From 5cd391a31b9758408f997c0c6d85a4f5f18c8be1 Mon Sep 17 00:00:00 2001
From: Kyle Sanderson <kyle.leet@gmail.com>
Date: Sat, 5 Mar 2016 17:32:16 -0800
Subject: [PATCH] Add SteamWorks_SendMessageToGC (untested as well).

---
 Extension/AMBuilder          |  1 +
 Extension/extension.cpp      |  2 ++
 Extension/extension.h        |  2 ++
 Extension/gcnatives.cpp      | 53 ++++++++++++++++++++++++++++++++++++
 Extension/gcnatives.h        | 36 ++++++++++++++++++++++++
 Pawn/includes/SteamWorks.inc |  2 ++
 6 files changed, 96 insertions(+)
 create mode 100644 Extension/gcnatives.cpp
 create mode 100644 Extension/gcnatives.h

diff --git a/Extension/AMBuilder b/Extension/AMBuilder
index 64a0ae4..61c7815 100644
--- a/Extension/AMBuilder
+++ b/Extension/AMBuilder
@@ -11,6 +11,7 @@ project.sources += [
   'swgshooks.cpp',
   'swgsdetours.cpp',
   'ssnatives.cpp',
+  'gcnatives.cpp',
   'swhttp.cpp',
   'swhttprequest.cpp',
   'swgchooks.cpp',
diff --git a/Extension/extension.cpp b/Extension/extension.cpp
index b0c2d75..aa6a4e0 100644
--- a/Extension/extension.cpp
+++ b/Extension/extension.cpp
@@ -56,11 +56,13 @@ bool SteamWorks::SDK_OnLoad(char *error, size_t maxlength, bool late)
 	this->pGSDetours = new SteamWorksGSDetours;
 	this->pSSNatives = new SteamWorksSSNatives;
 	this->pGCHooks = new SteamWorksGCHooks;
+	this->pGCNatives = new SteamWorksGCNatives;
 	return true;
 }
 
 void SteamWorks::SDK_OnUnload()
 {
+	delete this->pGCNatives;
 	delete this->pGCHooks;
 	delete this->pSSNatives;
 	delete this->pGSDetours;
diff --git a/Extension/extension.h b/Extension/extension.h
index ea96b49..87858fa 100644
--- a/Extension/extension.h
+++ b/Extension/extension.h
@@ -49,6 +49,7 @@
 #include "swgshooks.h"
 #include "swgchooks.h"
 #include "ssnatives.h"
+#include "gcnatives.h"
 #include "swgsdetours.h"
 #include "swhttp.h"
 
@@ -144,6 +145,7 @@ public:
 	SteamWorksHTTP *pSWHTTP;
 	SteamWorksHTTPNatives *pSWHTTPNatives;
 	SteamWorksGCHooks *pGCHooks;
+	SteamWorksGCNatives *pGCNatives;
 };
 
 extern SteamWorks g_SteamWorks;
diff --git a/Extension/gcnatives.cpp b/Extension/gcnatives.cpp
new file mode 100644
index 0000000..7ae0540
--- /dev/null
+++ b/Extension/gcnatives.cpp
@@ -0,0 +1,53 @@
+/*
+    This file is part of SourcePawn SteamWorks.
+
+    SourcePawn SteamWorks is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, as per version 3 of the License.
+
+    SourcePawn SteamWorks is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with SourcePawn SteamWorks.  If not, see <http://www.gnu.org/licenses/>.
+	
+	Author: Kyle Sanderson (KyleS).
+*/
+
+#include "gcnatives.h"
+
+static ISteamGameCoordinator *GetSteamGCPointer(void)
+{
+	return g_SteamWorks.pSWGameServer->GetGameCoordinator();
+}
+
+static cell_t sm_GCSendMessage(IPluginContext *pContext, const cell_t *params)
+{
+	ISteamGameCoordinator *pGC = GetSteamGCPointer();
+	if (pGC == NULL)
+	{
+		return static_cast<cell_t>(k_EGCResultNotLoggedOn);
+	}
+
+	char *pData;
+	pContext->LocalToString(params[2], &pData);
+
+	return static_cast<cell_t>(pGC->SendMessage(params[1], pData, params[3]));
+}
+
+static sp_nativeinfo_t gcnatives[] = {
+	{"SteamWorks_SendMessageToGC",				sm_GCSendMessage},
+	{NULL,											NULL}
+};
+
+SteamWorksGCNatives::SteamWorksGCNatives()
+{
+	sharesys->AddNatives(myself, gcnatives);
+}
+
+SteamWorksGCNatives::~SteamWorksGCNatives()
+{
+	/* We tragically can't remove ourselves... hopefully no one uses this class, you know, like a class. */
+}
diff --git a/Extension/gcnatives.h b/Extension/gcnatives.h
new file mode 100644
index 0000000..c1bbe92
--- /dev/null
+++ b/Extension/gcnatives.h
@@ -0,0 +1,36 @@
+/*
+    This file is part of SourcePawn SteamWorks.
+
+    SourcePawn SteamWorks is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, as per version 3 of the License.
+
+    SourcePawn SteamWorks is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with SourcePawn SteamWorks.  If not, see <http://www.gnu.org/licenses/>.
+	
+	Author: Kyle Sanderson (KyleS).
+*/
+
+#pragma once
+#include "steam_gameserver.h"
+#include "isteamgamecoordinator.h"
+
+#include "smsdk_ext.h"
+
+#ifdef _WIN32
+#undef SendMessage
+#endif
+
+class SteamWorksGCNatives
+{
+	public:
+		SteamWorksGCNatives();
+		~SteamWorksGCNatives();
+};
+
+#include "extension.h"
\ No newline at end of file
diff --git a/Pawn/includes/SteamWorks.inc b/Pawn/includes/SteamWorks.inc
index 738d0ff..69461d4 100644
--- a/Pawn/includes/SteamWorks.inc
+++ b/Pawn/includes/SteamWorks.inc
@@ -299,6 +299,8 @@ forward EGCResults:SteamWorks_GCSendMessage(unMsgType, const String:pubData[], c
 forward SteamWorks_GCMsgAvailable(cubData);
 forward EGCResults:SteamWorks_GCRetreiveMessage(punMsgType, const String:pubDest[], cubDest, pcubMsgSize);
 
+native EGCResults:SteamWorks_SendMessageToGC(unMsgType, const String:pubData[], cubData);
+
 public Extension:__ext_SteamWorks = 
 {
 	name = "SteamWorks",