Compress baked PNGs and tighten XPbr shadows with URP quality tweaks.

Add png_compress to the model pipeline and update TownSquare lighting plus MaleExplorer/plaza textures.

Co-authored-by: Cursor <cursoragent@cursor.com>

AIClient/AgentScripts/BuildTownSquare.cs

@@ -310,8 +310,9 @@ public static class BuildTownSquare
         var light = lightGo.AddComponent<Light>();
         light.type = LightType.Directional;
         light.color = new Color(1f, 0.96f, 0.88f);
-        light.intensity = 1.05f;
+        light.intensity = 1.15f;
         light.shadows = LightShadows.Soft;
+        light.shadowStrength = 1f;
         lightGo.transform.rotation = Quaternion.Euler(50f, -30f, 0f);
 
         var camGo = new GameObject("Main Camera");
@@ -330,9 +331,9 @@ public static class BuildTownSquare
         PrefabUtility.InstantiatePrefab(plaza);
 
         RenderSettings.ambientMode = AmbientMode.Trilight;
-        RenderSettings.ambientSkyColor = new Color(0.55f, 0.7f, 0.85f);
-        RenderSettings.ambientEquatorColor = new Color(0.5f, 0.52f, 0.48f);
-        RenderSettings.ambientGroundColor = new Color(0.35f, 0.32f, 0.28f);
+        RenderSettings.ambientSkyColor = new Color(0.32f, 0.40f, 0.50f);
+        RenderSettings.ambientEquatorColor = new Color(0.24f, 0.26f, 0.24f);
+        RenderSettings.ambientGroundColor = new Color(0.16f, 0.15f, 0.13f);
 
         EditorSceneManager.SaveScene(scene, ScenePath);
         return ScenePath;

AIClient/Assets/Bundles/Scenes/Town/TownSquare/TownSquare.unity

@@ -20,9 +20,9 @@ RenderSettings:
   m_FogDensity: 0.01
   m_LinearFogStart: 0
   m_LinearFogEnd: 300
-  m_AmbientSkyColor: {r: 0.55, g: 0.7, b: 0.85, a: 1}
-  m_AmbientEquatorColor: {r: 0.5, g: 0.52, b: 0.48, a: 1}
-  m_AmbientGroundColor: {r: 0.35, g: 0.32, b: 0.28, a: 1}
+  m_AmbientSkyColor: {r: 0.32, g: 0.4, b: 0.5, a: 1}
+  m_AmbientEquatorColor: {r: 0.24, g: 0.26, b: 0.24, a: 1}
+  m_AmbientGroundColor: {r: 0.16, g: 0.15, b: 0.13, a: 1}
   m_AmbientIntensity: 1
   m_AmbientMode: 1
   m_SubtractiveShadowColor: {r: 0.42, g: 0.478, b: 0.627, a: 1}
@@ -281,6 +281,7 @@ GameObject:
   m_Component:
   - component: {fileID: 2073245442}
   - component: {fileID: 2073245441}
+  - component: {fileID: 2073245443}
   m_Layer: 0
   m_Name: Directional Light
   m_TagString: Untagged
@@ -300,7 +301,7 @@ Light:
   m_Type: 1
   m_Shape: 0
   m_Color: {r: 1, g: 0.96, b: 0.88, a: 1}
-  m_Intensity: 1.05
+  m_Intensity: 1.15
   m_Range: 10
   m_SpotAngle: 30
   m_InnerSpotAngle: 21.80208
@@ -365,6 +366,29 @@ Transform:
   m_Children: []
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+--- !u!114 &2073245443
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 2073245440}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 474bcb49853aa07438625e644c072ee6, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Version: 3
+  m_UsePipelineSettings: 1
+  m_AdditionalLightsShadowResolutionTier: 2
+  m_LightLayerMask: 1
+  m_RenderingLayers: 1
+  m_CustomShadowLayers: 0
+  m_ShadowLayerMask: 1
+  m_ShadowRenderingLayers: 1
+  m_LightCookieSize: {x: 1, y: 1}
+  m_LightCookieOffset: {x: 0, y: 0}
+  m_SoftShadowQuality: 0
 --- !u!1660057539 &9223372036854775807
 SceneRoots:
   m_ObjectHideFlags: 0

AIClient/Assets/Bundles/Shaders/XShader/XPbr.shader

@@ -13,6 +13,10 @@ Shader "Test/XPbr"
 		_Metallic("Metallic", Range(0.0, 1.0)) = 0.8
 		_Roughness("Roughness", Range(0.0, 1.0)) = 0.6
 		_AO("AO", Range(0.0, 1.0)) = 1.0
+
+		[HideInInspector][NoScaleOffset]unity_Lightmaps("unity_Lightmaps", 2DArray) = "" {}
+		[HideInInspector][NoScaleOffset]unity_LightmapsInd("unity_LightmapsInd", 2DArray) = "" {}
+		[HideInInspector][NoScaleOffset]unity_ShadowMasks("unity_ShadowMasks", 2DArray) = "" {}
 	}
 
 	SubShader
@@ -33,13 +37,16 @@ Shader "Test/XPbr"
 			#pragma target 2.0
 
 			#pragma multi_compile _ _MAIN_LIGHT_SHADOWS _MAIN_LIGHT_SHADOWS_CASCADE _MAIN_LIGHT_SHADOWS_SCREEN
-            #pragma multi_compile _ _ADDITIONAL_LIGHTS_VERTEX _ADDITIONAL_LIGHTS
+			#pragma multi_compile _ _ADDITIONAL_LIGHTS_VERTEX _ADDITIONAL_LIGHTS
+			#pragma multi_compile_fragment _ _ADDITIONAL_LIGHT_SHADOWS
+			#pragma multi_compile_fragment _ _SHADOWS_SOFT _SHADOWS_SOFT_LOW _SHADOWS_SOFT_MEDIUM _SHADOWS_SOFT_HIGH
+
+			#pragma multi_compile _ LIGHTMAP_SHADOW_MIXING
+			#pragma multi_compile _ SHADOWS_SHADOWMASK
+			#pragma multi_compile _ DIRLIGHTMAP_COMBINED
 			#pragma multi_compile _ LIGHTMAP_ON
 			#pragma multi_compile _ DYNAMICLIGHTMAP_ON
 
-			#pragma multi_compile_fragment _ _ADDITIONAL_LIGHT_SHADOWS
-            #pragma multi_compile_fragment _ _SHADOWS_SOFT _SHADOWS_SOFT_LOW _SHADOWS_SOFT_MEDIUM _SHADOWS_SOFT_HIGH
-
 			#pragma shader_feature_local_fragment _ALPHATEST_ON
 
 			#pragma vertex vert
@@ -155,18 +162,13 @@ Shader "Test/XPbr"
 			ColorMask 0
 
 			HLSLPROGRAM
-			// Required to compile gles 2.0 with standard srp library
 			#pragma prefer_hlslcc gles
 			#pragma exclude_renderers d3d11_9x
 			#pragma target 2.0
 
-			// -------------------------------------
-			// Material Keywords
 			#pragma shader_feature_local_fragment _ALPHATEST_ON
-
-			//--------------------------------------
-			// GPU Instancing
 			#pragma multi_compile_instancing
+			#pragma multi_compile_vertex _ _CASTING_PUNCTUAL_LIGHT_SHADOW
 
 			#pragma vertex vert
 			#pragma fragment frag
@@ -175,6 +177,7 @@ Shader "Test/XPbr"
 			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Shadows.hlsl"
 
 			float3 _LightDirection;
+			float3 _LightPosition;
 
 			Varyings vert(Attributes input)
 			{
@@ -185,13 +188,18 @@ Shader "Test/XPbr"
 
 				float3 positionWS = TransformObjectToWorld(input.positionOS.xyz);
 				float3 normalWS = TransformObjectToWorldNormal(input.normalOS);
+			#if defined(_CASTING_PUNCTUAL_LIGHT_SHADOW)
+				float3 lightDirectionWS = normalize(_LightPosition - positionWS);
+			#else
+				float3 lightDirectionWS = _LightDirection;
+			#endif
 
-				float4 positionCS = TransformWorldToHClip(ApplyShadowBias(positionWS, normalWS, _LightDirection));
+				float4 positionCS = TransformWorldToHClip(ApplyShadowBias(positionWS, normalWS, lightDirectionWS));
 
 				#if UNITY_REVERSED_Z
-					positionCS.z = min(positionCS.z, positionCS.w * UNITY_NEAR_CLIP_VALUE);
+					positionCS.z = min(positionCS.z, UNITY_NEAR_CLIP_VALUE);
 				#else
-					positionCS.z = max(positionCS.z, positionCS.w * UNITY_NEAR_CLIP_VALUE);
+					positionCS.z = max(positionCS.z, UNITY_NEAR_CLIP_VALUE);
 				#endif
 
 				output.positionCS = positionCS;
@@ -210,6 +218,136 @@ Shader "Test/XPbr"
 			}
 			ENDHLSL
 		}
+
+		Pass
+		{
+			Name "DepthOnly"
+			Tags{ "LightMode" = "DepthOnly" }
+
+			ZWrite On
+			ColorMask R
+
+			HLSLPROGRAM
+			#pragma prefer_hlslcc gles
+			#pragma exclude_renderers d3d11_9x
+			#pragma target 2.0
+
+			#pragma shader_feature_local_fragment _ALPHATEST_ON
+			#pragma multi_compile_instancing
+
+			#pragma vertex vert
+			#pragma fragment frag
+
+			#include "XPbr_Base.hlsl"
+
+			Varyings vert(Attributes input)
+			{
+				Varyings output = (Varyings)0;
+				UNITY_SETUP_INSTANCE_ID(input);
+				UNITY_TRANSFER_INSTANCE_ID(input, output);
+				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(output);
+
+				output.positionCS = TransformObjectToHClip(input.positionOS.xyz);
+				output.uv = TRANSFORM_TEX(input.texcoord, _MainTex);
+				return output;
+			}
+
+			half frag(Varyings input) : SV_TARGET
+			{
+			#if defined(_ALPHATEST_ON)
+				half alpha = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, input.uv).a;
+				clip(alpha - _Cutoff);
+			#endif
+				return input.positionCS.z;
+			}
+			ENDHLSL
+		}
+
+		Pass
+		{
+			Name "Meta"
+			Tags{ "LightMode" = "Meta" }
+
+			Cull Off
+
+			HLSLPROGRAM
+			#pragma target 2.0
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma shader_feature_local_fragment _ALPHATEST_ON
+			#pragma shader_feature EDITOR_VISUALIZATION
+
+			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+			#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/MetaInput.hlsl"
+
+			CBUFFER_START(UnityPerMaterial)
+			float4	_MainTex_ST;
+			half4	_BaseColor;
+			half	_Cutoff;
+			half	_Metallic;
+			half	_Roughness;
+			half	_AO;
+			CBUFFER_END
+			TEXTURE2D(_MainTex);    SAMPLER(sampler_MainTex);
+			TEXTURE2D(_MixTex);     SAMPLER(sampler_MixTex);
+
+			struct MetaAttributes
+			{
+				float4 positionOS   : POSITION;
+				float3 normalOS     : NORMAL;
+				float2 uv0          : TEXCOORD0;
+				float2 uv1          : TEXCOORD1;
+				float2 uv2          : TEXCOORD2;
+				UNITY_VERTEX_INPUT_INSTANCE_ID
+			};
+
+			struct MetaVaryings
+			{
+				float4 positionCS   : SV_POSITION;
+				float2 uv           : TEXCOORD0;
+			#ifdef EDITOR_VISUALIZATION
+				float2 VizUV        : TEXCOORD1;
+				float4 LightCoord   : TEXCOORD2;
+			#endif
+			};
+
+			MetaVaryings vert(MetaAttributes input)
+			{
+				MetaVaryings output = (MetaVaryings)0;
+				output.positionCS = UnityMetaVertexPosition(input.positionOS.xyz, input.uv1, input.uv2);
+				output.uv = TRANSFORM_TEX(input.uv0, _MainTex);
+			#ifdef EDITOR_VISUALIZATION
+				UnityEditorVizData(input.positionOS.xyz, input.uv0, input.uv1, input.uv2, output.VizUV, output.LightCoord);
+			#endif
+				return output;
+			}
+
+			half4 frag(MetaVaryings input) : SV_Target
+			{
+				half4 albedoAlpha = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, input.uv);
+			#if defined(_ALPHATEST_ON)
+				clip(albedoAlpha.a - _Cutoff);
+			#endif
+				half4 mixTex = SAMPLE_TEXTURE2D(_MixTex, sampler_MixTex, input.uv);
+				half3 albedo = albedoAlpha.rgb * _BaseColor.rgb;
+				half metallic = saturate(mixTex.b * _Metallic);
+				half smoothness = 1.0 - saturate(mixTex.a * _Roughness);
+				half alpha = 1.0;
+
+				BRDFData brdfData;
+				InitializeBRDFData(albedo, metallic, half3(0.0, 0.0, 0.0), smoothness, alpha, brdfData);
+
+				MetaInput metaInput;
+				metaInput.Albedo = brdfData.diffuse + brdfData.specular * brdfData.roughness * 0.5;
+				metaInput.Emission = half3(0.0, 0.0, 0.0);
+			#ifdef EDITOR_VISUALIZATION
+				metaInput.VizUV = input.VizUV;
+				metaInput.LightCoord = input.LightCoord;
+			#endif
+				return UnityMetaFragment(metaInput);
+			}
+			ENDHLSL
+		}
 	}
 
 	FallBack Off

AIClient/Assets/Bundles/Shaders/XShader/XPbr_Base.hlsl

@@ -121,11 +121,10 @@ void InitializeInputData(Varyings input, half3 normalTS, out InputData inputData
     inputData.bakedGI = SAMPLE_GI(input.staticLightmapUV, input.vertexSH, inputData.normalWS);
 #else
     inputData.bakedGI = SampleSH(inputData.normalWS);
-#endif
-    // 仅在运行时全局环境光开启后才覆盖（Game.cs 设置）；否则保留场景自身 SH/光照贴图，
-    // 避免编辑器预览比 URP Lit 亮（旧写法无条件覆盖成硬编码的高强度三色环境光）
+    // 仅覆盖动态物体的探针环境光。光照贴图（含烘焙阴影/间接光）必须保留。
     if (_XRuntimeAmbientEnabled > 0.5h)
         inputData.bakedGI = SampleXRuntimeAmbient(inputData.normalWS);
+#endif
 
     inputData.normalizedScreenSpaceUV = GetNormalizedScreenSpaceUV(input.positionCS);
     inputData.shadowMask = SAMPLE_SHADOWMASK(input.staticLightmapUV);

AIClient/Assets/Settings/URP/UniversalRP-1LowQuality.asset

@@ -34,7 +34,7 @@ MonoBehaviour:
   m_LODCrossFadeDitheringType: 1
   m_ShEvalMode: 0
   m_MainLightRenderingMode: 1
-  m_MainLightShadowsSupported: 0
+  m_MainLightShadowsSupported: 1
   m_MainLightShadowmapResolution: 1024
   m_AdditionalLightsRenderingMode: 1
   m_AdditionalLightsPerObjectLimit: 2
@@ -45,7 +45,7 @@ MonoBehaviour:
   m_AdditionalLightsShadowResolutionTierHigh: 1024
   m_ReflectionProbeBlending: 0
   m_ReflectionProbeBoxProjection: 0
-  m_ShadowDistance: 10
+  m_ShadowDistance: 150
   m_ShadowCascadeCount: 1
   m_Cascade2Split: 0.16666667
   m_Cascade3Split: {x: 0.25800002, y: 0.5776}

AIClient/Assets/Settings/URP/UniversalRP-2MediumQuality.asset

@@ -34,8 +34,8 @@ MonoBehaviour:
   m_LODCrossFadeDitheringType: 1
   m_ShEvalMode: 0
   m_MainLightRenderingMode: 1
-  m_MainLightShadowsSupported: 0
-  m_MainLightShadowmapResolution: 512
+  m_MainLightShadowsSupported: 1
+  m_MainLightShadowmapResolution: 1024
   m_AdditionalLightsRenderingMode: 1
   m_AdditionalLightsPerObjectLimit: 4
   m_AdditionalLightShadowsSupported: 0
@@ -45,7 +45,7 @@ MonoBehaviour:
   m_AdditionalLightsShadowResolutionTierHigh: 1024
   m_ReflectionProbeBlending: 0
   m_ReflectionProbeBoxProjection: 0
-  m_ShadowDistance: 15
+  m_ShadowDistance: 150
   m_ShadowCascadeCount: 1
   m_Cascade2Split: 0.16666667
   m_Cascade3Split: {x: 0.25800002, y: 0.5776}

AIClient/Assets/Settings/URP/UniversalRP-3HighQuality.asset

@@ -35,7 +35,7 @@ MonoBehaviour:
   m_ShEvalMode: 0
   m_MainLightRenderingMode: 1
   m_MainLightShadowsSupported: 1
-  m_MainLightShadowmapResolution: 1024
+  m_MainLightShadowmapResolution: 2048
   m_AdditionalLightsRenderingMode: 1
   m_AdditionalLightsPerObjectLimit: 4
   m_AdditionalLightShadowsSupported: 0
@@ -45,7 +45,7 @@ MonoBehaviour:
   m_AdditionalLightsShadowResolutionTierHigh: 1024
   m_ReflectionProbeBlending: 0
   m_ReflectionProbeBoxProjection: 0
-  m_ShadowDistance: 15
+  m_ShadowDistance: 150
   m_ShadowCascadeCount: 2
   m_Cascade2Split: 0.26666668
   m_Cascade3Split: {x: 0.25800002, y: 0.5776}

AIClient/Assets/Settings/URP/UniversalRP-4VeryHighQuality.asset

@@ -45,7 +45,7 @@ MonoBehaviour:
   m_AdditionalLightsShadowResolutionTierHigh: 1024
   m_ReflectionProbeBlending: 0
   m_ReflectionProbeBoxProjection: 0
-  m_ShadowDistance: 30
+  m_ShadowDistance: 150
   m_ShadowCascadeCount: 2
   m_Cascade2Split: 0.2
   m_Cascade3Split: {x: 0.10000001, y: 0.3}