PKHeX/PKHeX.Core/Legality/Areas/EncounterArea1.cs

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using System;
using System.Collections.Generic;
using System.Linq;
namespace PKHeX.Core
{
/// <inheritdoc />
/// <summary>
/// <see cref="GameVersion.RBY"/> encounter area
/// </summary>
public sealed class EncounterArea1 : EncounterAreaGB
{
private static EncounterSlot1[] ReadSlots1FishingYellow(byte[] data, ref int ofs, int count, SlotType t, int rate)
{
// Convert byte to actual number
int[] Levelbytelist = { 0xFF, 0x15, 0x67, 0x1D, 0x3B, 0x5C, 0x72, 0x16, 0x71, 0x18, 0x00, 0x6D, 0x80, };
int[] dexbytelist = { 0x47, 0x6E, 0x18, 0x9B, 0x17, 0x4E, 0x8A, 0x5C, 0x5D, 0x9D, 0x9E, 0x1B, 0x85, 0x16, 0x58, 0x59, };
int[] specieslist = { 060, 061, 072, 073, 090, 098, 099, 116, 117, 118, 119, 120, 129, 130, 147, 148, };
EncounterSlot1[] slots = new EncounterSlot1[count];
for (int i = 0; i < count; i++)
{
int spec = specieslist[Array.IndexOf(dexbytelist, data[ofs++])];
int lvl = Array.IndexOf(Levelbytelist, data[ofs++]) * 5;
slots[i] = new EncounterSlot1
{
LevelMax = lvl,
LevelMin = lvl,
Species = spec,
Type = t,
Rate = rate,
SlotNumber = i,
};
}
return slots;
}
/// <summary>
/// Gets the encounter areas with <see cref="EncounterSlot"/> information from Generation 1 Grass/Water data.
/// </summary>
/// <param name="data">Input raw data.</param>
/// <returns>Array of encounter areas.</returns>
public static EncounterArea1[] GetArray1GrassWater(byte[] data)
{
// RBY Format
var ptr = new int[255];
int count = 0;
for (int i = 0; i < ptr.Length; i++)
{
ptr[i] = BitConverter.ToInt16(data, i * 2);
if (ptr[i] != -1)
continue;
count = i;
break;
}
EncounterArea1[] areas = new EncounterArea1[count];
for (int i = 0; i < areas.Length; i++)
{
var grass = GetSlots1GrassWater(data, ref ptr[i], SlotType.Grass);
var water = GetSlots1GrassWater(data, ref ptr[i], SlotType.Surf);
areas[i] = new EncounterArea1
{
Location = i,
Slots = grass.Concat(water).ToArray()
};
}
return areas.Where(area => area.Slots.Length != 0).ToArray();
}
/// <summary>
/// Gets the encounter areas with <see cref="EncounterSlot"/> information from Pokémon Yellow (Generation 1) Fishing data.
/// </summary>
/// <param name="data">Input raw data.</param>
/// <returns>Array of encounter areas.</returns>
public static EncounterArea1[] GetArray1FishingYellow(byte[] data)
{
const int size = 9;
int count = data.Length / size;
EncounterArea1[] areas = new EncounterArea1[count];
for (int i = 0; i < count; i++)
{
int ofs = (i * size) + 1;
areas[i] = new EncounterArea1
{
Location = data[(i * size) + 0],
Slots = ReadSlots1FishingYellow(data, ref ofs, 4, SlotType.Super_Rod, -1)
};
}
return areas;
}
/// <summary>
/// Gets the encounter areas with <see cref="EncounterSlot"/> information from Generation 1 Fishing data.
/// </summary>
/// <param name="data">Input raw data.</param>
/// <returns>Array of encounter areas.</returns>
public static EncounterArea1[] GetArray1Fishing(byte[] data)
{
var ptr = new int[255];
var map = new int[255];
int count = 0;
for (int i = 0; i < ptr.Length; i++)
{
map[i] = data[(i * 3) + 0];
if (map[i] == 0xFF)
{
count = i;
break;
}
ptr[i] = BitConverter.ToInt16(data, (i * 3) + 1);
}
EncounterArea1[] areas = new EncounterArea1[count];
for (int i = 0; i < areas.Length; i++)
{
areas[i] = new EncounterArea1
{
Location = map[i],
Slots = GetSlots1Fishing(data, ref ptr[i])
};
}
return areas;
}
private static IEnumerable<EncounterSlot1> GetSlots1GrassWater(byte[] data, ref int ofs, SlotType t)
{
int rate = data[ofs++];
return rate == 0 ? Enumerable.Empty<EncounterSlot1>() : ReadSlots1(data, ref ofs, 10, t, rate);
}
private static EncounterSlot1[] GetSlots1Fishing(byte[] data, ref int ofs)
{
int count = data[ofs++];
return ReadSlots1(data, ref ofs, count, SlotType.Super_Rod, -1);
}
}
}