Initial commit: AIGame Unity client with URP, HybridCLR, YooAsset and tooling.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
udx
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using System;
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using System.Collections;
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using System.IO;
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using Newtonsoft.Json.Linq;
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using NUnit.Framework;
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using Unity.Pipeline.Editor.Authoring;
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using Unity.Pipeline.Editor.Commands.Capture;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.TestTools;
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namespace Unity.Pipeline.Tests.Editor.Capture
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{
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/// <summary>
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/// Tests for the visual-feedback commands (CLI-199), exercised directly and via PipelineClient.
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/// Render tests are GPU-gated: under batchmode/headless the graphics device is
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/// <see cref="GraphicsDeviceType.Null"/> and the tests self-ignore rather than fail.
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/// </summary>
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class CaptureCommandsTests
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{
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private const string CameraName = "CLI199_Cam";
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private const string SaveFolder = "Assets/CLI199_CaptureTests";
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// PNG file signature: 0x89 'P' 'N' 'G' 0x0D 0x0A 0x1A 0x0A.
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private static readonly byte[] PngSignature = { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A };
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private GameObject m_CameraObject;
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[SetUp]
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public void SetUp()
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{
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m_CameraObject = new GameObject(CameraName);
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m_CameraObject.AddComponent<Camera>();
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}
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[TearDown]
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public void TearDown()
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{
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if (m_CameraObject != null)
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UnityEngine.Object.DestroyImmediate(m_CameraObject);
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if (AssetDatabase.IsValidFolder(SaveFolder))
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AssetDatabase.DeleteAsset(SaveFolder);
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}
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private static string AbsolutePath(string projectRelative) =>
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Path.Combine(ProjectPaths.ProjectRoot, projectRelative);
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private static bool IsHeadless => SystemInfo.graphicsDeviceType == GraphicsDeviceType.Null;
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private static void AssertPngSignature(byte[] bytes)
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{
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Assert.GreaterOrEqual(bytes.Length, PngSignature.Length, "PNG payload too short to contain a signature");
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for (var i = 0; i < PngSignature.Length; i++)
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Assert.AreEqual(PngSignature[i], bytes[i], $"PNG signature mismatch at byte {i}");
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}
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#region Direct
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[Test]
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public void CaptureGameView_NamedCamera_ReturnsPng()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var result = CaptureCommands.CaptureGameView(64, 64, CameraName);
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Assert.IsNotNull(result, "Capture should return a result");
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Assert.IsNotEmpty(result.Base64, "Base64 payload should be non-empty");
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Assert.AreEqual(64, result.Width, "Width should match the requested size");
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Assert.AreEqual(64, result.Height, "Height should match the requested size");
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Assert.AreEqual("png", result.Encoding);
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Assert.AreEqual($"camera:{CameraName}", result.Source);
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Assert.IsNull(result.SavedPath, "No savePath was requested");
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var bytes = Convert.FromBase64String(result.Base64);
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AssertPngSignature(bytes);
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Assert.AreEqual(bytes.Length, result.Bytes, "Reported byte length should match decoded payload");
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}
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[Test]
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public void CaptureSceneView_ReturnsPng()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var sv = SceneView.lastActiveSceneView;
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if (sv == null)
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Assert.Ignore("No Scene View");
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var result = CaptureCommands.CaptureSceneView(64, 64);
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Assert.IsNotNull(result, "Capture should return a result");
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Assert.IsNotEmpty(result.Base64, "Base64 payload should be non-empty");
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Assert.AreEqual("sceneView", result.Source);
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var bytes = Convert.FromBase64String(result.Base64);
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AssertPngSignature(bytes);
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}
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[Test]
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public void CaptureGameView_SavePath_OmitsBase64_AndWritesPng()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var result = CaptureCommands.CaptureGameView(64, 64, CameraName, $"{SaveFolder}/path_only.png");
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Assert.IsNull(result.Base64, "save_path without include_inline_image should omit the base64 payload");
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Assert.IsNotNull(result.SavedPath, "SavedPath should be set");
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var fileBytes = File.ReadAllBytes(AbsolutePath(result.SavedPath));
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AssertPngSignature(fileBytes);
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Assert.AreEqual(fileBytes.Length, result.Bytes, "Reported byte length should match the file");
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}
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[Test]
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public void CaptureGameView_SavePath_IncludeImage_ReturnsFileAndBase64()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var result = CaptureCommands.CaptureGameView(64, 64, CameraName, $"{SaveFolder}/both.png", includeInlineImage: true);
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Assert.IsNotEmpty(result.Base64, "include_inline_image=true should return the base64 payload");
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Assert.IsNotNull(result.SavedPath, "SavedPath should be set");
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AssertPngSignature(Convert.FromBase64String(result.Base64));
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AssertPngSignature(File.ReadAllBytes(AbsolutePath(result.SavedPath)));
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}
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[Test]
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public void CaptureGameView_MaxResolution_ClampsInlineRender()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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// No save_path: the inline image is the only artifact, so the cap applies to the render.
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var result = CaptureCommands.CaptureGameView(128, 64, CameraName, maxResolution: 32);
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Assert.AreEqual(32, result.Width, "Long edge should be clamped to max_resolution");
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Assert.AreEqual(16, result.Height, "Short edge should keep the aspect ratio");
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AssertPngSignature(Convert.FromBase64String(result.Base64));
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}
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[Test]
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public void CaptureGameView_SavePath_MaxResolution_DownscalesInlineOnly()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var result = CaptureCommands.CaptureGameView(128, 64, CameraName, $"{SaveFolder}/full.png",
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includeInlineImage: true, maxResolution: 32);
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Assert.AreEqual(128, result.Width, "The saved file keeps the requested resolution");
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Assert.AreEqual(32, result.InlineWidth, "The inline copy is downscaled to max_resolution");
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Assert.AreEqual(16, result.InlineHeight, "The inline copy keeps the aspect ratio");
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AssertPngSignature(Convert.FromBase64String(result.Base64));
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AssertPngSignature(File.ReadAllBytes(AbsolutePath(result.SavedPath)));
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}
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[Test]
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public void CaptureSceneView_SavePath_OmitsBase64_AndWritesPng()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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var sv = SceneView.lastActiveSceneView;
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if (sv == null)
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Assert.Ignore("No Scene View");
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var result = CaptureCommands.CaptureSceneView(64, 64, $"{SaveFolder}/scene_path_only.png");
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Assert.IsNull(result.Base64, "save_path without include_inline_image should omit the base64 payload");
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Assert.IsNotNull(result.SavedPath, "SavedPath should be set");
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AssertPngSignature(File.ReadAllBytes(AbsolutePath(result.SavedPath)));
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}
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#endregion
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#region Source routing (AUTHAPI-10)
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[Test]
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public void CaptureGameView_ScreenSource_InEditMode_Throws()
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{
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// Overlay/screen capture is a Play-Mode operation; in Edit Mode it must fail with a clear
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// message (this guard runs before the GPU check, so the message is deterministic headless too).
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var ex = Assert.Throws<InvalidOperationException>(
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() => CaptureCommands.CaptureGameView(64, 64, source: "screen"));
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StringAssert.Contains("Play Mode", ex.Message);
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}
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[Test]
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public void CaptureGameView_UnknownSource_Throws()
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{
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var ex = Assert.Throws<ArgumentException>(
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() => CaptureCommands.CaptureGameView(64, 64, source: "bogus"));
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StringAssert.Contains("Unknown source", ex.Message);
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}
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#endregion
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#region ViaClient
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[Test]
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public void CaptureGameView_ViaClient_Succeeds()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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using (var server = new PipelineTestServer())
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{
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var response = server.Execute("capture_game_view", new { width = 64, height = 64, camera = CameraName });
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Assert.IsTrue(response.IsSuccess, $"capture_game_view should succeed: {response.Error}");
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Assert.IsTrue(response.HasValidJson, "Response should have valid JSON");
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Assert.IsTrue(response.JsonResponse.ContainsKey("result"), "Should have result field");
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}
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}
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[Test]
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public void CaptureGameView_ViaClient_SavePath_SerializedResultOmitsBase64Key()
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{
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if (IsHeadless)
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Assert.Ignore("No GPU in batchmode");
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using (var server = new PipelineTestServer())
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{
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var response = server.Execute("capture_game_view",
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new { width = 64, height = 64, camera = CameraName, save_path = $"{SaveFolder}/via_client.png" });
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Assert.IsTrue(response.IsSuccess, $"capture_game_view should succeed: {response.Error}");
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var result = (JObject)response.JsonResponse["result"];
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Assert.IsFalse(result.ContainsKey("base64"),
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"A path-only result must not carry a base64 key on the wire (AUTHAPI-8)");
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Assert.IsNotNull(result["savedPath"]?.ToString(), "savedPath should be present");
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}
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}
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#endregion
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#region Screen capture in Play Mode (AUTHAPI-10)
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// Draws a full-screen two-tone quad via IMGUI. Like a Screen Space - Overlay canvas it
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// composites straight to the screen and never renders through a camera — the case AUTHAPI-10
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// covers — so it lets the test prove overlay content shows up in a screen capture but not a
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// camera capture, without a uGUI dependency.
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//
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// The tones are chosen to catch two capture-path bugs a flat saturated color (the old pure
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// red) is blind to:
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// * MID-GRAYS, because a primary like (255,0,0) is invariant under gamma conversion — 128
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// turns into ~188 when the path double-encodes gamma (the washout Thomas reported), so
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// asserting captured luminance pins the tone round-trip.
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// * TWO DIFFERENT tones (light top, dark bottom), because a uniform screen is invariant
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// under vertical flips — CaptureScreenshotIntoRenderTexture returns GPU-UV-oriented
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// content that must be un-flipped on D3D/Metal/Vulkan, so asserting which half is which
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// pins the orientation.
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private static readonly Color32 OverlayTopGray = new Color32(128, 128, 128, 255);
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private static readonly Color32 OverlayBottomGray = new Color32(64, 64, 64, 255);
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private class FullScreenOverlay : MonoBehaviour
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{
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private Texture2D m_TopTex;
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private Texture2D m_BottomTex;
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private static Texture2D Solid(Color32 c)
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{
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var tex = new Texture2D(1, 1);
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tex.SetPixels32(new[] { c });
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tex.Apply();
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return tex;
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}
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private void OnGUI()
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{
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if (m_TopTex == null)
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{
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m_TopTex = Solid(OverlayTopGray);
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m_BottomTex = Solid(OverlayBottomGray);
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}
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GUI.depth = -1000; // draw on top of any other IMGUI
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var half = Screen.height / 2f;
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GUI.DrawTexture(new Rect(0, 0, Screen.width, half), m_TopTex);
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GUI.DrawTexture(new Rect(0, half, Screen.width, Screen.height - half), m_BottomTex);
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}
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private void OnDestroy()
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{
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if (m_TopTex != null) DestroyImmediate(m_TopTex);
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if (m_BottomTex != null) DestroyImmediate(m_BottomTex);
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}
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}
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[UnityTearDown]
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public IEnumerator ExitPlayModeIfNeeded()
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{
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// A failed assertion inside the play-mode test would otherwise leave the editor playing.
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if (EditorApplication.isPlaying)
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yield return new ExitPlayMode();
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}
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[UnityTest]
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public IEnumerator CaptureGameView_ScreenSource_CapturesOverlayUi()
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{
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// Overlay/screen capture reads the presented game-view backbuffer, which requires a real,
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// rendering game view. In pure headless/batchmode there is none (and WaitForEndOfFrame never
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// fires), so self-ignore early. Edit-Mode + unknown-source guards cover CI regardless.
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if (IsHeadless || Application.isBatchMode)
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{
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Assert.Ignore("Screen capture requires an interactive game view (skipped headless/batchmode).");
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yield break;
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}
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yield return new EnterPlayMode();
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// Tolerate unrelated error logs from whatever project hosts the run (this test only checks pixels).
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LogAssert.ignoreFailingMessages = true;
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// A camera that clears to blue and renders nothing, so a camera capture is overlay-free.
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var camGo = new GameObject("CLI199_ScreenCam");
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var cam = camGo.AddComponent<Camera>();
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cam.clearFlags = CameraClearFlags.SolidColor;
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cam.backgroundColor = Color.blue;
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cam.cullingMask = 0;
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var overlayGo = new GameObject("CLI199_Overlay");
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overlayGo.AddComponent<FullScreenOverlay>();
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// Poll a few frames: the overlay only appears in the capture once the game view has
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// repainted it into the backbuffer (a single frame is racy in the automated harness).
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CaptureResult screen = null;
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var overlayObserved = false;
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var stats = default((float fraction, float topLuma, float bottomLuma));
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for (var frame = 0; frame < 30 && !overlayObserved; frame++)
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{
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yield return new WaitForEndOfFrame();
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screen = CaptureCommands.CaptureGameView(64, 64, source: "screen");
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stats = GrayStats(screen.Base64);
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// The full-screen overlay should dominate the frame with neutral gray of ANY
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// brightness — brightness-agnostic on purpose, so a tone or orientation bug is a
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// failed assert below rather than an "overlay not observed" ignore.
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overlayObserved = stats.fraction > 0.8f;
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}
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// Reliable everywhere the screen path runs: it returns a correctly-sized PNG tagged "screen".
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Assert.IsNotNull(screen, "screen capture should have run");
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Assert.AreEqual("screen", screen.Source);
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Assert.IsNotEmpty(screen.Base64, "screen capture should return an image");
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Assert.AreEqual(64, screen.Width);
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// Pixel-presence needs the environment to actually present the overlay into the backbuffer.
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// Some CI/windowless setups render a blank/stale backbuffer even in Play Mode; treat an
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// unobservable overlay as inconclusive rather than a failure (verified live in the PR).
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if (!overlayObserved)
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{
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UnityEngine.Object.Destroy(overlayGo);
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UnityEngine.Object.Destroy(camGo);
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// ExitPlayModeIfNeeded ([UnityTearDown]) restores edit mode after this ignore.
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Assert.Ignore("Overlay not observable in this environment's game-view capture; screen path still verified.");
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}
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// Tone round-trip: the authored grays must read back near their values. The old AsTexture
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// path double-encoded gamma in Linear projects (128 washed out to ~188). Orientation: the
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// light half must be on top — CaptureScreenshotIntoRenderTexture returns GPU-UV-oriented
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// content that the command must un-flip on D3D/Metal/Vulkan. (AUTHAPI-10 review)
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Assert.That(stats.topLuma, Is.EqualTo((float)OverlayTopGray.r).Within(20f),
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"top half should be the light gray at its authored tone (flip and/or gamma bug otherwise)");
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Assert.That(stats.bottomLuma, Is.EqualTo((float)OverlayBottomGray.r).Within(20f),
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"bottom half should be the dark gray at its authored tone (flip and/or gamma bug otherwise)");
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// Overlay is observable here: prove it shows in a screen capture but NOT a camera capture
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// (the camera clears to solid blue and renders nothing, so it contains no neutral gray).
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var cameraShot = CaptureCommands.CaptureGameView(64, 64, camera: "CLI199_ScreenCam", source: "camera");
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Assert.Less(GrayStats(cameraShot.Base64).fraction, 0.2f, "overlay UI must be absent from a camera capture");
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UnityEngine.Object.Destroy(overlayGo);
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UnityEngine.Object.Destroy(camGo);
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yield return new ExitPlayMode();
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}
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/// <summary>
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/// Decode the PNG and measure its neutral-gray content: the fraction of pixels that are
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/// near-neutral (r≈g≈b, away from black/white clip), plus the mean luminance of the image's
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/// top and bottom halves. Brightness-agnostic so gamma distortion shows up in the luminance
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/// values (not as a hidden overlay), and per-half so a vertical flip swaps them detectably.
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/// </summary>
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private static (float fraction, float topLuma, float bottomLuma) GrayStats(string base64)
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{
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var tex = new Texture2D(2, 2);
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try
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{
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Assert.IsTrue(tex.LoadImage(Convert.FromBase64String(base64)), "capture PNG should decode");
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var width = tex.width;
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var height = tex.height;
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var pixels = tex.GetPixels32();
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var gray = 0;
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long topSum = 0, bottomSum = 0;
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int topCount = 0, bottomCount = 0;
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||||
for (var y = 0; y < height; y++)
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{
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for (var x = 0; x < width; x++)
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{
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var p = pixels[y * width + x];
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if (Mathf.Abs(p.r - p.g) <= 12 && Mathf.Abs(p.g - p.b) <= 12 && p.r >= 40 && p.r <= 240)
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gray++;
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// GetPixels32 row 0 is the image's BOTTOM row.
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var luma = (p.r + p.g + p.b) / 3;
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if (y >= height / 2) { topSum += luma; topCount++; }
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else { bottomSum += luma; bottomCount++; }
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}
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}
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||||
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return (pixels.Length == 0 ? 0f : (float)gray / pixels.Length,
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topCount == 0 ? 0f : (float)topSum / topCount,
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bottomCount == 0 ? 0f : (float)bottomSum / bottomCount);
|
||||
}
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||||
finally
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||||
{
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UnityEngine.Object.DestroyImmediate(tex);
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||||
}
|
||||
}
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||||
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||||
#endregion
|
||||
}
|
||||
}
|
||||
+11
@@ -0,0 +1,11 @@
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||||
fileFormatVersion: 2
|
||||
guid: 7469ce0ae01ac444280398a19366fdfc
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
Reference in New Issue
Block a user