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https://github.com/jmarshall23/DoomRTX.git
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Initial Prey Game integration support.
This commit is contained in:
Justin Marshall
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// Copyright (C) 2004 Id Software, Inc.
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//
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#ifndef __CLIP_H__
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#define __CLIP_H__
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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const int CLIPSECTOR_DEPTH = 6;
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const int CLIPSECTOR_WIDTH = 1 << CLIPSECTOR_DEPTH;
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#endif //HUMANHEAD END
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/*
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===============================================================================
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Handles collision detection with the world and between physics objects.
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===============================================================================
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*/
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#define CLIPMODEL_ID_TO_JOINT_HANDLE( id ) ( ( id ) >= 0 ? INVALID_JOINT : ((jointHandle_t) ( -1 - id )) )
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#define JOINT_HANDLE_TO_CLIPMODEL_ID( id ) ( -1 - id )
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class idClip;
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class idClipModel;
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class idEntity;
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//===============================================================
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//
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// idClipModel
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//
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//===============================================================
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class idClipModel {
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friend class idClip;
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public:
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idClipModel( void );
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explicit idClipModel( const char *name );
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explicit idClipModel( const idTraceModel &trm );
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explicit idClipModel( const int renderModelHandle );
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explicit idClipModel( const idClipModel *model );
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~idClipModel( void );
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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void UpdateDynamicContents( void );
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#endif //HUMANHEAD END
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bool LoadModel( const char *name );
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void LoadModel( const idTraceModel &trm );
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void LoadModel( const int renderModelHandle );
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void Save( idSaveGame *savefile ) const;
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void Restore( idRestoreGame *savefile );
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void Link( idClip &clp ); // must have been linked with an entity and id before
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void Link( idClip &clp, idEntity *ent, int newId, const idVec3 &newOrigin, const idMat3 &newAxis, int renderModelHandle = -1 );
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void Unlink( void ); // unlink from sectors
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void SetPosition( const idVec3 &newOrigin, const idMat3 &newAxis ); // unlinks the clip model
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void Translate( const idVec3 &translation ); // unlinks the clip model
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void Rotate( const idRotation &rotation ); // unlinks the clip model
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void Enable( void ); // enable for clipping
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void Disable( void ); // keep linked but disable for clipping
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void SetMaterial( const idMaterial *m );
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const idMaterial * GetMaterial( void ) const;
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void SetContents( int newContents ); // override contents
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int GetContents( void ) const;
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void SetEntity( idEntity *newEntity );
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idEntity * GetEntity( void ) const;
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void SetId( int newId );
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int GetId( void ) const;
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void SetOwner( idEntity *newOwner );
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idEntity * GetOwner( void ) const;
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const idBounds & GetBounds( void ) const;
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const idBounds & GetAbsBounds( void ) const;
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const idVec3 & GetOrigin( void ) const;
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const idMat3 & GetAxis( void ) const;
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bool IsTraceModel( void ) const; // returns true if this is a trace model
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bool IsRenderModel( void ) const; // returns true if this is a render model
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bool IsLinked( void ) const; // returns true if the clip model is linked
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bool IsEnabled( void ) const; // returns true if enabled for collision detection
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bool IsEqual( const idTraceModel &trm ) const;
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cmHandle_t Handle( void ) const; // returns handle used to collide vs this model
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const idTraceModel * GetTraceModel( void ) const;
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void GetMassProperties( const float density, float &mass, idVec3 ¢erOfMass, idMat3 &inertiaTensor ) const;
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static cmHandle_t CheckModel( const char *name );
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static void ClearTraceModelCache( void );
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static int TraceModelCacheSize( void );
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static void SaveTraceModels( idSaveGame *savefile );
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static void RestoreTraceModels( idRestoreGame *savefile );
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private:
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bool enabled; // true if this clip model is used for clipping
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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bool checked; // Splash's clip model code
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#endif //HUMANHEAD END
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idEntity * entity; // entity using this clip model
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int id; // id for entities that use multiple clip models
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idEntity * owner; // owner of the entity that owns this clip model
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idVec3 origin; // origin of clip model
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idMat3 axis; // orientation of clip model
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idBounds bounds; // bounds
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idBounds absBounds; // absolute bounds
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const idMaterial * material; // material for trace models
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int contents; // all contents ored together
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cmHandle_t collisionModelHandle; // handle to collision model
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int traceModelIndex; // trace model used for collision detection
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int renderModelHandle; // render model def handle
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struct clipLink_s * clipLinks; // links into sectors
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int touchCount;
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void Init( void ); // initialize
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#if !_HH_CLIP_FASTSECTORS //HUMANHEAD rww
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void Link_r( struct clipSector_s *node );
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#endif //HUMANHEAD END
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static int AllocTraceModel( const idTraceModel &trm );
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static void FreeTraceModel( int traceModelIndex );
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static idTraceModel * GetCachedTraceModel( int traceModelIndex );
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static int GetTraceModelHashKey( const idTraceModel &trm );
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};
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ID_INLINE void idClipModel::Translate( const idVec3 &translation ) {
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Unlink();
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origin += translation;
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}
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ID_INLINE void idClipModel::Rotate( const idRotation &rotation ) {
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Unlink();
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origin *= rotation;
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axis *= rotation.ToMat3();
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}
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ID_INLINE void idClipModel::Enable( void ) {
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enabled = true;
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}
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ID_INLINE void idClipModel::Disable( void ) {
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enabled = false;
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}
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ID_INLINE void idClipModel::SetMaterial( const idMaterial *m ) {
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material = m;
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}
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ID_INLINE const idMaterial * idClipModel::GetMaterial( void ) const {
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return material;
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}
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ID_INLINE void idClipModel::SetContents( int newContents ) {
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contents = newContents;
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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UpdateDynamicContents();
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#endif //HUMANHEAD END
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}
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ID_INLINE int idClipModel::GetContents( void ) const {
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return contents;
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}
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ID_INLINE void idClipModel::SetEntity( idEntity *newEntity ) {
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entity = newEntity;
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}
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ID_INLINE idEntity *idClipModel::GetEntity( void ) const {
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return entity;
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}
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ID_INLINE void idClipModel::SetId( int newId ) {
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id = newId;
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}
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ID_INLINE int idClipModel::GetId( void ) const {
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return id;
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}
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ID_INLINE void idClipModel::SetOwner( idEntity *newOwner ) {
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owner = newOwner;
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}
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ID_INLINE idEntity *idClipModel::GetOwner( void ) const {
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return owner;
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}
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ID_INLINE const idBounds &idClipModel::GetBounds( void ) const {
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return bounds;
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}
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ID_INLINE const idBounds &idClipModel::GetAbsBounds( void ) const {
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return absBounds;
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}
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ID_INLINE const idVec3 &idClipModel::GetOrigin( void ) const {
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return origin;
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}
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ID_INLINE const idMat3 &idClipModel::GetAxis( void ) const {
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return axis;
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}
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ID_INLINE bool idClipModel::IsRenderModel( void ) const {
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return ( renderModelHandle != -1 );
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}
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ID_INLINE bool idClipModel::IsTraceModel( void ) const {
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return ( traceModelIndex != -1 );
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}
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ID_INLINE bool idClipModel::IsLinked( void ) const {
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return ( clipLinks != NULL );
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}
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ID_INLINE bool idClipModel::IsEnabled( void ) const {
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return enabled;
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}
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ID_INLINE bool idClipModel::IsEqual( const idTraceModel &trm ) const {
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return ( traceModelIndex != -1 && *GetCachedTraceModel( traceModelIndex ) == trm );
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}
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ID_INLINE const idTraceModel *idClipModel::GetTraceModel( void ) const {
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if ( !IsTraceModel() ) {
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return NULL;
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}
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return idClipModel::GetCachedTraceModel( traceModelIndex );
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}
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//===============================================================
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//
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// idClip
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//
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//===============================================================
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class idClip {
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friend class idClipModel;
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public:
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idClip( void );
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void Init( void );
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void Shutdown( void );
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// clip versus the rest of the world
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bool Translation( trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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//HUMANEHAD rww - translation with overhead of checking game logic for collision allowance
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bool TranslationWithExceptions( trace_t &results, const idVec3 &start, const idVec3 &end, idEntity *ent,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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bool Rotation( trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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bool Motion( trace_t &results, const idVec3 &start, const idVec3 &end, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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int Contacts( contactInfo_t *contacts, const int maxContacts, const idVec3 &start, const idVec6 &dir, const float depth,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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int Contents( const idVec3 &start,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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// special case translations versus the rest of the world
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bool TracePoint( trace_t &results, const idVec3 &start, const idVec3 &end,
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int contentMask, const idEntity *passEntity );
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bool TraceBounds( trace_t &results, const idVec3 &start, const idVec3 &end, const idBounds &bounds,
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int contentMask, const idEntity *passEntity );
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// clip versus a specific model
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void TranslationModel( trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask,
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cmHandle_t model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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void RotationModel( trace_t &results, const idVec3 &start, const idRotation &rotation,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask,
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cmHandle_t model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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int ContactsModel( contactInfo_t *contacts, const int maxContacts, const idVec3 &start, const idVec6 &dir, const float depth,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask,
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cmHandle_t model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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int ContentsModel( const idVec3 &start,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask,
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cmHandle_t model, const idVec3 &modelOrigin, const idMat3 &modelAxis );
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// clip versus all entities but not the world
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void TranslationEntities( trace_t &results, const idVec3 &start, const idVec3 &end,
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const idClipModel *mdl, const idMat3 &trmAxis, int contentMask, const idEntity *passEntity );
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// get a contact feature
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bool GetModelContactFeature( const contactInfo_t &contact, const idClipModel *clipModel, idFixedWinding &winding ) const;
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// get entities/clip models within or touching the given bounds
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int EntitiesTouchingBounds( const idBounds &bounds, int contentMask, idEntity **entityList, int maxCount ) const;
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int ClipModelsTouchingBounds( const idBounds &bounds, int contentMask, idClipModel **clipModelList, int maxCount ) const;
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const idBounds & GetWorldBounds( void ) const;
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idClipModel * DefaultClipModel( void );
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// stats and debug drawing
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void PrintStatistics( void );
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void DrawClipModels( const idVec3 &eye, const float radius, const idEntity *passEntity );
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bool DrawModelContactFeature( const contactInfo_t &contact, const idClipModel *clipModel, int lifetime ) const;
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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void CoordsForBounds( int* coords, idBounds& bounds ) const;
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static void UpdateDynamicContents( struct clipSector_s* sector );
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static void UpdateDynamicContents( idClipModel* clipModel );
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#endif //HUMANHEAD END
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// HUMANHEAD pdm
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void DrawClipModelsInTree_r( const struct clipSector_s *node, const idVec3 &eye );
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// HUMANHEAD END
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#if !GOLD //HUMANHEAD rww
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bool CheckClipEntMatch( const struct clipSector_s *node, const idClipModel *currentClip, const idEntity *ent ) const;
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#endif //HUMANHEAD END
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private:
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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idVec3 nodeScale;
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idVec3 nodeOffset;
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idVec3 nodeOffsetVisual;
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#endif //HUMANHEAD END
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int numClipSectors;
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struct clipSector_s * clipSectors;
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idBounds worldBounds;
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idClipModel temporaryClipModel;
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idClipModel defaultClipModel;
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mutable int touchCount;
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// statistics
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int numTranslations;
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int numRotations;
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int numMotions;
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int numRenderModelTraces;
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int numContents;
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int numContacts;
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private:
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struct clipSector_s * CreateClipSectors_r( const int depth, const idBounds &bounds, idVec3 &maxSector );
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#if !_HH_CLIP_FASTSECTORS //HUMANHEAD rww
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void ClipModelsTouchingBounds_r( const struct clipSector_s *node, struct listParms_s &parms ) const;
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#endif //HUMANHEAD END
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const idTraceModel * TraceModelForClipModel( const idClipModel *mdl ) const;
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int GetTraceClipModels( const idBounds &bounds, int contentMask, const idEntity *passEntity, idClipModel **clipModelList ) const;
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void TraceRenderModel( trace_t &trace, const idVec3 &start, const idVec3 &end, const float radius, const idMat3 &axis, idClipModel *touch ) const;
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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void GetClipSectorsStaticContents( void );
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#endif //HUMANHEAD END
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};
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ID_INLINE bool idClip::TracePoint( trace_t &results, const idVec3 &start, const idVec3 &end, int contentMask, const idEntity *passEntity ) {
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Translation( results, start, end, NULL, mat3_identity, contentMask, passEntity );
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return ( results.fraction < 1.0f );
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}
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ID_INLINE bool idClip::TraceBounds( trace_t &results, const idVec3 &start, const idVec3 &end, const idBounds &bounds, int contentMask, const idEntity *passEntity ) {
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temporaryClipModel.LoadModel( idTraceModel( bounds ) );
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Translation( results, start, end, &temporaryClipModel, mat3_identity, contentMask, passEntity );
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return ( results.fraction < 1.0f );
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}
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ID_INLINE const idBounds & idClip::GetWorldBounds( void ) const {
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return worldBounds;
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}
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ID_INLINE idClipModel *idClip::DefaultClipModel( void ) {
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return &defaultClipModel;
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}
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#if _HH_CLIP_FASTSECTORS //HUMANHEAD rww
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ID_INLINE void idClip::CoordsForBounds( int* coords, idBounds& bounds ) const {
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float fCoords[ 4 ];
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fCoords[ 0 ] = ( bounds[ 0 ].x - nodeOffset.x ) * nodeScale.x;
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fCoords[ 1 ] = ( bounds[ 0 ].y - nodeOffset.y ) * nodeScale.y;
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fCoords[ 2 ] = ( bounds[ 1 ].x - nodeOffset.x ) * nodeScale.x;
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fCoords[ 3 ] = ( bounds[ 1 ].y - nodeOffset.y ) * nodeScale.y;
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int i;
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for( i = 0; i < 4; i++ ) {
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coords[ i ] = idMath::FtoiFast( fCoords[ i ] );
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if( coords[ i ] < 0 ) {
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coords[ i ] = 0;
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} else if( coords[ i ] > CLIPSECTOR_WIDTH - 1 ) {
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coords[ i ] = CLIPSECTOR_WIDTH - 1;
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}
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}
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coords[ 2 ]++; coords[ 3 ]++;
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}
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#endif //HUMANHEAD END
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#endif /* !__CLIP_H__ */
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