summaryrefslogtreecommitdiff
path: root/sourcemod/scripting/include/functions.inc
diff options
context:
space:
mode:
authornavewindre <nw@moneybot.cc>2023-11-13 14:28:08 +0100
committernavewindre <nw@moneybot.cc>2023-11-13 14:28:08 +0100
commitda518fdc0f32839730ccdee8098b59c6f842d93f (patch)
treed6f856a6148c0b4d5819f88f068b7287b8044513 /sourcemod/scripting/include/functions.inc
parentbc678b10830cdaef64bcc592ca2524ebe0fcdc45 (diff)
ya
Diffstat (limited to 'sourcemod/scripting/include/functions.inc')
-rw-r--r--sourcemod/scripting/include/functions.inc631
1 files changed, 631 insertions, 0 deletions
diff --git a/sourcemod/scripting/include/functions.inc b/sourcemod/scripting/include/functions.inc
new file mode 100644
index 0000000..402ed8c
--- /dev/null
+++ b/sourcemod/scripting/include/functions.inc
@@ -0,0 +1,631 @@
+/**
+ * vim: set ts=4 :
+ * =============================================================================
+ * SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
+ * =============================================================================
+ *
+ * This file is part of the SourceMod/SourcePawn SDK.
+ *
+ * This program is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, version 3.0, as published by the
+ * Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * As a special exception, AlliedModders LLC gives you permission to link the
+ * code of this program (as well as its derivative works) to "Half-Life 2," the
+ * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
+ * by the Valve Corporation. You must obey the GNU General Public License in
+ * all respects for all other code used. Additionally, AlliedModders LLC grants
+ * this exception to all derivative works. AlliedModders LLC defines further
+ * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
+ * or <http://www.sourcemod.net/license.php>.
+ *
+ * Version: $Id$
+ */
+
+#if defined _functions_included
+ #endinput
+#endif
+#define _functions_included
+
+#define SP_PARAMFLAG_BYREF (1<<0) /**< Internal use only. */
+
+/**
+ * Describes the various ways to pass parameters to functions or forwards.
+ */
+enum ParamType
+{
+ Param_Any = 0, /**< Any data type can be pushed */
+ Param_Cell = (1<<1), /**< Only basic cells can be pushed */
+ Param_Float = (2<<1), /**< Only floats can be pushed */
+ Param_String = (3<<1)|SP_PARAMFLAG_BYREF, /**< Only strings can be pushed */
+ Param_Array = (4<<1)|SP_PARAMFLAG_BYREF, /**< Only arrays can be pushed */
+ Param_VarArgs = (5<<1), /**< Same as "..." in plugins, anything can be pushed, but it will always be byref */
+ Param_CellByRef = (1<<1)|SP_PARAMFLAG_BYREF, /**< Only a cell by reference can be pushed */
+ Param_FloatByRef = (2<<1)|SP_PARAMFLAG_BYREF /**< Only a float by reference can be pushed */
+};
+
+/**
+ * Defines how a forward iterates through plugin functions.
+ */
+enum ExecType
+{
+ ET_Ignore = 0, /**< Ignore all return values, return 0 */
+ ET_Single = 1, /**< Only return the last exec, ignore all others */
+ ET_Event = 2, /**< Acts as an event with the Actions defined in core.inc, no mid-Stops allowed, returns highest */
+ ET_Hook = 3 /**< Acts as a hook with the Actions defined in core.inc, mid-Stops allowed, returns highest */
+};
+
+/**
+ * @section Flags that are used with Call_PushArrayEx() and Call_PushStringEx()
+ */
+
+#define SM_PARAM_COPYBACK (1<<0) /**< Copy an array/reference back after call */
+
+#define SM_PARAM_STRING_UTF8 (1<<0) /**< String should be UTF-8 handled */
+#define SM_PARAM_STRING_COPY (1<<1) /**< String should be copied into the plugin */
+#define SM_PARAM_STRING_BINARY (1<<2) /**< Treat the string as a binary string */
+
+/**
+ * @endsection
+ */
+
+/**
+ * @section Error codes
+ */
+#define SP_ERROR_NONE 0 /**< No error occurred */
+#define SP_ERROR_FILE_FORMAT 1 /**< File format unrecognized */
+#define SP_ERROR_DECOMPRESSOR 2 /**< A decompressor was not found */
+#define SP_ERROR_HEAPLOW 3 /**< Not enough space left on the heap */
+#define SP_ERROR_PARAM 4 /**< Invalid parameter or parameter type */
+#define SP_ERROR_INVALID_ADDRESS 5 /**< A memory address was not valid */
+#define SP_ERROR_NOT_FOUND 6 /**< The object in question was not found */
+#define SP_ERROR_INDEX 7 /**< Invalid index parameter */
+#define SP_ERROR_STACKLOW 8 /**< Not enough space left on the stack */
+#define SP_ERROR_NOTDEBUGGING 9 /**< Debug mode was not on or debug section not found */
+#define SP_ERROR_INVALID_INSTRUCTION 10 /**< Invalid instruction was encountered */
+#define SP_ERROR_MEMACCESS 11 /**< Invalid memory access */
+#define SP_ERROR_STACKMIN 12 /**< Stack went beyond its minimum value */
+#define SP_ERROR_HEAPMIN 13 /**< Heap went beyond its minimum value */
+#define SP_ERROR_DIVIDE_BY_ZERO 14 /**< Division by zero */
+#define SP_ERROR_ARRAY_BOUNDS 15 /**< Array index is out of bounds */
+#define SP_ERROR_INSTRUCTION_PARAM 16 /**< Instruction had an invalid parameter */
+#define SP_ERROR_STACKLEAK 17 /**< A native leaked an item on the stack */
+#define SP_ERROR_HEAPLEAK 18 /**< A native leaked an item on the heap */
+#define SP_ERROR_ARRAY_TOO_BIG 19 /**< A dynamic array is too big */
+#define SP_ERROR_TRACKER_BOUNDS 20 /**< Tracker stack is out of bounds */
+#define SP_ERROR_INVALID_NATIVE 21 /**< Native was pending or invalid */
+#define SP_ERROR_PARAMS_MAX 22 /**< Maximum number of parameters reached */
+#define SP_ERROR_NATIVE 23 /**< Error originates from a native */
+#define SP_ERROR_NOT_RUNNABLE 24 /**< Function or plugin is not runnable */
+#define SP_ERROR_ABORTED 25 /**< Function call was aborted */
+
+/**
+ * @endsection
+ */
+
+methodmap GlobalForward < Handle {
+ // Creates a global forward.
+ //
+ // @note The name used to create the forward is used as its public function in all target plugins.
+ // @note This is ideal for global, static forwards that are never changed.
+ // @note Global forwards cannot be cloned.
+ // @note Use CloseHandle() to destroy these.
+ //
+ // @param name Name of public function to use in forward.
+ // @param type Execution type to be used.
+ // @param ... Variable number of parameter types (up to 32).
+ // @return Handle to new global forward.
+ // @error More than 32 parameter types passed.
+ public native GlobalForward(const char[] name, ExecType type, ParamType ...);
+
+ // Returns the number of functions in a global or private forward's call list.
+ property int FunctionCount {
+ public native get();
+ }
+};
+
+methodmap PrivateForward < GlobalForward {
+ // Creates a private forward.
+ //
+ // @note No functions are automatically added. Use AddToForward() to do this.
+ // @note Private forwards can be cloned.
+ // @note Use CloseHandle() to destroy these.
+ //
+ // @param type Execution type to be used.
+ // @param ... Variable number of parameter types (up to 32).
+ // @return Handle to new private forward.
+ // @error More than 32 parameter types passed.
+ public native PrivateForward(ExecType type, ParamType ...);
+
+ // Adds a function to a private forward's call list.
+ //
+ // @note Cannot be used during an incomplete call.
+ //
+ // @param plugin Handle of the plugin that contains the function.
+ // Pass INVALID_HANDLE to specify the calling plugin.
+ // @param func Function to add to forward.
+ // @return True on success, false otherwise.
+ // @error Invalid or corrupt private forward handle, invalid or corrupt plugin handle, or invalid function.
+ public native bool AddFunction(Handle plugin, Function func);
+
+ // Removes a function from a private forward's call list.
+ //
+ // @note Only removes one instance.
+ // @note Functions will be removed automatically if their parent plugin is unloaded.
+ //
+ // @param plugin Handle of the plugin that contains the function.
+ // Pass INVALID_HANDLE to specify the calling plugin.
+ // @param func Function to remove from forward.
+ // @return True on success, false otherwise.
+ // @error Invalid or corrupt private forward handle, invalid or corrupt plugin handle, or invalid function.
+ public native bool RemoveFunction(Handle plugin, Function func);
+
+ // Removes all instances of a plugin from a private forward's call list.
+ //
+ // @note Functions will be removed automatically if their parent plugin is unloaded.
+ //
+ // @param plugin Handle of the plugin to remove instances of.
+ // Pass INVALID_HANDLE to specify the calling plugin.
+ // @return Number of functions removed from forward.
+ // @error Invalid or corrupt private forward handle or invalid or corrupt plugin handle.
+ public native int RemoveAllFunctions(Handle plugin);
+};
+
+/**
+ * Gets a function id from a function name.
+ *
+ * @param plugin Handle of the plugin that contains the function.
+ * Pass INVALID_HANDLE to search in the calling plugin.
+ * @param name Name of the function.
+ * @return Function id or INVALID_FUNCTION if not found.
+ * @error Invalid or corrupt plugin handle.
+ */
+native Function GetFunctionByName(Handle plugin, const char[] name);
+
+/**
+ * Creates a global forward.
+ *
+ * @note The name used to create the forward is used as its public function in all target plugins.
+ * @note This is ideal for global, static forwards that are never changed.
+ * @note Global forwards cannot be cloned.
+ * @note Use CloseHandle() to destroy these.
+ *
+ * @param name Name of public function to use in forward.
+ * @param type Execution type to be used.
+ * @param ... Variable number of parameter types (up to 32).
+ * @return Handle to new global forward.
+ * @error More than 32 parameter types passed.
+ */
+native GlobalForward CreateGlobalForward(const char[] name, ExecType type, ParamType ...);
+
+/**
+ * Creates a private forward.
+ *
+ * @note No functions are automatically added. Use AddToForward() to do this.
+ * @note Private forwards can be cloned.
+ * @note Use CloseHandle() to destroy these.
+ *
+ * @param type Execution type to be used.
+ * @param ... Variable number of parameter types (up to 32).
+ * @return Handle to new private forward.
+ * @error More than 32 parameter types passed.
+ */
+native PrivateForward CreateForward(ExecType type, ParamType ...);
+
+/**
+ * Returns the number of functions in a global or private forward's call list.
+ *
+ * @param fwd Handle to global or private forward.
+ * @return Number of functions in forward.
+ * @error Invalid or corrupt forward handle.
+ */
+native int GetForwardFunctionCount(Handle fwd);
+
+/**
+ * Adds a function to a private forward's call list.
+ *
+ * @note Cannot be used during an incomplete call.
+ *
+ * @param fwd Handle to private forward.
+ * @param plugin Handle of the plugin that contains the function.
+ * Pass INVALID_HANDLE to specify the calling plugin.
+ * @param func Function to add to forward.
+ * @return True on success, false otherwise.
+ * @error Invalid or corrupt private forward handle, invalid or corrupt plugin handle, or invalid function.
+ */
+native bool AddToForward(Handle fwd, Handle plugin, Function func);
+
+/**
+ * Removes a function from a private forward's call list.
+ *
+ * @note Only removes one instance.
+ * @note Functions will be removed automatically if their parent plugin is unloaded.
+ *
+ * @param fwd Handle to private forward.
+ * @param plugin Handle of the plugin that contains the function.
+ * Pass INVALID_HANDLE to specify the calling plugin.
+ * @param func Function to remove from forward.
+ * @return True on success, false otherwise.
+ * @error Invalid or corrupt private forward handle, invalid or corrupt plugin handle, or invalid function.
+ */
+native bool RemoveFromForward(Handle fwd, Handle plugin, Function func);
+
+/**
+ * Removes all instances of a plugin from a private forward's call list.
+ *
+ * @note Functions will be removed automatically if their parent plugin is unloaded.
+ *
+ * @param fwd Handle to private forward.
+ * @param plugin Handle of the plugin to remove instances of.
+ * Pass INVALID_HANDLE to specify the calling plugin.
+ * @return Number of functions removed from forward.
+ * @error Invalid or corrupt private forward handle or invalid or corrupt plugin handle.
+ */
+native int RemoveAllFromForward(Handle fwd, Handle plugin);
+
+/**
+ * Starts a call to functions in a forward's call list.
+ *
+ * @note Cannot be used during an incomplete call.
+ *
+ * @param fwd Handle to global or private forward.
+ * @error Invalid or corrupt forward handle or called before another call has completed.
+ */
+native void Call_StartForward(Handle fwd);
+
+/**
+ * Starts a call to a function.
+ *
+ * @note Cannot be used during an incomplete call.
+ *
+ * @param plugin Handle of the plugin that contains the function.
+ * Pass INVALID_HANDLE to specify the calling plugin.
+ * @param func Function to call.
+ * @error Invalid or corrupt plugin handle, invalid function, or called before another call has completed.
+ */
+native void Call_StartFunction(Handle plugin, Function func);
+
+/**
+ * Pushes a cell onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Cell value to push.
+ * @error Called before a call has been started.
+ */
+native void Call_PushCell(any value);
+
+/**
+ * Pushes a cell by reference onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Cell reference to push.
+ * @error Called before a call has been started.
+ */
+native void Call_PushCellRef(any &value);
+
+/**
+ * Pushes a float onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Floating point value to push.
+ * @error Called before a call has been started.
+ */
+native void Call_PushFloat(float value);
+
+/**
+ * Pushes a float by reference onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Floating point reference to push.
+ * @error Called before a call has been started.
+ */
+native void Call_PushFloatRef(float &value);
+
+/**
+ * Pushes an array onto the current call.
+ *
+ * @note Changes to array are not copied back to caller. Use PushArrayEx() to do this.
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Array to push.
+ * @param size Size of array.
+ * @error Called before a call has been started.
+ */
+native void Call_PushArray(const any[] value, int size);
+
+/**
+ * Pushes an array onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value Array to push.
+ * @param size Size of array.
+ * @param cpflags Whether or not changes should be copied back to the input array.
+ * See SM_PARAM_* constants for details.
+ * @error Called before a call has been started.
+ */
+native void Call_PushArrayEx(any[] value, int size, int cpflags);
+
+/**
+ * Pushes the NULL_VECTOR onto the current call.
+ * @see IsNullVector
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @error Called before a call has been started.
+ */
+native void Call_PushNullVector();
+
+/**
+ * Pushes a string onto the current call.
+ *
+ * @note Changes to string are not copied back to caller. Use PushStringEx() to do this.
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value String to push.
+ * @error Called before a call has been started.
+ */
+native void Call_PushString(const char[] value);
+
+/**
+ * Pushes a string onto the current call.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param value String to push.
+ * @param length Length of string buffer.
+ * @param szflags Flags determining how string should be handled.
+ * See SM_PARAM_STRING_* constants for details.
+ * The default (0) is to push ASCII.
+ * @param cpflags Whether or not changes should be copied back to the input array.
+ * See SM_PARAM_* constants for details.
+ * @error Called before a call has been started.
+ */
+native void Call_PushStringEx(char[] value, int length, int szflags, int cpflags);
+
+/**
+ * Pushes the NULL_STRING onto the current call.
+ * @see IsNullString
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @error Called before a call has been started.
+ */
+native void Call_PushNullString();
+
+/**
+ * Completes a call to a function or forward's call list.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @param result Return value of function or forward's call list.
+ * @return SP_ERROR_NONE on success, any other integer on failure.
+ * @error Called before a call has been started.
+ */
+native int Call_Finish(any &result=0);
+
+/**
+ * Cancels a call to a function or forward's call list.
+ *
+ * @note Cannot be used before a call has been started.
+ *
+ * @error Called before a call has been started.
+ */
+native void Call_Cancel();
+
+typeset NativeCall
+{
+ /**
+ * Defines a native function.
+ *
+ * It is not necessary to validate the parameter count
+ *
+ * @param plugin Handle of the calling plugin.
+ * @param numParams Number of parameters passed to the native.
+ * @return Value for the native call to return.
+ */
+ function int (Handle plugin, int numParams);
+
+ /**
+ * Defines a native function.
+ *
+ * It is not necessary to validate the parameter count
+ *
+ * @param plugin Handle of the calling plugin.
+ * @param numParams Number of parameters passed to the native.
+ * @return Value for the native call to return.
+ */
+ function any (Handle plugin, int numParams);
+}
+
+/**
+ * Creates a dynamic native. This should only be called in AskPluginLoad(), or
+ * else you risk not having your native shared with other plugins.
+ *
+ * @param name Name of the dynamic native; must be unique among
+ * all other registered dynamic natives.
+ * @param func Function to use as the dynamic native.
+ */
+native void CreateNative(const char[] name, NativeCall func);
+
+/**
+ * Throws an error in the calling plugin of a native, instead of your own plugin.
+ *
+ * @param error Error code to use.
+ * @param fmt Error message format.
+ * @param ... Format arguments.
+ * @noreturn
+ * @error Always!
+ */
+native int ThrowNativeError(int error, const char[] fmt, any ...);
+
+/**
+ * Retrieves the string length from a native parameter string. This is useful for
+ * fetching the entire string using dynamic arrays.
+ *
+ * @note If this function succeeds, Get/SetNativeString will also succeed.
+ *
+ * @param param Parameter number, starting from 1.
+ * @param length Stores the length of the string.
+ * @return SP_ERROR_NONE on success, any other integer on failure.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native int GetNativeStringLength(int param, int &length);
+
+/**
+ * Retrieves a string from a native parameter.
+ *
+ * @note Output conditions are undefined on failure.
+ *
+ * @param param Parameter number, starting from 1.
+ * @param buffer Buffer to store the string in.
+ * @param maxlength Maximum length of the buffer.
+ * @param bytes Optionally store the number of bytes written.
+ * @return SP_ERROR_NONE on success, any other integer on failure.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native int GetNativeString(int param, char[] buffer, int maxlength, int &bytes=0);
+
+/**
+ * Sets a string in a native parameter.
+ *
+ * @note Output conditions are undefined on failure.
+ *
+ * @param param Parameter number, starting from 1.
+ * @param source Source string to use.
+ * @param maxlength Maximum number of bytes to write.
+ * @param utf8 If false, string will not be written
+ * with UTF8 safety.
+ * @param bytes Optionally store the number of bytes written.
+ * @return SP_ERROR_NONE on success, any other integer on failure.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native int SetNativeString(int param, const char[] source, int maxlength, bool utf8=true, int &bytes=0);
+
+/**
+ * Gets a cell from a native parameter.
+ *
+ * @param param Parameter number, starting from 1.
+ * @return Cell value at the parameter number.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native any GetNativeCell(int param);
+
+/**
+ * Gets a function pointer from a native parameter.
+ *
+ * @param param Parameter number, starting from 1.
+ * @return Function pointer at the given parameter number.
+ * @error Invalid parameter number, or calling from a non-native function.
+ */
+native Function GetNativeFunction(int param);
+
+/**
+ * Gets a cell from a native parameter, by reference.
+ *
+ * @param param Parameter number, starting from 1.
+ * @return Cell value at the parameter number.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native any GetNativeCellRef(int param);
+
+/**
+ * Sets a cell from a native parameter, by reference.
+ *
+ * @param param Parameter number, starting from 1.
+ * @param value Cell value at the parameter number to set by reference.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native void SetNativeCellRef(int param, any value);
+
+/**
+ * Gets an array from a native parameter (always by reference).
+ *
+ * @param param Parameter number, starting from 1.
+ * @param local Local array to copy into.
+ * @param size Maximum size of local array.
+ * @return SP_ERROR_NONE on success, anything else on failure.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native int GetNativeArray(int param, any[] local, int size);
+
+/**
+ * Copies a local array into a native parameter array (always by reference).
+ *
+ * @param param Parameter number, starting from 1.
+ * @param local Local array to copy from.
+ * @param size Size of the local array to copy.
+ * @return SP_ERROR_NONE on success, anything else on failure.
+ * @error Invalid parameter number or calling from a non-native function.
+ */
+native int SetNativeArray(int param, const any[] local, int size);
+
+/**
+ * Check if the native parameter is the NULL_VECTOR.
+ *
+ * @param param Parameter number, starting from 1.
+ * @return True if NULL_VECTOR, false otherwise.
+ */
+native bool IsNativeParamNullVector(int param);
+
+/**
+ * Check if the native parameter is the NULL_STRING.
+ *
+ * @param param Parameter number, starting from 1.
+ * @return True if NULL_STRING, false otherwise.
+ */
+native bool IsNativeParamNullString(int param);
+
+/**
+ * Formats a string using parameters from a native.
+ *
+ * @note All parameter indexes start at 1.
+ * @note If the input and output buffers overlap, the contents
+ * of the output buffer at the end is undefined.
+ *
+ * @param out_param Output parameter number to write to. If 0, out_string is used.
+ * @param fmt_param Format parameter number. If 0, fmt_string is used.
+ * @param vararg_param First variable parameter number.
+ * @param out_len Output string buffer maximum length (always required).
+ * @param written Optionally stores the number of bytes written.
+ * @param out_string Output string buffer to use if out_param is not used.
+ * @param fmt_string Format string to use if fmt_param is not used.
+ * @return SP_ERROR_NONE on success, anything else on failure.
+ */
+native int FormatNativeString(int out_param,
+ int fmt_param,
+ int vararg_param,
+ int out_len,
+ int &written=0,
+ char[] out_string="",
+ const char[] fmt_string="");
+
+/**
+ * Defines a RequestFrame Callback.
+ *
+ * @param data Data passed to the RequestFrame native.
+ */
+typeset RequestFrameCallback {
+ function void ();
+ function void (any data);
+}
+
+/**
+ * Creates a single use Next Frame hook.
+ *
+ * @param Function Function to call on the next frame.
+ * @param data Value to be passed on the invocation of the Function.
+ */
+native void RequestFrame(RequestFrameCallback Function, any data=0);