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             if retval then
 118                   minetest.sound_play("wood", {pos=pointed_thing.above, gain = 1.0})
 119             end
 120
 121             return itemstack
 122       end
 123 })
 124
 125 minetest.register_node("torch:floor", {
 126       inventory_image = "default_torch.png",
 127       wield_image = "torches_torch.png",
 128       wield_scale = {x = 1, y = 1, z = 1 + 2/16},
 129       drawtype = "mesh",
 130       mesh = "torch_floor.obj",
 131       tiles = {"torches_torch.png"},
 132       paramtype = "light",
 133       paramtype2 = "none",
 134       sunlight_propagates = true,
 135       drop = "torch:torch",
 136       walkable = false,
 137       light_source = 13,
 138       groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 139       legacy_wallmounted = true,
 140       selection_box = {
 141             type = "fixed",
 142             fixed = {-1/16, -0.5, -1/16, 1/16, 2/16, 1/16},
 143       },
 144       on_construct = function(pos)
 145             create_ps(pos)
 146       end,
 147       on_destruct = function(pos)
 148             delete_ps(pos)
 149       end,
 150       sounds = main.woodSound(),
 151 })
 152
 153 minetest.register_node("torch:wall", {
 154       inventory_image = "default_torch.png",
 155       wield_image = "torches_torch.png",
 156       wield_scale = {x = 1, y = 1, z = 1 + 1/16},
 157       drawtype = "mesh",
 158       mesh = "torch_wall.obj",
 159       tiles = {"torches_torch.png"},
 160       paramtype = "light",
 161       paramtype2 = "wallmounted",
 162       sunlight_propagates = true,
 163       walkable = false,
 164       light_source = 13,
 165       groups = {choppy=2, dig_immediate=3, flammable=1, not_in_creative_inventory=1, attached_node=1, torch=1},
 166       drop = "torch:torch",
 167       selection_box = {
 168             type = "wallmounted",
 169             wall_top = {-0.1, -0.1, -0.1, 0.1, 0.5, 0.1},
 170             wall_bottom = {-0.1, -0.5, -0.1, 0.1, 0.1, 0.1},
 171             wall_side = {-0.5, -0.3, -0.1, -0.2, 0.3, 0.1},
 172       },
 173       on_construct = function(pos)
 174             create_ps(pos)
 175       end,
 176       on_destruct = function(pos)
 177             delete_ps(pos)
 178       end,
 179       sounds = main.woodSound(),
 180 })
 181
 182 minetest.register_craft({
 183       output = "torch:torch 4",
 184       recipe = {
 185             {"main:coal"},
 186             {"main:stick"}
 187       }
 188 })
 189 minetest.register_craft({
 190       output = "torch:torch 4",
 191       recipe = {
 192             {"main:charcoal"},
 193             {"main:stick"}
 194       }
 195 })