Singularity/Library/PackageCache/com.unity.2d.tilemap.extras.../Editor/Tiles/RuleOverrideTile/PopulateRuleOverrideTileWiz...
2024-05-06 11:45:45 -07:00

110 lines
4.3 KiB
C#

using UnityEngine;
using UnityEngine.Tilemaps;
using System.Linq;
using System.Text.RegularExpressions;
using UnityEngine.Scripting.APIUpdating;
namespace UnityEditor.Tilemaps
{
/// <summary>
/// Wizard for populating RuleOverrideTile from a SpriteSheet
/// </summary>
[MovedFrom(true, "UnityEditor")]
public class PopulateRuleOverideTileWizard : ScriptableWizard
{
[MenuItem("CONTEXT/RuleOverrideTile/Populate From Sprite Sheet")]
static void MenuOption(MenuCommand menuCommand)
{
PopulateRuleOverideTileWizard.CreateWizard(menuCommand.context as RuleOverrideTile);
}
[MenuItem("CONTEXT/RuleOverrideTile/Populate From Sprite Sheet", true)]
static bool MenuOptionValidation(MenuCommand menuCommand)
{
RuleOverrideTile tile = menuCommand.context as RuleOverrideTile;
return tile.m_Tile;
}
/// <summary>
/// The Texture2D containing the Sprites to override with
/// </summary>
public Texture2D m_spriteSet;
private RuleOverrideTile m_tileset;
/// <summary>
/// Creates a wizard for the target RuleOverrideTIle
/// </summary>
/// <param name="target">The RuleOverrideTile to be edited by the wizard</param>
public static void CreateWizard(RuleOverrideTile target) {
PopulateRuleOverideTileWizard wizard = DisplayWizard<PopulateRuleOverideTileWizard>("Populate Override", "Populate");
wizard.m_tileset = target;
}
/// <summary>
/// Creates a new PopulateRuleOverideTileWizard and copies the settings from an existing PopulateRuleOverideTileWizard
/// </summary>
/// <param name="oldWizard">The wizard to copy settings from</param>
public static void CloneWizard(PopulateRuleOverideTileWizard oldWizard) {
PopulateRuleOverideTileWizard wizard = DisplayWizard<PopulateRuleOverideTileWizard>("Populate Override", "Populate");
wizard.m_tileset = oldWizard.m_tileset;
wizard.m_spriteSet = oldWizard.m_spriteSet;
}
private void OnWizardUpdate() {
isValid = m_tileset != null && m_spriteSet != null;
}
private void OnWizardCreate() {
try {
Populate();
}
catch(System.Exception ex) {
EditorUtility.DisplayDialog("Auto-populate failed!", ex.Message, "Ok");
CloneWizard(this);
}
}
/// <summary>
/// Attempts to populate the selected override tile using the chosen sprite.
/// The assumption here is that the sprite set selected by the user has the same
/// naming scheme as the original sprite. That is to say, they should both have the same number
/// of sprites, each sprite ends in an underscore followed by a number, and that they are
/// intended to be equivalent in function.
/// </summary>
private void Populate() {
string spriteSheet = AssetDatabase.GetAssetPath(m_spriteSet);
Sprite[] overrideSprites = AssetDatabase.LoadAllAssetsAtPath(spriteSheet).OfType<Sprite>().ToArray();
bool finished = false;
try {
Undo.RecordObject(m_tileset, "Auto-populate " + m_tileset.name);
foreach(RuleTile.TilingRule rule in m_tileset.m_Tile.m_TilingRules) {
foreach(Sprite originalSprite in rule.m_Sprites) {
string spriteName = originalSprite.name;
string spriteNumber = Regex.Match(spriteName, @"_\d+$").Value;
Sprite matchingOverrideSprite = overrideSprites.First(sprite => sprite.name.EndsWith(spriteNumber));
m_tileset[originalSprite] = matchingOverrideSprite;
}
}
finished = true;
}
catch(System.InvalidOperationException ex) {
throw (new System.ArgumentOutOfRangeException("Sprite sheet mismatch", ex));
}
finally {
// We handle the undo like this in case we end up catching more exceptions.
// We want this to ALWAYS happen unless we complete the population.
if(!finished) {
Undo.PerformUndo();
}
}
}
}
}