1 files changed, 73 insertions, 0 deletions
diff --git a/source/game/items/BlockItemActions.cs b/source/game/items/BlockItemActions.cs
new file mode 100644
index 0000000..94b6c67
--- /dev/null
+++ b/source/game/items/BlockItemActions.cs
@@ -0,0 +1,73 @@
+using Celesteia.Game.Components;
+using Celesteia.Game.Components.Physics;
+using Celesteia.Game.Planets;
+using Celesteia.Resources;
+using Celesteia.Resources.Types;
+using Microsoft.Xna.Framework;
+using MonoGame.Extended;
+using MonoGame.Extended.Entities;
+
+namespace Celesteia.Game.Items {
+    public class BlockItemActions : CooldownItemActions {
+        protected BlockType type;
+        protected byte id = 0;
+
+        public BlockItemActions(NamespacedKey blockKey) {
+            UseTime = 0;
+            type = ResourceManager.Blocks.GetResource(blockKey) as BlockType;
+            id = type.GetID();
+        }
+        
+        public override bool Primary(GameTime gameTime, ChunkMap chunkMap, Point cursor, Entity user)
+        => Assert(gameTime, chunkMap, cursor, user, false) && Place(chunkMap, cursor, false);
+
+        public override bool Secondary(GameTime gameTime, ChunkMap chunkMap, Point cursor, Entity user)
+        => Assert(gameTime, chunkMap, cursor, user, true) && Place(chunkMap, cursor, true);
+
+        public virtual bool Assert(GameTime gameTime, ChunkMap chunkMap, Point cursor, Entity user, bool forWall) {
+            if (!base.Assert(gameTime)) return false;
+            if (id == 0) return false;
+
+            UpdateLastUse(gameTime);
+
+            if (!user.Has<Transform2>() || !user.Has<EntityAttributes>()) return false;
+
+            Transform2 entityTransform = user.Get<Transform2>();
+            EntityAttributes.EntityAttributeMap attributes = user.Get<EntityAttributes>().Attributes;
+
+            if (Vector2.Distance(entityTransform.Position, cursor.ToVector2()) > attributes.Get(EntityAttribute.BlockRange)) return false;
+
+            if (!forWall && user.Has<CollisionBox>()) {
+                Rectangle box = user.Get<CollisionBox>().Rounded;
+                RectangleF? rect = chunkMap.TestBoundingBox(cursor.X, cursor.Y, type.BoundingBox);
+                if (rect.HasValue) {
+                    bool intersect = rect.Intersects(new RectangleF(box.X, box.Y, box.Width, box.Height));
+                    if (intersect) return false;
+                }
+            }
+
+            if (!(forWall ?
+                chunkMap.GetBackground(cursor.X, cursor.Y) : 
+                chunkMap.GetForeground(cursor.X, cursor.Y))
+            .Empty) return false;
+            
+            // Require adjacent blocks or a filled tile on the other layer.
+            return (
+                chunkMap.GetAny(cursor.X - 1, cursor.Y) ||
+                chunkMap.GetAny(cursor.X + 1, cursor.Y) ||
+                chunkMap.GetAny(cursor.X, cursor.Y - 1) || 
+                chunkMap.GetAny(cursor.X, cursor.Y + 1)
+            ) || (forWall ?
+                chunkMap.GetForeground(cursor.X, cursor.Y) : 
+                chunkMap.GetBackground(cursor.X, cursor.Y))
+            .Empty;
+        }
+
+        public bool Place(ChunkMap chunkMap, Point cursor, bool wall) {
+            if (wall) chunkMap.SetBackgroundID(cursor, id);
+            else chunkMap.SetForegroundID(cursor, id);
+
+            return true;
+        }
+    }
+}
+\ No newline at end of file