File size: 6,695 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | using System.Collections;
using System.Collections.Generic;
using System.IO;
using NUnit.Framework;
using UnityEditor;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.TestTools;
using UnityEngine.UI;
namespace Graphics
{
class MaskTests : IPrebuildSetup
{
GameObject m_PrefabRoot;
const string kPrefabPath = "Assets/Resources/MaskTestsPrefab.prefab";
Mask m_mask;
public void Setup()
{
#if UNITY_EDITOR
var rootGO = new GameObject("rootGo");
GameObject canvasGO = new GameObject("Canvas", typeof(RectTransform), typeof(Canvas));
canvasGO.transform.SetParent(rootGO.transform);
var canvas = canvasGO.GetComponent<Canvas>();
canvas.referencePixelsPerUnit = 100;
var gameObject = new GameObject("Mask", typeof(RectTransform), typeof(Mask), typeof(Image));
gameObject.transform.SetParent(canvasGO.transform);
if (!Directory.Exists("Assets/Resources/"))
Directory.CreateDirectory("Assets/Resources/");
PrefabUtility.SaveAsPrefabAsset(rootGO, kPrefabPath);
GameObject.DestroyImmediate(rootGO);
#endif
}
[SetUp]
public void TestSetup()
{
m_PrefabRoot = Object.Instantiate(Resources.Load("MaskTestsPrefab")) as GameObject;
m_mask = m_PrefabRoot.GetComponentInChildren<Mask>();
}
[TearDown]
public void TearDown()
{
m_mask = null;
Object.DestroyImmediate(m_PrefabRoot);
}
[OneTimeTearDown]
public void OneTimeTearDown()
{
#if UNITY_EDITOR
AssetDatabase.DeleteAsset(kPrefabPath);
#endif
}
[UnityTest]
public IEnumerator GetModifiedMaterialReturnsOriginalMaterialWhenNoGraphicComponentIsAttached()
{
Object.DestroyImmediate(m_mask.gameObject.GetComponent<Image>());
yield return null;
Material material = new Material(Graphic.defaultGraphicMaterial);
Material modifiedMaterial = m_mask.GetModifiedMaterial(material);
Assert.AreEqual(material, modifiedMaterial);
}
private Dictionary<string, GameObject> CreateMaskHierarchy(string suffix, int hierarchyDepth, out GameObject root)
{
var nameToObjectMapping = new Dictionary<string, GameObject>();
root = new GameObject("root", typeof(RectTransform), typeof(Canvas));
nameToObjectMapping["root"] = root;
GameObject current = root;
for (int i = 0; i < hierarchyDepth; i++)
{
string name = suffix + (i + 1);
var gameObject = new GameObject(name, typeof(RectTransform), typeof(Mask), typeof(Image));
gameObject.transform.SetParent(current.transform);
nameToObjectMapping[name] = gameObject;
current = gameObject;
}
return nameToObjectMapping;
}
[Test]
public void GetModifiedMaterialReturnsOriginalMaterialWhenDepthIsEightOrMore()
{
GameObject root;
var objectsMap = CreateMaskHierarchy("subMask", 9, out root);
Mask mask = objectsMap["subMask" + 9].GetComponent<Mask>();
Material material = new Material(Graphic.defaultGraphicMaterial);
Material modifiedMaterial = mask.GetModifiedMaterial(material);
Assert.AreEqual(material, modifiedMaterial);
GameObject.DestroyImmediate(root);
}
[Test]
public void GetModifiedMaterialReturnsDesiredMaterialWithSingleMask()
{
Material material = new Material(Graphic.defaultGraphicMaterial);
Material modifiedMaterial = m_mask.GetModifiedMaterial(material);
Assert.AreNotEqual(material, modifiedMaterial);
Assert.AreEqual(1, modifiedMaterial.GetInt("_Stencil"));
Assert.AreEqual(StencilOp.Replace, (StencilOp)modifiedMaterial.GetInt("_StencilOp"));
Assert.AreEqual(CompareFunction.Always, (CompareFunction)modifiedMaterial.GetInt("_StencilComp"));
Assert.AreEqual(255, modifiedMaterial.GetInt("_StencilReadMask"));
Assert.AreEqual(255, modifiedMaterial.GetInt("_StencilWriteMask"));
Assert.AreEqual(ColorWriteMask.All, (ColorWriteMask)modifiedMaterial.GetInt("_ColorMask"));
Assert.AreEqual(1, modifiedMaterial.GetInt("_UseUIAlphaClip"));
Assert.IsTrue(modifiedMaterial.IsKeywordEnabled("UNITY_UI_ALPHACLIP"));
}
[Test]
public void GetModifiedMaterialReturnsDesiredMaterialWithMultipleMasks()
{
for (int i = 2; i < 8; i++)
{
GameObject root;
var objectsMap = CreateMaskHierarchy("subMask", i, out root);
Mask mask = objectsMap["subMask" + i].GetComponent<Mask>();
int stencilDepth = MaskUtilities.GetStencilDepth(mask.transform, objectsMap["root"].transform);
int desiredStencilBit = 1 << stencilDepth;
Material material = new Material(Graphic.defaultGraphicMaterial);
Material modifiedMaterial = mask.GetModifiedMaterial(material);
int stencil = modifiedMaterial.GetInt("_Stencil");
Assert.AreNotEqual(material, modifiedMaterial);
Assert.AreEqual(desiredStencilBit | (desiredStencilBit - 1), stencil);
Assert.AreEqual(StencilOp.Replace, (StencilOp)modifiedMaterial.GetInt("_StencilOp"));
Assert.AreEqual(CompareFunction.Equal, (CompareFunction)modifiedMaterial.GetInt("_StencilComp"));
Assert.AreEqual(desiredStencilBit - 1, modifiedMaterial.GetInt("_StencilReadMask"));
Assert.AreEqual(desiredStencilBit | (desiredStencilBit - 1), modifiedMaterial.GetInt("_StencilWriteMask"));
Assert.AreEqual(ColorWriteMask.All, (ColorWriteMask)modifiedMaterial.GetInt("_ColorMask"));
Assert.AreEqual(1, modifiedMaterial.GetInt("_UseUIAlphaClip"));
Assert.IsTrue(modifiedMaterial.IsKeywordEnabled("UNITY_UI_ALPHACLIP"));
GameObject.DestroyImmediate(root);
}
}
[Test]
public void GraphicComponentWithMaskIsMarkedAsIsMaskingGraphicWhenEnabled()
{
var graphic = m_PrefabRoot.GetComponentInChildren<Image>();
Assert.AreEqual(true, graphic.isMaskingGraphic);
m_mask.enabled = false;
Assert.AreEqual(false, graphic.isMaskingGraphic);
}
}
}
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