attack program - new

farms/attack.lua

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+_G.requireInjector(_ENV)
+
+local Peripheral = require('peripheral')
+local Point      = require('point')
+local Util       = require('util')
+
+local device = _G.device
+local os     = _G.os
+local turtle = _G.turtle
+
+local args = { ... }
+local mob = args[1] or error('Syntax: attack <mob name>')
+
+local function equip(side, item, rawName)
+	local equipped = Peripheral.lookup('side/' .. side)
+
+	if equipped and equipped.type == item then
+		return true
+	end
+
+	if not turtle.equip(side, rawName or item) then
+		if not turtle.selectSlotWithQuantity(0) then
+			error('No slots available')
+		end
+		turtle.equip(side)
+		if not turtle.equip(side, item) then
+			error('Unable to equip ' .. item)
+		end
+	end
+
+	turtle.select(1)
+end
+
+local function setHeading()
+	equip('right', 'plethora:scanner', 'plethora:module:2')
+	local scanner = device['plethora:scanner']
+	local facing = scanner.getBlockMeta(0, 0, 0).state.facing
+	turtle.point.heading = Point.facings[facing].heading
+end
+
+equip('left', 'minecraft:diamond_sword')
+setHeading()
+equip('right', 'plethora:sensor', 'plethora:module:3')
+
+local sensor = device['plethora:sensor']
+
+while true do
+	local blocks = sensor.sense()
+	local mobs = Util.filterInplace(blocks, function(b)
+		if b.name == mob then
+			b.x = Util.round(b.x) + turtle.point.x
+			b.y = Util.round(b.y) + turtle.point.y
+			b.z = Util.round(b.z) + turtle.point.z
+			return true
+		end
+	end)
+
+	if turtle.getFuelLevel() == 0 then
+		error('Out of fuel')
+	end
+
+	if #mobs == 0 then
+		os.sleep(3)
+	else
+		Point.eachClosest(turtle.point, mobs, function(b)
+			if turtle.faceAgainst(b) then
+				repeat until not turtle.attack()
+			end
+		end)
+	end
+end