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/**
* @file lldrawable.h
* @brief LLDrawable class definition
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_DRAWABLE_H
#define LL_DRAWABLE_H
#include <vector>
#include <map>
#include "v2math.h"
#include "v3math.h"
#include "v4math.h"
#include "m4math.h"
#include "v4coloru.h"
#include "llquaternion.h"
#include "xform.h"
#include "llmemtype.h"
#include "llprimitive.h"
#include "lldarray.h"
#include "llstat.h"
#include "llviewerobject.h"
#include "llrect.h"
#include "llappviewer.h" // for gFrameTimeSeconds
#include "llimagej2c.h"
class LLCamera;
class LLDrawPool;
class LLDrawable;
class LLFace;
class LLSpatialGroup;
class LLSpatialBridge;
class LLSpatialPartition;
class LLVOVolume;
class LLViewerImage;
// Can have multiple silhouettes for each object
const U32 SILHOUETTE_HIGHLIGHT = 0;
// All data for new renderer goes into this class.
class LLDrawable : public LLRefCount
{
public:
static void initClass();
LLDrawable() { init(); }
MEM_TYPE_NEW(LLMemType::MTYPE_DRAWABLE);
void markDead(); // Mark this drawable as dead
BOOL isDead() const { return isState(DEAD); }
BOOL isNew() const { return !isState(BUILT); }
BOOL isLight() const;
BOOL isVisible() const;
virtual void setVisible(LLCamera& camera_in, std::vector<LLDrawable*>* results = NULL, BOOL for_select = FALSE);
LLViewerRegion* getRegion() const { return mVObjp->getRegion(); }
const LLTextureEntry* getTextureEntry(U8 which) const { return mVObjp->getTE(which); }
LLPointer<LLViewerObject>& getVObj() { return mVObjp; }
const LLViewerObject *getVObj() const { return mVObjp; }
LLVOVolume* getVOVolume() const; // cast mVObjp tp LLVOVolume if OK
const LLMatrix4& getWorldMatrix() const { return mXform.getWorldMatrix(); }
const LLMatrix4& getRenderMatrix() const { return isRoot() ? getWorldMatrix() : getParent()->getWorldMatrix(); }
void setPosition(LLVector3 v) const { }
const LLVector3& getPosition() const { return mXform.getPosition(); }
const LLVector3& getWorldPosition() const { return mXform.getPositionW(); }
const LLVector3 getPositionAgent() const;
const LLVector3d& getPositionGroup() const { return mPositionGroup; }
const LLVector3& getScale() const { return mCurrentScale; }
const LLQuaternion& getWorldRotation() const { return mXform.getWorldRotation(); }
const LLQuaternion& getRotation() const { return mXform.getRotation(); }
F32 getIntensity() const { return llmin(mXform.getScale().mV[0], 4.f); }
S32 getLOD() const { return mVObjp ? mVObjp->getLOD() : 1; }
F64 getBinRadius() const { return mBinRadius; }
void getMinMax(LLVector3& min,LLVector3& max) const { mXform.getMinMax(min,max); }
LLXformMatrix* getXform() { return &mXform; }
U32 getState() const { return mState; }
BOOL isState (U32 bits) const { return ((mState & bits) != 0); }
void setState (U32 bits) { mState |= bits; }
void clearState(U32 bits) { mState &= ~bits; }
BOOL isAvatar() const { return mVObjp.notNull() && mVObjp->isAvatar(); }
BOOL isRoot() const { return !mParent || mParent->isAvatar(); }
BOOL isSpatialRoot() const { return !mParent || mParent->isAvatar(); }
virtual BOOL isSpatialBridge() const { return FALSE; }
virtual LLSpatialPartition* asPartition() { return NULL; }
LLDrawable* getParent() const { return mParent; }
// must set parent through LLViewerObject:: ()
//BOOL setParent(LLDrawable *parent);
inline LLFace* getFace(const S32 i) const;
inline S32 getNumFaces() const;
//void removeFace(const S32 i); // SJB: Avoid using this, it's slow
LLFace* addFace(LLFacePool *poolp, LLViewerImage *texturep);
LLFace* addFace(const LLTextureEntry *te, LLViewerImage *texturep);
void deleteFaces(S32 offset, S32 count);
void setNumFaces(const S32 numFaces, LLFacePool *poolp, LLViewerImage *texturep);
void setNumFacesFast(const S32 numFaces, LLFacePool *poolp, LLViewerImage *texturep);
void mergeFaces(LLDrawable* src);
void init();
void destroy();
void update();
F32 updateXform(BOOL undamped);
virtual void makeActive();
/*virtual*/ void makeStatic(BOOL warning_enabled = TRUE);
BOOL isActive() const { return isState(ACTIVE); }
BOOL isStatic() const { return !isActive(); }
BOOL isAnimating() const;
virtual BOOL updateMove();
virtual void movePartition();
void updateTexture();
void updateMaterial();
virtual void updateDistance(LLCamera& camera);
BOOL updateGeometry(BOOL priority);
void updateFaceSize(S32 idx);
void updateSpecialHoverCursor(BOOL enabled);
virtual void shiftPos(const LLVector3 &shift_vector);
S32 getGeneration() const { return mGeneration; }
BOOL getLit() const { return isState(UNLIT) ? FALSE : TRUE; }
void setLit(BOOL lit) { lit ? clearState(UNLIT) : setState(UNLIT); }
virtual void cleanupReferences();
void setRadius(const F32 radius);
F32 getRadius() const { return mRadius; }
F32 getVisibilityRadius() const;
void updateUVMinMax(); // Updates the cache of sun space bounding box.
const LLVector3& getBounds(LLVector3& min, LLVector3& max) const;
virtual void updateSpatialExtents();
virtual void updateBinRadius();
const LLVector3* getSpatialExtents() const;
void setSpatialExtents(LLVector3 min, LLVector3 max);
void setPositionGroup(const LLVector3d& pos);
void setPositionGroup(const LLVector3& pos) { setPositionGroup(LLVector3d(pos)); }
void setRenderType(S32 type) { mRenderType = type; }
BOOL isRenderType(S32 type) { return mRenderType == type; }
S32 getRenderType() { return mRenderType; }
// Debugging methods
S32 findReferences(LLDrawable *drawablep); // Not const because of @#$! iterators...
void setSpatialGroup(LLSpatialGroup *groupp);
LLSpatialGroup *getSpatialGroup() const { return mSpatialGroupp; }
LLSpatialPartition* getSpatialPartition();
// Statics
static void incrementVisible();
static void cleanupDeadDrawables();
protected:
~LLDrawable() { destroy(); }
void moveUpdatePipeline(BOOL moved);
void updatePartition();
BOOL updateMoveDamped();
BOOL updateMoveUndamped();
public:
friend class LLPipeline;
friend class LLDrawPool;
friend class LLSpatialBridge;
typedef std::set<LLPointer<LLDrawable> > drawable_set_t;
typedef std::vector<LLPointer<LLDrawable> > drawable_vector_t;
typedef std::list<LLPointer<LLDrawable> > drawable_list_t;
typedef std::queue<LLPointer<LLDrawable> > drawable_queue_t;
struct CompareDistanceGreater
{
bool operator()(const LLDrawable* const& lhs, const LLDrawable* const& rhs)
{
return lhs->mDistanceWRTCamera < rhs->mDistanceWRTCamera; // farthest = last
}
};
struct CompareDistanceGreaterVisibleFirst
{
bool operator()(const LLDrawable* const& lhs, const LLDrawable* const& rhs)
{
if (lhs->isVisible() && !rhs->isVisible())
{
return TRUE; //visible things come first
}
else if (!lhs->isVisible() && rhs->isVisible())
{
return FALSE; //rhs is visible, comes first
}
return lhs->mDistanceWRTCamera < rhs->mDistanceWRTCamera; // farthest = last
}
};
typedef enum e_drawable_flags
{
IN_REBUILD_Q1 = 0x00000002,
IN_REBUILD_Q2 = 0x00000004,
IN_LIGHT_Q = 0x00000008,
EARLY_MOVE = 0x00000010,
MOVE_UNDAMPED = 0x00000020,
ON_MOVE_LIST = 0x00000040,
USE_BACKLIGHT = 0x00000080,
UV = 0x00000100,
UNLIT = 0x00000200,
LIGHT = 0x00000400,
LIGHTING_BUILT = 0x00000800,
REBUILD_VOLUME = 0x00001000, //volume changed LOD or parameters, or vertex buffer changed
REBUILD_TCOORD = 0x00002000, //texture coordinates changed
REBUILD_COLOR = 0x00004000, //color changed
REBUILD_POSITION= 0x00010000, //vertex positions/normals changed
REBUILD_GEOMETRY= REBUILD_POSITION|REBUILD_TCOORD|REBUILD_COLOR,
REBUILD_MATERIAL= REBUILD_TCOORD|REBUILD_COLOR,
REBUILD_ALL = REBUILD_GEOMETRY|REBUILD_VOLUME,
ON_SHIFT_LIST = 0x00100000,
BLOCKER = 0x00400000,
ACTIVE = 0x00800000,
DEAD = 0x01000000,
INVISIBLE = 0x02000000, // stay invisible until flag is cleared
NEARBY_LIGHT = 0x04000000, // In gPipeline.mNearbyLightSet
BUILT = 0x08000000,
FORCE_INVISIBLE = 0x10000000, // stay invis until CLEAR_INVISIBLE is set (set of orphaned)
CLEAR_INVISIBLE = 0x20000000, // clear FORCE_INVISIBLE next draw frame
REBUILD_SHADOW = 0x40000000
} EDrawableFlags;
LLXformMatrix mXform;
// vis data
LLPointer<LLDrawable> mParent;
F32 mDistanceWRTCamera;
S32 mQuietCount;
static S32 getCurrentFrame() { return sCurVisible; }
void setSpatialBridge(LLSpatialBridge* bridge) { mSpatialBridge = (LLDrawable*) bridge; }
LLSpatialBridge* getSpatialBridge() { return (LLSpatialBridge*) (LLDrawable*) mSpatialBridge; }
static F32 sCurPixelAngle; //current pixels per radian
private:
typedef std::vector<LLFace*> face_list_t;
U32 mState;
S32 mRenderType;
LLPointer<LLViewerObject> mVObjp;
face_list_t mFaces;
LLSpatialGroup* mSpatialGroupp;
LLPointer<LLDrawable> mSpatialBridge;
mutable U32 mVisible;
F32 mRadius;
LLVector3 mExtents[2];
LLVector3d mPositionGroup;
F64 mBinRadius;
S32 mGeneration;
LLVector3 mCurrentScale;
static U32 sCurVisible; // Counter for what value of mVisible means currently visible
static U32 sNumZombieDrawables;
static LLDynamicArrayPtr<LLPointer<LLDrawable> > sDeadList;
};
inline LLFace* LLDrawable::getFace(const S32 i) const
{
llassert((U32)i < mFaces.size());
llassert(mFaces[i]);
return mFaces[i];
}
inline S32 LLDrawable::getNumFaces()const
{
return (S32)mFaces.size();
}
#endif
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