Library to deal with Avatars (import/export/draw)

exec/load/avatar_lib.js

+// $Id$
+
+// Library for dealing with user Avatars (ex-ASCII/ANSI block art)
+
+const defs = {
+	width: 10,
+	height: 6,
+};
+
+function local_fname(usernum)
+{
+	return format("%suser/%04u.ini", system.data_dir, usernum);
+}
+
+function qnet_fname(netaddr)
+{
+	return format("%sqnet/%s.avatars.ini", system.data_dir, file_getname(netaddr));
+}
+
+function write_local(usernum, obj)
+{
+	var file = new File(this.local_fname(usernum));
+	if(!file.open(file.exists ? 'r+':'w+')) {
+		return false;
+	}
+	var result = file.iniSetObject("avatar", obj);
+	file.close();
+	return result;
+}
+
+function write_qnet(username, netaddr, obj)
+{
+	var file = new File(this.qnet_fname(netaddr));
+	if(!file.open(file.exists ? 'r+':'w+')) {
+		return false;
+	}
+	var result = file.iniSetObject(username, obj);
+	file.close();
+	return result;
+
+}
+
+function read_local(usernum)
+{
+	var file = new File(this.local_fname(usernum));
+	if(!file.open("r")) {
+		return false;
+	}
+	var obj = file.iniGetObject("avatar");
+	file.close();
+	return obj;
+}
+
+function read_qnet(username, netaddr)
+{
+	var file = new File(this.qnet_fname(netaddr));
+	if(!file.open("r")) {
+		return false;
+	}
+	var obj = file.iniGetObject(username);
+	file.close();
+	return obj;
+}
+
+function read(usernum, username, netaddr)
+{
+	if(parseInt(usernum) >= 1)
+		return read_local(usernum);
+	else
+		return read_qnet(username, netaddr);
+}
+
+function update_local(usernum, data)
+{
+	var obj = read_local(usernum);
+	if(obj == false)
+		obj = { created: new Date() };
+	obj.data = data;
+	obj.updated = new Date();
+	return write_local(usernum, obj);
+}
+
+function import_file(usernum, filename, offset)
+{
+	load('graphic.js');
+	var graphic = new Graphic(this.defs.width, this.defs.height);
+	if(!graphic.load(filename, offset))
+		return false;
+	return update_local(usernum, base64_encode(graphic.BIN));
+}
+
+function find_name(objs, name)
+{
+	for(var i=0; i < objs.length; i++)
+		if(objs[i].name.toLowerCase() == name.toLowerCase())
+			return i;
+	return -1;
+}
+
+function import_list(netaddr, list)
+{
+	var objs = [];
+	var file = new File(this.qnet_fname(netaddr));
+	if(file.open("r")) {
+		objs = file.iniGetAllObjects();
+		file.close();
+	}
+	for(var i in list) {
+		for(var u in list[i]) {
+			var index = find_name(objs, list[i][u]);
+			if(index >= 0) {
+				if(objs[index].data != i) {
+					objs[index].data = i;
+					objs[index].updated = new Date();
+				}
+			} else
+				objs.push({ name: list[i][u], data: i, created: new Date() });
+		}
+	}
+	if(!file.open("w"))
+		return false;
+	var result = file.iniSetAllObjects(objs);
+	file.close();
+	return result;
+}
+
+function draw(usernum, username, netaddr, above, right)
+{
+	var avatar = this.read(usernum, username, netaddr);
+	if(avatar) {
+		load('graphic.js');
+		var graphic = new Graphic(this.defs.width, this.defs.height);
+		try {
+			graphic.BIN = base64_decode([avatar.data]);
+			var lncntr = console.line_counter;
+			var pos = console.getxy();
+			var x = pos.x;
+			var y = pos.y;
+			if(above)
+				y -= this.defs.height;
+			if(right)
+				x = console.screen_columns - (this.defs.width + 1);
+			graphic.attr_mask = ~graphic.defs.BLINK;	// Disable blink attribute (consider iCE colors?)
+			graphic.draw(x, y, this.defs.width, this.defs.height);
+			console.gotoxy(pos);
+			console.line_counter = lncntr;
+		} catch(e) {
+		};
+	}
+}
+
+this;