forked from VoxeLibre/VoxeLibre
118 lines
3.3 KiB
Lua
118 lines
3.3 KiB
Lua
minetest.register_tool("mapp:map", {
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description = "map",
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inventory_image = "map_block.png",
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stack_max = 1,
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on_use = function(itemstack, user, pointed_thing)
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map_handler(itemstack,user,pointed_thing)
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end,
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})
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function map_handler (itemstack, user, pointed_thing)
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--Bechmark variables.
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local clock = os.clock
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local start = clock()
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local pos = user:getpos()
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local player_name=user:get_player_name()
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local mapar = {}
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local map
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local p
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local pp
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local po = {x = 0, y = 0, z = 0}
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local tile = ""
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local yaw
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local rotate = 0
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pos.y = pos.y + 1
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yaw = user:get_look_yaw()
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if yaw ~= nil then
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-- Find rotation and texture based on yaw.
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yaw = math.deg(yaw)
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yaw = math.fmod (yaw, 360)
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if yaw < 90 then
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rotate = 90
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elseif yaw < 180 then
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rotate = 180
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elseif yaw < 270 then
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rotate = 270
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else
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rotate = 0
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end
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yaw = math.fmod(yaw, 90)
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yaw = math.floor(yaw / 10) * 10
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end
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--Localise some global minetest variables for speed.
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local env = minetest.env
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local registered_nodes = minetest.registered_nodes
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for i = -35,35,1 do
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mapar[i+35] = {}
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for j = -35,35,1 do
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mapar[i+35][j+35] = {}
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po.x, po.y, po.z = pos.x+i, pos.y, pos.z+j
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local no = env:get_node(po)
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local k=po.y
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if no.name == "air" then
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while no.name == "air" do
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k=k-1
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po.x, po.y, po.z = pos.x+i, k, pos.z+j
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no = env:get_node(po)
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end
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elseif no.name ~= "air" and (no.name ~= "ignore") then
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while (no.name ~= "air") and (no.name ~= "ignore") do
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k=k+1
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po.x, po.y, po.z = pos.x+i, k, pos.z+j
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no = env:get_node(po)
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end
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k=k-1
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po.x, po.y, po.z = pos.x+i, k, pos.z+j
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end
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local node = env:get_node(po)
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local tiles
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local def = registered_nodes[node.name]
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if def then tiles = def["tiles"] end
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if tiles ~=nil then
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tile = tiles[1]
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end
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if type(tile)=="table" then
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tile=tile["name"]
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end
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mapar[i+35][j+35].y = k
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mapar[i+35][j+35].im = tile
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end
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end
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--Optimisation technique.
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--Lua does not edit string buffers via concatenation, using a table and then invoking table.concat is MUCH faster.
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p = {}
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pp = #p
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pp = pp + 1
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p[pp] = "size[8.2,8]"..
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"background[-1,-1;9.8,9.8;map_block_bg.png]"
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for i=1,50,1 do
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for j=1,50,1 do
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if mapar[i][j].y ~= mapar[i][j+1].y then mapar[i][j].im = mapar[i][j].im .. "^1black_blockt.png" end
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if mapar[i][j].y ~= mapar[i][j-1].y then mapar[i][j].im = mapar[i][j].im .. "^1black_blockb.png" end
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if mapar[i][j].y ~= mapar[i-1][j].y then mapar[i][j].im = mapar[i][j].im .. "^1black_blockl.png" end
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if mapar[i][j].y ~= mapar[i+1][j].y then mapar[i][j].im = mapar[i][j].im .. "^1black_blockr.png" end
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pp = pp + 1
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p[pp] = "image[".. 0.15*(i) ..",".. 0.15*(50-j)+0.1 ..";0.2,0.2;" .. mapar[i][j].im .. "]"
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end
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end
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pp = pp + 1
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if rotate ~= 0 then
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p[pp] = "image[".. 0.15*(25)+0.075 ..",".. 0.15*(25)-0.085 ..";0.4,0.4;d" .. yaw .. ".png^[transformFYR".. rotate .."]"
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else
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p[pp] = "image[".. 0.15*(25)+0.075 ..",".. 0.15*(25)-0.085 ..";0.4,0.4;d" .. yaw .. ".png^[transformFY]"
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end
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map = table.concat(p, "\n")
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minetest.show_formspec(player_name, "mapp:map", map)
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print("[Mapp] Map generated in: ".. clock() - start.." seconds.")
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end
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