150 lines
3.7 KiB
C++
150 lines
3.7 KiB
C++
//====== Copyright © 1996-2007, Valve Corporation, All rights reserved. =======
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//
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// Purpose:
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//
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//=============================================================================
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#ifndef MDLLIB_H
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#define MDLLIB_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier1/utlbuffer.h"
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#include "appframework/IAppSystem.h"
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//
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// Forward interface declarations
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//
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abstract_class IMdlLib;
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abstract_class IMdlStripInfo;
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//-----------------------------------------------------------------------------
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// Purpose: Interface to accessing model data operations
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//-----------------------------------------------------------------------------
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namespace MdlLib
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{
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struct MdlVertex
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{
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float position[3];
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float normal[3];
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float texcoord[2];
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};
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struct MdlMesh
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{
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unsigned long checksum;
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CUtlVector< unsigned int > ib;
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CUtlVector< MdlVertex > vb;
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};
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};
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abstract_class IMdlLib : public IAppSystem
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{
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//
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// Stripping routines
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//
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public:
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//
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// StripModelBuffers
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// The main function that strips the model buffers
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// mdlBuffer - mdl buffer, updated, no size change
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// vvdBuffer - vvd buffer, updated, size reduced
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// vtxBuffer - vtx buffer, updated, size reduced
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// ppStripInfo - if nonzero on return will be filled with the stripping info
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//
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virtual bool StripModelBuffers( CUtlBuffer &mdlBuffer, CUtlBuffer &vvdBuffer, CUtlBuffer &vtxBuffer, IMdlStripInfo **ppStripInfo ) = 0;
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//
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// CreateNewStripInfo
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// Creates an empty strip info or resets an existing strip info so that it can be reused.
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//
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virtual bool CreateNewStripInfo( IMdlStripInfo **ppStripInfo ) = 0;
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//
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// ParseMdlMesh
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// The main function that parses the mesh buffers
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// mdlBuffer - mdl buffer
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// vvdBuffer - vvd buffer
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// vtxBuffer - vtx buffer
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// mesh - on return will be filled with the mesh info
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//
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virtual bool ParseMdlMesh( CUtlBuffer &mdlBuffer, CUtlBuffer &vvdBuffer, CUtlBuffer &vtxBuffer, MdlLib::MdlMesh &mesh ) = 0;
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};
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abstract_class IMdlStripInfo
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{
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//
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// Serialization
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//
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public:
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// Save the strip info to the buffer (appends to the end)
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virtual bool Serialize( CUtlBuffer &bufStorage ) const = 0;
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// Load the strip info from the buffer (reads from the current position as much as needed)
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virtual bool UnSerialize( CUtlBuffer &bufData ) = 0;
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//
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// Stripping info state
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//
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public:
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// Returns the checksums that the stripping info was generated for:
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// plChecksumOriginal if non-NULL will hold the checksum of the original model submitted for stripping
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// plChecksumStripped if non-NULL will hold the resulting checksum of the stripped model
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virtual bool GetCheckSum( long *plChecksumOriginal, long *plChecksumStripped ) const = 0;
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//
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// Stripping
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//
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public:
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//
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// StripHardwareVertsBuffer
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// The main function that strips the vhv buffer
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// vhvBuffer - vhv buffer, updated, size reduced
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//
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virtual bool StripHardwareVertsBuffer( CUtlBuffer &vhvBuffer ) = 0;
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//
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// StripModelBuffer
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// The main function that strips the mdl buffer
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// mdlBuffer - mdl buffer, updated
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//
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virtual bool StripModelBuffer( CUtlBuffer &mdlBuffer ) = 0;
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//
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// StripVertexDataBuffer
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// The main function that strips the vvd buffer
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// vvdBuffer - vvd buffer, updated, size reduced
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//
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virtual bool StripVertexDataBuffer( CUtlBuffer &vvdBuffer ) = 0;
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//
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// StripOptimizedModelBuffer
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// The main function that strips the vtx buffer
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// vtxBuffer - vtx buffer, updated, size reduced
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//
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virtual bool StripOptimizedModelBuffer( CUtlBuffer &vtxBuffer ) = 0;
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//
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// Release the object with "delete this"
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//
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public:
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virtual void DeleteThis() = 0;
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};
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#endif // MDLLIB_H
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