model

server/block/hopper.go

@@ -57,8 +57,7 @@ func NewHopper() Hopper {
 
 // Model ...
 func (Hopper) Model() world.BlockModel {
-	// TODO: Implement me.
-	return model.Solid{}
+	return model.Hopper{}
 }
 
 // SideClosed ...

server/block/model/hopper.go

@@ -0,0 +1,18 @@
+package model
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/world"
+)
+
+type Hopper struct{}
+
+// BBox returns a physics.BBox that spans a full block.
+func (Hopper) BBox(cube.Pos, *world.World) []cube.BBox {
+	return []cube.BBox{full}
+}
+
+// FaceSolid only returns true for the top face of the hopper.
+func (Hopper) FaceSolid(_ cube.Pos, face cube.Face, _ *world.World) bool {
+	return face == cube.FaceUp
+}