146 lines
3.7 KiB
C#
146 lines
3.7 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.UI;
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/// <summary>
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/// Binds five pre-authored UI touch regions to the existing gameplay input path.
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/// This script does not create runtime objects. You assign the region RectTransforms
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/// in the inspector, and it ensures each one has an Image raycast target plus a
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/// TrackTouchRegion configured with the matching track index.
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/// </summary>
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[DisallowMultipleComponent]
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public class TrackTouchRegionLayoutController : MonoBehaviour
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{
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[Serializable]
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public class RegionBinding
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{
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[Range(0, 4)]
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public int trackIndex;
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[Tooltip("Pre-authored UI region to bind. Assign in inspector.")]
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public RectTransform regionObject;
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[Tooltip("Optional debug tint. Alpha 0 keeps the region invisible while preserving raycasts.")]
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public Color debugTint = new Color(1f, 1f, 1f, 0f);
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}
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[Header("Behavior")]
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public bool bindOnStart = true;
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public bool mobileOnly = true;
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[Header("Prebound Regions")]
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public RegionBinding[] regions = new RegionBinding[5];
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private void Reset()
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{
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EnsureDefaultBindings();
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}
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private void Awake()
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{
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EnsureDefaultBindings();
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}
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private void Start()
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{
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if (!bindOnStart)
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{
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return;
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}
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if (mobileOnly && !Application.isMobilePlatform)
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{
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DisableTouchRegionsForCurrentPlatform();
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return;
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}
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ApplyBindings();
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}
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[ContextMenu("Apply Touch Region Bindings")]
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public void ApplyBindings()
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{
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EnsureDefaultBindings();
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for (int i = 0; i < regions.Length; i++)
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{
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BindRegion(regions[i], i);
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}
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}
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private void EnsureDefaultBindings()
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{
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if (regions == null || regions.Length != 5)
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{
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regions = new RegionBinding[5];
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}
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for (int i = 0; i < regions.Length; i++)
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{
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if (regions[i] == null)
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{
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regions[i] = new RegionBinding();
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}
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regions[i].trackIndex = Mathf.Clamp(i, 0, 4);
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}
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}
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private static void BindRegion(RegionBinding binding, int fallbackTrackIndex)
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{
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if (binding == null || binding.regionObject == null)
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{
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return;
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}
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int trackIndex = Mathf.Clamp(binding.trackIndex, 0, 4);
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if (trackIndex != fallbackTrackIndex)
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{
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trackIndex = Mathf.Clamp(trackIndex, 0, 4);
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}
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Image image = binding.regionObject.GetComponent<Image>();
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if (image == null)
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{
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image = binding.regionObject.gameObject.AddComponent<Image>();
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}
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image.color = binding.debugTint;
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image.raycastTarget = true;
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TrackTouchRegion touchRegion = binding.regionObject.GetComponent<TrackTouchRegion>();
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if (touchRegion == null)
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{
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touchRegion = binding.regionObject.gameObject.AddComponent<TrackTouchRegion>();
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}
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touchRegion.trackIndex = trackIndex;
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}
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private void DisableTouchRegionsForCurrentPlatform()
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{
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EnsureDefaultBindings();
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for (int i = 0; i < regions.Length; i++)
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{
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RegionBinding binding = regions[i];
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if (binding == null || binding.regionObject == null)
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{
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continue;
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}
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Image image = binding.regionObject.GetComponent<Image>();
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if (image != null)
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{
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image.raycastTarget = false;
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}
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TrackTouchRegion touchRegion = binding.regionObject.GetComponent<TrackTouchRegion>();
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if (touchRegion != null)
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{
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touchRegion.enabled = false;
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}
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}
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}
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}
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