minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'po/pl/minetest.po')

0 files changed, 0 insertions, 0 deletions

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local pole_texture = "advtrains_signals_japan_mast.png"
local signal_face_texture = "advtrains_hud_bg.png^[colorize:#000000:255"
local pole_radius = 1/16
local pole_box = {-pole_radius,-1/2,-pole_radius,pole_radius,1/2,pole_radius}
local light_radius = 1/20
local signal_width = 6*light_radius
local signal_thickness = pole_radius*3
local signal_height = {}
local signal_box = {}
local light_red = "advtrains_hud_bg.png^[colorize:red:255"
local light_yellow = "advtrains_hud_bg.png^[colorize:orange:255"
local light_green = "advtrains_hud_bg.png^[colorize:lime:255"
local light_purple = "advtrains_hud_bg.png^[colorize:purple:255"
local light_distant = light_purple
local light_off = signal_face_texture

do
	local model_path_prefix = table.concat({minetest.get_modpath("advtrains_signals_japan"), "models", "advtrains_signals_japan_"}, DIR_DELIM)

	local function vertex(x, y, z)
		return string.format("v %f %f %f", x, y, z)
	end
	local function texture(u, v)
		return string.format("vt %f %f", u, v)
	end
	local function face_element(v, vt)
		if vt then
			return string.format("%d/%d", v, vt)
		end
		return tonumber(v)
	end
	local function face_elements(...)
		local st = {"f"}
		local args = {...}
		local len = #args
		for i = 1, len, 2 do
			st[(i+3)/2] = face_element(args[i], args[i+1])
		end
		return table.concat(st, " ")
	end
	local function sequential_elements(v0, vt0, count)
		local st = {}
		for i = 1, count do
			st[i] = face_element(v0+i, vt0+i)
		end
		return table.concat(st, " ")
	end
	local function mod_lower(min, a, b)
		return min + (a-min)%b
	end
	local function connect_circular(v0, vt0, count)
		return "f " .. sequential_elements(v0, vt0, count)
	end
	local function connect_cylindrical(v0, vt0, count)
		local st = {}
		for i = 0, count-1 do
			local j = (i+1)%count
			local v1 = v0+i+1
			local v2 = v1+count
			local v3 = v0+j+1
			local v4 = v3+count
			local vt1 = vt0+i+1
			local vt2 = vt1+count+1
			st[i+1] = face_elements(v1, vt1, v3, vt1+1, v4, vt2+1, v2, vt2)
		end
		return table.concat(st, "\n")
	end
	local function circular_textures(u0, v0, r, count, total, angular_offset, direction)
		local st = {}
		if not angular_offset then
			angular_offset = 0
		end
		if not total then
			total = count
		end
		if not direction then
			direction = 1
		end
		for i = 0, count-1 do
			local theta = angular_offset + direction*i/total*2*math.pi
			local u, v = r*math.cos(theta), r*math.sin(theta)
			st[i+1] = texture(u0+u, v0+v)
		end
		return table.concat(st, "\n")
	end
	local function rectangular_textures(u0, v0, u1, v1, count)
		local st = {}
		local width = u1-u0
		for i = 0, count do
			local u = u0+i/count*width
			st[i+1] = texture(u, v0)
			st[i+count+2] = texture(u, v1)
		end
		return table.concat(st, "\n")
	end

	-- generate pole model
	local pole_npolygon = 32
	local pole_vertex_count = pole_npolygon*2
	local pole_uv_count = pole_npolygon*3+2
	local pole_vertices = {}
	local pole_objdef = {
		"g pole",
		"usemtl pole",
		connect_circular(0, 0, pole_npolygon),
		connect_circular(pole_npolygon, 0, pole_npolygon),
		connect_cylindrical(0, pole_npolygon, pole_npolygon),
	}
	local pole_uv = {
		circular_textures(0.5, 0.5, 0.5, pole_npolygon),
		rectangular_textures(0, 0, 1, 1, pole_npolygon),
	}
	for i = 0, pole_npolygon-1 do
		local theta = i*2/pole_npolygon*math.pi
		local r = pole_radius
		local x, z = r*math.sin(theta), r*math.cos(theta)
		local lower_index = i+1
		local upper_index = lower_index+pole_npolygon
		pole_vertices[lower_index] = vertex(x, -0.5, z)
		pole_vertices[upper_index] = vertex(x, 0.5, z)
	end
	pole_vertices = table.concat(pole_vertices, "\n")
	pole_objdef = table.concat(pole_objdef, "\n")
	pole_uv = table.concat(pole_uv, "\n")
	minetest.safe_file_write(model_path_prefix .. "pole.obj", table.concat({pole_vertices, pole_uv, pole_objdef}, "\n"))

	-- generate signals
	for lightcount = 5, 6 do
		for rotname, rot in pairs {["0"] = 0, ["30"] = 26.5, ["45"] = 45, ["60"] = 63.5} do
			local rot = math.rad(rot)
			local lightradius = 0.05
			local lightspacing = 0.04
			local halfwidth = signal_width/2
			local halfheight = (2+lightcount)*lightradius+(lightcount-1)*lightspacing/2
			local halfthickness = signal_thickness/2
			local half_npolygon = pole_npolygon/2
			local quarter_npolygon = pole_npolygon/4
			local boxside = math.max(halfwidth, halfthickness*2)
			signal_height[lightcount] = halfheight*2
			signal_box[lightcount] = {-boxside, -halfheight, -boxside, boxside, halfheight, boxside}

			local _vertex = vertex
			local rv = vector.new(0, rot, 0)
			local function vertex(x, y, z)
				local v = vector.rotate(vector.new(x, y, z), rv)
				return _vertex(v.x, v.y, v.z)
			end

			-- generate signal face
			local face_vertices = {}
			local face_uv = {
				circular_textures(0.5, 0.5+halfheight-3*lightradius, halfwidth, half_npolygon+1, pole_npolygon),
				circular_textures(0.5, 0.5-halfheight+3*lightradius, halfwidth, half_npolygon+1, pole_npolygon, math.pi),
				rectangular_textures(0, 0, 1, 1, 2+pole_npolygon),
			}
			local face_objdef = {
				"g face",
				"usemtl face",
				connect_circular(pole_vertex_count+2+pole_npolygon, pole_uv_count, 2+pole_npolygon),
				connect_circular(pole_vertex_count, pole_uv_count, 2+pole_npolygon),
				connect_cylindrical(pole_vertex_count, pole_uv_count+2+pole_npolygon, 2+pole_npolygon),
			}
			local face_vertex_count = 4*half_npolygon+4
			local face_uv_count = 2*(half_npolygon+1) + 2*(pole_npolygon+3)
			for i = 0, half_npolygon do
				local theta = i/half_npolygon*math.pi
				local r = halfwidth
				local x, y = r*math.cos(theta), halfheight-3*lightradius+r*math.sin(theta)
				face_vertices[i+1] = vertex(x, y, -halfthickness)
				face_vertices[i+2+half_npolygon] = vertex(-x, -y, -halfthickness)
				face_vertices[i+3+2*half_npolygon] = vertex(x, y, halfthickness)
				face_vertices[i+4+3*half_npolygon] = vertex(-x, -y, halfthickness)
			end

			-- generate lights
			local light_vertices = {}
			local light_vertex_count = 8*(half_npolygon+1)+pole_npolygon
			local light_uv = {rectangular_textures(0, 0, 1, 1, half_npolygon)}
			local light_uv_count = 2*(half_npolygon+1)+pole_npolygon*lightcount
			local light_objdef_face = {}
			local light_objdef_main = {
				"g light",
				"usemtl light",
			}
			for i = 1, lightcount do
				local x0, y0 = 0, -halfheight + (2*i+1)*lightradius + (i-1)*lightspacing
				local v0 = light_vertex_count*(i-1)
				for j = 0, half_npolygon do
					local theta = j/half_npolygon*math.pi
					local xs, ys = math.cos(theta), math.sin(theta)
					for k, v in pairs {
						{xm = -1, ym = 1, rm = 1, z = 1},
						{xm = 1, ym = 1, rm = 0.8, z = 1},
						{xm = -1, ym = 1, rm = 1, z = 2},
						{xm = 1, ym = 1, rm = 0.8, z = 2},
						{xm = 1, ym = -1, rm = 1, z = 1},
						{xm = -1, ym = -1, rm = 0.8, z = 1},
						{xm = 1, ym = -1, rm = 1, z = 1.5},
						{xm = -1, ym = -1, rm = 0.8, z = 1.5},
					} do
						local x = x0+xs*lightradius*v.xm*v.rm


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