451 lines
13 KiB
Lua
451 lines
13 KiB
Lua
mobs = {}
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function mobs:register_mob(name, def)
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minetest.register_entity(name, {
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hp_max = def.hp_max,
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physical = true,
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collisionbox = def.collisionbox,
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collide_with_objects = def.collide_with_objects,
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visual = def.visual,
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visual_size = def.visual_size,
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mesh = def.mesh,
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textures = def.textures,
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makes_footstep_sound = def.makes_footstep_sound,
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view_range = def.view_range,
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walk_velocity = def.walk_velocity,
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run_velocity = def.run_velocity,
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damage = def.damage,
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light_damage = def.light_damage,
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water_damage = def.water_damage,
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lava_damage = def.lava_damage,
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disable_fall_damage = def.disable_fall_damage,
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drops = def.drops,
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armor = def.armor,
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drawtype = def.drawtype,
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on_rightclick = def.on_rightclick,
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type = def.type,
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attack_type = def.attack_type,
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arrow = def.arrow,
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shoot_interval = def.shoot_interval,
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sounds = def.sounds,
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animation = def.animation,
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follow = def.follow,
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jump = def.jump or true,
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timer = 0,
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env_damage_timer = 0, -- only if state = "attack"
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attack = nil,
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state = "stand",
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v_start = false,
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old_y = nil,
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lifetimer = 600, --10 min
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tamed = false,
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set_velocity = function(self, v)
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local yaw = self.object:getyaw()
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if self.drawtype == "side" then
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yaw = yaw+(math.pi/2)
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end
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local x = math.sin(yaw) * -v
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local z = math.cos(yaw) * v
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self.object:setvelocity({x =x, y = self.object:getvelocity().y, z =z})
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end,
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get_velocity = function(self)
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local v = self.object:getvelocity()
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return (v.x^ 2 + v.z^ 2) ^(0.5)
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end,
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set_animation = function(self, type)
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if not self.animation then
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return
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end
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if not self.animation.current then
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self.animation.current = ""
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end
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if self.animation.current == type then
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return
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end
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if type == "stand" then
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if self.animation.stand_start
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and self.animation.stand_end
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and self.animation.speed_normal then
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self.object:set_animation(
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{x = self.animation.stand_start, y = self.animation.stand_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "stand"
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end
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elseif type == "walk" then
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if self.animation.walk_start
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and self.animation.walk_end
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and self.animation.speed_normal then
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self.object:set_animation(
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{x = self.animation.walk_start, y = self.animation.walk_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "walk"
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end
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elseif type == "run" then
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if self.animation.run_start
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and self.animation.run_end
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and self.animation.speed_run then
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self.object:set_animation(
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{x = self.animation.run_start, y = self.animation.run_end},
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self.animation.speed_run, 0
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)
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self.animation.current = "run"
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end
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elseif type == "punch" then
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if self.animation.punch_start
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and self.animation.punch_end
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and self.animation.speed_normal then
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self.object:set_animation(
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{x = self.animation.punch_start, y = self.animation.punch_end},
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self.animation.speed_normal, 0
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)
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self.animation.current = "punch"
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end
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end
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end,
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on_step = function(self, dtime)
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self.lifetimer = self.lifetimer - dtime
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if self.lifetimer <= 0 and not self.tamed then
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local player_count = 0
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for _,obj in ipairs(minetest.get_objects_inside_radius(self.object:getpos(), 12)) do
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if obj:is_player() then
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player_count = player_count + 1
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end
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end
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if player_count == 0 and self.state ~= "attack" then
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self.object:remove()
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return
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end
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end
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if self.object:getvelocity().y > 0.1 then
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local yaw = self.object:getyaw()
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if self.drawtype == "side" then
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yaw = yaw+(math.pi/2)
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end
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local x = math.sin(yaw) * -2
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local z = math.cos(yaw) * 2
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if minetest.get_item_group(minetest.get_node(self.object:getpos()).name, "water") ~= 0 then
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self.object:setacceleration({x = x, y = 1.5, z = z})
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else
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self.object:setacceleration({x = x, y = -14.5, z = z})
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end
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else
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if minetest.get_item_group(minetest.get_node(self.object:getpos()).name, "water") ~= 0 then
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self.object:setacceleration({x = 0, y = 1.5, z = 0})
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else
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self.object:setacceleration({x = 0, y = -14.5, z = 0})
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end
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end
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self.timer = self.timer + dtime
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if self.state ~= "attack" then
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if self.timer < 1.0 then return end
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self.timer = 0
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end
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local do_env_damage = function(self)
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local pos = self.object:getpos()
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local n = minetest.get_node(pos)
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if self.light_damage and self.light_damage ~= 0
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and pos.y > 0
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and minetest.get_node_light(pos)
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and minetest.get_node_light(pos) > 4
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and minetest.get_timeofday() > 0.2
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and minetest.get_timeofday() < 0.8
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then
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self.object:set_hp(self.object:get_hp()-self.light_damage)
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minetest.sound_play("player_damage", {object = self.object, gain = 0.25})
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if self.object:get_hp() <= 0 then
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minetest.sound_play("player_death", {object = self.object, gain = 0.4})
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self.object:remove()
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end
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end
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if self.water_damage and self.water_damage ~= 0 and
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minetest.get_item_group(n.name, "water") ~= 0
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then
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self.object:set_hp(self.object:get_hp()-self.water_damage)
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minetest.sound_play("player_damage", {object = self.object, gain = 0.25})
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if self.object:get_hp() <= 0 then
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minetest.sound_play("player_death", {object = self.object, gain = 0.4})
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self.object:remove()
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end
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end
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if self.lava_damage and self.lava_damage ~= 0 and
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minetest.get_item_group(n.name, "lava") ~= 0
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then
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self.object:set_hp(self.object:get_hp()-self.lava_damage)
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minetest.sound_play("player_damage", {object = self.object, gain = 0.25})
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if self.object:get_hp() <= 0 then
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minetest.sound_play("player_death", {object = self.object, gain = 0.4})
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self.object:remove()
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end
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end
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end
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self.env_damage_timer = self.env_damage_timer + dtime
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if self.state == "attack" and self.env_damage_timer > 0.9 then
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self.env_damage_timer = 0
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do_env_damage(self)
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elseif self.state ~= "attack" then
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do_env_damage(self)
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end
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local s = self.object:getpos()
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local p, vec, dist = false, false, false
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if self.type == "monster" and not self.attack then
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for _,player in ipairs(minetest.get_connected_players()) do
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if not dist then
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p = player:getpos()
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vec = vector.subtract(p, s)
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dist = (vec.x ^ 2 + vec.y ^ 2 + vec.z ^ 2) ^ 0.5
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end
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if dist < self.view_range then
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self.state = "attack"
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self.attack = player
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break
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else
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dist = false
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end
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end
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end
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if self.follow ~= "" and not self.following then
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for _,player in ipairs(minetest.get_connected_players()) do
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if not dist then
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p = player:getpos()
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vec = vector.subtract(p, s)
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dist = (vec.x ^ 2 + vec.y ^ 2 + vec.z ^ 2) ^ 0.5
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end
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if dist < self.view_range then
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self.following = player
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break
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else
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dist = false
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end
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end
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end
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if self.following then
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if self.following:get_wielded_item():get_name() ~= self.follow then
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self.following = nil
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else
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if not dist then
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p = self.following:getpos()
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if not p then
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self.following = nil
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return
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end
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vec = vector.subtract(p, s)
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dist = (vec.x ^ 2 + vec.y ^ 2 + vec.z ^ 2) ^ 0.5
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end
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if dist > self.view_range then
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self.following = nil
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self.v_start = false
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else
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local yaw = math.atan(vec.z/vec.x)+math.pi/2
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if self.drawtype == "side" then
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yaw = yaw + (math.pi/2)
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end
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if p.x > s.x then
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yaw = yaw + math.pi
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end
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self.object:setyaw(yaw)
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if dist > 2.2 then
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if not self.v_start then
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self.v_start = true
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self:set_velocity(self.walk_velocity)
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else
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if self:get_velocity() <= 0.38 and self.object:getvelocity().y == 0 then
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local v = self.object:getvelocity()
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v.y = 8
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self.object:setvelocity(v)
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end
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self:set_velocity(self.walk_velocity)
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end
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self:set_animation("walk")
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else
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self.v_start = false
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self:set_velocity(0)
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self:set_animation("stand")
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end
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return
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end
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end
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end
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if self.state == "stand" then
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if math.random(1, 4) == 1 then
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self.object:setyaw(self.object:getyaw()+((math.random(0,360)- 14.50)/180*math.pi))
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end
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self:set_velocity(0)
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self:set_animation("stand")
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if math.random(1, 100) <= 50 then
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self:set_velocity(self.walk_velocity)
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self.state = "walk"
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self:set_animation( "walk")
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end
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elseif self.state == "walk" then
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if math.random(1, 100) <= 30 then
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self.object:setyaw(self.object:getyaw()+((math.random(0,360)- 14.50)/180*math.pi))
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end
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if self:get_velocity() < 0.2 and self.object:getvelocity().y == 0 then
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local v = self.object:getvelocity()
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v.y = 8
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self.object:setvelocity(v)
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end
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self:set_animation("walk")
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self:set_velocity(self.walk_velocity)
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if math.random(1, 100) <= 30 then
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self:set_velocity(0)
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self.state = "stand"
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self:set_animation("stand")
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end
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elseif self.state == "attack" then
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if not self.attack then
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self.state = "stand"
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self:set_animation("stand")
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return
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end
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if not dist then
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p = self.attack:getpos()
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if not p then
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self.attack = nil
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return
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end
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vec = vector.subtract(p, s)
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dist = (vec.x ^ 2 + vec.y ^ 2 + vec.z ^ 2) ^ 0.5
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end
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if dist > self.view_range or self.attack:get_hp() <= 0 then
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self.state = "stand"
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self.v_start = false
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self:set_velocity(0)
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self.attack = nil
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self:set_animation("stand")
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return
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end
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local yaw = math.atan(vec.z/vec.x)+math.pi/2
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if self.drawtype == "side" then
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yaw = yaw+(math.pi/2)
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end
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if p.x > s.x then
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yaw = yaw+math.pi
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end
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self.object:setyaw(yaw)
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if dist > 2.2 then
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if not self.v_start then
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self.v_start = true
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self:set_velocity(self.run_velocity)
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else
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if self:get_velocity() < 0.5 and self.object:getvelocity().y == 0 then
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local v = self.object:getvelocity()
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v.y = 8
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self.object:setvelocity(v)
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end
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self:set_velocity(self.run_velocity)
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end
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self:set_animation("run")
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else
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self:set_velocity(0)
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self:set_animation("punch")
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self.v_start = false
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if self.timer > 1.0 then
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self.timer = 0
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minetest.sound_play("mobs_punch", {object = self.object, gain = 1})
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self.attack:punch(self.object, 1.0, {
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full_punch_interval = 1.0,
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damage_groups = {fleshy = self.damage}
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}, vec)
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end
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end
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end
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end,
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on_activate = function(self, staticdata, dtime_s)
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self.object:set_armor_groups({fleshy = self.armor})
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self.object:setacceleration({x = 0, y = -14.5, z = 0})
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self.state = "stand"
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self.object:setvelocity({x = 0, y = self.object:getvelocity().y, z = 0})
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self.object:setyaw(math.random(1, 360) / 180 * math.pi)
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self.lifetimer = self.lifetimer - dtime_s
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if staticdata then
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local tmp = minetest.deserialize(staticdata)
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if tmp and tmp.lifetimer then
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self.lifetimer = tmp.lifetimer - dtime_s
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end
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if tmp and tmp.tamed then
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self.tamed = tmp.tamed
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end
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end
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if self.lifetimer <= 0 and not self.tamed then
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self.object:remove()
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end
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end,
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get_staticdata = function(self)
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local tmp = {
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lifetimer = self.lifetimer,
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tamed = self.tamed,
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}
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return minetest.serialize(tmp)
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end,
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on_punch = function(self, hitter)
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local hp = self.object:get_hp()
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if hp >= 1 then
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minetest.sound_play("player_damage", {object = self.object, gain = 0.25})
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minetest.sound_play("hit", {pos = hitter:getpos(), gain = 0.4})
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end
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local y = self.object:getvelocity().y
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if y <= 0 then
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self.object:setvelocity({x = 0, y = y + 4.5, z = 0})
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end
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if hp <= 0 then
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if hitter and hitter:is_player() and hitter:get_inventory() then
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local pos = self.object:getpos()
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minetest.sound_play("player_death", {object = self.object, gain = 0.4})
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minetest.sound_play("hit_death", {pos = hitter:getpos(), gain = 0.4})
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for _,drop in ipairs(self.drops) do
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if math.random(1, drop.chance) == 1 then
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hitter:get_inventory():add_item("main", ItemStack(drop.name .. " " .. math.random(drop.min, drop.max)))
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end
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end
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end
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end
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end,
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})
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end
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mobs.spawning_mobs = {}
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function mobs:register_spawn(name, description, nodes, max_light, min_light, chance, active_object_count, max_height, spawn_func)
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mobs.spawning_mobs[name] = true
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minetest.register_abm({
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nodenames = nodes,
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neighbors = {"air"},
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interval = 20,
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chance = chance,
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action = function(pos, node, _, active_object_count_wider)
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if active_object_count_wider > active_object_count then return end
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if not mobs.spawning_mobs[name] then return end
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pos.y = pos.y + 1
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if minetest.get_node(pos).name ~= "air" then return end
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if pos.y > max_height then return end
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if not minetest.get_node_light(pos) then return end
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if minetest.get_node_light(pos) > max_light then return end
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if minetest.get_node_light(pos) < min_light then return end
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if spawn_func and not spawn_func(pos, node) then return end
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minetest.add_entity(pos, name)
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end
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})
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end |