d75c3c83f2
In concorance with the CLA, I'm relicensing this according to the exact rules in there that permit this. Henceforth this project is fully compatible with other MT projects and consistently licensed.
125 lines
2.8 KiB
Lua
125 lines
2.8 KiB
Lua
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--[[
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Copyright (c) 2016-2019 - Auke Kok <sofar@foo-projects.org>
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* entity_ai is licensed as follows:
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- All code is: LGPL-2.1
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- All artwork is: CC-BY-SA-4.0
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--]]
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entity_ai.register_finder("find_habitat", function(self)
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local pos = self.object:getpos()
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local minp, maxp = vector.sort({
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x = math.random(pos.x - 10, pos.x + 10),
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y = pos.y - 5,
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z = math.random(pos.z - 10, pos.z + 10)
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}, {
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x = math.random(pos.x - 10, pos.x + 10),
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y = pos.y + 5,
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z = math.random(pos.z - 10, pos.z + 10)
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})
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local nodes = minetest.find_nodes_in_area_under_air(minp, maxp, self.driver:get_property("habitatnodes"))
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if #nodes == 0 then
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return nil
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end
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local pick = nodes[math.random(1, #nodes)]
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-- find top walkable node
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while true do
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local node = minetest.get_node(pick)
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if not minetest.registered_nodes[node.name].walkable then
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pick.y = pick.y - 1
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else
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-- one up at the end
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pick.y = pick.y + 1
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break
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end
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end
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-- move to the top surface of pick
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if not pick then
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return nil
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end
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--[[ minetest.add_particle({
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pos = {x = pick.x, y = pick.y - 0.1, z = pick.z},
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velocity = vector.new(),
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acceleration = vector.new(),
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expirationtime = 3,
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size = 6,
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collisiondetection = false,
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vertical = false,
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texture = "wool_red.png",
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playername = nil
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})
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--]]
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return pick
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end)
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entity_ai.register_finder("flee_attacker", function(self)
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local state = self.entity_ai_state
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local from = state.attacked_at
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if state.attacker and state.attacker ~= "" then
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local player = minetest.get_player_by_name(state.attacker)
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if player then
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from = player:getpos()
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end
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end
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if not from then
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from = self.object:getpos()
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state.attacked_at = from
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end
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from = vector.round(from)
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local pos = self.object:getpos()
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local dir = vector.subtract(pos, from)
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dir = vector.normalize(dir)
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dir = vector.multiply(dir, 10)
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local to = vector.add(pos, dir)
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local nodes = minetest.find_nodes_in_area_under_air(
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vector.subtract(to, 4),
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vector.add(to, 4),
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{"group:crumbly", "group:cracky", "group:stone"})
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if #nodes == 0 then
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-- failed to get a target, just run away from attacker?!
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print("No target found, stopped")
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return
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end
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-- find top walkable node
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local pick = nodes[math.random(1, #nodes)]
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while true do
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local node = minetest.get_node(pick)
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if not minetest.registered_nodes[node.name].walkable then
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pick.y = pick.y - 1
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else
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-- one up at the end
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pick.y = pick.y + 1
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break
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end
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end
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-- move to the top surface of pick
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if not pick then
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return false
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end
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--[[
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minetest.add_particle({
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pos = {x = pick.x, y = pick.y - 0.1, z = pick.z},
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velocity = vector.new(),
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acceleration = vector.new(),
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expirationtime = 3,
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size = 6,
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collisiondetection = false,
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vertical = false,
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texture = "wool_red.png",
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playername = nil
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})
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--]]
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return pick
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end)
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