From ae995e24bfc9516ab408be7b5c497f3a23042f14 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Mon, 10 Apr 2023 01:24:51 +0100
Subject: [PATCH] compat: Support for GMod mini-source-sdk

---
 .github/workflows/artifacts.yml         |  2 +-
 vphysics_jolt/compat/branch_overrides.h |  9 +++++++
 vphysics_jolt/vjolt_surfaceprops.cpp    | 32 +++++++++++++++++++++++++
 vphysics_jolt/vjolt_surfaceprops.h      |  7 ++++++
 4 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/artifacts.yml b/.github/workflows/artifacts.yml
index 37c8c8e..951cfa1 100644
--- a/.github/workflows/artifacts.yml
+++ b/.github/workflows/artifacts.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        source_branch: [sdk2013-sp, sdk2013-mp, asw]
+        source_branch: [sdk2013-sp, sdk2013-mp, asw, gmod]
 
     runs-on: windows-2022
 
diff --git a/vphysics_jolt/compat/branch_overrides.h b/vphysics_jolt/compat/branch_overrides.h
index 05a5c09..956548c 100644
--- a/vphysics_jolt/compat/branch_overrides.h
+++ b/vphysics_jolt/compat/branch_overrides.h
@@ -10,6 +10,15 @@
 #define override_not_csgo override
 #endif
 
+// GMod SDK2013 x86 branch
+#if defined( GAME_GMOD )
+#define override_gmod override
+#define override_not_gmod
+#else
+#define override_gmod
+#define override_not_gmod override
+#endif
+
 #if defined( GAME_CSGO ) || defined( GAME_DESOLATION ) || defined( GAME_PORTAL2 )
 #define GAME_PORTAL2_OR_NEWER
 #define override_portal2 override
diff --git a/vphysics_jolt/vjolt_surfaceprops.cpp b/vphysics_jolt/vjolt_surfaceprops.cpp
index 2dea9af..8e1289a 100644
--- a/vphysics_jolt/vjolt_surfaceprops.cpp
+++ b/vphysics_jolt/vjolt_surfaceprops.cpp
@@ -234,6 +234,38 @@ KeyValues *JoltPhysicsSurfaceProps::SurfacePropsToKeyValues( const char *pszBuff
 
 //-------------------------------------------------------------------------------------------------
 
+void *JoltPhysicsSurfaceProps::GetIVPMaterial( int nIndex )
+{
+	Log_Stub( LOG_VJolt );
+	return nullptr;
+}
+
+int JoltPhysicsSurfaceProps::GetIVPMaterialIndex( const void *pMaterial ) const
+{
+	Log_Stub( LOG_VJolt );
+	return (int)(uintp)( pMaterial );
+}
+
+void *JoltPhysicsSurfaceProps::GetIVPManager( void )
+{
+	Log_Stub( LOG_VJolt );
+	return nullptr;
+}
+
+int JoltPhysicsSurfaceProps::RemapIVPMaterialIndex( int nIndex ) const
+{
+	Log_Stub( LOG_VJolt );
+	return nIndex;
+}
+
+const char *JoltPhysicsSurfaceProps::GetReservedMaterialName( int nMaterialIndex ) const
+{
+	Log_Stub( LOG_VJolt );
+	return "default";
+}
+
+//-------------------------------------------------------------------------------------------------
+
 JoltPhysicsMaterialIndexSaveOps JoltPhysicsMaterialIndexSaveOps::s_Instance;
 
 void JoltPhysicsMaterialIndexSaveOps::Save( const SaveRestoreFieldInfo_t &fieldInfo, ISave *pSave )
diff --git a/vphysics_jolt/vjolt_surfaceprops.h b/vphysics_jolt/vjolt_surfaceprops.h
index a4dc6d7..9d6103d 100644
--- a/vphysics_jolt/vjolt_surfaceprops.h
+++ b/vphysics_jolt/vjolt_surfaceprops.h
@@ -43,6 +43,13 @@ public:
 
 	ISaveRestoreOps		*GetMaterialIndexDataOps() const override_portal2;
 
+	// GMod-specific internal gubbins that was exposed in the public interface.
+	void				*GetIVPMaterial( int nIndex ) override_gmod;
+	int					GetIVPMaterialIndex( const void *pMaterial ) const override_gmod;
+	void				*GetIVPManager( void ) override_gmod;
+	int					RemapIVPMaterialIndex( int nIndex ) const override_gmod;
+	const char 			*GetReservedMaterialName( int nMaterialIndex ) const override_gmod;
+
 public:
 	static JoltPhysicsSurfaceProps& GetInstance() { return s_PhysicsSurfaceProps; }