Implement Extractor

api.lua

@@ -19,6 +19,7 @@ local S=minetest.get_translator("industrialtest")
 industrialtest.api={}
 industrialtest.api.maceratorRecipes={}
 industrialtest.api.compressorRecipes={}
+industrialtest.api.extractorRecipes={}
 
 local function clamp(num,min,max)
 	return math.max(math.min(num,max),min)
@@ -363,3 +364,14 @@ end
 industrialtest.api.getCompressorRecipeResult=function(recipe)
 	return industrialtest.api.compressorRecipes[recipe]
 end
+industrialtest.api.registerExtractorRecipe=function(config)
+	local definition={
+		output=config.output or "",
+		recipe=config.recipe or "",
+		time=config.time or 2
+	}
+	industrialtest.api.extractorRecipes[definition.recipe]=definition
+end
+industrialtest.api.getExtractorRecipeResult=function(recipe)
+	return industrialtest.api.extractorRecipes[recipe]
+end

craftitems.lua

@@ -66,7 +66,18 @@ minetest.register_craft({
 	output="industrialtest:rubber",
 	recipe="industrialtest:sticky_resin"
 })
--- TODO: add rubber crafts using extractor
+industrialtest.api.registerExtractorRecipe({
+	output="industrialtest:rubber",
+	recipe="industrialtest:rubber_wood"
+})
+industrialtest.api.registerExtractorRecipe({
+	output="industrialtest:rubber",
+	recipe="industrialtest:rubber_sapling"
+})
+industrialtest.api.registerExtractorRecipe({
+	output="industrialtest:rubber 3",
+	recipe="industrialtest:sticky_resin"
+})
 
 -- Dust
 local resources={

machines.lua

@@ -313,6 +313,22 @@ local function registerSimpleElectricItemProcessor(config)
 				time=output.time,
 				src=srcAfter
 			}
+		elseif method=="industrialtest.extracting" then
+			local output=industrialtest.api.getExtractorRecipeResult(item:get_name())
+			if not output then
+				return {
+					item=ItemStack(),
+					time=0,
+					src=item
+				}
+			end
+			local srcAfter=ItemStack(item:get_name())
+			srcAfter:set_count(item:get_count()-1)
+			return {
+				item=ItemStack(output.output),
+				time=output.time,
+				src=srcAfter
+			}
 		end
 		error("Unknown craft method passed to craftResultProxy")
 	end
@@ -779,3 +795,21 @@ minetest.register_craft({
 		{industrialtest.elementKeys.stone,"industrialtest:electronic_circuit",industrialtest.elementKeys.stone}
 	}
 })
+
+registerSimpleElectricItemProcessor({
+	name="extractor",
+	displayName="Extractor",
+	capacity=900,
+	flow=600,
+	opPower=100,
+	method="industrialtest.extracting",
+	efficiency=1
+})
+minetest.register_craft({
+	type="shaped",
+	output="industrialtest:extractor",
+	recipe={
+		{"industrialtest:treetap","industrialtest:machine_block","industrialtest:treetap"},
+		{"industrialtest:treetap","industrialtest:electronic_circuit","industrialtest:treetap"}
+	}
+})