mirror of
https://github.com/kwsch/PKHeX
synced 2024-11-23 04:23:12 +00:00
500 lines
18 KiB
C#
500 lines
18 KiB
C#
using System;
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using System.Collections.Generic;
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using static PKHeX.Core.AreaWeather8;
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using static PKHeX.Core.AreaSlotType8;
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using static System.Buffers.Binary.BinaryPrimitives;
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namespace PKHeX.Core;
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/// <inheritdoc cref="EncounterArea" />
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/// <summary>
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/// <see cref="GameVersion.SWSH"/> encounter area
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/// </summary>
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public sealed record EncounterArea8 : EncounterArea, IMemorySpeciesArea
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{
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public readonly EncounterSlot8[] Slots;
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/// <summary>
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/// Slots from this area can cross over to another area, resulting in a different met location.
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/// </summary>
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/// <remarks>
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/// Should only be true if it is a Symbol (visible) encounter.
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/// </remarks>
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public readonly bool PermitCrossover;
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public override bool IsMatchLocation(int location)
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{
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if (Location == location)
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return true;
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if (!PermitCrossover)
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return false;
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// Get all other areas that the Location can bleed encounters to
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if (!ConnectingArea8.TryGetValue(Location, out var others))
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return false;
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// Check if any of the other areas are the met location
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return Array.IndexOf(others, (byte)location) != -1;
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}
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public IEnumerable<EncounterSlot8> GetMatchingSlots(PKM pk, EvoCriteria[] chain)
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{
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var metLocation = pk.Met_Location;
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// wild area gets boosted up to level 60 post-game
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var met = pk.Met_Level;
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bool isBoosted = met == BoostLevel && IsBoostedArea60(Location);
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if (isBoosted)
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return GetBoostedMatches(chain, metLocation);
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return GetUnboostedMatches(chain, met, metLocation);
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}
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private IEnumerable<EncounterSlot8> GetUnboostedMatches(EvoCriteria[] chain, int metLevel, int metLocation)
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{
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foreach (var slot in Slots)
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{
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foreach (var evo in chain)
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{
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if (slot.Species != evo.Species)
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continue;
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if (!slot.IsLevelWithinRange(metLevel))
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break;
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if (slot.Form != evo.Form && slot.Species is not (int)Species.Rotom)
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break;
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if (slot.Weather is Heavy_Fog && IsWildArea8(Location))
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break;
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if (Location != metLocation && !CanCrossoverTo(Location, metLocation, slot.SlotType))
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break;
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yield return slot;
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break;
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}
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}
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}
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private IEnumerable<EncounterSlot8> GetBoostedMatches(EvoCriteria[] chain, int metLocation)
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{
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foreach (var slot in Slots)
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{
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foreach (var evo in chain)
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{
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if (slot.Species != evo.Species)
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continue;
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// Ignore max met level comparison; we already know it is permissible to boost to level 60.
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if (slot.LevelMin > BoostLevel)
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break; // Can't downlevel, only boost to 60.
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if (slot.Form != evo.Form && slot.Species is not (int)Species.Rotom)
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break;
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if (Location != metLocation && !CanCrossoverTo(Location, metLocation, slot.SlotType))
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break;
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yield return slot;
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break;
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}
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}
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}
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private static bool CanCrossoverTo(int fromLocation, int toLocation, AreaSlotType8 type)
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{
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if (!type.CanCrossover())
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return false;
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return true;
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}
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/// <summary>
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/// Post-game boosts all levels to a minimum of 60.
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/// </summary>
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public const int BoostLevel = 60;
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public static bool IsWildArea(int location) => IsWildArea8(location) || IsWildArea8Armor(location) || IsWildArea8Crown(location);
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public static bool IsBoostedArea60(int location) => IsWildArea(location);
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public static bool IsBoostedArea60Fog(int location) => IsWildArea8(location); // IoA doesn't have fog restriction by badges, and all Crown stuff is above 60.
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public static bool IsWildArea8(int location) => location is >= 122 and <= 154; // Rolling Fields -> Lake of Outrage
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public static bool IsWildArea8Armor(int location) => location is >= 164 and <= 194; // Fields of Honor -> Honeycalm Island
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public static bool IsWildArea8Crown(int location) => location is >= 204 and <= 234 and not 206; // Slippery Slope -> Dyna Tree Hill, skip Freezington
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// Location, and areas that it can feed encounters to.
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public static readonly IReadOnlyDictionary<int, byte[]> ConnectingArea8 = new Dictionary<int, byte[]>
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{
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// Route 3
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// City of Motostoke
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{28, new byte[] {20}},
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// Rolling Fields
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// Dappled Grove, East Lake Axewell, West Lake Axewell
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// Also connects to South Lake Miloch but too much of a stretch
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{122, new byte[] {124, 128, 130}},
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// Dappled Grove
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// Rolling Fields, Watchtower Ruins
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{124, new byte[] {122, 126}},
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// Watchtower Ruins
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// Dappled Grove, West Lake Axewell
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{126, new byte[] {124, 130}},
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// East Lake Axewell
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// Rolling Fields, West Lake Axewell, Axew's Eye, North Lake Miloch
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{128, new byte[] {122, 130, 132, 138}},
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// West Lake Axewell
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// Rolling Fields, Watchtower Ruins, East Lake Axewell, Axew's Eye
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{130, new byte[] {122, 126, 128, 132}},
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// Axew's Eye
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// East Lake Axewell, West Lake Axewell
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{132, new byte[] {128, 130}},
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// South Lake Miloch
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// Giant's Seat, North Lake Miloch
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{134, new byte[] {136, 138}},
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// Giant's Seat
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// South Lake Miloch, North Lake Miloch
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{136, new byte[] {134, 138}},
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// North Lake Miloch
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// East Lake Axewell, South Lake Miloch, Giant's Seat
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// Also connects to Motostoke Riverbank but too much of a stretch
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{138, new byte[] {134, 136}},
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// Motostoke Riverbank
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// Bridge Field
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{140, new byte[] {142}},
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// Bridge Field
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// Motostoke Riverbank, Stony Wilderness
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{142, new byte[] {140, 144}},
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// Stony Wilderness
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// Bridge Field, Dusty Bowl, Giant's Mirror, Giant's Cap
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{144, new byte[] {142, 146, 148, 152}},
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// Dusty Bowl
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// Stony Wilderness, Giant's Mirror, Hammerlocke Hills
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{146, new byte[] {144, 148, 150}},
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// Giant's Mirror
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// Stony Wilderness, Dusty Bowl, Hammerlocke Hills
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{148, new byte[] {144, 146, 148}},
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// Hammerlocke Hills
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// Dusty Bowl, Giant's Mirror, Giant's Cap
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{150, new byte[] {146, 148, 152}},
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// Giant's Cap
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// Stony Wilderness, Giant's Cap
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// Also connects to Lake of Outrage but too much of a stretch
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{152, new byte[] {144, 150}},
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// Lake of Outrage is just itself.
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// Challenge Beach
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// Soothing Wetlands, Courageous Cavern
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{170, new byte[] {166, 176}},
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// Challenge Road
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// Brawler's Cave
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{174, new byte[] {172}},
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// Courageous Cavern
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// Loop Lagoon
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{176, new byte[] {178}},
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// Warm-Up Tunnel
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// Training Lowlands, Potbottom Desert
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{182, new byte[] {180, 184}},
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// Workout Sea
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// Fields of Honor
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{186, new byte[] {164}},
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// Stepping-Stone Sea
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// Fields of Honor
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{188, new byte[] {170}},
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// Insular Sea
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// Honeycalm Sea
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{190, new byte[] {192}},
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// Honeycalm Sea
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// Honeycalm Island
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{192, new byte[] {194}},
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// Frostpoint Field
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// Freezington
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{208, new byte[] {206}},
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// Old Cemetery
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// Giant’s Bed
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{212, new byte[] {210}},
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// Roaring-Sea Caves
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// Giant’s Foot
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{224, new byte[] {222}},
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// Ballimere Lake
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// Lakeside Cave
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{230, new byte[] {232}},
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};
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/// <summary>
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/// Location IDs matched with possible weather types. Unlisted locations may only have Normal weather.
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/// </summary>
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internal static readonly Dictionary<int, AreaWeather8> WeatherbyArea = new()
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{
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{ 68, Intense_Sun }, // Route 6
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{ 88, Snowing }, // Route 8 (Steamdrift Way)
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{ 90, Snowing }, // Route 9
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{ 92, Snowing }, // Route 9 (Circhester Bay)
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{ 94, Overcast }, // Route 9 (Outer Spikemuth)
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{ 106, Snowstorm }, // Route 10
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{ 122, All }, // Rolling Fields
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{ 124, All }, // Dappled Grove
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{ 126, All }, // Watchtower Ruins
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{ 128, All }, // East Lake Axewell
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{ 130, All }, // West Lake Axewell
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{ 132, All }, // Axew's Eye
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{ 134, All }, // South Lake Miloch
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{ 136, All }, // Giant's Seat
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{ 138, All }, // North Lake Miloch
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{ 140, All }, // Motostoke Riverbank
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{ 142, All }, // Bridge Field
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{ 144, All }, // Stony Wilderness
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{ 146, All }, // Dusty Bowl
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{ 148, All }, // Giant's Mirror
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{ 150, All }, // Hammerlocke Hills
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{ 152, All }, // Giant's Cap
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{ 154, All }, // Lake of Outrage
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{ 164, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Fields of Honor
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{ 166, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Soothing Wetlands
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{ 168, All_IoA }, // Forest of Focus
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{ 170, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Challenge Beach
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{ 174, All_IoA }, // Challenge Road
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{ 178, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Loop Lagoon
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{ 180, All_IoA }, // Training Lowlands
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{ 184, Normal | Overcast | Raining | Sandstorm | Intense_Sun | Heavy_Fog }, // Potbottom Desert
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{ 186, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Workout Sea
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{ 188, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Stepping-Stone Sea
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{ 190, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Insular Sea
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{ 192, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Honeycalm Sea
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{ 194, Normal | Overcast | Stormy | Intense_Sun | Heavy_Fog }, // Honeycalm Island
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{ 204, Normal | Overcast | Intense_Sun | Icy | Heavy_Fog }, // Slippery Slope
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{ 208, Normal | Overcast | Intense_Sun | Icy | Heavy_Fog }, // Frostpoint Field
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{ 210, All_CT }, // Giant's Bed
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{ 212, All_CT }, // Old Cemetery
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{ 214, Normal | Overcast | Intense_Sun | Icy | Heavy_Fog }, // Snowslide Slope
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{ 216, Overcast }, // Tunnel to the Top
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{ 218, Normal | Overcast | Intense_Sun | Icy | Heavy_Fog }, // Path to the Peak
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{ 222, All_CT }, // Giant's Foot
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{ 224, Overcast }, // Roaring-Sea Caves
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{ 226, No_Sun_Sand }, // Frigid Sea
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{ 228, All_CT }, // Three-Point Pass
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{ 230, All_Ballimere }, // Ballimere Lake
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{ 232, Overcast }, // Lakeside Cave
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};
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/// <summary>
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/// Weather types that may bleed into each location from adjacent locations for standard symbol encounter slots.
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/// </summary>
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internal static readonly Dictionary<int, AreaWeather8> WeatherBleedSymbol = new()
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{
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{ 166, All_IoA }, // Soothing Wetlands from Forest of Focus
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{ 170, All_IoA }, // Challenge Beach from Forest of Focus
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{ 182, All_IoA }, // Warm-Up Tunnel from Training Lowlands
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{ 208, All_CT }, // Frostpoint Field from Giant's Bed
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{ 216, Normal | Overcast | Intense_Sun | Icy | Heavy_Fog }, // Tunnel to the Top from Path to the Peak
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{ 224, All_CT }, // Roaring-Sea Caves from Three-Point Pass
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{ 232, All_Ballimere }, // Lakeside Cave from Ballimere Lake
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{ 230, All_CT }, // Ballimere Lake from Giant's Bed
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};
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/// <summary>
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/// Weather types that may bleed into each location from adjacent locations for surfing symbol encounter slots.
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/// </summary>
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private static readonly Dictionary<int, AreaWeather8> WeatherBleedSymbolSurfing = new()
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{
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{ 192, All_IoA }, // Honeycalm Sea from Training Lowlands
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{ 224, All_CT }, // Roaring-Sea Caves from Giant's Foot
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};
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/// <summary>
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/// Weather types that may bleed into each location from adjacent locations for Sharpedo symbol encounter slots.
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/// </summary>
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private static readonly Dictionary<int, AreaWeather8> WeatherBleedSymbolSharpedo = new()
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{
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{ 192, All_IoA }, // Honeycalm Sea from Training Lowlands
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};
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/// <summary>
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/// Weather types that may bleed into each location from adjacent locations, for standard hidden grass encounter slots.
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/// </summary>
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private static readonly Dictionary<int, AreaWeather8> WeatherBleedHiddenGrass = new()
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{
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{ 166, All_IoA }, // Soothing Wetlands from Forest of Focus
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{ 170, All_IoA }, // Challenge Beach from Forest of Focus
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{ 208, All_CT }, // Frostpoint Field from Giant's Bed
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{ 230, All_CT }, // Ballimere Lake from Giant's Bed
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};
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public static bool IsCrossoverBleedPossible(AreaSlotType8 type, int fromLocation, int toLocation) => true;
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public static bool IsWeatherBleedPossible(AreaSlotType8 type, AreaWeather8 permit, int location) => type switch
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{
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SymbolMain or SymbolMain2 or SymbolMain3 => WeatherBleedSymbol .TryGetValue(location, out var weather) && weather.HasFlag(permit),
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HiddenMain or HiddenMain2 => WeatherBleedHiddenGrass .TryGetValue(location, out var weather) && weather.HasFlag(permit),
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Surfing => WeatherBleedSymbolSurfing .TryGetValue(location, out var weather) && weather.HasFlag(permit),
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Sharpedo => WeatherBleedSymbolSharpedo.TryGetValue(location, out var weather) && weather.HasFlag(permit),
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_ => false,
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};
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public static EncounterArea8[] GetAreas(BinLinkerAccessor input, GameVersion game, bool symbol = false)
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{
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var result = new EncounterArea8[input.Length];
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for (int i = 0; i < result.Length; i++)
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result[i] = new EncounterArea8(input[i], symbol, game);
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return result;
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}
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private EncounterArea8(ReadOnlySpan<byte> areaData, bool symbol, GameVersion game) : base(game)
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{
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PermitCrossover = symbol;
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Location = areaData[0];
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Slots = ReadSlots(areaData, areaData[1]);
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}
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private EncounterSlot8[] ReadSlots(ReadOnlySpan<byte> areaData, byte slotCount)
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{
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var slots = new EncounterSlot8[slotCount];
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int ctr = 0;
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int ofs = 2;
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do
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{
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// Read area metadata
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var meta = areaData.Slice(ofs, 6);
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var flags = (AreaWeather8) ReadUInt16LittleEndian(meta);
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var min = meta[2];
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var max = meta[3];
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var count = meta[4];
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var slotType = (AreaSlotType8)meta[5];
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ofs += 6;
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// Read slots
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const int bpe = 2;
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for (int i = 0; i < count; i++, ctr++, ofs += bpe)
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{
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var entry = areaData.Slice(ofs, bpe);
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var species = ReadUInt16LittleEndian(entry);
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byte form = (byte)(species >> 11);
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species &= 0x3FF;
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slots[ctr] = new EncounterSlot8(this, species, form, min, max, flags, slotType);
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}
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} while (ctr != slots.Length);
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return slots;
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}
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public bool HasSpecies(ushort species)
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{
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foreach (var slot in Slots)
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{
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if (slot.Species == species)
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return true;
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}
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return false;
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}
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}
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/// <summary>
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/// Encounter Conditions for <see cref="GameVersion.SWSH"/>
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/// </summary>
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/// <remarks>Values above <see cref="AreaWeather8.All"/> are for Shaking/Fishing hidden encounters only.</remarks>
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[Flags]
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public enum AreaWeather8 : ushort
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{
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None,
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Normal = 1,
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Overcast = 1 << 1,
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Raining = 1 << 2,
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Thunderstorm = 1 << 3,
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Intense_Sun = 1 << 4,
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Snowing = 1 << 5,
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Snowstorm = 1 << 6,
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Sandstorm = 1 << 7,
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Heavy_Fog = 1 << 8,
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All = Normal | Overcast | Raining | Thunderstorm | Intense_Sun | Snowing | Snowstorm | Sandstorm | Heavy_Fog,
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Stormy = Raining | Thunderstorm,
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Icy = Snowing | Snowstorm,
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All_IoA = Normal | Overcast | Stormy | Intense_Sun | Sandstorm | Heavy_Fog, // IoA can have everything but snow
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All_CT = Normal | Overcast | Stormy | Intense_Sun | Icy | Heavy_Fog, // CT can have everything but sand
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No_Sun_Sand = Normal | Overcast | Stormy | Icy | Heavy_Fog, // Everything but sand and sun
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All_Ballimere = Normal | Overcast | Stormy | Intense_Sun | Snowing | Heavy_Fog, // All Ballimere Lake weather
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Shaking_Trees = 1 << 9,
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Fishing = 1 << 10,
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NotWeather = Shaking_Trees | Fishing,
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}
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/// <summary>
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/// Extension methods for <see cref="AreaWeather8"/>.
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/// </summary>
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public static class AreaWeather8Extensions
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{
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public static bool IsMarkCompatible(this AreaWeather8 weather, IRibbonSetMark8 m)
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{
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if (m.RibbonMarkCloudy) return (weather & Overcast) != 0;
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if (m.RibbonMarkRainy) return (weather & Raining) != 0;
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if (m.RibbonMarkStormy) return (weather & Thunderstorm) != 0;
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if (m.RibbonMarkSnowy) return (weather & Snowing) != 0;
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if (m.RibbonMarkBlizzard) return (weather & Snowstorm) != 0;
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if (m.RibbonMarkDry) return (weather & Intense_Sun) != 0;
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if (m.RibbonMarkSandstorm) return (weather & Sandstorm) != 0;
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if (m.RibbonMarkMisty) return (weather & Heavy_Fog) != 0;
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return true; // no mark / etc is fine; check later.
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}
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}
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/// <summary>
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/// Encounter Slot Types for <see cref="GameVersion.SWSH"/>
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/// </summary>
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public enum AreaSlotType8 : byte
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{
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SymbolMain,
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SymbolMain2,
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SymbolMain3,
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HiddenMain, // Both HiddenMain tables include the tree/fishing slots for the area.
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HiddenMain2,
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Surfing,
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Surfing2,
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Sky,
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Sky2,
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Ground,
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Ground2,
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Sharpedo,
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OnlyFishing, // More restricted hidden table that ignores the weather slots like grass Tentacool.
|
||
Inaccessible, // Shouldn't show up since these tables are not dumped.
|
||
}
|
||
|
||
/// <summary>
|
||
/// Extension methods for <see cref="AreaSlotType8"/>.
|
||
/// </summary>
|
||
public static class AreaSlotType8Extensions
|
||
{
|
||
public static bool CanCrossover(this AreaSlotType8 type) => type is not (HiddenMain or HiddenMain2 or OnlyFishing);
|
||
public static bool CanEncounterViaFishing(this AreaSlotType8 type, AreaWeather8 weather) => type is OnlyFishing || weather.HasFlag(Fishing);
|
||
public static bool CanEncounterViaCurry(this AreaSlotType8 type) => type is HiddenMain or HiddenMain2;
|
||
}
|