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Refactoring part 2 [W.I.P]
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Yehonal
@@ -1,195 +0,0 @@
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/*
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* Copyright (C)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "MoveSplineFlag.h"
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#include <math.h>
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#include <string>
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namespace Movement
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{
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double gravity = 19.29110527038574;
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UInt32Counter splineIdGen;
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/// Velocity bounds that makes fall speed limited
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float terminalVelocity = 60.148003f;
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float terminalSafefallVelocity = 7.0f;
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const float terminal_length = float(terminalVelocity * terminalVelocity) / (2.0f * gravity);
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const float terminal_safeFall_length = (terminalSafefallVelocity * terminalSafefallVelocity) / (2.0f * gravity);
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const float terminal_fallTime = float(terminalVelocity / gravity); // the time that needed to reach terminalVelocity
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const float terminal_safeFall_fallTime = float(terminalSafefallVelocity / gravity); // the time that needed to reach terminalVelocity with safefall
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float computeFallTime(float path_length, bool isSafeFall)
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{
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if (path_length < 0.0f)
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return 0.0f;
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float time;
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if (isSafeFall)
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{
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if (path_length >= terminal_safeFall_length)
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time = (path_length - terminal_safeFall_length) / terminalSafefallVelocity + terminal_safeFall_fallTime;
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else
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time = sqrtf(2.0f * path_length / gravity);
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}
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else
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{
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if (path_length >= terminal_length)
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time = (path_length - terminal_length) / terminalVelocity + terminal_fallTime;
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else
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time = sqrtf(2.0f * path_length / gravity);
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}
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return time;
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}
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float computeFallElevation(float t_passed, bool isSafeFall, float start_velocity /*= 0.0f*/)
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{
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float termVel;
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float result;
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if (isSafeFall)
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termVel = terminalSafefallVelocity;
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else
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termVel = terminalVelocity;
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if (start_velocity > termVel)
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start_velocity = termVel;
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float terminal_time = (isSafeFall ? terminal_safeFall_fallTime : terminal_fallTime) - start_velocity / gravity; // the time that needed to reach terminalVelocity
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if (t_passed > terminal_time)
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{
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result = termVel * (t_passed - terminal_time) +
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start_velocity * terminal_time +
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gravity * terminal_time * terminal_time*0.5f;
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}
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else
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result = t_passed * (start_velocity + t_passed * gravity * 0.5f);
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return result;
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}
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#define STR(x) #x
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char const* g_MovementFlag_names[] =
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{
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STR(Forward ), // 0x00000001,
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STR(Backward ), // 0x00000002,
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STR(Strafe_Left ), // 0x00000004,
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STR(Strafe_Right ), // 0x00000008,
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STR(Turn_Left ), // 0x00000010,
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STR(Turn_Right ), // 0x00000020,
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STR(Pitch_Up ), // 0x00000040,
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STR(Pitch_Down ), // 0x00000080,
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STR(Walk ), // 0x00000100, // Walking
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STR(Ontransport ), // 0x00000200,
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STR(Levitation ), // 0x00000400,
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STR(Root ), // 0x00000800,
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STR(Falling ), // 0x00001000,
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STR(Fallingfar ), // 0x00002000,
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STR(Pendingstop ), // 0x00004000,
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STR(PendingSTRafestop ), // 0x00008000,
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STR(Pendingforward ), // 0x00010000,
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STR(Pendingbackward ), // 0x00020000,
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STR(PendingSTRafeleft ), // 0x00040000,
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STR(PendingSTRaferight ), // 0x00080000,
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STR(Pendingroot ), // 0x00100000,
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STR(Swimming ), // 0x00200000, // Appears With Fly Flag Also
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STR(Ascending ), // 0x00400000, // Swim Up Also
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STR(Descending ), // 0x00800000, // Swim Down Also
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STR(Can_Fly ), // 0x01000000, // Can Fly In 3.3?
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STR(Flying ), // 0x02000000, // Actual Flying Mode
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STR(Spline_Elevation ), // 0x04000000, // Used For Flight Paths
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STR(Spline_Enabled ), // 0x08000000, // Used For Flight Paths
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STR(Waterwalking ), // 0x10000000, // Prevent Unit From Falling Through Water
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STR(Safe_Fall ), // 0x20000000, // Active Rogue Safe Fall Spell (Passive)
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STR(Hover ), // 0x40000000
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STR(Unknown13 ), // 0x80000000
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STR(Unk1 ),
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STR(Unk2 ),
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STR(Unk3 ),
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STR(Fullspeedturning ),
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STR(Fullspeedpitching ),
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STR(Allow_Pitching ),
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STR(Unk4 ),
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STR(Unk5 ),
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STR(Unk6 ),
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STR(Unk7 ),
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STR(Interp_Move ),
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STR(Interp_Turning ),
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STR(Interp_Pitching ),
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STR(Unk8 ),
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STR(Unk9 ),
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STR(Unk10 ),
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};
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char const* g_SplineFlag_names[32] =
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{
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STR(AnimBit1 ), // 0x00000001,
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STR(AnimBit2 ), // 0x00000002,
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STR(AnimBit3 ), // 0x00000004,
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STR(AnimBit4 ), // 0x00000008,
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STR(AnimBit5 ), // 0x00000010,
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STR(AnimBit6 ), // 0x00000020,
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STR(AnimBit7 ), // 0x00000040,
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STR(AnimBit8 ), // 0x00000080,
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STR(Done ), // 0x00000100,
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STR(Falling ), // 0x00000200, // Not Compartible With Trajectory Movement
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STR(No_Spline ), // 0x00000400,
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STR(Trajectory ), // 0x00000800, // Not Compartible With Fall Movement
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STR(Walkmode ), // 0x00001000,
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STR(Flying ), // 0x00002000, // Smooth Movement(Catmullrom Interpolation Mode), Flying Animation
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STR(Knockback ), // 0x00004000, // Model Orientation Fixed
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STR(Final_Point ), // 0x00008000,
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STR(Final_Target ), // 0x00010000,
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STR(Final_Angle ), // 0x00020000,
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STR(Catmullrom ), // 0x00040000, // Used Catmullrom Interpolation Mode
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STR(Cyclic ), // 0x00080000, // Movement By Cycled Spline
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STR(Enter_Cycle ), // 0x00100000, // Everytime Appears With Cyclic Flag In Monster Move Packet
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STR(Animation ), // 0x00200000, // Animationid (0...3), Uint32 Time, Not Compartible With Trajectory And Fall Movement
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STR(Unknown4 ), // 0x00400000, // Disables Movement By Path
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STR(Unknown5 ), // 0x00800000,
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STR(Unknown6 ), // 0x01000000,
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STR(Unknown7 ), // 0x02000000,
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STR(Unknown8 ), // 0x04000000,
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STR(OrientationInversed ), // 0x08000000, // Appears With Runmode Flag, Nodes ), // 1, Handles Orientation
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STR(Unknown10 ), // 0x10000000,
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STR(Unknown11 ), // 0x20000000,
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STR(Unknown12 ), // 0x40000000,
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STR(Unknown13 ), // 0x80000000,
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};
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template<class Flags, int N>
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void print_flags(Flags t, char const* (&names)[N], std::string& str)
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{
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for (int i = 0; i < N; ++i)
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{
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if ((t & Flags(1 << i)) && names[i] != NULL)
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str.append(" ").append(names[i]);
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}
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}
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std::string MoveSplineFlag::ToString() const
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{
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std::string str;
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print_flags(raw(), g_SplineFlag_names, str);
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return str;
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}
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}
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