forked from mtcontrib/signs_lib
1275 lines
36 KiB
Lua
1275 lines
36 KiB
Lua
-- signs_lib api, backported from street_signs
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local S = signs_lib.gettext
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signs_lib.lbm_restore_nodes = {}
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signs_lib.old_fenceposts = {}
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signs_lib.old_fenceposts_replacement_signs = {}
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signs_lib.old_fenceposts_with_signs = {}
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signs_lib.allowed_poles = {}
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-- Settings used for a standard wood or steel wall sign
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signs_lib.standard_lines = 6
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signs_lib.standard_hscale = 1
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signs_lib.standard_vscale = 1
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signs_lib.standard_lspace = 1
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signs_lib.standard_fsize = 15
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signs_lib.standard_xoffs = 4
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signs_lib.standard_yoffs = 0
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signs_lib.standard_cpl = 35
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signs_lib.standard_wood_groups = table.copy(minetest.registered_items["default:sign_wall_wood"].groups)
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signs_lib.standard_wood_groups.sign = 1
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signs_lib.standard_wood_groups.attached_node = nil
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signs_lib.standard_steel_groups = table.copy(minetest.registered_items["default:sign_wall_steel"].groups)
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signs_lib.standard_steel_groups.sign = 1
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signs_lib.standard_steel_groups.attached_node = nil
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signs_lib.standard_wood_sign_sounds = table.copy(minetest.registered_items["default:sign_wall_wood"].sounds)
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signs_lib.standard_steel_sign_sounds = table.copy(minetest.registered_items["default:sign_wall_steel"].sounds)
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signs_lib.default_text_scale = {x=10, y=10}
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signs_lib.old_widefont_signs = {}
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signs_lib.block_list = {}
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signs_lib.totalblocks = 0
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signs_lib.standard_yaw = {
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0,
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math.pi / -2,
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math.pi,
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math.pi / 2,
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}
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signs_lib.wallmounted_yaw = {
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nil,
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nil,
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math.pi / -2,
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math.pi / 2,
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0,
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math.pi,
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}
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signs_lib.fdir_to_back = {
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{ 0, -1 },
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{ -1, 0 },
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{ 0, 1 },
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{ 1, 0 },
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}
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signs_lib.wall_fdir_to_back = {
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nil,
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nil,
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{ 0, 1 },
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{ 0, -1 },
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{ -1, 0 },
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{ 1, 0 },
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}
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signs_lib.fdir_flip_to_back = {
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[0] = { 0, 2 },
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[1] = { 2, 0 },
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[2] = { 0, -2 },
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[3] = { -2, 0 }
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}
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signs_lib.wall_fdir_flip_to_back = {
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[2] = { 2, 0 },
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[3] = { -2, 0 },
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[4] = { 0, 2 },
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[5] = { 0, -2 },
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}
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signs_lib.fdir_to_back_left = {
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[0] = { -1, 1 },
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[1] = { 1, 1 },
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[2] = { 1, -1 },
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[3] = { -1, -1 }
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}
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signs_lib.wall_fdir_to_back_left = {
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[2] = { 1, 1 },
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[3] = { -1, -1 },
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[4] = { -1, 1 },
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[5] = { 1, -1 }
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}
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signs_lib.rotate_walldir = {
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[0] = 4,
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[1] = 0,
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[2] = 5,
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[3] = 1,
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[4] = 2,
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[5] = 3
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}
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signs_lib.rotate_walldir_simple = {
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[0] = 4,
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[1] = 4,
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[2] = 5,
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[3] = 4,
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[4] = 2,
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[5] = 3
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}
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signs_lib.rotate_facedir = {
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[0] = 1,
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[1] = 2,
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[2] = 3,
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[3] = 4,
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[4] = 6,
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[5] = 6,
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[6] = 0
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}
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signs_lib.rotate_facedir_simple = {
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[0] = 1,
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[1] = 2,
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[2] = 3,
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[3] = 0,
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[4] = 0,
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[5] = 0
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}
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signs_lib.flip_facedir = {
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[0] = 2,
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[1] = 3,
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[2] = 0,
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[3] = 1,
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[4] = 6,
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[5] = 4,
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[6] = 4
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}
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signs_lib.flip_walldir = {
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[0] = 1,
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[1] = 0,
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[2] = 3,
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[3] = 2,
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[4] = 5,
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[5] = 4
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}
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local htj_north = {
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[1] = true,
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[3] = true,
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[9] = true,
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[11] = true,
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[21] = true,
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[23] = true
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}
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local htj_east = {
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[0] = true,
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[2] = true,
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[16] = true,
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[18] = true,
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[20] = true,
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[22] = true
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}
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local htj_south = {
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[1] = true,
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[3] = true,
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[5] = true,
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[7] = true,
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[21] = true,
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[23] = true
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}
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local htj_west = {
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[0] = true,
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[2] = true,
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[12] = true,
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[14] = true,
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[20] = true,
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[22] = true
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}
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local vtj_north = {
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[8] = true,
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[10] = true,
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[13] = true,
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[15] = true,
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[17] = true,
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[19] = true
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}
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local vtj_east = {
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[4] = true,
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[6] = true,
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[8] = true,
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[10] = true,
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[17] = true,
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[19] = true
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}
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local vtj_south = {
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[4] = true,
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[6] = true,
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[13] = true,
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[15] = true,
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[17] = true,
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[10] = true
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}
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local vtj_west = {
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[4] = true,
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[6] = true,
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[8] = true,
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[10] = true,
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[13] = true,
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[15] = true
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}
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-- Initialize character texture cache
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local ctexcache = {}
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-- entity handling
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minetest.register_entity("signs_lib:text", {
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collisionbox = { 0, 0, 0, 0, 0, 0 },
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visual = "mesh",
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mesh = "signs_lib_standard_wall_sign_entity.obj",
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textures = {},
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static_save = false,
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backface_culling = false
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})
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function signs_lib.delete_objects(pos)
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local objects = minetest.get_objects_inside_radius(pos, 0.5)
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for _, v in ipairs(objects) do
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v:remove()
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end
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end
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function signs_lib.spawn_entity(pos, texture)
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local node = minetest.get_node(pos)
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local def = minetest.registered_items[node.name]
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if not def or not def.entity_info then return end
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local text_scale = (node and node.text_scale) or signs_lib.default_text_scale
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local objects = minetest.get_objects_inside_radius(pos, 0.5)
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local obj
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if #objects > 0 then
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obj = objects[1]
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else
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obj = minetest.add_entity(pos, "signs_lib:text")
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end
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local yaw = def.entity_info.yaw[node.param2 + 1]
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local pitch = 0
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if not string.find(node.name, "onpole") and not string.find(node.name, "hanging") then
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local rot90 = math.pi/2
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if def.paramtype2 == "wallmounted" then
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if node.param2 == 1 then -- on floor
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pitch = -rot90
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yaw = 0
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elseif node.param2 == 0 then -- on ceiling
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pitch = rot90
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yaw = math.pi
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end
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elseif def.paramtype2 == "facedir" then
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if node.param2 == 4 then
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pitch = -rot90
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yaw = 0
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elseif node.param2 == 6 then
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pitch = rot90
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yaw = math.pi
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end
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end
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end
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if yaw then
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obj:set_rotation({x = pitch, y = yaw, z=0})
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if not texture then
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obj:set_properties({
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mesh = def.entity_info.mesh,
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visual_size = text_scale,
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})
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else
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obj:set_properties({
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mesh = def.entity_info.mesh,
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visual_size = text_scale,
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textures={texture},
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})
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end
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end
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end
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-- rotation
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function signs_lib.handle_rotation(pos, node, user, mode)
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if not signs_lib.can_modify(pos, user)
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or mode ~= screwdriver.ROTATE_FACE then
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return false
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end
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local newparam2
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local tpos = pos
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local def = minetest.registered_items[node.name]
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if string.match(node.name, "_onpole") then
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if not string.match(node.name, "_horiz") then
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newparam2 = signs_lib.rotate_walldir_simple[node.param2] or 4
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local t = signs_lib.wall_fdir_to_back_left
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if def.paramtype2 ~= "wallmounted" then
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newparam2 = signs_lib.rotate_facedir_simple[node.param2] or 0
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t = signs_lib.fdir_to_back_left
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end
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tpos = {
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x = pos.x + t[node.param2][1],
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y = pos.y,
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z = pos.z + t[node.param2][2]
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}
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else
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-- flip the sign to the other side of the horizontal pole
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newparam2 = signs_lib.flip_walldir[node.param2] or 4
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local t = signs_lib.wall_fdir_flip_to_back
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if def.paramtype2 ~= "wallmounted" then
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newparam2 = signs_lib.flip_facedir[node.param2] or 0
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t = signs_lib.fdir_flip_to_back
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end
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tpos = {
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x = pos.x + t[node.param2][1],
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y = pos.y,
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z = pos.z + t[node.param2][2]
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}
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end
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local node2 = minetest.get_node(tpos)
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local def2 = minetest.registered_items[node2.name]
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if not def2 or not def2.buildable_to then return true end -- undefined, or not buildable_to.
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minetest.set_node(tpos, {name = node.name, param2 = newparam2})
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minetest.get_meta(tpos):from_table(minetest.get_meta(pos):to_table())
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minetest.remove_node(pos)
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signs_lib.delete_objects(pos)
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elseif string.match(node.name, "_hanging") or string.match(node.name, "yard") then
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minetest.swap_node(tpos, { name = node.name, param2 = signs_lib.rotate_facedir_simple[node.param2] or 0 })
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elseif minetest.registered_items[node.name].paramtype2 == "wallmounted" then
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minetest.swap_node(tpos, { name = node.name, param2 = signs_lib.rotate_walldir[node.param2] or 0 })
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else
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minetest.swap_node(tpos, { name = node.name, param2 = signs_lib.rotate_facedir[node.param2] or 0 })
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end
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signs_lib.delete_objects(tpos)
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signs_lib.update_sign(tpos)
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return true
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end
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-- infinite stacks
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if not minetest.settings:get_bool("creative_mode") then
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signs_lib.expect_infinite_stacks = false
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else
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signs_lib.expect_infinite_stacks = true
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end
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-- CONSTANTS
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-- Path to the textures.
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local TP = signs_lib.path .. "/textures"
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-- Font file formatter
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local CHAR_FILE = "%s_%02x.png"
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-- Fonts path
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local CHAR_PATH = TP .. "/" .. CHAR_FILE
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-- Lots of overkill here. KISS advocates, go away, shoo! ;) -- kaeza
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local PNG_HDR = string.char(0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A)
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-- check if a file does exist
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-- to avoid reopening file after checking again
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-- pass TRUE as second argument
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local function file_exists(name, return_handle, mode)
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mode = mode or "r";
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local f = io.open(name, mode)
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if f ~= nil then
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if (return_handle) then
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return f
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end
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io.close(f)
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return true
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else
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return false
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end
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end
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-- Read the image size from a PNG file.
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-- Returns image_w, image_h.
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-- Only the LSB is read from each field!
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function signs_lib.read_image_size(filename)
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local f = file_exists(filename, true, "rb")
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-- file might not exist (don't crash the game)
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if (not f) then
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return 0, 0
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end
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f:seek("set", 0x0)
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local hdr = f:read(string.len(PNG_HDR))
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if hdr ~= PNG_HDR then
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f:close()
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return
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end
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f:seek("set", 0x13)
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local ws = f:read(1)
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f:seek("set", 0x17)
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local hs = f:read(1)
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f:close()
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return ws:byte(), hs:byte()
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end
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-- 4 rows, max 80 chars per, plus a bit of fudge to
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-- avoid excess trimming (e.g. due to color codes)
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local MAX_INPUT_CHARS = 400
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-- helper functions to trim sign text input/output
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local function trim_input(text)
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return text:sub(1, math.min(MAX_INPUT_CHARS, text:len()))
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end
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local function build_char_db(font_size)
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local cw = {}
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-- To calculate average char width.
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local total_width = 0
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local char_count = 0
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for c = 32, 255 do
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local w, h = signs_lib.read_image_size(CHAR_PATH:format("signs_lib_font_"..font_size.."px", c))
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if w and h then
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local ch = string.char(c)
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cw[ch] = w
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total_width = total_width + w
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char_count = char_count + 1
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end
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end
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local cbw, cbh = signs_lib.read_image_size(TP.."/signs_lib_color_"..font_size.."px_n.png")
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assert(cbw and cbh, "error reading bg dimensions")
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return cw, cbw, cbh, (total_width / char_count)
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end
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signs_lib.charwidth15,
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signs_lib.colorbgw15,
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signs_lib.lineheight15,
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signs_lib.avgwidth15 = build_char_db(15)
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signs_lib.charwidth31,
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signs_lib.colorbgw31,
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signs_lib.lineheight31,
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signs_lib.avgwidth31 = build_char_db(31)
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local sign_groups = {choppy=2, dig_immediate=2}
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local fences_with_sign = { }
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-- some local helper functions
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local math_max = math.max
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local function fill_line(x, y, w, c, font_size, colorbgw)
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c = c or "0"
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local tex = { }
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for xx = 0, math.max(0, w), colorbgw do
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table.insert(tex, (":%d,%d=signs_lib_color_"..font_size.."px_%s.png"):format(x + xx, y, c))
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end
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return table.concat(tex)
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end
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-- make char texture file name
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-- if texture file does not exist use fallback texture instead
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local function char_tex(font_name, ch)
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if ctexcache[font_name..ch] then
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return ctexcache[font_name..ch], true
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else
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local c = ch:byte()
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local exists, tex = file_exists(CHAR_PATH:format(font_name, c))
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if exists and c ~= 14 then
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tex = CHAR_FILE:format(font_name, c)
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else
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tex = CHAR_FILE:format(font_name, 0x0)
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end
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ctexcache[font_name..ch] = tex
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return tex, exists
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end
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end
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local function make_line_texture(line, lineno, pos, line_width, line_height, cwidth_tab, font_size, colorbgw)
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local width = 0
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local maxw = 0
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local font_name = "signs_lib_font_"..font_size.."px"
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local words = { }
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local node = minetest.get_node(pos)
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local def = minetest.registered_items[node.name]
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local default_color = def.default_color or 0
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local cur_color = tonumber(default_color, 16)
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-- We check which chars are available here.
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for word_i, word in ipairs(line) do
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local chars = { }
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local ch_offs = 0
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word = string.gsub(word, "%^[12345678abcdefgh]", {
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["^1"] = string.char(0x81),
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["^2"] = string.char(0x82),
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["^3"] = string.char(0x83),
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["^4"] = string.char(0x84),
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["^5"] = string.char(0x85),
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["^6"] = string.char(0x86),
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["^7"] = string.char(0x87),
|
|
["^8"] = string.char(0x88),
|
|
["^a"] = string.char(0x8a),
|
|
["^b"] = string.char(0x8b),
|
|
["^c"] = string.char(0x8c),
|
|
["^d"] = string.char(0x8d),
|
|
["^e"] = string.char(0x8e),
|
|
["^f"] = string.char(0x8f),
|
|
["^g"] = string.char(0x90),
|
|
["^h"] = string.char(0x91)
|
|
})
|
|
local word_l = #word
|
|
local i = 1
|
|
while i <= word_l do
|
|
local c = word:sub(i, i)
|
|
if c == "#" then
|
|
local cc = tonumber(word:sub(i+1, i+1), 16)
|
|
if cc then
|
|
i = i + 1
|
|
cur_color = cc
|
|
end
|
|
else
|
|
local w = cwidth_tab[c]
|
|
if w then
|
|
width = width + w + 1
|
|
if width >= (line_width - cwidth_tab[" "]) then
|
|
width = 0
|
|
else
|
|
maxw = math_max(width, maxw)
|
|
end
|
|
if #chars < MAX_INPUT_CHARS then
|
|
table.insert(chars, {
|
|
off = ch_offs,
|
|
tex = char_tex(font_name, c),
|
|
col = ("%X"):format(cur_color),
|
|
})
|
|
end
|
|
ch_offs = ch_offs + w
|
|
end
|
|
end
|
|
i = i + 1
|
|
end
|
|
width = width + cwidth_tab[" "] + 1
|
|
maxw = math_max(width, maxw)
|
|
table.insert(words, { chars=chars, w=ch_offs })
|
|
end
|
|
|
|
-- Okay, we actually build the "line texture" here.
|
|
|
|
local texture = { }
|
|
|
|
local start_xpos = math.floor((line_width - maxw) / 2) + def.x_offset
|
|
|
|
local xpos = start_xpos
|
|
local ypos = (line_height + def.line_spacing)* lineno + def.y_offset
|
|
|
|
cur_color = nil
|
|
|
|
for word_i, word in ipairs(words) do
|
|
local xoffs = (xpos - start_xpos)
|
|
if (xoffs > 0) and ((xoffs + word.w) > maxw) then
|
|
table.insert(texture, fill_line(xpos, ypos, maxw, "n", font_size, colorbgw))
|
|
xpos = start_xpos
|
|
ypos = ypos + line_height + def.line_spacing
|
|
lineno = lineno + 1
|
|
if lineno >= def.number_of_lines then break end
|
|
table.insert(texture, fill_line(xpos, ypos, maxw, cur_color, font_size, colorbgw))
|
|
end
|
|
for ch_i, ch in ipairs(word.chars) do
|
|
if ch.col ~= cur_color then
|
|
cur_color = ch.col
|
|
table.insert(texture, fill_line(xpos + ch.off, ypos, maxw, cur_color, font_size, colorbgw))
|
|
end
|
|
table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, ch.tex))
|
|
end
|
|
table.insert(
|
|
texture,
|
|
(":%d,%d="):format(xpos + word.w, ypos) .. char_tex(font_name, " ")
|
|
)
|
|
xpos = xpos + word.w + cwidth_tab[" "]
|
|
if xpos >= (line_width + cwidth_tab[" "]) then break end
|
|
end
|
|
|
|
table.insert(texture, fill_line(xpos, ypos, maxw, "n", font_size, colorbgw))
|
|
table.insert(texture, fill_line(start_xpos, ypos + line_height, maxw, "n", font_size, colorbgw))
|
|
|
|
return table.concat(texture), lineno
|
|
end
|
|
|
|
local function make_sign_texture(lines, pos)
|
|
local node = minetest.get_node(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
|
|
local def = minetest.registered_items[node.name]
|
|
if not def or not def.entity_info then return end
|
|
|
|
local font_size
|
|
local line_width
|
|
local line_height
|
|
local char_width
|
|
local colorbgw
|
|
local widemult = 1
|
|
|
|
if meta:get_int("widefont") == 1 then
|
|
widemult = 0.5
|
|
end
|
|
|
|
if def.font_size and def.font_size == 31 then
|
|
font_size = 31
|
|
line_width = math.floor(signs_lib.avgwidth31 * def.chars_per_line) * (def.horiz_scaling * widemult)
|
|
line_height = signs_lib.lineheight31
|
|
char_width = signs_lib.charwidth31
|
|
colorbgw = signs_lib.colorbgw31
|
|
else
|
|
font_size = 15
|
|
line_width = math.floor(signs_lib.avgwidth15 * def.chars_per_line) * (def.horiz_scaling * widemult)
|
|
line_height = signs_lib.lineheight15
|
|
char_width = signs_lib.charwidth15
|
|
colorbgw = signs_lib.colorbgw15
|
|
end
|
|
|
|
local texture = { ("[combine:%dx%d"):format(line_width, (line_height + def.line_spacing) * def.number_of_lines * def.vert_scaling) }
|
|
|
|
local lineno = 0
|
|
for i = 1, #lines do
|
|
if lineno >= def.number_of_lines then break end
|
|
local linetex, ln = make_line_texture(lines[i], lineno, pos, line_width, line_height, char_width, font_size, colorbgw)
|
|
table.insert(texture, linetex)
|
|
lineno = ln + 1
|
|
end
|
|
table.insert(texture, "^[makealpha:0,0,0")
|
|
return table.concat(texture, "")
|
|
end
|
|
|
|
function signs_lib.split_lines_and_words(text)
|
|
if not text then return end
|
|
local lines = { }
|
|
for _, line in ipairs(text:split("\n")) do
|
|
table.insert(lines, line:split(" "))
|
|
end
|
|
return lines
|
|
end
|
|
|
|
function signs_lib.set_obj_text(pos, text)
|
|
local split = signs_lib.split_lines_and_words
|
|
local text_ansi = Utf8ToAnsi(text)
|
|
local n = minetest.registered_nodes[minetest.get_node(pos).name]
|
|
signs_lib.delete_objects(pos)
|
|
signs_lib.spawn_entity(pos, make_sign_texture(split(text_ansi), pos))
|
|
end
|
|
|
|
function signs_lib.construct_sign(pos)
|
|
local form = "size[6,4]"..
|
|
"textarea[0,-0.3;6.5,3;text;;${text}]"..
|
|
"background[-0.5,-0.5;7,5;signs_lib_sign_bg.jpg]"
|
|
local node = minetest.get_node(pos)
|
|
local def = minetest.registered_items[node.name]
|
|
local meta = minetest.get_meta(pos)
|
|
|
|
if def.allow_widefont then
|
|
local state = "off"
|
|
if meta:get_int("widefont") == 1 then state = "on" end
|
|
form = form.."label[1,3.4;Use wide font]"..
|
|
"image_button[1.1,3.7;1,0.6;signs_lib_switch_"..
|
|
state..".png;"..
|
|
state..";;;false;signs_lib_switch_interm.png]"..
|
|
"button_exit[3,3.4;2,1;ok;"..S("Write").."]"
|
|
else
|
|
form = form.."button_exit[2,3.4;2,1;ok;"..S("Write").."]"
|
|
end
|
|
|
|
meta:set_string("formspec", form)
|
|
local i = meta:get_string("infotext")
|
|
if i == "" then -- it wasn't even set, so set it.
|
|
meta:set_string("infotext", "")
|
|
end
|
|
end
|
|
|
|
function signs_lib.destruct_sign(pos)
|
|
signs_lib.delete_objects(pos)
|
|
end
|
|
|
|
local function make_infotext(text)
|
|
text = trim_input(text)
|
|
local lines = signs_lib.split_lines_and_words(text) or {}
|
|
local lines2 = { }
|
|
for _, line in ipairs(lines) do
|
|
table.insert(lines2, (table.concat(line, " "):gsub("#[0-9a-fA-F]", ""):gsub("##", "#")))
|
|
end
|
|
return table.concat(lines2, "\n")
|
|
end
|
|
|
|
function signs_lib.update_sign(pos, fields)
|
|
local meta = minetest.get_meta(pos)
|
|
|
|
local text = fields and fields.text or meta:get_string("text")
|
|
text = trim_input(text)
|
|
|
|
local owner = meta:get_string("owner")
|
|
local ownstr = ""
|
|
if owner ~= "" then ownstr = S("Locked sign, owned by @1\n", owner) end
|
|
|
|
meta:set_string("text", text)
|
|
meta:set_string("infotext", ownstr..make_infotext(text).." ")
|
|
signs_lib.set_obj_text(pos, text)
|
|
end
|
|
|
|
function signs_lib.receive_fields(pos, formname, fields, sender)
|
|
|
|
if not fields or not signs_lib.can_modify(pos, sender) then return end
|
|
|
|
if fields.text and fields.ok then
|
|
minetest.log("action", S("@1 wrote \"@2\" to sign at @3",
|
|
(sender:get_player_name() or ""),
|
|
fields.text:gsub('\\', '\\\\'):gsub("\n", "\\n"),
|
|
minetest.pos_to_string(pos)
|
|
))
|
|
signs_lib.update_sign(pos, fields)
|
|
elseif fields.on or fields.off then
|
|
local node = minetest.get_node(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local change
|
|
|
|
if fields.on and meta:get_int("widefont") == 1 then
|
|
meta:set_int("widefont", 0)
|
|
change = true
|
|
elseif fields.off and meta:get_int("widefont") == 0 then
|
|
meta:set_int("widefont", 1)
|
|
change = true
|
|
end
|
|
if change then
|
|
minetest.log("action", S("@1 flipped the wide-font switch to \"@2\" at @3",
|
|
(sender:get_player_name() or ""),
|
|
(fields.on and "off" or "on"),
|
|
minetest.pos_to_string(pos)
|
|
))
|
|
signs_lib.construct_sign(pos)
|
|
signs_lib.update_sign(pos, fields)
|
|
end
|
|
end
|
|
end
|
|
|
|
function signs_lib.can_modify(pos, player)
|
|
local meta = minetest.get_meta(pos)
|
|
local owner = meta:get_string("owner")
|
|
local playername = player:get_player_name()
|
|
|
|
if minetest.is_protected(pos, playername) then
|
|
minetest.record_protection_violation(pos, playername)
|
|
return false
|
|
end
|
|
|
|
if owner == ""
|
|
or playername == owner
|
|
or (minetest.check_player_privs(playername, {sign_editor=true}))
|
|
or (playername == minetest.settings:get("name")) then
|
|
return true
|
|
end
|
|
minetest.record_protection_violation(pos, playername)
|
|
return false
|
|
end
|
|
|
|
-- make selection boxes
|
|
-- sizex/sizey specified in inches because that's what MUTCD uses.
|
|
|
|
function signs_lib.make_selection_boxes(sizex, sizey, foo, xoffs, yoffs, zoffs, is_facedir)
|
|
|
|
local tx = (sizex * 0.0254 ) / 2
|
|
local ty = (sizey * 0.0254 ) / 2
|
|
local xo = xoffs and xoffs * 0.0254 or 0
|
|
local yo = yoffs and yoffs * 0.0254 or 0
|
|
local zo = zoffs and zoffs * 0.0254 or 0
|
|
|
|
if not is_facedir then
|
|
return {
|
|
type = "wallmounted",
|
|
wall_side = { -0.5 + zo, -ty + yo, -tx + xo, -0.4375 + zo, ty + yo, tx + xo },
|
|
wall_top = { -tx - xo, 0.5 + zo, -ty + yo, tx - xo, 0.4375 + zo, ty + yo},
|
|
wall_bottom = { -tx - xo, -0.5 + zo, -ty + yo, tx - xo, -0.4375 + zo, ty + yo }
|
|
}
|
|
else
|
|
return {
|
|
type = "fixed",
|
|
fixed = { -tx + xo, -ty + yo, 0.5 + zo, tx + xo, ty + yo, 0.4375 + zo}
|
|
}
|
|
end
|
|
end
|
|
|
|
function signs_lib.check_for_pole(pos, pointed_thing)
|
|
local node = minetest.get_node(pos)
|
|
local def = minetest.registered_items[node.name]
|
|
|
|
local ppos = minetest.get_pointed_thing_position(pointed_thing)
|
|
local pnode = minetest.get_node(ppos)
|
|
local pdef = minetest.registered_items[pnode.name]
|
|
|
|
if (signs_lib.allowed_poles[pnode.name]
|
|
or (pdef and pdef.drawtype == "fencelike")
|
|
or string.find(pnode.name, "default:fence_")
|
|
or string.find(pnode.name, "_post")
|
|
or string.find(pnode.name, "fencepost")
|
|
or string.find(pnode.name, "streets:streetlamp_basic_top")
|
|
or (pnode.name == "streets:bigpole" and pnode.param2 < 4)
|
|
or (pnode.name == "streets:bigpole" and pnode.param2 > 19 and pnode.param2 < 24) )
|
|
and (pos.x ~= ppos.x or pos.z ~= ppos.z) then
|
|
return true
|
|
elseif pnode.name == "streets:bigpole_tjunction" then
|
|
if def.paramtype2 == "wallmounted" then
|
|
if (node.param2 == 4 and vtj_north[pnode.param2])
|
|
or (node.param2 == 2 and vtj_east[pnode.param2])
|
|
or (node.param2 == 5 and vtj_south[pnode.param2])
|
|
or (node.param2 == 3 and vtj_west[pnode.param2]) then
|
|
return true
|
|
end
|
|
else
|
|
if (node.param2 == 0 and vtj_north[pnode.param2])
|
|
or (node.param2 == 1 and vtj_east[pnode.param2])
|
|
or (node.param2 == 2 and vtj_south[pnode.param2])
|
|
or (node.param2 == 3 and vtj_west[pnode.param2]) then
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function signs_lib.check_for_horizontal_pole(pos, pointed_thing)
|
|
local node = minetest.get_node(pos)
|
|
local def = minetest.registered_items[node.name]
|
|
local ppos = minetest.get_pointed_thing_position(pointed_thing)
|
|
local pnode = minetest.get_node(ppos)
|
|
if pnode.name == "streets:bigpole" and pnode.param2 > 3 and pnode.param2 < 12 then
|
|
if def.paramtype2 == "wallmounted" then
|
|
if node.param2 == 2 or node.param2 == 3 -- E/W
|
|
then return true
|
|
end
|
|
else
|
|
if node.param2 == 1 or node.param2 == 3 -- E/W
|
|
then return true
|
|
end
|
|
end
|
|
elseif pnode.name == "streets:bigpole" and pnode.param2 > 11 and pnode.param2 < 20 then
|
|
if def.paramtype2 == "wallmounted" then
|
|
if node.param2 == 4 or node.param2 == 5 then
|
|
return true
|
|
end
|
|
else
|
|
if node.param2 == 0 or node.param2 == 2 then
|
|
return true
|
|
end
|
|
end
|
|
elseif pnode.name == "streets:bigpole_tjunction" then
|
|
if def.paramtype2 == "wallmounted" then
|
|
if (node.param2 == 4 and htj_north[pnode.param2])
|
|
or (node.param2 == 2 and htj_east[pnode.param2])
|
|
or (node.param2 == 5 and htj_south[pnode.param2])
|
|
or (node.param2 == 3 and htj_west[pnode.param2]) then
|
|
return true
|
|
end
|
|
else
|
|
if (node.param2 == 0 and htj_north[pnode.param2])
|
|
or (node.param2 == 1 and htj_east[pnode.param2])
|
|
or (node.param2 == 2 and htj_south[pnode.param2])
|
|
or (node.param2 == 3 and htj_west[pnode.param2]) then
|
|
return true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
function signs_lib.check_for_ceiling(pointed_thing)
|
|
if pointed_thing.above.x == pointed_thing.under.x
|
|
and pointed_thing.above.z == pointed_thing.under.z
|
|
and pointed_thing.above.y < pointed_thing.under.y then
|
|
return true
|
|
end
|
|
end
|
|
|
|
function signs_lib.check_for_floor(pointed_thing)
|
|
if pointed_thing.above.x == pointed_thing.under.x
|
|
and pointed_thing.above.z == pointed_thing.under.z
|
|
and pointed_thing.above.y > pointed_thing.under.y then
|
|
return true
|
|
end
|
|
end
|
|
|
|
function signs_lib.after_place_node(pos, placer, itemstack, pointed_thing, locked)
|
|
local playername = placer:get_player_name()
|
|
local def = minetest.registered_items[itemstack:get_name()]
|
|
|
|
local ppos = minetest.get_pointed_thing_position(pointed_thing)
|
|
local pnode = minetest.get_node(ppos)
|
|
local pdef = minetest.registered_items[pnode.name]
|
|
if def.allow_onpole and signs_lib.check_for_pole(pos, pointed_thing) then
|
|
local newparam2
|
|
local lookdir = minetest.yaw_to_dir(placer:get_look_horizontal())
|
|
if def.paramtype2 == "wallmounted" then
|
|
newparam2 = minetest.dir_to_wallmounted(lookdir)
|
|
else
|
|
newparam2 = minetest.dir_to_facedir(lookdir)
|
|
end
|
|
local node = minetest.get_node(pos)
|
|
minetest.swap_node(pos, {name = itemstack:get_name().."_onpole", param2 = newparam2})
|
|
elseif def.allow_onpole_horizontal and signs_lib.check_for_horizontal_pole(pos, pointed_thing) then
|
|
local newparam2
|
|
local lookdir = minetest.yaw_to_dir(placer:get_look_horizontal())
|
|
if def.paramtype2 == "wallmounted" then
|
|
newparam2 = minetest.dir_to_wallmounted(lookdir)
|
|
else
|
|
newparam2 = minetest.dir_to_facedir(lookdir)
|
|
end
|
|
local node = minetest.get_node(pos)
|
|
minetest.swap_node(pos, {name = itemstack:get_name().."_onpole_horiz", param2 = newparam2})
|
|
elseif def.allow_hanging and signs_lib.check_for_ceiling(pointed_thing) then
|
|
local newparam2 = minetest.dir_to_facedir(placer:get_look_dir())
|
|
local node = minetest.get_node(pos)
|
|
minetest.swap_node(pos, {name = itemstack:get_name().."_hanging", param2 = newparam2})
|
|
elseif def.paramtype2 == "facedir" and signs_lib.check_for_ceiling(pointed_thing) then
|
|
minetest.swap_node(pos, {name = itemstack:get_name(), param2 = 6})
|
|
elseif def.paramtype2 == "facedir" and signs_lib.check_for_floor(pointed_thing) then
|
|
minetest.swap_node(pos, {name = itemstack:get_name(), param2 = 4})
|
|
end
|
|
if locked then
|
|
local meta = minetest.get_meta(pos)
|
|
meta:set_string("owner", playername)
|
|
meta:set_string("infotext", S("Locked sign, owned by @1\n", playername))
|
|
end
|
|
end
|
|
|
|
function signs_lib.register_fence_with_sign()
|
|
minetest.log("warning", "[signs_lib] ".."Attempt to call no longer used function signs_lib.register_fence_with_sign()")
|
|
end
|
|
|
|
--[[
|
|
The main sign registration function
|
|
===================================
|
|
|
|
Example minimal recommended def for writable signs:
|
|
|
|
signs_lib.register_sign("foo:my_cool_sign", {
|
|
description = "Wooden cool sign",
|
|
inventory_image = "signs_lib_sign_cool_inv.png",
|
|
tiles = {
|
|
"signs_lib_sign_cool.png",
|
|
"signs_lib_sign_cool_edges.png"
|
|
},
|
|
number_of_lines = 2,
|
|
horiz_scaling = 0.8,
|
|
vert_scaling = 1,
|
|
line_spacing = 9,
|
|
font_size = 31,
|
|
x_offset = 7,
|
|
y_offset = 4,
|
|
chars_per_line = 40,
|
|
entity_info = "standard"
|
|
})
|
|
|
|
* default def assumes a wallmounted sign with on-pole being allowed.
|
|
|
|
*For signs that can support being on a pole, include in the def:
|
|
allow_onpole = true,
|
|
(defaults to disabled)
|
|
|
|
*For signs that can support being on a horizontal pole, include in the def:
|
|
allow_onpole_horizontal = true,
|
|
(defaults to disabled)
|
|
|
|
* onpole/onpole_horizontal are independent; one may be allowed without the other
|
|
|
|
* "standard" entity info implies the standard wood/steel sign model, in
|
|
wallmounted mode. For facedir signs using the standard model, use:
|
|
|
|
entity_info = {
|
|
mesh = "signs_lib_standard_wall_sign_entity.obj",
|
|
yaw = signs_lib.standard_yaw
|
|
},
|
|
|
|
]]--
|
|
|
|
function signs_lib.register_sign(name, rdef)
|
|
local def = table.copy(rdef)
|
|
|
|
if rdef.entity_info == "standard" then
|
|
def.entity_info = {
|
|
mesh = "signs_lib_standard_wall_sign_entity.obj",
|
|
yaw = signs_lib.wallmounted_yaw
|
|
}
|
|
elseif rdef.entity_info then
|
|
def.entity_info = rdef.entity_info
|
|
end
|
|
|
|
def.after_place_node = rdef.after_place_node or signs_lib.after_place_node
|
|
|
|
if rdef.entity_info then
|
|
def.on_rightclick = rdef.on_rightclick or signs_lib.construct_sign
|
|
def.on_construct = rdef.on_construct or signs_lib.construct_sign
|
|
def.on_destruct = rdef.on_destruct or signs_lib.destruct_sign
|
|
def.on_receive_fields = rdef.on_receive_fields or signs_lib.receive_fields
|
|
def.on_punch = rdef.on_punch or signs_lib.update_sign
|
|
def.number_of_lines = rdef.number_of_lines or signs_lib.standard_lines
|
|
def.horiz_scaling = rdef.horiz_scaling or signs_lib.standard_hscale
|
|
def.vert_scaling = rdef.vert_scaling or signs_lib.standard_vscale
|
|
def.line_spacing = rdef.line_spacing or signs_lib.standard_lspace
|
|
def.font_size = rdef.font_size or signs_lib.standard_fsize
|
|
def.x_offset = rdef.x_offset or signs_lib.standard_xoffs
|
|
def.y_offset = rdef.y_offset or signs_lib.standard_yoffs
|
|
def.chars_per_line = rdef.chars_per_line or signs_lib.standard_cpl
|
|
def.default_color = rdef.default_color or "0"
|
|
if rdef.locked and not rdef.after_place_node then
|
|
def.after_place_node = function(pos, placer, itemstack, pointed_thing)
|
|
signs_lib.after_place_node(pos, placer, itemstack, pointed_thing, true)
|
|
end
|
|
end
|
|
end
|
|
|
|
def.paramtype = rdef.paramtype or "light"
|
|
def.drawtype = rdef.drawtype or "mesh"
|
|
def.mesh = rdef.mesh or "signs_lib_standard_wall_sign.obj"
|
|
def.wield_image = rdef.wield_image or def.inventory_image
|
|
def.drop = rdef.drop or name
|
|
def.sounds = rdef.sounds or signs_lib.standard_wood_sign_sounds
|
|
def.paramtype2 = rdef.paramtype2 or "wallmounted"
|
|
def.on_rotate = rdef.on_rotate or signs_lib.handle_rotation
|
|
|
|
if rdef.groups then
|
|
def.groups = rdef.groups
|
|
else
|
|
def.groups = signs_lib.standard_wood_groups
|
|
end
|
|
|
|
local cbox = signs_lib.make_selection_boxes(35, 25)
|
|
|
|
def.selection_box = rdef.selection_box or cbox
|
|
def.node_box = table.copy(rdef.node_box or rdef.selection_box or cbox)
|
|
|
|
if def.sunlight_propagates ~= false then
|
|
def.sunlight_propagates = true
|
|
end
|
|
|
|
minetest.register_node(":"..name, def)
|
|
table.insert(signs_lib.lbm_restore_nodes, name)
|
|
|
|
local opdef = table.copy(def)
|
|
|
|
if rdef.allow_onpole or rdef.allow_onpole_horizontal then
|
|
|
|
local offset = 0.3125
|
|
if opdef.uses_slim_pole_mount then
|
|
offset = 0.35
|
|
end
|
|
|
|
opdef.selection_box = rdef.onpole_selection_box or opdef.selection_box
|
|
opdef.node_box = rdef.onpole_node_box or opdef.selection_box
|
|
|
|
if opdef.paramtype2 == "wallmounted" then
|
|
opdef.node_box.wall_side[1] = def.node_box.wall_side[1] - offset
|
|
opdef.node_box.wall_side[4] = def.node_box.wall_side[4] - offset
|
|
|
|
opdef.selection_box.wall_side[1] = def.selection_box.wall_side[1] - offset
|
|
opdef.selection_box.wall_side[4] = def.selection_box.wall_side[4] - offset
|
|
else
|
|
opdef.node_box.fixed[3] = def.node_box.fixed[3] + offset
|
|
opdef.node_box.fixed[6] = def.node_box.fixed[6] + offset
|
|
|
|
opdef.selection_box.fixed[3] = def.selection_box.fixed[3] + offset
|
|
opdef.selection_box.fixed[6] = def.selection_box.fixed[6] + offset
|
|
end
|
|
|
|
opdef.groups.not_in_creative_inventory = 1
|
|
opdef.mesh = string.gsub(opdef.mesh, ".obj$", "_onpole.obj")
|
|
|
|
if opdef.entity_info then
|
|
opdef.entity_info.mesh = string.gsub(opdef.entity_info.mesh, ".obj$", "_onpole.obj")
|
|
end
|
|
end
|
|
|
|
-- setting one of item 3 or 4 to a texture and leaving the other "blank",
|
|
-- reveals either the vertical or horizontal pole mount part of the model
|
|
|
|
if rdef.allow_onpole then
|
|
opdef.tiles[3] = "signs_lib_pole_mount.png"
|
|
opdef.tiles[4] = "signs_lib_blank.png"
|
|
minetest.register_node(":"..name.."_onpole", opdef)
|
|
table.insert(signs_lib.lbm_restore_nodes, name.."_onpole")
|
|
end
|
|
|
|
local ophdef = table.copy(opdef)
|
|
|
|
if rdef.allow_onpole_horizontal then
|
|
ophdef.tiles[3] = "signs_lib_blank.png"
|
|
ophdef.tiles[4] = "signs_lib_pole_mount.png"
|
|
minetest.register_node(":"..name.."_onpole_horiz", ophdef)
|
|
table.insert(signs_lib.lbm_restore_nodes, name.."_onpole_horiz")
|
|
end
|
|
|
|
if rdef.allow_hanging then
|
|
|
|
local hdef = table.copy(def)
|
|
hdef.paramtype2 = "facedir"
|
|
|
|
local hcbox = signs_lib.make_selection_boxes(35, 32, nil, 0, 3, -18.5, true)
|
|
|
|
hdef.selection_box = rdef.hanging_selection_box or hcbox
|
|
hdef.node_box = rdef.hanging_node_box or rdef.hanging_selection_box or hcbox
|
|
|
|
hdef.groups.not_in_creative_inventory = 1
|
|
hdef.tiles[3] = "signs_lib_hangers.png"
|
|
hdef.mesh = string.gsub(string.gsub(hdef.mesh, "_facedir.obj", ".obj"), ".obj$", "_hanging.obj")
|
|
|
|
if hdef.entity_info then
|
|
hdef.entity_info.mesh = string.gsub(string.gsub(hdef.entity_info.mesh, "_facedir.obj", ".obj"), ".obj$", "_hanging.obj")
|
|
hdef.entity_info.yaw = signs_lib.standard_yaw
|
|
end
|
|
|
|
minetest.register_node(":"..name.."_hanging", hdef)
|
|
table.insert(signs_lib.lbm_restore_nodes, name.."_hanging")
|
|
end
|
|
|
|
if rdef.allow_widefont then
|
|
table.insert(signs_lib.old_widefont_signs, name.."_widefont")
|
|
end
|
|
end
|
|
|
|
-- restore signs' text after /clearobjects and the like, the next time
|
|
-- a block is reloaded by the server.
|
|
|
|
minetest.register_lbm({
|
|
nodenames = signs_lib.lbm_restore_nodes,
|
|
name = "signs_lib:restore_sign_text",
|
|
label = "Restore sign text",
|
|
run_at_every_load = true,
|
|
action = function(pos, node)
|
|
signs_lib.update_sign(pos,nil,nil,node)
|
|
end
|
|
})
|
|
|
|
-- Convert old signs on fenceposts into signs on.. um.. fence posts :P
|
|
|
|
minetest.register_lbm({
|
|
nodenames = signs_lib.old_fenceposts_with_signs,
|
|
name = "signs_lib:fix_fencepost_signs",
|
|
label = "Change single-node signs on fences into normal",
|
|
run_at_every_load = true,
|
|
action = function(pos, node)
|
|
|
|
local fdir = node.param2 % 8
|
|
local signpos = {
|
|
x = pos.x + signs_lib.fdir_to_back[fdir+1][1],
|
|
y = pos.y,
|
|
z = pos.z + signs_lib.fdir_to_back[fdir+1][2]
|
|
}
|
|
|
|
if minetest.get_node(signpos).name == "air" then
|
|
local new_wmdir = minetest.dir_to_wallmounted(minetest.facedir_to_dir(fdir))
|
|
local oldfence = signs_lib.old_fenceposts[node.name]
|
|
local newsign = signs_lib.old_fenceposts_replacement_signs[node.name]
|
|
|
|
signs_lib.delete_objects(pos)
|
|
|
|
local oldmeta = minetest.get_meta(pos):to_table()
|
|
minetest.set_node(pos, {name = oldfence})
|
|
minetest.set_node(signpos, { name = newsign, param2 = new_wmdir })
|
|
local newmeta = minetest.get_meta(signpos)
|
|
newmeta:from_table(oldmeta)
|
|
signs_lib.update_sign(signpos)
|
|
end
|
|
end
|
|
})
|
|
|
|
-- Convert widefont sign nodes to use one base node with meta flag to select wide mode
|
|
|
|
minetest.register_lbm({
|
|
nodenames = signs_lib.old_widefont_signs,
|
|
name = "signs_lib:convert_widefont_signs",
|
|
label = "Convert widefont sign nodes",
|
|
run_at_every_load = false,
|
|
action = function(pos, node)
|
|
local basename = string.gsub(node.name, "_widefont", "")
|
|
minetest.swap_node(pos, {name = basename, param2 = node.param2})
|
|
local meta = minetest.get_meta(pos)
|
|
meta:set_int("widefont", 1)
|
|
signs_lib.delete_objects(pos)
|
|
signs_lib.update_sign(pos)
|
|
end
|
|
})
|
|
|
|
-- Maintain a list of currently-loaded blocks
|
|
minetest.register_lbm({
|
|
nodenames = {"group:sign"},
|
|
name = "signs_lib:update_block_list",
|
|
label = "Update list of loaded blocks, log only those with signs",
|
|
run_at_every_load = true,
|
|
action = function(pos, node)
|
|
-- yeah, yeah... I know I'm hashing a block pos, but it's still just a set of coords
|
|
local hash = minetest.hash_node_position(vector.floor(vector.divide(pos, core.MAP_BLOCKSIZE)))
|
|
if not signs_lib.block_list[hash] then
|
|
signs_lib.block_list[hash] = true
|
|
signs_lib.totalblocks = signs_lib.totalblocks + 1
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_chatcommand("regen_signs", {
|
|
params = "",
|
|
privs = {server = true},
|
|
description = "Skims through all currently-loaded sign-bearing mapblocks, clears away any entities within each sign's node space, and regenerates their text entities, if any.",
|
|
func = function(player_name, params)
|
|
local allsigns = {}
|
|
local totalsigns = 0
|
|
for b in pairs(signs_lib.block_list) do
|
|
local blockpos = minetest.get_position_from_hash(b)
|
|
local pos1 = vector.multiply(blockpos, core.MAP_BLOCKSIZE)
|
|
local pos2 = vector.add(pos1, core.MAP_BLOCKSIZE - 1)
|
|
if minetest.get_node_or_nil(vector.add(pos1, core.MAP_BLOCKSIZE/2)) then
|
|
local signs_in_block = minetest.find_nodes_in_area(pos1, pos2, {"group:sign"})
|
|
allsigns[#allsigns + 1] = signs_in_block
|
|
totalsigns = totalsigns + #signs_in_block
|
|
else
|
|
signs_lib.block_list[b] = nil -- if the block is no longer loaded, remove it from the table
|
|
signs_lib.totalblocks = signs_lib.totalblocks - 1
|
|
end
|
|
end
|
|
if signs_lib.totalblocks < 0 then signs_lib.totalblocks = 0 end
|
|
if totalsigns == 0 then
|
|
minetest.chat_send_player(player_name, "There are no signs in the currently-loaded terrain.")
|
|
signs_lib.block_list = {}
|
|
return
|
|
end
|
|
|
|
minetest.chat_send_player(player_name, "Found a total of "..totalsigns.." sign nodes across "..signs_lib.totalblocks.." blocks.")
|
|
minetest.chat_send_player(player_name, "Regenerating sign entities...")
|
|
|
|
for _, b in pairs(allsigns) do
|
|
for _, pos in ipairs(b) do
|
|
signs_lib.delete_objects(pos)
|
|
local node = minetest.get_node(pos)
|
|
local def = minetest.registered_items[node.name]
|
|
if def and def.entity_info then
|
|
signs_lib.update_sign(pos)
|
|
end
|
|
end
|
|
end
|
|
minetest.chat_send_player(player_name, "Finished.")
|
|
end
|
|
})
|