TMP_SpriteGlyphPropertyDrawer.cs
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using UnityEngine;
using UnityEngine.TextCore;
using UnityEditor;
using System.Collections;
namespace TMPro.EditorUtilities
{
[CustomPropertyDrawer(typeof(TMP_SpriteGlyph))]
public class TMP_SpriteGlyphPropertyDrawer : PropertyDrawer
{
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
SerializedProperty prop_GlyphIndex = property.FindPropertyRelative("m_Index");
SerializedProperty prop_GlyphMetrics = property.FindPropertyRelative("m_Metrics");
SerializedProperty prop_GlyphRect = property.FindPropertyRelative("m_GlyphRect");
SerializedProperty prop_Scale = property.FindPropertyRelative("m_Scale");
SerializedProperty prop_AtlasIndex = property.FindPropertyRelative("m_AtlasIndex");
GUIStyle style = new GUIStyle(EditorStyles.label);
style.richText = true;
Rect rect = new Rect(position.x + 70, position.y, position.width, 49);
// Draw GlyphRect
EditorGUI.PropertyField(rect, prop_GlyphRect);
// Draw GlyphMetrics
rect.y += 45;
EditorGUI.PropertyField(rect, prop_GlyphMetrics);
EditorGUIUtility.labelWidth = 40f;
EditorGUI.PropertyField(new Rect(rect.x, rect.y + 65, 75, 18), prop_Scale, new GUIContent("Scale:"));
EditorGUIUtility.labelWidth = 74f;
EditorGUI.PropertyField(new Rect(rect.x + 85, rect.y + 65, 95, 18), prop_AtlasIndex, new GUIContent("Atlas Index:"));
DrawGlyph(position, property);
int.TryParse(property.displayName.Split(' ')[1], out int spriteCharacterIndex);
float labelWidthIndex = GUI.skin.label.CalcSize(new GUIContent("#" + spriteCharacterIndex)).x;
EditorGUI.LabelField(new Rect(position.x, position.y + 5, 64f, 18f), new GUIContent("#" + spriteCharacterIndex), style);
float labelWidthID = GUI.skin.label.CalcSize(new GUIContent("ID: " + prop_GlyphIndex.intValue)).x;
EditorGUI.LabelField(new Rect(position.x + (64 - labelWidthID) / 2, position.y + 110, 64f, 18f), new GUIContent("ID: <color=#FFFF80>" + prop_GlyphIndex.intValue + "</color>"), style);
}
void DrawGlyph(Rect position, SerializedProperty property)
{
// Get a reference to the sprite texture
Texture tex = (property.serializedObject.targetObject as TMP_SpriteAsset).spriteSheet;
// Return if we don't have a texture assigned to the sprite asset.
if (tex == null)
{
Debug.LogWarning("Please assign a valid Sprite Atlas texture to the [" + property.serializedObject.targetObject.name + "] Sprite Asset.", property.serializedObject.targetObject);
return;
}
Vector2 spriteTexPosition = new Vector2(position.x, position.y);
Vector2 spriteSize = new Vector2(65, 65);
SerializedProperty prop_GlyphRect = property.FindPropertyRelative("m_GlyphRect");
int spriteImageX = prop_GlyphRect.FindPropertyRelative("m_X").intValue;
int spriteImageY = prop_GlyphRect.FindPropertyRelative("m_Y").intValue;
int spriteImageWidth = prop_GlyphRect.FindPropertyRelative("m_Width").intValue;
int spriteImageHeight = prop_GlyphRect.FindPropertyRelative("m_Height").intValue;
if (spriteImageWidth >= spriteImageHeight)
{
spriteSize.y = spriteImageHeight * spriteSize.x / spriteImageWidth;
spriteTexPosition.y += (spriteSize.x - spriteSize.y) / 2;
}
else
{
spriteSize.x = spriteImageWidth * spriteSize.y / spriteImageHeight;
spriteTexPosition.x += (spriteSize.y - spriteSize.x) / 2;
}
// Compute the normalized texture coordinates
Rect texCoords = new Rect((float)spriteImageX / tex.width, (float)spriteImageY / tex.height, (float)spriteImageWidth / tex.width, (float)spriteImageHeight / tex.height);
GUI.DrawTextureWithTexCoords(new Rect(spriteTexPosition.x + 5, spriteTexPosition.y + 32f, spriteSize.x, spriteSize.y), tex, texCoords, true);
}
public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
return 130f;
}
}
}