diff options
Diffstat (limited to 'init.lua')
| -rw-r--r-- | init.lua | 88 |
1 files changed, 64 insertions, 24 deletions
@@ -16,8 +16,16 @@ local enable_colored_metal_signs = true local current_keyword = minetest.settings:get("interact_keyword") or "iaccept" signs_lib = {} +signs_lib.path = minetest.get_modpath(minetest.get_current_modname()) screwdriver = screwdriver or {} +-- Load support for intllib. +local S, NS = dofile(signs_lib.path .. "/intllib.lua") +signs_lib.gettext = S + +-- text encoding +dofile(signs_lib.path .. "/encoding.lua"); + signs_lib.wallmounted_rotate = function(pos, node, user, mode, new_param2) if mode ~= screwdriver.ROTATE_AXIS then return false end minetest.swap_node(pos, {name = node.name, param2 = (node.param2 + 1) % 6}) @@ -113,11 +121,6 @@ signs_lib.sign_post_model = { } } --- Load support for intllib. -local MP = minetest.get_modpath(minetest.get_current_modname()) -local S, NS = dofile(MP.."/intllib.lua") -signs_lib.gettext = S - -- the list of standard sign nodes signs_lib.sign_node_list = { @@ -174,28 +177,48 @@ end -- CONSTANTS -local MP = minetest.get_modpath("signs_lib") - --- Used by `build_char_db' to locate the file. -local FONT_FMT = "%s/hdf_%02x.png" - --- Simple texture name for building text texture. -local FONT_FMT_SIMPLE = "hdf_%02x.png" - -- Path to the textures. -local TP = MP.."/textures" +local TP = signs_lib.path .. "/textures" +-- Font file formatter +local CHAR_FILE = "%s_%02x.png" +-- Fonts path +local CHAR_PATH = TP .. "/" .. CHAR_FILE + +-- Font name. +local font_name = "hdf" -- Lots of overkill here. KISS advocates, go away, shoo! ;) -- kaeza local PNG_HDR = string.char(0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A) +-- check if a file does exist +-- to avoid reopening file after checking again +-- pass TRUE as second argument +function file_exists(name, return_handle, mode) + mode = mode or "r"; + local f = io.open(name, mode) + if f ~= nil then + if (return_handle) then + return f + end + io.close(f) + return true + else + return false + end +end + -- Read the image size from a PNG file. -- Returns image_w, image_h. -- Only the LSB is read from each field! local function read_image_size(filename) - local f = io.open(filename, "rb") + local f = file_exists(filename, true, "rb") + -- file might not exist (don't crash the game) + if (not f) then + return 0, 0 + end f:seek("set", 0x0) - local hdr = f:read(8) + local hdr = f:read(string.len(PNG_HDR)) if hdr ~= PNG_HDR then f:close() return @@ -243,8 +266,8 @@ local function build_char_db() local total_width = 0 local char_count = 0 - for c = 32, 126 do - local w, h = read_image_size(FONT_FMT:format(TP, c)) + for c = 32, 255 do + local w, h = read_image_size(CHAR_PATH:format(font_name, c)) if w and h then local ch = string.char(c) charwidth[ch] = w @@ -308,6 +331,19 @@ local function fill_line(x, y, w, c) return table.concat(tex) end +-- make char texture file name +-- if texture file does not exist use fallback texture instead +local function char_tex(font_name, ch) + local c = ch:byte() + local exists, tex = file_exists(CHAR_PATH:format(font_name, c)) + if exists and c ~= 14 then + tex = CHAR_FILE:format(font_name, c) + else + tex = CHAR_FILE:format(font_name, 0x0) + end + return tex, exists +end + local function make_line_texture(line, lineno, pos) local width = 0 @@ -344,9 +380,9 @@ local function make_line_texture(line, lineno, pos) end if #chars < MAX_INPUT_CHARS then table.insert(chars, { - off=ch_offs, - tex=FONT_FMT_SIMPLE:format(c:byte()), - col=("%X"):format(cur_color), + off = ch_offs, + tex = char_tex(font_name, c), + col = ("%X"):format(cur_color), }) end ch_offs = ch_offs + w @@ -387,7 +423,10 @@ local function make_line_texture(line, lineno, pos) end table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, ch.tex)) end - table.insert(texture, (":%d,%d=hdf_20.png"):format(xpos + word.w, ypos)) + table.insert( + texture, + (":%d,%d="):format(xpos + word.w, ypos) .. char_tex(font_name, " ") + ) xpos = xpos + word.w + charwidth[" "] if xpos >= (SIGN_WIDTH + charwidth[" "]) then break end end @@ -413,10 +452,11 @@ end local function set_obj_text(obj, text, new, pos) local split = new and split_lines_and_words or split_lines_and_words_old + local text_ansi = Utf8ToAnsi(text) local n = minetest.registered_nodes[minetest.get_node(pos).name] local text_scale = (n and n.text_scale) or DEFAULT_TEXT_SCALE obj:set_properties({ - textures={make_sign_texture(split(text), pos)}, + textures={make_sign_texture(split(text_ansi), pos)}, visual_size = text_scale, }) end @@ -636,7 +676,7 @@ function signs_lib.receive_fields(pos, formname, fields, sender, lock) if fields and fields.text and fields.ok then minetest.log("action", S("@1 wrote \"@2\" to @3sign at @4", (sender:get_player_name() or ""), - fields.text, + fields.text:gsub('\\', '\\\\'):gsub("\n", "\\n"), lockstr, minetest.pos_to_string(pos) )) |