Fix line endings. WHAMMY.

1 files changed, 371 insertions, 371 deletions

diff --git a/mp/src/public/istudiorender.h b/mp/src/public/istudiorender.h
index 64935bba..f0af6115 100644
--- a/mp/src/public/istudiorender.h
+++ b/mp/src/public/istudiorender.h
@@ -1,371 +1,371 @@
-//========= Copyright Valve Corporation, All rights reserved. ============//

-//

-// Purpose: 

-//

-// $NoKeywords: $

-//===========================================================================//

-

-#ifndef ISTUDIORENDER_H

-#define ISTUDIORENDER_H

-#ifdef _WIN32

-#pragma once

-#endif

-

-#include "tier1/interface.h"

-#include "mathlib/vector.h"

-#include "mathlib/vector4d.h"

-#include "tier1/utlbuffer.h"

-#include "tier1/utlvector.h"

-#include "materialsystem/imaterial.h"

-#include "materialsystem/imaterialsystem.h"

-#include "appframework/IAppSystem.h"

-#include "datacache/imdlcache.h"

-#include "studio.h"

-

-

-//-----------------------------------------------------------------------------

-// forward declarations

-//-----------------------------------------------------------------------------

-struct studiohdr_t;

-struct studiomeshdata_t;

-class Vector;

-struct LightDesc_t;

-class IMaterial;

-struct studiohwdata_t;

-struct Ray_t;

-class Vector4D;

-class IMaterialSystem;

-struct matrix3x4_t;

-class IMesh;

-struct vertexFileHeader_t;

-struct FlashlightState_t;

-class VMatrix;

-namespace OptimizedModel { struct FileHeader_t; }

-class IPooledVBAllocator;

-

-// undone: what's the standard for function type naming?

-typedef void (*StudioRender_Printf_t)( PRINTF_FORMAT_STRING const char *fmt, ... );

-

-struct StudioRenderConfig_t

-{

-	float fEyeShiftX;	// eye X position

-	float fEyeShiftY;	// eye Y position

-	float fEyeShiftZ;	// eye Z position

-	float fEyeSize;		// adjustment to iris textures

-	float fEyeGlintPixelWidthLODThreshold;

-

-	int maxDecalsPerModel;

-	int drawEntities;

-	int skin;

-	int fullbright;

-

-	bool bEyeMove : 1;		// look around

-	bool bSoftwareSkin : 1;

-	bool bNoHardware : 1;

-	bool bNoSoftware : 1;

-	bool bTeeth : 1;

-	bool bEyes : 1;

-	bool bFlex : 1;

-	bool bWireframe : 1;

-	bool bDrawNormals : 1;

-	bool bDrawTangentFrame : 1;

-	bool bDrawZBufferedWireframe : 1;

-	bool bSoftwareLighting : 1;

-	bool bShowEnvCubemapOnly : 1;

-	bool bWireframeDecals : 1;

-

-	// Reserved for future use

-	int m_nReserved[4];

-};

-

-

-

-//-----------------------------------------------------------------------------

-// Studio render interface

-//-----------------------------------------------------------------------------

-DECLARE_POINTER_HANDLE( StudioDecalHandle_t );

-#define STUDIORENDER_DECAL_INVALID  ( (StudioDecalHandle_t)0 )

-

-enum

-{

-	ADDDECAL_TO_ALL_LODS = -1

-};

-

-

-//-----------------------------------------------------------------------------

-// DrawModel flags

-//-----------------------------------------------------------------------------

-enum

-{

-	STUDIORENDER_DRAW_ENTIRE_MODEL		= 0,

-	STUDIORENDER_DRAW_OPAQUE_ONLY		= 0x01,

-	STUDIORENDER_DRAW_TRANSLUCENT_ONLY	= 0x02,

-	STUDIORENDER_DRAW_GROUP_MASK		= 0x03,

-

-	STUDIORENDER_DRAW_NO_FLEXES			= 0x04,

-	STUDIORENDER_DRAW_STATIC_LIGHTING	= 0x08,

-

-	STUDIORENDER_DRAW_ACCURATETIME		= 0x10,		// Use accurate timing when drawing the model.

-	STUDIORENDER_DRAW_NO_SHADOWS		= 0x20,

-	STUDIORENDER_DRAW_GET_PERF_STATS	= 0x40,

-

-	STUDIORENDER_DRAW_WIREFRAME			= 0x80,

-

-	STUDIORENDER_DRAW_ITEM_BLINK		= 0x100,

-

-	STUDIORENDER_SHADOWDEPTHTEXTURE		= 0x200,

-

-	STUDIORENDER_SSAODEPTHTEXTURE				= 0x1000,

-

-	STUDIORENDER_GENERATE_STATS					= 0x8000,

-};

-

-

-//-----------------------------------------------------------------------------

-// Standard model vertex formats

-//-----------------------------------------------------------------------------

-// FIXME: remove these (materials/shaders should drive vertex format). Need to

-//        list required forcedmaterialoverrides in models/bsps (rather than

-//        all models supporting all possible overrides, as they do currently).

-#define VERTEX_TEXCOORD0_2D ( ( (uint64) 2 ) << ( TEX_COORD_SIZE_BIT + ( 3*0 ) ) )

-enum MaterialVertexFormat_t

-{

-	MATERIAL_VERTEX_FORMAT_MODEL_SKINNED		= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_BONEWEIGHT(2) | VERTEX_BONE_INDEX | VERTEX_USERDATA_SIZE(4),

-	MATERIAL_VERTEX_FORMAT_MODEL_SKINNED_DX7	= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_BONEWEIGHT(2) | VERTEX_BONE_INDEX,

-	MATERIAL_VERTEX_FORMAT_MODEL				= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_USERDATA_SIZE(4),

-	MATERIAL_VERTEX_FORMAT_MODEL_DX7			= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D,

-	MATERIAL_VERTEX_FORMAT_COLOR				= (VertexFormat_t) VERTEX_SPECULAR

-};

-

-

-//-----------------------------------------------------------------------------

-// What kind of material override is it?

-//-----------------------------------------------------------------------------

-enum OverrideType_t

-{

-	OVERRIDE_NORMAL = 0,

-	OVERRIDE_BUILD_SHADOWS,

-	OVERRIDE_DEPTH_WRITE,

-	OVERRIDE_SSAO_DEPTH_WRITE,

-};

-

-

-//-----------------------------------------------------------------------------

-// DrawModel info

-//-----------------------------------------------------------------------------

-

-// Special flag for studio models that have a compiled in shadow lod version

-// It's negative 2 since positive numbers == use a regular slot and -1 means

-//  have studiorender compute a value instead

-enum

-{

-	USESHADOWLOD = -2,

-};

-

-// beyond this number of materials, you won't get info back from DrawModel

-#define MAX_DRAW_MODEL_INFO_MATERIALS 8

-

-struct DrawModelResults_t

-{

-	int m_ActualTriCount; 

-	int m_TextureMemoryBytes;

-	int m_NumHardwareBones;

-	int m_NumBatches;

-	int m_NumMaterials;

-	int m_nLODUsed;

-	int m_flLODMetric;

-	CFastTimer m_RenderTime;

-	CUtlVectorFixed<IMaterial *,MAX_DRAW_MODEL_INFO_MATERIALS> m_Materials;

-};

-

-struct ColorMeshInfo_t

-{

-	// A given color mesh can own a unique Mesh, or it can use a shared Mesh

-	// (in which case it uses a sub-range defined by m_nVertOffset and m_nNumVerts)

-	IMesh				*	m_pMesh;

-	IPooledVBAllocator	*	m_pPooledVBAllocator;

-	int						m_nVertOffsetInBytes;

-	int						m_nNumVerts;

-};

-

-struct DrawModelInfo_t

-{

-	studiohdr_t		*m_pStudioHdr;

-	studiohwdata_t	*m_pHardwareData;

-	StudioDecalHandle_t m_Decals;

-	int				m_Skin;

-	int				m_Body;

-	int				m_HitboxSet;

-	void			*m_pClientEntity;

-	int				m_Lod;

-	ColorMeshInfo_t	*m_pColorMeshes;

-	bool			m_bStaticLighting;

-	Vector			m_vecAmbientCube[6];		// ambient, and lights that aren't in locallight[]

-	int				m_nLocalLightCount;

-	LightDesc_t		m_LocalLightDescs[4];

-};

-

-struct GetTriangles_Vertex_t

-{

-	Vector m_Position;

-	Vector m_Normal;

-	Vector4D m_TangentS;

-	Vector2D m_TexCoord;

-	Vector4D m_BoneWeight;

-	int m_BoneIndex[4];

-	int m_NumBones;

-};

-

-struct GetTriangles_MaterialBatch_t

-{

-	IMaterial *m_pMaterial;

-	CUtlVector<GetTriangles_Vertex_t> m_Verts;

-	CUtlVector<int> m_TriListIndices;

-};

-

-struct GetTriangles_Output_t

-{

-	CUtlVector<GetTriangles_MaterialBatch_t> m_MaterialBatches;

-	matrix3x4_t m_PoseToWorld[MAXSTUDIOBONES];

-};

-

-

-struct model_array_instance_t 

-{

-	matrix3x4_t		modelToWorld;

-

-	// UNDONE: Per instance lighting values?

-};

-

-//-----------------------------------------------------------------------------

-// Cache Callback Function

-// implementation can either statically persist data (tools) or lru cache (engine) it.

-// caller returns base pointer to resident data.

-// code expectes data to be dynamic and invokes cache callback prior to iterative access.

-// virtualModel is member passed in via studiohdr_t and passed back for model identification.

-//-----------------------------------------------------------------------------

-#define STUDIO_DATA_CACHE_INTERFACE_VERSION "VStudioDataCache005"

- 

-abstract_class IStudioDataCache : public IAppSystem

-{

-public:

-	virtual bool VerifyHeaders( studiohdr_t *pStudioHdr ) = 0;

-	virtual vertexFileHeader_t *CacheVertexData( studiohdr_t *pStudioHdr ) = 0;

-};

-

-

-//-----------------------------------------------------------------------------

-// Studio render interface

-//-----------------------------------------------------------------------------

-#define STUDIO_RENDER_INTERFACE_VERSION "VStudioRender025"

-

-abstract_class IStudioRender : public IAppSystem

-{

-public:

-	virtual void BeginFrame( void ) = 0;

-	virtual void EndFrame( void ) = 0;

-

-	// Used for the mat_stub console command.

-	virtual void Mat_Stub( IMaterialSystem *pMatSys ) = 0;

-

-	// Updates the rendering configuration 

-	virtual void UpdateConfig( const StudioRenderConfig_t& config ) = 0;

-	virtual void GetCurrentConfig( StudioRenderConfig_t& config ) = 0;

-

-	// Load, unload model data

-	virtual bool LoadModel( studiohdr_t *pStudioHdr, void *pVtxData, studiohwdata_t	*pHardwareData ) = 0;

-	virtual void UnloadModel( studiohwdata_t *pHardwareData ) = 0;

-

-	// Refresh the studiohdr since it was lost...

-	virtual void RefreshStudioHdr( studiohdr_t* pStudioHdr, studiohwdata_t* pHardwareData ) = 0;

-

-	// This is needed to do eyeglint and calculate the correct texcoords for the eyes.

-	virtual void SetEyeViewTarget( const studiohdr_t *pStudioHdr, int nBodyIndex, const Vector& worldPosition ) = 0;

-		

-	// Methods related to lighting state

-	// NOTE: SetAmbientLightColors assumes that the arraysize is the same as 

-	// returned from GetNumAmbientLightSamples

-	virtual int GetNumAmbientLightSamples() = 0;

-	virtual const Vector *GetAmbientLightDirections() = 0;

-	virtual void SetAmbientLightColors( const Vector4D *pAmbientOnlyColors ) = 0;

-	virtual void SetAmbientLightColors( const Vector *pAmbientOnlyColors ) = 0;

-	virtual void SetLocalLights( int numLights, const LightDesc_t *pLights ) = 0;

-

-	// Sets information about the camera location + orientation

-	virtual void SetViewState( const Vector& viewOrigin, const Vector& viewRight, 

-		const Vector& viewUp, const Vector& viewPlaneNormal ) = 0;

-	

-	// Allocates flex weights for use in rendering

-	// NOTE: Pass in a non-null second parameter to lock delayed flex weights

-	virtual void LockFlexWeights( int nWeightCount, float **ppFlexWeights, float **ppFlexDelayedWeights = NULL ) = 0;

-	virtual void UnlockFlexWeights() = 0;

-	

-	// Used to allocate bone matrices to be used to pass into DrawModel

-	virtual matrix3x4_t* LockBoneMatrices( int nBoneCount ) = 0;

-	virtual void UnlockBoneMatrices() = 0;

-	

-	// LOD stuff

-	virtual int GetNumLODs( const studiohwdata_t &hardwareData ) const = 0;

-	virtual float GetLODSwitchValue( const studiohwdata_t &hardwareData, int lod ) const = 0;

-	virtual void SetLODSwitchValue( studiohwdata_t &hardwareData, int lod, float switchValue ) = 0;

-

-	// Sets the color/alpha modulation

-	virtual void SetColorModulation( float const* pColor ) = 0;

-	virtual void SetAlphaModulation( float flAlpha ) = 0;

-	

-	// Draws the model

-	virtual void DrawModel( DrawModelResults_t *pResults, const DrawModelInfo_t& info, 

-		matrix3x4_t *pBoneToWorld, float *pFlexWeights, float *pFlexDelayedWeights, const Vector &modelOrigin, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;

-

-	// Methods related to static prop rendering

-	virtual void DrawModelStaticProp( const DrawModelInfo_t& drawInfo, const matrix3x4_t &modelToWorld, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;

-	virtual void DrawStaticPropDecals( const DrawModelInfo_t &drawInfo, const matrix3x4_t &modelToWorld ) = 0;

-	virtual void DrawStaticPropShadows( const DrawModelInfo_t &drawInfo, const matrix3x4_t &modelToWorld, int flags ) = 0;

-

-	// Causes a material to be used instead of the materials the model was compiled with

-	virtual void ForcedMaterialOverride( IMaterial *newMaterial, OverrideType_t nOverrideType = OVERRIDE_NORMAL ) = 0;

-

-	// Create, destroy list of decals for a particular model

-	virtual StudioDecalHandle_t CreateDecalList( studiohwdata_t *pHardwareData ) = 0;

-	virtual void DestroyDecalList( StudioDecalHandle_t handle ) = 0;

-

-	// Add decals to a decal list by doing a planar projection along the ray

-	// The BoneToWorld matrices must be set before this is called

-	virtual void AddDecal( StudioDecalHandle_t handle, studiohdr_t *pStudioHdr, matrix3x4_t *pBoneToWorld, 

-		const Ray_t & ray, const Vector& decalUp, IMaterial* pDecalMaterial, float radius, int body, bool noPokethru = false, int maxLODToDecal = ADDDECAL_TO_ALL_LODS ) = 0;

-

-	// Compute the lighting at a point and normal

-	virtual void ComputeLighting( const Vector* pAmbient, int lightCount,

-		LightDesc_t* pLights, const Vector& pt, const Vector& normal, Vector& lighting ) = 0;

-

-	// Compute the lighting at a point, constant directional component is passed

-	// as flDirectionalAmount

-	virtual void ComputeLightingConstDirectional( const Vector* pAmbient, int lightCount,

-		LightDesc_t* pLights, const Vector& pt, const Vector& normal, Vector& lighting, float flDirectionalAmount ) = 0;

-

-	// Shadow state (affects the models as they are rendered)

-	virtual void AddShadow( IMaterial* pMaterial, void* pProxyData, FlashlightState_t *m_pFlashlightState = NULL, VMatrix *pWorldToTexture = NULL, ITexture *pFlashlightDepthTexture = NULL ) = 0;

-	virtual void ClearAllShadows() = 0;

-

-	// Gets the model LOD; pass in the screen size in pixels of a sphere 

-	// of radius 1 that has the same origin as the model to get the LOD out...

-	virtual int ComputeModelLod( studiohwdata_t* pHardwareData, float unitSphereSize, float *pMetric = NULL ) = 0;

-

-	// Return a number that is usable for budgets, etc.

-	// Things that we care about:

-	// 1) effective triangle count (factors in batch sizes, state changes, etc)

-	// 2) texture memory usage

-	// Get Triangles returns the LOD used

-	virtual void GetPerfStats( DrawModelResults_t *pResults, const DrawModelInfo_t &info, CUtlBuffer *pSpewBuf = NULL ) const = 0;

-	virtual void GetTriangles( const DrawModelInfo_t& info, matrix3x4_t *pBoneToWorld, GetTriangles_Output_t &out ) = 0;

-

-	// Returns materials used by a particular model

-	virtual int GetMaterialList( studiohdr_t *pStudioHdr, int count, IMaterial** ppMaterials ) = 0;

-	virtual int GetMaterialListFromBodyAndSkin( MDLHandle_t studio, int nSkin, int nBody, int nCountOutputMaterials, IMaterial** ppOutputMaterials ) = 0;

-	// draw an array of models with the same state

-	virtual void DrawModelArray( const DrawModelInfo_t &drawInfo, int arrayCount, model_array_instance_t *pInstanceData, int instanceStride, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;

-};

-

-extern IStudioRender *g_pStudioRender;

-

-#endif // ISTUDIORENDER_H

+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#ifndef ISTUDIORENDER_H
+#define ISTUDIORENDER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/interface.h"
+#include "mathlib/vector.h"
+#include "mathlib/vector4d.h"
+#include "tier1/utlbuffer.h"
+#include "tier1/utlvector.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialsystem.h"
+#include "appframework/IAppSystem.h"
+#include "datacache/imdlcache.h"
+#include "studio.h"
+
+
+//-----------------------------------------------------------------------------
+// forward declarations
+//-----------------------------------------------------------------------------
+struct studiohdr_t;
+struct studiomeshdata_t;
+class Vector;
+struct LightDesc_t;
+class IMaterial;
+struct studiohwdata_t;
+struct Ray_t;
+class Vector4D;
+class IMaterialSystem;
+struct matrix3x4_t;
+class IMesh;
+struct vertexFileHeader_t;
+struct FlashlightState_t;
+class VMatrix;
+namespace OptimizedModel { struct FileHeader_t; }
+class IPooledVBAllocator;
+
+// undone: what's the standard for function type naming?
+typedef void (*StudioRender_Printf_t)( PRINTF_FORMAT_STRING const char *fmt, ... );
+
+struct StudioRenderConfig_t
+{
+	float fEyeShiftX;	// eye X position
+	float fEyeShiftY;	// eye Y position
+	float fEyeShiftZ;	// eye Z position
+	float fEyeSize;		// adjustment to iris textures
+	float fEyeGlintPixelWidthLODThreshold;
+
+	int maxDecalsPerModel;
+	int drawEntities;
+	int skin;
+	int fullbright;
+
+	bool bEyeMove : 1;		// look around
+	bool bSoftwareSkin : 1;
+	bool bNoHardware : 1;
+	bool bNoSoftware : 1;
+	bool bTeeth : 1;
+	bool bEyes : 1;
+	bool bFlex : 1;
+	bool bWireframe : 1;
+	bool bDrawNormals : 1;
+	bool bDrawTangentFrame : 1;
+	bool bDrawZBufferedWireframe : 1;
+	bool bSoftwareLighting : 1;
+	bool bShowEnvCubemapOnly : 1;
+	bool bWireframeDecals : 1;
+
+	// Reserved for future use
+	int m_nReserved[4];
+};
+
+
+
+//-----------------------------------------------------------------------------
+// Studio render interface
+//-----------------------------------------------------------------------------
+DECLARE_POINTER_HANDLE( StudioDecalHandle_t );
+#define STUDIORENDER_DECAL_INVALID  ( (StudioDecalHandle_t)0 )
+
+enum
+{
+	ADDDECAL_TO_ALL_LODS = -1
+};
+
+
+//-----------------------------------------------------------------------------
+// DrawModel flags
+//-----------------------------------------------------------------------------
+enum
+{
+	STUDIORENDER_DRAW_ENTIRE_MODEL		= 0,
+	STUDIORENDER_DRAW_OPAQUE_ONLY		= 0x01,
+	STUDIORENDER_DRAW_TRANSLUCENT_ONLY	= 0x02,
+	STUDIORENDER_DRAW_GROUP_MASK		= 0x03,
+
+	STUDIORENDER_DRAW_NO_FLEXES			= 0x04,
+	STUDIORENDER_DRAW_STATIC_LIGHTING	= 0x08,
+
+	STUDIORENDER_DRAW_ACCURATETIME		= 0x10,		// Use accurate timing when drawing the model.
+	STUDIORENDER_DRAW_NO_SHADOWS		= 0x20,
+	STUDIORENDER_DRAW_GET_PERF_STATS	= 0x40,
+
+	STUDIORENDER_DRAW_WIREFRAME			= 0x80,
+
+	STUDIORENDER_DRAW_ITEM_BLINK		= 0x100,
+
+	STUDIORENDER_SHADOWDEPTHTEXTURE		= 0x200,
+
+	STUDIORENDER_SSAODEPTHTEXTURE				= 0x1000,
+
+	STUDIORENDER_GENERATE_STATS					= 0x8000,
+};
+
+
+//-----------------------------------------------------------------------------
+// Standard model vertex formats
+//-----------------------------------------------------------------------------
+// FIXME: remove these (materials/shaders should drive vertex format). Need to
+//        list required forcedmaterialoverrides in models/bsps (rather than
+//        all models supporting all possible overrides, as they do currently).
+#define VERTEX_TEXCOORD0_2D ( ( (uint64) 2 ) << ( TEX_COORD_SIZE_BIT + ( 3*0 ) ) )
+enum MaterialVertexFormat_t
+{
+	MATERIAL_VERTEX_FORMAT_MODEL_SKINNED		= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_BONEWEIGHT(2) | VERTEX_BONE_INDEX | VERTEX_USERDATA_SIZE(4),
+	MATERIAL_VERTEX_FORMAT_MODEL_SKINNED_DX7	= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_BONEWEIGHT(2) | VERTEX_BONE_INDEX,
+	MATERIAL_VERTEX_FORMAT_MODEL				= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D | VERTEX_USERDATA_SIZE(4),
+	MATERIAL_VERTEX_FORMAT_MODEL_DX7			= (VertexFormat_t) VERTEX_POSITION | VERTEX_COLOR | VERTEX_NORMAL | VERTEX_TEXCOORD0_2D,
+	MATERIAL_VERTEX_FORMAT_COLOR				= (VertexFormat_t) VERTEX_SPECULAR
+};
+
+
+//-----------------------------------------------------------------------------
+// What kind of material override is it?
+//-----------------------------------------------------------------------------
+enum OverrideType_t
+{
+	OVERRIDE_NORMAL = 0,
+	OVERRIDE_BUILD_SHADOWS,
+	OVERRIDE_DEPTH_WRITE,
+	OVERRIDE_SSAO_DEPTH_WRITE,
+};
+
+
+//-----------------------------------------------------------------------------
+// DrawModel info
+//-----------------------------------------------------------------------------
+
+// Special flag for studio models that have a compiled in shadow lod version
+// It's negative 2 since positive numbers == use a regular slot and -1 means
+//  have studiorender compute a value instead
+enum
+{
+	USESHADOWLOD = -2,
+};
+
+// beyond this number of materials, you won't get info back from DrawModel
+#define MAX_DRAW_MODEL_INFO_MATERIALS 8
+
+struct DrawModelResults_t
+{
+	int m_ActualTriCount; 
+	int m_TextureMemoryBytes;
+	int m_NumHardwareBones;
+	int m_NumBatches;
+	int m_NumMaterials;
+	int m_nLODUsed;
+	int m_flLODMetric;
+	CFastTimer m_RenderTime;
+	CUtlVectorFixed<IMaterial *,MAX_DRAW_MODEL_INFO_MATERIALS> m_Materials;
+};
+
+struct ColorMeshInfo_t
+{
+	// A given color mesh can own a unique Mesh, or it can use a shared Mesh
+	// (in which case it uses a sub-range defined by m_nVertOffset and m_nNumVerts)
+	IMesh				*	m_pMesh;
+	IPooledVBAllocator	*	m_pPooledVBAllocator;
+	int						m_nVertOffsetInBytes;
+	int						m_nNumVerts;
+};
+
+struct DrawModelInfo_t
+{
+	studiohdr_t		*m_pStudioHdr;
+	studiohwdata_t	*m_pHardwareData;
+	StudioDecalHandle_t m_Decals;
+	int				m_Skin;
+	int				m_Body;
+	int				m_HitboxSet;
+	void			*m_pClientEntity;
+	int				m_Lod;
+	ColorMeshInfo_t	*m_pColorMeshes;
+	bool			m_bStaticLighting;
+	Vector			m_vecAmbientCube[6];		// ambient, and lights that aren't in locallight[]
+	int				m_nLocalLightCount;
+	LightDesc_t		m_LocalLightDescs[4];
+};
+
+struct GetTriangles_Vertex_t
+{
+	Vector m_Position;
+	Vector m_Normal;
+	Vector4D m_TangentS;
+	Vector2D m_TexCoord;
+	Vector4D m_BoneWeight;
+	int m_BoneIndex[4];
+	int m_NumBones;
+};
+
+struct GetTriangles_MaterialBatch_t
+{
+	IMaterial *m_pMaterial;
+	CUtlVector<GetTriangles_Vertex_t> m_Verts;
+	CUtlVector<int> m_TriListIndices;
+};
+
+struct GetTriangles_Output_t
+{
+	CUtlVector<GetTriangles_MaterialBatch_t> m_MaterialBatches;
+	matrix3x4_t m_PoseToWorld[MAXSTUDIOBONES];
+};
+
+
+struct model_array_instance_t 
+{
+	matrix3x4_t		modelToWorld;
+
+	// UNDONE: Per instance lighting values?
+};
+
+//-----------------------------------------------------------------------------
+// Cache Callback Function
+// implementation can either statically persist data (tools) or lru cache (engine) it.
+// caller returns base pointer to resident data.
+// code expectes data to be dynamic and invokes cache callback prior to iterative access.
+// virtualModel is member passed in via studiohdr_t and passed back for model identification.
+//-----------------------------------------------------------------------------
+#define STUDIO_DATA_CACHE_INTERFACE_VERSION "VStudioDataCache005"
+ 
+abstract_class IStudioDataCache : public IAppSystem
+{
+public:
+	virtual bool VerifyHeaders( studiohdr_t *pStudioHdr ) = 0;
+	virtual vertexFileHeader_t *CacheVertexData( studiohdr_t *pStudioHdr ) = 0;
+};
+
+
+//-----------------------------------------------------------------------------
+// Studio render interface
+//-----------------------------------------------------------------------------
+#define STUDIO_RENDER_INTERFACE_VERSION "VStudioRender025"
+
+abstract_class IStudioRender : public IAppSystem
+{
+public:
+	virtual void BeginFrame( void ) = 0;
+	virtual void EndFrame( void ) = 0;
+
+	// Used for the mat_stub console command.
+	virtual void Mat_Stub( IMaterialSystem *pMatSys ) = 0;
+
+	// Updates the rendering configuration 
+	virtual void UpdateConfig( const StudioRenderConfig_t& config ) = 0;
+	virtual void GetCurrentConfig( StudioRenderConfig_t& config ) = 0;
+
+	// Load, unload model data
+	virtual bool LoadModel( studiohdr_t *pStudioHdr, void *pVtxData, studiohwdata_t	*pHardwareData ) = 0;
+	virtual void UnloadModel( studiohwdata_t *pHardwareData ) = 0;
+
+	// Refresh the studiohdr since it was lost...
+	virtual void RefreshStudioHdr( studiohdr_t* pStudioHdr, studiohwdata_t* pHardwareData ) = 0;
+
+	// This is needed to do eyeglint and calculate the correct texcoords for the eyes.
+	virtual void SetEyeViewTarget( const studiohdr_t *pStudioHdr, int nBodyIndex, const Vector& worldPosition ) = 0;
+		
+	// Methods related to lighting state
+	// NOTE: SetAmbientLightColors assumes that the arraysize is the same as 
+	// returned from GetNumAmbientLightSamples
+	virtual int GetNumAmbientLightSamples() = 0;
+	virtual const Vector *GetAmbientLightDirections() = 0;
+	virtual void SetAmbientLightColors( const Vector4D *pAmbientOnlyColors ) = 0;
+	virtual void SetAmbientLightColors( const Vector *pAmbientOnlyColors ) = 0;
+	virtual void SetLocalLights( int numLights, const LightDesc_t *pLights ) = 0;
+
+	// Sets information about the camera location + orientation
+	virtual void SetViewState( const Vector& viewOrigin, const Vector& viewRight, 
+		const Vector& viewUp, const Vector& viewPlaneNormal ) = 0;
+	
+	// Allocates flex weights for use in rendering
+	// NOTE: Pass in a non-null second parameter to lock delayed flex weights
+	virtual void LockFlexWeights( int nWeightCount, float **ppFlexWeights, float **ppFlexDelayedWeights = NULL ) = 0;
+	virtual void UnlockFlexWeights() = 0;
+	
+	// Used to allocate bone matrices to be used to pass into DrawModel
+	virtual matrix3x4_t* LockBoneMatrices( int nBoneCount ) = 0;
+	virtual void UnlockBoneMatrices() = 0;
+	
+	// LOD stuff
+	virtual int GetNumLODs( const studiohwdata_t &hardwareData ) const = 0;
+	virtual float GetLODSwitchValue( const studiohwdata_t &hardwareData, int lod ) const = 0;
+	virtual void SetLODSwitchValue( studiohwdata_t &hardwareData, int lod, float switchValue ) = 0;
+
+	// Sets the color/alpha modulation
+	virtual void SetColorModulation( float const* pColor ) = 0;
+	virtual void SetAlphaModulation( float flAlpha ) = 0;
+	
+	// Draws the model
+	virtual void DrawModel( DrawModelResults_t *pResults, const DrawModelInfo_t& info, 
+		matrix3x4_t *pBoneToWorld, float *pFlexWeights, float *pFlexDelayedWeights, const Vector &modelOrigin, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;
+
+	// Methods related to static prop rendering
+	virtual void DrawModelStaticProp( const DrawModelInfo_t& drawInfo, const matrix3x4_t &modelToWorld, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;
+	virtual void DrawStaticPropDecals( const DrawModelInfo_t &drawInfo, const matrix3x4_t &modelToWorld ) = 0;
+	virtual void DrawStaticPropShadows( const DrawModelInfo_t &drawInfo, const matrix3x4_t &modelToWorld, int flags ) = 0;
+
+	// Causes a material to be used instead of the materials the model was compiled with
+	virtual void ForcedMaterialOverride( IMaterial *newMaterial, OverrideType_t nOverrideType = OVERRIDE_NORMAL ) = 0;
+
+	// Create, destroy list of decals for a particular model
+	virtual StudioDecalHandle_t CreateDecalList( studiohwdata_t *pHardwareData ) = 0;
+	virtual void DestroyDecalList( StudioDecalHandle_t handle ) = 0;
+
+	// Add decals to a decal list by doing a planar projection along the ray
+	// The BoneToWorld matrices must be set before this is called
+	virtual void AddDecal( StudioDecalHandle_t handle, studiohdr_t *pStudioHdr, matrix3x4_t *pBoneToWorld, 
+		const Ray_t & ray, const Vector& decalUp, IMaterial* pDecalMaterial, float radius, int body, bool noPokethru = false, int maxLODToDecal = ADDDECAL_TO_ALL_LODS ) = 0;
+
+	// Compute the lighting at a point and normal
+	virtual void ComputeLighting( const Vector* pAmbient, int lightCount,
+		LightDesc_t* pLights, const Vector& pt, const Vector& normal, Vector& lighting ) = 0;
+
+	// Compute the lighting at a point, constant directional component is passed
+	// as flDirectionalAmount
+	virtual void ComputeLightingConstDirectional( const Vector* pAmbient, int lightCount,
+		LightDesc_t* pLights, const Vector& pt, const Vector& normal, Vector& lighting, float flDirectionalAmount ) = 0;
+
+	// Shadow state (affects the models as they are rendered)
+	virtual void AddShadow( IMaterial* pMaterial, void* pProxyData, FlashlightState_t *m_pFlashlightState = NULL, VMatrix *pWorldToTexture = NULL, ITexture *pFlashlightDepthTexture = NULL ) = 0;
+	virtual void ClearAllShadows() = 0;
+
+	// Gets the model LOD; pass in the screen size in pixels of a sphere 
+	// of radius 1 that has the same origin as the model to get the LOD out...
+	virtual int ComputeModelLod( studiohwdata_t* pHardwareData, float unitSphereSize, float *pMetric = NULL ) = 0;
+
+	// Return a number that is usable for budgets, etc.
+	// Things that we care about:
+	// 1) effective triangle count (factors in batch sizes, state changes, etc)
+	// 2) texture memory usage
+	// Get Triangles returns the LOD used
+	virtual void GetPerfStats( DrawModelResults_t *pResults, const DrawModelInfo_t &info, CUtlBuffer *pSpewBuf = NULL ) const = 0;
+	virtual void GetTriangles( const DrawModelInfo_t& info, matrix3x4_t *pBoneToWorld, GetTriangles_Output_t &out ) = 0;
+
+	// Returns materials used by a particular model
+	virtual int GetMaterialList( studiohdr_t *pStudioHdr, int count, IMaterial** ppMaterials ) = 0;
+	virtual int GetMaterialListFromBodyAndSkin( MDLHandle_t studio, int nSkin, int nBody, int nCountOutputMaterials, IMaterial** ppOutputMaterials ) = 0;
+	// draw an array of models with the same state
+	virtual void DrawModelArray( const DrawModelInfo_t &drawInfo, int arrayCount, model_array_instance_t *pInstanceData, int instanceStride, int flags = STUDIORENDER_DRAW_ENTIRE_MODEL ) = 0;
+};
+
+extern IStudioRender *g_pStudioRender;
+
+#endif // ISTUDIORENDER_H