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llagentconstants.h：源码内容
							/** 
 * @file llagentconstants.h
 * @author James Cook, Andrew Meadows, Richard Nelson
 * @brief Shared constants through the system for agents.
 *
 * $LicenseInfo:firstyear=2006&license=viewergpl$
 * 
 * Copyright (c) 2006-2010, 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_LLAGENTCONSTANTS_H
#define LL_LLAGENTCONSTANTS_H
const U32 CONTROL_AT_POS_INDEX				= 0;
const U32 CONTROL_AT_NEG_INDEX				= 1;
const U32 CONTROL_LEFT_POS_INDEX			= 2;
const U32 CONTROL_LEFT_NEG_INDEX			= 3;
const U32 CONTROL_UP_POS_INDEX				= 4;
const U32 CONTROL_UP_NEG_INDEX				= 5;
const U32 CONTROL_PITCH_POS_INDEX			= 6;
const U32 CONTROL_PITCH_NEG_INDEX			= 7;
const U32 CONTROL_YAW_POS_INDEX				= 8;
const U32 CONTROL_YAW_NEG_INDEX				= 9;
const U32 CONTROL_FAST_AT_INDEX				= 10;
const U32 CONTROL_FAST_LEFT_INDEX			= 11;
const U32 CONTROL_FAST_UP_INDEX				= 12;
const U32 CONTROL_FLY_INDEX					= 13;
const U32 CONTROL_STOP_INDEX				= 14;
const U32 CONTROL_FINISH_ANIM_INDEX			= 15;
const U32 CONTROL_STAND_UP_INDEX			= 16;
const U32 CONTROL_SIT_ON_GROUND_INDEX		= 17;
const U32 CONTROL_MOUSELOOK_INDEX			= 18;
const U32 CONTROL_NUDGE_AT_POS_INDEX		= 19;
const U32 CONTROL_NUDGE_AT_NEG_INDEX		= 20;
const U32 CONTROL_NUDGE_LEFT_POS_INDEX		= 21;
const U32 CONTROL_NUDGE_LEFT_NEG_INDEX		= 22;
const U32 CONTROL_NUDGE_UP_POS_INDEX		= 23;
const U32 CONTROL_NUDGE_UP_NEG_INDEX		= 24;
const U32 CONTROL_TURN_LEFT_INDEX			= 25;
const U32 CONTROL_TURN_RIGHT_INDEX			= 26;
const U32 CONTROL_AWAY_INDEX				= 27;
const U32 CONTROL_LBUTTON_DOWN_INDEX		= 28;
const U32 CONTROL_LBUTTON_UP_INDEX			= 29;
const U32 CONTROL_ML_LBUTTON_DOWN_INDEX		= 30;
const U32 CONTROL_ML_LBUTTON_UP_INDEX		= 31;
const U32 TOTAL_CONTROLS					= 32;
const U32 AGENT_CONTROL_AT_POS              = 0x1 << CONTROL_AT_POS_INDEX;			// 0x00000001
const U32 AGENT_CONTROL_AT_NEG              = 0x1 << CONTROL_AT_NEG_INDEX;			// 0x00000002
const U32 AGENT_CONTROL_LEFT_POS            = 0x1 << CONTROL_LEFT_POS_INDEX;		// 0x00000004
const U32 AGENT_CONTROL_LEFT_NEG            = 0x1 << CONTROL_LEFT_NEG_INDEX;		// 0x00000008
const U32 AGENT_CONTROL_UP_POS              = 0x1 << CONTROL_UP_POS_INDEX;			// 0x00000010
const U32 AGENT_CONTROL_UP_NEG              = 0x1 << CONTROL_UP_NEG_INDEX;			// 0x00000020
const U32 AGENT_CONTROL_PITCH_POS           = 0x1 << CONTROL_PITCH_POS_INDEX;		// 0x00000040
const U32 AGENT_CONTROL_PITCH_NEG           = 0x1 << CONTROL_PITCH_NEG_INDEX;		// 0x00000080
const U32 AGENT_CONTROL_YAW_POS             = 0x1 << CONTROL_YAW_POS_INDEX;			// 0x00000100
const U32 AGENT_CONTROL_YAW_NEG             = 0x1 << CONTROL_YAW_NEG_INDEX;			// 0x00000200
const U32 AGENT_CONTROL_FAST_AT             = 0x1 << CONTROL_FAST_AT_INDEX;			// 0x00000400
const U32 AGENT_CONTROL_FAST_LEFT           = 0x1 << CONTROL_FAST_LEFT_INDEX;		// 0x00000800
const U32 AGENT_CONTROL_FAST_UP             = 0x1 << CONTROL_FAST_UP_INDEX;			// 0x00001000
const U32 AGENT_CONTROL_FLY					= 0x1 << CONTROL_FLY_INDEX;				// 0x00002000
const U32 AGENT_CONTROL_STOP				= 0x1 << CONTROL_STOP_INDEX;			// 0x00004000
const U32 AGENT_CONTROL_FINISH_ANIM			= 0x1 << CONTROL_FINISH_ANIM_INDEX;		// 0x00008000
const U32 AGENT_CONTROL_STAND_UP			= 0x1 << CONTROL_STAND_UP_INDEX;		// 0x00010000
const U32 AGENT_CONTROL_SIT_ON_GROUND		= 0x1 << CONTROL_SIT_ON_GROUND_INDEX;	// 0x00020000
const U32 AGENT_CONTROL_MOUSELOOK			= 0x1 << CONTROL_MOUSELOOK_INDEX;		// 0x00040000
const U32 AGENT_CONTROL_NUDGE_AT_POS        = 0x1 << CONTROL_NUDGE_AT_POS_INDEX;	// 0x00080000
const U32 AGENT_CONTROL_NUDGE_AT_NEG        = 0x1 << CONTROL_NUDGE_AT_NEG_INDEX;	// 0x00100000
const U32 AGENT_CONTROL_NUDGE_LEFT_POS      = 0x1 << CONTROL_NUDGE_LEFT_POS_INDEX;	// 0x00200000
const U32 AGENT_CONTROL_NUDGE_LEFT_NEG      = 0x1 << CONTROL_NUDGE_LEFT_NEG_INDEX;	// 0x00400000
const U32 AGENT_CONTROL_NUDGE_UP_POS        = 0x1 << CONTROL_NUDGE_UP_POS_INDEX;	// 0x00800000
const U32 AGENT_CONTROL_NUDGE_UP_NEG        = 0x1 << CONTROL_NUDGE_UP_NEG_INDEX;	// 0x01000000
const U32 AGENT_CONTROL_TURN_LEFT	        = 0x1 << CONTROL_TURN_LEFT_INDEX;		// 0x02000000
const U32 AGENT_CONTROL_TURN_RIGHT	        = 0x1 << CONTROL_TURN_RIGHT_INDEX;		// 0x04000000
const U32 AGENT_CONTROL_AWAY				= 0x1 << CONTROL_AWAY_INDEX;			// 0x08000000
const U32 AGENT_CONTROL_LBUTTON_DOWN		= 0x1 << CONTROL_LBUTTON_DOWN_INDEX;	// 0x10000000
const U32 AGENT_CONTROL_LBUTTON_UP			= 0x1 << CONTROL_LBUTTON_UP_INDEX;		// 0x20000000
const U32 AGENT_CONTROL_ML_LBUTTON_DOWN		= 0x1 << CONTROL_ML_LBUTTON_DOWN_INDEX;	// 0x40000000
const U32 AGENT_CONTROL_ML_LBUTTON_UP		= ((U32)0x1) << CONTROL_ML_LBUTTON_UP_INDEX;	// 0x80000000
const U32 AGENT_CONTROL_AT 		= AGENT_CONTROL_AT_POS 
								  | AGENT_CONTROL_AT_NEG 
								  | AGENT_CONTROL_NUDGE_AT_POS 
								  | AGENT_CONTROL_NUDGE_AT_NEG;
const U32 AGENT_CONTROL_LEFT 	= AGENT_CONTROL_LEFT_POS 
								  | AGENT_CONTROL_LEFT_NEG 
								  | AGENT_CONTROL_NUDGE_LEFT_POS 
								  | AGENT_CONTROL_NUDGE_LEFT_NEG;
const U32 AGENT_CONTROL_UP 		= AGENT_CONTROL_UP_POS 
								  | AGENT_CONTROL_UP_NEG 
								  | AGENT_CONTROL_NUDGE_UP_POS 
								  | AGENT_CONTROL_NUDGE_UP_NEG;
const U32 AGENT_CONTROL_HORIZONTAL = AGENT_CONTROL_AT 
									 | AGENT_CONTROL_LEFT;
const U32 AGENT_CONTROL_NOT_USED_BY_LSL = AGENT_CONTROL_FLY 
										  | AGENT_CONTROL_STOP 
										  | AGENT_CONTROL_FINISH_ANIM 
										  | AGENT_CONTROL_STAND_UP 
										  | AGENT_CONTROL_SIT_ON_GROUND 
										  | AGENT_CONTROL_MOUSELOOK 
										  | AGENT_CONTROL_AWAY;
const U32 AGENT_CONTROL_MOVEMENT = AGENT_CONTROL_AT 
								   | AGENT_CONTROL_LEFT 
								   | AGENT_CONTROL_UP;
const U32 AGENT_CONTROL_ROTATION = AGENT_CONTROL_PITCH_POS 
								   | AGENT_CONTROL_PITCH_NEG 
								   | AGENT_CONTROL_YAW_POS 
								   | AGENT_CONTROL_YAW_NEG;
const U32 AGENT_CONTROL_NUDGE = AGENT_CONTROL_NUDGE_AT_POS
								| AGENT_CONTROL_NUDGE_AT_NEG
								| AGENT_CONTROL_NUDGE_LEFT_POS
								| AGENT_CONTROL_NUDGE_LEFT_NEG;
// move these up so that we can hide them in "State" for object updates 
// (for now)
const U32 AGENT_ATTACH_OFFSET				= 4;
const U32 AGENT_ATTACH_MASK					= 0xf << AGENT_ATTACH_OFFSET;
const U32 AGENT_ATTACH_CLEAR				= 0x00;
// RN: this method swaps the upper and lower nibbles to maintain backward 
// compatibility with old objects that only used the upper nibble
#define ATTACHMENT_ID_FROM_STATE(state) ((S32)((((U8)state & AGENT_ATTACH_MASK) >> 4) | (((U8)state & ~AGENT_ATTACH_MASK) << 4)))
// test state for use in testing grabbing the camera
const U32 AGENT_CAMERA_OBJECT				= 0x1 << 3;
const F32 MAX_ATTACHMENT_DIST = 3.5f; // meters?
#endif

						