99 lines
2.6 KiB
C#
99 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace BizHawk.Emulation.Common
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{
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// the idea here is that various connected peripherals have their controls all merged
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// into one definition, including logic to unmerge the data back so each one can work
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// with it without knowing what else is connected
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public static class ControllerDefinitionMerger
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{
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private static string Allocate(string input, ref int plr, ref int plrnext)
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{
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int offset = int.Parse(input.Substring(0, 1));
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int currplr = plr + offset;
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if (currplr >= plrnext)
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plrnext = currplr + 1;
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return string.Format("P{0} {1}", currplr, input.Substring(1));
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}
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/// <summary>
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/// merge some controller definitions for different ports, and such. i promise to fully document this tomorrow
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/// </summary>
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/// <param name="Controllers"></param>
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/// <returns></returns>
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public static ControllerDefinition GetMerged(IEnumerable<ControllerDefinition> Controllers, out List<ControlDefUnMerger> Unmergers)
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{
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ControllerDefinition ret = new ControllerDefinition();
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Unmergers = new List<ControlDefUnMerger>();
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int plr = 1;
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int plrnext = 1;
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foreach (var def in Controllers)
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{
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Dictionary<string, string> remaps = new Dictionary<string, string>();
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foreach (string s in def.BoolButtons)
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{
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string r = Allocate(s, ref plr, ref plrnext);
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ret.BoolButtons.Add(r);
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remaps[s] = r;
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}
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foreach (string s in def.FloatControls)
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{
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string r = Allocate(s, ref plr, ref plrnext);
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ret.FloatControls.Add(r);
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remaps[s] = r;
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}
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ret.FloatRanges.AddRange(def.FloatRanges);
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plr = plrnext;
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Unmergers.Add(new ControlDefUnMerger(remaps));
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}
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return ret;
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}
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}
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public class ControlDefUnMerger
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{
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Dictionary<string, string> Remaps;
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public ControlDefUnMerger(Dictionary<string, string> Remaps)
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{
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this.Remaps = Remaps;
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}
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private class DummyController : IController
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{
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IController src;
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Dictionary<string, string> remaps;
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public DummyController(IController src, Dictionary<string, string> remaps)
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{
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this.src = src;
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this.remaps = remaps;
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}
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public ControllerDefinition Definition { get { throw new NotImplementedException(); } }
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public bool this[string button] { get { return IsPressed(button); } }
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public bool IsPressed(string button)
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{
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return src.IsPressed(remaps[button]);
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}
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public float GetFloat(string name)
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{
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return src.GetFloat(remaps[name]);
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}
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}
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public IController UnMerge(IController c)
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{
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return new DummyController(c, Remaps);
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}
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}
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}
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