//===== Copyright � 1996-2005, Valve Corporation, All rights reserved. ======// // // Purpose: // // $NoKeywords: $ // //===========================================================================// #ifndef IMATERIAL_H #define IMATERIAL_H #ifdef _WIN32 #pragma once #endif #include "bitmap/imageformat.h" #include "materialsystem/imaterialsystem.h" //----------------------------------------------------------------------------- // Forward declarations //----------------------------------------------------------------------------- class IMaterialVar; class ITexture; class IMaterialProxy; class Vector; //----------------------------------------------------------------------------- // Flags for GetVertexFormat //----------------------------------------------------------------------------- enum VertexFormatFlags_t { // Indicates an uninitialized VertexFormat_t value VERTEX_FORMAT_INVALID = 0xFFFFFFFFFFFFFFFFull, VERTEX_POSITION = 0x0001, VERTEX_NORMAL = 0x0002, VERTEX_COLOR = 0x0004, VERTEX_SPECULAR = 0x0008, VERTEX_TANGENT_S = 0x0010, VERTEX_TANGENT_T = 0x0020, VERTEX_TANGENT_SPACE= VERTEX_TANGENT_S | VERTEX_TANGENT_T, // Indicates we're using wrinkle VERTEX_WRINKLE = 0x0040, // Indicates we're using bone indices VERTEX_BONE_INDEX = 0x0080, // Indicates this expects a color stream on stream 1 VERTEX_COLOR_STREAM_1 = 0x0100, // Indicates this format shouldn't be bloated to cache align it // (only used for VertexUsage) VERTEX_FORMAT_USE_EXACT_FORMAT = 0x0200, // Indicates that compressed vertex elements are to be used (see also VertexCompressionType_t) VERTEX_FORMAT_COMPRESSED = 0x400, // Position or normal (if present) should be 4D not 3D VERTEX_FORMAT_PAD_POS_NORM = 0x800, // Update this if you add or remove bits... VERTEX_LAST_BIT = 11, VERTEX_BONE_WEIGHT_BIT = VERTEX_LAST_BIT + 1, USER_DATA_SIZE_BIT = VERTEX_LAST_BIT + 4, TEX_COORD_SIZE_BIT = VERTEX_LAST_BIT + 7, VERTEX_BONE_WEIGHT_MASK = ( 0x7 << VERTEX_BONE_WEIGHT_BIT ), USER_DATA_SIZE_MASK = ( 0x7 << USER_DATA_SIZE_BIT ), VERTEX_FORMAT_FIELD_MASK = 0x0FF, // If everything is off, it's an unknown vertex format VERTEX_FORMAT_UNKNOWN = 0, }; //----------------------------------------------------------------------------- // Macros for construction.. //----------------------------------------------------------------------------- #define VERTEX_BONEWEIGHT( _n ) ((_n) << VERTEX_BONE_WEIGHT_BIT) #define VERTEX_USERDATA_SIZE( _n ) ((_n) << USER_DATA_SIZE_BIT) #define VERTEX_TEXCOORD_MASK( _coord ) (( 0x7ULL ) << ( TEX_COORD_SIZE_BIT + 3 * (_coord) )) inline VertexFormat_t VERTEX_TEXCOORD_SIZE( int nIndex, int nNumCoords ) { uint64 n64=nNumCoords; uint64 nShift=TEX_COORD_SIZE_BIT + (3*nIndex); return n64 << nShift; } //----------------------------------------------------------------------------- // Gets at various vertex format info... //----------------------------------------------------------------------------- inline int VertexFlags( VertexFormat_t vertexFormat ) { return static_cast ( vertexFormat & ( (1 << (VERTEX_LAST_BIT+1)) - 1 ) ); } inline int NumBoneWeights( VertexFormat_t vertexFormat ) { return static_cast ( (vertexFormat >> VERTEX_BONE_WEIGHT_BIT) & 0x7 ); } inline int UserDataSize( VertexFormat_t vertexFormat ) { return static_cast ( (vertexFormat >> USER_DATA_SIZE_BIT) & 0x7 ); } inline int TexCoordSize( int nTexCoordIndex, VertexFormat_t vertexFormat ) { return static_cast ( (vertexFormat >> (TEX_COORD_SIZE_BIT + 3*nTexCoordIndex) ) & 0x7 ); } inline VertexCompressionType_t CompressionType( VertexFormat_t vertexFormat ) { // This is trivial now, but we may add multiple flavors of compressed vertex later on if ( vertexFormat & VERTEX_FORMAT_COMPRESSED ) return VERTEX_COMPRESSION_ON; else return VERTEX_COMPRESSION_NONE; } //----------------------------------------------------------------------------- // VertexElement_t (enumerates all usable vertex elements) //----------------------------------------------------------------------------- // FIXME: unify this with VertexFormat_t (i.e. construct the lower bits of VertexFormat_t with "1 << (VertexElement_t)element") enum VertexElement_t { VERTEX_ELEMENT_NONE = -1, // Deliberately explicitly numbered so it's a pain in the ass to change, so you read this: // #!#!#NOTE#!#!# update GetVertexElementSize, VertexElementToDeclType and // CVBAllocTracker (elementTable) when you update this! VERTEX_ELEMENT_POSITION = 0, VERTEX_ELEMENT_POSITION4D = 1, VERTEX_ELEMENT_NORMAL = 2, VERTEX_ELEMENT_NORMAL4D = 3, VERTEX_ELEMENT_COLOR = 4, VERTEX_ELEMENT_SPECULAR = 5, VERTEX_ELEMENT_TANGENT_S = 6, VERTEX_ELEMENT_TANGENT_T = 7, VERTEX_ELEMENT_WRINKLE = 8, VERTEX_ELEMENT_BONEINDEX = 9, VERTEX_ELEMENT_BONEWEIGHTS1 = 10, VERTEX_ELEMENT_BONEWEIGHTS2 = 11, VERTEX_ELEMENT_BONEWEIGHTS3 = 12, VERTEX_ELEMENT_BONEWEIGHTS4 = 13, VERTEX_ELEMENT_USERDATA1 = 14, VERTEX_ELEMENT_USERDATA2 = 15, VERTEX_ELEMENT_USERDATA3 = 16, VERTEX_ELEMENT_USERDATA4 = 17, VERTEX_ELEMENT_TEXCOORD1D_0 = 18, VERTEX_ELEMENT_TEXCOORD1D_1 = 19, VERTEX_ELEMENT_TEXCOORD1D_2 = 20, VERTEX_ELEMENT_TEXCOORD1D_3 = 21, VERTEX_ELEMENT_TEXCOORD1D_4 = 22, VERTEX_ELEMENT_TEXCOORD1D_5 = 23, VERTEX_ELEMENT_TEXCOORD1D_6 = 24, VERTEX_ELEMENT_TEXCOORD1D_7 = 25, VERTEX_ELEMENT_TEXCOORD2D_0 = 26, VERTEX_ELEMENT_TEXCOORD2D_1 = 27, VERTEX_ELEMENT_TEXCOORD2D_2 = 28, VERTEX_ELEMENT_TEXCOORD2D_3 = 29, VERTEX_ELEMENT_TEXCOORD2D_4 = 30, VERTEX_ELEMENT_TEXCOORD2D_5 = 31, VERTEX_ELEMENT_TEXCOORD2D_6 = 32, VERTEX_ELEMENT_TEXCOORD2D_7 = 33, VERTEX_ELEMENT_TEXCOORD3D_0 = 34, VERTEX_ELEMENT_TEXCOORD3D_1 = 35, VERTEX_ELEMENT_TEXCOORD3D_2 = 36, VERTEX_ELEMENT_TEXCOORD3D_3 = 37, VERTEX_ELEMENT_TEXCOORD3D_4 = 38, VERTEX_ELEMENT_TEXCOORD3D_5 = 39, VERTEX_ELEMENT_TEXCOORD3D_6 = 40, VERTEX_ELEMENT_TEXCOORD3D_7 = 41, VERTEX_ELEMENT_TEXCOORD4D_0 = 42, VERTEX_ELEMENT_TEXCOORD4D_1 = 43, VERTEX_ELEMENT_TEXCOORD4D_2 = 44, VERTEX_ELEMENT_TEXCOORD4D_3 = 45, VERTEX_ELEMENT_TEXCOORD4D_4 = 46, VERTEX_ELEMENT_TEXCOORD4D_5 = 47, VERTEX_ELEMENT_TEXCOORD4D_6 = 48, VERTEX_ELEMENT_TEXCOORD4D_7 = 49, VERTEX_ELEMENT_NUMELEMENTS = 50 }; inline void Detect_VertexElement_t_Changes( VertexElement_t element ) // GREPs for VertexElement_t will hit this { // Make it harder for someone to change VertexElement_t without noticing that dependent code // (GetVertexElementSize, VertexElementToDeclType, CVBAllocTracker) needs updating Assert( VERTEX_ELEMENT_NUMELEMENTS == 50 ); switch ( element ) { case VERTEX_ELEMENT_POSITION: Assert( VERTEX_ELEMENT_POSITION == 0 ); break; case VERTEX_ELEMENT_POSITION4D: Assert( VERTEX_ELEMENT_POSITION4D == 1 ); break; case VERTEX_ELEMENT_NORMAL: Assert( VERTEX_ELEMENT_NORMAL == 2 ); break; case VERTEX_ELEMENT_NORMAL4D: Assert( VERTEX_ELEMENT_NORMAL4D == 3 ); break; case VERTEX_ELEMENT_COLOR: Assert( VERTEX_ELEMENT_COLOR == 4 ); break; case VERTEX_ELEMENT_SPECULAR: Assert( VERTEX_ELEMENT_SPECULAR == 5 ); break; case VERTEX_ELEMENT_TANGENT_S: Assert( VERTEX_ELEMENT_TANGENT_S == 6 ); break; case VERTEX_ELEMENT_TANGENT_T: Assert( VERTEX_ELEMENT_TANGENT_T == 7 ); break; case VERTEX_ELEMENT_WRINKLE: Assert( VERTEX_ELEMENT_WRINKLE == 8 ); break; case VERTEX_ELEMENT_BONEINDEX: Assert( VERTEX_ELEMENT_BONEINDEX == 9 ); break; case VERTEX_ELEMENT_BONEWEIGHTS1: Assert( VERTEX_ELEMENT_BONEWEIGHTS1 == 10 ); break; case VERTEX_ELEMENT_BONEWEIGHTS2: Assert( VERTEX_ELEMENT_BONEWEIGHTS2 == 11 ); break; case VERTEX_ELEMENT_BONEWEIGHTS3: Assert( VERTEX_ELEMENT_BONEWEIGHTS3 == 12 ); break; case VERTEX_ELEMENT_BONEWEIGHTS4: Assert( VERTEX_ELEMENT_BONEWEIGHTS4 == 13 ); break; case VERTEX_ELEMENT_USERDATA1: Assert( VERTEX_ELEMENT_USERDATA1 == 14 ); break; case VERTEX_ELEMENT_USERDATA2: Assert( VERTEX_ELEMENT_USERDATA2 == 15 ); break; case VERTEX_ELEMENT_USERDATA3: Assert( VERTEX_ELEMENT_USERDATA3 == 16 ); break; case VERTEX_ELEMENT_USERDATA4: Assert( VERTEX_ELEMENT_USERDATA4 == 17 ); break; case VERTEX_ELEMENT_TEXCOORD1D_0: Assert( VERTEX_ELEMENT_TEXCOORD1D_0 == 18 ); break; case VERTEX_ELEMENT_TEXCOORD1D_1: Assert( VERTEX_ELEMENT_TEXCOORD1D_1 == 19 ); break; case VERTEX_ELEMENT_TEXCOORD1D_2: Assert( VERTEX_ELEMENT_TEXCOORD1D_2 == 20 ); break; case VERTEX_ELEMENT_TEXCOORD1D_3: Assert( VERTEX_ELEMENT_TEXCOORD1D_3 == 21 ); break; case VERTEX_ELEMENT_TEXCOORD1D_4: Assert( VERTEX_ELEMENT_TEXCOORD1D_4 == 22 ); break; case VERTEX_ELEMENT_TEXCOORD1D_5: Assert( VERTEX_ELEMENT_TEXCOORD1D_5 == 23 ); break; case VERTEX_ELEMENT_TEXCOORD1D_6: Assert( VERTEX_ELEMENT_TEXCOORD1D_6 == 24 ); break; case VERTEX_ELEMENT_TEXCOORD1D_7: Assert( VERTEX_ELEMENT_TEXCOORD1D_7 == 25 ); break; case VERTEX_ELEMENT_TEXCOORD2D_0: Assert( VERTEX_ELEMENT_TEXCOORD2D_0 == 26 ); break; case VERTEX_ELEMENT_TEXCOORD2D_1: Assert( VERTEX_ELEMENT_TEXCOORD2D_1 == 27 ); break; case VERTEX_ELEMENT_TEXCOORD2D_2: Assert( VERTEX_ELEMENT_TEXCOORD2D_2 == 28 ); break; case VERTEX_ELEMENT_TEXCOORD2D_3: Assert( VERTEX_ELEMENT_TEXCOORD2D_3 == 29 ); break; case VERTEX_ELEMENT_TEXCOORD2D_4: Assert( VERTEX_ELEMENT_TEXCOORD2D_4 == 30 ); break; case VERTEX_ELEMENT_TEXCOORD2D_5: Assert( VERTEX_ELEMENT_TEXCOORD2D_5 == 31 ); break; case VERTEX_ELEMENT_TEXCOORD2D_6: Assert( VERTEX_ELEMENT_TEXCOORD2D_6 == 32 ); break; case VERTEX_ELEMENT_TEXCOORD2D_7: Assert( VERTEX_ELEMENT_TEXCOORD2D_7 == 33 ); break; case VERTEX_ELEMENT_TEXCOORD3D_0: Assert( VERTEX_ELEMENT_TEXCOORD3D_0 == 34 ); break; case VERTEX_ELEMENT_TEXCOORD3D_1: Assert( VERTEX_ELEMENT_TEXCOORD3D_1 == 35 ); break; case VERTEX_ELEMENT_TEXCOORD3D_2: Assert( VERTEX_ELEMENT_TEXCOORD3D_2 == 36 ); break; case VERTEX_ELEMENT_TEXCOORD3D_3: Assert( VERTEX_ELEMENT_TEXCOORD3D_3 == 37 ); break; case VERTEX_ELEMENT_TEXCOORD3D_4: Assert( VERTEX_ELEMENT_TEXCOORD3D_4 == 38 ); break; case VERTEX_ELEMENT_TEXCOORD3D_5: Assert( VERTEX_ELEMENT_TEXCOORD3D_5 == 39 ); break; case VERTEX_ELEMENT_TEXCOORD3D_6: Assert( VERTEX_ELEMENT_TEXCOORD3D_6 == 40 ); break; case VERTEX_ELEMENT_TEXCOORD3D_7: Assert( VERTEX_ELEMENT_TEXCOORD3D_7 == 41 ); break; case VERTEX_ELEMENT_TEXCOORD4D_0: Assert( VERTEX_ELEMENT_TEXCOORD4D_0 == 42 ); break; case VERTEX_ELEMENT_TEXCOORD4D_1: Assert( VERTEX_ELEMENT_TEXCOORD4D_1 == 43 ); break; case VERTEX_ELEMENT_TEXCOORD4D_2: Assert( VERTEX_ELEMENT_TEXCOORD4D_2 == 44 ); break; case VERTEX_ELEMENT_TEXCOORD4D_3: Assert( VERTEX_ELEMENT_TEXCOORD4D_3 == 45 ); break; case VERTEX_ELEMENT_TEXCOORD4D_4: Assert( VERTEX_ELEMENT_TEXCOORD4D_4 == 46 ); break; case VERTEX_ELEMENT_TEXCOORD4D_5: Assert( VERTEX_ELEMENT_TEXCOORD4D_5 == 47 ); break; case VERTEX_ELEMENT_TEXCOORD4D_6: Assert( VERTEX_ELEMENT_TEXCOORD4D_6 == 48 ); break; case VERTEX_ELEMENT_TEXCOORD4D_7: Assert( VERTEX_ELEMENT_TEXCOORD4D_7 == 49 ); break; default: Assert( 0 ); // Invalid input or VertexElement_t has definitely changed break; } } // We're testing 2 normal compression methods // One compressed normals+tangents into a SHORT2 each (8 bytes total) // The other compresses them together, into a single UBYTE4 (4 bytes total) // FIXME: pick one or the other, compare lighting quality in important cases #define COMPRESSED_NORMALS_SEPARATETANGENTS_SHORT2 0 #define COMPRESSED_NORMALS_COMBINEDTANGENTS_UBYTE4 1 //#define COMPRESSED_NORMALS_TYPE COMPRESSED_NORMALS_SEPARATETANGENTS_SHORT2 #define COMPRESSED_NORMALS_TYPE COMPRESSED_NORMALS_COMBINEDTANGENTS_UBYTE4 inline int GetVertexElementSize( VertexElement_t element, VertexCompressionType_t compressionType ) { Detect_VertexElement_t_Changes( element ); if ( compressionType == VERTEX_COMPRESSION_ON ) { // Compressed-vertex element sizes switch ( element ) { #if ( COMPRESSED_NORMALS_TYPE == COMPRESSED_NORMALS_SEPARATETANGENTS_SHORT2 ) case VERTEX_ELEMENT_NORMAL: return ( 2 * sizeof( short ) ); case VERTEX_ELEMENT_USERDATA4: return ( 2 * sizeof( short ) ); #else //( COMPRESSED_NORMALS_TYPE == COMPRESSED_NORMALS_COMBINEDTANGENTS_UBYTE4 ) // Normals and tangents (userdata4) are combined into a single UBYTE4 vertex element case VERTEX_ELEMENT_NORMAL: return ( 4 * sizeof( unsigned char ) ); case VERTEX_ELEMENT_USERDATA4: return ( 0 ); #endif // Compressed bone weights use a SHORT2 vertex element: case VERTEX_ELEMENT_BONEWEIGHTS1: case VERTEX_ELEMENT_BONEWEIGHTS2: return ( 2 * sizeof( short ) ); default: break; } } // Uncompressed-vertex element sizes switch ( element ) { case VERTEX_ELEMENT_POSITION: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_POSITION4D: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_NORMAL: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_NORMAL4D: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_COLOR: return ( 4 * sizeof( unsigned char ) ); case VERTEX_ELEMENT_SPECULAR: return ( 4 * sizeof( unsigned char ) ); case VERTEX_ELEMENT_TANGENT_S: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TANGENT_T: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_WRINKLE: return ( 1 * sizeof( float ) ); // Packed into Position.W case VERTEX_ELEMENT_BONEINDEX: return ( 4 * sizeof( unsigned char ) ); case VERTEX_ELEMENT_BONEWEIGHTS1: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_BONEWEIGHTS2: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_BONEWEIGHTS3: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_BONEWEIGHTS4: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_USERDATA1: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_USERDATA2: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_USERDATA3: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_USERDATA4: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_0: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_1: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_2: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_3: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_4: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_5: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_6: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD1D_7: return ( 1 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_0: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_1: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_2: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_3: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_4: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_5: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_6: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD2D_7: return ( 2 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_0: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_1: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_2: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_3: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_4: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_5: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_6: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD3D_7: return ( 3 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_0: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_1: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_2: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_3: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_4: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_5: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_6: return ( 4 * sizeof( float ) ); case VERTEX_ELEMENT_TEXCOORD4D_7: return ( 4 * sizeof( float ) ); default: Assert(0); return 0; }; } //----------------------------------------------------------------------------- // Shader state flags can be read from the FLAGS materialvar // Also can be read or written to with the Set/GetMaterialVarFlags() call // Also make sure you add/remove a string associated with each flag below to CShaderSystem::ShaderStateString in ShaderSystem.cpp //----------------------------------------------------------------------------- enum MaterialVarFlags_t { MATERIAL_VAR_DEBUG = (1 << 0), MATERIAL_VAR_NO_DEBUG_OVERRIDE = (1 << 1), MATERIAL_VAR_NO_DRAW = (1 << 2), MATERIAL_VAR_USE_IN_FILLRATE_MODE = (1 << 3), MATERIAL_VAR_VERTEXCOLOR = (1 << 4), MATERIAL_VAR_VERTEXALPHA = (1 << 5), MATERIAL_VAR_SELFILLUM = (1 << 6), MATERIAL_VAR_ADDITIVE = (1 << 7), MATERIAL_VAR_ALPHATEST = (1 << 8), // MATERIAL_VAR_UNUSED = (1 << 9), MATERIAL_VAR_ZNEARER = (1 << 10), MATERIAL_VAR_MODEL = (1 << 11), MATERIAL_VAR_FLAT = (1 << 12), MATERIAL_VAR_NOCULL = (1 << 13), MATERIAL_VAR_NOFOG = (1 << 14), MATERIAL_VAR_IGNOREZ = (1 << 15), MATERIAL_VAR_DECAL = (1 << 16), MATERIAL_VAR_ENVMAPSPHERE = (1 << 17), // OBSOLETE // MATERIAL_VAR_UNUSED = (1 << 18), MATERIAL_VAR_ENVMAPCAMERASPACE = (1 << 19), // OBSOLETE MATERIAL_VAR_BASEALPHAENVMAPMASK = (1 << 20), MATERIAL_VAR_TRANSLUCENT = (1 << 21), MATERIAL_VAR_NORMALMAPALPHAENVMAPMASK = (1 << 22), MATERIAL_VAR_NEEDS_SOFTWARE_SKINNING = (1 << 23), // OBSOLETE MATERIAL_VAR_OPAQUETEXTURE = (1 << 24), MATERIAL_VAR_ENVMAPMODE = (1 << 25), // OBSOLETE MATERIAL_VAR_SUPPRESS_DECALS = (1 << 26), MATERIAL_VAR_HALFLAMBERT = (1 << 27), MATERIAL_VAR_WIREFRAME = (1 << 28), MATERIAL_VAR_ALLOWALPHATOCOVERAGE = (1 << 29), MATERIAL_VAR_ALPHA_MODIFIED_BY_PROXY = (1 << 30), MATERIAL_VAR_VERTEXFOG = (1 << 31), // NOTE: Only add flags here that either should be read from // .vmts or can be set directly from client code. Other, internal // flags should to into the flag enum in IMaterialInternal.h }; //----------------------------------------------------------------------------- // Internal flags not accessible from outside the material system. Stored in Flags2 //----------------------------------------------------------------------------- enum MaterialVarFlags2_t { // NOTE: These are for $flags2!!!!! // UNUSED = (1 << 0), MATERIAL_VAR2_LIGHTING_UNLIT = 0, MATERIAL_VAR2_LIGHTING_VERTEX_LIT = (1 << 1), MATERIAL_VAR2_LIGHTING_LIGHTMAP = (1 << 2), MATERIAL_VAR2_LIGHTING_BUMPED_LIGHTMAP = (1 << 3), MATERIAL_VAR2_LIGHTING_MASK = ( MATERIAL_VAR2_LIGHTING_VERTEX_LIT | MATERIAL_VAR2_LIGHTING_LIGHTMAP | MATERIAL_VAR2_LIGHTING_BUMPED_LIGHTMAP ), // FIXME: Should this be a part of the above lighting enums? MATERIAL_VAR2_DIFFUSE_BUMPMAPPED_MODEL = (1 << 4), MATERIAL_VAR2_USES_ENV_CUBEMAP = (1 << 5), MATERIAL_VAR2_NEEDS_TANGENT_SPACES = (1 << 6), MATERIAL_VAR2_NEEDS_SOFTWARE_LIGHTING = (1 << 7), // GR - HDR path puts lightmap alpha in separate texture... MATERIAL_VAR2_BLEND_WITH_LIGHTMAP_ALPHA = (1 << 8), MATERIAL_VAR2_NEEDS_BAKED_LIGHTING_SNAPSHOTS = (1 << 9), MATERIAL_VAR2_USE_FLASHLIGHT = (1 << 10), MATERIAL_VAR2_USE_FIXED_FUNCTION_BAKED_LIGHTING = (1 << 11), MATERIAL_VAR2_NEEDS_FIXED_FUNCTION_FLASHLIGHT = (1 << 12), MATERIAL_VAR2_USE_EDITOR = (1 << 13), MATERIAL_VAR2_NEEDS_POWER_OF_TWO_FRAME_BUFFER_TEXTURE = (1 << 14), MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE = (1 << 15), MATERIAL_VAR2_IS_SPRITECARD = (1 << 16), MATERIAL_VAR2_USES_VERTEXID = (1 << 17), MATERIAL_VAR2_SUPPORTS_HW_SKINNING = (1 << 18), MATERIAL_VAR2_SUPPORTS_FLASHLIGHT = (1 << 19), MATERIAL_VAR2_USE_GBUFFER0 = (1 << 20), MATERIAL_VAR2_USE_GBUFFER1 = (1 << 21), MATERIAL_VAR2_SELFILLUMMASK = (1 << 22), MATERIAL_VAR2_SUPPORTS_TESSELLATION = (1 << 23) }; //----------------------------------------------------------------------------- // Preview image return values //----------------------------------------------------------------------------- enum PreviewImageRetVal_t { MATERIAL_PREVIEW_IMAGE_BAD = 0, MATERIAL_PREVIEW_IMAGE_OK, MATERIAL_NO_PREVIEW_IMAGE, }; //----------------------------------------------------------------------------- // material interface //----------------------------------------------------------------------------- abstract_class IMaterial { public: // Get the name of the material. This is a full path to // the vmt file starting from "hl2/materials" (or equivalent) without // a file extension. virtual const char * GetName() const = 0; virtual const char * GetTextureGroupName() const = 0; // Get the preferred size/bitDepth of a preview image of a material. // This is the sort of image that you would use for a thumbnail view // of a material, or in WorldCraft until it uses materials to render. // separate this for the tools maybe virtual PreviewImageRetVal_t GetPreviewImageProperties( int *width, int *height, ImageFormat *imageFormat, bool* isTranslucent ) const = 0; // Get a preview image at the specified width/height and bitDepth. // Will do resampling if necessary.(not yet!!! :) ) // Will do color format conversion. (works now.) virtual PreviewImageRetVal_t GetPreviewImage( unsigned char *data, int width, int height, ImageFormat imageFormat ) const = 0; // virtual int GetMappingWidth( ) = 0; virtual int GetMappingHeight( ) = 0; virtual int GetNumAnimationFrames( ) = 0; // For material subrects (material pages). Offset(u,v) and scale(u,v) are normalized to texture. virtual bool InMaterialPage( void ) = 0; virtual void GetMaterialOffset( float *pOffset ) = 0; virtual void GetMaterialScale( float *pScale ) = 0; virtual IMaterial *GetMaterialPage( void ) = 0; // find a vmt variable. // This is how game code affects how a material is rendered. // The game code must know about the params that are used by // the shader for the material that it is trying to affect. virtual IMaterialVar * FindVar( const char *varName, bool *found, bool complain = true ) = 0; // The user never allocates or deallocates materials. Reference counting is // used instead. Garbage collection is done upon a call to // IMaterialSystem::UncacheUnusedMaterials. virtual void IncrementReferenceCount( void ) = 0; virtual void DecrementReferenceCount( void ) = 0; inline void AddRef() { IncrementReferenceCount(); } inline void Release() { DecrementReferenceCount(); } // Each material is assigned a number that groups it with like materials // for sorting in the application. virtual int GetEnumerationID( void ) const = 0; virtual void GetLowResColorSample( float s, float t, float *color ) const = 0; // This computes the state snapshots for this material virtual void RecomputeStateSnapshots() = 0; // Are we translucent? virtual bool IsTranslucent() = 0; // Are we alphatested? virtual bool IsAlphaTested() = 0; // Are we vertex lit? virtual bool IsVertexLit() = 0; // Gets the vertex format virtual VertexFormat_t GetVertexFormat() const = 0; // returns true if this material uses a material proxy virtual bool HasProxy( void ) const = 0; virtual bool UsesEnvCubemap( void ) = 0; virtual bool NeedsTangentSpace( void ) = 0; virtual bool NeedsPowerOfTwoFrameBufferTexture( bool bCheckSpecificToThisFrame = true ) = 0; virtual bool NeedsFullFrameBufferTexture( bool bCheckSpecificToThisFrame = true ) = 0; // returns true if the shader doesn't do skinning itself and requires // the data that is sent to it to be preskinned. virtual bool NeedsSoftwareSkinning( void ) = 0; // Apply constant color or alpha modulation virtual void AlphaModulate( float alpha ) = 0; virtual void ColorModulate( float r, float g, float b ) = 0; // Material Var flags... virtual void SetMaterialVarFlag( MaterialVarFlags_t flag, bool on ) = 0; virtual bool GetMaterialVarFlag( MaterialVarFlags_t flag ) const = 0; // Gets material reflectivity virtual void GetReflectivity( Vector& reflect ) = 0; // Gets material property flags virtual bool GetPropertyFlag( MaterialPropertyTypes_t type ) = 0; // Is the material visible from both sides? virtual bool IsTwoSided() = 0; // Sets the shader associated with the material virtual void SetShader( const char *pShaderName ) = 0; // Can't be const because the material might have to precache itself. virtual int GetNumPasses( void ) = 0; // Can't be const because the material might have to precache itself. virtual int GetTextureMemoryBytes( void ) = 0; // Meant to be used with materials created using CreateMaterial // It updates the materials to reflect the current values stored in the material vars virtual void Refresh() = 0; // GR - returns true is material uses lightmap alpha for blending virtual bool NeedsLightmapBlendAlpha( void ) = 0; // returns true if the shader doesn't do lighting itself and requires // the data that is sent to it to be prelighted virtual bool NeedsSoftwareLighting( void ) = 0; // Gets at the shader parameters virtual int ShaderParamCount() const = 0; virtual IMaterialVar **GetShaderParams( void ) = 0; // Returns true if this is the error material you get back from IMaterialSystem::FindMaterial if // the material can't be found. virtual bool IsErrorMaterial() const = 0; virtual void SetUseFixedFunctionBakedLighting( bool bEnable ) = 0; // Gets the current alpha modulation virtual float GetAlphaModulation() = 0; virtual void GetColorModulation( float *r, float *g, float *b ) = 0; // Is this translucent given a particular alpha modulation? virtual bool IsTranslucentUnderModulation( float fAlphaModulation = 1.0f ) const = 0; // fast find that stores the index of the found var in the string table in local cache virtual IMaterialVar * FindVarFast( char const *pVarName, unsigned int *pToken ) = 0; // Sets new VMT shader parameters for the material virtual void SetShaderAndParams( KeyValues *pKeyValues ) = 0; virtual const char * GetShaderName() const = 0; virtual void DeleteIfUnreferenced() = 0; virtual bool IsSpriteCard() = 0; virtual void CallBindProxy( void *proxyData ) = 0; virtual void RefreshPreservingMaterialVars() = 0; virtual bool WasReloadedFromWhitelist() = 0; }; inline bool IsErrorMaterial( IMaterial *pMat ) { return !pMat || pMat->IsErrorMaterial(); } // // Vertex stream specifications // struct VertexStreamSpec_t { enum StreamSpec_t { STREAM_DEFAULT, // stream 0: with position, normal, etc. STREAM_SPECULAR1, // stream 1: following specular vhv lighting STREAM_FLEXDELTA, // stream 2: flex deltas STREAM_MORPH, // stream 3: morph STREAM_UNIQUE_A, // unique stream 4 STREAM_UNIQUE_B, // unique stream 5 STREAM_UNIQUE_C, // unique stream 6 STREAM_UNIQUE_D, // unique stream 7 STREAM_SUBDQUADS, // stream 8: quad buffer for subd's }; enum { MAX_UNIQUE_STREAMS = 4 }; VertexFormatFlags_t iVertexDataElement; StreamSpec_t iStreamSpec; }; inline VertexStreamSpec_t * FindVertexStreamSpec( VertexFormat_t iElement, VertexStreamSpec_t *arrVertexStreamSpec ) { for ( ; arrVertexStreamSpec && arrVertexStreamSpec->iVertexDataElement != VERTEX_FORMAT_UNKNOWN ; ++ arrVertexStreamSpec ) { if ( arrVertexStreamSpec->iVertexDataElement == iElement ) return arrVertexStreamSpec; } return NULL; } #endif // IMATERIAL_H