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vegetarian.lua
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-- A sample NPC
-- Animations
npc.model.register_animation("character_anpc.b3d", "stand", {
start_frame = 0,
end_frame = 79,
speed = 30,
loop = true
})
npc.model.register_animation("character_anpc.b3d", "lay", {
start_frame = 162,
end_frame = 166,
loop = true
})
npc.model.register_animation("character_anpc.b3d", "walk", {
start_frame = 168,
end_frame = 187,
loop = true
})
npc.model.register_animation("character_anpc.b3d", "mine_once", {
start_frame = 192,
end_frame = 196,
speed = 15,
loop = false,
animation_after = "stand"
})
npc.proc.register_instruction("vegetarian:set_hunger", function(self, args)
self.data.global.hunger = args.value
end)
npc.proc.register_instruction("vegetarian:get_hunger", function(self, args)
return self.data.global.hunger
end)
npc.proc.register_instruction("sedentary:find_ground", function(self, args)
end)
-- npc.proc.register_instruction("vegetarian:check_can_ack_nearby_objs", function(self, args)
-- -- Random 50% chance
-- local chance = math.random(1, 100)
-- if chance < (100 - npc.eval(self, "@args.ack_nearby_objs_chance")) then
-- return false
-- end
-- local object = self.data.env.objects[self.data.proc[self.process.current.id].for_index]
-- if object then
-- local object_pos = object:get_pos()
-- local self_pos = self.object:get_pos()
-- return vector.distance(object_pos, self_pos) < npc.eval(self, "@args.ack_nearby_objs_dist")
-- and vector.distance(object_pos, self_pos) > 0
-- end
-- return false
-- end)
-- Generated programs
npc.proc.register_program("vegetarian:init", {
{name = "npc:var:set", args = {key = "hunger", value = 0, storage_type = "global"}, srcmap = 6},
{name = "npc:execute", args = {name = "sedentary:build"}, srcmap = 7}
})
npc.proc.register_program("sedentary:build", {
{name = "npc:var:set", args = {key = "walls_schematic", value = {{x=-1, y=0, z=0},{x=-2, y=0, z=0}, {x=-2, y=0, z=1},{x=-2, y=0, z=2}, {x=-2, y=0, z=3}, {x=-2, y=0, z=4},{x=-1, y=0, z=4},{x=0, y=0, z=4},{x=1, y=0, z=4},{x=2, y=0, z=4},{x=2, y=0, z=3},{x=2, y=0, z=2},{x=2, y=0, z=1},{x=2, y=0, z=0}, {x=1, y=0, z=0}}, storage_type = "local"}, srcmap = 18},
{name = "npc:var:set", args = {key = "furnace_pos", value = {x=1, y=1, z=2}, storage_type = "local"}, srcmap = 19},
{name = "npc:var:set", args = {key = "chest_pos", value = {x=1, y=1, z=3}, storage_type = "local"}, srcmap = 20},
{name = "npc:var:set", args = {key = "bed_pos", value = {x=-1, y=1, z=2}, storage_type = "local"}, srcmap = 21},
{key = "@local.nodes", name = "npc:env:node:find", args = {radius = 5, nodenames = {"default:diamondblock"}, nodenames = {"default:diamondblock"}}, srcmap = 23},
{name = "npc:jump_if", args = {expr = {left = "@local.nodes.length", op = ">", right = 0}, offset = true, negate = true, pos = 23}, srcmap = 24}, -- IF [6],
{key = "@local.random_index", name = "npc:random", args = {start = 1, ["end"] = "@local.nodes.length"}, srcmap = 25},
{name = "npc:var:set", args = {key = "chosen_node", value = "@local.nodes[@local.random_index]", storage_type = "local"}, srcmap = 26},
{name = "npc:move:walk_to_pos_ll", args = {target_pos = "@local.chosen_node", force_accessing_node = true}, srcmap = 27},
{name = "npc:env:node:place", args = {pos = "@local.chosen_node", node = "doors:door_wood_a", param2 = 0}, srcmap = 30},
{key = "@local.above", name = "npc:util:vector:add", args = {x = "@local.chosen_node", y = {x = 0, y = 1, z = 0}, y = {x = 0, y = 1, z = 0}}, srcmap = 31},
{name = "npc:env:node:place", args = {pos = "@local.above", node = "doors:hidden", param2 = 0}, srcmap = 32},
{name = "npc:var:set", args = {key = "start_y", value = 0, storage_type = "local"}, srcmap = 35},
{name = "npc:var:set", args = {key = "for_index", value = 1, storage_type = "local"}, srcmap = 37}, -- FOR start [1],
{name = "npc:var:set", args = {key = "schematic_pos", value = "@local.walls_schematic[@local.for_index]", storage_type = "local"}, srcmap = 38},
{name = "npc:var:set", args = {key = "schematic_pos[y]", value = {left = "@local.schematic_pos[y]", op = "+", right = 1}, storage_type = "local"}, srcmap = 39},
{key = "@local.next_pos", name = "npc:util:vector:add", args = {x = "@local.chosen_node", y = "@local.schematic_pos"}, srcmap = 40},
{name = "npc:env:node:place", args = {pos = "@local.next_pos", node = "default:wood"}, srcmap = 42},
{name = "npc:var:set", args = {key = "for_index", value = {left = "@local.for_index", op = "+", right = 1}, storage_type = "local"}, srcmap = 37},
{name = "npc:jump_if", args = {expr = {left = "@local.for_index", op = "<=", right = "@local.walls_schematic.length"}, negate = false, offset = true, pos = -6}, srcmap = 37}, -- FOR end [7],
{name = "npc:var:set", args = {key = "start_y", value = {left = "@local.start_y", op = "+", right = 1}, storage_type = "local"}, srcmap = 44},
{name = "npc:jump_if", args = {expr = {left = "@local.start_y", op = "<", right = 3}, negate = false, offset = true, pos = -9}, srcmap = 36}, -- WHILE end [16],
{key = "@local.next_pos", name = "npc:util:vector:add", args = {x = "@local.chosen_node", y = "@local.bed_pos"}, srcmap = 48},
{name = "npc:env:node:place", args = {pos = "@local.next_pos", node = "beds:bed_bottom"}, srcmap = 49},
{key = "@local.next_pos", name = "npc:util:vector:add", args = {x = "@local.chosen_node", y = "@local.furnace_pos"}, srcmap = 50},
{name = "npc:env:node:place", args = {pos = "@local.next_pos", node = "default:furnace"}, srcmap = 51},
{key = "@local.next_pos", name = "npc:util:vector:add", args = {x = "@local.chosen_node", y = "@local.chest_pos"}, srcmap = 52},
{name = "npc:env:node:place", args = {pos = "@local.next_pos", node = "default:chest"}, srcmap = 53},
{name = "npc:jump", args = {offset = true, pos = 1}, srcmap = 54}, -- ELSE [29],
{name = "npc:execute", args = {name = "vegetarian:wander"}, srcmap = 55}
})
npc.proc.register_program("vegetarian:idle", {
{name = "npc:move:stand", args = {}, srcmap = 49},
{name = "npc:var:set", args = {key = "hunger", value = {left = "@global.hunger", op = "+", right = 2}, storage_type = "global"}, srcmap = 50},
{name = "npc:jump_if", args = {expr = {left = "@global.hunger", op = ">=", right = 60}, offset = true, negate = true, pos = 1}, srcmap = 52}, -- IF [3],
{name = "npc:execute", args = {name = "vegetarian:feed"}, srcmap = 53},
{name = "npc:jump_if", args = {expr = {left = "@time", op = ">=", right = 20000}, offset = true, negate = true, pos = 1}, srcmap = 57}, -- IF [5],
{name = "npc:execute", args = {name = "vegetarian:sleep"}, srcmap = 58},
{name = "npc:var:set", args = {key = "should_ack_obj", value = "false", storage_type = "local"}, srcmap = 61},
{name = "npc:var:set", args = {key = "for_index", value = 1, storage_type = "local"}, srcmap = 62}, -- FOR start [8],
{key = "@local._inline_npc:random0", name = "npc:random", args = {start = 1, ["end"] = 100}},
{name = "npc:jump_if", args = {expr = {left = "@local._inline_npc:random0", op = ">=", right = {left = 100, op = "-", right = "@args.ack_nearby_objs_chance"}}, offset = true, negate = true, pos = 4}, srcmap = 63}, -- IF [2],
{name = "npc:var:set", args = {key = "obj", value = "@objs.get[@local.for_index]", storage_type = "local"}, srcmap = 64},
{name = "npc:jump_if", args = {expr = {left = "@local.obj", op = "~=", right = nil}, offset = true, negate = true, pos = 2}, srcmap = 65}, -- IF [2],
{key = "@local.dist", name = "npc:distance_to", args = {object = "@local.obj"}, srcmap = 66},
{name = "npc:var:set", args = {key = "should_ack_obj", value = {left = {left = "@local.dist", op = "<=", right = "@args.ack_nearby_objs_dist"}, op = "&&", right = {left = "@local.dist", op = ">", right = 0}}, storage_type = "local"}, srcmap = 67},
{name = "npc:jump_if", args = {expr = {left = "@local.should_ack_obj", op = "==", right = true}, offset = true, negate = true, pos = 9}, srcmap = 71}, -- IF [7],
{key = "@local.ack_times", name = "npc:random", args = {start = 15, ["end"] = 30}, srcmap = 72},
{name = "npc:var:set", args = {key = "for_index", value = 1, storage_type = "local"}, srcmap = 73}, -- FOR start [2],
{key = "@local.obj_pos", name = "npc:obj:get_pos", args = {object = "@local.obj"}, srcmap = 74},
{name = "npc:move:rotate", args = {target_pos = "@local.obj_pos"}, srcmap = 75},
{name = "npc:var:set", args = {key = "for_index", value = {left = "@local.for_index", op = "+", right = 1}, storage_type = "local"}, srcmap = 73},
{name = "npc:jump_if", args = {expr = {left = "@local.for_index", op = "<=", right = "@local.ack_times"}, negate = false, offset = true, pos = -4}, srcmap = 73}, -- FOR end [6],
{name = "npc:var:set", args = {key = "hunger", value = {left = "@global.hunger", op = "+", right = {left = "@local.ack_times", op = "*", right = 2}}, storage_type = "global"}, srcmap = 77},
{name = "npc:break", srcmap = 78},
{name = "npc:jump", args = {offset = true, pos = 3}, srcmap = 79}, -- ELSE [16],
{key = "@local._inline_npc:random0", name = "npc:random", args = {start = 1, ["end"] = 10}},
{name = "npc:jump_if", args = {expr = {left = "@local._inline_npc:random0", op = "<=", right = 5}, offset = true, negate = true, pos = 1}, srcmap = 80}, -- IF [2],
{name = "npc:execute", args = {name = "vegetarian:wander"}, srcmap = 81},
{name = "npc:var:set", args = {key = "for_index", value = {left = "@local.for_index", op = "+", right = 1}, storage_type = "local"}, srcmap = 62},
{name = "npc:jump_if", args = {expr = {left = "@local.for_index", op = "<=", right = "@objs.all.length"}, negate = false, offset = true, pos = -21}, srcmap = 62}, -- FOR end [29]
})
npc.proc.register_program("vegetarian:wander", {
{name = "npc:var:set", args = {key = "prev_dir", value = -1, storage_type = "local"}, srcmap = 90},
{key = "@local._inline_npc:random0", name = "npc:random", args = {start = 1, ["end"] = 5}},
{name = "npc:var:set", args = {key = "for_index", value = 1, storage_type = "local"}, srcmap = 91}, -- FOR start [3],
{key = "@local.cardinal_dir", name = "npc:random", args = {start = 0, ["end"] = 7}, srcmap = 92},
{key = "@local.cardinal_dir", name = "npc:random", args = {start = 0, ["end"] = 7}, srcmap = 94},
{name = "npc:jump_if", args = {expr = {left = "@local.cardinal_dir", op = "==", right = "@local.prev_dir"}, negate = false, offset = true, pos = -2}, srcmap = 93}, -- WHILE end [3],
{name = "npc:var:set", args = {key = "prev_dir", value = "@local.cardinal_dir", storage_type = "local"}, srcmap = 96},
{name = "npc:move:walk", args = {cardinal_dir = "@local.cardinal_dir"}, srcmap = 97},
{name = "npc:var:set", args = {key = "for_index", value = {left = "@local.for_index", op = "+", right = 1}, storage_type = "local"}, srcmap = 91},
{name = "npc:jump_if", args = {expr = {left = "@local.for_index", op = "<", right = "@local._inline_npc:random0"}, negate = false, offset = true, pos = -7}, srcmap = 91}, -- FOR end [10],
{name = "npc:move:stand", args = {}, srcmap = 99}
})
npc.proc.register_program("vegetarian:sleep", {
{key = "@local.bed_pos", name = "npc:env:node:find", args = {matches = "single", radius = 35, nodenames = {"beds:bed_bottom"}, nodenames = {"beds:bed_bottom"}}, srcmap = 103},
{name = "npc:jump_if", args = {expr = {left = "@local.bed_pos.length", op = ">", right = 0}, offset = true, negate = true, pos = 7}, srcmap = 104}, -- IF [2],
{name = "npc:execute", args = {name = "npc:walk_to_pos", args = {pos = "@local.bed_pos[1]"}, args = {pos = "@local.bed_pos[1]"}}, srcmap = 105},
{name = "npc:env:node:operate", args = {pos = "@local.bed_pos[1]"}, srcmap = 106},
{key = "_prev_proc_int", name = "npc:get_proc_interval"},
{name = "npc:set_proc_interval", args = {wait_time = 30, value = {left = 30, op = "-", right = "@local._prev_proc_int"}}},
{name = "npc:set_proc_interval", args = {value = "@local._prev_proc_int"}},
{name = "npc:jump_if", args = {expr = {left = {left = {left = "@time", op = ">", right = 20000}, op = "&&", right = {left = "@time", op = "<", right = 24000}}, op = "||", right = {left = "@time", op = "<", right = 6000}}, negate = false, offset = true, pos = -4}, srcmap = 107}, -- WHILE end [6],
{name = "npc:var:set", args = {key = "hunger", value = 60, storage_type = "global"}, srcmap = 110}
})
npc.proc.register_program("vegetarian:feed", {
{name = "npc:jump_if", args = {expr = {left = {left = {left = "@time", op = ">", right = 20000}, op = "&&", right = {left = "@time", op = "<=", right = 24000}}, op = "||", right = {left = "@time", op = "<", right = 6000}}, offset = true, negate = true, pos = 1}, srcmap = 118}, -- IF [1],
{name = "npc:exit"},
{key = "@local.nodes", name = "npc:env:node:find", args = {radius = 5, nodenames = {"default:grass_1", "default:grass_2", "default:grass_3", "default:grass_4", "default:grass_5"}, nodenames = {"default:grass_1", "default:grass_2", "default:grass_3", "default:grass_4", "default:grass_5"}}, srcmap = 122},
{name = "npc:jump_if", args = {expr = {left = "@local.nodes.length", op = ">", right = 0}, offset = true, negate = true, pos = 6}, srcmap = 123}, -- IF [4],
{key = "@local.random_index", name = "npc:random", args = {start = 1, ["end"] = "@local.nodes.length"}, srcmap = 124},
{name = "npc:var:set", args = {key = "chosen_node", value = "@local.nodes[@local.random_index]", storage_type = "local"}, srcmap = 125},
{name = "npc:execute", args = {name = "npc:walk_to_pos", args = {pos = "@local.chosen_node", force_accessing_node = true}, args = {pos = "@local.chosen_node", force_accessing_node = true}}, srcmap = 126},
{name = "npc:env:node:dig", args = {pos = "@local.chosen_node"}, srcmap = 127},
{name = "npc:var:set", args = {key = "hunger", value = {left = "@global.hunger", op = "-", right = 10}, storage_type = "global"}, srcmap = 128},
{name = "npc:jump", args = {offset = true, pos = 1}, srcmap = 129}, -- ELSE [10],
{name = "npc:execute", args = {name = "vegetarian:wander"}, srcmap = 130},
{name = "npc:jump_if", args = {expr = {left = "@global.hunger", op = ">=", right = 0}, negate = false, offset = true, pos = -12}, srcmap = 115}, -- WHILE end [12]
})
npc.proc.register_program("vegetarian:own", {
{name = "npc:env:nodes:set_owned", args = {value = "@args.value", pos = "@args.pos", categories = "@args.categories"}, srcmap = 136}
})
npc.proc.register_program("vegetarian:walk_to_owned", {
{key = "@local.target_node", name = "npc:env:node:store:get", args = {only_one = true, categories = "@args.categories"}, srcmap = 140},
{name = "npc:jump_if", args = {expr = {left = "@local.target_node", op = "~=", right = nil}, offset = true, negate = true, pos = 1}, srcmap = 141}, -- IF [2],
{name = "npc:execute", args = {name = "npc:walk_to_pos", args = {pos = "@local.target_node.pos", force_accessing_node = true}, args = {pos = "@local.target_node.pos", force_accessing_node = true}}, srcmap = 142}
})
-- npc.proc.register_program("vegetarian:own", {
-- {name = "npc:env:nodes:set_owned", args = {value = "@args.value", pos = "@args.pos", categories = "@args.categories"}, srcmap = 98}
-- }, "/home/hfranqui/minetest/mods/anpc_dev/vegetarian.anpcscript")
-- npc.proc.register_program("vegetarian:walk_to_owned", {
-- {key = "@local.target_node", name = "npc:env:node:store:get", args = {only_one = true, categories = "@args.categories"}, srcmap = 102},
-- {name = "npc:jump_if", args = {expr = {left = "@local.target_node", op = "~=", right = nil}, offset = true, negate = true, pos = 1}, srcmap = 103}, -- IF [2],
-- {name = "npc:execute", args = {name = "npc:walk_to_pos", args = {pos = "@local.target_node.pos", force_accessing_node = true}, args = {pos = "@local.target_node.pos", force_accessing_node = true}}, srcmap = 104}
-- }, "/home/hfranqui/minetest/mods/anpc_dev/vegetarian.anpcscript")
-- Wandering program
-- Try to do some smart wandering instead of just walking back and forth
-- The wandering have two approaches:
--[[
npc.proc.register_program("vegetarian:wander", {
{name = "npc:if", args = {
expr = {
left = "@args.pattern",
op = "==",
right = "MSL"
},
true_instructions = {
-- Save the starting position
{name = "npc:var:set", args = { key = "start_pos", value = "@self.pos_rounded" }},
-- Save the starting direction
{name = "npc:var:set", args = { key = "start_yaw", value = "@self.yaw" }},
{name = "npc:var:set", args = { key = "found_next_pos", value = false }},
{name = "npc:var:set", args = { key = "new_pos_tries", value = 0 }},
{name = "npc:while", args = {
expr = function(self, args)
return self.data.proc[self.process.current.id].new_pos_tries < 5
and self.data.proc[self.process.current.id].found_next_pos == false
end,
loop_instructions = {
-- Calculate a new direction
{name = "npc:var:set", args = { key = "new_yaw", value = function(self, args)
local dir = math.random(1, 3)
local yaw_change = 0
if dir == 1 then
yaw_change = -1 * (math.pi / 4)
elseif dir == 3 then
yaw_change = math.pi / 4
end
return self.object:get_yaw() + yaw_change
end}},
-- Calculate new position
{name="npc:var:set", args = { key = "new_pos", value = function(self, args)
local new_dir = minetest.yaw_to_dir(self.data.proc[self.process.current.id].new_yaw)
local distance = math.random(3, 7)
local self_pos = vector.round(self.object:get_pos())
return vector.round(vector.add(self_pos, vector.multiply(new_dir, distance)))
end}},
{name="npc:var:set", args = { key = "new_pos_tries", value = function(self, args)
return self.data.proc[self.process.current.id].new_pos_tries + 1
end}},
-- Check that new position is valid
{key = "found_next_pos", name = "npc:env:node:can_stand_in", args = {
pos = "@local.new_pos"
}}
}
}},
{name = "npc:if", args = {
expr = {
left = "@local.new_pos_tries",
op = "<=",
right = 5
},
true_instructions = {
-- Start walking on that direction
{name = "npc:execute", args = {
name = "builtin:walk_to_pos",
args = {
end_pos = "@local.new_pos",
}
}},
}
}}
}
}}
})
]]--
-- NPC
minetest.register_entity("anpc:vegetarian_npc", {
hp_max = 1,
visual = "mesh",
mesh = "character_anpc.b3d",
textures = {
"default_male.png",
},
visual_size = {x = 1, y = 1, z = 1},
collisionbox = {-0.20,0,-0.20, 0.20,1.8,0.20},
stepheight = 0.6,
physical = true,
on_activate = npc.on_activate,
get_staticdata = npc.get_staticdata,
on_step = npc.do_step,
on_rightclick = function(self, puncher)
minetest.log(dump(self))
end
})
-- Spawner item
-- minetest.register_craftitem("anpc:vegetarian_npc_spawner", {
-- description = "Vegetarian Spawner",
-- inventory_image = "default_grass.png",
-- on_use = function(itemstack, user, pointed_thing)
-- local spawn_pos = minetest.pointed_thing_to_face_pos(user, pointed_thing)
-- spawn_pos.y = spawn_pos.y
-- local entity = minetest.add_entity(spawn_pos, "anpc:vegetarian_npc")
-- if entity then
-- npc.proc.execute_program(entity:get_luaentity(), "vegetarian:init")
-- npc.proc.set_state_process(entity:get_luaentity(), "vegetarian:idle", {
-- ack_nearby_objs = true,
-- ack_nearby_objs_dist = 4,
-- ack_nearby_objs_chance = 50
-- })
-- else
-- minetest.remove_entity(entity)
-- end
-- end
-- })
-- minetest.register_craftitem("anpc:vegetarian_feed", {
-- description = "Feeder",
-- inventory_image = "default_apple.png",
-- on_use = function(itemstack, user, pointed_thing)
-- if pointed_thing.type == "object" then
-- local target_pos = minetest.find_node_near(user:get_pos(), 25, {"default:grass_1", "default:grass_2", "default:grass_3", "default:grass_4", "default:grass_5"})
-- npc.proc.execute_program(pointed_thing.ref:get_luaentity(), "builtin:walk_to_pos", {end_pos = target_pos})
-- --minetest.log(dump(pointed_thing.ref:get_luaentity()))
-- end
-- end
-- })
-- minetest.register_entity("anpc:vegetarian_npc2", {
-- hp_max = 1,
-- visual = "mesh",
-- mesh = "character_anpc.b3d",
-- textures = {
-- "default_male.png",
-- },
-- visual_size = {x = 1, y = 1, z = 1},
-- collisionbox = {-0.20,0,-0.20, 0.20,1.8,0.20},
-- stepheight = 0.6,
-- physical = true,
-- on_step = function(self, dtime)
-- if (self.is_jumping == true) then
-- self.timer = self.timer + dtime
-- local vel = self.object:get_velocity()
-- if (vel.y == 0) then
-- self.object:set_velocity({x=0, y=0, z=0})
-- self.is_jumping = false
-- minetest.log("Landed in: "..dump(self.timer))
-- end
-- end
-- if (self.is_dropping == true) then
-- local vel = self.object:get_velocity()
-- if vel.y == 0 and self.is_falling == true then
-- self.is_dropping = false
-- self.object:set_velocity({x=0, y=0, z=0})
-- minetest.log("Landed")
-- elseif vel.y < 0 and self.is_falling == false then
-- self.is_falling = true
-- minetest.log("Started falling")
-- end
-- end
-- end,
-- on_rightclick = function(self, puncher)
-- minetest.log(dump(self))
-- end
-- })
-- -- Spawner item
-- minetest.register_craftitem("anpc:vegetarian_npc_spawner2", {
-- description = "Vegetarian Spawner 2",
-- inventory_image = "default_glass.png",
-- on_use = function(itemstack, user, pointed_thing)
-- local spawn_pos = minetest.pointed_thing_to_face_pos(user, pointed_thing)
-- spawn_pos.y = spawn_pos.y
-- local entity = minetest.add_entity(spawn_pos, "anpc:vegetarian_npc2")
-- if entity then
-- entity:set_acceleration({x=0, y=-10, z=0})
-- else
-- minetest.remove_entity(entity)
-- end
-- end
-- })
--- For testing purposes ---
-- Ownership program
-- npc.proc.register_program("vegetarian:own", {
-- {name = "npc:env:node:set_owned", args = {
-- value = "@args.value",
-- pos = "@args.pos",
-- categories = "@args.categories"
-- }}
-- })
-- npc.proc.register_program("vegetarian:walk_to_owned", {
-- {key = "target_node", name = "npc:env:node:store:get", args = {
-- only_one = true,
-- categories = {"sign"}
-- }},
-- {name = "npc:if", args = {
-- expr = {
-- left = "@local.target_node",
-- op = "~=",
-- right = nil
-- },
-- true_instructions = {
-- {name = "npc:execute", args = {
-- name = "builtin:walk_to_pos",
-- args = {
-- end_pos = function(self, args)
-- return self.data.proc[self.process.current.id]["target_node"].pos
-- end,
-- force_accessing_node = true
-- }
-- }}
-- }
-- }}
-- })
-- -- Owner item
-- minetest.register_craftitem("anpc:vegetarian_owner", {
-- description = "Owner\nGives the NPC ownership of the last clicked node",
-- inventory_image = "default_apple.png",
-- on_use = function(itemstack, user, pointed_thing)
-- if pointed_thing.type == "object" then
-- local meta = user:get_meta()
-- local pos = minetest.deserialize(meta:get_string("target_pos"))
-- npc.proc.execute_program(pointed_thing.ref:get_luaentity(), "vegetarian:own", {
-- value = true,
-- pos = pos,
-- -- Please notice that categories are arbitrary
-- categories = {"sign"}
-- })
-- minetest.log("self.data.env.nodes: "..dump(pointed_thing.ref:get_luaentity().data))
-- elseif pointed_thing.type == "node" then
-- local meta = user:get_meta()
-- minetest.log("Pointed thing: "..dump(pointed_thing))
-- minetest.log("The pointed: "..dump(minetest.get_node(pointed_thing.under)))
-- meta:set_string("target_pos", minetest.serialize(pointed_thing.under))
-- end
-- end
-- })
-- minetest.register_craftitem("anpc:vegetarian_walk_to_owned", {
-- description = "Walk-to-owned\nWalk to an owned node",
-- inventory_image = "default_apple.png",
-- on_use = function(itemstack, user, pointed_thing)
-- if pointed_thing.type == "object" then
-- --local user_meta = user:get_meta()
-- --local pos = minetest.deserialize(meta:get_string("target_pos"))
-- minetest.log("self.data.env.nodes: "..dump(pointed_thing.ref:get_luaentity().data.env.nodes))
-- npc.proc.execute_program(pointed_thing.ref:get_luaentity(), "vegetarian:walk_to_owned", {})
-- end
-- end
-- })
-- minetest.register_craftitem("anpc:vegetarian_follower", {
-- description = "Follower\nMakes the NPC follow the player",
-- inventory_image = "default_apple.png",
-- on_use = function(itemstack, user, pointed_thing)
-- if pointed_thing.type == "object" then
-- local entity = pointed_thing.ref:get_luaentity()
-- -- Toggle between follow and idle
-- if entity.process.state.name == "npc:follow" then
-- npc.proc.set_state_process(entity, "vegetarian:idle", {
-- ack_nearby_objs = true,
-- ack_nearby_objs_dist = 4,
-- ack_nearby_objs_chance = 50
-- }, true)
-- else
-- npc.proc.set_state_process(entity, "npc:follow", {object = user}, true)
-- end
-- end
-- end
-- })
-- minetest.register_craftitem("anpc:vegetarian_jump", {
-- description = "Jumper",
-- inventory_image = "default_apple.png",
-- on_use = function(itemstack, user, pointed_thing)
-- if pointed_thing.type == "object" then
-- local entity = pointed_thing.ref:get_luaentity()
-- local dir = {x=1, y=0, z=0}
-- local range = 1
-- local self_pos = vector.round(entity.object:get_pos())
-- local next_pos_front = {x = self_pos.x, y = self_pos.y, z = self_pos.z + 1}
-- local next_pos_below = {x = self_pos.x, y = self_pos.y - 1, z = self_pos.z + 1}
-- local next_y_diff = 0
-- local next_nod = minetest.get_node(next_pos_front)
-- if (next_nod.name ~= "air" and minetest.registered_nodes[next_nod.name].walkable == true) then
-- next_y_diff = 1
-- range = 2
-- else
-- next_nod = minetest.get_node(next_pos_below)
-- if (next_nod.name == "air") then
-- range = 0.5
-- next_y_diff = -1
-- end
-- end
-- local mid_point = (entity.collisionbox[5] - entity.collisionbox[2]) / 2
-- -- Based on range, doesn't takes time into account
-- local y_speed = math.sqrt ( (10 * range) / (math.sin(2 * (math.pi / 3))) ) + mid_point
-- entity.is_jumping = true
-- if (next_y_diff == -1) then y_speed = 0 end
-- local x_speed = 1
-- if (next_y_diff == -1) then
-- x_speed = 1 / (math.sqrt( (2 + mid_point) / (10) ))
-- entity.is_dropping = true
-- entity.is_jumping = false
-- entity.is_falling = false
-- end
-- -- local initial_y = self_pos.y + mid_point
-- -- local target_y = self_pos.y + mid_point + next_y_diff
-- -- local y_speed = target_y + 5 - initial_y
-- minetest.log("This is y_speed: "..dump(y_speed))
-- minetest.log("This is x speed: "..dump(x_speed))
-- entity.object:set_pos(vector.round(entity.object:get_pos()))
-- local vel = {x=0, y=y_speed, z=x_speed}
-- entity.object:set_velocity(vel)
-- entity.timer = 0
-- end
-- end
-- })