340 lines
14 KiB
C#
340 lines
14 KiB
C#
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namespace Dreamteck.Splines.Editor
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{
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using UnityEngine;
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using UnityEditor;
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using System.Text.RegularExpressions;
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public static class SplineEditorGUI
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{
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public static readonly GUIStyle leftButtonStyle, midButtonStyle, rightButtonStyle, boxStyle;
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private static Color previousContentColor, previousBackgroundColor, highLightBGColor, highlightContentColor;
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public static readonly GUIStyle defaultButton = null;
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public static readonly GUIStyle defaultEditorButton = null;
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public static readonly GUIStyle defaultEditorButtonSelected = null;
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public static readonly GUIStyle dropdownItem = null;
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public static readonly GUIStyle bigButton = null;
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public static readonly GUIStyle bigButtonSelected = null;
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public static readonly GUIStyle labelText = null;
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public static GUIStyle whiteBox
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{
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get
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{
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if (_whiteBox.normal.background == null) _whiteBox.normal.background = white;
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return _whiteBox;
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}
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}
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private static readonly GUIStyle _whiteBox = null;
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public static GUIStyle defaultField
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{
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get
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{
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if (_defaultField.normal.background == null) _defaultField.normal.background = white;
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return _defaultField;
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}
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}
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private static GUIStyle _defaultField = null;
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public static GUIStyle smallField
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{
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get
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{
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if (_smallField.normal.background == null) _smallField.normal.background = white;
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return _smallField;
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}
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}
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private static GUIStyle _smallField = null;
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public static readonly Color inactiveColor = new Color(0.7f, 0.7f, 0.7f, 0.3f);
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public static readonly Color textColor = new Color(0.2f, 0.2f, 0.2f, 1f);
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public static readonly Color activeColor = new Color(1f, 1f, 1f, 1f);
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public static readonly Color blackColor = new Color(0, 0, 0, 0.7f);
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public static readonly Color buttonContentColor = Color.black;
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private static bool[] controlStates = new bool[0];
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private static string[] floatFieldContents = new string[0];
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private static int controlIndex = 0;
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public static float scale = 1f;
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public static Texture2D white
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{
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get
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{
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if (_white == null)
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{
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_white = new Texture2D(1, 1);
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_white.SetPixel(0, 0, Color.white);
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_white.Apply();
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}
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return _white;
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}
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}
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private static Texture2D _white = null;
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public static void Update()
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{
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controlStates = new bool[0];
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floatFieldContents = new string[0];
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}
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public static void Reset()
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{
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controlIndex = 0;
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}
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static SplineEditorGUI()
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{
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midButtonStyle = new GUIStyle(GUI.skin.button);
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midButtonStyle.margin = new RectOffset(0, 0, midButtonStyle.margin.top, midButtonStyle.margin.bottom);
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midButtonStyle.padding = new RectOffset(3, 3, midButtonStyle.padding.top, midButtonStyle.padding.bottom);
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leftButtonStyle = new GUIStyle(midButtonStyle);
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leftButtonStyle.contentOffset = new Vector2(-leftButtonStyle.border.left * 0.5f, 0f);
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rightButtonStyle = new GUIStyle(midButtonStyle);
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rightButtonStyle.contentOffset = new Vector2(rightButtonStyle.border.right * 0.5f, 0f);
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boxStyle = new GUIStyle(GUI.skin.GetStyle("box"));
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boxStyle.normal.background = DreamteckEditorGUI.blankImage;
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boxStyle.margin = new RectOffset(0, 0, 0, 2);
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defaultButton = new GUIStyle(GUI.skin.GetStyle("button"));
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_whiteBox = new GUIStyle(GUI.skin.GetStyle("box"));
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_whiteBox.normal.background = white;
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_defaultField = new GUIStyle(GUI.skin.GetStyle("textfield"));
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_defaultField.normal.background = white;
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_defaultField.normal.textColor = Color.white;
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defaultField.alignment = TextAnchor.MiddleLeft;
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_smallField = new GUIStyle(GUI.skin.GetStyle("textfield"));
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_smallField.normal.background = white;
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_smallField.normal.textColor = Color.white;
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_smallField.alignment = TextAnchor.MiddleLeft;
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_smallField.clipping = TextClipping.Clip;
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labelText = new GUIStyle(GUI.skin.GetStyle("label"));
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labelText.fontStyle = FontStyle.Bold;
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labelText.alignment = TextAnchor.MiddleRight;
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labelText.normal.textColor = Color.white;
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dropdownItem = new GUIStyle(GUI.skin.GetStyle("button"));
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dropdownItem.normal.background = white;
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dropdownItem.normal.textColor = Color.white;
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dropdownItem.alignment = TextAnchor.MiddleLeft;
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bigButton = new GUIStyle(GUI.skin.GetStyle("button"));
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bigButton.fontStyle = FontStyle.Bold;
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bigButton.normal.textColor = buttonContentColor;
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bigButtonSelected = new GUIStyle(GUI.skin.GetStyle("button"));
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bigButtonSelected.fontStyle = FontStyle.Bold;
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buttonContentColor = defaultButton.normal.textColor;
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//If the button text color is too dark, generate a brightened version
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float avg = (buttonContentColor.r + buttonContentColor.g + buttonContentColor.b) / 3f;
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if (avg <= 0.2f) buttonContentColor = new Color(0.2f, 0.2f, 0.2f);
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Rescale();
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}
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public static void SetHighlightColors(Color background, Color content)
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{
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highLightBGColor = background;
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highlightContentColor = content;
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}
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public static bool LeftButton(GUIContent content, bool selected)
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{
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bool clicked = false;
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Rect rect = ButtonBegin(selected, leftButtonStyle);
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if (GUI.Button(new Rect(0, 0, rect.width + leftButtonStyle.border.right, rect.height), content, leftButtonStyle)) clicked = true;
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ButtonEnd();
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return clicked;
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}
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public static bool MidButton(GUIContent content, bool selected)
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{
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bool clicked = false;
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Rect rect = ButtonBegin(selected, midButtonStyle);
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if (GUI.Button(new Rect(-midButtonStyle.border.left, 0, rect.width + midButtonStyle.border.left + midButtonStyle.border.right, rect.height), content, midButtonStyle)) clicked = true;
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ButtonEnd();
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return clicked;
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}
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public static bool RightButton(GUIContent content, bool selected)
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{
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bool clicked = false;
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Rect rect = ButtonBegin(selected, rightButtonStyle);
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if (GUI.Button(new Rect(-rightButtonStyle.border.left, 0, rect.width + rightButtonStyle.border.left, rect.height), content, rightButtonStyle)) clicked = true;
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ButtonEnd();
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return clicked;
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}
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static Rect ButtonBegin(bool selected, GUIStyle style)
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{
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previousContentColor = GUI.contentColor;
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previousBackgroundColor = GUI.backgroundColor;
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GUI.contentColor = style.normal.textColor;
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if (selected)
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{
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GUI.backgroundColor = highLightBGColor;
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GUI.contentColor = highlightContentColor;
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}
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Rect rect = GUILayoutUtility.GetRect(30f, 22f);
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GUI.BeginGroup(rect);
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return rect;
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}
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public static void ButtonEnd()
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{
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GUI.EndGroup();
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GUI.contentColor = previousContentColor;
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GUI.backgroundColor = previousBackgroundColor;
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}
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public static int ButtonRibbon(GUIContent[] contents, float buttonWidth, int highLighted = -1)
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{
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int selected = -1;
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float width = contents.Length * buttonWidth;
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EditorGUILayout.BeginHorizontal(GUILayout.Width(width));
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for (int i = 0; i < contents.Length; i++)
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{
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if (i == 0)
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{
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if (LeftButton(contents[i], highLighted == i)) selected = i;
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}
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else if (i == contents.Length - 1)
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{
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if(RightButton(contents[i], highLighted == i)) selected = i;
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}
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else
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{
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if(MidButton(contents[i], highLighted == i)) selected = i;
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}
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}
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EditorGUILayout.EndHorizontal();
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return selected;
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}
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public static void BeginContainerBox(ref bool open, string name)
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{
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EditorGUILayout.BeginVertical(EditorStyles.helpBox);
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EditorGUI.indentLevel++;
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GUI.color = new Color(1f, 1f, 1f, 0.7f);
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open = Foldout(open, name, true);
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GUI.color = Color.white;
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EditorGUI.indentLevel--;
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EditorGUILayout.Space();
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}
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public static void EndContainerBox()
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{
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EditorGUILayout.EndVertical();
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}
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public static bool Foldout(bool foldout, GUIContent content, bool toggleOnLabelClick)
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{
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Rect position = GUILayoutUtility.GetRect(40f, 40f, 16f, 16f, EditorStyles.foldout);
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return EditorGUI.Foldout(position, foldout, content, toggleOnLabelClick, EditorStyles.foldout);
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}
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public static bool Foldout(bool foldout, string content, bool toggleOnLabelClick)
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{
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return Foldout(foldout, new GUIContent(content), toggleOnLabelClick);
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}
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private static void Rescale()
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{
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defaultField.padding = new RectOffset(Mathf.RoundToInt(5 * scale), Mathf.RoundToInt(5 * scale), Mathf.RoundToInt(5 * scale), Mathf.RoundToInt(5 * scale));
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smallField.padding = new RectOffset(Mathf.RoundToInt(2 * scale), Mathf.RoundToInt(2 * scale), Mathf.RoundToInt(2 * scale), Mathf.RoundToInt(2 * scale));
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dropdownItem.padding = new RectOffset(Mathf.RoundToInt(10 * scale), 0, 0, 0);
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bigButton.padding = new RectOffset(Mathf.RoundToInt(3*scale), Mathf.RoundToInt(3 * scale), Mathf.RoundToInt(3 * scale), Mathf.RoundToInt(3 * scale));
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bigButtonSelected.normal.textColor = new Color(0.95f, 0.95f, 0.95f);
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bigButton.padding = new RectOffset(Mathf.RoundToInt(4 * scale), Mathf.RoundToInt(4 * scale), Mathf.RoundToInt(4 * scale), Mathf.RoundToInt(4 * scale));
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bigButton.fontSize = Mathf.RoundToInt(30 * scale);
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bigButtonSelected.fontSize = Mathf.RoundToInt(30 * scale);
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defaultButton.fontSize = Mathf.RoundToInt(14 * scale);
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dropdownItem.fontSize = Mathf.RoundToInt(12 * scale);
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labelText.fontSize = Mathf.RoundToInt(12 * scale);
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defaultField.fontSize = Mathf.RoundToInt(14 * scale);
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smallField.fontSize = Mathf.RoundToInt(11 * scale);
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}
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public static void SetScale(float s)
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{
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if(s != scale)
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{
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scale = s;
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Rescale();
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} scale = s;
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}
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public static bool EditorLayoutSelectableButton(GUIContent content, bool active = true, bool selected = false, params GUILayoutOption[] options)
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{
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Color prevColor = GUI.color;
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Color prevContentColor = GUI.contentColor;
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Color prevBackgroundColor = GUI.backgroundColor;
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GUIStyle selectedStyle = GUI.skin.button;
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if (!active) GUI.color = inactiveColor;
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else
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{
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GUI.color = activeColor;
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if (selected)
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{
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GUI.backgroundColor = highLightBGColor;
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GUI.contentColor = highlightContentColor;
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selectedStyle = new GUIStyle(selectedStyle);
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selectedStyle.normal.textColor = Color.white;
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selectedStyle.hover.textColor = Color.white;
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selectedStyle.active.textColor = Color.white;
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} else GUI.contentColor = buttonContentColor;
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}
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bool clicked = GUILayout.Button(content, selectedStyle, options);
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GUI.color = prevColor;
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GUI.contentColor = prevContentColor;
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GUI.backgroundColor = prevBackgroundColor;
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return clicked && active;
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}
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private static string CleanStringForFloat(string input)
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{
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if (Regex.Match(input, @"^-?[0-9]*(?:\.[0-9]*)?$").Success)
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return input;
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else
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{
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return "0";
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}
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}
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private static void HandleControlsCount() {
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if (controlIndex >= controlStates.Length)
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{
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bool[] newStates = new bool[controlStates.Length + 1];
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controlStates.CopyTo(newStates, 0);
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controlStates = newStates;
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string[] newContents = new string[controlStates.Length + 1];
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floatFieldContents.CopyTo(newContents, 0);
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floatFieldContents = newContents;
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}
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}
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#if DREAMTECK_SPLINES
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public static double ScreenPointToSplinePercent(SplineComputer computer, Vector2 screenPoint)
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{
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SplinePoint[] points = computer.GetPoints();
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float closestDistance = (screenPoint - HandleUtility.WorldToGUIPoint(points[0].position)).sqrMagnitude;
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double closestPercent = 0.0;
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double add = computer.moveStep;
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if (computer.type == Spline.Type.Linear) add /= 2f;
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int count = 0;
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for (double i = add; i < 1.0; i += add)
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{
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SplineSample result = computer.Evaluate(i);
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Vector2 point = HandleUtility.WorldToGUIPoint(result.position);
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float dist = (point - screenPoint).sqrMagnitude;
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if (dist < closestDistance)
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{
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closestDistance = dist;
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closestPercent = i;
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}
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count++;
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}
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return closestPercent;
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}
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#endif
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}
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}
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