mods/mob/interaction_code.lua

   1 --this is the file which houses the functions that control how mobs interact with the world
   2
   3 --this controls how fast the mob punches
   4 mob.manage_punch_timer = function(self,dtime)
   5         if self.punch_timer > 0 then
   6                 self.punch_timer = self.punch_timer - dtime
   7         end
   8         --this controls how fast you can punch the mob (punched timer reset)
   9         if self.punched_timer > 0 then
  10                 --print(self.punched_timer)
  11                 self.punched_timer = self.punched_timer - dtime
  12         end
  13 end
  14
  15
  16 --this controls what happens when the mob gets punched
  17 mob.on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
  18         local hp = self.object:get_hp()
  19
  20         if (self.punched_timer <= 0 and hp > 1) or puncher == self.object then
  21                 self.punched_timer = 0.8
  22                 local hurt = tool_capabilities.damage_groups.fleshy
  23                 if not hurt then
  24                         hurt = 1
  25                 end
  26
  27                 self.object:set_hp(hp-hurt)
  28                 if hp > 1 then
  29                         minetest.sound_play("pig", {object=self.object, gain = 1.0, max_hear_distance = 60,pitch = math.random(80,100)/100})
  30                 end
  31
  32                 self.hp = hp-hurt
  33
  34
  35                 self.direction = vector.multiply(dir,-1)
  36                 self.speed = 5
  37
  38                 dir = vector.multiply(dir,10)
  39                 dir.y = 4
  40                 self.object:add_velocity(dir)
  41         elseif self.punched_timer <= 0 and self.death_animation_timer == 0 then
  42                 self.death_animation_timer = 1
  43                 minetest.sound_play("pig_die", {object=self.object, gain = 1.0, max_hear_distance = 60,pitch = math.random(80,100)/100})
  44         end
  45 end
  46
  47 --this is what happens when a mob diese
  48 mob.on_death = function(self, killer)
  49         local pos = self.object:getpos()
  50         --pos.y = pos.y + 0.4
  51         minetest.sound_play("mob_die", {pos = pos, gain = 1.0})
  52         minetest.add_particlespawner({
  53                 amount = 40,
  54                 time = 0.001,
  55                 minpos = pos,
  56                 maxpos = pos,
  57                 minvel = vector.new(-5,-5,-5),
  58                 maxvel = vector.new(5,5,5),
  59                 minacc = {x=0, y=0, z=0},
  60                 maxacc = {x=0, y=0, z=0},
  61                 minexptime = 1.1,
  62                 maxexptime = 1.5,
  63                 minsize = 1,
  64                 maxsize = 2,
  65                 collisiondetection = false,
  66                 vertical = false,
  67                 texture = "smoke.png",
  68         })
  69         local obj = minetest.add_item(pos,"mob:raw_porkchop")
  70         self.child:get_luaentity().parent = nil
  71 end
  72
  73 --this makes the mob rotate and then die
  74 mob.manage_death_animation = function(self,dtime)
  75         if self.death_animation_timer > 0 then
  76                 self.death_animation_timer = self.death_animation_timer - dtime
  77
  78                 local self_rotation = self.object:get_rotation()
  79
  80                 if self_rotation.x < math.pi/2 then
  81                         self_rotation.x = self_rotation.x + (dtime*2)
  82                         self.object:set_rotation(self_rotation)
  83                 end
  84
  85                 --print(self.death_animation_timer)
  86                 local currentvel = self.object:getvelocity()
  87                 local goal = vector.new(0,0,0)
  88                 local acceleration = vector.new(goal.x-currentvel.x,0,goal.z-currentvel.z)
  89                 acceleration = vector.multiply(acceleration, 0.05)
  90                 self.object:add_velocity(acceleration)
  91                 self.object:set_animation({x=0,y=0}, 15, 0, true)
  92                 self.return_head_to_origin(self)
  93
  94                 if self.death_animation_timer < 0 then
  95                         print("dead")
  96                         self.object:punch(self.object, 2,
  97                                                 {
  98                                                 full_punch_interval=1.5,
  99                                                 damage_groups = {fleshy=2},
 100                                         })
 101                 end
 102         end
 103 end