summaryrefslogtreecommitdiff
path: root/indra/llcharacter/lljoint.h
blob: 8c8e5930fba20d9ba7b8758fd80969707677a3c8 (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
/** 
 * @file lljoint.h
 * @brief Implementation of LLJoint class.
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLJOINT_H
#define LL_LLJOINT_H

//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include <string>

#include "linked_lists.h"
#include "v3math.h"
#include "v4math.h"
#include "m4math.h"
#include "llquaternion.h"
#include "xform.h"
#include "lldarray.h"

const S32 LL_CHARACTER_MAX_JOINTS_PER_MESH = 15;
const U32 LL_CHARACTER_MAX_JOINTS = 32; // must be divisible by 4!
const U32 LL_HAND_JOINT_NUM = 31;
const U32 LL_FACE_JOINT_NUM = 30;
const S32 LL_CHARACTER_MAX_PRIORITY = 7;
const F32 LL_MAX_PELVIS_OFFSET = 5.f;

//-----------------------------------------------------------------------------
// class LLJoint
//-----------------------------------------------------------------------------
class LLJoint
{
public:
	// priority levels, from highest to lowest
	enum JointPriority
	{
		USE_MOTION_PRIORITY = -1,
		LOW_PRIORITY = 0,
		MEDIUM_PRIORITY,
		HIGH_PRIORITY,
		HIGHER_PRIORITY,
		HIGHEST_PRIORITY,
		ADDITIVE_PRIORITY = LL_CHARACTER_MAX_PRIORITY
	};

	enum DirtyFlags
	{
		MATRIX_DIRTY = 0x1 << 0,
		ROTATION_DIRTY = 0x1 << 1,
		POSITION_DIRTY = 0x1 << 2,
		ALL_DIRTY = 0x7
	};
protected:
	std::string	mName;

	// parent joint
	LLJoint	*mParent;

	// explicit transformation members
	LLXformMatrix		mXform;

public:
	U32				mDirtyFlags;
	BOOL			mUpdateXform;

	// describes the skin binding pose
	LLVector3		mSkinOffset;

	S32				mJointNum;

	// child joints
	typedef std::list<LLJoint*> child_list_t;
	child_list_t mChildren;

	// debug statics
	static S32		sNumTouches;
	static S32		sNumUpdates;

public:
	LLJoint();
	LLJoint( const std::string &name, LLJoint *parent=NULL );

	virtual ~LLJoint();

	// set name and parent
	void setup( const std::string &name, LLJoint *parent=NULL );

	void touch(U32 flags = ALL_DIRTY);

	// get/set name
	const std::string& getName() const { return mName; }
	void setName( const std::string &name ) { mName = name; }

	// getParent
	LLJoint *getParent() { return mParent; }

	// getRoot
	LLJoint *getRoot();

	// search for child joints by name
	LLJoint *findJoint( const std::string &name );

	// add/remove children
	void addChild( LLJoint *joint );
	void removeChild( LLJoint *joint );
	void removeAllChildren();

	// get/set local position
	const LLVector3& getPosition();
	void setPosition( const LLVector3& pos );

	// get/set world position
	LLVector3 getWorldPosition();
	LLVector3 getLastWorldPosition();
	void setWorldPosition( const LLVector3& pos );

	// get/set local rotation
	const LLQuaternion& getRotation();
	void setRotation( const LLQuaternion& rot );

	// get/set world rotation
	LLQuaternion getWorldRotation();
	LLQuaternion getLastWorldRotation();
	void setWorldRotation( const LLQuaternion& rot );

	// get/set local scale
	const LLVector3& getScale();
	void setScale( const LLVector3& scale );

	// get/set world matrix
	const LLMatrix4 &getWorldMatrix();
	void setWorldMatrix( const LLMatrix4& mat );

	void updateWorldMatrixChildren();
	void updateWorldMatrixParent();

	void updateWorldPRSParent();

	void updateWorldMatrix();

	// get/set skin offset
	const LLVector3 &getSkinOffset();
	void setSkinOffset( const LLVector3 &offset);

	LLXformMatrix	*getXform() { return &mXform; }

	void clampRotation(LLQuaternion old_rot, LLQuaternion new_rot);

	virtual BOOL isAnimatable() const { return TRUE; }

	S32 getJointNum() const { return mJointNum; }
	void setJointNum(S32 joint_num) { mJointNum = joint_num; }
};
#endif // LL_LLJOINT_H