First commit

changelog.txt

@@ -0,0 +1,9 @@
+This mod is modified by PilzAdam
+
+Changes:
+- Remove shadows under signs
+- New input system: - There is just one text line that automatically will be splitted up to the lines on the sign
+                    - You can force a newline with " | "
+- It overrides the default signs
+
+License of code: WTFPL

characters

@@ -0,0 +1,279 @@
+A
+_a_
+4
+B
+_b_
+4
+C
+_c_
+3
+D
+_d_
+4
+E
+_e_
+3
+F
+_f_
+3
+G
+_g_
+4
+H
+_h_
+4
+I
+_i_
+3
+J
+_j_
+4
+K
+_k_
+4
+L
+_l_
+3
+M
+_m_
+5
+N
+_n_
+4
+O
+_o_
+4
+P
+_p_
+4
+Q
+_q_
+4
+R
+_r_
+4
+S
+_s_
+4
+T
+_t_
+3
+U
+_u_
+4
+V
+_v_
+4
+W
+_w_
+5
+X
+_x_
+4
+Y
+_y_
+4
+Z
+_z_
+3
+a
+_a
+4
+b
+_b
+4
+c
+_c
+3
+d
+_d
+4
+e
+_e
+4
+f
+_f
+3
+g
+_g
+4
+h
+_h
+4
+i
+_i
+1
+j
+_j
+2
+k
+_k
+4
+l
+_l
+1
+m
+_m
+5
+n
+_n
+4
+o
+_o
+4
+p
+_p
+4
+q
+_q
+4
+r
+_r
+3
+s
+_s
+4
+t
+_t
+3
+u
+_u
+4
+v
+_v
+4
+w
+_w
+5
+x
+_x
+3
+y
+_y
+4
+z
+_z
+4
+ 
+_sp
+2
+0
+_0
+4
+1
+_1
+2
+2
+_2
+4
+3
+_3
+4
+4
+_4
+4
+5
+_5
+4
+6
+_6
+4
+7
+_7
+4
+8
+_8
+4
+9
+_9
+4
+(
+_bl
+2
+)
+_br
+2
+{
+_cl
+3
+}
+_cr
+3
+[
+_sl
+2
+]
+_sr
+2
+'
+_ap
+1
+!
+_ex
+1
+?
+_qu
+4
+@
+_at
+5
+#
+_hs
+5
+$
+_dl
+4
+%
+_pr
+5
+^
+_ca
+3
+&
+_am
+5
+*
+_as
+3
+_
+_un
+3
++
+_ps
+3
+-
+_mn
+3
+=
+_eq
+3
+;
+_sm
+1
+,
+_cm
+2
+"
+_qo
+3
+/
+_dv
+5
+~
+_tl
+4
+<
+_lt
+3
+>
+_gt
+3
+\
+_re
+5
+|
+_vb
+1
+.
+_dt
+1

depends.txt

@@ -0,0 +1 @@
+default

init.lua

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+-- Font: 04.jp.org
+
+-- load characters map
+local chars_file = io.open(minetest.get_modpath("signs").."/characters", "r")
+local charmap = {}
+local charwidth = {}
+local max_chars = 16
+if not chars_file then
+    print("[signs] E: character map file not found")
+else
+    while true do
+        local char = chars_file:read("*l")
+        if char == nil then
+            break
+        end
+        local img = chars_file:read("*l")
+        local width = chars_file:read("*n")
+        chars_file:read("*l")
+        charmap[char] = img
+        charwidth[img] = width
+    end
+end
+
+--local metas = {"line1", "line2", "line3", "line4", "line5", "line6", "line7"}
+local signs = {
+    {delta = {x = 0, y = 0, z = 0.399}, yaw = 0},
+    {delta = {x = 0.399, y = 0, z = 0}, yaw = math.pi / -2},
+    {delta = {x = 0, y = 0, z = -0.399}, yaw = math.pi},
+    {delta = {x = -0.399, y = 0, z = 0}, yaw = math.pi / 2},
+}
+
+local signs_yard = {
+    {delta = {x = 0, y = 0, z = -0.05}, yaw = 0},
+    {delta = {x = -0.05, y = 0, z = 0}, yaw = math.pi / -2},
+    {delta = {x = 0, y = 0, z = 0.05}, yaw = math.pi},
+    {delta = {x = 0.05, y = 0, z = 0}, yaw = math.pi / 2},
+}
+
+local sign_groups = {choppy=2, dig_immediate=2}
+
+local construct_sign = function(pos)
+    local meta = minetest.env:get_meta(pos)
+	meta:set_string("formspec", "field[text;;${text}]")
+	meta:set_string("infotext", "")
+end
+
+local destruct_sign = function(pos)
+    local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
+    for _, v in ipairs(objects) do
+        if v:get_entity_name() == "signs:text" then
+            v:remove()
+        end
+    end
+end
+
+local update_sign = function(pos, fields)
+    local meta = minetest.env:get_meta(pos)
+	meta:set_string("infotext", "")
+	meta:set_string("text", fields.text)
+    local text = meta:get_string("text")
+    local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
+    for _, v in ipairs(objects) do
+        if v:get_entity_name() == "signs:text" then
+            v:set_properties({textures={generate_texture(create_lines(text))}})
+			return
+        end
+    end
+	
+	-- if there is no entity
+	local sign_info
+	if minetest.env:get_node(pos).name == "signs:sign_yard" then
+		sign_info = signs_yard[minetest.env:get_node(pos).param2 + 1]
+	elseif minetest.env:get_node(pos).name == "default:sign_wall" then
+		sign_info = signs[minetest.env:get_node(pos).param2 + 1]
+	end
+	if sign_info == nil then
+		return
+	end
+	local text = minetest.env:add_entity({x = pos.x + sign_info.delta.x,
+										y = pos.y + sign_info.delta.y,
+										z = pos.z + sign_info.delta.z}, "signs:text")
+	text:setyaw(sign_info.yaw)
+end
+
+minetest.register_node(":default:sign_wall", {
+    description = "Sign",
+    inventory_image = "default_sign_wall.png",
+    wield_image = "default_sign_wall.png",
+    node_placement_prediction = "",
+    paramtype = "light",
+	sunlight_propagates = true,
+    paramtype2 = "facedir",
+    drawtype = "nodebox",
+    node_box = {type = "fixed", fixed = {-0.45, -0.15, 0.4, 0.45, 0.45, 0.498}},
+    selection_box = {type = "fixed", fixed = {-0.45, -0.15, 0.4, 0.45, 0.45, 0.498}},
+    tiles = {"signs_top.png", "signs_bottom.png", "signs_side.png", "signs_side.png", "signs_back.png", "signs_front.png"},
+    walkable = false,
+    groups = sign_groups,
+
+    on_place = function(itemstack, placer, pointed_thing)
+        local above = pointed_thing.above
+        local under = pointed_thing.under
+        local dir = {x = under.x - above.x,
+                     y = under.y - above.y,
+                     z = under.z - above.z}
+
+        local wdir = minetest.dir_to_wallmounted(dir)
+
+        local placer_pos = placer:getpos()
+        if placer_pos then
+            dir = {
+                x = above.x - placer_pos.x,
+                y = above.y - placer_pos.y,
+                z = above.z - placer_pos.z
+            }
+        end
+
+        local fdir = minetest.dir_to_facedir(dir)
+
+        local sign_info
+        if wdir == 0 then
+            --how would you add sign to ceiling?
+            minetest.env:add_item(above, "default:sign_wall")
+            return ItemStack("")
+        elseif wdir == 1 then
+            minetest.env:add_node(above, {name = "signs:sign_yard", param2 = fdir})
+            sign_info = signs_yard[fdir + 1]
+        else
+            minetest.env:add_node(above, {name = "default:sign_wall", param2 = fdir})
+            sign_info = signs[fdir + 1]
+        end
+
+        local text = minetest.env:add_entity({x = above.x + sign_info.delta.x,
+                                              y = above.y + sign_info.delta.y,
+                                              z = above.z + sign_info.delta.z}, "signs:text")
+        text:setyaw(sign_info.yaw)
+
+        return ItemStack("")
+    end,
+    on_construct = function(pos)
+        construct_sign(pos)
+    end,
+    on_destruct = function(pos)
+        destruct_sign(pos)
+    end,
+    on_receive_fields = function(pos, formname, fields, sender)
+        update_sign(pos, fields)
+    end,
+})
+
+minetest.register_node("signs:sign_yard", {
+    paramtype = "light",
+	sunlight_propagates = true,
+    paramtype2 = "facedir",
+    drawtype = "nodebox",
+    node_box = {type = "fixed", fixed = {
+        {-0.45, -0.15, -0.049, 0.45, 0.45, 0.049},
+        {-0.05, -0.5, -0.049, 0.05, -0.15, 0.049}
+    }},
+    selection_box = {type = "fixed", fixed = {-0.45, -0.15, -0.049, 0.45, 0.45, 0.049}},
+    tiles = {"signs_top.png", "signs_bottom.png", "signs_side.png", "signs_side.png", "signs_back.png", "signs_front.png"},
+    walkable = false,
+    groups = {choppy=2, dig_immediate=2},
+    drop = "default:sign_wall",
+
+    on_construct = function(pos)
+        construct_sign(pos)
+    end,
+    on_destruct = function(pos)
+        destruct_sign(pos)
+    end,
+    on_receive_fields = function(pos, formname, fields, sender)
+        update_sign(pos, fields)
+    end,
+})
+
+minetest.register_entity("signs:text", {
+    collisionbox = { 0, 0, 0, 0, 0, 0 },
+    visual = "upright_sprite",
+    textures = {},
+
+    on_activate = function(self)
+        local meta = minetest.env:get_meta(self.object:getpos())
+        local text = meta:get_string("text")
+        self.object:set_properties({textures={generate_texture(create_lines(text))}})
+    end
+})
+
+local sign_width = 110
+local sign_padding = 8
+
+string_to_array = function(str)
+	local tab = {}
+	for i=1,string.len(str) do
+		table.insert(tab, string.sub(str, i,i))
+	end
+	return tab
+end
+
+string_to_word_array = function(str)
+	local tab = {}
+	local current = 1
+	tab[1] = ""
+	for _,char in ipairs(string_to_array(str)) do
+		if char ~= " " then
+			tab[current] = tab[current]..char
+		else
+			current = current+1
+			tab[current] = ""
+		end
+	end
+	return tab
+end
+
+LINE_LENGTH = 16
+NUMBER_OF_LINES = 7
+
+create_lines = function(text)
+	local line = ""
+	local line_num = 1
+	local tab = {}
+	for _,word in ipairs(string_to_word_array(text)) do
+		if string.len(line)+string.len(word) < LINE_LENGTH and word ~= "|" then
+			if line ~= "" then
+				line = line.." "..word
+			else
+				line = word
+			end
+		else
+			table.insert(tab, line)
+			if word ~= "|" then
+				line = word
+			else
+				line = ""
+			end
+			line_num = line_num+1
+			if line_num > NUMBER_OF_LINES then
+				return tab
+			end
+		end
+	end
+	table.insert(tab, line)
+	return tab
+end
+
+generate_texture = function(lines)
+    local texture = "[combine:"..sign_width.."x"..sign_width
+    local ypos = 12
+    for i = 1, #lines do
+        texture = texture..generate_line(lines[i], ypos)
+        ypos = ypos + 8
+    end
+    return texture
+end
+
+generate_line = function(s, ypos)
+    local i = 1
+    local parsed = {}
+    local width = 0
+    local chars = 0
+    while chars < max_chars and i <= #s do
+        local file = nil
+        if charmap[s:sub(i, i)] ~= nil then
+            file = charmap[s:sub(i, i)]
+            i = i + 1
+        elseif i < #s and charmap[s:sub(i, i + 1)] ~= nil then
+            file = charmap[s:sub(i, i + 1)]
+            i = i + 2
+        else
+            print("[signs] W: unknown symbol in '"..s.."' at "..i.." (probably "..s:sub(i, i)..")")
+            i = i + 1
+        end
+        if file ~= nil then
+            width = width + charwidth[file] + 1
+            table.insert(parsed, file)
+            chars = chars + 1
+        end
+    end
+    width = width - 1
+
+    local texture = ""
+    local xpos = math.floor((sign_width - 2 * sign_padding - width) / 2 + sign_padding)
+    for i = 1, #parsed do
+        texture = texture..":"..xpos..","..ypos.."="..parsed[i]..".png"
+        xpos = xpos + charwidth[parsed[i]] + 1
+    end
+    return texture
+end