Merge 2d extras (Unity-Technologies#187)

* Merge master

Squashed commit of the following:

commit a95c07a
Author: ChuanXin-Unity <[email protected]>
Date:   Tue Jan 7 11:42:57 2020 +0800

    -Update version to 1.4.0

commit 332240f
Author: ChuanXin-Unity <[email protected]>
Date:   Tue Jan 7 11:30:36 2020 +0800

    -Use WorldToCell comparison when getting GameObjects using PrefabBrush

commit 7eed19e
Merge: e0cd583 4b3ce01
Author: ChuanXin-Unity <[email protected]>
Date:   Tue Jan 7 10:39:49 2020 +0800

    Merge branch 'master' into updates

commit 4b3ce01
Author: Johnson Chu <[email protected]>
Date:   Fri Jan 3 14:47:23 2020 +0800

    [CustomRuleTile] Support HideInInspector, DontOverride attributes (Unity-Technologies#168)

    * [HexagonalRuleTile] Don't override m_FlatTop in RuleOverrideTile

    * [RuleTiles] Make API public

    * [RuleOverrideTile] Remove m_MissingIndex properties

commit e0cd583
Author: ChuanXin-Unity <[email protected]>
Date:   Thu Jan 2 15:20:11 2020 +0800

    -Add preview for HexagonalRuleTileEditor

commit fb16da7
Author: ChuanXin-Unity <[email protected]>
Date:   Thu Jan 2 12:26:27 2020 +0800

    -Add m_AnimationStartFrame which helps to calculate the animation start time for tile for the given Tilemap

* Merge master

* Merge master

* Merge master

Squashed commit of the following:

commit 1f147c7
Author: ChuanXin-Unity <[email protected]>
Date:   Mon Feb 17 11:16:03 2020 +0800

    -Add Third Party Notices.md

* Merge master

* Merge master

Author: ChuanXin-Unity

CHANGELOG.md

@@ -1,83 +1,91 @@
-# Changelog
-All notable changes to this package will be documented in this file.
-
-The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
-
-## [1.4.0] - 2020-01-07
-### Added
-- [RuleTile / HexagonalRuleTile / IsometricRuleTile / RuleOverrideTile] Added Asset Preview for TilingRules
-- [RuleTile] Hidden Rule field
-- [CustomRuleTile] Support custom field of Object type
-- [CustomRuleTile] Support HideInInspector, DontOverride attributes
-- [RuleOverrideTile] Move advanced mode to AdvancedRuleOverrideTile
-- [RuleOverrideTile] Add GameObject overrides
-- [RuleOverrideTile] List height lessen
-- [RuleOverrideTile] Don't override null sprite
-- [RuleOverrideTile] Add static preview
-- [AdvancedRuleOverrideTile] List GUI simplify
-- [RuleOverrideTile / AdvancedRuleOverrideTile] Show unused overrides
-- [RuleOverrideTile / AdvancedRuleOverrideTile] Support multiple inheritance
-- [RuleOverrideTile / AdvancedRuleOverrideTile] Prevent circular reference
-- [AnimatedTile] Added Animation Start Frame which helps to calculate the Animation Start Time for a given Tilemap
-
-### Fixed
-- [RuleTile] Fixed RuleTile InstantiatedGameObject rotation/scale
-- [RuleTile] Fixed override tiles have not update when default properties changed
-- [AdvancedRuleOverrideTile] Fix override rule lost reference when source rule reorder
-- [PrefabBrush] Use WorldToCell comparison when getting GameObjects using PrefabBrush
-
-## [1.3.1] - 2019-11-06
-### Changed
-- [RuleTile] Simplified
-- [RuleTile] Caching all RuleTile neighbor positions for Tilemap to speedup refresh affected tiles
-
-### Fixed
-- [RuleTile] Fix remote positions missing of MirrorXY (#148)
-- [HexagonalRuleTile] Fix ApplyRandomTransform() of HexagonalRuleTile missing MirrorXY case
-- [RuleOverrideTile] Fix RuleOverrideTile does not refresh when add/remove rule
-- [RuleTile] Fix random rotation calculation mistake
-- [RuleTile] Fix cache data will not update when rule change
-
-## [1.3.0] - 2019-11-01
-### Changed
-- [RuleTile] changed from using index to using position.
-- [RuleTile] Additional storage rule position.
-- [RuleTile] Delete DontCare rule.
-- [RuleTile] Rule list increased Extend Neighbor toggle. When selected, it will increase the rule range that can be set.
-- [RuleTile] No longer fixed to checking around 8 rules.
-- [RuleTile] RefreshTile() will refresh affected remote Tiles.
-- [RuleTile] Delete GetMatchingNeighboringTiles(), no longer get nearby Tiles in advance, the performance is affected. (may be changed to cache later)
-- [IsometricRuleTile] Rewrite.
-- [HexagonalRuleTile] Rewrite.
-- [LineBrush] Fix for Tiles disappear after selection and drag with LineBrush
-- [RuleTile] Add MirrorXY Transform Rule
-
-## [1.2.0] - 2019-10-17
-### Changed
-- [PrefabBrush] Erase GameObjects at target position before painting
-- [RuleTileEditor] Made RuleTileEditor and children public
-- [RuleTile] Roll back m_Self to this.
-- [RuleOverrideTile] Remove m_OverrideSelf property.
-- [RuleOverrideTile] Inherit custom properties from custom RuleTile.
-- [RuleOverrideTile] Change m_RuntimeTile to m_InstanceTile.
-
-## [1.1.0] - 2019-08-23
-### Changed
-- Validate Gap and Limit for GroupBrush
-- Fix z iterator for RandomBrush
-- Check randomTileSets on addToRandomTiles
-- Add Anchor to GameObjectBrush and PrefabBrush
-
-## [1.1.0] - 2019-03-22
-### Changed
-- Copy GameObject when copying TilingRule in RuleOverrideTile
-
-## [1.1.0] - 2019-03-08
-### Added
-- Added com.unity.2d.tilemap as a dependency of com.unity.2d.tilemap.extras
-
-### Changed
-- Custom Grid Brushes have been updated to the UnityEditor.Tilemaps namespace
-
-## [1.0.0] - 2019-01-02
-### This is the first release of Tilemap Extras, as a Package
+# Changelog
+All notable changes to this package will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+
+## [1.5.0-preview] - 2020-02-14
+### Added
+- Added CONTRIBUTING.md
+- Updated LICENSE.md
+
+### Fixed
+- [WeightedRandomTile] Fixed WeightedRandomTile messing up Random.seed!
+
+## [1.4.0] - 2020-01-07
+### Added
+- [RuleTile / HexagonalRuleTile / IsometricRuleTile / RuleOverrideTile] Added Asset Preview for TilingRules
+- [RuleTile] Hidden Rule field
+- [CustomRuleTile] Support custom field of Object type
+- [CustomRuleTile] Support HideInInspector, DontOverride attributes
+- [RuleOverrideTile] Move advanced mode to AdvancedRuleOverrideTile
+- [RuleOverrideTile] Add GameObject overrides
+- [RuleOverrideTile] List height lessen
+- [RuleOverrideTile] Don't override null sprite
+- [RuleOverrideTile] Add static preview
+- [AdvancedRuleOverrideTile] List GUI simplify
+- [RuleOverrideTile / AdvancedRuleOverrideTile] Show unused overrides
+- [RuleOverrideTile / AdvancedRuleOverrideTile] Support multiple inheritance
+- [RuleOverrideTile / AdvancedRuleOverrideTile] Prevent circular reference
+- [AnimatedTile] Added Animation Start Frame which helps to calculate the Animation Start Time for a given Tilemap
+
+### Fixed
+- [RuleTile] Fixed RuleTile InstantiatedGameObject rotation/scale
+- [RuleTile] Fixed override tiles have not update when default properties changed
+- [AdvancedRuleOverrideTile] Fix override rule lost reference when source rule reorder
+- [PrefabBrush] Use WorldToCell comparison when getting GameObjects using PrefabBrush
+
+## [1.3.1] - 2019-11-06
+### Changed
+- [RuleTile] Simplified
+- [RuleTile] Caching all RuleTile neighbor positions for Tilemap to speedup refresh affected tiles
+
+### Fixed
+- [RuleTile] Fix remote positions missing of MirrorXY (#148)
+- [HexagonalRuleTile] Fix ApplyRandomTransform() of HexagonalRuleTile missing MirrorXY case
+- [RuleOverrideTile] Fix RuleOverrideTile does not refresh when add/remove rule
+- [RuleTile] Fix random rotation calculation mistake
+- [RuleTile] Fix cache data will not update when rule change
+
+## [1.3.0] - 2019-11-01
+### Changed
+- [RuleTile] changed from using index to using position.
+- [RuleTile] Additional storage rule position.
+- [RuleTile] Delete DontCare rule.
+- [RuleTile] Rule list increased Extend Neighbor toggle. When selected, it will increase the rule range that can be set.
+- [RuleTile] No longer fixed to checking around 8 rules.
+- [RuleTile] RefreshTile() will refresh affected remote Tiles.
+- [RuleTile] Delete GetMatchingNeighboringTiles(), no longer get nearby Tiles in advance, the performance is affected. (may be changed to cache later)
+- [IsometricRuleTile] Rewrite.
+- [HexagonalRuleTile] Rewrite.
+- [LineBrush] Fix for Tiles disappear after selection and drag with LineBrush
+- [RuleTile] Add MirrorXY Transform Rule
+
+## [1.2.0] - 2019-10-17
+### Changed
+- [PrefabBrush] Erase GameObjects at target position before painting
+- [RuleTileEditor] Made RuleTileEditor and children public
+- [RuleTile] Roll back m_Self to this.
+- [RuleOverrideTile] Remove m_OverrideSelf property.
+- [RuleOverrideTile] Inherit custom properties from custom RuleTile.
+- [RuleOverrideTile] Change m_RuntimeTile to m_InstanceTile.
+
+## [1.1.0] - 2019-08-23
+### Changed
+- Validate Gap and Limit for GroupBrush
+- Fix z iterator for RandomBrush
+- Check randomTileSets on addToRandomTiles
+- Add Anchor to GameObjectBrush and PrefabBrush
+
+## [1.1.0] - 2019-03-22
+### Changed
+- Copy GameObject when copying TilingRule in RuleOverrideTile
+
+## [1.1.0] - 2019-03-08
+### Added
+- Added com.unity.2d.tilemap as a dependency of com.unity.2d.tilemap.extras
+
+### Changed
+- Custom Grid Brushes have been updated to the UnityEditor.Tilemaps namespace
+
+## [1.0.0] - 2019-01-02
+### This is the first release of Tilemap Extras, as a Package

Documentation~/Contributors.md

@@ -18,5 +18,6 @@ Thank you to all who have contributed to this repository!
 - ream88
 - Quickz
 - capnslipp
+- TrentSterling
 
 If anybody has been missed, please do let us know!

Editor/Brushes/CoordinateBrush/CoordinateBrush.cs

@@ -7,7 +7,6 @@ namespace UnityEditor.Tilemaps
     /// Use this as an example to create brushes which have extra visualization features when painting onto a Tilemap.
     /// </summary>
     [CustomGridBrush(true, false, false, "Coordinate Brush")]
-    [CreateAssetMenu(fileName = "New Coordinate Brush", menuName = "Brushes/Coordinate Brush")]
     public class CoordinateBrush : GridBrush 
     {
     }

Editor/Brushes/GroupBrush/GroupBrush.cs

@@ -192,20 +192,6 @@ private void PickCell(Vector3Int position, Vector3Int brushPosition, Tilemap til
                 SetColor(brushPosition, tilemap.GetColor(position));
             }
         }
-
-        /// <summary>
-        /// Creates a Group Brush Asset
-        /// </summary>
-        [MenuItem("Assets/Create/Brushes/Group Brush")]
-        public static void CreateBrush()
-        {
-            string path = EditorUtility.SaveFilePanelInProject("Save Group Brush", "New Group Brush", "asset", "Save Group Brush", "Assets");
-
-            if (path == "")
-                return;
-
-            AssetDatabase.CreateAsset(ScriptableObject.CreateInstance<GroupBrush>(), path);
-        }
     }
 
     /// <summary>

Editor/Brushes/LineBrush/LineBrush.cs

@@ -11,7 +11,6 @@ namespace UnityEditor.Tilemaps
     /// Use this as an example to modify brush painting behaviour to making painting quicker with less actions.
     /// </summary>
     [CustomGridBrush(true, false, false, "Line Brush")]
-    [CreateAssetMenu(fileName = "New Line Brush", menuName = "Brushes/Line Brush")]
     public class LineBrush : GridBrush
     {
         /// <summary>