aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/linden/indra/llcharacter/llpose.h
blob: ebf6a87bb7c5de8410b26a8ecfda0249a2d21d8c (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
/** 
 * @file llpose.h
 * @brief Implementation of LLPose class.
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, 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_LLPOSE_H
#define LL_LLPOSE_H

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

#include "llmap.h"
#include "lljointstate.h"
#include "lljoint.h"
#include <map>


//-----------------------------------------------------------------------------
// class LLPose
//-----------------------------------------------------------------------------
class LLPose
{
	friend class LLPoseBlender;
protected:
	typedef std::map<std::string, LLPointer<LLJointState> > joint_map;
	typedef joint_map::iterator joint_map_iterator;
	typedef joint_map::value_type joint_map_value_type;
	
	joint_map					mJointMap;
	F32							mWeight;
	joint_map_iterator			mListIter;
public:
	// Iterate through jointStates
	LLJointState* getFirstJointState();
	LLJointState* getNextJointState();
	LLJointState* findJointState(LLJoint *joint);
	LLJointState* findJointState(const std::string &name);
public:
	// Constructor
	LLPose() : mWeight(0.f) {}
	// Destructor
	~LLPose();
	// add a joint state in this pose
	BOOL addJointState(const LLPointer<LLJointState>& jointState);
	// remove a joint state from this pose
	BOOL removeJointState(const LLPointer<LLJointState>& jointState);
	// removes all joint states from this pose
	BOOL removeAllJointStates();
	// set weight for all joint states in this pose
	void setWeight(F32 weight);
	// get weight for this pose
	F32 getWeight() const;
	// returns number of joint states stored in this pose
	S32 getNumJointStates() const;
};

const S32 JSB_NUM_JOINT_STATES = 6;

class LLJointStateBlender
{
protected:
	LLPointer<LLJointState>	mJointStates[JSB_NUM_JOINT_STATES];
	S32				mPriorities[JSB_NUM_JOINT_STATES];
	BOOL			mAdditiveBlends[JSB_NUM_JOINT_STATES];
public:
	LLJointStateBlender();
	~LLJointStateBlender();
	void blendJointStates(BOOL apply_now = TRUE);
	BOOL addJointState(const LLPointer<LLJointState>& joint_state, S32 priority, BOOL additive_blend);
	void interpolate(F32 u);
	void clear();
	void resetCachedJoint();

public:
	LLJoint mJointCache;
};

class LLMotion;

class LLPoseBlender
{
protected:
	typedef std::list<LLJointStateBlender*> blender_list_t;
	typedef std::map<LLJoint*,LLJointStateBlender*> blender_map_t;
	blender_map_t mJointStateBlenderPool;
	blender_list_t mActiveBlenders;

	S32			mNextPoseSlot;
	LLPose		mBlendedPose;
public:
	// Constructor
	LLPoseBlender();
	// Destructor
	~LLPoseBlender();
	
	// request motion joint states to be added to pose blender joint state records
	BOOL addMotion(LLMotion* motion);

	// blend all joint states and apply to skeleton
	void blendAndApply();

	// removes all joint state blenders from last time
	void clearBlenders();

	// blend all joint states and cache results
	void blendAndCache(BOOL reset_cached_joints);

	// interpolate all joints towards cached values
	void interpolate(F32 u);

	LLPose* getBlendedPose() { return &mBlendedPose; }
};

#endif // LL_LLPOSE_H