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diff --git a/materialsystem/stdshaders/teeth_vs20.fxc b/materialsystem/stdshaders/teeth_vs20.fxc
new file mode 100644
index 0000000..9a9ab04
--- /dev/null
+++ b/materialsystem/stdshaders/teeth_vs20.fxc
@@ -0,0 +1,127 @@
+//======= Copyright � 1996-2006, Valve Corporation, All rights reserved. ======
+
+//	STATIC: "INTRO"						"0..1"
+//  STATIC: "USE_STATIC_CONTROL_FLOW"	"0..1" [vs20]
+
+//	DYNAMIC: "COMPRESSED_VERTS"			"0..1"
+//	DYNAMIC: "DOWATERFOG"				"0..1"
+//	DYNAMIC: "SKINNING"					"0..1"
+//	DYNAMIC: "DYNAMIC_LIGHT"			"0..1"
+//	DYNAMIC: "STATIC_LIGHT"				"0..1"
+//  DYNAMIC: "MORPHING"					"0..1" [vs30]
+//  DYNAMIC: "NUM_LIGHTS"				"0..2" [vs20]
+
+// If using static control flow on Direct3D, we should use the NUM_LIGHTS=0 combo
+//  SKIP: $USE_STATIC_CONTROL_FLOW && ( $NUM_LIGHTS > 0 ) [vs20]
+
+#include "vortwarp_vs20_helper.h"
+
+static const int g_FogType			= DOWATERFOG;
+static const bool g_bSkinning		= SKINNING ? true : false;
+
+const float4 cTeethLighting			:  register( SHADER_SPECIFIC_CONST_0 );
+#if INTRO
+const float4 const4	:  register( SHADER_SPECIFIC_CONST_1 );
+#define g_Time const4.w
+#define modelOrigin const4.xyz
+#endif
+
+#ifdef SHADER_MODEL_VS_3_0
+// NOTE: cMorphTargetTextureDim.xy = target dimensions,
+//		 cMorphTargetTextureDim.z = 4tuples/morph
+const float3 cMorphTargetTextureDim			: register( SHADER_SPECIFIC_CONST_6 );
+const float4 cMorphSubrect					: register( SHADER_SPECIFIC_CONST_7 );
+
+sampler2D morphSampler : register( D3DVERTEXTEXTURESAMPLER0, s0 );
+#endif
+
+struct VS_INPUT
+{
+	// This is all of the stuff that we ever use.
+	float4 vPos				: POSITION;
+	float4 vBoneWeights		: BLENDWEIGHT;
+	float4 vBoneIndices		: BLENDINDICES;
+	float4 vNormal			: NORMAL;
+	float2 vTexCoord0		: TEXCOORD0;
+
+	// Position and normal/tangent deltas
+	float3 vPosFlex			: POSITION1;
+	float3 vNormalFlex		: NORMAL1;
+#ifdef SHADER_MODEL_VS_3_0
+	float vVertexID			: POSITION2;
+#endif
+};
+
+struct VS_OUTPUT
+{
+    float4 projPos			: POSITION;	
+#if !defined( _X360 )    
+	float  fog				: FOG;
+#endif
+	float2 baseTexCoord		: TEXCOORD0;
+	float3 vertAtten		: TEXCOORD1;
+	
+	float4 worldPos_projPosZ		: TEXCOORD7;		// Necessary for pixel fog
+};
+
+VS_OUTPUT main( const VS_INPUT v )
+{
+	VS_OUTPUT o = ( VS_OUTPUT )0;
+
+	bool bDynamicLight = DYNAMIC_LIGHT ? true : false;
+	bool bStaticLight = STATIC_LIGHT ? true : false;
+
+	float4 vPosition = v.vPos;
+	float3 vNormal;
+	DecompressVertex_Normal( v.vNormal, vNormal );
+
+#if !defined( SHADER_MODEL_VS_3_0 ) || !MORPHING
+	ApplyMorph( v.vPosFlex, v.vNormalFlex, vPosition.xyz, vNormal );
+#else
+	ApplyMorph( morphSampler, cMorphTargetTextureDim, cMorphSubrect, v.vVertexID, float3( 0, 0, 0 ), vPosition.xyz, vNormal );
+#endif
+
+	// Normalize the flexed normal
+	vNormal.xyz = normalize( vNormal.xyz );
+
+	// Transform the position
+	float3 worldPos, worldNormal;
+	SkinPositionAndNormal( g_bSkinning, vPosition, vNormal, v.vBoneWeights, v.vBoneIndices, worldPos, worldNormal );
+
+#if INTRO
+	float3 dummy = float3( 0.0f, 0.0f, 0.0f );
+	WorldSpaceVertexProcess( g_Time, modelOrigin, worldPos, worldNormal, dummy, dummy );
+#endif
+
+	// Transform into projection space
+	float4 vProjPos = mul( float4( worldPos, 1 ), cViewProj );
+	o.projPos = vProjPos;
+	vProjPos.z = dot( float4( worldPos, 1 ), cViewProjZ );
+
+	o.worldPos_projPosZ = float4( worldPos.xyz, vProjPos.z );
+#if !defined( _X360 )
+	// Set fixed-function fog factor
+	o.fog = CalcFog( worldPos, vProjPos, g_FogType );
+#endif
+
+	// Compute lighting
+#if ( USE_STATIC_CONTROL_FLOW ) || defined ( SHADER_MODEL_VS_3_0 )
+	float3 linearColor = DoLighting( worldPos, worldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, false );
+#else
+	float3 linearColor = DoLightingUnrolled( worldPos, worldNormal, float3(0.0f, 0.0f, 0.0f), bStaticLight, bDynamicLight, false, NUM_LIGHTS );
+#endif
+
+	// Forward vector
+	float3 vForward = cTeethLighting.xyz;
+	float fIllumFactor = cTeethLighting.w;
+
+	// Darken by forward dot normal and illumination factor
+	linearColor *= fIllumFactor * saturate( dot( worldNormal, vForward ) );	
+
+	o.vertAtten = linearColor;
+	o.baseTexCoord = v.vTexCoord0;
+
+	return o;
+}
+
+