mods/torch/init.lua

   1 --get point where particle spawner is added
   2 local function get_offset(wdir)
   3         local z = 0
   4         local x = 0
   5         if wdir == 4 then
   6                 z = 0.25
   7         elseif wdir == 2 then
   8                 x = 0.25
   9         elseif wdir == 5 then
  10                 z = -0.25
  11         elseif wdir == 3 then
  12                 x = -0.25
  13         end
  14         return {x = x, y = 0.27, z = z}
  15 end
  16
  17 --remove smoke and fire
  18 local function delete_ps(pos)
  19         local meta = minetest.get_meta(pos)
  20         minetest.delete_particlespawner(meta:get_int("psf"))
  21         minetest.delete_particlespawner(meta:get_int("pss"))
  22 end
  23
  24 --add in smoke and fire
  25 local function create_ps(pos)
  26         local dir = get_offset(minetest.get_node(pos).param2)
  27         local ppos = vector.add(dir,pos)
  28         local meta = minetest.get_meta(pos)
  29         local psf = minetest.add_particlespawner({
  30                 amount = 2,
  31                 time = 0,
  32                 minpos = ppos,
  33                 maxpos = ppos,
  34                 minvel = vector.new(0,0,0),
  35                 maxvel = vector.new(0,0,0),
  36                 minacc = {x=0, y=0, z=0},
  37                 maxacc = {x=0, y=0, z=0},
  38                 minexptime = 1,
  39                 maxexptime = 1,
  40                 minsize = 3,
  41                 maxsize = 3,
  42                 collisiondetection = false,
  43                 vertical = true,
  44                 texture = "torch_animated.png",
  45                 animation = {type = "vertical_frames",
  46
  47                         aspect_w = 16,
  48                         -- Width of a frame in pixels
  49
  50                         aspect_h = 16,
  51                         -- Height of a frame in pixels
  52
  53                         length =  0.2,
  54                         -- Full loop length
  55                 },
  56         })
  57         local pss = minetest.add_particlespawner({
  58                 amount = 2,
  59                 time = 0,
  60                 minpos = ppos,
  61                 maxpos = ppos,
  62                 minvel = vector.new(-0.1,0.1,-0.1),
  63                 maxvel = vector.new(0.1,0.3,0.1),
  64                 minacc = vector.new(0,0,0),
  65                 maxacc = vector.new(0,0,0),
  66                 minexptime = 1,
  67                 maxexptime = 2,
  68                 minsize = 1,
  69                 maxsize = 2,
  70                 collisiondetection = false,
  71                 vertical = false,
  72                 texture = "smoke.png",
  73         })
  74         meta:set_int("psf", psf)
  75         meta:set_int("pss", pss)
  76 end
  77
  78 --reload smoke and flame on load
  79 minetest.register_lbm({
  80         name = "torch:torch",
  81         nodenames = {"torch:floor","torch:wall"},
  82         run_at_every_load = true,
  83         action = function(pos, node)
  84                 create_ps(pos)
  85         end,
  86 })
  87
  88 -- Item definitions
  89 minetest.register_craftitem("torch:torch", {
  90         description = "Torch",
  91         inventory_image = "torches_torch.png",
  92         wield_image = "torches_torch.png",
  93         wield_scale = {x = 1, y = 1, z = 1 + 1/16},
  94         liquids_pointable = false,
  95         on_place = function(itemstack, placer, pointed_thing)
  96                 if pointed_thing.type ~= "node" then
  97                         return itemstack
  98                 end
  99
 100                 local wdir = minetest.dir_to_wallmounted(vector.subtract(pointed_thing.under,pointed_thing.above))
 101
 102                 local fakestack = itemstack
 103                 local retval = false
 104                 if wdir < 1 then
 105                         return itemstack
 106                 elseif wdir == 1 then
 107                         retval = fakestack:set_name("torch:floor")
 108                 else
 109                         retval = fakestack:set_name("torch:wall")
 110                 end
 111                 if not retval then
 112                         return itemstack
 113                 end
 114                 itemstack, retval = minetest.item_place(fakestack, placer, pointed_thing, wdir)
 115                 itemstack:set_name("torch:torch")
 116
 117                 minetest.sound_play("wood", {pos=pointed_thing.above, gain = 1.0})
 118
 119                 return itemstack
 120         end
 121 })
 122
 123 minetest.register_node("torch:floor", {
 124         inventory_image = "default_torch.png",
 125         wield_image = "torches_torch.png",
 126         wield_scale = {x = 1, y = 1, z = 1 + 2/16},
 127         drawtype = "mesh",
 128         mesh = "torch_floor.obj",
 129         tiles = {"torches_torch.png"},
 130         paramtype = "light",
 131         paramtype2 = "none",
 132         sunlight_propagates = true,
 133         drop = "torch:torch",
 134         walkable = false,
 135         light_source = 13,
 136         groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 137         legacy_wallmounted = true,
 138         selection_box = {
 139                 type = "fixed",
 140                 fixed = {-1/16, -0.5, -1/16, 1/16, 2/16, 1/16},
 141         },
 142         on_construct = function(pos)
 143                 create_ps(pos)
 144         end,
 145         on_destruct = function(pos)
 146                 delete_ps(pos)
 147         end,
 148         sounds = main.woodSound(),
 149 })
 150
 151 minetest.register_node("torch:wall", {
 152         inventory_image = "default_torch.png",
 153         wield_image = "torches_torch.png",
 154         wield_scale = {x = 1, y = 1, z = 1 + 1/16},
 155         drawtype = "mesh",
 156         mesh = "torch_wall.obj",
 157         tiles = {"torches_torch.png"},
 158         paramtype = "light",
 159         paramtype2 = "wallmounted",
 160         sunlight_propagates = true,
 161         walkable = false,
 162         light_source = 13,
 163         groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 164         drop = "torch:torch",
 165         selection_box = {
 166                 type = "wallmounted",
 167                 wall_top = {-0.1, -0.1, -0.1, 0.1, 0.5, 0.1},
 168                 wall_bottom = {-0.1, -0.5, -0.1, 0.1, 0.1, 0.1},
 169                 wall_side = {-0.5, -0.3, -0.1, -0.2, 0.3, 0.1},
 170         },
 171         on_construct = function(pos)
 172                 create_ps(pos)
 173         end,
 174         on_destruct = function(pos)
 175                 delete_ps(pos)
 176         end,
 177         sounds = main.woodSound(),
 178 })
 179
 180 minetest.register_craft({
 181         output = "torch:torch 4",
 182         recipe = {
 183                 {"main:coal"},
 184                 {"main:stick"}
 185         }
 186 })
 187 minetest.register_craft({
 188         output = "torch:torch 4",
 189         recipe = {
 190                 {"main:charcoal"},
 191                 {"main:stick"}
 192         }
 193 })