159 lines
4.8 KiB
C#
159 lines
4.8 KiB
C#
using UnityEngine;
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using UnityEngine.Rendering.Universal;
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using UnityEngine.SceneManagement;
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namespace NLD
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{
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/// <summary>
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/// 在特定相机和特定场景上启用depth texture
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/// 用于支持需要深度信息的shader（如雾效soft particles）
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/// </summary>
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[RequireComponent(typeof(UnityEngine.Camera))]
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public class EnableDepthTextureForCamera : MonoBehaviour
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{
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[Header("场景限制")]
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[Tooltip("指定在哪些场景中启用depth texture，留空则在所有场景生效")]
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[SerializeField] private string[] targetSceneNames = new string[0];
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[Header("调试信息")]
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[Tooltip("是否输出调试日志")]
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[SerializeField] private bool showDebugLog = true;
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private UnityEngine.Camera _camera;
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private UniversalAdditionalCameraData _cameraData;
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private bool _originalRequireDepth;
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private bool _isDepthEnabled = false;
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private void OnEnable()
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{
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// 检查是否在目标场景中
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if (!IsInTargetScene())
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{
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if (showDebugLog)
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{
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Debug.Log($"[EnableDepthTexture] 相机 '{gameObject.name}' 不在目标场景中，跳过启用");
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}
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return;
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}
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InitializeCamera();
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EnableDepthTexture();
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CheckRenderTextureConfiguration();
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}
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private void OnDisable()
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{
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RestoreOriginalSettings();
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}
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private void InitializeCamera()
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{
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_camera = GetComponent<UnityEngine.Camera>();
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_cameraData = _camera.GetUniversalAdditionalCameraData();
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if (_cameraData == null)
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{
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Debug.LogError($"[EnableDepthTexture] 相机 '{gameObject.name}' 没有UniversalAdditionalCameraData组件！");
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}
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}
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private void EnableDepthTexture()
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{
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if (_cameraData == null) return;
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_originalRequireDepth = _cameraData.requiresDepthTexture;
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_cameraData.requiresDepthTexture = true;
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_isDepthEnabled = true;
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if (showDebugLog)
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{
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Debug.Log($"[EnableDepthTexture] 已在相机 '{gameObject.name}' 上启用depth texture");
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}
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}
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private void RestoreOriginalSettings()
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{
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if (_isDepthEnabled && _cameraData != null)
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{
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_cameraData.requiresDepthTexture = _originalRequireDepth;
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_isDepthEnabled = false;
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if (showDebugLog)
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{
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Debug.Log($"[EnableDepthTexture] 已恢复相机 '{gameObject.name}' 的原始depth texture设置");
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}
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}
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}
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private bool IsInTargetScene()
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{
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if (targetSceneNames == null || targetSceneNames.Length == 0)
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{
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return true;
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}
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string currentSceneName = SceneManager.GetActiveScene().name;
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foreach (string sceneName in targetSceneNames)
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{
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if (string.IsNullOrEmpty(sceneName))
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{
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continue;
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}
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if (currentSceneName.Equals(sceneName, System.StringComparison.OrdinalIgnoreCase))
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{
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return true;
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}
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}
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return false;
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}
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private void CheckRenderTextureConfiguration()
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{
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if (_camera == null || _camera.targetTexture == null)
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{
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return;
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}
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RenderTexture rt = _camera.targetTexture;
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if (rt.depth == 0)
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{
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Debug.LogWarning(
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$"[EnableDepthTexture] 警告：相机 '{gameObject.name}' 渲染到RenderTexture '{rt.name}'，" +
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$"但该RT没有depth buffer (depthBufferBits = 0)！\n"
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);
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}
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else if (showDebugLog)
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{
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Debug.Log(
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$"[EnableDepthTexture] RenderTexture '{rt.name}' 配置正确 " +
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$"(depthBufferBits = {rt.depth})"
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);
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}
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}
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public void SetDepthTextureEnabled(bool enabled)
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{
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if (_cameraData != null && IsInTargetScene())
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{
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_cameraData.requiresDepthTexture = enabled;
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_isDepthEnabled = enabled;
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if (showDebugLog)
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{
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Debug.Log($"[EnableDepthTexture] 运行时设置depth texture为: {enabled}");
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}
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}
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}
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public bool IsDepthTextureEnabled()
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{
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return _isDepthEnabled && _cameraData != null && _cameraData.requiresDepthTexture;
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}
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}
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}
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