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using UnityEditor;
using UnityEngine;
namespace Pathfinding {
[CustomPropertyDrawer(typeof(GraphMask))]
public class GraphMaskDrawer : PropertyDrawer {
string[] graphLabels = new string[32];
public override void OnGUI (Rect position, SerializedProperty property, GUIContent label) {
// Make sure the AstarPath object is initialized and the graphs are loaded, this is required to be able to show graph names in the mask popup
AstarPath.FindAstarPath();
for (int i = 0; i < graphLabels.Length; i++) {
if (AstarPath.active == null || AstarPath.active.data.graphs == null || i >= AstarPath.active.data.graphs.Length || AstarPath.active.data.graphs[i] == null) graphLabels[i] = "Graph " + i + (i == 31 ? "+" : "");
else {
graphLabels[i] = AstarPath.active.data.graphs[i].name + " (graph " + i + ")";
}
}
EditorGUI.BeginChangeCheck();
EditorGUI.showMixedValue = property.hasMultipleDifferentValues;
var valueProp = property.FindPropertyRelative("value");
int newVal = EditorGUI.MaskField(position, label, valueProp.intValue, graphLabels);
if (EditorGUI.EndChangeCheck()) {
valueProp.intValue = newVal;
}
EditorGUI.showMixedValue = false;
}
}
}
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