environment_effects.lua

   1 local old_node
   2 local in_water = false
   3 local old_in_water = false
   4 --this is to check if the player is exploring a cave
   5 --if exploring cave not near an open shaft then play a scary noise
   6 --every 5-7 minutes
   7 local scary_sound_player_timer = math.random(-120,0)
   8
   9
  10 --this is used for the water trickling effect
  11 local water_trickling_timer = 0
  12 local water_sound_handle = nil
  13
  14 local function splash_effect()
  15         if minetest.localplayer then
  16                 local vel = minetest.localplayer:get_velocity().y
  17                 local pos = minetest.localplayer:get_pos()
  18                 local node = minetest.get_node_or_nil(pos)
  19
  20                 if node then
  21                         local name = node.name
  22                         if name == "main:water" or name == "main:waterflow" then
  23                                 in_water = true
  24                                 if in_water == true and old_in_water == false and vel < 0 then
  25                                         minetest.sound_play("splash", {gain = 0.4, pitch = math.random(80,100)/100, gain = 0.05})
  26                                 end
  27                         else
  28                                 in_water = false
  29                         end
  30                 end
  31
  32                 old_node = node
  33                 old_in_water = in_water
  34         end
  35         minetest.after(0.01, function()
  36                 splash_effect()
  37         end)
  38 end
  39 splash_effect()
  40
  41
  42
  43 ---------------------------------------------
  44
  45
  46 local function scary_sound_timer()
  47         --print(scary_sound_player_timer)
  48         --try to play every 5-7 minutes
  49         if minetest.localplayer then
  50                 local pos = minetest.localplayer:get_pos()
  51                 pos.y = pos.y + 1.625
  52                 local light = minetest.get_node_light(pos)
  53                 if pos.y < 0 and light <= 13 then
  54                         minetest.sound_play("scary_noise",{gain=0.4,pitch=math.random(70,100)/100})
  55                 end
  56         end
  57         minetest.after(300+math.random(0,120), function()
  58                 scary_sound_timer()
  59         end)
  60 end
  61
  62 minetest.after(300+math.random(0,120), function()
  63         scary_sound_timer()
  64 end)
  65
  66
  67 ------------------------------------------------------
  68
  69 local function water_trickle()
  70         if minetest.localplayer then
  71                 local pos = minetest.localplayer:get_pos()
  72                 local is_water_near = minetest.find_node_near(pos, 3, {"main:waterflow"})
  73                 if is_water_near and not water_sound_handle then
  74                         water_sound_handle = minetest.sound_play("stream", {loop=true,gain=0})
  75                         minetest.sound_fade(water_sound_handle, 0.25, 0.1)
  76                 elseif not is_water_near and water_sound_handle then
  77                         minetest.sound_fade(water_sound_handle, -0.25, 0)
  78                         water_sound_handle = nil
  79                 end
  80         end
  81         minetest.after(0.1, function()
  82                 water_trickle()
  83         end)
  84 end
  85
  86 water_trickle()