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64 行
1.8 KiB
64 行
1.8 KiB
using System;
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using UnityEngine;
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using UnityEditor;
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namespace UniVRM10
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{
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/// <summary>
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/// Flag設定したEnumのインスペクター表示を変えるクラス
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/// </summary>
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[CustomPropertyDrawer(typeof(EnumFlagsAttribute))]
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public sealed class EnumFlagsAttributeDrawer : PropertyDrawer
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{
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public override void OnGUI(
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Rect position,
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SerializedProperty prop,
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GUIContent label
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)
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{
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var buttonsIntValue = 0;
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var enumLength = prop.enumNames.Length;
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var labelWidth = EditorGUIUtility.labelWidth;
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var buttonPressed = new bool[enumLength];
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var buttonWidth = (position.width - labelWidth) / enumLength;
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var labelPos = new Rect(
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position.x,
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position.y,
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labelWidth,
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position.height
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);
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EditorGUI.LabelField(labelPos, label);
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EditorGUI.BeginChangeCheck();
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for (int i = 0; i < enumLength; i++)
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{
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buttonPressed[i] = (prop.intValue & (1 << i)) == 1 << i;
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var buttonPos = new Rect(
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position.x + labelWidth + buttonWidth * i,
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position.y,
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buttonWidth,
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position.height
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);
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buttonPressed[i] = GUI.Toggle(
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buttonPos,
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buttonPressed[i],
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prop.enumNames[i],
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"Button"
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);
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if (buttonPressed[i])
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{
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buttonsIntValue += 1 << i;
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}
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}
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if (EditorGUI.EndChangeCheck())
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{
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prop.intValue = buttonsIntValue;
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}
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}
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}
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}
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