1 files changed, 169 insertions, 0 deletions
diff --git a/Assets/Scripts/Editor/InspectorUtility.cs b/Assets/Scripts/Editor/InspectorUtility.cs
new file mode 100644
index 00000000..5c1e6e05
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+++ b/Assets/Scripts/Editor/InspectorUtility.cs
@@ -0,0 +1,169 @@
+using UnityEngine;
+using UnityEditor;
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+/// <summary>
+/// Collection of tools and helpers for drawing inspectors
+/// </summary>
+public class InspectorUtility
+{
+	/// <summary>Put multiple properties on a single inspector line, with
+	/// optional label overrides.  Passing null as a label (or sublabel) override will
+	/// cause the property's displayName to be used as a label.  For no label at all,
+	/// pass GUIContent.none.</summary>
+	/// <param name="rect">Rect in which to draw</param>
+	/// <param name="label">Main label</param>
+	/// <param name="props">Properties to place on the line</param>
+	/// <param name="subLabels">Sublabels for the properties</param>
+	public static void MultiPropertyOnLine(
+		Rect rect,
+		GUIContent label,
+		SerializedProperty[] props, GUIContent[] subLabels)
+	{
+		if (props == null || props.Length == 0)
+			return;
+
+		const int hSpace = 2;
+		int indentLevel = EditorGUI.indentLevel;
+		float labelWidth = EditorGUIUtility.labelWidth;
+
+		float totalSubLabelWidth = 0;
+		int numBoolColumns = 0;
+		List<GUIContent> actualLabels = new List<GUIContent>();
+		for (int i = 0; i < props.Length; ++i)
+		{
+			GUIContent sublabel = new GUIContent(props[i].displayName, props[i].tooltip);
+			if (subLabels != null && subLabels.Length > i && subLabels[i] != null)
+				sublabel = subLabels[i];
+			actualLabels.Add(sublabel);
+			totalSubLabelWidth += GUI.skin.label.CalcSize(sublabel).x;
+			if (i > 0)
+				totalSubLabelWidth += hSpace;
+			// Special handling for toggles, or it looks stupid
+			if (props[i].propertyType == SerializedPropertyType.Boolean)
+			{
+				totalSubLabelWidth += rect.height;
+				++numBoolColumns;
+			}
+		}
+
+		float subFieldWidth = rect.width - labelWidth - totalSubLabelWidth;
+		float numCols = props.Length - numBoolColumns;
+		float colWidth = numCols == 0 ? 0 : subFieldWidth / numCols;
+
+		// Main label.  If no first sublabel, then main label must take on that
+		// role, for mouse dragging value-scrolling support
+		int subfieldStartIndex = 0;
+		if (label == null)
+			label = new GUIContent(props[0].displayName, props[0].tooltip);
+		if (actualLabels[0] != GUIContent.none)
+			rect = EditorGUI.PrefixLabel(rect, label);
+		else
+		{
+			rect.width = labelWidth + colWidth;
+			EditorGUI.PropertyField(rect, props[0], label);
+			rect.x += rect.width + hSpace;
+			subfieldStartIndex = 1;
+		}
+
+		for (int i = subfieldStartIndex; i < props.Length; ++i)
+		{
+			EditorGUI.indentLevel = 0;
+			EditorGUIUtility.labelWidth = GUI.skin.label.CalcSize(actualLabels[i]).x;
+			if (props[i].propertyType == SerializedPropertyType.Boolean)
+			{
+				rect.width = EditorGUIUtility.labelWidth + rect.height;
+				props[i].boolValue = EditorGUI.ToggleLeft(rect, actualLabels[i], props[i].boolValue);
+			}
+			else
+			{
+				rect.width = EditorGUIUtility.labelWidth + colWidth;
+				EditorGUI.PropertyField(rect, props[i], actualLabels[i]);
+			}
+			rect.x += rect.width + hSpace;
+		}
+
+		EditorGUIUtility.labelWidth = labelWidth;
+		EditorGUI.indentLevel = indentLevel;
+	}
+
+	/// <summary>
+	/// Normalize a curve so that each of X and Y axes ranges from 0 to 1
+	/// </summary>
+	/// <param name="curve">Curve to normalize</param>
+	/// <returns>The normalized curve</returns>
+	public static AnimationCurve NormalizeCurve(AnimationCurve curve)
+	{
+		Keyframe[] keys = curve.keys;
+		if (keys.Length > 0)
+		{
+			float minTime = keys[0].time;
+			float maxTime = minTime;
+			float minVal = keys[0].value;
+			float maxVal = minVal;
+			for (int i = 0; i < keys.Length; ++i)
+			{
+				minTime = Mathf.Min(minTime, keys[i].time);
+				maxTime = Mathf.Max(maxTime, keys[i].time);
+				minVal = Mathf.Min(minVal, keys[i].value);
+				maxVal = Mathf.Max(maxVal, keys[i].value);
+			}
+			float range = maxTime - minTime;
+			float timeScale = range < 0.0001f ? 1 : 1 / range;
+			range = maxVal - minVal;
+			float valScale = range < 1 ? 1 : 1 / range;
+			float valOffset = 0;
+			if (range < 1)
+			{
+				if (minVal > 0 && minVal + range <= 1)
+					valOffset = minVal;
+				else
+					valOffset = 1 - range;
+			}
+			for (int i = 0; i < keys.Length; ++i)
+			{
+				keys[i].time = (keys[i].time - minTime) * timeScale;
+				keys[i].value = ((keys[i].value - minVal) * valScale) + valOffset;
+			}
+			curve.keys = keys;
+		}
+		return curve;
+	}
+
+	/// <summary>
+	/// Remove the "Cinemachine" prefix, then call the standard Unity Nicify.
+	/// </summary>
+	/// <param name="name">The name to nicify</param>
+	/// <returns>The nicified name</returns>
+	public static string NicifyClassName(string name)
+	{
+		if (name.StartsWith("Cinemachine"))
+			name = name.Substring(11); // Trim the prefix
+		return ObjectNames.NicifyVariableName(name);
+	}
+
+	// Temporarily here
+	/// <summary>
+	/// Create a game object.  Uses ObjectFactory if the Unity version is sufficient.
+	/// </summary>
+	/// <param name="name">Name to give the object</param>
+	/// <param name="types">Optional components to add</param>
+	/// <returns></returns>
+	public static GameObject CreateGameObject(string name, params Type[] types)
+	{
+		return ObjectFactory.CreateGameObject(name, types);
+	}
+
+	/// <summary>
+	/// Force a repaint of the Game View
+	/// </summary>
+	/// <param name="unused">Like it says</param>
+	public static void RepaintGameView(UnityEngine.Object unused = null)
+	{
+		EditorApplication.QueuePlayerLoopUpdate();
+		UnityEditorInternal.InternalEditorUtility.RepaintAllViews();
+	}
+
+}