source-engine/public/tier3/mdlutils.h

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: A higher level link library for general use in the game and tools.
//
//===========================================================================//
#ifndef MDLUTILS_H
#define MDLUTILS_H
#if defined( _WIN32 )
#pragma once
#endif
#include "datacache/imdlcache.h"
#include "mathlib/vector.h"
#include "Color.h"
#include "studio.h"
//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
struct matrix3x4_t;
struct MDLSquenceLayer_t
{
int m_nSequenceIndex;
float m_flWeight;
bool m_bNoLoop;
float m_flCycleBeganAt;
};
//-----------------------------------------------------------------------------
// Class containing simplistic MDL state for use in rendering
//-----------------------------------------------------------------------------
class CMDL
{
public:
CMDL();
~CMDL();
void SetMDL( MDLHandle_t h );
MDLHandle_t GetMDL() const;
// Simple version of drawing; sets up bones for you
void Draw( const matrix3x4_t& rootToWorld );
// NOTE: This version of draw assumes you've filled in the bone to world
// matrix yourself by calling IStudioRender::LockBoneMatrices. The pointer
// returned by that method needs to be passed into here
void Draw( const matrix3x4_t& rootToWorld, const matrix3x4_t *pBoneToWorld );
void SetUpBones( const matrix3x4_t& shapeToWorld, int nMaxBoneCount, matrix3x4_t *pOutputMatrices, const float *pPoseParameters = NULL, MDLSquenceLayer_t *pSequenceLayers = NULL, int nNumSequenceLayers = 0 );
void SetupBonesWithBoneMerge( const CStudioHdr *pMergeHdr, matrix3x4_t *pMergeBoneToWorld,
const CStudioHdr *pFollow, const matrix3x4_t *pFollowBoneToWorld, const matrix3x4_t &matModelToWorld );
studiohdr_t *GetStudioHdr();
private:
void UnreferenceMDL();
public:
MDLHandle_t m_MDLHandle;
Color m_Color;
int m_nSkin;
int m_nBody;
int m_nSequence;
int m_nLOD;
float m_flPlaybackRate;
float m_flTime;
float m_pFlexControls[ MAXSTUDIOFLEXCTRL * 4 ];
Vector m_vecViewTarget;
bool m_bWorldSpaceViewTarget;
void *m_pProxyData;
};
//-----------------------------------------------------------------------------
// Returns the bounding box for the model
//-----------------------------------------------------------------------------
void GetMDLBoundingBox( Vector *pMins, Vector *pMaxs, MDLHandle_t h, int nSequence );
//-----------------------------------------------------------------------------
// Returns the radius of the model as measured from the origin
//-----------------------------------------------------------------------------
float GetMDLRadius( MDLHandle_t h, int nSequence );
//-----------------------------------------------------------------------------
// Returns a more accurate bounding sphere
//-----------------------------------------------------------------------------
void GetMDLBoundingSphere( Vector *pVecCenter, float *pRadius, MDLHandle_t h, int nSequence );
#endif // MDLUTILS_H