PKHeX/PKHeX.Core/PKM/Util/ItemConverter.cs
Kurt 95b4d0820d Minor reorganization
amount of pkm obj classes is pretty high, move the static utility
classes to another folder

breaks usage of pkm.ShowdownText; removes a dependency from PKM.
2018-05-18 19:33:11 -07:00

132 lines
6.3 KiB
C#

using System;
namespace PKHeX.Core
{
/// <summary>
/// Logic for converting Item IDs between the generation specific value sets.
/// </summary>
internal static class ItemConverter
{
/// <summary>Unused item ID, placeholder for item/sprite finding</summary>
private const ushort NaN = 128;
/// <summary>
/// Checks if the item can be kept during 3->4 conversion.
/// </summary>
/// <param name="item">Generation 3 Item ID.</param>
/// <returns>True if transferrable, False if not transferrable.</returns>
public static bool IsItemTransferrable34(ushort item) => item != NaN && item > 0;
/// <summary>
/// Converts a Generation 3 Item ID to Generation 4+ Item ID.
/// </summary>
/// <param name="g3val">Generation 3 Item ID.</param>
/// <returns>Generation 4+ Item ID.</returns>
public static ushort GetG4Item(ushort g3val) => g3val > arr3.Length ? NaN : arr3[g3val];
/// <summary>
/// Converts a Generation 2 Item ID to Generation 4+ Item ID.
/// </summary>
/// <param name="g2val">Generation 2 Item ID.</param>
/// <returns>Generation 4+ Item ID.</returns>
public static ushort GetG4Item(byte g2val) => g2val > arr2.Length ? NaN : arr2[g2val];
/// <summary>
/// Converts a Generation 4+ Item ID to Generation 3 Item ID.
/// </summary>
/// <param name="g4val">Generation 4+ Item ID.</param>
/// <returns>Generation 3 Item ID.</returns>
public static ushort GetG3Item(ushort g4val)
{
if (g4val == NaN)
return 0;
int index = Array.IndexOf(arr3, g4val);
return (ushort)Math.Max(0, index);
}
/// <summary>
/// Converts a Generation 4+ Item ID to Generation 2 Item ID.
/// </summary>
/// <param name="g4val">Generation 4+ Item ID.</param>
/// <returns>Generation 2 Item ID.</returns>
public static byte GetG2Item(ushort g4val)
{
if (g4val == NaN)
return 0;
int index = Array.IndexOf(arr2, g4val);
return (byte)Math.Max(0, index);
}
#region Item Mapping Tables
/// <summary> Gen2 items (index) and their corresponding Gen4 item ID (value) </summary>
private static readonly ushort[] arr2 =
{
000, 001, 002, 213, 003, 004, NaN, 450, 081, 018, // 0
019, 020, 021, 022, 023, 024, 025, 026, 017, 078, // 1
079, 041, 082, 083, 084, NaN, 045, 046, 047, 048, // 2
256, 049, 050, 060, 085, 257, 092, 063, 027, 028, // 3
029, 055, 076, 077, 056, NaN, 030, 031, 032, 057, // 4
NaN, 058, 059, 061, 444, NaN, NaN, 216, 445, 446, // 5
NaN, 447, 051, 038, 039, 040, 478, 464, 456, 484, // 6
NaN, 482, 033, 217, 151, NaN, 237, 244, 149, 153, // 7
152, 245, 221, 156, 150, 485, 086, 087, 222, 487, // 8
NaN, 223, 486, 488, 224, 243, 248, 490, 241, 491, // 9
NaN, 489, 240, 473, NaN, 259, 228, 246, 242, 157, // 10
088, 089, 229, 247, 504, NaN, NaN, 239, 258, 230, // 11
NaN, 034, 035, 036, 037, 238, 231, 475, 481, NaN, // 12
NaN, 090, 091, 476, 480, NaN, NaN, NaN, 249, 043, // 13
232, NaN, NaN, 233, 250, NaN, 234, NaN, NaN, NaN, // 14
154, 235, NaN, NaN, NaN, NaN, 044, 495, NaN, 493, // 15
NaN, 492, NaN, 236, 497, 498, 496, NaN, NaN, 080, // 16
NaN, NaN, 252, 155, 158, 477, NaN, 500, 483, NaN, // 17
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, // 18
NaN, 328, 329, 330, 331, 331, 332, 333, 334, 335, // 19
336, 337, 338, 339, 340, 341, 342, 343, 344, 345, // 20
346, 347, 348, 349, 350, 351, 352, 353, 354, 355, // 21
355, 356, 357, 358, 359, 360, 361, 362, 363, 364, // 22
365, 366, 367, 368, 369, 370, 371, 372, 373, 374, // 23
375, 376, 377, 420, 421, 422, 423, 424, 425, 426, // 24
427, NaN, NaN, NaN, NaN, NaN,
};
/// <summary> Gen3 items (index) and their corresponding Gen4 item ID (value) </summary>
private static readonly ushort[] arr3 =
{
000, 001, 002, 003, 004, 005, 006, 007, 008, 009,
010, 011, 012, 017, 018, 019, 020, 021, 022, 023,
024, 025, 026, 027, 028, 029, 030, 031, 032, 033,
034, 035, 036, 037, 038, 039, 040, 041, 042, 065,
066, 067, 068, 069, 043, 044, 070, 071, 072, 073,
074, 075, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, 045, 046, 047, 048, 049, 050, 051,
052, 053, NaN, 055, 056, 057, 058, 059, 060, 061,
063, 064, NaN, 076, 077, 078, 079, NaN, NaN, NaN,
NaN, NaN, NaN, 080, 081, 082, 083, 084, 085, NaN,
NaN, NaN, NaN, 086, 087, NaN, 088, 089, 090, 091,
092, 093, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, 149, 150, 151, 152, 153, 154, 155,
156, 157, 158, 159, 160, 161, 162, 163, 164, 165,
166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
176, 177, 178, 179, 180, 181, 182, 183, 201, 202,
203, 204, 205, 206, 207, 208, NaN, NaN, NaN, 213,
214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
234, 235, 236, 237, 238, 239, 240, 241, 242, 243,
244, 245, 246, 247, 248, 249, 250, 251, 252, 253,
254, 255, 256, 257, 258, 259, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, 260, 261, 262, 263, 264,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN, NaN,
328, 329, 330, 331, 332, 333, 334, 335, 336, 337,
338, 339, 340, 341, 342, 343, 344, 345, 346, 347,
348, 349, 350, 351, 352, 353, 354, 355, 356, 357,
358, 359, 360, 361, 362, 363, 364, 365, 366, 367,
368, 369, 370, 371, 372, 373, 374, 375, 376, 377,
};
#endregion
}
}