up3

server/world/block_model.go

@@ -0,0 +1,28 @@
+package world
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+)
+
+// BlockModel represents the model of a block. These models specify the ways a block can be collided with and
+// whether specific faces are solid wrt. being able to, for example, place torches onto those sides.
+type BlockModel interface {
+	// BBox returns the bounding boxes that a block with this model can be collided with.
+	BBox(pos cube.Pos, s BlockSource) []cube.BBox
+	// FaceSolid checks if a specific face of a block at the position in a world passed is solid. Blocks may
+	// be attached to these faces.
+	FaceSolid(pos cube.Pos, face cube.Face, s BlockSource) bool
+}
+
+// unknownModel is the model used for unknown blocks. It is the equivalent of a fully solid model.
+type unknownModel struct{}
+
+// BBox ...
+func (u unknownModel) BBox(cube.Pos, BlockSource) []cube.BBox {
+	return []cube.BBox{cube.Box(0, 0, 0, 1, 1, 1)}
+}
+
+// FaceSolid ...
+func (u unknownModel) FaceSolid(cube.Pos, cube.Face, BlockSource) bool {
+	return true
+}