+--[[
+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't support onpole, include in the def:
+ allow_onpole = false,
+
+* "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
+
+ 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
+ else
+ def.after_place_node = rdef.after_place_node or signs_lib.after_place_node
+ end
+ end
+
+ def.paramtype = rdef.paramtype or "light"
+ def.paramtype2 = rdef.paramtype2 or "wallmounted"
+ 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.on_rotate = rdef.on_rotate or signs_lib.wallmounted_rotate
+
+ if rdef.on_rotate then
+ def.on_rotate = rdef.on_rotate
+ elseif rdef.drawtype == "wallmounted" then
+ def.on_rotate = signs_lib.wallmounted_rotate
+ else
+ def.on_rotate = signs_lib.facedir_rotate
+ end
+
+ 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, allow_onpole)
+
+ 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)
+
+ if rdef.allow_onpole ~= false then
+
+ local opdef = table.copy(def)
+
+ local offset = 0.3125
+ if opdef.uses_slim_pole_mount then
+ offset = 0.35
+ end
+
+ 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.tiles[3] = "signs_lib_pole_mount.png"
+ opdef.mesh = string.gsub(opdef.mesh, ".obj$", "_onpole.obj")
+ opdef.on_rotate = nil
+
+
+ if opdef.entity_info then
+ opdef.entity_info.mesh = string.gsub(opdef.entity_info.mesh, ".obj$", "_onpole.obj")
+ end
+ minetest.register_node(":"..name.."_onpole", opdef)
+ table.insert(signs_lib.lbm_restore_nodes, name.."_onpole")
+ end
+end
+