up3

server/block/model/wall.go

@@ -0,0 +1,47 @@
+package model
+
+import (
+	"github.com/df-mc/dragonfly/server/block/cube"
+	"github.com/df-mc/dragonfly/server/world"
+)
+
+// Wall is a model used by all wall types.
+type Wall struct {
+	// NorthConnection is the height of the connection for the north direction.
+	NorthConnection float64
+	// EastConnection is the height of the connection for the east direction.
+	EastConnection float64
+	// SouthConnection is the height of the connection for the south direction.
+	SouthConnection float64
+	// WestConnection is the height of the connection for the west direction.
+	WestConnection float64
+	// Post is if the wall is the full height of a block or not.
+	Post bool
+}
+
+// BBox ...
+func (w Wall) BBox(cube.Pos, world.BlockSource) []cube.BBox {
+	postHeight := 0.8125
+	if w.Post {
+		postHeight = 1
+	}
+	boxes := []cube.BBox{cube.Box(0.25, 0, 0.25, 0.75, postHeight, 0.75)}
+	if w.NorthConnection > 0 {
+		boxes = append(boxes, cube.Box(0.25, 0, 0, 0.75, w.NorthConnection, 0.25))
+	}
+	if w.EastConnection > 0 {
+		boxes = append(boxes, cube.Box(0.75, 0, 0.25, 1, w.EastConnection, 0.75))
+	}
+	if w.SouthConnection > 0 {
+		boxes = append(boxes, cube.Box(0.25, 0, 0.75, 0.75, w.SouthConnection, 1))
+	}
+	if w.WestConnection > 0 {
+		boxes = append(boxes, cube.Box(0, 0, 0.25, 0.25, w.WestConnection, 0.75))
+	}
+	return boxes
+}
+
+// FaceSolid returns true if the face is in the Y axis.
+func (w Wall) FaceSolid(_ cube.Pos, face cube.Face, _ world.BlockSource) bool {
+	return face.Axis() == cube.Y
+}