURCE_ENGINE == SE_DOTA
+	return SOURCE_ENGINE_DOTA;
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif
@@ -526,7 +528,7 @@ void ClientCommand(edict_t *pEdict)
 	RETURN_META(MRES_IGNORED);
 }
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 
 void CacheUserMessages()
 {
diff --git a/loader/loader.cpp b/loader/loader.cpp
index 2ee8eef..7f3cc71 100644
--- a/loader/loader.cpp
+++ b/loader/loader.cpp
@@ -81,7 +81,8 @@ static const char *backend_names[] =
 	"2.l4d2",
 	"2.swarm",
 	"2.portal2",
-	"2.csgo"
+	"2.csgo",
+	"2.dota",
 };
 
 #if defined _WIN32
@@ -281,7 +282,10 @@ mm_DetermineBackend(QueryValveInterface engineFactory, const char *game_name)
 	/* Check for L4D */
 	if (engineFactory("VEngineServer023", NULL) != NULL)
 	{
-		return MMBackend_CSGO;
+		if (engineFactory("ISERVERPLUGINHELPERS001", NULL) != NULL)
+			return MMBackend_CSGO;
+		else
+			return MMBackend_DOTA;
 	}
 	else if (engineFactory("VEngineServer022", NULL) != NULL &&
 		engineFactory("VEngineCvar007", NULL) != NULL)
diff --git a/loader/loader.h b/loader/loader.h
index 9544c57..3cdadaa 100644
--- a/loader/loader.h
+++ b/loader/loader.h
@@ -92,6 +92,7 @@ enum MetamodBackend
 	MMBackend_AlienSwarm,
 	MMBackend_Portal2,
 	MMBackend_CSGO,
+	MMBackend_DOTA,
 	MMBackend_UNKNOWN
 };