Implement Water Mill

api.lua

@@ -21,6 +21,7 @@ industrialtest.api.maceratorRecipes={}
 industrialtest.api.compressorRecipes={}
 industrialtest.api.extractorRecipes={}
 industrialtest.api.geothermalGeneratorFuels={}
+industrialtest.api.waterMillFuels={}
 
 industrialtest.api.lvPowerFlow=600
 industrialtest.api.mvPowerFlow=2400
@@ -441,3 +442,35 @@ industrialtest.api.getGeothermalGeneratorFuelByItem=function(name)
 	end
 	return nil
 end
+-- \brief Registers fuel that can be used in water mill
+-- \param fuel Table with following keys: <name>, <calorificValue>, <storageItems>
+--        which is a table containing items which are tables with following keys: <name>, <leftover>
+-- \returns nil
+industrialtest.api.registerWaterMillFuel=function(config)
+	local definition={
+		name=config.name or "",
+		calorificValue=config.calorificValue or 0,
+		texture=config.texture or "industrialtest_gui_fluid_bg.png",
+		storageItems=config.storageItems or {}
+	}
+	industrialtest.api.waterMillFuels[definition.name]=definition
+end
+-- \brief Returns water mill fuel information
+-- \param name Name of fuel
+-- \returns Table with following keys: name, calorificValue, storageItems
+industrialtest.api.getWaterMillFuel=function(name)
+	return industrialtest.api.waterMillFuels[name]
+end
+-- \brief Returns water mill fuel information by item name
+-- \param name ID of item
+-- \returns Table with following keys: name, calorificValue, storageItems or nil in case of failure
+industrialtest.api.getWaterMillFuelByItem=function(name)
+	for _,value in pairs(industrialtest.api.waterMillFuels) do
+		for _,item in ipairs(value.storageItems) do
+			if item.name==name then
+				return value
+			end
+		end
+	end
+	return nil
+end

compatibility.lua

@@ -502,6 +502,7 @@ if industrialtest.mclAvailable then
 	industrialtest.elementKeys.diamond="mcl_core:diamond"
 	industrialtest.elementKeys.bucket="mcl_buckets:bucket_empty"
 	industrialtest.elementKeys.bucketWithLava="mcl_buckets:bucket_lava"
+	industrialtest.elementKeys.bucketWithWater="mcl_buckets:bucket_water"
 	industrialtest.elementKeys.glowstone="mcl_nether:glowstone_dust"
 	industrialtest.elementKeys.glass="mcl_core:glass"
 	industrialtest.elementKeys.powerCarrier="mesecons:mesecon"
@@ -527,6 +528,7 @@ if industrialtest.mclAvailable then
 	industrialtest.elementKeys.copperBlock="mcl_copper:block"
 	industrialtest.elementKeys.stoneWithCopper="mcl_copper:stone_with_copper"
 	industrialtest.elementKeys.lavaSource="mcl_core:lava_source"
+	industrialtest.elementKeys.waterSource="mcl_core:water_source"
 	
 	-- register required minerals that are not available in MCL
 	industrialtest.registerMetal("tin","Tin",3,3)
@@ -706,6 +708,7 @@ elseif industrialtest.mtgAvailable then
 	industrialtest.elementKeys.snowball="default:snow"
 	industrialtest.elementKeys.bucket="bucket:bucket_empty"
 	industrialtest.elementKeys.bucketWithLava="bucket:bucket_lava"
+	industrialtest.elementKeys.bucketWithWater="bucket:bucket_water"
 	industrialtest.elementKeys.string="farming:string"
 	industrialtest.elementKeys.junglePlanks="default:junglewood"
 	industrialtest.elementKeys.glowstone="dye:yellow"
@@ -736,6 +739,7 @@ elseif industrialtest.mtgAvailable then
 	industrialtest.elementKeys.stoneWithTin="default:stone_with_tin"
 	industrialtest.elementKeys.bronzeBlock="default:bronzeblock"
 	industrialtest.elementKeys.lavaSource="default:lava_source"
+	industrialtest.elementKeys.waterSource="default:water_source"
 else
 	error("No compatible games found!")
 end

crafts.lua

@@ -87,3 +87,29 @@ industrialtest.api.registerGeothermalGeneratorFuel({
 		}
 	}
 })
+
+-- Water Mill fuels
+industrialtest.api.registerWaterMillFuel({
+	name=industrialtest.elementKeys.waterSource,
+	calorificValue=industrialtest.api.lvPowerFlow,
+	texture="industrialtest_gui_water.png",
+	storageItems={
+		{
+			name=industrialtest.elementKeys.bucketWithWater,
+			leftover=industrialtest.elementKeys.bucket
+		}
+	}
+})
+if industrialtest.mtgAvailable then
+	industrialtest.api.registerWaterMillFuel({
+		name="default:river_water_source",
+		calorificValue=industrialtest.api.lvPowerFlow,
+		texture="industrialtest_gui_river_water.png",
+		storageItems={
+			{
+				name="bucket:bucket_river_water",
+				leftover=industrialtest.elementKeys.bucket
+			}
+		}
+	})
+end

machines.lua

@@ -447,15 +447,16 @@ minetest.register_craft({
 	}
 })
 
-local function geothermalGeneratorFormspec(fluidPercent,powerPercent,fluid)
+local function registerFluidGenerator(config)
+	local function getFormspec(fluidPercent,powerPercent,fluid)
 		local formspec
-	local fuel=industrialtest.api.getGeothermalGeneratorFuel(fluid)
+		local fuel=config.getFuel(fluid)
 		local tile=(fuel and fuel.texture or "industrialtest_gui_fluid_bg.png")
 		if industrialtest.mtgAvailable then
 			formspec={
 				"formspec_version[4]",
 				"size[10.8,12]",
-			"label[0.5,0.5;"..S("Geothermal Generator").."]",
+				"label[0.5,0.5;"..S(config.displayName).."]",
 				"list[context;fluid;2,1.8;1,1]",
 				"listring[context;fluid]",
 				(fluidPercent>0 and "image[2,3;1,1;industrialtest_gui_fluid_bg.png^[lowpart:"..fluidPercent..":"..tile.."]" or "image[2,3;1,1;industrialtest_gui_fluid_bg.png]"),
@@ -470,7 +471,7 @@ local function geothermalGeneratorFormspec(fluidPercent,powerPercent,fluid)
 		elseif industrialtest.mclAvailable then
 			formspec={
 				"size[10.04,12]",
-			"label[0.25,0.25;"..S("Geothermal Generator").."]",
+				"label[0.25,0.25;"..S(config.displayName).."]",
 				"list[context;fluid;2,1.8;1,1]",
 				mcl_formspec.get_itemslot_bg(2,1.8,1,1),
 				"listring[context;fluid]",
@@ -492,14 +493,14 @@ local function geothermalGeneratorFormspec(fluidPercent,powerPercent,fluid)
 		return table.concat(formspec,"")
 	end
 	definition={
-	description=S("Geothermal Generator"),
+		description=S(config.displayName),
 		tiles={
-		"industrialtest_machine_block.png",
-		"industrialtest_machine_block.png",
-		"industrialtest_machine_block.png",
-		"industrialtest_machine_block.png",
-		"industrialtest_machine_block.png",
-		"industrialtest_machine_block.png^industrialtest_geothermal_generator_front.png",
+			"industrialtest_machine_block.png"..(config.customTopTexture and "^"..config.customTopTexture or ""),
+			"industrialtest_machine_block.png"..(config.customBottomTexture and "^"..config.customBottomTexture or ""),
+			"industrialtest_machine_block.png"..(config.customRightTexture and "^"..config.customRightTexture or ""),
+			"industrialtest_machine_block.png"..(config.customLeftTexture and "^"..config.customLeftTexture or ""),
+			"industrialtest_machine_block.png"..(config.customBackTexture and "^"..config.customBackTexture or ""),
+			"industrialtest_machine_block.png"..(config.customFrontTexture and "^"..config.customFrontTexture or "")
 		},
 		paramtype2="facedir",
 		legacy_facedir_simple=true,
@@ -512,7 +513,7 @@ definition={
 			inv:set_size("leftover",1)
 			meta:set_float("fluidAmount",0)
 			meta:set_string("fluid","")
-		meta:set_string("formspec",geothermalGeneratorFormspec(0,0,""))
+			meta:set_string("formspec",getFormspec(0,0,""))
 			industrialtest.api.addPowerStorage(meta,7000,industrialtest.api.lvPowerFlow,"oooooo")
 		end,
 		on_timer=function(pos,elapsed)
@@ -525,7 +526,7 @@ definition={
 			local shouldRerunTimer=(afterFlow and meta:get_int("industrialtest.powerAmount")>0)
 
 			if fluidSlot:get_count()>0 and meta:get_float("fluidAmount")<=9000 then
-			local fuel=industrialtest.api.getGeothermalGeneratorFuelByItem(fluidSlot:get_name())
+				local fuel=config.getFuelByItem(fluidSlot:get_name())
 				if fuel and (fuel.name==meta:get_string("fluid") or meta:get_string("fluid")=="") then
 					local leftover=false
 					local leftoverAddingSucceeded=false
@@ -550,14 +551,18 @@ definition={
 			end
 			if meta:get_float("fluidAmount")>=50 and not industrialtest.api.isFullyCharged(meta) then
 				meta:set_float("fluidAmount",meta:get_int("fluidAmount")-50*elapsed)
-			local toAdd=math.ceil(industrialtest.api.getGeothermalGeneratorFuel(meta:get_string("fluid")).calorificValue*elapsed)
+				local toAdd=math.ceil(config.getFuel(meta:get_string("fluid")).calorificValue*elapsed)
 				industrialtest.api.addPower(meta,toAdd)
 				shouldUpdateFormspec=true
+				if config.registerActiveVariant then
 					minetest.swap_node(pos,{
-				name="industrialtest:geothermal_generator_active",
+						name="industrialtest:"..config.name.."_active",
 						param2=minetest.get_node(pos).param2
 					})
 					minetest.get_node_timer(pos):start(industrialtest.updateDelay)
+				else
+					shouldRerunTimer=true
+				end
 			end
 			if chargedSlot:get_count()>0 and meta:get_int("industrialtest.powerAmount")>0 then
 				if industrialtest.api.transferPowerToItem(meta,chargedSlot,industrialtest.api.lvPowerFlow)>0 then
@@ -566,9 +571,12 @@ definition={
 					shouldRerunTimer=true
 				end
 			end
+			if flowTransferred then
+				shouldUpdateFormspec=true
+			end
 
 			if shouldUpdateFormspec then
-			meta:set_string("formspec",geothermalGeneratorFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
+				meta:set_string("formspec",getFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
 			end
 
 			return shouldRerunTimer
@@ -595,7 +603,7 @@ definition={
 			minetest.get_node_timer(pos):start(industrialtest.updateDelay)
 		end,
 		_industrialtest_updateFormspec=function(meta)
-		meta:set_string("formspec",geothermalGeneratorFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
+			meta:set_string("formspec",getFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
 		end
 	}
 	if industrialtest.mtgAvailable then
@@ -620,16 +628,17 @@ elseif industrialtest.mclAvailable then
 	end
 	definition.groups._industrialtest_hasPowerOutput=1
 	definition.groups._industrialtest_wrenchUnmountable=1
-minetest.register_node("industrialtest:geothermal_generator",definition)
+	minetest.register_node("industrialtest:"..config.name,definition)
+	if config.registerActiveVariant then
 		definition=table.copy(definition)
 		definition.description=nil
 		definition.tiles={
-	"industrialtest_machine_block.png",
-	"industrialtest_machine_block.png",
-	"industrialtest_machine_block.png",
-	"industrialtest_machine_block.png",
-	"industrialtest_machine_block.png",
-	"industrialtest_machine_block.png^industrialtest_geothermal_generator_front_active.png",
+			"industrialtest_machine_block.png"..(config.customTopTexture and "^"..config.customTopTextureActive or ""),
+			"industrialtest_machine_block.png"..(config.customBottomTexture and "^"..config.customBottomTextureActive or ""),
+			"industrialtest_machine_block.png"..(config.customRightTexture and "^"..config.customRightTextureActive or ""),
+			"industrialtest_machine_block.png"..(config.customLeftTexture and "^"..config.customLeftTextureActive or ""),
+			"industrialtest_machine_block.png"..(config.customBackTexture and "^"..config.customBackTextureActive or ""),
+			"industrialtest_machine_block.png"..(config.customFrontTexture and "^"..config.customFrontTextureActive or "")
 		}
 		definition.on_timer=function(pos,elapsed)
 			local meta=minetest.get_meta(pos)
@@ -641,7 +650,7 @@ definition.on_timer=function(pos,elapsed)
 			local shouldRerunTimer=(afterFlow and meta:get_int("industrialtest.powerAmount")>0)
 
 			if fluidSlot:get_count()>0 and meta:get_float("fluidAmount")<=9000 then
-		local fuel=industrialtest.api.getGeothermalGeneratorFuelByItem(fluidSlot:get_name())
+				local fuel=config.getFuelByItem(fluidSlot:get_name())
 				if fuel and (fuel.name==meta:get_string("fluid") or meta:get_string("fluid")=="") then
 					local leftover=false
 					local leftoverAddingSucceeded=false
@@ -673,7 +682,7 @@ definition.on_timer=function(pos,elapsed)
 				shouldRerunTimer=true
 			else
 				minetest.swap_node(pos,{
-			name="industrialtest:geothermal_generator",
+					name="industrialtest:"..config.name,
 					param2=minetest.get_node(pos).param2
 				})
 				minetest.get_node_timer(pos):start(industrialtest.updateDelay)
@@ -685,9 +694,12 @@ definition.on_timer=function(pos,elapsed)
 					shouldRerunTimer=true
 				end
 			end
+			if flowTransferred then
+				shouldUpdateFormspec=true
+			end
 
 			if shouldUpdateFormspec then
-		meta:set_string("formspec",geothermalGeneratorFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
+				meta:set_string("formspec",getFormspec(meta:get_float("fluidAmount")/100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity"),meta:get_string("fluid")))
 			end
 
 			return shouldRerunTimer
@@ -697,7 +709,84 @@ if industrialtest.mclAvailable then
 			definition._doc_items_create_entry=false
 		end
 		definition.light_source=8
-minetest.register_node("industrialtest:geothermal_generator_active",definition)
+		minetest.register_node("industrialtest:"..config.name.."_active",definition)
+	end
+end
+
+registerFluidGenerator({
+	name="geothermal_generator",
+	displayName="Geothermal Generator",
+	customFrontTexture="industrialtest_geothermal_generator_front.png",
+	customFrontTextureActive="industrialtest_geothermal_generator_front_active.png",
+	getFuel=industrialtest.api.getGeothermalGeneratorFuel,
+	getFuelByItem=industrialtest.api.getGeothermalGeneratorFuelByItem,
+	registerActiveVariant=true,
+	reactsToNeighbouringNodes=false
+})
+
+registerFluidGenerator({
+	name="water_mill",
+	displayName="Water Mill",
+	customLeftTexture="industrialtest_water_mill_side.png",
+	customRightTexture="industrialtest_water_mill_side.png",
+	customFrontTexture="industrialtest_water_mill_side.png",
+	customBackTexture="industrialtest_water_mill_side.png",
+	getFuel=industrialtest.api.getWaterMillFuel,
+	getFuelByItem=industrialtest.api.getWaterMillFuelByItem,
+	registerActiveVariant=false
+})
+local neighbors={}
+for key,_ in pairs(industrialtest.api.waterMillFuels) do
+	table.insert(neighbors,key)
+end
+minetest.register_abm({
+	label="Water Mill generating",
+	nodenames={"industrialtest:water_mill"},
+	neighbors=neighbors,
+	interval=industrialtest.updateDelay,
+	chance=1,
+	action=function(pos,node)
+		local meta=minetest.get_meta(pos)
+		local inv=meta:get_inventory()
+		local chargedSlot=inv:get_stack("charged",1)
+		local powerToAdd=0
+		local neighbourPositions={
+			vector.offset(pos,-1,0,0),
+			vector.offset(pos,1,0,0),
+			vector.offset(pos,0,-1,0),
+			vector.offset(pos,0,1,0),
+			vector.offset(pos,0,0,-1),
+			vector.offset(pos,0,0,1)
+		}
+		for _,value in ipairs(neighbourPositions) do
+			local node=minetest.get_node_or_nil(value)
+			if node then
+				local fuel=industrialtest.api.getWaterMillFuel(node.name)
+				if fuel then
+					powerToAdd=powerToAdd+fuel.calorificValue*0.2
+				end
+			end
+		end
+		if industrialtest.api.addPower(meta,powerToAdd)>0 then
+			local def=minetest.registered_nodes[node.name]
+			def._industrialtest_updateFormspec(meta)
+		end
+		if chargedSlot:get_count()>0 and meta:get_int("industrialtest.powerAmount")>0 then
+			if industrialtest.api.transferPowerToItem(meta,chargedSlot,industrialtest.api.lvPowerFlow)>0 then
+				inv:set_stack("charged",1,chargedSlot)
+			end
+		end
+	end
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:water_mill",
+	recipe={
+		{"",industrialtest.elementKeys.stick,""},
+		{industrialtest.elementKeys.stick,"industrialtest:generator",industrialtest.elementKeys.stick},
+		{"",industrialtest.elementKeys.stick,""}
+	}
+})
 
 -- Item processing machines
 local function registerSimpleElectricItemProcessor(config)

textures/SOURCES.md

@@ -1,4 +1,6 @@
 # Texture sources
 - `industrialtest_gui_lava.png` was taken from Minetest Game (by Cisoun licensed with CC BY-SA 3.0)
+- `industrialtest_gui_water.png` was taken from Minetest Game (by Cisoun licensed with CC BY-SA 3.0)
+- `industrialtest_gui_river_water.png` was taken from Minetest Game (by paramat licensed with CC BY-SA 3.0)
 
 ... rest was made either by LuanHawk, mrkubax10 or Migdyn and is licensed with CC BY 4.0 International