datapack: Tabs->spaces, consistency, nuke IsPackReadable
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Valentin Grünbacher
parent
828d9971a4
commit
950f3f97c1
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@ -8,131 +8,145 @@
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// https://alliedmods.net/amxmodx-license
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#if defined _datapack_included
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#endinput
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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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* DataPacks are a way to store and move around various types of data in AMX Mod X Scripting.
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* Since some things are not possible in AMX Mod X, such as a function consuming a String,
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* DataPacks help us get these Strings and other items where they need to go.
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* Datapack tag declaration
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*
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* @note Datapacks provide a way to store and move around arbitrary amounts (and
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* types) of data in AMX Mox X. Data is packed into a single cell value -
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* the DataPack handle. This handle can be passed around more easily, can
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* be returned by functions and can simulate advanced concepts like string
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* consummation.
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* @note Plugins are responsible for freeing all datapack handles they acquire.
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* Failing to free handles will result in the plugin and AMXX leaking
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* memory.
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*/
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enum DataPack
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{
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Invalid_DataPack = 0
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Invalid_DataPack = 0
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};
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/**
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* Creates a new data pack.
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* Creates a new datapack.
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*
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* @return A Handle to the data pack.
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* @return New datapack handle, which must be freed via DestroyDataPack().
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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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* Packs a cell value into a datapack.
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*
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* @param pack Datapack handle
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* @param cell Cell value to 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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* @noreturn
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* @error Invalid handle.
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* @error If an invalid handle is provided, an error will be thrown.
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*/
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native WritePackCell(DataPack:pack, any:cell);
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/**
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* Packs a float into a data pack.
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* Packs a float value into a datapack.
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*
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* @param pack Datapack handle
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* @param val Float value to 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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* @noreturn
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* @error Invalid handle.
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* @error If an invalid handle is provided, an error will be thrown.
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*/
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native WritePackFloat(DataPack:pack, Float:val);
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/**
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* Packs a string into a data pack.
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* Packs a string into a datapack.
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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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* @return Length of copied string.
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* @error Invalid handle.
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* @param pack Datapack handle
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* @param str String to pack
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*
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* @return Length of copied string
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* @error If an invalid handle is provided, an error will be thrown.
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*/
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native WritePackString(DataPack:pack, const str[]);
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/**
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* Reads a cell from a data pack.
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* Reads a cell from a Datapack.
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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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* @param pack Datapack handle
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*
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* @return Cell value
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* @error If an invalid handle is provided, or not enough data is left
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* in the datapack, an error will be thrown.
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*/
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native any:ReadPackCell(DataPack:pack);
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/**
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* Reads a float from a data pack.
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* Reads a float from a datapack.
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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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* @param pack Datapack handle
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*
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* @return Float value
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* @error If an invalid handle is provided, or not enough data is left
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* in the datapack, an error will be thrown.
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*/
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native Float:ReadPackFloat(DataPack:pack);
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native Float:ReadPackFloat(datapack:pack);
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/**
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* Reads a string from a data pack.
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* Reads a string from a Datapack.
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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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* @return Length of output string.
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* @error Invalid handle, or bounds error.
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* @param pack Datapack handle
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* @param buffer Buffer to copy string to
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* @param maxlen Maximum size of buffer
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*
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* @return Number of cells written to buffer
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* @error If an invalid handle is provided, or not enough data is left
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* in the datapack, an error will be thrown.
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*/
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native ReadPackString(DataPack:pack, buffer[], maxlen);
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/**
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* Resets the position in a data pack.
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* Resets the datapack read/write position to the start.
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*
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* @param pack Datapack handle
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* @param clear If true, clears the contained data
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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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* @noreturn
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* @error Invalid handle.
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* @error If an invalid handle is provided, an error will be thrown.
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*/
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native ResetPack(DataPack:pack, bool:clear=false);
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native ResetPack(DataPack: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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* Returns the datapack read/write position.
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*
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* @param pack Handle to the data pack.
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* @return Numerical position in the data pack.
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* @error Invalid handle.
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* @param pack Datapack handle
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*
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* @return Position in the datapack
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* @error If an invalid handle is provided, an error will be thrown.
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*/
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native GetPackPosition(DataPack:pack);
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/**
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* Sets the read/write position in a data pack.
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* Sets the datapack read/write position.
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*
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* @note This should only ever be used with (known to be valid) positions
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* returned by GetPackPosition(). It is not possible for plugins to safely
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* compute datapack positions.
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*
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* @param pack Datapack handle
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* @param position New position to set
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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.
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* @noreturn
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* @error Invalid handle, or position is beyond the pack bounds.
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* @error If an invalid handle is provided, or the new position is
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* out of datapack bounds, an error will be thrown.
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*/
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native SetPackPosition(DataPack:pack, 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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* Destroys the datapack and frees its memory.
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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(DataPack:pack, bytes);
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/**
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* Disposes of a data pack.
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* @param pack Datapack handle
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*
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* @param pack Handle to the data pack.
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* @return True if disposed, false otherwise.
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* @return True if disposed, false otherwise
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*/
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native DestroyDataPack(&DataPack:pack);
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