amxmodx/plugins/include/sorting.inc
Vincent Herbet 5a6d3fde61 Add ArraySortEx/SortADTArray natives and new sort method Sort_Random (bug 5494, r=Nextra)
Former-commit-id: 1ff337d9801e2fbd9ad210bc1285d31679b3029e
2013-08-05 16:56:59 +02:00

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/* Sorting functions.
*
* by the AMX Mod X Development Team
*
* This file is provided as is (no warranties).
*
* All sort functions are based off the qsort() function from the
* C standard library, which uses the Quick Sort algorithm.
* For more info, see: http://linux.wku.edu/~lamonml/algor/sort/sort.html
*/
#if defined _sorting_included
#endinput
#endif
#define _sorting_included
/**
* Contains sorting orders.
*/
enum SortMethod
{
Sort_Ascending = 0,
Sort_Descending,
Sort_Random,
};
/**
* Data types for ADT Array Sorts
*/
enum SortType
{
Sort_Integer = 0,
Sort_Float,
Sort_String,
};
/**
* Basic sorting functions below.
*/
native SortIntegers(array[], array_size, SortMethod:order = Sort_Ascending);
native SortFloats(Float:array[], array_size, SortMethod:order = Sort_Ascending);
native SortStrings(array[][], num_strings, SortMethod:order = Sort_Ascending);
/**
* Custom sorting functions below.
*/
/**
* Sorts a custom 1D array. You must pass in a comparison function.
* The sorting algorithm then uses your comparison function to sort the data.
* The function is called in the following manner:
*
* public MySortFunc(elem1, elem2, const array[], const data[], data_size)
*
* elem1, elem2 - Current element pair being compared
* array[] - Array in its current mid-sorted state.
* data[] - Extra data array you passed to the sort func.
* data_size - Size of extra data you passed to the sort func.
*
* Your function should return:
* -1 if elem1 should go before elem2
* 0 if elem1 and elem2 are equal
* 1 if elem1 should go after elem2
* Note that the parameters after elem2 are all optional and you do not need to specify them.
*/
native SortCustom1D(array[], array_size, const comparefunc[], data[]="", data_size=0);
/**
* Sorts a custom 2D array.
* The sorting algorithm then uses your comparison function to sort the data.
* The function is called in the following manner:
*
* public MySortFunc(const elem1[], const elem2[], const array[], data[], data_size)
*
* elem1[], elem2[] - Current element array pairs being compared
* array[][] - Array in its currently being sorted state.
* data[] - Extra data array you passed to the sort func.
* data_size - Size of extra data you passed to the sort func.
*
* Your function should return:
* -1 if elem1[] should go before elem2[]
* 0 if elem1[] and elem2 are equal[]
* 1 if elem1[] should go after elem2[]
* Note that the parameters after elem2[] are all optional and you do not need to specify them.
*/
native SortCustom2D(array[][], array_size, const comparefunc[], data[]="", data_size=0);
/**
* Sort an ADT Array. Specify the type as Integer, Float, or String.
*
* @param array Array Handle to sort
* @param order Sort order to use, same as other sorts.
* @param type Data type stored in the ADT Array
* @noreturn
*/
native SortADTArray(Array:array, SortMethod:order, SortType:type);