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Annotation of /trunk/linden/indra/newview/llvovolume.h

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Original Path: linden_release/linden/indra/newview/llvovolume.h

1 :	mjm	57	/**
2 :			* @file llvovolume.h
3 :			* @brief LLVOVolume class header file
4 :			*
5 :			* $LicenseInfo:firstyear=2001&license=viewergpl$
6 :			*
7 :			* Copyright (c) 2001-2008, Linden Research, Inc.
8 :			*
9 :			* Second Life Viewer Source Code
10 :			* The source code in this file ("Source Code") is provided by Linden Lab
11 :			* to you under the terms of the GNU General Public License, version 2.0
12 :			* ("GPL"), unless you have obtained a separate licensing agreement
13 :			* ("Other License"), formally executed by you and Linden Lab. Terms of
14 :			* the GPL can be found in doc/GPL-license.txt in this distribution, or
15 :			* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
16 :			*
17 :			* There are special exceptions to the terms and conditions of the GPL as
18 :			* it is applied to this Source Code. View the full text of the exception
19 :			* in the file doc/FLOSS-exception.txt in this software distribution, or
20 :			* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
21 :			*
22 :			* By copying, modifying or distributing this software, you acknowledge
23 :			* that you have read and understood your obligations described above,
24 :			* and agree to abide by those obligations.
25 :			*
26 :			* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
27 :			* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
28 :			* COMPLETENESS OR PERFORMANCE.
29 :			* $/LicenseInfo$
30 :			*/
31 :
32 :			#ifndef LL_LLVOVOLUME_H
33 :			#define LL_LLVOVOLUME_H
34 :
35 :			#include "llviewerobject.h"
36 :			#include "llviewerimage.h"
37 :			#include "llframetimer.h"
38 :			#include "llapr.h"
39 :			#include <map>
40 :
41 :			class LLViewerTextureAnim;
42 :			class LLDrawPool;
43 :			class LLSelectNode;
44 :
45 :			enum LLVolumeInterfaceType
46 :			{
47 :			INTERFACE_FLEXIBLE = 1,
48 :			};
49 :
50 :			// Base class for implementations of the volume - Primitive, Flexible Object, etc.
51 :			class LLVolumeInterface
52 :			{
53 :			public:
54 :			virtual ~LLVolumeInterface() { }
55 :			virtual LLVolumeInterfaceType getInterfaceType() const = 0;
56 :			virtual BOOL doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time) = 0;
57 :			virtual BOOL doUpdateGeometry(LLDrawable *drawable) = 0;
58 :			virtual LLVector3 getPivotPosition() const = 0;
59 :			virtual void onSetVolume(const LLVolumeParams &volume_params, const S32 detail) = 0;
60 :			virtual void onSetScale(const LLVector3 &scale, BOOL damped) = 0;
61 :			virtual void onParameterChanged(U16 param_type, LLNetworkData *data, BOOL in_use, bool local_origin) = 0;
62 :			virtual void onShift(const LLVector3 &shift_vector) = 0;
63 :			virtual bool isVolumeUnique() const = 0; // Do we need a unique LLVolume instance?
64 :			virtual bool isVolumeGlobal() const = 0; // Are we in global space?
65 :			virtual bool isActive() const = 0; // Is this object currently active?
66 :			virtual const LLMatrix4& getWorldMatrix(LLXformMatrix* xform) const = 0;
67 :			virtual void updateRelativeXform() = 0;
68 :			virtual U32 getID() const = 0;
69 :			virtual void preRebuild() = 0;
70 :			};
71 :
72 :			// Class which embodies all Volume objects (with pcode LL_PCODE_VOLUME)
73 :			class LLVOVolume : public LLViewerObject
74 :			{
75 :			protected:
76 :			virtual ~LLVOVolume();
77 :
78 :			public:
79 :			static void initClass();
80 :			static void preUpdateGeom();
81 :
82 :			enum
83 :			{
84 :			VERTEX_DATA_MASK = (1 << LLVertexBuffer::TYPE_VERTEX) \|
85 :			(1 << LLVertexBuffer::TYPE_NORMAL) \|
86 :			(1 << LLVertexBuffer::TYPE_TEXCOORD) \|
87 :			(1 << LLVertexBuffer::TYPE_TEXCOORD2) \|
88 :			(1 << LLVertexBuffer::TYPE_COLOR)
89 :			};
90 :
91 :			public:
92 :			LLVOVolume(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
93 :
94 :			/virtual/ LLDrawable* createDrawable(LLPipeline *pipeline);
95 :
96 :			void deleteFaces();
97 :
98 :			void animateTextures();
99 :			/virtual/ BOOL idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
100 :
101 :			/virtual/ BOOL isActive() const;
102 :			/virtual/ BOOL isAttachment() const;
103 :			/virtual/ BOOL isRootEdit() const; // overridden for sake of attachments treating themselves as a root object
104 :			/virtual/ BOOL isHUDAttachment() const;
105 :
106 :			void generateSilhouette(LLSelectNode* nodep, const LLVector3& view_point);
107 :			/virtual/ void setParent(LLViewerObject* parent);
108 :			S32 getLOD() const { return mLOD; }
109 :			const LLVector3 getPivotPositionAgent() const;
110 :			const LLMatrix4& getRelativeXform() const { return mRelativeXform; }
111 :			const LLMatrix3& getRelativeXformInvTrans() const { return mRelativeXformInvTrans; }
112 :			/virtual/ const LLMatrix4 getRenderMatrix() const;
113 :
114 :
115 :			/virtual/ BOOL lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
116 :			S32 face = -1, // which face to check, -1 = ALL_SIDES
117 :			S32* face_hit = NULL, // which face was hit
118 :			LLVector3* intersection = NULL, // return the intersection point
119 :			LLVector2* tex_coord = NULL, // return the texture coordinates of the intersection point
120 :			LLVector3* normal = NULL, // return the surface normal at the intersection point
121 :			LLVector3* bi_normal = NULL // return the surface bi-normal at the intersection point
122 :			);
123 :
124 :			LLVector3 agentPositionToVolume(const LLVector3& pos) const;
125 :			LLVector3 agentDirectionToVolume(const LLVector3& dir) const;
126 :			LLVector3 volumePositionToAgent(const LLVector3& dir) const;
127 :			LLVector3 volumeDirectionToAgent(const LLVector3& dir) const;
128 :
129 :
130 :			BOOL getVolumeChanged() const { return mVolumeChanged; }
131 :			F32 getTextureVirtualSize(LLFace* face);
132 :			/virtual/ F32 getRadius() const { return mVObjRadius; };
133 :			const LLMatrix4& getWorldMatrix(LLXformMatrix* xform) const;
134 :
135 :			void markForUpdate(BOOL priority) { LLViewerObject::markForUpdate(priority); mVolumeChanged = TRUE; }
136 :
137 :			/virtual/ void onShift(const LLVector3 &shift_vector); // Called when the drawable shifts
138 :
139 :			/virtual/ void parameterChanged(U16 param_type, bool local_origin);
140 :			/virtual/ void parameterChanged(U16 param_type, LLNetworkData* data, BOOL in_use, bool local_origin);
141 :
142 :			/virtual/ U32 processUpdateMessage(LLMessageSystem *mesgsys,
143 :			void **user_data,
144 :			U32 block_num, const EObjectUpdateType update_type,
145 :			LLDataPacker *dp);
146 :
147 :			/virtual/ void setSelected(BOOL sel);
148 :			/virtual/ BOOL setDrawableParent(LLDrawable* parentp);
149 :
150 :			/virtual/ void setScale(const LLVector3 &scale, BOOL damped);
151 :
152 :			/virtual/ void setTEImage(const U8 te, LLViewerImage *imagep);
153 :			/virtual/ S32 setTETexture(const U8 te, const LLUUID &uuid);
154 :			/virtual/ S32 setTEColor(const U8 te, const LLColor3 &color);
155 :			/virtual/ S32 setTEColor(const U8 te, const LLColor4 &color);
156 :			/virtual/ S32 setTEBumpmap(const U8 te, const U8 bump);
157 :			/virtual/ S32 setTEShiny(const U8 te, const U8 shiny);
158 :			/virtual/ S32 setTEFullbright(const U8 te, const U8 fullbright);
159 :			/virtual/ S32 setTEMediaFlags(const U8 te, const U8 media_flags);
160 :			/virtual/ S32 setTEGlow(const U8 te, const F32 glow);
161 :			/virtual/ S32 setTEScale(const U8 te, const F32 s, const F32 t);
162 :			/virtual/ S32 setTEScaleS(const U8 te, const F32 s);
163 :			/virtual/ S32 setTEScaleT(const U8 te, const F32 t);
164 :			/virtual/ S32 setTETexGen(const U8 te, const U8 texgen);
165 :			/virtual/ BOOL setMaterial(const U8 material);
166 :
167 :			void setTexture(const S32 face);
168 :
169 :			/virtual/ BOOL setVolume(const LLVolumeParams &volume_params, const S32 detail, bool unique_volume = false);
170 :			void sculpt();
171 :			void updateRelativeXform();
172 :			/virtual/ BOOL updateGeometry(LLDrawable *drawable);
173 :			/virtual/ void updateFaceSize(S32 idx);
174 :			/virtual/ BOOL updateLOD();
175 :			void updateRadius();
176 :			/virtual/ void updateTextures(LLAgent &agent);
177 :			void updateTextures();
178 :
179 :			void updateFaceFlags();
180 :			void regenFaces();
181 :			BOOL genBBoxes(BOOL force_global);
182 :			void preRebuild();
183 :			virtual void updateSpatialExtents(LLVector3& min, LLVector3& max);
184 :			virtual F32 getBinRadius();
185 :
186 :			virtual U32 getPartitionType() const;
187 :
188 :			// For Lights
189 :			void setIsLight(BOOL is_light);
190 :			void setLightColor(const LLColor3& color);
191 :			void setLightIntensity(F32 intensity);
192 :			void setLightRadius(F32 radius);
193 :			void setLightFalloff(F32 falloff);
194 :			void setLightCutoff(F32 cutoff);
195 :			BOOL getIsLight() const;
196 :			LLColor3 getLightBaseColor() const; // not scaled by intensity
197 :			LLColor3 getLightColor() const; // scaled by intensity
198 :			F32 getLightIntensity() const;
199 :			F32 getLightRadius() const;
200 :			F32 getLightFalloff() const;
201 :			F32 getLightCutoff() const;
202 :
203 :			// Flexible Objects
204 :			U32 getVolumeInterfaceID() const;
205 :			virtual BOOL isFlexible() const;
206 :			virtual BOOL isSculpted() const;
207 :			BOOL isVolumeGlobal() const;
208 :			BOOL canBeFlexible() const;
209 :			BOOL setIsFlexible(BOOL is_flexible);
210 :
211 :			protected:
212 :			S32 computeLODDetail(F32 distance, F32 radius);
213 :			BOOL calcLOD();
214 :			LLFace* addFace(S32 face_index);
215 :			void updateTEData();
216 :
217 :			public:
218 :			LLViewerTextureAnim *mTextureAnimp;
219 :			U8 mTexAnimMode;
220 :			private:
221 :			friend class LLDrawable;
222 :
223 :			BOOL mFaceMappingChanged;
224 :			LLFrameTimer mTextureUpdateTimer;
225 :			S32 mLOD;
226 :			BOOL mLODChanged;
227 :			S32 mSculptLevel;
228 :			BOOL mSculptChanged;
229 :			LLMatrix4 mRelativeXform;
230 :			LLMatrix3 mRelativeXformInvTrans;
231 :			BOOL mVolumeChanged;
232 :			F32 mVObjRadius;
233 :			LLVolumeInterface *mVolumeImpl;
234 :			LLPointer<LLViewerImage> mSculptTexture;
235 :
236 :			// statics
237 :			public:
238 :			static F32 sLODSlopDistanceFactor;// Changing this to zero, effectively disables the LOD transition slop
239 :			static F32 sLODFactor; // LOD scale factor
240 :			static F32 sDistanceFactor; // LOD distance factor
241 :
242 :			protected:
243 :			static S32 sNumLODChanges;
244 :
245 :			friend class LLVolumeImplFlexible;
246 :			};
247 :
248 :			#endif // LL_LLVOVOLUME_H

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Annotation of /trunk/linden/indra/newview/llvovolume.h