更新
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SoulliesOfficial
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using UnityEngine;
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using System.Collections.Generic;
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using UnityEngine.Rendering;
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namespace GraphicsCat
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{
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public class RuntimeMaterialController : MonoBehaviour, IMGUIDockable
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{
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[System.Serializable]
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public class ControlledProperty
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{
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public string propertyName;
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}
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public List<ControlledProperty> controlledProperties = new List<ControlledProperty>();
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private readonly Dictionary<string, List<Material>> _materialsByProperty = new ();
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private readonly Dictionary<string, ShaderPropertyType> _shaderPropertyTypes = new ();
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private bool _initialized;
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public void OnDockGUI()
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{
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if (_materialsByProperty.Count == 0)
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return;
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foreach (var kv in _materialsByProperty)
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{
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string prop = kv.Key;
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List<Material> mats = kv.Value;
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if (mats == null || mats.Count == 0)
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continue;
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ShaderPropertyType type = _shaderPropertyTypes[prop];
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Material refMat = mats[0];
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GUILayout.Space(6);
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GUILayout.Label(prop, EditorLike.boldLabel);
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switch (type)
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{
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case ShaderPropertyType.Float:
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case ShaderPropertyType.Range:
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DrawFloatOrSlider(prop, mats, refMat, type);
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break;
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case ShaderPropertyType.Vector:
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DrawVector(prop, mats, refMat);
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break;
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case ShaderPropertyType.Color:
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DrawColor(prop, mats, refMat);
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break;
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case ShaderPropertyType.Texture:
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GUILayout.Label("Texture control not supported at runtime.");
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break;
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}
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}
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}
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private void Start()
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{
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IMGUIDock.topRight.DockGUI(this);
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RefreshMaterials();
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_initialized = true;
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}
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private void OnValidate()
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{
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if (Application.isPlaying && _initialized)
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RefreshMaterials();
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}
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private void RefreshMaterials()
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{
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_materialsByProperty.Clear();
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_shaderPropertyTypes.Clear();
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Renderer[] renderers = GameObjectUtils.FindObjectsByType<Renderer>();
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HashSet<Material> allMats = new HashSet<Material>();
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foreach (var r in renderers)
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{
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foreach (var mat in r.sharedMaterials)
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{
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if (mat != null)
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allMats.Add(mat);
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}
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}
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foreach (var cp in controlledProperties)
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{
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string propName = cp.propertyName;
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List<Material> matsWithProp = new List<Material>();
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ShaderPropertyType? detectedType = null;
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foreach (var mat in allMats)
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{
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Shader shader = mat.shader;
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if (shader == null)
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continue;
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if (!ShaderHasProperty(shader, propName))
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continue;
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matsWithProp.Add(mat);
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if (!detectedType.HasValue)
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{
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detectedType = GetShaderPropertyType(shader, propName);
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}
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}
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if (matsWithProp.Count > 0)
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{
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_materialsByProperty[propName] = matsWithProp;
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_shaderPropertyTypes[propName] = detectedType ?? ShaderPropertyType.Float;
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}
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}
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Debug.Log($"[RuntimeMaterialController] Found {_materialsByProperty.Count} valid controlled properties.");
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}
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private static bool ShaderHasProperty(Shader shader, string propertyName)
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{
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int count = shader.GetPropertyCount();
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for (int i = 0; i < count; i++)
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{
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if (shader.GetPropertyName(i) == propertyName)
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return true;
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}
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return false;
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}
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private static ShaderPropertyType GetShaderPropertyType(Shader shader, string propertyName)
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{
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int count = shader.GetPropertyCount();
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for (int i = 0; i < count; i++)
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{
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if (shader.GetPropertyName(i) == propertyName)
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return shader.GetPropertyType(i);
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}
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return ShaderPropertyType.Float;
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}
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private void DrawFloatOrSlider(string name, List<Material> mats, Material refMat, ShaderPropertyType type)
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{
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float value = refMat.GetFloat(name);
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float newValue;
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if (type == ShaderPropertyType.Range)
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{
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var propIndex = refMat.shader.FindPropertyIndex(name);
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Vector2 minMax = refMat.shader.GetPropertyRangeLimits(propIndex);
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newValue = GUILayout.HorizontalSlider(value, minMax.x, minMax.y);
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GUILayout.Label(newValue.ToString("0.##"));
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}
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else
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{
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GUILayout.BeginHorizontal();
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GUILayout.Label("Value", GUILayout.Width(60));
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string str = GUILayout.TextField(value.ToString("0.###"), GUILayout.Width(80));
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GUILayout.EndHorizontal();
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newValue = float.TryParse(str, out float f) ? f : value;
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}
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if (!Mathf.Approximately(newValue, value))
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{
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foreach (var m in mats)
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{
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if (m && m.shader && ShaderHasProperty(m.shader, name))
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m.SetFloat(name, newValue);
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}
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}
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}
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private void DrawVector(string name, List<Material> mats, Material refMat)
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{
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Vector4 v = refMat.GetVector(name);
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float x = FloatFieldRow("X", v.x);
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float y = FloatFieldRow("Y", v.y);
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float z = FloatFieldRow("Z", v.z);
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Vector4 newV = new Vector4(x, y, z, v.w);
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if (newV != v)
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{
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foreach (var m in mats)
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{
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if (m && m.shader && ShaderHasProperty(m.shader, name))
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m.SetVector(name, newV);
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}
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}
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}
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private void DrawColor(string name, List<Material> mats, Material refMat)
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{
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Color c = refMat.GetColor(name);
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float r = SliderRow("R", c.r);
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float g = SliderRow("G", c.g);
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float b = SliderRow("B", c.b);
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float a = SliderRow("A", c.a);
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Color newC = new Color(r, g, b, a);
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if (newC != c)
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{
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foreach (var m in mats)
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{
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if (m && m.shader && ShaderHasProperty(m.shader, name))
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m.SetColor(name, newC);
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}
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}
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}
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private static float FloatFieldRow(string label, float value)
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{
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GUILayout.BeginHorizontal();
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GUILayout.Label(label, GUILayout.Width(20));
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string str = GUILayout.TextField(value.ToString("0.###"), GUILayout.Width(60));
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GUILayout.EndHorizontal();
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return float.TryParse(str, out float f) ? f : value;
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}
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private static float SliderRow(string label, float value)
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{
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GUILayout.BeginHorizontal();
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GUILayout.Label(label, GUILayout.Width(20));
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float newValue = GUILayout.HorizontalSlider(value, 0f, 1f);
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GUILayout.Label(newValue.ToString("0.##"), GUILayout.Width(40));
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GUILayout.EndHorizontal();
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return newValue;
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}
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private static class EditorLike
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{
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public static readonly GUIStyle boldLabel = new GUIStyle(GUI.skin.label) { fontStyle = FontStyle.Bold };
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}
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}
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}
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