230 lines
7.3 KiB
SourcePawn
230 lines
7.3 KiB
SourcePawn
/**
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* vim: set ts=4 sw=4 tw=99 noet :
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* =============================================================================
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* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This file is part of the SourceMod/SourcePawn SDK.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#if defined _datapack_included
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#endinput
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#endif
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#define _datapack_included
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/**
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* Opaque handle to a datapack position.
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*/
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enum DataPackPos: {};
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// A DataPack allows serializing multiple variables into a single stream.
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methodmap DataPack < Handle
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{
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// Creates a new data pack.
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public native DataPack();
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// Packs a normal cell into a data pack.
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//
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// @param cell Cell to add.
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// @param insert Determines whether mid-pack writes will insert instead of overwrite.
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public native void WriteCell(any cell, bool insert = false);
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// Packs a float into a data pack.
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//
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// @param val Float to add.
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// @param insert Determines whether mid-pack writes will insert instead of overwrite.
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public native void WriteFloat(float val, bool insert = false);
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// Packs a string into a data pack.
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//
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// @param str String to add.
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// @param insert Determines whether mid-pack writes will insert instead of overwrite.
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public native void WriteString(const char[] str, bool insert = false);
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// Packs a function pointer into a data pack.
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//
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// @param fktptr Function pointer to add.
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// @param insert Determines whether mid-pack writes will insert instead of overwrite.
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public native void WriteFunction(Function fktptr, bool insert = false);
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// Reads a cell from a data pack.
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//
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// @param pack Handle to the data pack.
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public native any ReadCell();
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// Reads a float from a data pack.
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//
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// @param pack Handle to the data pack.
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public native float ReadFloat();
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// Reads a string from a data pack.
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//
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// @param buffer Destination string buffer.
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// @param maxlen Maximum length of output string buffer.
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public native void ReadString(char[] buffer, int maxlen);
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// Reads a function pointer from a data pack.
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//
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// @return Function pointer.
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public native Function ReadFunction();
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// Resets the position in a data pack.
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//
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// @param clear If true, clears the contained data.
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public native void Reset(bool clear=false);
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// Returns whether or not a specified number of bytes from the data pack
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// position to the end can be read.
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//
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// @param unused Unused variable. Exists for backwards compatability.
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public native bool IsReadable(int unused = 0);
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// The read or write position in a data pack.
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property DataPackPos Position {
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public native get();
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public native set(DataPackPos pos);
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}
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};
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/**
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* Creates a new data pack.
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*
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* @return A Handle to the data pack. Must be closed with CloseHandle().
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*/
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native DataPack CreateDataPack();
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/**
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* Packs a normal cell into a data pack.
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*
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* @param pack Handle to the data pack.
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* @param cell Cell to add.
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* @error Invalid handle.
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*/
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native void WritePackCell(Handle pack, any cell);
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/**
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* Packs a float into a data pack.
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*
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* @param pack Handle to the data pack.
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* @param val Float to add.
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* @error Invalid handle.
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*/
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native void WritePackFloat(Handle pack, float val);
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/**
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* Packs a string into a data pack.
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*
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* @param pack Handle to the data pack.
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* @param str String to add.
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* @error Invalid handle.
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*/
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native void WritePackString(Handle pack, const char[] str);
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/**
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* Packs a function pointer into a data pack.
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*
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* @param pack Handle to the data pack.
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* @param fktptr Function pointer to add.
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* @error Invalid handle.
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*/
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native void WritePackFunction(Handle pack, Function fktptr);
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/**
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* Reads a cell from a data pack.
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*
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* @param pack Handle to the data pack.
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* @return Cell value.
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* @error Invalid handle, or bounds error.
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*/
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native any ReadPackCell(Handle pack);
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/**
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* Reads a float from a data pack.
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*
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* @param pack Handle to the data pack.
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* @return Float value.
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* @error Invalid handle, or bounds error.
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*/
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native float ReadPackFloat(Handle pack);
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/**
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* Reads a string from a data pack.
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*
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* @param pack Handle to the data pack.
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* @param buffer Destination string buffer.
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* @param maxlen Maximum length of output string buffer.
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* @error Invalid handle, or bounds error.
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*/
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native void ReadPackString(Handle pack, char[] buffer, int maxlen);
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/**
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* Reads a function pointer from a data pack.
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*
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* @param pack Handle to the data pack.
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* @return Function pointer.
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* @error Invalid handle, or bounds error.
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*/
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native Function ReadPackFunction(Handle pack);
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/**
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* Resets the position in a data pack.
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*
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* @param pack Handle to the data pack.
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* @param clear If true, clears the contained data.
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* @error Invalid handle.
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*/
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native void ResetPack(Handle pack, bool clear=false);
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/**
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* Returns the read or write position in a data pack.
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*
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* @param pack Handle to the data pack.
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* @return Position in the data pack, only usable with calls to SetPackPosition.
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* @error Invalid handle.
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*/
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native DataPackPos GetPackPosition(Handle pack);
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/**
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* Sets the read/write position in a data pack.
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*
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* @param pack Handle to the data pack.
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* @param position New position to set. Must have been previously retrieved from a call to GetPackPosition.
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* @error Invalid handle, or position is beyond the pack bounds.
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*/
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native void SetPackPosition(Handle pack, DataPackPos position);
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/**
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* Returns whether or not a specified number of bytes from the data pack
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* position to the end can be read.
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*
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* @param pack Handle to the data pack.
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* @param bytes Number of bytes to simulate reading.
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* @return True if can be read, false otherwise.
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* @error Invalid handle.
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*/
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native bool IsPackReadable(Handle pack, int bytes);
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