mods/hades_drippingwater/init.lua

   1 -- Dripping Water Mod
   2 local GRAVITY = -(tonumber(minetest.settings:get("movement_gravity")) or 10)
   3
   4 minetest.register_entity("hades_drippingwater:drop_water", {
   5         hp_max = 2,
   6         physical = true,
   7         collide_with_objects = false,
   8         collisionbox = { -0.025, -0.05, -0.025, 0.025, -0.01, 0.025 },
   9         pointable = false,
  10         visual = "cube",
  11         visual_size = {x=0.05, y=0.1},
  12         textures = {"default_water.png","default_water.png","default_water.png","default_water.png", "default_water.png","default_water.png"},
  13         spritediv = {x=1, y=1},
  14         initial_sprite_basepos = {x=0, y=0},
  15         static_save = false,
  16
  17         on_activate = function(self, staticdata)
  18                 self.object:set_sprite({x=0,y=0}, 1, 1, true)
  19                 self.object:set_armor_groups({immortal=1})
  20         end,
  21
  22         on_step = function(self, dtime)
  23                 local ownpos = self.object:get_pos()
  24
  25                 local falling = false
  26                 local acc = self.object:get_acceleration()
  27                 if acc.y < -0.01 then
  28                         falling = true
  29                 end
  30
  31                 if not falling then
  32                         local k = math.random(1,222)
  33                         if k==1 then
  34                                 self.object:set_acceleration({x=0, y=GRAVITY, z=0})
  35                         else
  36                                 local n_above = minetest.get_node({x=ownpos.x, y=ownpos.y+0.5, z=ownpos.z})
  37                                 local d_above = minetest.registered_nodes[n_above.name]
  38                                 if not d_above then
  39                                         self.object:remove()
  40                                         return
  41                                 end
  42                                 if not d_above.walkable then
  43                                         self.object:set_acceleration({x=0, y=GRAVITY, z=0})
  44                                 end
  45                         end
  46                 end
  47
  48                 local n_below = minetest.get_node({x=ownpos.x, y=ownpos.y -0.5, z=ownpos.z})
  49                 local d_below = minetest.registered_nodes[n_below.name]
  50                 if not d_below then
  51                         self.object:remove()
  52                         return
  53                 end
  54                 if d_below.walkable or d_below.liquidtype ~= "none" then
  55                         self.object:remove()
  56                         local snd, gain = "drippingwater_drip", 0.5
  57                         local n_here = minetest.get_node(ownpos)
  58                         if minetest.get_item_group(n_below.name, "water") ~= 0 or
  59                                         minetest.get_item_group(n_here.name, "water") ~= 0 then
  60                                 snd, gain = "drippingwater_drip_on_water", 0.5
  61                         elseif minetest.get_item_group(n_below.name, "lava") ~= 0 or
  62                                         minetest.get_item_group(n_here.name, "lava") ~= 0 then
  63                                 snd, gain = "drippingwater_drip_on_lava", 0.2
  64                         end
  65                         minetest.sound_play({name=snd}, {pos = ownpos, gain = gain, max_hear_distance = 8}, true)
  66                 end
  67         end,
  68 })
  69
  70 --Create drop
  71
  72 minetest.register_abm({
  73         label = "Spawn water droplets",
  74         nodenames = {"group:porous"},
  75         neighbors = {"group:water"},
  76         interval = 2,
  77         chance = 22,
  78         action = function(pos)
  79                 local above = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name
  80                 local below1 = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name
  81                 local below2 = minetest.get_node({x=pos.x, y=pos.y-2, z=pos.z}).name
  82                 if minetest.get_item_group(above, "water") > 0 and
  83                                 below1 == "air" and below2 == "air" then
  84                         local i = math.random(-45,45) / 100
  85                         minetest.add_entity({x=pos.x + i, y=pos.y-0.501, z=pos.z + i}, "hades_drippingwater:drop_water")
  86                 end
  87         end,
  88 })
  89