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/**
* @file lldefs.h
* @brief Various generic constant definitions.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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_LLDEFS_H
#define LL_LLDEFS_H
#include "stdtypes.h"
// Often used array indices
const U32 VX = 0;
const U32 VY = 1;
const U32 VZ = 2;
const U32 VW = 3;
const U32 VS = 3;
const U32 VRED = 0;
const U32 VGREEN = 1;
const U32 VBLUE = 2;
const U32 VALPHA = 3;
const U32 INVALID_DIRECTION = 0xFFFFFFFF;
const U32 EAST = 0;
const U32 NORTH = 1;
const U32 WEST = 2;
const U32 SOUTH = 3;
const U32 NORTHEAST = 4;
const U32 NORTHWEST = 5;
const U32 SOUTHWEST = 6;
const U32 SOUTHEAST = 7;
const U32 MIDDLE = 8;
const U8 EAST_MASK = 0x1<<EAST;
const U8 NORTH_MASK = 0x1<<NORTH;
const U8 WEST_MASK = 0x1<<WEST;
const U8 SOUTH_MASK = 0x1<<SOUTH;
const U8 NORTHEAST_MASK = NORTH_MASK | EAST_MASK;
const U8 NORTHWEST_MASK = NORTH_MASK | WEST_MASK;
const U8 SOUTHWEST_MASK = SOUTH_MASK | WEST_MASK;
const U8 SOUTHEAST_MASK = SOUTH_MASK | EAST_MASK;
const U32 gDirOpposite[8] = {2, 3, 0, 1, 6, 7, 4, 5};
const U32 gDirAdjacent[8][2] = {
{4, 7},
{4, 5},
{5, 6},
{6, 7},
{0, 1},
{1, 2},
{2, 3},
{0, 3}
};
// Magnitude along the x and y axis
const S32 gDirAxes[8][2] = {
{ 1, 0}, // east
{ 0, 1}, // north
{-1, 0}, // west
{ 0,-1}, // south
{ 1, 1}, // ne
{-1, 1}, // nw
{-1,-1}, // sw
{ 1,-1}, // se
};
const S32 gDirMasks[8] = {
EAST_MASK,
NORTH_MASK,
WEST_MASK,
SOUTH_MASK,
NORTHEAST_MASK,
NORTHWEST_MASK,
SOUTHWEST_MASK,
SOUTHEAST_MASK
};
// Sides of a box...
// . Z __.Y
// /|\ /| 0 = NO_SIDE
// | / 1 = FRONT_SIDE = +x
// +------|-----------+ 2 = BACK_SIDE = -x
// /| |/ / /| 3 = LEFT_SIDE = +y
// / | -5- |/ / | 4 = RIGHT_SIDE = -y
// / | /| -3- / | 5 = TOP_SIDE = +z
// +------------------+ | 6 = BOTTOM_SIDE = -z
// | | | / | |
// | |/| | / | |/|
// | 2 | | *-------|-1--------> X
// |/| | -4- |/| |
// | +----|---------|---+
// | / / | /
// | / -6- | /
// |/ / |/
// +------------------+
const U32 NO_SIDE = 0;
const U32 FRONT_SIDE = 1;
const U32 BACK_SIDE = 2;
const U32 LEFT_SIDE = 3;
const U32 RIGHT_SIDE = 4;
const U32 TOP_SIDE = 5;
const U32 BOTTOM_SIDE = 6;
const U8 LL_SOUND_FLAG_NONE = 0x0;
const U8 LL_SOUND_FLAG_LOOP = 1<<0;
const U8 LL_SOUND_FLAG_SYNC_MASTER = 1<<1;
const U8 LL_SOUND_FLAG_SYNC_SLAVE = 1<<2;
const U8 LL_SOUND_FLAG_SYNC_PENDING = 1<<3;
const U8 LL_SOUND_FLAG_QUEUE = 1<<4;
const U8 LL_SOUND_FLAG_STOP = 1<<5;
const U8 LL_SOUND_FLAG_SYNC_MASK = LL_SOUND_FLAG_SYNC_MASTER | LL_SOUND_FLAG_SYNC_SLAVE | LL_SOUND_FLAG_SYNC_PENDING;
//
// *NOTE: These values may be used as hard-coded numbers in scanf() variants.
//
// --------------
// DO NOT CHANGE.
// --------------
//
const U32 LL_MAX_PATH = 1024; // buffer size of maximum path + filename string length
// For strings we send in messages
const U32 STD_STRING_BUF_SIZE = 255; // Buffer size
const U32 STD_STRING_STR_LEN = 254; // Length of the string (not including \0)
// *NOTE: This value is used as hard-coded numbers in scanf() variants.
// DO NOT CHANGE.
const U32 MAX_STRING = STD_STRING_BUF_SIZE; // Buffer size
const U32 MAXADDRSTR = 17; // 123.567.901.345 = 15 chars + \0 + 1 for good luck
// C++ is our friend. . . use template functions to make life easier!
// specific inlines for basic types
//
// defined for all:
// llmin(a,b)
// llmax(a,b)
// llclamp(a,minimum,maximum)
//
// defined for F32, F64:
// llclampf(a) // clamps a to [0.0 .. 1.0]
//
// defined for U16, U32, U64, S16, S32, S64, :
// llclampb(a) // clamps a to [0 .. 255]
//
template <class LLDATATYPE>
inline LLDATATYPE llmax(const LLDATATYPE& d1, const LLDATATYPE& d2)
{
return (d1 > d2) ? d1 : d2;
}
template <class LLDATATYPE>
inline LLDATATYPE llmax(const LLDATATYPE& d1, const LLDATATYPE& d2, const LLDATATYPE& d3)
{
LLDATATYPE r = llmax(d1,d2);
return (r > d3 ? r : d3);
}
template <class LLDATATYPE>
inline LLDATATYPE llmin(const LLDATATYPE& d1, const LLDATATYPE& d2)
{
return (d1 < d2) ? d1 : d2;
}
template <class LLDATATYPE>
inline LLDATATYPE llmin(const LLDATATYPE& d1, const LLDATATYPE& d2, const LLDATATYPE& d3)
{
LLDATATYPE r = llmin(d1,d2);
return (r < d3 ? r : d3);
}
template <class LLDATATYPE>
inline LLDATATYPE llclamp(const LLDATATYPE& a, const LLDATATYPE& minval, const LLDATATYPE& maxval)
{
return llmin(llmax(a, minval), maxval);
}
template <class LLDATATYPE>
inline LLDATATYPE llclampf(const LLDATATYPE& a)
{
return llmin(llmax(a, (LLDATATYPE)0), (LLDATATYPE)1);
}
template <class LLDATATYPE>
inline LLDATATYPE llclampb(const LLDATATYPE& a)
{
return llmin(llmax(a, (LLDATATYPE)0), (LLDATATYPE)255);
}
#endif // LL_LLDEFS_H
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