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|
package server
import (
"iter"
"git.citrons.xyz/metronode/classic"
)
type blockType int16
const (
walkThrough = classic.WalkThrough
swimThrough = classic.SwimThrough
solid = classic.Solid
partiallySlippery = classic.PartiallySlippery
fullySlippery = classic.FullySlippery
water = classic.Water
lava = classic.Lava
rope = classic.Rope
)
type blockSolidity byte
const (
noSound = classic.NoSound
woodSound = classic.WoodSound
gravelSound = classic.GravelSound
grassSound = classic.GrassSound
stoneSound = classic.StoneSound
metalSound = classic.MetalSound
glassSound = classic.GlassSound
woolSound = classic.WoolSound
sandSound = classic.SandSound
snowSound = classic.SnowSound
)
type blockSound byte
const (
opaque = classic.Opaque
transparentGlass = classic.TransparentGlass
transparentLeaves = classic.TransparentLeaves
translucent = classic.Translucent
invisible = classic.Invisible
)
type blockOpacity byte
const (
cubeShape = iota
spriteShape
cuboidShape
)
type blockShape byte
type textureId int
const fillTextures = -1
type blockDef struct {
Name string
Solidity blockSolidity
MovementSpeed byte
Textures [6]textureId
TransmitsLight bool
WalkSound blockSound
FullBright bool
Shape blockShape
Min [3]byte
Max [3]byte
Opacity blockOpacity
FogDensity byte
FogColor [3]byte
}
func getBlockDefPackets() iter.Seq[classic.Packet] {
return func(yield func(classic.Packet) bool) {
for id, def := range blockDefinitions {
var packet classic.Packet
var (
transmitsLight byte
fullBright byte
)
if def.TransmitsLight {
transmitsLight = 1
}
if def.FullBright {
fullBright = 1
}
if def.Shape != spriteShape {
var (i int; texture textureId)
for i, texture = range def.Textures {
if texture == fillTextures {
break
}
}
if texture == fillTextures {
for i = i; i < len(def.Textures); i++ {
def.Textures[i] = def.Textures[i - 1]
}
}
if def.Shape == cubeShape {
def.Min = [3]byte {0, 0, 0}
def.Max = [3]byte {16, 16, 16}
}
packet = &classic.DefineBlockExt {
BlockId: byte(id),
Name: classic.PadString(def.Name),
Solidity: byte(def.Solidity),
MovementSpeed: def.MovementSpeed,
TopTextureId: byte(def.Textures[0]),
LeftTextureId: byte(def.Textures[1]),
RightTextureId: byte(def.Textures[2]),
FrontTextureId: byte(def.Textures[3]),
BackTextureId: byte(def.Textures[4]),
BottomTextureId: byte(def.Textures[5]),
TransmitsLight: transmitsLight,
WalkSound: byte(def.WalkSound),
FullBright: fullBright,
Min: def.Min,
Max: def.Max,
BlockDraw: byte(def.Opacity),
FogDensity: def.FogDensity,
FogColor: def.FogColor,
}
} else {
packet = &classic.DefineBlock {
BlockId: byte(id),
Name: classic.PadString(def.Name),
Solidity: byte(def.Solidity),
MovementSpeed: def.MovementSpeed,
SideTextureId: byte(def.Textures[0]),
TransmitsLight: transmitsLight,
WalkSound: byte(def.WalkSound),
FullBright: fullBright,
Shape: 0,
BlockDraw: byte(def.Opacity),
FogDensity: def.FogDensity,
FogColor: def.FogColor,
}
}
if !yield(packet) {
return
}
}
}
}
|
