7 files changed, 45 insertions, 8 deletions

diff --git a/src/core/FileLoader.cpp b/src/core/FileLoader.cpp
index 22e0159c..20e7bd8e 100644
--- a/src/core/FileLoader.cpp
+++ b/src/core/FileLoader.cpp
@@ -670,6 +670,7 @@ char *DoubleSidedNames[] = {
 	"sbwy_tunl_cstm3",
 	"sbwy_tunl_cstm2",
 	"sbwy_tunl_cstm1",
+	"tenmnt6ad",
 	""
 
 };
diff --git a/src/core/main.cpp b/src/core/main.cpp
index 7d59307c..58db2d34 100644
--- a/src/core/main.cpp
+++ b/src/core/main.cpp
@@ -1333,11 +1333,13 @@ void
 RenderEffects_new(void)
 {
 	PUSH_RENDERGROUP("RenderEffects_new");
+/*	// stupid to do this before the whole world is drawn!
 	CShadows::RenderStaticShadows();
 	// CRenderer::GenerateEnvironmentMap
 	CShadows::RenderStoredShadows();
 	CSkidmarks::Render();
 	CRubbish::Render();
+*/
 
 	// these aren't really effects
 	DefinedState();
@@ -1360,6 +1362,13 @@ if(gbRenderFadingInEntities)
 	CRenderer::RenderFadingInEntities();
 
 	// actual effects here
+
+	// from above
+	CShadows::RenderStaticShadows();
+	CShadows::RenderStoredShadows();
+	CSkidmarks::Render();
+	CRubbish::Render();
+
 	CGlass::Render();
 	// CMattRenderer::ResetRenderStates
 	DefinedState();
diff --git a/src/extras/custompipes_d3d9.cpp b/src/extras/custompipes_d3d9.cpp
index dad42b33..8b984448 100644
--- a/src/extras/custompipes_d3d9.cpp
+++ b/src/extras/custompipes_d3d9.cpp
@@ -568,6 +568,7 @@ struct BuildingInst
 {
 	rw::RawMatrix combinedMat;
 	rw::d3d9::InstanceDataHeader *instHeader;
+	uint32 cullMode;
 	uint8 fadeAlpha;
 	bool lighting;
 };
@@ -612,6 +613,7 @@ AtomicFirstPass(RpAtomic *atomic, int pass)
 	assert(building->instHeader->platform == PLATFORM_D3D9);
 	building->fadeAlpha = 255;
 	building->lighting = !!(atomic->geometry->flags & rw::Geometry::LIGHT);
+	building->cullMode = rw::GetRenderState(rw::CULLMODE);
 	rw::uint32 flags = atomic->geometry->flags;
 
 	bool setupDone = false;
@@ -630,6 +632,7 @@ AtomicFirstPass(RpAtomic *atomic, int pass)
 
 		// alright we're rendering this atomic
 		if(!setupDone){
+			rw::SetRenderState(rw::CULLMODE, building->cullMode);
 			setStreamSource(0, building->instHeader->vertexStream[0].vertexBuffer, 0, building->instHeader->vertexStream[0].stride);
 			setIndices(building->instHeader->indexBuffer);
 			setVertexDeclaration(building->instHeader->vertexDeclaration);
@@ -671,6 +674,7 @@ AtomicFullyTransparent(RpAtomic *atomic, int pass, int fadeAlpha)
 	assert(building->instHeader->platform == PLATFORM_D3D9);
 	building->fadeAlpha = fadeAlpha;
 	building->lighting = !!(atomic->geometry->flags & rw::Geometry::LIGHT);
+	building->cullMode = rw::GetRenderState(rw::CULLMODE);
 	SetMatrix(building, atomic->getFrame()->getLTM());
 	numBlendInsts[pass]++;
 }
@@ -688,6 +692,7 @@ RenderBlendPass(int pass)
 	for(i = 0; i < numBlendInsts[pass]; i++){
 		BuildingInst *building = &blendInsts[pass][i];
 
+		rw::SetRenderState(rw::CULLMODE, building->cullMode);
 		setStreamSource(0, building->instHeader->vertexStream[0].vertexBuffer, 0, building->instHeader->vertexStream[0].stride);
 		setIndices(building->instHeader->indexBuffer);
 		setVertexDeclaration(building->instHeader->vertexDeclaration);
diff --git a/src/extras/custompipes_gl.cpp b/src/extras/custompipes_gl.cpp
index 040bf686..23a2a931 100644
--- a/src/extras/custompipes_gl.cpp
+++ b/src/extras/custompipes_gl.cpp
@@ -595,6 +595,7 @@ struct BuildingInst
 {
 	rw::Matrix matrix;
 	rw::gl3::InstanceDataHeader *instHeader;
+	uint32 cullMode;
 	uint8 fadeAlpha;
 	bool lighting;
 };
@@ -627,6 +628,7 @@ AtomicFirstPass(RpAtomic *atomic, int pass)
 	assert(building->instHeader->platform == PLATFORM_GL3);
 	building->fadeAlpha = 255;
 	building->lighting = !!(atomic->geometry->flags & rw::Geometry::LIGHT);
+	building->cullMode = rw::GetRenderState(rw::CULLMODE);
 	rw::uint32 flags = atomic->geometry->flags;
 
 	WorldLights lights;
@@ -654,6 +656,7 @@ AtomicFirstPass(RpAtomic *atomic, int pass)
 
 		// alright we're rendering this atomic
 		if(!setupDone){
+			rw::SetRenderState(rw::CULLMODE, building->cullMode);
 			defaultShader->use();
 			setWorldMatrix(&building->matrix);
 			setupVertexInput(building->instHeader);
@@ -686,6 +689,7 @@ AtomicFullyTransparent(RpAtomic *atomic, int pass, int fadeAlpha)
 	assert(building->instHeader->platform == PLATFORM_GL3);
 	building->fadeAlpha = fadeAlpha;
 	building->lighting = !!(atomic->geometry->flags & rw::Geometry::LIGHT);
+	building->cullMode = rw::GetRenderState(rw::CULLMODE);
 	building->matrix = *atomic->getFrame()->getLTM();
 	numBlendInsts[pass]++;
 }
@@ -706,6 +710,7 @@ RenderBlendPass(int pass)
 	for(i = 0; i < numBlendInsts[pass]; i++){
 		BuildingInst *building = &blendInsts[pass][i];
 
+		rw::SetRenderState(rw::CULLMODE, building->cullMode);
 		setupVertexInput(building->instHeader);
 		setWorldMatrix(&building->matrix);
 		if(building->lighting)
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 165ef235..b131e6c3 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -82,14 +82,6 @@ CVehicle *CRenderer::m_pFirstPersonVehicle;
 bool CRenderer::m_loadingPriority;
 float CRenderer::ms_lodDistScale = 1.2f;
 
-#ifdef EXTRA_MODEL_FLAGS
-#define BACKFACE_CULLING_ON SetCullMode(rwCULLMODECULLBACK)
-#define BACKFACE_CULLING_OFF SetCullMode(rwCULLMODECULLNONE)
-#else
-#define BACKFACE_CULLING_ON
-#define BACKFACE_CULLING_OFF
-#endif
-
 // unused
 BlockedRange CRenderer::aBlockedRanges[16];
 BlockedRange *CRenderer::pFullBlockedRanges;
@@ -442,6 +434,14 @@ CRenderer::RenderOneBuilding(CEntity *ent, float camdist)
 	RpAtomic *atomic = (RpAtomic*)ent->m_rwObject;
 	CSimpleModelInfo *mi = (CSimpleModelInfo*)CModelInfo::GetModelInfo(ent->GetModelIndex());
 
+#ifdef EXTRA_MODEL_FLAGS
+	bool resetCull = false;
+	if(!ent->IsBuilding() || mi->RenderDoubleSided()){
+		resetCull = true;
+		BACKFACE_CULLING_OFF;
+	}
+#endif
+
 	int pass = PASS_BLEND;
 	if(mi->m_additive)	// very questionable
 		pass = PASS_ADD;
@@ -471,6 +471,11 @@ CRenderer::RenderOneBuilding(CEntity *ent, float camdist)
 	}else
 		WorldRender::AtomicFirstPass(atomic, pass);
 
+#ifdef EXTRA_MODEL_FLAGS
+	if(resetCull)
+		BACKFACE_CULLING_ON;
+#endif
+
 	ent->bImBeingRendered = false;	// TODO: this seems wrong, but do we even need it?
 }
 
@@ -482,6 +487,7 @@ CRenderer::RenderWorld(int pass)
 	CLink<CVisibilityPlugins::AlphaObjectInfo> *node;
 
 	RwRenderStateSet(rwRENDERSTATEFOGENABLE, (void*)TRUE);
+	BACKFACE_CULLING_ON;
 	DeActivateDirectional();
 	SetAmbientColours();
 
diff --git a/src/render/Renderer.h b/src/render/Renderer.h
index 35b43a0b..0322939c 100644
--- a/src/render/Renderer.h
+++ b/src/render/Renderer.h
@@ -10,6 +10,14 @@ class CEntity;
 #define FADE_DISTANCE 20.0f
 #define STREAM_DISTANCE 30.0f
 
+#ifdef EXTRA_MODEL_FLAGS
+#define BACKFACE_CULLING_ON SetCullMode(rwCULLMODECULLBACK)
+#define BACKFACE_CULLING_OFF SetCullMode(rwCULLMODECULLNONE)
+#else
+#define BACKFACE_CULLING_ON
+#define BACKFACE_CULLING_OFF
+#endif
+
 extern bool gbShowPedRoadGroups;
 extern bool gbShowCarRoadGroups;
 extern bool gbShowCollisionPolys;
diff --git a/src/rw/VisibilityPlugins.cpp b/src/rw/VisibilityPlugins.cpp
index 9ea5b11c..7ff5c243 100644
--- a/src/rw/VisibilityPlugins.cpp
+++ b/src/rw/VisibilityPlugins.cpp
@@ -303,6 +303,8 @@ CVisibilityPlugins::RenderFadingEntities(void)
 #ifdef EXTRA_MODEL_FLAGS
 		else if(mi->m_bIsTree)
 			SetAlphaRef(128);
+		if(!e->IsBuilding() || mi->RenderDoubleSided())
+			BACKFACE_CULLING_OFF;
 #endif
 
 		if(e->bDistanceFade){
@@ -319,6 +321,7 @@ CVisibilityPlugins::RenderFadingEntities(void)
 #ifdef EXTRA_MODEL_FLAGS
 		if(mi->m_bIsTree)
 			SetAlphaRef(2);
+		BACKFACE_CULLING_ON;
 #endif
 #ifdef FIX_BUGS
 		if(mi->GetModelType() == MITYPE_SIMPLE && mi->m_noZwrite)