summaryrefslogtreecommitdiff
path: root/indra/newview/lldrawable.h
blob: c765980c30ce9e5b8f66ac61a56a7fa6e18d76c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/** 
 * @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 "llviewerobject.h"
#include "llrect.h"
#include "llappviewer.h" // for gFrameTimeSeconds

class LLCamera;
class LLDrawPool;
class LLDrawable;
class LLFace;
class LLSpatialGroup;
class LLSpatialBridge;
class LLSpatialPartition;
class LLVOVolume;
class LLViewerTexture;

// 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; }
	void				  setScale(const LLVector3& scale) { mCurrentScale = scale; }
	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, LLViewerTexture *texturep);
	LLFace*				addFace(const LLTextureEntry *te, LLViewerTexture *texturep);
	void				deleteFaces(S32 offset, S32 count);
	void                setNumFaces(const S32 numFaces, LLFacePool *poolp, LLViewerTexture *texturep);
	void                setNumFacesFast(const S32 numFaces, LLFacePool *poolp, LLViewerTexture *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 force_update);
	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