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126 lines
3.5 KiB
C#
126 lines
3.5 KiB
C#
using UnityEngine;
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using UnityEditor;
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using System.Collections;
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namespace MoreMountains.Tools
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{
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[CustomPropertyDrawer(typeof(AITransition))]
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public class AITransitionPropertyInspector : PropertyDrawer
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{
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const float LineHeight = 16f;
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#if UNITY_EDITOR
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/// <summary>
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/// Draws a Transition inspector, a transition is one or more action(s), one or more decision(s) and associated true/false states
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/// </summary>
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/// <param name="rect"></param>
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/// <param name="prop"></param>
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/// <param name="label"></param>
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public override void OnGUI(Rect rect, SerializedProperty prop, GUIContent label)
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{
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Rect position = rect;
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foreach (SerializedProperty a in prop)
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{
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var height = Mathf.Max(LineHeight, EditorGUI.GetPropertyHeight(a));
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position.height = height;
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if(a.name == "Decision")
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{
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// draw the decision dropdown
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DrawSelectionDropdown(position, prop);
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// draw the base decision field
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position.y += height;
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EditorGUI.PropertyField(position, a, new GUIContent(a.name));
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position.y += height;
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/*var @object = a.objectReferenceValue;
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AIDecision @typedObject = @object as AIDecision;
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if (@typedObject != null && !string.IsNullOrEmpty(@typedObject.Label))
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{
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EditorGUI.LabelField(position, "Label", @typedObject.Label);
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position.y += height;
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}
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else
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{
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EditorGUIUtility.GetControlID(FocusType.Passive);
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}*/
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}
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else
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{
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EditorGUI.PropertyField(position, a, new GUIContent(a.name));
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position.y += height;
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}
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}
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}
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#endif
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/// <summary>
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/// Draws a selector letting the user pick any decision associated with the AIBrain this transition is on
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/// </summary>
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/// <param name="position"></param>
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/// <param name="prop"></param>
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protected virtual void DrawSelectionDropdown(Rect position, SerializedProperty prop)
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{
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AIDecision thisDecision = prop.objectReferenceValue as AIDecision;
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AIDecision[] decisions = (prop.serializedObject.targetObject as AIBrain).GetAttachedDecisions();
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int selected = 0;
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int i = 1;
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string[] options = new string[decisions.Length + 1];
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options[0] = "None";
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foreach (AIDecision decision in decisions)
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{
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string name = string.IsNullOrEmpty(decision.Label) ? decision.GetType().Name : decision.Label;
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options[i] = i.ToString() + " - " + name;
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if (decision == thisDecision)
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{
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selected = i;
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}
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i++;
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}
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EditorGUI.BeginChangeCheck();
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selected = EditorGUI.Popup(position, selected, options);
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if (EditorGUI.EndChangeCheck())
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{
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prop.objectReferenceValue = (selected == 0) ? null : decisions[selected - 1];
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prop.serializedObject.ApplyModifiedProperties();
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EditorUtility.SetDirty(prop.serializedObject.targetObject);
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}
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}
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/// <summary>
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/// Determines the height of the transition property
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/// </summary>
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/// <param name="property"></param>
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/// <param name="label"></param>
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/// <returns></returns>
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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float height = 0;
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foreach (SerializedProperty a in property)
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{
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var h = Mathf.Max(LineHeight, EditorGUI.GetPropertyHeight(a));
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if(a.name == "Decision")
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{
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height += h * 2;
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/*var @object = a.objectReferenceValue;
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AIDecision @typedObject = @object as AIDecision;
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if (@typedObject != null && !string.IsNullOrEmpty(@typedObject.Label))
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{
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height += h;
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}*/
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}
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else
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{
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height += h;
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}
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}
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return height;
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}
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}
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} |