2 mobs.create_movement_functions = function(def,mob_register)
4 mob_register.swim = function(self,dtime)
5 local pos = self.object:get_pos()
7 local node = minetest.get_node(pos).name
9 if node == "main:water" or node =="main:waterflow" then
10 local vel = self.object:getvelocity()
12 local acceleration = vector.new(0,goal-vel.y,0)
13 --jump out of the water
14 if (vel.x == 0 and self.direction.x ~= 0) or (vel.z == 0 and self.direction.z ~= 0) then
15 self.object:set_velocity(vector.new(vel.x,5,vel.z))
18 self.object:add_velocity(acceleration)
24 local get_group = minetest.get_item_group
25 local get_node = minetest.get_node
26 mob_register.hurt_inside = function(self,dtime)
27 if self.hp > 0 and self.hurt_inside_timer <= 0 then
28 local pos = self.object:get_pos()
29 local hurty = get_group(get_node(pos).name, "hurt_inside")
31 self.object:punch(self.object, 2,
33 full_punch_interval=1.5,
34 damage_groups = {damage=hurty},
38 self.hurt_inside_timer = self.hurt_inside_timer - dtime
42 --This makes the mob walk at a certain speed and jump
43 if def.movement_type == "walk" then
44 mob_register.move = function(self,dtime,moveresult)
45 self.manage_jump_timer(self,dtime)
46 self.timer = self.timer - dtime
49 self.jump(self,moveresult)
55 --direction state change
56 if self.timer <= 0 and not self.following == true then
57 --print("changing direction")
58 self.timer = math.random(2,7)
59 self.direction = vector.new(math.random()*math.random(-1,1),0,math.random()*math.random(-1,1))
60 --local yaw = self.object:get_yaw() + dtime
61 self.speed = math.random(0,self.max_speed)
62 --self.object:set_yaw(yaw)
65 self.hurt_inside(self,dtime)
67 local currentvel = self.object:get_velocity()
68 local goal = vector.multiply(self.direction,self.speed)
69 local acceleration = vector.new(goal.x-currentvel.x,0,goal.z-currentvel.z)
70 acceleration = vector.multiply(acceleration, 0.05)
71 self.object:add_velocity(acceleration)
73 mob_register.jump = function(self,moveresult)
74 if moveresult and moveresult.touching_ground and self.direction then
75 local pos = self.object:get_pos()
77 --assume collisionbox is even x and z
78 local modifier = self.object:get_properties().collisionbox[4]*3
81 local pos2 = vector.add(vector.multiply(self.direction,modifier),pos)
83 local ray = minetest.raycast(pos, pos2, false, false)
86 local pointed_thing = ray:next()
88 if minetest.get_nodedef(minetest.get_node(pointed_thing.under).name, "walkable") then
89 minetest.add_particle({
90 pos = pointed_thing.intersection_point,
91 velocity = {x=0, y=0, z=0},
92 acceleration = {x=0, y=0, z=0},
97 local vel = self.object:get_velocity()
98 self.jump_timer = 1+math.random()
99 self.object:set_velocity(vector.new(vel.x,5,vel.z))
105 elseif def.movement_type == "jump" then
106 mob_register.move = function(self,dtime,moveresult)
107 self.manage_jump_timer(self,dtime)
108 self.timer = self.timer - dtime
111 self.jump(self,moveresult)
114 self.swim(self,dtime)
117 --direction state change
118 if self.timer <= 0 and not self.following == true then
119 --print("changing direction")
120 self.timer = math.random(2,7)
121 self.direction = vector.new(math.random()*math.random(-1,1),0,math.random()*math.random(-1,1))
122 --local yaw = self.object:get_yaw() + dtime
123 self.speed = math.random(0,self.max_speed)
124 --self.object:set_yaw(yaw)
127 self.hurt_inside(self,dtime)
129 local currentvel = self.object:get_velocity()
130 if currentvel.y ~= 0 then
131 local goal = vector.multiply(self.direction,self.speed)
132 local acceleration = vector.new(goal.x-currentvel.x,0,goal.z-currentvel.z)
133 acceleration = vector.multiply(acceleration, 0.05)
134 self.object:add_velocity(acceleration)
138 mob_register.jump = function(self,moveresult)
139 if moveresult and moveresult.touching_ground and self.direction then
140 if self.make_jump_noise then
141 minetest.sound_play("slime_splat", {object=self.object, gain = 1.0, max_hear_distance = 10,pitch = math.random(80,100)/100})
143 local vel = self.object:get_velocity()
144 self.object:set_velocity(vector.new(vel.x,5,vel.z))
145 if self.jump_timer <= 0 then
146 if self.hostile == true then
147 self.jump_timer = 0.5
149 self.jump_timer = 1+math.random()
152 self.object:set_velocity(vector.new(0,0,0))
158 if def.pathfinds then