core: improved building system

src/ReplicatedStorage/Shared/ChunkManager/Chunk.lua

@@ -7,6 +7,23 @@ Chunk.AllChunks = {} :: {[typeof("")]: typeof(Chunk.new(0,0,0))}
 
 local RunService = game:GetService("RunService")
 
+local function normalizeCoord(n)
+	if typeof(n) ~= "number" then
+		return n
+	end
+	if n >= 0 then
+		return math.floor(n + 0.5)
+	end
+	return math.ceil(n - 0.5)
+end
+
+local function keyFromCoords(x, y, z)
+	x = normalizeCoord(x)
+	y = normalizeCoord(y)
+	z = normalizeCoord(z)
+	return `{tostring(x)},{tostring(y)},{tostring(z)}`
+end
+
 local function Swait(l)
 	for i = 1,l do
 		RunService.Stepped:Wait()
@@ -33,6 +50,7 @@ function Chunk.new(x,y,z)
 	
 	self.loaded = false
 	self.loading = false
+	self.delayedRemoval = {}
 	
 	self.data = {} :: {[typeof("")]: BlockData} -- "X,Y,Z": BlockData ("-1,-1,1": BlockData)
 	return self
@@ -49,6 +67,7 @@ function Chunk.from(x,y,z,data)
 	self.UpdateBlockBindableL = Instance.new("BindableEvent") :: BindableEvent
 
 	self.data = data :: {[typeof("")]: BlockData} -- "X,Y,Z": BlockData ("-1,-1,1": BlockData)
+	self.delayedRemoval = {}
 	return self
 end
 
@@ -123,20 +142,42 @@ end
 
 function Chunk:GetBlockAt(x,y,z)
 	task.desynchronize()
-	if not self.data[`{tostring(x)},{tostring(y)},{tostring(z)}`] then
+	if not self.data[keyFromCoords(x, y, z)] then
 		return nil
 	end
-	return self.data[`{tostring(x)},{tostring(y)},{tostring(z)}`]
+	return self.data[keyFromCoords(x, y, z)]
 end
 
 function Chunk:CreateBlock(x: number,y: number,z: number,d:BlockData)
-	self.data[`{tostring(x)},{tostring(y)},{tostring(z)}`] = d
+	self.data[keyFromCoords(x, y, z)] = d
 	self:PropogateChanges(x,y,z,d)
 	return self:GetBlockAt(x,y,z)
 end
 
 function Chunk:RemoveBlock(x, y, z)
-	self.data[x .. "," .. y .. "," .. z] = nil
+	print("[DEBUG] Chunk:RemoveBlock called - Chunk:", self.pos, "Block coords:", x, y, z)
+	local blockKey = keyFromCoords(x, y, z)
+	local existingBlock = self.data[blockKey]
+	if existingBlock then
+		print("[DEBUG] Removing existing block with ID:", existingBlock.id)
+	else
+		print("[DEBUG] No block found at coords", x, y, z)
+	end
+	self.data[blockKey] = nil
+	self:PropogateChanges(x,y,z,0)
+end
+
+function Chunk:RemoveBlockSmooth(x, y, z)
+	print("[DEBUG] Chunk:RemoveBlockSmooth called - Chunk:", self.pos, "Block coords:", x, y, z)
+	local blockKey = keyFromCoords(x, y, z)
+	local existingBlock = self.data[blockKey]
+	if existingBlock then
+		print("[DEBUG] Smooth removing existing block with ID:", existingBlock.id)
+	else
+		print("[DEBUG] Smooth remove: no block found at coords", x, y, z)
+	end
+	self.data[blockKey] = nil
+	self.delayedRemoval[blockKey] = true
 	self:PropogateChanges(x,y,z,0)
 end