84 lines
3.0 KiB
C#
84 lines
3.0 KiB
C#
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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(AIAction))]
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public class AIActionPropertyInspector : 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
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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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// determines the height of the Action property
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var height = Mathf.Max(LineHeight, EditorGUI.GetPropertyHeight(prop));
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Rect position = rect;
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position.height = height;
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// draws the dropdown
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DrawSelectionDropdown(position, prop);
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// draws the base field
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position.y += height;
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EditorGUI.PropertyField(position, prop);
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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 action associated with the AIBrain this action 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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AIAction thisAction = prop.objectReferenceValue as AIAction;
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AIAction[] actions = (prop.serializedObject.targetObject as AIBrain).GetAttachedActions();
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int selected = 0;
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int i = 1;
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string[] options = new string[actions.Length + 1];
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options[0] = "None";
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foreach (AIAction action in actions)
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{
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string name = string.IsNullOrEmpty(action.Label) ? action.GetType().Name : action.Label;
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options[i] = i.ToString() + " - " + name;
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if (action == thisAction)
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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 : actions[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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/// Returns the height of the full 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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var h = Mathf.Max(LineHeight, EditorGUI.GetPropertyHeight(property));
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float height = h * 2; // 2 lines, one for the dropdown, one for the property field
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return height;
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}
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}
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}
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