playtest-unity/playtest/Library/PackageCache/com.unity.textmeshpro@3.0.6/Scripts/Editor/TMP_BaseShaderGUI.cs

623 lines
21 KiB
C#

using UnityEngine;
using UnityEditor;
namespace TMPro.EditorUtilities
{
/// <summary>Base class for TextMesh Pro shader GUIs.</summary>
public abstract class TMP_BaseShaderGUI : ShaderGUI
{
/// <summary>Representation of a #pragma shader_feature.</summary>
/// <description>It is assumed that the first feature option is for no keyword (underscores).</description>
protected class ShaderFeature
{
public string undoLabel;
public GUIContent label;
/// <summary>The keyword labels, for display. Include the no-keyword as the first option.</summary>
public GUIContent[] keywordLabels;
/// <summary>The shader keywords. Exclude the no-keyword option.</summary>
public string[] keywords;
int m_State;
public bool Active
{
get { return m_State >= 0; }
}
public int State
{
get { return m_State; }
}
public void ReadState(Material material)
{
for (int i = 0; i < keywords.Length; i++)
{
if (material.IsKeywordEnabled(keywords[i]))
{
m_State = i;
return;
}
}
m_State = -1;
}
public void SetActive(bool active, Material material)
{
m_State = active ? 0 : -1;
SetStateKeywords(material);
}
public void DoPopup(MaterialEditor editor, Material material)
{
EditorGUI.BeginChangeCheck();
int selection = EditorGUILayout.Popup(label, m_State + 1, keywordLabels);
if (EditorGUI.EndChangeCheck())
{
m_State = selection - 1;
editor.RegisterPropertyChangeUndo(undoLabel);
SetStateKeywords(material);
}
}
void SetStateKeywords(Material material)
{
for (int i = 0; i < keywords.Length; i++)
{
if (i == m_State)
{
material.EnableKeyword(keywords[i]);
}
else
{
material.DisableKeyword(keywords[i]);
}
}
}
}
static GUIContent s_TempLabel = new GUIContent();
protected static bool s_DebugExtended;
static int s_UndoRedoCount, s_LastSeenUndoRedoCount;
static float[][] s_TempFloats =
{
null, new float[1], new float[2], new float[3], new float[4]
};
protected static GUIContent[] s_XywhVectorLabels =
{
new GUIContent("X"),
new GUIContent("Y"),
new GUIContent("W", "Width"),
new GUIContent("H", "Height")
};
protected static GUIContent[] s_LbrtVectorLabels =
{
new GUIContent("L", "Left"),
new GUIContent("B", "Bottom"),
new GUIContent("R", "Right"),
new GUIContent("T", "Top")
};
protected static GUIContent[] s_CullingTypeLabels =
{
new GUIContent("Off"),
new GUIContent("Front"),
new GUIContent("Back")
};
static TMP_BaseShaderGUI()
{
// Keep track of how many undo/redo events happened.
Undo.undoRedoPerformed += () => s_UndoRedoCount += 1;
}
bool m_IsNewGUI = true;
float m_DragAndDropMinY;
protected MaterialEditor m_Editor;
protected Material m_Material;
protected MaterialProperty[] m_Properties;
void PrepareGUI()
{
m_IsNewGUI = false;
ShaderUtilities.GetShaderPropertyIDs();
// New GUI just got constructed. This happens in response to a selection,
// but also after undo/redo events.
if (s_LastSeenUndoRedoCount != s_UndoRedoCount)
{
// There's been at least one undo/redo since the last time this GUI got constructed.
// Maybe the undo/redo was for this material? Assume that is was.
TMPro_EventManager.ON_MATERIAL_PROPERTY_CHANGED(true, m_Material as Material);
}
s_LastSeenUndoRedoCount = s_UndoRedoCount;
}
public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] properties)
{
m_Editor = materialEditor;
m_Material = materialEditor.target as Material;
this.m_Properties = properties;
if (m_IsNewGUI)
{
PrepareGUI();
}
DoDragAndDropBegin();
EditorGUI.BeginChangeCheck();
DoGUI();
if (EditorGUI.EndChangeCheck())
{
TMPro_EventManager.ON_MATERIAL_PROPERTY_CHANGED(true, m_Material);
}
DoDragAndDropEnd();
}
/// <summary>Override this method to create the specific shader GUI.</summary>
protected abstract void DoGUI();
static string[] s_PanelStateLabel = new string[] { "\t- <i>Click to collapse</i> -", "\t- <i>Click to expand</i> -" };
protected bool BeginPanel(string panel, bool expanded)
{
EditorGUI.indentLevel = 0;
EditorGUILayout.BeginVertical(EditorStyles.helpBox);
Rect r = EditorGUI.IndentedRect(GUILayoutUtility.GetRect(20, 18));
r.x += 20;
r.width += 6;
bool enabled = GUI.enabled;
GUI.enabled = true;
expanded = TMP_EditorUtility.EditorToggle(r, expanded, new GUIContent(panel), TMP_UIStyleManager.panelTitle);
r.width -= 30;
EditorGUI.LabelField(r, new GUIContent(expanded ? s_PanelStateLabel[0] : s_PanelStateLabel[1]), TMP_UIStyleManager.rightLabel);
GUI.enabled = enabled;
EditorGUI.indentLevel += 1;
EditorGUI.BeginDisabledGroup(false);
return expanded;
}
protected bool BeginPanel(string panel, ShaderFeature feature, bool expanded, bool readState = true)
{
EditorGUI.indentLevel = 0;
if (readState)
{
feature.ReadState(m_Material);
}
EditorGUI.BeginChangeCheck();
EditorGUILayout.BeginVertical(EditorStyles.helpBox);
GUILayout.BeginHorizontal();
Rect r = EditorGUI.IndentedRect(GUILayoutUtility.GetRect(20, 20, GUILayout.Width(20f)));
bool active = EditorGUI.Toggle(r, feature.Active);
if (EditorGUI.EndChangeCheck())
{
m_Editor.RegisterPropertyChangeUndo(feature.undoLabel);
feature.SetActive(active, m_Material);
}
r = EditorGUI.IndentedRect(GUILayoutUtility.GetRect(20, 18));
r.width += 6;
bool enabled = GUI.enabled;
GUI.enabled = true;
expanded = TMP_EditorUtility.EditorToggle(r, expanded, new GUIContent(panel), TMP_UIStyleManager.panelTitle);
r.width -= 10;
EditorGUI.LabelField(r, new GUIContent(expanded ? s_PanelStateLabel[0] : s_PanelStateLabel[1]), TMP_UIStyleManager.rightLabel);
GUI.enabled = enabled;
GUILayout.EndHorizontal();
EditorGUI.indentLevel += 1;
EditorGUI.BeginDisabledGroup(!active);
return expanded;
}
public void EndPanel()
{
EditorGUI.EndDisabledGroup();
EditorGUI.indentLevel -= 1;
EditorGUILayout.EndVertical();
}
MaterialProperty BeginProperty(string name)
{
MaterialProperty property = FindProperty(name, m_Properties);
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = property.hasMixedValue;
m_Editor.BeginAnimatedCheck(Rect.zero, property);
return property;
}
bool EndProperty()
{
m_Editor.EndAnimatedCheck();
EditorGUI.showMixedValue = false;
return EditorGUI.EndChangeCheck();
}
protected void DoPopup(string name, string label, GUIContent[] options)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
int index = EditorGUILayout.Popup(s_TempLabel, (int)property.floatValue, options);
if (EndProperty())
{
property.floatValue = index;
}
}
protected void DoCubeMap(string name, string label)
{
DoTexture(name, label, typeof(Cubemap));
}
protected void DoTexture2D(string name, string label, bool withTilingOffset = false, string[] speedNames = null)
{
DoTexture(name, label, typeof(Texture2D), withTilingOffset, speedNames);
}
void DoTexture(string name, string label, System.Type type, bool withTilingOffset = false, string[] speedNames = null)
{
float objFieldSize = 60f;
bool smallLayout = EditorGUIUtility.currentViewWidth <= 440f && (withTilingOffset || speedNames != null);
float controlHeight = smallLayout ? objFieldSize * 2 : objFieldSize;
MaterialProperty property = FindProperty(name, m_Properties);
m_Editor.BeginAnimatedCheck(Rect.zero, property);
Rect rect = EditorGUILayout.GetControlRect(true, controlHeight);
float totalWidth = rect.width;
rect.width = EditorGUIUtility.labelWidth + objFieldSize;
rect.height = objFieldSize;
s_TempLabel.text = label;
EditorGUI.BeginChangeCheck();
Object tex = EditorGUI.ObjectField(rect, s_TempLabel, property.textureValue, type, false);
if (EditorGUI.EndChangeCheck())
{
property.textureValue = tex as Texture;
}
float additionalHeight = controlHeight - objFieldSize;
float xOffset = smallLayout ? rect.width - objFieldSize : rect.width;
rect.y += additionalHeight;
rect.x += xOffset;
rect.width = totalWidth - xOffset;
rect.height = EditorGUIUtility.singleLineHeight;
if (withTilingOffset)
{
DoTilingOffset(rect, property);
rect.y += (rect.height + 2f) * 2f;
}
m_Editor.EndAnimatedCheck();
if (speedNames != null)
{
DoUVSpeed(rect, speedNames);
}
}
void DoTilingOffset(Rect rect, MaterialProperty property)
{
float labelWidth = EditorGUIUtility.labelWidth;
int indentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
EditorGUIUtility.labelWidth = Mathf.Min(37f, rect.width * 0.40f);
Vector4 vector = property.textureScaleAndOffset;
bool changed = false;
float[] values = s_TempFloats[2];
s_TempLabel.text = "Tiling";
Rect vectorRect = EditorGUI.PrefixLabel(rect, s_TempLabel);
values[0] = vector.x;
values[1] = vector.y;
EditorGUI.BeginChangeCheck();
EditorGUI.MultiFloatField(vectorRect, s_XywhVectorLabels, values);
if (EditorGUI.EndChangeCheck())
{
vector.x = values[0];
vector.y = values[1];
changed = true;
}
rect.y += rect.height + 2f;
s_TempLabel.text = "Offset";
vectorRect = EditorGUI.PrefixLabel(rect, s_TempLabel);
values[0] = vector.z;
values[1] = vector.w;
EditorGUI.BeginChangeCheck();
EditorGUI.MultiFloatField(vectorRect, s_XywhVectorLabels, values);
if (EditorGUI.EndChangeCheck())
{
vector.z = values[0];
vector.w = values[1];
changed = true;
}
if (changed)
{
property.textureScaleAndOffset = vector;
}
EditorGUIUtility.labelWidth = labelWidth;
EditorGUI.indentLevel = indentLevel;
}
protected void DoUVSpeed(Rect rect, string[] names)
{
float labelWidth = EditorGUIUtility.labelWidth;
int indentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
EditorGUIUtility.labelWidth = Mathf.Min(37f, rect.width * 0.40f);
s_TempLabel.text = "Speed";
rect = EditorGUI.PrefixLabel(rect, s_TempLabel);
EditorGUIUtility.labelWidth = 10f;
rect.width = rect.width * 0.5f - 2f;
if (names.Length == 1)
{
DoFloat2(rect, names[0]);
}
else
{
DoFloat(rect, names[0], "X");
rect.x += rect.width + 4f;
DoFloat(rect, names[1], "Y");
}
EditorGUIUtility.labelWidth = labelWidth;
EditorGUI.indentLevel = indentLevel;
}
protected void DoToggle(string name, string label)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
bool value = EditorGUILayout.Toggle(s_TempLabel, property.floatValue == 1f);
if (EndProperty())
{
property.floatValue = value ? 1f : 0f;
}
}
protected void DoFloat(string name, string label)
{
MaterialProperty property = BeginProperty(name);
Rect rect = EditorGUILayout.GetControlRect();
rect.width = EditorGUIUtility.labelWidth + 55f;
s_TempLabel.text = label;
float value = EditorGUI.FloatField(rect, s_TempLabel, property.floatValue);
if (EndProperty())
{
property.floatValue = value;
}
}
protected void DoColor(string name, string label)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
Color value = EditorGUI.ColorField(EditorGUILayout.GetControlRect(), s_TempLabel, property.colorValue, false, true, true);
if (EndProperty())
{
property.colorValue = value;
}
}
void DoFloat(Rect rect, string name, string label)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
float value = EditorGUI.FloatField(rect, s_TempLabel, property.floatValue);
if (EndProperty())
{
property.floatValue = value;
}
}
void DoFloat2(Rect rect, string name)
{
MaterialProperty property = BeginProperty(name);
float x = EditorGUI.FloatField(rect, "X", property.vectorValue.x);
rect.x += rect.width + 4f;
float y = EditorGUI.FloatField(rect, "Y", property.vectorValue.y);
if (EndProperty())
{
property.vectorValue = new Vector2(x, y);
}
}
protected void DoSlider(string name, string label)
{
MaterialProperty property = BeginProperty(name);
Vector2 range = property.rangeLimits;
s_TempLabel.text = label;
float value = EditorGUI.Slider(EditorGUILayout.GetControlRect(), s_TempLabel, property.floatValue, range.x, range.y);
if (EndProperty())
{
property.floatValue = value;
}
}
protected void DoSlider(string propertyName, string propertyField, string label)
{
MaterialProperty property = BeginProperty(propertyName);
Vector2 range = property.rangeLimits;
s_TempLabel.text = label;
Vector4 value = property.vectorValue;
switch (propertyField)
{
case "X":
value.x = EditorGUI.Slider(EditorGUILayout.GetControlRect(), s_TempLabel, value.x, range.x, range.y);
break;
case "Y":
value.y = EditorGUI.Slider(EditorGUILayout.GetControlRect(), s_TempLabel, value.y, range.x, range.y);
break;
case "Z":
value.z = EditorGUI.Slider(EditorGUILayout.GetControlRect(), s_TempLabel, value.z, range.x, range.y);
break;
case "W":
value.w = EditorGUI.Slider(EditorGUILayout.GetControlRect(), s_TempLabel, value.w, range.x, range.y);
break;
}
if (EndProperty())
{
property.vectorValue = value;
}
}
protected void DoVector2(string name, string label)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
Vector4 value = EditorGUILayout.Vector3Field(s_TempLabel, property.vectorValue);
if (EndProperty())
{
property.vectorValue = value;
}
}
protected void DoVector3(string name, string label)
{
MaterialProperty property = BeginProperty(name);
s_TempLabel.text = label;
Vector4 value = EditorGUILayout.Vector3Field(s_TempLabel, property.vectorValue);
if (EndProperty())
{
property.vectorValue = value;
}
}
protected void DoVector(string name, string label, GUIContent[] subLabels)
{
MaterialProperty property = BeginProperty(name);
Rect rect = EditorGUILayout.GetControlRect();
s_TempLabel.text = label;
rect = EditorGUI.PrefixLabel(rect, s_TempLabel);
Vector4 vector = property.vectorValue;
float[] values = s_TempFloats[subLabels.Length];
for (int i = 0; i < subLabels.Length; i++)
{
values[i] = vector[i];
}
EditorGUI.MultiFloatField(rect, subLabels, values);
if (EndProperty())
{
for (int i = 0; i < subLabels.Length; i++)
{
vector[i] = values[i];
}
property.vectorValue = vector;
}
}
void DoDragAndDropBegin()
{
m_DragAndDropMinY = GUILayoutUtility.GetRect(0f, 0f, GUILayout.ExpandWidth(true)).y;
}
void DoDragAndDropEnd()
{
Rect rect = GUILayoutUtility.GetRect(0f, 0f, GUILayout.ExpandWidth(true));
Event evt = Event.current;
if (evt.type == EventType.DragUpdated)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
evt.Use();
}
else if (
evt.type == EventType.DragPerform &&
Rect.MinMaxRect(rect.xMin, m_DragAndDropMinY, rect.xMax, rect.yMax).Contains(evt.mousePosition)
)
{
DragAndDrop.AcceptDrag();
evt.Use();
Material droppedMaterial = DragAndDrop.objectReferences[0] as Material;
if (droppedMaterial && droppedMaterial != m_Material)
{
PerformDrop(droppedMaterial);
}
}
}
void PerformDrop(Material droppedMaterial)
{
Texture droppedTex = droppedMaterial.GetTexture(ShaderUtilities.ID_MainTex);
if (!droppedTex)
{
return;
}
Texture currentTex = m_Material.GetTexture(ShaderUtilities.ID_MainTex);
TMP_FontAsset requiredFontAsset = null;
if (droppedTex != currentTex)
{
requiredFontAsset = TMP_EditorUtility.FindMatchingFontAsset(droppedMaterial);
if (!requiredFontAsset)
{
return;
}
}
foreach (GameObject o in Selection.gameObjects)
{
if (requiredFontAsset)
{
TMP_Text textComponent = o.GetComponent<TMP_Text>();
if (textComponent)
{
Undo.RecordObject(textComponent, "Font Asset Change");
textComponent.font = requiredFontAsset;
}
}
TMPro_EventManager.ON_DRAG_AND_DROP_MATERIAL_CHANGED(o, m_Material, droppedMaterial);
EditorUtility.SetDirty(o);
}
}
}
}