273 lines
13 KiB
C#
273 lines
13 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using UnityEditor;
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using UnityEngine;
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using static JBooth.MicroVerseCore.Browser.ContentBrowser;
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namespace JBooth.MicroVerseCore.Browser
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{
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/// <summary>
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/// Draw the contents of selected collection. Support dragging into the scene view
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/// </summary>
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public class ContentSelectionGrid
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{
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private ContentBrowser contentBrowser;
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private SceneDragHandler sceneDragHandler;
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private static int cellSize = 96;
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private const int infoWidth = 240;
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private Vector2 contentScrollPosition = Vector2.zero;
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public PresetItem selectedPresetItem = null;
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public ContentSelectionGrid(ContentBrowser contentBrowser)
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{
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this.contentBrowser = contentBrowser;
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}
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public void OnEnable()
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{
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// scene drag handler
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if (sceneDragHandler == null)
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{
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sceneDragHandler = new SceneDragHandler(contentBrowser);
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}
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cellSize = EditorPrefs.GetInt("MicroVerseCBCellSize");
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if (cellSize <= 32)
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cellSize = 96;
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sceneDragHandler.OnEnable();
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}
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public void OnDisable()
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{
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// scene drag handler
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sceneDragHandler.OnDisable();
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sceneDragHandler = null;
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}
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/// <summary>
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/// Get the width of the info / description panel depending on whether the description is visible or not
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/// </summary>
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/// <returns></returns>
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private int GetInfoWidth()
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{
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return contentBrowser.IsDescriptionVisible() ? infoWidth : 0;
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}
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public void Draw(List<PresetItem> presets, Grouping grouping)
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{
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// handle movement of preset items via keyport shortcut
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ContentSelectionGridMovement.OnInspectorGUI( selectedPresetItem);
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int cellWidth = cellSize;
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int cellHeight = cellSize;
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float safetyMargin = cellWidth / 2f; // just some margin to keep the stamp preview almost fully visible
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float verticalScrollbarWidth = 22f;
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float gridWidth = EditorGUIUtility.currentViewWidth - contentBrowser.GetListWidth() - safetyMargin - GetInfoWidth() - verticalScrollbarWidth;
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int columnCount = Mathf.FloorToInt(gridWidth / cellWidth);
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GUILayout.BeginHorizontal();
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{
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GUILayout.BeginVertical("Box");
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{
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contentScrollPosition = EditorGUILayout.BeginScrollView(contentScrollPosition, GUILayout.Width(gridWidth + 30));
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{
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var groups = presets.GroupBy(x => x.collection.packName);
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int groupIndex = -1;
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foreach (var group in groups)
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{
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groupIndex++;
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string groupHeader = group.Key;
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List<PresetItem> presetGroup = new List<PresetItem>();
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presetGroup.AddRange(group);
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if (grouping == Grouping.ContentType)
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{
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if (groupIndex > 0)
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{
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GUILayout.Space(10f);
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}
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EditorGUILayout.LabelField(groupHeader, EditorStyles.miniBoldLabel);
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// separator
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GUILayout.Box(GUIContent.none, GUIStyles.SeparatorStyle, new GUILayoutOption[] { GUILayout.ExpandWidth(true), GUILayout.Height(1) });
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GUILayout.Space(2);
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}
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int gridRows = Mathf.CeilToInt((float)presetGroup.Count / columnCount);
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for (int row = 0; row < gridRows; row++)
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{
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GUILayout.BeginHorizontal();
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{
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for (int column = 0; column < columnCount; column++)
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{
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// get preset; we fill up the row/column grid, so at some point the preset will be null
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int index = column + row * columnCount;
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PresetItem presetItem = index < presetGroup.Count ? presetGroup[index] : null;
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Rect rect = EditorGUILayout.GetControlRect(GUILayout.Width(cellWidth), GUILayout.Height(cellHeight));
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if (presetItem != null)
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{
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var content = presetItem.GetGUIContent();
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Texture image = content.image;
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string label = content.text;
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if (selectedPresetItem != null && presetItem.content == selectedPresetItem.content)
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{
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var outline = rect;
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outline.max += Vector2.one;
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outline.min -= Vector2.one;
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Texture2D texture = EditorGUIUtility.isProSkin ? Texture2D.whiteTexture : Texture2D.blackTexture;
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GUI.DrawTexture(outline, texture, ScaleMode.ScaleToFit, false);
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}
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// check for context click
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if (Event.current.type == EventType.ContextClick)
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{
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Vector2 position = Event.current.mousePosition;
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Rect popupRect = new Rect(position, Vector2.zero); // 2nd parameter is the offset from mouse position
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PopupWindow.Show(popupRect, new ContentItemPopup(contentBrowser, selectedPresetItem));
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Event.current.Use();
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}
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// texture
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GUI.DrawTexture(rect, image != null ? image : Texture2D.blackTexture, ScaleMode.ScaleToFit, false);
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{
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// label
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GUIStyle style = GUIUtil.SelectionElementLabelStyle;
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style.fontSize = (int)(EditorStyles.wordWrappedMiniLabel.fontSize * (Mathf.InverseLerp(32, 128, cellSize) + 0.5f));
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rect.height = style.CalcHeight(new GUIContent(label), rect.width);
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GUI.DrawTexture(rect, GUIUtil.LabelBackgroundTexture, ScaleMode.StretchToFill);
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GUI.Box(rect, label, style);
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}
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if (Event.current.type == EventType.MouseDown && GUILayoutUtility.GetLastRect().Contains(Event.current.mousePosition))
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{
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selectedPresetItem = presetItem;
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contentBrowser.Repaint();
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}
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if (Event.current.type == EventType.MouseDrag && GUILayoutUtility.GetLastRect().Contains(Event.current.mousePosition))
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{
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if (ContentBrowser.placementMode == PlacementMode.Place)
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{
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sceneDragHandler.OnDragStart(presetItem);
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Event.current.Use();
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}
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}
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}
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}
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// stretch, so that the content doesn't move position (flicker) when we resize the editorwindow
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GUILayout.FlexibleSpace();
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}
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GUILayout.EndHorizontal();
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}
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}
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}
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EditorGUILayout.EndScrollView();
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}
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GUILayout.EndVertical();
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if (contentBrowser.IsDescriptionVisible())
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{
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GUILayout.BeginHorizontal("Box", GUILayout.Width(GetInfoWidth() - 20));
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{
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if (selectedPresetItem != null)
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{
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ContentData contentData = selectedPresetItem.content;
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GUILayout.BeginVertical();
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{
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GUILayout.BeginVertical("box");
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{
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var content = selectedPresetItem.GetGUIContent();
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EditorGUILayout.LabelField(content.text, EditorStyles.miniBoldLabel);
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if (!string.IsNullOrEmpty(contentData.description))
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{
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EditorGUILayout.LabelField(contentData.description, EditorStyles.wordWrappedMiniLabel);
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}
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GUILayout.FlexibleSpace();
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}
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GUILayout.EndVertical();
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GUILayout.BeginVertical("box");
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{
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EditorGUILayout.LabelField("Author", EditorStyles.miniBoldLabel);
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EditorGUILayout.LabelField(selectedPresetItem.collection.author, EditorStyles.miniLabel);
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}
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GUILayout.EndVertical();
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}
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GUILayout.EndVertical();
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}
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}
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GUILayout.EndHorizontal();
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}
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}
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GUILayout.EndHorizontal();
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if (contentBrowser.IsHelpBoxVisible())
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{
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GUILayout.BeginVertical("box");
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EditorGUI.BeginChangeCheck();
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if (ContentBrowser.placementMode == PlacementMode.Place)
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{
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField("Keyboard shortcuts:", EditorStyles.miniBoldLabel);
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GUILayout.FlexibleSpace();
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cellSize = EditorGUILayout.IntSlider(cellSize, 32, 128, GUILayout.Width(infoWidth-10));
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EditorGUILayout.EndHorizontal();
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EditorGUILayout.Space(1);
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EditorGUILayout.LabelField("Shift at drag start: Set falloff override to global. For height stamps this scales the stamp to total terrain bounds.\nControl at drag start: For height stamps this positions the stamp at the center of the terrain.", EditorStyles.miniLabel);
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}
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else if (ContentBrowser.placementMode == PlacementMode.PaintSplinePath)
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{
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField("Keyboard shortcuts:", EditorStyles.miniBoldLabel);
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GUILayout.FlexibleSpace();
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cellSize = EditorGUILayout.IntSlider(cellSize, 32, 128, GUILayout.Width(infoWidth - 10));
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EditorGUILayout.EndHorizontal();
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EditorGUILayout.Space(1);
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EditorGUILayout.LabelField("Shift Paint - Stay in this mode at end of stroke", EditorStyles.miniLabel);
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}
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else
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{
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EditorGUILayout.BeginHorizontal();
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EditorGUILayout.LabelField("Keyboard shortcuts:", EditorStyles.miniBoldLabel);
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GUILayout.FlexibleSpace();
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cellSize = EditorGUILayout.IntSlider(cellSize, 32, 128, GUILayout.Width(infoWidth-10));
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EditorGUILayout.EndHorizontal();
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EditorGUILayout.Space(1);
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EditorGUILayout.LabelField("Control Paint - Adds a clear stamp to the operation\nShift Paint - Stay in this mode at end of stroke", EditorStyles.miniLabel);
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}
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if (EditorGUI.EndChangeCheck())
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{
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EditorPrefs.SetInt("MicroVerseCBCellSize", cellSize);
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}
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GUILayout.EndVertical();
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}
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}
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}
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} |