Add Florbs - Buckets that hold milliBuckets of liquid

fluidity/florbs.lua

@@ -0,0 +1,162 @@
+
+fluidity.florbs = {}
+
+local function get_itemdef_field(nodename, fieldname)
+    if not minetest.registered_items[nodename] then
+        return nil
+    end
+    return minetest.registered_items[nodename][fieldname]
+end
+
+function fluidity.florbs.get_is_florb(stack)
+	return minetest.get_item_group(stack:get_name(), "florb") > 0
+end
+
+function fluidity.florbs.get_is_empty_florb(stack)
+	return minetest.get_item_group(stack:get_name(), "florb_blank") > 0
+end
+
+function fluidity.florbs.get_florb_contents(stack)
+	if not fluidity.florbs.get_is_florb(stack) then return nil end
+	local fcapacity = get_itemdef_field(stack:get_name(), "_florb_capacity")
+	local ffluid    = get_itemdef_field(stack:get_name(), "_florb_source")
+
+	local meta = stack:get_meta()
+	local contents = meta:get_int("contents")
+	if not contents then
+		contents = 0
+	end
+
+	return contents, ffluid, fcapacity
+end
+
+local function update_florb(stack)
+	local def_desc = get_itemdef_field(stack:get_name(), "description")
+	local meta = stack:get_meta()
+	local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(stack)
+
+	meta:set_string("description", def_desc.."\nContains "..contents.."/"..capacity.." mB")
+
+	return stack
+end
+
+function fluidity.florbs.add_fluid(stack, source_name, amount)
+	if not fluidity.florbs.get_is_florb(stack) then return nil end
+	local source_node = fluidity.get_fluid_node(source_name)
+	local fluid       = fluidity.fluid_name(source_node.description)
+	local internal    = fluidity.fluid_short(fluid)
+	local florbname   = stack:get_name()
+
+	if minetest.get_item_group(florbname, "florb_blank") > 0 then
+		stack = ItemStack(florbname.."_"..internal)
+	end
+
+	local meta = stack:get_meta()
+	local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(stack)
+
+	local remainder = 0
+
+	if contents + amount > capacity then
+		remainder = (contents + amount) - capacity
+		contents = capacity
+	else
+		contents = contents + amount
+	end
+
+	meta:set_int("contents", contents)
+	stack = update_florb(stack)
+
+	return stack, remainder
+end
+
+function fluidity.florbs.take_fluid(stack, amount)
+	if not fluidity.florbs.get_is_florb(stack) then return nil end
+
+	local meta = stack:get_meta()
+	local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(stack)
+	local blank = get_itemdef_field(stack:get_name(), "_florb_blank")
+
+	local leftover = 0
+	if contents - amount < 0 then
+		leftover = (contents - amount) * -1
+		contents = 0
+	else
+		contents = contents - amount
+	end
+
+	if contents == 0 then
+		stack = ItemStack(blank)
+	else
+		meta:set_int("contents", contents)
+		stack = update_florb(stack)
+	end
+
+	return stack, leftover
+end
+
+local function register_florbfluid(data)
+	local source_node = fluidity.get_fluid_node(data.source_name)
+	local fluid       = fluidity.fluid_name(source_node.description)
+	local internal    = fluidity.fluid_short(fluid)
+
+	local stationary_name = source_node.tiles[1].name:gsub("_source_animated", "")
+
+	-- Register base item
+	minetest.register_craftitem(data.mod_name..":"..data.florb_name.."_"..internal, {
+		description     = data.florb_description.." ("..fluid..")",
+		inventory_image = stationary_name.."^[noalpha^"..data.textures[1].."^"..data.textures[2].."^[makealpha:255,0,0,",
+		_florb_capacity = data.capacity,
+		_florb_source   = data.source_name,
+		_florb_blank    = data.mod_name..":"..data.florb_name,
+		stack_max       = 1,
+		groups          = {florb = 1, not_in_creative_inventory = 1}
+	})
+end
+
+function fluidity.register_florb(data)
+	local mod_name    = data.mod_name or minetest.get_current_modname()
+	local florb_name = data.florb_name or 'florb'
+	local florb_desc = data.florb_description or 'Florb'
+	local textures   = data.textures or {"fluidity_florb.png", "fluidity_florb_mask.png"}
+	local capacity   = data.capacity or 1000
+
+	-- Register base item
+	minetest.register_craftitem(mod_name..":"..florb_name, {
+		description     = florb_desc.." (Empty)\nThis item holds percise amount of fluids.",
+		inventory_image = textures[1],
+		_florb_capacity = capacity,
+		_florb_source   = nil,
+		stack_max       = 1,
+		groups          = {florb = 1, florb_blank = 1}
+	})
+
+	-- Register for all fluids
+	if data.fluids then
+		-- This tank only uses certain fluids
+		for _, v in pairs(data.fluids) do
+			register_florbfluid({
+				mod_name          = mod_name,
+				florb_name        = florb_name,
+				florb_description = florb_desc,
+				textures          = textures,
+				capacity          = capacity,
+				source_name       = v
+			})
+		end
+	else
+		-- Get all fluids and buckets and cache them
+		for i, v in pairs(bucket.liquids) do
+			if (i:find("source") ~= nil) then
+				-- Add tank
+				register_florbfluid({
+					mod_name          = mod_name,
+					florb_name        = florb_name,
+					florb_description = florb_desc,
+					textures          = textures,
+					capacity          = capacity,
+					source_name       = v["source"]
+				})
+			end
+		end
+	end
+end

fluidity/init.lua

@@ -15,5 +15,8 @@ dofile(mpath.."/molten.lua")
 -- Tanks
 dofile(mpath.."/tanks.lua")
 
+-- Florbs
+dofile(mpath.."/florbs.lua")
+
 -- Register everything
 dofile(mpath.."/register.lua")

fluidity/register.lua

@@ -7,11 +7,18 @@ for _,v in pairs(metals) do
 	fluidity.register_molten_metal(v)
 end
 
--- Register tanks for all metals
+-- Register tanks for all fluids
 fluidity.register_fluid_tank({
-	mod_name         = "fluidity",
 	tank_name        = "fluid_tank",
 	tank_description = "Fluid Tank",
 	capacity         = 64,
 	tiles            = {"default_glass.png", "default_glass_detail.png"}
 })
+
+-- Register florbs for all fluids
+fluidity.register_florb({
+	florb_name        = "florb",
+	florb_description = "Florb",
+	capacity          = 1000,
+	tiles             = {"fluidity_florb.png", "fluidity_florb_mask.png"}
+})

metal_melter/caster.lua

@@ -112,7 +112,7 @@ local function allow_metadata_inventory_put (pos, listname, index, stack, player
 	end
 
 	if listname == "bucket_out" then
-		if stack:get_name() ~= "bucket:bucket_empty" then
+		if stack:get_name() ~= "bucket:bucket_empty" and not fluidity.florbs.get_is_florb(stack) then
 			return 0
 		end
 
@@ -270,15 +270,39 @@ local function caster_node_timer(pos, elapsed)
 	end
 
 	-- Handle input bucket, only allow a molten metal
-	local bucket_in = inv:get_stack("bucket_in", 1):get_name()
+	local bucket_in   = inv:get_stack("bucket_in", 1)
-	if bucket_in:find("bucket") and bucket_in ~= "bucket:bucket_empty" then
+	local bucket_name = bucket_in:get_name()
-		local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_in)
+	if (bucket_name:find("bucket") and bucket_name ~= "bucket:bucket_empty") or (not fluidity.florbs.get_is_empty_florb(bucket_in) and fluidity.florbs.get_is_florb(bucket_in)) then
+		local is_florb = fluidity.florbs.get_is_florb(bucket_in)
+		if is_florb then
+			local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_in)
+			local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
+			if fluid_metal and (fluid_name == metal or metal == "") then
+				local take = 1000
+
+				if metal_count + take > metal_melter.max_metal then
+					take = metal_melter.max_metal - metal_count
+				end
+
+				-- Attempt to take 1000 millibuckets from the florb
+				local stack,res = fluidity.florbs.take_fluid(bucket_in, take)
+				if res > 0 then
+					take = take - res
+				end
+
+				metal = fluid_name
+				metal_count = metal_count + take
+				inv:set_list("bucket_in", {stack})
+				refresh = true
+			end
+		else
+			local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_name)
 			local fluid_is_metal = fluidity.get_metal_for_fluid(bucket_fluid) ~= nil
 			local empty_bucket = false
 
 			if fluid_is_metal then
 				if metal ~= "" and metal == bucket_fluid then
-				if metal_count + 1000 <= metal_caster.max_metal then
+					if metal_count + 1000 <= metal_melter.max_metal then
 						metal_count = metal_count + 1000
 						empty_bucket = true
 					end
@@ -294,10 +318,38 @@ local function caster_node_timer(pos, elapsed)
 				refresh = true
 			end
 		end
+	end
 
 	-- Handle bucket output, only allow empty buckets in this slot
-	local bucket_out = inv:get_stack("bucket_out", 1):get_name()
+	local bucket_out = inv:get_stack("bucket_out", 1)
-	if bucket_out == "bucket:bucket_empty" and metal ~= "" and inv:get_stack("bucket_out", 1):get_count() == 1 then
+	bucket_name      = bucket_out:get_name()
+	if (bucket_name == "bucket:bucket_empty" or fluidity.florbs.get_is_florb(bucket_out)) and metal ~= "" and bucket_out:get_count() == 1 then
+		local is_florb = fluidity.florbs.get_is_florb(bucket_out)
+		if is_florb then
+			local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_out)
+			local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
+			if not fluid_name or fluid_name == metal then
+				local take = 1000
+
+				if metal_count < take then
+					take = metal_count
+				end
+
+				-- Attempt to put 1000 millibuckets into the florb
+				local stack,res = fluidity.florbs.add_fluid(bucket_out, metal, take)
+				if res > 0 then
+					take = take - res
+				end
+
+				metal_count = metal_count - take
+				inv:set_list("bucket_out", {stack})
+				refresh = true
+
+				if metal_count == 0 then
+					metal = ""
+				end
+			end
+		else
 			local bucket = fluidity.get_bucket_for_fluid(metal)
 			if metal_count >= 1000 then
 				metal_count = metal_count - 1000
@@ -309,6 +361,7 @@ local function caster_node_timer(pos, elapsed)
 				end
 			end
 		end
+	end
 
 	-- If we have a cast, check if we can cast right now.
 	if metal ~= "" then

metal_melter/melter.lua

@@ -127,7 +127,7 @@ local function allow_metadata_inventory_put (pos, listname, index, stack, player
 	end
 
 	if listname == "bucket_out" then
-		if stack:get_name() ~= "bucket:bucket_empty" then
+		if stack:get_name() ~= "bucket:bucket_empty" and not fluidity.florbs.get_is_florb(stack) then
 			return 0
 		end
 
@@ -209,9 +209,33 @@ local function melter_node_timer(pos, elapsed)
 	end
 
 	-- Handle input bucket, only allow a molten metal
-	local bucket_in = inv:get_stack("bucket_in", 1):get_name()
+	local bucket_in   = inv:get_stack("bucket_in", 1)
-	if bucket_in:find("bucket") and bucket_in ~= "bucket:bucket_empty" then
+	local bucket_name = bucket_in:get_name()
-		local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_in)
+	if (bucket_name:find("bucket") and bucket_name ~= "bucket:bucket_empty") or (not fluidity.florbs.get_is_empty_florb(bucket_in) and fluidity.florbs.get_is_florb(bucket_in)) then
+		local is_florb = fluidity.florbs.get_is_florb(bucket_in)
+		if is_florb then
+			local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_in)
+			local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
+			if fluid_metal and (fluid_name == metal or metal == "") then
+				local take = 1000
+
+				if metal_count + take > metal_melter.max_metal then
+					take = metal_melter.max_metal - metal_count
+				end
+
+				-- Attempt to take 1000 millibuckets from the florb
+				local stack,res = fluidity.florbs.take_fluid(bucket_in, take)
+				if res > 0 then
+					take = take - res
+				end
+
+				metal = fluid_name
+				metal_count = metal_count + take
+				inv:set_list("bucket_in", {stack})
+				refresh = true
+			end
+		else
+			local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_name)
 			local fluid_is_metal = fluidity.get_metal_for_fluid(bucket_fluid) ~= nil
 			local empty_bucket = false
 
@@ -233,10 +257,38 @@ local function melter_node_timer(pos, elapsed)
 				refresh = true
 			end
 		end
+	end
 
 	-- Handle bucket output, only allow empty buckets in this slot
-	local bucket_out = inv:get_stack("bucket_out", 1):get_name()
+	local bucket_out = inv:get_stack("bucket_out", 1)
-	if bucket_out == "bucket:bucket_empty" and metal ~= "" and inv:get_stack("bucket_out", 1):get_count() == 1 then
+	bucket_name      = bucket_out:get_name()
+	if (bucket_name == "bucket:bucket_empty" or fluidity.florbs.get_is_florb(bucket_out)) and metal ~= "" and bucket_out:get_count() == 1 then
+		local is_florb = fluidity.florbs.get_is_florb(bucket_out)
+		if is_florb then
+			local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_out)
+			local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
+			if not fluid_name or fluid_name == metal then
+				local take = 1000
+
+				if metal_count < take then
+					take = metal_count
+				end
+
+				-- Attempt to put 1000 millibuckets into the florb
+				local stack,res = fluidity.florbs.add_fluid(bucket_out, metal, take)
+				if res > 0 then
+					take = take - res
+				end
+
+				metal_count = metal_count - take
+				inv:set_list("bucket_out", {stack})
+				refresh = true
+
+				if metal_count == 0 then
+					metal = ""
+				end
+			end
+		else
 			local bucket = fluidity.get_bucket_for_fluid(metal)
 			if metal_count >= 1000 then
 				metal_count = metal_count - 1000
@@ -248,6 +300,7 @@ local function melter_node_timer(pos, elapsed)
 				end
 			end
 		end
+	end
 
 	-- Handle metal input. Must be a: ingot, lump, block or ore.
 	local input = inv:get_stack("input", 1):get_name()

tinkering/nodesitems.lua

@@ -53,3 +53,11 @@ minetest.register_craft({
         {'group:tree'},
     },
 })
+
+minetest.register_craft({
+    output = 'fluidity:florb',
+    recipe = {
+        {'default:glass'},
+        {'bucket:bucket_empty'},
+    },
+})