Integrate Aetheria reactive state worktree
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Meta Vens
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61 changed files with 3427 additions and 402 deletions
241
Assets/Scripts/Gameplay/AetheriaRenderSplatLayerRenderer.cs
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241
Assets/Scripts/Gameplay/AetheriaRenderSplatLayerRenderer.cs
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using System;
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using System.Collections.Generic;
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using GameCult.Aetheria.State.Verse;
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using Unity.Mathematics;
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using UnityEngine;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.UI;
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public sealed class AetheriaRenderSplatLayerRenderer : MonoBehaviour
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{
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[SerializeField]
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private AetheriaRenderSplatRasterizer rasterizer;
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[SerializeField]
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private AetheriaRenderSplatLayerBinding[] bindings =
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{
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.GravityHeight,
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MaterialTextureProperty = "_DetailTex",
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GlobalTextureName = "_AetheriaGravityHeight"
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},
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.FogTint,
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MaterialTextureProperty = "_DetailTex",
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GlobalTextureName = "_NebulaTint"
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},
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.FogSurfaceHeight,
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GlobalTextureName = "_NebulaSurfaceHeight",
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WidthScale = 0.5f,
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HeightScale = 0.5f
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},
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.FogPatchHeight,
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GlobalTextureName = "_NebulaPatchHeight",
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WidthScale = 0.5f,
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HeightScale = 0.5f
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},
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.FogPatch,
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GlobalTextureName = "_NebulaPatch",
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WidthScale = 0.5f,
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HeightScale = 0.5f
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},
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new AetheriaRenderSplatLayerBinding
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{
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LayerKey = AetheriaRuntimeRenderSplatLayerKeys.Influence,
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MaterialTextureProperty = "_DetailTex",
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GlobalTextureName = "_AetheriaInfluence"
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}
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};
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private readonly Dictionary<string, RenderTexture> _texturesByLayerKey =
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new Dictionary<string, RenderTexture>(StringComparer.Ordinal);
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private void Reset()
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{
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rasterizer = GetComponent<AetheriaRenderSplatRasterizer>();
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}
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public bool TryGetTexture(string layerKey, out RenderTexture texture)
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{
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return _texturesByLayerKey.TryGetValue(layerKey ?? "", out texture);
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}
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public void Render(
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AetheriaRuntimeRenderSplatsViewportDocument document,
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int width,
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int height)
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{
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if (document == null)
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return;
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ResolveRasterizer();
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if (rasterizer == null)
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return;
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var layers = document.Layers ?? Array.Empty<AetheriaRuntimeRenderSplatLayerDefinition>();
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for (var layerIndex = 0; layerIndex < layers.Count; layerIndex++)
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{
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var layer = layers[layerIndex];
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if (layer == null || string.IsNullOrWhiteSpace(layer.LayerKey))
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continue;
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foreach (var binding in bindings ?? Array.Empty<AetheriaRenderSplatLayerBinding>())
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{
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if (binding == null ||
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!binding.Enabled ||
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!string.Equals(binding.LayerKey, layer.LayerKey, StringComparison.Ordinal))
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{
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continue;
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}
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var texture = EnsureTexture(binding, layer, width, height);
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rasterizer.RenderLayerToTarget(
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document,
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texture,
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layerIndex,
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ResolveMaterialPass(layer.BlendMode),
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ResolveClearColor(layer));
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ApplyBinding(binding, texture);
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_texturesByLayerKey[layer.LayerKey] = texture;
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}
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}
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}
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private void ResolveRasterizer()
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{
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if (rasterizer != null)
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return;
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rasterizer = GetComponent<AetheriaRenderSplatRasterizer>();
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if (rasterizer == null)
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rasterizer = gameObject.AddComponent<AetheriaRenderSplatRasterizer>();
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}
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private RenderTexture EnsureTexture(
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AetheriaRenderSplatLayerBinding binding,
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AetheriaRuntimeRenderSplatLayerDefinition layer,
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int width,
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int height)
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{
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var targetWidth = math.max(1, Mathf.RoundToInt(width * Mathf.Max(0.01f, binding.WidthScale)));
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var targetHeight = math.max(1, Mathf.RoundToInt(height * Mathf.Max(0.01f, binding.HeightScale)));
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var format = ResolveGraphicsFormat(binding.GraphicsFormatOverride, layer.GraphicsFormat);
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var existing = binding.TargetTexture;
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if (existing != null &&
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existing.width == targetWidth &&
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existing.height == targetHeight &&
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existing.graphicsFormat == format)
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{
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return existing;
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}
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if (existing != null)
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{
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existing.Release();
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Destroy(existing);
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}
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var descriptor = new RenderTextureDescriptor(targetWidth, targetHeight)
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{
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depthBufferBits = 0,
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graphicsFormat = format,
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msaaSamples = 1,
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sRGB = false,
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useMipMap = binding.UseMipMaps,
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autoGenerateMips = binding.UseMipMaps
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};
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binding.TargetTexture = new RenderTexture(descriptor)
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{
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name = $"Aetheria {layer.LayerKey}",
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filterMode = binding.FilterMode,
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wrapMode = TextureWrapMode.Clamp
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};
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binding.TargetTexture.Create();
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return binding.TargetTexture;
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}
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private static GraphicsFormat ResolveGraphicsFormat(string bindingOverride, string layerFormat)
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{
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var value = string.IsNullOrWhiteSpace(bindingOverride) ? layerFormat : bindingOverride;
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return Enum.TryParse(value, out GraphicsFormat format)
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? format
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: GraphicsFormat.R16_SFloat;
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}
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private static int ResolveMaterialPass(string blendMode)
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{
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switch (blendMode)
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{
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case AetheriaRuntimeRenderSplatBlendModes.Max:
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return 1;
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case AetheriaRuntimeRenderSplatBlendModes.Alpha:
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return 2;
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default:
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return 0;
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}
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}
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private static Color ResolveClearColor(AetheriaRuntimeRenderSplatLayerDefinition layer)
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{
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return new Color(
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(float)layer.ClearR,
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(float)layer.ClearG,
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(float)layer.ClearB,
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(float)layer.ClearA);
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}
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private static void ApplyBinding(AetheriaRenderSplatLayerBinding binding, RenderTexture texture)
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{
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if (binding.Display != null)
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{
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var material = binding.Display.material;
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if (material != null && !string.IsNullOrWhiteSpace(binding.MaterialTextureProperty))
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material.SetTexture(binding.MaterialTextureProperty, texture);
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else
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binding.Display.material.mainTexture = texture;
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}
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if (!string.IsNullOrWhiteSpace(binding.GlobalTextureName))
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Shader.SetGlobalTexture(binding.GlobalTextureName, texture);
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}
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private void OnDisable()
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{
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foreach (var binding in bindings ?? Array.Empty<AetheriaRenderSplatLayerBinding>())
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{
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if (binding?.TargetTexture == null)
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continue;
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binding.TargetTexture.Release();
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Destroy(binding.TargetTexture);
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binding.TargetTexture = null;
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}
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_texturesByLayerKey.Clear();
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}
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}
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[Serializable]
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public sealed class AetheriaRenderSplatLayerBinding
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{
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public bool Enabled = true;
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public string LayerKey = "";
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public Image Display;
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public string MaterialTextureProperty = "_DetailTex";
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public string GlobalTextureName = "";
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public string GraphicsFormatOverride = "";
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public float WidthScale = 1.0f;
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public float HeightScale = 1.0f;
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public bool UseMipMaps;
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public FilterMode FilterMode = FilterMode.Bilinear;
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[NonSerialized]
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public RenderTexture TargetTexture;
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}
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