91 lines
2.4 KiB
Lua
91 lines
2.4 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local math, minetest, nodecore, pairs, vector
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= math, minetest, nodecore, pairs, vector
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local math_ceil, math_random
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= math.ceil, math.random
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-- LUALOCALS > ---------------------------------------------------------
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local getcoord
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do
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local coords = {}
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for x = 0, 12, 4 do
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for y = 0, 12, 4 do
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coords[#coords + 1] = x .. "," .. y
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end
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end
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local size = #coords
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local pos = size + 1
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getcoord = function()
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if pos > size then
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for i = size, 2, -1 do
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local j = math_random(1, i)
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local x = coords[i]
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coords[i] = coords[j]
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coords[j] = x
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end
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pos = 1
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end
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pos = pos + 1
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return coords[pos - 1]
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end
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end
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function nodecore.digparticles(nodedef, partdef)
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if partdef.forcetexture then
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partdef.texture = partdef.forcetexture
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local id = minetest.add_particlespawner(partdef)
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return function() minetest.delete_particlespawner(id) end
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end
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local img = {}
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if nodedef.tiles then
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for i = 1, 6 do
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img[#img + 1] = nodedef.tiles[i > #nodedef.tiles and #nodedef.tiles or i]
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end
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elseif nodedef.inventory_image then
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img[1] = nodedef.inventory_image
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end
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if #img < 1 then return nodecore.log("warning", "no pummel tile images found!") end
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img = nodecore.pickrand(img)
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if img.name then img = img.name end
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partdef.amount = partdef.amount and math_ceil(partdef.amount / 4) or 4
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local t = {}
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for _ = 1, 4 do
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partdef.texture = img .. "^[resize:16x16^[mask:[combine\\:16x16\\:"
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.. getcoord() .. "=nc_api_pummel.png"
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t[#t + 1] = minetest.add_particlespawner(partdef)
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end
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return function()
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for _, v in pairs(t) do
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minetest.delete_particlespawner(v)
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end
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end
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end
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function nodecore.toolbreakparticles(player, wielddef, amount)
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local pos = player:get_pos()
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if not pos then return end
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wielddef = wielddef or minetest.registered_items[player:get_wielded_item():get_name()]
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if not wielddef then return end
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pos.y = pos.y + player:get_properties().eye_height - 0.1
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local look = player:get_look_dir()
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pos = vector.add(pos, vector.multiply(look, 0.5))
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local look2 = vector.multiply(look, 2)
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return nodecore.digparticles(wielddef, {
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time = 0.05,
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amount = amount,
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minpos = pos,
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maxpos = pos,
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minvel = vector.add(look2, {x = -2, y = -2, z = -2}),
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maxvel = vector.add(look2, {x = 2, y = 2, z = 2}),
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minacc = {x = 0, y = -8, z = 0},
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maxacc = {x = 0, y = -8, z = 0},
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minexptime = 0.25,
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maxexptime = 1,
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minsize = 2,
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maxsize = 4
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})
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end
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