295 lines
13 KiB
C#
295 lines
13 KiB
C#
using NUnit.Framework;
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namespace UnityEngine.U2D
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{
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internal class PixelPerfectCameraTests
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{
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internal class PixelPerfectCameraTestComponent : IPixelPerfectCamera
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{
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public int assetsPPU { get; set; }
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public int refResolutionX { get; set; }
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public int refResolutionY { get; set; }
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public bool upscaleRT { get; set; }
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public bool pixelSnapping { get; set; }
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public bool cropFrameX { get; set; }
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public bool cropFrameY { get; set; }
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public bool stretchFill { get; set; }
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}
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internal class CalculateCameraPropertiesResult
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{
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public int zoom;
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public bool useOffscreenRT;
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public int offscreenRTWidth;
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public int offscreenRTHeight;
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public Rect pixelRect;
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public float orthoSize;
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public float unitsPerPixel;
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}
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private static object[] GetCalculateCameraPropertiesTestCases()
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{
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object[] testCaseArray = new object[9];
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for (int i = 0; i < testCaseArray.Length; ++i)
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{
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PixelPerfectCameraTestComponent testComponent = new PixelPerfectCameraTestComponent();
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int screenWidth = 0;
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int screenHeight = 0;
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CalculateCameraPropertiesResult expected = new CalculateCameraPropertiesResult();
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switch (i)
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{
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case 0:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = false;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = true;
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testComponent.cropFrameY = true;
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testComponent.stretchFill = true;
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screenWidth = 800;
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screenHeight = 500;
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expected.zoom = 1;
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expected.useOffscreenRT = true;
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expected.offscreenRTWidth = 400;
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expected.offscreenRTHeight = 300;
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expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 1:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = true;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = true;
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testComponent.cropFrameY = true;
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testComponent.stretchFill = true;
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screenWidth = 1100;
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screenHeight = 900;
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expected.zoom = 2;
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expected.useOffscreenRT = true;
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expected.offscreenRTWidth = 400;
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expected.offscreenRTHeight = 300;
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expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 2:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = true;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = false;
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testComponent.cropFrameY = true;
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testComponent.stretchFill = false;
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screenWidth = 400;
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screenHeight = 250;
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expected.zoom = 1;
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expected.useOffscreenRT = true;
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expected.offscreenRTWidth = 400;
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expected.offscreenRTHeight = 300;
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expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 3:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = true;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = true;
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testComponent.cropFrameY = false;
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testComponent.stretchFill = false;
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screenWidth = 1600;
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screenHeight = 1200;
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expected.zoom = 4;
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expected.useOffscreenRT = true;
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expected.offscreenRTWidth = 400;
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expected.offscreenRTHeight = 300;
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expected.pixelRect = new Rect(0.0f, 0.0f, 400, 300);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 4:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = true;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = false;
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testComponent.cropFrameY = false;
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testComponent.stretchFill = false;
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screenWidth = 1600;
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screenHeight = 1100;
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expected.zoom = 3;
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expected.useOffscreenRT = true;
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expected.offscreenRTWidth = 532;
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expected.offscreenRTHeight = 366;
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expected.pixelRect = new Rect(0.0f, 0.0f, 532, 366);
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expected.orthoSize = 1.83f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 5:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = false;
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testComponent.pixelSnapping = false;
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testComponent.cropFrameX = false;
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testComponent.cropFrameY = false;
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testComponent.stretchFill = true;
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screenWidth = 800;
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screenHeight = 600;
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expected.zoom = 2;
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expected.useOffscreenRT = false;
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expected.offscreenRTWidth = 0;
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expected.offscreenRTHeight = 0;
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expected.pixelRect = Rect.zero;
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.005f;
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break;
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case 6:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = false;
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testComponent.pixelSnapping = false;
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testComponent.cropFrameX = true;
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testComponent.cropFrameY = true;
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testComponent.stretchFill = false;
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screenWidth = 800;
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screenHeight = 700;
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expected.zoom = 2;
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expected.useOffscreenRT = false;
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expected.offscreenRTWidth = 0;
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expected.offscreenRTHeight = 0;
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expected.pixelRect = new Rect(0.0f, 50.0f, 800, 600);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.005f;
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break;
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case 7:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = false;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = false;
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testComponent.cropFrameY = true;
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testComponent.stretchFill = false;
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screenWidth = 900;
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screenHeight = 600;
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expected.zoom = 2;
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expected.useOffscreenRT = false;
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expected.offscreenRTWidth = 0;
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expected.offscreenRTHeight = 0;
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expected.pixelRect = new Rect(0.0f, 0.0f, 900, 600);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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case 8:
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testComponent.assetsPPU = 100;
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testComponent.refResolutionX = 400;
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testComponent.refResolutionY = 300;
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testComponent.upscaleRT = false;
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testComponent.pixelSnapping = true;
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testComponent.cropFrameX = true;
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testComponent.cropFrameY = false;
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testComponent.stretchFill = false;
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screenWidth = 900;
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screenHeight = 600;
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expected.zoom = 2;
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expected.useOffscreenRT = false;
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expected.offscreenRTWidth = 0;
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expected.offscreenRTHeight = 0;
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expected.pixelRect = new Rect(50.0f, 0.0f, 800, 600);
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expected.orthoSize = 1.5f;
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expected.unitsPerPixel = 0.01f;
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break;
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}
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testCaseArray[i] = new object[] { testComponent, screenWidth, screenHeight, expected };
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}
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return testCaseArray;
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}
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[Test, TestCaseSource("GetCalculateCameraPropertiesTestCases")]
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public void CalculateCameraPropertiesProvidesCorrectResultsWithVariousInputs(PixelPerfectCameraTestComponent testComponent, int screenWidth, int screenHeight, CalculateCameraPropertiesResult expected)
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{
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PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(testComponent);
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internals.CalculateCameraProperties(screenWidth, screenHeight);
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Assert.AreEqual(expected.zoom, internals.zoom);
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Assert.AreEqual(expected.useOffscreenRT, internals.useOffscreenRT);
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Assert.AreEqual(expected.offscreenRTWidth, internals.offscreenRTWidth);
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Assert.AreEqual(expected.offscreenRTHeight, internals.offscreenRTHeight);
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Assert.AreEqual(expected.pixelRect, internals.pixelRect);
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Assert.AreEqual(expected.orthoSize, internals.orthoSize);
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Assert.AreEqual(expected.unitsPerPixel, internals.unitsPerPixel);
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}
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[Test]
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public void CalculatePostRenderPixelRectStretchToFitHeightWorks()
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{
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PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(new PixelPerfectCameraTestComponent());
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internals.useStretchFill = true;
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Rect pixelRect = internals.CalculatePostRenderPixelRect(2.0f, 400, 100);
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Rect expected = new Rect(100.0f, 0.0f, 200.0f, 100.0f);
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Assert.AreEqual(expected, pixelRect);
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}
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[Test]
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public void CalculatePostRenderPixelRectStretchToFitWidthWorks()
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{
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PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(new PixelPerfectCameraTestComponent());
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internals.useStretchFill = true;
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Rect pixelRect = internals.CalculatePostRenderPixelRect(2.0f, 200, 200);
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Rect expected = new Rect(0.0f, 50.0f, 200.0f, 100.0f);
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Assert.AreEqual(expected, pixelRect);
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}
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[Test]
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public void CalculatePostRenderPixelRectCenteredWorks()
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{
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PixelPerfectCameraInternal internals = new PixelPerfectCameraInternal(new PixelPerfectCameraTestComponent());
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internals.useStretchFill = false;
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internals.zoom = 2;
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internals.offscreenRTWidth = 400;
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internals.offscreenRTHeight = 300;
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Rect pixelRect = internals.CalculatePostRenderPixelRect(4.0f / 3.0f, 1600, 1200);
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Rect expected = new Rect(400.0f, 300.0f, 800.0f, 600.0f);
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Assert.AreEqual(expected, pixelRect);
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}
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}
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}
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