forked from mtcontrib/maidroid
76 lines
2.5 KiB
Lua
76 lines
2.5 KiB
Lua
------------------------------------------------------------
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-- Copyright (c) 2016 tacigar
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-- https://github.com/tacigar/maidroid
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------------------------------------------------------------
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local util = maidroid.util
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local _aux = maidroid.modules._aux
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local state = { idle = 0, chase = 1}
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local view_of_range = 7
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local stop_of_range = 2
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maidroid.register_module("maidroid:chasing_player_module", {
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description = "Maidroid Module : Chasing Player",
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inventory_image = "maidroid_chasing_player_module.png",
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initialize = function(self)
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self.state = state.idle
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self.object:setacceleration{x = 0, y = -10, z = 0}
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self.object:setvelocity{x = 0, y = 0, z = 0}
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end,
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finalize = function(self)
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self.state = nil
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self.object:setvelocity{x = 0, y = 0, z = 0}
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end,
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on_step = function(self, dtime)
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local pos = self.object:getpos()
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local all_objects = minetest.get_objects_inside_radius(pos, view_of_range)
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local player = nil
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for _, obj in pairs(all_objects) do
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if obj:is_player() then player = obj; break end
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end
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if not player then
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self.object:set_animation(maidroid.animations.stand, 15, 0)
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self.state = state.idle
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return
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end
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local ppos = player:getpos()
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local dir = vector.subtract(ppos, pos)
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local vel = self.object:getvelocity()
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if (vector.length(dir) < stop_of_range) then
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if self.state == state.chase then
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self.object:set_animation(maidroid.animations.stand, 15, 0)
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self.state = state.idle
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self.object:setvelocity({x = 0, y = vel.y, z = 0})
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end
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else
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if self.state == state.idle then
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self.object:set_animation(maidroid.animations.walk, 15, 0)
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self.state = state.chase
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end
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self.object:setvelocity({x = dir.x, y = vel.y, z = dir.z})
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end
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local yaw = math.atan2(dir.z, dir.x) + math.pi/2
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self.object:setyaw(yaw)
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-- jump process
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if vel.y == 0 and self.state == state.chase then
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local rdir = vector.round(dir)
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local front_vec = { x = 0, y = 0, z = 0 }
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if math.abs((rdir.x / (math.abs(rdir.x) + math.abs(rdir.z)))) > 0.5 then
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if rdir.x > 0 then front_vec.x = 1 else front_vec.x = -1 end
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end
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if math.abs((rdir.z / (math.abs(rdir.x) + math.abs(rdir.z)))) > 0.5 then
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if rdir.z > 0 then front_vec.z = 1 else front_vec.z = -1 end
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end
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local front_pos = vector.add(vector.round(pos), front_vec)
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if minetest.get_node(front_pos).name ~= "air" then
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self.object:setvelocity({x = dir.x, y = 5, z = dir.z})
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end
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end
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end,
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})
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