YAMM example

yamm_example.lua

-- grazing component
yamm.c("yamm:grazing",{
	depends = {"yamm:move"},
	on_spawn = function(entity)
		print("[YAMM] Loading grazing module for "..entity.type)
		entity.flag = "grazing"
		entity.grazing = {
			-- count
			count = 0,
			
			-- eaten
			grass_hp = 0,
			
			-- current grass
			grass_pos = nil
		}
	end,
	on_step=function(entity,dtime)
		if entity.flag == "grazing" then
			print("[YAMM] Grazing")

			entity.grazing.count = entity.grazing.count + dtime
			if entity.grazing.count > 1 then
				entity.grazing.count=0
				if (not grass_pos) then
					print("-- searching for food")
					-- do grazing code here
					local target = minetest.env:find_node_near(entity.object:getpos(), 10, entity.food)

					if (not entity.move.path) and (target~=nil) and (entity.object:getpos()~=nil) then
						grass_pos = {
							x=target.x,
							y=target.y,
							z=target.z
						}
						grass_hp = 10

						target.y = target.y + 1
						print("-- found food, navigating")

						yamm.types['yamm:move'].path_find(entity,target)
					end
				elseif (yamm.vector_distance(entity.object:getpos(),grass_pos)<2) then
					if (grass_hp < 1) then
						minetest.env:set_node(grass_pos,{name="default:dirt"})
						grass_pos = nil
						return
					end

					print("-- eating")
					grass_hp = grass_hp - 1
					print("grass_hp: "..grass_hp)

				end
			end
		end
	end
})

yamm.e("yamm:sheep",{
	c = {"yamm:move","yamm:gravity","yamm:grazing"}, -- the components used
	food = {"default:dirt_with_grass"}, -- what the sheep eats
	hp_max = 1, -- the max health

	-- looks
	visual = "upright_sprite", -- type
	visual_size = {x=1, y=2}, -- size
	textures = {"mobs_dungeon_master.png", "mobs_dungeon_master_back.png"}, -- textures
	
	-- physics
	collisionbox = {-0.5,-1,-0.03, 0.5,1,0.03}, -- collision box for physics
	physical = true, -- is mob physical
	weight = 5 -- the weight of the mob
})