mods/mob/flying_pig/flying_piginit.lua

   1 --these are helpers to create entities
   2 flying_pig = {}
   3
   4 flying_pig.initial_properties = {
   5         physical = true,
   6         collide_with_objects = false,
   7         collisionbox = {-0.37, -0.4, -0.37, 0.37, 0.5, 0.37},
   8         visual = "mesh",
   9         visual_size = {x = 3, y = 3},
  10         mesh = "pig.x",
  11         textures = {
  12                 "flying_pig_body.png","flying_pig_leg.png","flying_pig_leg.png","flying_pig_leg.png","flying_pig_leg.png"
  13         },
  14         is_visible = true,
  15         pointable = true,
  16         automatic_face_movement_dir = -90.0,
  17         automatic_face_movement_max_rotation_per_sec = 300,
  18         --makes_footstep_sound = true,
  19 }
  20
  21 flying_pig.hp = 10
  22 flying_pig.speed = 5
  23 flying_pig.jump_timer = 0
  24
  25 flying_pig.death_animation_timer = 0
  26 flying_pig.dead = false
  27
  28 flying_pig.mob = true
  29 flying_pig.hostile = false
  30 flying_pig.hostile_timer = 0
  31 flying_pig.timer = 0
  32
  33 flying_pig.state = 0
  34 flying_pig.hunger = 200
  35 flying_pig.view_distance = 20
  36
  37 flying_pig.punch_timer = 0
  38 flying_pig.punched_timer = 0
  39
  40
  41 --head stuff
  42 flying_pig.head_mount = vector.new(0,1.2,1.9)
  43 local path = minetest.get_modpath(minetest.get_current_modname()).."/flying_pig"
  44 dofile(path.."/timers.lua")
  45 dofile(path.."/head_code.lua")
  46 dofile(path.."/movement_code.lua")
  47 dofile(path.."/data_handling_code.lua")
  48 dofile(path.."/interaction_code.lua")
  49
  50
  51 ----------------------------------
  52
  53
  54 --repel from players
  55 flying_pig.push = function(self)
  56         local pos = self.object:getpos()
  57         local radius = 1
  58         for _,object in ipairs(minetest.get_objects_inside_radius(pos, radius)) do
  59                 if object:is_player() or object:get_luaentity().mob == true then
  60                         local player_pos = object:getpos()
  61                         pos.y = 0
  62                         player_pos.y = 0
  63
  64                         local currentvel = self.object:getvelocity()
  65                         local vel = vector.subtract(pos, player_pos)
  66                         vel = vector.normalize(vel)
  67                         local distance = vector.distance(pos,player_pos)
  68                         distance = (radius-distance)*10
  69                         vel = vector.multiply(vel,distance)
  70                         local acceleration = vector.new(vel.x-currentvel.x,0,vel.z-currentvel.z)
  71
  72
  73                         self.object:add_velocity(acceleration)
  74
  75                         acceleration = vector.multiply(acceleration, 5)
  76                         object:add_player_velocity(acceleration)
  77                 end
  78         end
  79 end
  80
  81 --sets the mob animation and speed
  82 flying_pig.set_animation = function(self)
  83         if self.speed == 0 or vector.equals(self.direction,vector.new(0,0,0)) then
  84                 self.object:set_animation({x=0,y=0}, 1, 0, true)
  85         else
  86                 self.object:set_animation({x=5,y=15}, 1, 0, true)
  87                 local speed = self.object:get_velocity()
  88                 speed.y = 0
  89                 self.object:set_animation_frame_speed(vector.distance(vector.new(0,0,0),speed)*5)
  90         end
  91 end
  92
  93 --this depletes the mobs hunger
  94 flying_pig.do_hunger = function(self,dtime)
  95         self.hunger = self.hunger - dtime
  96 end
  97
  98 --this sets the state of the mob
  99 flying_pig.set_state = function(self,dtime)
 100         self.do_hunger(self,dtime)
 101 end
 102
 103 flying_pig.on_step = function(self, dtime)
 104         if self.dead == false and self.death_animation_timer == 0 then
 105                 self.set_state(self,dtime)
 106                 self.move(self,dtime)
 107                 self.set_animation(self)
 108                 self.look_around(self,dtime)
 109                 self.manage_punch_timer(self,dtime)
 110                 --self.debug_nametag(self,dtime)
 111         else
 112                 self.manage_death_animation(self,dtime)
 113         end
 114         --fix zombie state again
 115         if self.dead == true and self.death_animation_timer <= 0 then
 116                 self.on_death(self)
 117         end
 118 end
 119
 120 minetest.register_entity("mob:flying_pig", flying_pig)
 121
 122
 123
 124
 125
 126 ------------------------------------------------------------------------the head
 127
 128 flying_pig.head = {}
 129 flying_pig.head.initial_properties = {
 130         hp_max = 1,
 131         physical = false,
 132         collide_with_objects = false,
 133         collisionbox = {0, 0, 0, 0, 0, 0},
 134         visual = "mesh",
 135         visual_size = {x = 1.1, y = 1.1},
 136         mesh = "pig_head.x",
 137         textures = {
 138                 "flying_pig_head.png","flying_pig_nose.png"
 139         },
 140         is_visible = true,
 141         pointable = false,
 142         --automatic_face_movement_dir = 0.0,
 143         --automatic_face_movement_max_rotation_per_sec = 600,
 144 }
 145
 146 --remove the head if no body
 147 flying_pig.head.on_step = function(self, dtime)
 148         if self.parent == nil then
 149                 self.object:remove()
 150         end
 151 end
 152 minetest.register_entity("mob:flying_pig_head", flying_pig.head)
 153