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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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//////////////////////////////////////////////////////////////////////////////
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// //
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// plDrawableSpans Header //
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// //
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// The base plDrawable derivative for ice (triangle list) //
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// drawables. Contains the basic structure for spans and the functions //
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// to deal with them. //
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// //
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//// Version History /////////////////////////////////////////////////////////
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// //
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// 4.3.2001 mcn - Created. //
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// 5.3.2001 mcn - Completely revamped. Now plDrawableSpans *IS* the group //
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// of spans, and each span is either an icicle or patch. //
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// This eliminates the need entirely for separate drawables,//
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// at the cost of having to do a bit of extra work to //
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// maintain different types of spans in the same drawable. //
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// 4.20.2006 bob - Patches are long gone. Only icicle (or particle) spans //
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// now.
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// //
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//////////////////////////////////////////////////////////////////////////////
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#ifndef _plDrawableSpans_h
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#define _plDrawableSpans_h
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#include "hsBitVector.h"
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#include "hsTemplates.h"
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#include "plDrawable.h"
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#include "hsBounds.h"
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#include "hsMatrix44.h"
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#include "plSpanTypes.h"
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class plPipeline;
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class plMessage;
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class hsGMaterial;
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class plGeometrySpan;
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class plSpaceTree;
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class plFogEnvironment;
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class plLightInfo;
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class plGBufferGroup;
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class plParticleCore;
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class plAccessSpan;
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class plAccessVtxSpan;
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class plAccessTriSpan;
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class plVisMgr;
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class plVisRegion;
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class plClusterGroup;
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//// Class Definition ////////////////////////////////////////////////////////
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class plDISpanIndex
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{
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public:
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enum {
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kNone = 0x0,
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kMatrixOnly = 0x1,
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kDontTransformSpans = 0x2 // Only used for particle systems right now
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};
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UInt8 fFlags;
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hsTArray<UInt32> fIndices;
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hsBool IsMatrixOnly() const { return 0 != (fFlags & kMatrixOnly); }
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hsBool DontTransform() const { return 0 != ( fFlags & kDontTransformSpans ); }
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void Append(UInt32 i) { fIndices.Append(i); }
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void Reset() { fFlags = kNone; fIndices.Reset(); }
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void SetCountAndZero(int c) { fIndices.SetCountAndZero(c); }
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UInt32 GetCount() const { return fIndices.GetCount(); }
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UInt32& operator[](int i) const { return fIndices[i]; }
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};
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struct hsColorRGBA;
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class plDrawableSpans : public plDrawable
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{
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protected:
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static const UInt32 kSpanTypeMask;
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static const UInt32 kSpanIDMask;
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static const UInt32 kSpanTypeIcicle;
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static const UInt32 kSpanTypeParticleSpan;
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UInt32 fType;
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hsBool fReadyToRender;
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hsBounds3Ext fLocalBounds;
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hsBounds3Ext fWorldBounds;
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hsBounds3Ext fMaxWorldBounds;
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hsMatrix44 fLocalToWorld;
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hsMatrix44 fWorldToLocal;
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hsTArray<hsMatrix44> fLocalToWorlds;
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hsTArray<hsMatrix44> fWorldToLocals;
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hsTArray<hsMatrix44> fLocalToBones;
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hsTArray<hsMatrix44> fBoneToLocals;
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hsTArray<hsGMaterial *> fMaterials;
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mutable plSpaceTree* fSpaceTree;
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hsBitVector fVisSet; // the or of all our spans visset's. Doesn't have to be exact, just conservative.
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hsBitVector fVisNot; // same, but for visregions that exclude us.
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mutable hsBitVector fLastVisSet; // Last vis set we were evaluated against.
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mutable hsBitVector fLastVisNot; // Last exclusion set we were evaluated agains.
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hsBitVector fVisCache; // the enabled section of the space tree
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hsTArray<plIcicle> fIcicles;
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hsTArray<plParticleSpan> fParticleSpans;
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hsTArray<plSpan *> fSpans; // Pointers into the above two arrays
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hsTArray<UInt32> fSpanSourceIndices; // For volatile drawables only
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hsTArray<plGBufferGroup *> fGroups;
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hsTArray<plDISpanIndex*> fDIIndices;
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UInt32 fProps;
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UInt32 fCriteria;
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plRenderLevel fRenderLevel;
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plLoadMask fLoadMask;
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hsBool fRegisteredForRecreate, fNeedCleanup;
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hsBool fRegisteredForRender;
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hsBitVector fParticleSpanVector;
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hsBitVector fBlendingSpanVector;
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hsBitVector fFakeBlendingSpanVector;
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plKey fSceneNode;
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hsBool fSettingMatIdxLock;
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UInt32 fSkinTime;
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/// Export-only members
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hsTArray<plGeometrySpan *> fSourceSpans;
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hsBool fOptimized;
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virtual void IQuickSpaceTree( void ) const;
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// Temp placeholder function. See code for comments.
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void IUpdateMatrixPaletteBoundsHack( );
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void ICleanupMatrices();
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void IRemoveGarbage( void );
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void IAdjustSortData( plGBufferTriangle *triList, UInt32 count, UInt32 threshhold, Int32 delta );
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// The following two functions return true if they create a new span, false if it's just an instance
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hsBool IConvertGeoSpanToVertexSpan( plGeometrySpan *geoSpan, plVertexSpan *span, int lod, plVertexSpan *instancedParent );
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hsBool IConvertGeoSpanToIcicle( plGeometrySpan *geoSpan, plIcicle *icicle, int lod, plIcicle *instancedParent = nil );
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void IUpdateIcicleFromGeoSpan( plGeometrySpan *geoSpan, plIcicle *icicle );
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void IUpdateVertexSpanFromGeoSpan( plGeometrySpan *geoSpan, plVertexSpan *span );
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UInt32 IXlateSpanProps( UInt32 props, hsBool xlateToSpan );
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UInt32 IAddAMaterial( hsGMaterial *material );
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UInt32 IRefMaterial( UInt32 index );
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void ICheckToRemoveMaterial( UInt32 materialIdx );
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// Annoying to need this, but necessary until materials can test for properties on any of their layers (might add in the future)
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hsBool ITestMatForSpecularity( hsGMaterial *mat );
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void IAssignMatIdxToSpan( plSpan *span, hsGMaterial *mtl );
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// Create the sorting data for a given span and flag it as sortable
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void ICheckSpanForSortable( UInt32 idx ) { if( !(fSpans[idx]->fProps & plSpan::kPropFacesSortable) )IMakeSpanSortable(idx); }
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void IMakeSpanSortable( UInt32 index );
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/// Bit vector build thingies
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virtual void IBuildVectors( void );
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hsBool IBoundsInvalid(const hsBounds3Ext& bnd) const;
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/// EXPORT-ONLY FUNCTIONS
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// Packs the span indices
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void IPackSourceSpans( void );
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// Sort the spans
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void ISortSourceSpans( void );
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// Compare two spans for sorting
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short ICompareSpans( plGeometrySpan *span1, plGeometrySpan *span2 );
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// Find a buffer group of the given format (returns its index into fGroups)
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UInt8 IFindBufferGroup( UInt8 vtxFormat, UInt32 numVertsNeeded, int lod, hsBool vertVolatile, hsBool idxVolatile);
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// Write a span to a stream
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void IWriteSpan( hsStream *s, plSpan *span );
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/// EXPORT-ONLY FUNCTIONS
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/// DYNAMIC FUNCTIONS
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plDISpanIndex *IFindDIIndices( UInt32 &index );
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void IRebuildSpanArray( void );
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plParticleSpan *ICreateParticleIcicle( hsGMaterial *material, plParticleSet *set );
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virtual void SetKey(plKey k);
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public:
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plDrawableSpans();
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virtual ~plDrawableSpans();
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CLASSNAME_REGISTER( plDrawableSpans );
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GETINTERFACE_ANY( plDrawableSpans, plDrawable );
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virtual void SetNativeTransform(UInt32 idx, const hsMatrix44& l2w, const hsMatrix44& w2l);
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virtual plDrawable& SetTransform( UInt32 index, const hsMatrix44& l2w, const hsMatrix44& w2l);
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virtual const hsMatrix44& GetLocalToWorld( UInt32 index = (UInt32)-1 ) const;
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virtual const hsMatrix44& GetWorldToLocal( UInt32 index = (UInt32)-1 ) const;
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virtual plDrawable& SetProperty( UInt32 index, int prop, hsBool on );
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virtual hsBool GetProperty( UInt32 index, int prop ) const;
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virtual plDrawable& SetProperty( int prop, hsBool on );
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virtual hsBool GetProperty( int prop ) const;
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virtual plDrawable& SetNativeProperty( int prop, hsBool on ) { if( on ) fProps |= prop; else fProps &= ~prop; return *this; }
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virtual hsBool GetNativeProperty( int prop ) const { return ( fProps & prop ) ? true : false; }
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virtual plDrawable& SetNativeProperty( UInt32 index, int prop, hsBool on );
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virtual hsBool GetNativeProperty( UInt32 index, int prop ) const;
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virtual plDrawable& SetSubType( UInt32 index, plSubDrawableType t, hsBool on );
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virtual UInt32 GetSubType( UInt32 index ) const; // returns or of all spans with this index (index==-1 is all spans).
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virtual UInt32 GetType( void ) const { return fType; }
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virtual void SetType( UInt32 type ) { fType = type; }
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virtual void SetRenderLevel(const plRenderLevel& l);
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virtual const plRenderLevel& GetRenderLevel() const;
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const hsBounds3Ext& GetLocalBounds( UInt32 index = (UInt32)-1 ) const;
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const hsBounds3Ext& GetWorldBounds( UInt32 index = (UInt32)-1 ) const;
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const hsBounds3Ext& GetMaxWorldBounds( UInt32 index = (UInt32)-1 ) const;
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virtual void Read(hsStream* s, hsResMgr* mgr);
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virtual void Write(hsStream* s, hsResMgr* mgr);
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virtual plSpaceTree* GetSpaceTree() const { if(!fSpaceTree)IQuickSpaceTree(); return fSpaceTree; }
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virtual void SetSpaceTree(plSpaceTree* st) const;
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virtual void SetVisSet(plVisMgr* visMgr);
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virtual void SetDISpanVisSet(UInt32 diIndex, hsKeyedObject* reg, hsBool on);
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virtual const plSpan *GetSpan( UInt32 index ) const { return fSpans[ index ]; }
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virtual const plSpan *GetSpan( UInt32 diIndex, UInt32 index ) const { return fSpans[ (*fDIIndices[ diIndex ])[ index ] ]; }
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virtual const UInt32 GetNumSpans( void ) const { return fSpans.GetCount(); }
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virtual const hsTArray<plSpan *> &GetSpanArray( void ) const { return fSpans; }
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hsMatrix44* GetMatrixPalette(int baseMatrix) const { return &fLocalToWorlds[baseMatrix]; }
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const hsMatrix44& GetPaletteMatrix(int i) const { return fLocalToWorlds[i]; }
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void SetInitialBone(int i, const hsMatrix44& l2b, const hsMatrix44& b2l);
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// Get the vertex buffer ref of a given group
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hsGDeviceRef *GetVertexRef( UInt32 group, UInt32 idx );
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// Get the index buffer ref of a given group
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hsGDeviceRef *GetIndexRef( UInt32 group, UInt32 idx );
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// BufferGroups accessed only by Pipeline and it's close personal acquaintances.
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plGBufferGroup* GetBufferGroup(UInt32 i) const { return fGroups[i]; }
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UInt32 GetNumBufferGroups() const { return fGroups.GetCount(); }
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const hsTArray<plGeometrySpan*>& GetSourceSpans() const { return fSourceSpans; }
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void DirtyVertexBuffer(UInt32 group, UInt32 idx);
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void DirtyIndexBuffer(UInt32 group, UInt32 idx);
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// Prepare all internal data structures for rendering
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virtual void PrepForRender( plPipeline *p );
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void SetNotReadyToRender() { fReadyToRender = false; }
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virtual hsBool MsgReceive( plMessage* msg );
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// These two should only be called by the SceneNode
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virtual plKey GetSceneNode() const { return fSceneNode; }
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virtual void SetSceneNode(plKey newNode);
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// Lookup a material in the material array
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hsGMaterial *GetMaterial( UInt32 index ) const { return ( ( index == (UInt32)-1 ) ? nil : fMaterials[ index ] ); }
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UInt32 GetNumMaterials( void ) const { return fMaterials.GetCount(); }
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// Convert intermediate data into export/run-time-ready data
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virtual void Optimize( void );
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// Called by the sceneNode to determine if we match the criteria
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virtual hsBool DoIMatch( const plDrawableCriteria& crit );
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// To set the criteria that this ice fits
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void SetCriteria( const plDrawableCriteria& crit );
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// Get a bitVector of the spans that are particle spans
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virtual hsBitVector const &GetParticleSpanVector( void ) const;
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// Get a bitVector of the spans that are blending (i.e. numMatrices > 0)
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virtual hsBitVector const &GetBlendingSpanVector( void ) const;
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// Set a single bit in the bitVector of spans that are blending
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virtual void SetBlendingSpanVectorBit( UInt32 bitNumber, hsBool on );
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// Taking span index. DI Index doesn't make sense here, because one object's DI can dereference into many materials etc.
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virtual hsGMaterial* GetSubMaterial(int index) const;
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virtual hsBool GetSubVisDists(int index, hsScalar& minDist, hsScalar& maxDist) const; // return true if span invisible before minDist and/or after maxDist
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// Used by the pipeline to keep from reskinning on multiple renders per frame.
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UInt32 GetSkinTime() const { return fSkinTime; }
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void SetSkinTime(UInt32 t) { fSkinTime = t; }
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void UnPackCluster(plClusterGroup* cluster);
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/// EXPORT-ONLY FUNCTIONS
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virtual UInt32 AddDISpans( hsTArray<plGeometrySpan *> &spans, UInt32 index = (UInt32)-1);
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virtual plDISpanIndex& GetDISpans( UInt32 index ) const;
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// Data Access functions
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// Runtime
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hsPoint3& GetPosition(int spanIdx, int vtxIdx);
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hsVector3& GetNormal(int spanIdx, int vtxIdx);
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UInt32 GetNumTris(int spanIdx);
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UInt16* GetIndexList(int spanIdx);
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// Conversion (before geometryspans get tossed (at write)).
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UInt32 CvtGetNumVerts(int spanIdx) const;
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hsPoint3& CvtGetPosition(int spanIdx, int vtxIdx);
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hsVector3& CvtGetNormal(int spanIdx, int vtxIdx);
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UInt32 CvtGetNumTris(int spanIdx);
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UInt16* CvtGetIndexList(int spanIdx);
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plGeometrySpan* GetGeometrySpan(int spanIdx);
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/// DYNAMIC FUNCTIONS
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virtual void RemoveDISpans( UInt32 index );
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virtual UInt32 AppendDISpans( hsTArray<plGeometrySpan *> &spans, UInt32 index = (UInt32)-1, hsBool clearSpansAfterAdd = true, hsBool doNotAddToSource = false, hsBool addToFront = false, int lod = 0 );
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virtual UInt32 RefreshDISpans( UInt32 diIndex );
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virtual UInt32 RefreshSpan( UInt32 srcSpanIndex );
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virtual void RemoveDIMatrixSpans(UInt32 index);
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virtual UInt32 AppendDIMatrixSpans(int n);
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virtual UInt32 FindBoneBaseMatrix(const hsTArray<hsMatrix44>& initL2B, hsBool searchAll) const;
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virtual UInt32 NewDIMatrixIndex();
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void SortSpan( UInt32 index, plPipeline *pipe );
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void SortVisibleSpans(const hsTArray<Int16>& visList, plPipeline* pipe);
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void SortVisibleSpansPartial(const hsTArray<Int16>& visList, plPipeline* pipe);
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void CleanUpGarbage( void ) { IRemoveGarbage(); }
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/// Funky particle system functions
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virtual UInt32 CreateParticleSystem( UInt32 maxNumEmitters, UInt32 maxNumParticles, hsGMaterial *material );
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virtual void ResetParticleSystem( UInt32 index );
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virtual void AssignEmitterToParticleSystem( UInt32 index, plParticleEmitter *emitter );
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/// SceneViewer only!
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void GetOrigGeometrySpans( UInt32 diIndex, hsTArray<plGeometrySpan *> &arrayToFill );
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void ClearAndSetMaterialCount(UInt32 count);
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};
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#endif // _plDrawableSpans_h
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