38 lines
1.2 KiB
Go
38 lines
1.2 KiB
Go
|
package model
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/df-mc/dragonfly/server/block/cube"
|
||
|
|
"github.com/df-mc/dragonfly/server/world"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Slab is the model of a slab-like block, which is either a half block or a full block, depending on if the
|
||
|
|
// slab is double.
|
||
|
|
type Slab struct {
|
||
|
|
// Double and Top specify if the Slab is a double slab and if it's in the top slot respectively. If Double is true,
|
||
|
|
// the BBox returned is always a full block.
|
||
|
|
Double, Top bool
|
||
|
|
}
|
||
|
|
|
||
|
|
// BBox returns either a physics.BBox spanning a full block or a half block in the top/bottom part of the block,
|
||
|
|
// depending on the Double and Top fields.
|
||
|
|
func (s Slab) BBox(cube.Pos, world.BlockSource) []cube.BBox {
|
||
|
|
if s.Double {
|
||
|
|
return []cube.BBox{full}
|
||
|
|
}
|
||
|
|
if s.Top {
|
||
|
|
return []cube.BBox{cube.Box(0, 0.5, 0, 1, 1, 1)}
|
||
|
|
}
|
||
|
|
return []cube.BBox{cube.Box(0, 0, 0, 1, 0.5, 1)}
|
||
|
|
}
|
||
|
|
|
||
|
|
// FaceSolid returns true if the Slab is double, or if the face is cube.FaceUp when the Top field is true, or if the
|
||
|
|
// face is cube.FaceDown when the Top field is false.
|
||
|
|
func (s Slab) FaceSolid(_ cube.Pos, face cube.Face, _ world.BlockSource) bool {
|
||
|
|
if s.Double {
|
||
|
|
return true
|
||
|
|
} else if s.Top {
|
||
|
|
return face == cube.FaceUp
|
||
|
|
}
|
||
|
|
return face == cube.FaceDown
|
||
|
|
}
|