86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
//========= Copyright 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 BONE_MERGE_CACHE_H
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#define BONE_MERGE_CACHE_H
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#ifdef _WIN32
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#pragma once
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#endif
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class C_BaseAnimating;
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class CStudioHdr;
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#include "mathlib/vector.h"
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class CBoneMergeCache
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{
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public:
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CBoneMergeCache();
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void Init( C_BaseAnimating *pOwner );
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// Updates the lookups that let it merge bones quickly.
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void UpdateCache();
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// This copies the transform from all bones in the followed entity that have
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// names that match our bones.
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void MergeMatchingBones( int boneMask );
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// copy bones instead of matrices
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void CopyParentToChild( const Vector parentPos[], const Quaternion parentQ[], Vector childPos[], Quaternion childQ[], int boneMask );
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void CopyChildToParent( const Vector childPos[], const Quaternion childQ[], Vector parentPos[], Quaternion parentQ[], int boneMask );
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// Returns true if the specified bone is one that gets merged in MergeMatchingBones.
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int IsBoneMerged( int iBone ) const;
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// Gets the origin for the first merge bone on the parent.
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bool GetAimEntOrigin( Vector *pAbsOrigin, QAngle *pAbsAngles );
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bool GetRootBone( matrix3x4_t &rootBone );
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private:
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// This is the entity that we're keeping the cache updated for.
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C_BaseAnimating *m_pOwner;
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// All the cache data is based off these. When they change, the cache data is regenerated.
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// These are either all valid pointers or all NULL.
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C_BaseAnimating *m_pFollow;
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CStudioHdr *m_pFollowHdr;
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const studiohdr_t *m_pFollowRenderHdr;
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CStudioHdr *m_pOwnerHdr;
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// This is the mask we need to use to set up bones on the followed entity to do the bone merge
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int m_nFollowBoneSetupMask;
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// Cache data.
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class CMergedBone
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{
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public:
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unsigned short m_iMyBone;
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unsigned short m_iParentBone;
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};
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CUtlVector<CMergedBone> m_MergedBones;
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CUtlVector<unsigned char> m_BoneMergeBits; // One bit for each bone. The bit is set if the bone gets merged.
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};
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inline int CBoneMergeCache::IsBoneMerged( int iBone ) const
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{
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if ( m_pOwnerHdr )
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return m_BoneMergeBits[iBone >> 3] & ( 1 << ( iBone & 7 ) );
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else
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return 0;
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}
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#endif // BONE_MERGE_CACHE_H
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