finalized dirt

added base for liquids

Scripts/Elements/Solid.cs

@@ -1,5 +1,36 @@
-namespace FOU.Scripts.Elements;
+using Godot;
+
+namespace FOU.Scripts.Elements;
 
 public abstract class Solid : Element {
     protected Solid(int x, int y, ref Level level) : base(x, y, ref level) { }
+
+    protected Vector2I Check(Element source, Vector2I maxDirection) {
+        if (GD.Randi() % 2 != 0)
+            maxDirection.X *= -1;
+
+        Vector2I freePos = Vector2I.Zero;
+        for (int y = maxDirection.Y; y > 0; y--) { // height
+            if (source.Position.Y + y >= _level.SizeY) return freePos; // bounds check
+
+            if (_level.Get(source.Position.X, source.Position.Y + y).GetType() == typeof(Element)) {
+                freePos = new Vector2I(source.Position.X, source.Position.Y + y);
+            } else {
+                freePos = Vector2I.Zero;
+            }
+
+            for (int x = -maxDirection.X; x <= maxDirection.X; x++) { // width
+                if (freePos != Vector2I.Zero) break;
+
+                if (source.Position.X + x >= _level.SizeX || source.Position.X + x < 0) return freePos; // bounds check
+
+                if (_level.Get(source.Position.X + x, source.Position.Y + y).GetType() == typeof(Element)) {
+                    freePos = new Vector2I(source.Position.X + x, source.Position.Y + y);
+                    break;
+                }
+            }
+        }
+
+        return freePos;
+    }
 }