Rework all nodes displaying text according to new font_api

display_api/init.lua

@@ -128,15 +128,15 @@ local function place_entities(pos)
 
 		for entity_name, props in pairs(ndef.display_entities) do
 			local depth = clip_pos_prop(props.depth)
-			local height = clip_pos_prop(props.height)
 			local right = clip_pos_prop(props.right)
+			local top = clip_pos_prop(props.top)
 			if not objrefs[entity_name] then
 				objrefs[entity_name] = minetest.add_entity(pos, entity_name)
 			end
 
 			objrefs[entity_name]:setpos({
 				x = pos.x - values.dx * depth + values.rx * right,
-				y = pos.y + height,
+				y = pos.y - top,
 				z = pos.z - values.dz * depth + values.rz * right})
 
 			objrefs[entity_name]:setyaw(values.yaw)
@@ -268,4 +268,4 @@ minetest.register_lbm({
 })
 
 -- Compatibility
-display_lib = display_api
+display_lib = display_api

font_api/font.lua

@@ -17,11 +17,6 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 --]]
 
-
---[[
-	Margins, spacings, can be negative numbers
-]]--
-
 -- Local functions
 ------------------
 
@@ -146,10 +141,10 @@ function font_api.Font:get_height(nb_of_lines)
 		return 
 			(
 				(self.height or 0) + 
-				(self.margin_top or 0) +
+				(self.margintop or 0) +
-				(self.margin_bottom or 0)
+				(self.marginbottom or 0)
 			) * nb_of_lines +
-			(self.line_spacing or 0) * (nb_of_lines -1)
+			(self.linespacing or 0) * (nb_of_lines -1)
 	else
 		return nb_of_lines == 0 and 0 or nil
 	end
@@ -192,6 +187,7 @@ function font_api.Font:make_line_texture(line, texturew, x, y)
 
 		-- Replace chars with no texture by the NULL(0) char
 		if self.widths[char] == nil 
+or char == 88
 		then
             print(string.format("["..font_api.name
                                 .."] Missing char %d (%04x)",char,char))
@@ -243,6 +239,8 @@ function font_api.Font:make_text_texture(text, texturew, textureh, maxlines,
             y = (textureh - textheight) / 2
         end
     end
+    
+    y = y + (self.margintop or 0)
 
 	for _, line in pairs(lines) do
 		if halign == "left" then
@@ -259,7 +257,7 @@ function font_api.Font:make_text_texture(text, texturew, textureh, maxlines,
 				(texturew - line.width) / 2, y)
 		end
 
-		y = y + self:get_height() + (self.line_spacing or 0)
+		y = y + self:get_height() + (self.linespacing or 0)
 	end
 
 	texture = string.format("[combine:%dx%d", texturew, textureh)..texture

font_api/init.lua

@@ -45,10 +45,14 @@ function font_api.on_display_update(pos, objref)
 	if entity and ndef.display_entities[entity.name] then
 		local def = ndef.display_entities[entity.name]
 		local font = font_api.get_font(meta:get_string("font") or def.font_name)
-		objref:set_properties({ 
+
-			textures={font:make_text_texture(text,
+		local maxlines = def.maxlines or 1 -- TODO:How to do w/o maxlines ?
-				def.size.x * def.resolution.x * font.height,
+
-				def.size.y * def.resolution.y * font.height,
+		objref:set_properties({ 		 
+			textures={font:make_text_texture(text, 
+				font:get_height(maxlines) * def.size.x / def.size.y
+					/ (def.aspect_ratio or 1),
+				font:get_height(maxlines),
 				def.maxlines, def.halign, def.valign, def.color)},
 			visual_size = def.size
 		})

signs/nodes.lua

@@ -30,12 +30,12 @@ local function display_poster(pos, node, player)
 	
 	-- Title texture
 	local titletexture = font:make_text_texture(
-		meta:get_string("display_text"), 116, 12, 1, "center")
+		meta:get_string("display_text"), font:get_height()*8.4, font:get_height(), 1, "center")
 
 	formspec =
 		"size[7,9]"..
 		"background[0,0;7,9;signs_poster_formspec.png]"..
-		"image[0,0;8.4,1.5;"..titletexture.."]"..
+		"image[0,-0.2;8.4,2;"..titletexture.."]"..
 		"textarea[0.3,1.5;7,8;;"..minetest.colorize("#111", minetest.formspec_escape(meta:get_string("text")))..";]"..
 		"bgcolor[#0000]"
 
@@ -105,7 +105,6 @@ local models = {
 		entity_fields = {
 			right = -3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5 },
 			maxlines = 2,
 			color="#000",
 		},
@@ -128,7 +127,6 @@ local models = {
 		entity_fields = {
 			right = 3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -150,10 +148,10 @@ local models = {
 		width = 26/32,
 		height = 30/32,
 		entity_fields = {
-			resolution = { x = 11, y = 5 },
+			top = -11/32,
+			size = { x = 26/32, y = 6/32 },
 			maxlines = 1,
-			color="#000",
+			color = "#000",
-			valign="top",
 		},
 		node_fields = {
 			description = S("Poster"),

signs_api/common.lua

@@ -1,188 +0,0 @@
---[[
-    signs mod for Minetest - Various signs with text displayed on
-    (c) Pierre-Yves Rollo
-
-    This file is part of signs.
-
-    signs is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    signs is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with signs.  If not, see <http://www.gnu.org/licenses/>.
---]]
-
-local S = signs_api.intllib
-local F = function(...) return minetest.formspec_escape(S(...)) end
-
-function signs_api.set_display_text(pos,text)
-	local meta = minetest.get_meta(pos)
-	meta:set_string("display_text", text)
-	meta:set_string("infotext", "\""..text.."\"")
-	display_api.update_entities(pos)
-end
-
-function signs_api.set_formspec(pos)
-	local meta = minetest.get_meta(pos)
-	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
-	if ndef and ndef.display_entities and ndef.display_entities["signs:display_text"] then
-		local maxlines = ndef.display_entities["signs:display_text"].maxlines
-		local formspec
-
-		if maxlines == 1 then
-			formspec = "size[6,3]"..
-				default.gui_bg .. default.gui_bg_img .. default.gui_slots ..
-				"field[0.5,0.7;5.5,1;display_text;"..F("Text")..";${display_text}]"..
-				"button_exit[2,2;2,1;ok;"..F("Write").."]"
-		else
-			local extralabel = ""
-			if maxlines then
-				extralabel = F(" (first %s lines only)"):format(maxlines)
-			end
-
-			formspec = "size[6,4]"..
-				default.gui_bg .. default.gui_bg_img .. default.gui_slots ..
-				"textarea[0.5,0.7;5.5,2;display_text;"..F("Text")..""..extralabel..";${display_text}]"..
-				"button_exit[2,3;2,1;ok;"..F("Write").."]"
-		end
-
-		meta:set_string("formspec", formspec)
-	end
-end
-
-function signs_api.on_receive_fields(pos, formname, fields, player)
-	if not minetest.is_protected(pos, player:get_player_name()) then
-		if fields and (fields.ok or fields.key_enter) then
-			signs_api.set_display_text(pos, fields.display_text)
-		end
-	end
-end
-
--- On place callback for direction signs
--- (chooses which sign according to look direction)
-function signs_api.on_place_direction(itemstack, placer, pointed_thing)
-	local name = itemstack:get_name()
-	local ndef = minetest.registered_nodes[name]
-
-    local bdir = {x = pointed_thing.under.x - pointed_thing.above.x,
-                  y = pointed_thing.under.y - pointed_thing.above.y,
-                  z = pointed_thing.under.z - pointed_thing.above.z}
-	local pdir = placer:get_look_dir()
-
-	local ndir, test
-
-	if ndef.paramtype2 == "facedir" then
-		if bdir.x == 0 and bdir.z == 0 then
-			-- Ceiling or floor pointed (facedir chosen from player dir)
-			ndir = minetest.dir_to_facedir({x=pdir.x, y=0, z=pdir.z})
-		else
-			-- Wall pointed
-			ndir = minetest.dir_to_facedir(bdir)
-		end
-
-		test = {[0]=-pdir.x, pdir.z, pdir.x, -pdir.z}
-    end
-
-	if ndef.paramtype2 == "wallmounted" then
-		ndir = minetest.dir_to_wallmounted(bdir)
-		if ndir == 0 or ndir == 1 then
-			-- Ceiling or floor
-			ndir = minetest.dir_to_wallmounted({x=pdir.x, y=0, z=pdir.z})
-		end
-
-		test = {0, pdir.z, -pdir.z, -pdir.x, pdir.x}
-	end
-
-	-- Only for direction signs
-	if ndef.signs_other_dir then
-		if test[ndir] > 0 then
-			itemstack:set_name(ndef.signs_other_dir)
-		end
-		itemstack = minetest.item_place(itemstack, placer, pointed_thing, ndir)
-		itemstack:set_name(name)
-
-		return itemstack
-	else
-		return minetest.item_place(itemstack, placer, pointed_thing, ndir)
-	end
-end
-
--- Handles screwdriver rotation. Direction is affected for direction signs
-function signs_api.on_rotate(pos, node, player, mode, new_param2)
-	if mode == 2 then
-		local ndef = minetest.registered_nodes[node.name]
-	    if ndef.signs_other_dir then
-		    minetest.swap_node(pos, {name = ndef.signs_other_dir,
-                param1 = node.param1, param2 = node.param2})
-			display_api.update_entities(pos)
-	    end
-	else
-        display_api.on_rotate(pos, node, user, mode, new_param2)
-	end
-    return false;
-end
-
-function signs_api.register_sign(mod, name, model)
-	-- Default fields
-	local fields = {
-		sunlight_propagates = true,
-		paramtype = "light",
-		paramtype2 = "facedir",
-		drawtype = "nodebox",
-		node_box = {
-			type = "fixed",
-			fixed = {-model.width/2, -model.height/2, 0.5,
-					 model.width/2, model.height/2, 0.5 - model.depth},
-		},
-		groups = {choppy=2, dig_immediate=2, not_blocking_trains = 1, display_modpack_node = 1},
-		sounds = default.node_sound_defaults(),
-		display_entities = {
-			["signs:display_text"] = {
-					on_display_update = font_api.on_display_update,
-					depth = 0.5 - display_api.entity_spacing - model.depth,
-					size = { x = model.width, y = model.height },
-					resolution = { x = 64, y = 64 },
-					maxlines = 1,
-			},
-
-		},
-		on_place = display_api.on_place,
-		on_construct = 	function(pos)
-							signs_api.set_formspec(pos)
-							display_api.on_construct(pos)
-						end,
-		on_destruct = display_api.on_destruct,
-		on_rotate = signs_api.on_rotate,
-		on_receive_fields =  signs_api.on_receive_fields,
-		on_punch = function(pos, node, player, pointed_thing) display_api.update_entities(pos) end,
-	}
-
-	-- Node fields override
-	for key, value in pairs(model.node_fields) do
-		if key == "groups" then
-			for key2, value2 in pairs(value) do
-				fields[key][key2] = value2
-			end
-		else
-			fields[key] = value
-		end
-	end
-
-	if not fields.wield_image then fields.wield_image = fields.inventory_image end
-
-	-- Entity fields override
-	for key, value in pairs(model.entity_fields) do
-		fields.display_entities["signs:display_text"][key] = value
-	end
-
-	minetest.register_node(mod..":"..name, fields)
-end
-
--- Text entity for all signs
-display_api.register_display_entity("signs:display_text")

signs_api/init.lua

@@ -25,8 +25,200 @@ signs_api.path = minetest.get_modpath(signs_api.name)
 -- Load support for intllib.
 local S, NS = dofile(signs_api.path.."/intllib.lua")
 signs_api.intllib = S
+local F = function(...) return minetest.formspec_escape(S(...)) end
 
-dofile(signs_api.path.."/common.lua")
+local function update_font_index_meta(meta)
+	local font = meta:get_string("font")
+	local count = 0
+	for key, def in pairs(font_api.registered_fonts) do
+		count = count + 1
+		if font == key then
+			meta:set_string("font_idx", count)
+		end
+	end 
+end
+
+function signs_api.set_display_text(pos,text,font)
+	local meta = minetest.get_meta(pos)
+	meta:set_string("display_text", text)
+	meta:set_string("infotext", "\""..text.."\"")
+	meta:set_string("font", font)
+	update_font_index_meta(meta)
+	display_api.update_entities(pos)
+end
+
+function signs_api.set_formspec(pos)
+	local meta = minetest.get_meta(pos)
+	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
+	if ndef and ndef.display_entities 
+	   and ndef.display_entities["signs:display_text"] then
+		local maxlines = ndef.display_entities["signs:display_text"].maxlines
+		local formspec, formheight
+
+		if maxlines == 1 then
+			formspec =
+				"field[0.5,0.7;5.5,1;display_text;"..F("Text")..
+					";${display_text}]"
+			formheight = 2	
+		else
+			local extralabel = ""
+			if maxlines then
+				extralabel = F(" (first %s lines only)"):format(maxlines)
+			end
+
+			formspec = 
+				"textarea[0.5,0.7;5.5,2;display_text;"..F("Text")..""..
+					extralabel..";${display_text}]"
+			formheight = 3
+		end
+
+		formspec = formspec.."button_exit[2,"..formheight..";2,1;ok;"..
+			F("Write").."]"
+		formheight = formheight + 1
+		formspec = "size[6,"..formheight.."]"..default.gui_bg..
+			default.gui_bg_img..default.gui_slots..formspec
+
+		meta:set_string("formspec", formspec)
+	end
+end
+
+function signs_api.on_receive_fields(pos, formname, fields, player)
+	if not minetest.is_protected(pos, player:get_player_name()) then
+		if fields and (fields.ok or fields.key_enter) then
+			signs_api.set_display_text(pos, fields.display_text, fields.font)
+		end
+	end
+end
+
+-- On place callback for direction signs
+-- (chooses which sign according to look direction)
+function signs_api.on_place_direction(itemstack, placer, pointed_thing)
+	local name = itemstack:get_name()
+	local ndef = minetest.registered_nodes[name]
+
+    local bdir = {x = pointed_thing.under.x - pointed_thing.above.x,
+                  y = pointed_thing.under.y - pointed_thing.above.y,
+                  z = pointed_thing.under.z - pointed_thing.above.z}
+	local pdir = placer:get_look_dir()
+
+	local ndir, test
+
+	if ndef.paramtype2 == "facedir" then
+		if bdir.x == 0 and bdir.z == 0 then
+			-- Ceiling or floor pointed (facedir chosen from player dir)
+			ndir = minetest.dir_to_facedir({x=pdir.x, y=0, z=pdir.z})
+		else
+			-- Wall pointed
+			ndir = minetest.dir_to_facedir(bdir)
+		end
+
+		test = {[0]=-pdir.x, pdir.z, pdir.x, -pdir.z}
+    end
+
+	if ndef.paramtype2 == "wallmounted" then
+		ndir = minetest.dir_to_wallmounted(bdir)
+		if ndir == 0 or ndir == 1 then
+			-- Ceiling or floor
+			ndir = minetest.dir_to_wallmounted({x=pdir.x, y=0, z=pdir.z})
+		end
+
+		test = {0, pdir.z, -pdir.z, -pdir.x, pdir.x}
+	end
+
+	-- Only for direction signs
+	if ndef.signs_other_dir then
+		if test[ndir] > 0 then
+			itemstack:set_name(ndef.signs_other_dir)
+		end
+		itemstack = minetest.item_place(itemstack, placer, pointed_thing, ndir)
+		itemstack:set_name(name)
+
+		return itemstack
+	else
+		return minetest.item_place(itemstack, placer, pointed_thing, ndir)
+	end
+end
+
+-- Handles screwdriver rotation. Direction is affected for direction signs
+function signs_api.on_rotate(pos, node, player, mode, new_param2)
+	if mode == 2 then
+		local ndef = minetest.registered_nodes[node.name]
+	    if ndef.signs_other_dir then
+		    minetest.swap_node(pos, {name = ndef.signs_other_dir,
+                param1 = node.param1, param2 = node.param2})
+			display_api.update_entities(pos)
+	    end
+	else
+        display_api.on_rotate(pos, node, user, mode, new_param2)
+	end
+    return false;
+end
+
+function signs_api.register_sign(mod, name, model)
+	-- Default fields
+	local fields = {
+		sunlight_propagates = true,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = {
+			type = "fixed",
+			fixed = {-model.width/2, -model.height/2, 0.5,
+					 model.width/2, model.height/2, 0.5 - model.depth},
+		},
+		groups = {choppy=2, dig_immediate=2, not_blocking_trains = 1, display_modpack_node = 1},
+		sounds = default.node_sound_defaults(),
+		display_entities = {
+			["signs:display_text"] = {
+					on_display_update = font_api.on_display_update,
+					depth = 0.5 - display_api.entity_spacing - model.depth,
+					size = { x = model.width, y = model.height },
+					aspect_ratio = 1/2,
+					maxlines = 1,
+			},
+
+		},
+		on_place = display_api.on_place,
+		on_construct = 	function(pos)
+				local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
+				local meta = minetest.get_meta(pos)
+				meta:set_string("font", ndef.display_entities.font_name or
+				                        font_api.get_default_font_name())
+				update_font_index_meta(meta)
+				signs_api.set_formspec(pos)
+				display_api.on_construct(pos)
+			end,
+		on_destruct = display_api.on_destruct,
+		on_rotate = signs_api.on_rotate,
+		on_receive_fields =  signs_api.on_receive_fields,
+		on_punch = function(pos, node, player, pointed_thing) 
+				display_api.update_entities(pos)
+			end,
+	}
+
+	-- Node fields override
+	for key, value in pairs(model.node_fields) do
+		if key == "groups" then
+			for key2, value2 in pairs(value) do
+				fields[key][key2] = value2
+			end
+		else
+			fields[key] = value
+		end
+	end
+
+	if not fields.wield_image then fields.wield_image = fields.inventory_image end
+
+	-- Entity fields override
+	for key, value in pairs(model.entity_fields) do
+		fields.display_entities["signs:display_text"][key] = value
+	end
+
+	minetest.register_node(mod..":"..name, fields)
+end
+
+-- Text entity for all signs
+display_api.register_display_entity("signs:display_text")
 
 
 

signs_road/nodes.lua

@@ -27,7 +27,7 @@ local models = {
 		width = 14/16,
 		height = 12/16,
 		entity_fields = {
-			resolution = { x = 11, y = 5.5 },
+			size = { x = 14/16, y = 10/16 },
 			maxlines = 3,
 			color = "#fff",
 		},
@@ -44,7 +44,6 @@ local models = {
 		width = 64/16,
 		height = 12/16,
 		entity_fields = {
-			resolution = { x = 2.5, y = 1.5 },
 			maxlines = 1,
 			color = "#000",
 		},
@@ -57,13 +56,12 @@ local models = {
 			inventory_image = "signs_road_white.png",
 		},
 	},
-
 	red_street_sign = {
 		depth = 1/16,
 		width = 1,
 		height = 7/16,
 		entity_fields = {
-			resolution = { x = 8, y = 4 },
+			size = { x = 1, y = 4/16 },
 			maxlines = 1,
 			color = "#000",
 		},
@@ -80,7 +78,7 @@ local models = {
 		width = 1,
 		height = 7/16,
 		entity_fields = {
-			resolution = { x = 9, y = 5.5 },
+			size = { x = 1, y = 6/16 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -97,7 +95,7 @@ local models = {
 		width = 1,
 		height = 7/16,
 		entity_fields = {
-			resolution = { x = 9, y = 5.5 },
+			size = { x = 1, y = 6/16 },
 			maxlines = 2,
 			color = "#fff",
 		},
@@ -114,7 +112,7 @@ local models = {
 		width = 1,
 		height = 7/16,
 		entity_fields = {
-			resolution = { x = 9, y = 5.5 },
+			size = { x = 1, y = 6/16 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -131,7 +129,8 @@ local models = {
 		width = 1,
 		height = 0.5,
 		entity_fields = {
-			resolution = { x = 7, y = 5 },
+			aspect_ratio = 3/4,
+			size = { x = 1, y = 3/16 },
 			maxlines = 1,
 			color = "#000",
 		},
@@ -151,7 +150,8 @@ local models = {
 		width = 1,
 		height = 0.5,
 		entity_fields = {
-			resolution = { x = 7, y = 5 },
+			aspect_ratio = 3/4,
+			size = { x = 1, y = 3/16 },
 			maxlines = 1,
 			color = "#000",
 		},
@@ -176,7 +176,6 @@ local models = {
 		entity_fields = {
 			right = -3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution =  { x = 9, y = 5.5 },
 			maxlines = 2,
 			color = "#fff",
 		},
@@ -200,7 +199,6 @@ local models = {
 		entity_fields = {
 			right = 3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5.5 },
 			maxlines = 2,
 			color="#fff",
 		},
@@ -226,7 +224,6 @@ local models = {
 		entity_fields = {
 			right = -3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5.5 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -250,7 +247,6 @@ local models = {
 		entity_fields = {
 			right = 3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5.5 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -266,7 +262,7 @@ local models = {
 			selection_box = { type = "fixed", fixed = { -7/16, -7/32, 0.5, 0.5, 7/32, 7/16 } },
 			collision_box = { type = "fixed", fixed = { -7/16, -7/32, 0.5, 0.5, 7/32, 7/16 } },
 			groups = { not_in_creative_inventory = 1 },
-			drop = "signs_road:yellow_left_sign",
+			drop = "signs_road:yellow_right_sign",
 		},
 	},
 	white_right_sign = {
@@ -276,7 +272,6 @@ local models = {
 		entity_fields = {
 			right = -3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5.5 },
 			maxlines = 2,
 			color = "#000",
 		},
@@ -300,7 +295,6 @@ local models = {
 		entity_fields = {
 			right = 3/32,
 			size = { x = 12/16, y = 6/16 },
-			resolution = { x = 9, y = 5.5 },
 			maxlines = 2,
 			color = "#000",
 		},

steles/nodes.lua

@@ -42,17 +42,18 @@ for i, material in ipairs(steles.materials) do
 			node_box = {
 				type = "fixed",
 				fixed = {
-					{-5/16, -4/16, -2/16, 5/16, 0.5, 2/16},
+					{-5/16, -5/16, -2/16, 5/16, 0.5, 2/16},
-					{-7/16, -0.5, -4/16, 7/16, -4/16, 4/16}
+					{-7/16, -0.5, -4/16, 7/16, -5/16, 4/16}
-				}
+				},
 			},
 			groups = groups,
 			display_entities = {
 				["steles:text"] = {
 						on_display_update = font_api.on_display_update,
-						depth = -2/16 - display_api.entity_spacing, height = 2/16,
+						depth = -2/16 - display_api.entity_spacing, 
-						size = { x = 14/16, y = 12/16 },
+						top = -2/16,
-						resolution = { x = 11, y = 5 },
+						aspect_ratio = 0.4,
+						size = { x = 10/16, y = 12/16 },
 						maxlines = 3,
 				},
 			},