122 lines
5.0 KiB
C#
122 lines
5.0 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace AxiInputSP.UGUI
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{
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public class AxiIptJoystick : IDisposable
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{
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enum AxiIptJoystickState
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{
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None,
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KeyUp,
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KeyDown,
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KeyHold
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}
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static long LastCheckFrame = -1;
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static Func<Vector2Int> RawJoy;
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AxiInputUGUIHandle[] handles = new AxiInputUGUIHandle[4];
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static Dictionary<AxiInputUGuiBtnType, AxiIptJoystickState> mAxis2State = new Dictionary<AxiInputUGuiBtnType, AxiIptJoystickState>();
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public AxiIptJoystick(Func<Vector2Int> getRawJoy)
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{
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RawJoy = getRawJoy;
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handles[0] = new AxiInputUGUIHandle(AxiInputUGuiBtnType.UP);
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handles[0].GetKeyHandle = (() => { return GetKey(AxiInputUGuiBtnType.UP); });
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handles[0].GetKeyUpHandle = (() => { return GetKeyUp(AxiInputUGuiBtnType.UP); });
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handles[0].GetKeyDownHandle = (() => { return GetKeyDown(AxiInputUGuiBtnType.UP); });
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mAxis2State[AxiInputUGuiBtnType.UP] = AxiIptJoystickState.None;
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handles[1] = new AxiInputUGUIHandle(AxiInputUGuiBtnType.DOWN);
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handles[1].GetKeyHandle = (() => { return GetKey(AxiInputUGuiBtnType.DOWN); });
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handles[1].GetKeyUpHandle = (() => { return GetKeyUp(AxiInputUGuiBtnType.DOWN); });
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handles[1].GetKeyDownHandle = (() => { return GetKeyDown(AxiInputUGuiBtnType.DOWN); });
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mAxis2State[AxiInputUGuiBtnType.DOWN] = AxiIptJoystickState.None;
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handles[2] = new AxiInputUGUIHandle(AxiInputUGuiBtnType.LEFT);
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handles[2].GetKeyHandle = (() => { return GetKey(AxiInputUGuiBtnType.LEFT); });
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handles[2].GetKeyUpHandle = (() => { return GetKeyUp(AxiInputUGuiBtnType.LEFT); });
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handles[2].GetKeyDownHandle = (() => { return GetKeyDown(AxiInputUGuiBtnType.LEFT); });
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mAxis2State[AxiInputUGuiBtnType.LEFT] = AxiIptJoystickState.None;
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handles[3] = new AxiInputUGUIHandle(AxiInputUGuiBtnType.RIGHT);
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handles[3].GetKeyHandle = (() => { return GetKey(AxiInputUGuiBtnType.RIGHT); });
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handles[3].GetKeyUpHandle = (() => { return GetKeyUp(AxiInputUGuiBtnType.RIGHT); });
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handles[3].GetKeyDownHandle = (() => { return GetKeyDown(AxiInputUGuiBtnType.RIGHT); });
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mAxis2State[AxiInputUGuiBtnType.RIGHT] = AxiIptJoystickState.None;
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}
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public void Dispose()
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{
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for (int i = 0; i < handles.Length; i++)
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{
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handles[i].Dispose();
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handles[i] = null;
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}
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mAxis2State.Clear();
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}
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public static void UpdateState()
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{
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if (LastCheckFrame == Time.frameCount)
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return;
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LastCheckFrame = Time.frameCount;
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RecheckSingleState(AxiInputUGuiBtnType.RIGHT);
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RecheckSingleState(AxiInputUGuiBtnType.LEFT);
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RecheckSingleState(AxiInputUGuiBtnType.UP);
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RecheckSingleState(AxiInputUGuiBtnType.DOWN);
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}
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static void RecheckSingleState(AxiInputUGuiBtnType axisType)
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{
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bool bKey = false;
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Vector2Int inputV2 = RawJoy.Invoke();
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switch (axisType)
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{
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case AxiInputUGuiBtnType.RIGHT: bKey = inputV2.x > 0; break;
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case AxiInputUGuiBtnType.LEFT: bKey = inputV2.x < 0; break;
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case AxiInputUGuiBtnType.UP: bKey = inputV2.y > 0; break;
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case AxiInputUGuiBtnType.DOWN: bKey = inputV2.y < 0; break;
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}
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//按下
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if (bKey)
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{
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//如果之前帧是KeyUp或None，则为KeyDown|KeyHold
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if (mAxis2State[axisType] <= AxiIptJoystickState.KeyUp)
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mAxis2State[axisType] = AxiIptJoystickState.KeyDown;
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//如果之前帧是KeyDown，则为KeyHold
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else if (mAxis2State[axisType] == AxiIptJoystickState.KeyDown)
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mAxis2State[axisType] = AxiIptJoystickState.KeyHold;
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}
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//未按下
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else
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{
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//如果之前帧是KeyDown|KeyHold，则为KeyUp|None
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if (mAxis2State[axisType] >= AxiIptJoystickState.KeyDown)
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mAxis2State[axisType] = AxiIptJoystickState.KeyUp;
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//如果之前帧是KeyUp，则为None
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else if (mAxis2State[axisType] == AxiIptJoystickState.KeyUp)
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mAxis2State[axisType] = AxiIptJoystickState.None;
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}
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}
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bool GetKey(AxiInputUGuiBtnType key)
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{
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UpdateState();
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return mAxis2State[key] >= AxiIptJoystickState.KeyDown;
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}
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bool GetKeyUp(AxiInputUGuiBtnType key)
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{
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UpdateState();
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return mAxis2State[key] == AxiIptJoystickState.KeyUp;
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}
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bool GetKeyDown(AxiInputUGuiBtnType key)
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{
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UpdateState();
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return mAxis2State[key] == AxiIptJoystickState.KeyDown;
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}
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}
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}
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