mods/mob/pig/piginit.lua

   1 --these are helpers to create entities
   2 pig = {}
   3
   4 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                 "body.png","leg.png","leg.png","leg.png","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 pig.hp = 10
  22 pig.speed = 5
  23 pig.jump_timer = 0
  24
  25 pig.hurt_inside_timer = 0
  26 pig.death_animation_timer = 0
  27 pig.dead = false
  28
  29 pig.mob = true
  30 pig.hostile = false
  31 pig.hostile_timer = 0
  32 pig.timer = 0
  33
  34 pig.state = 0
  35 pig.hunger = 200
  36 pig.view_distance = 20
  37
  38 pig.punch_timer = 0
  39 pig.punched_timer = 0
  40
  41
  42 --head stuff
  43 pig.head_mount = vector.new(0,1.2,1.9)
  44 local path = minetest.get_modpath(minetest.get_current_modname()).."/pig"
  45 dofile(path.."/timers.lua")
  46 dofile(path.."/head_code.lua")
  47 dofile(path.."/movement_code.lua")
  48 dofile(path.."/data_handling_code.lua")
  49 dofile(path.."/interaction_code.lua")
  50
  51
  52 ----------------------------------
  53
  54
  55 --repel from players
  56 pig.push = function(self)
  57         local pos = self.object:getpos()
  58         local radius = 1
  59         for _,object in ipairs(minetest.get_objects_inside_radius(pos, radius)) do
  60                 if object:is_player() or object:get_luaentity().mob == true then
  61                         local player_pos = object:getpos()
  62                         pos.y = 0
  63                         player_pos.y = 0
  64
  65                         local currentvel = self.object:getvelocity()
  66                         local vel = vector.subtract(pos, player_pos)
  67                         vel = vector.normalize(vel)
  68                         local distance = vector.distance(pos,player_pos)
  69                         distance = (radius-distance)*10
  70                         vel = vector.multiply(vel,distance)
  71                         local acceleration = vector.new(vel.x-currentvel.x,0,vel.z-currentvel.z)
  72
  73
  74                         self.object:add_velocity(acceleration)
  75
  76                         acceleration = vector.multiply(acceleration, 5)
  77                         object:add_player_velocity(acceleration)
  78                 end
  79         end
  80 end
  81
  82 --sets the mob animation and speed
  83 pig.set_animation = function(self)
  84         if self.speed == 0 or vector.equals(self.direction,vector.new(0,0,0)) then
  85                 self.object:set_animation({x=0,y=0}, 1, 0, true)
  86         else
  87                 self.object:set_animation({x=5,y=15}, 1, 0, true)
  88                 local speed = self.object:get_velocity()
  89                 speed.y = 0
  90                 self.object:set_animation_frame_speed(vector.distance(vector.new(0,0,0),speed)*5)
  91         end
  92 end
  93
  94 --this depletes the mobs hunger
  95 pig.do_hunger = function(self,dtime)
  96         self.hunger = self.hunger - dtime
  97 end
  98
  99 --this sets the state of the mob
 100 pig.set_state = function(self,dtime)
 101         self.do_hunger(self,dtime)
 102 end
 103
 104 pig.on_step = function(self, dtime)
 105         if self.dead == false and self.death_animation_timer == 0 then
 106                 self.set_state(self,dtime)
 107                 self.move(self,dtime)
 108                 self.set_animation(self)
 109                 self.look_around(self,dtime)
 110                 self.manage_punch_timer(self,dtime)
 111                 --self.debug_nametag(self,dtime)
 112         else
 113                 self.manage_death_animation(self,dtime)
 114         end
 115         --fix zombie state again
 116         if self.dead == true and self.death_animation_timer <= 0 then
 117                 self.on_death(self)
 118         end
 119 end
 120
 121 minetest.register_entity("mob:pig", pig)
 122
 123
 124
 125
 126
 127 ------------------------------------------------------------------------the head
 128
 129 pig.head = {}
 130 pig.head.initial_properties = {
 131         hp_max = 1,
 132         physical = false,
 133         collide_with_objects = false,
 134         collisionbox = {0, 0, 0, 0, 0, 0},
 135         visual = "mesh",
 136         visual_size = {x = 1.1, y = 1.1},
 137         mesh = "pig_head.x",
 138         textures = {
 139                 "head.png","nose.png"
 140         },
 141         is_visible = true,
 142         pointable = false,
 143         --automatic_face_movement_dir = 0.0,
 144         --automatic_face_movement_max_rotation_per_sec = 600,
 145 }
 146
 147 --remove the head if no body
 148 pig.head.on_step = function(self, dtime)
 149         if self.parent == nil then
 150                 self.object:remove()
 151         end
 152 end
 153 minetest.register_entity("mob:head", pig.head)
 154