Ukagaka
Encyclopedia
Ukagaka also known as Nanika (何か), Sakura (さくら), Nin'i-tan (任意たん) or Nise-Haruna (偽春菜), is a catch-all term for Japanese software which shares a single format and function: to provide a pair of mascot characters for the user’s computer desktop. These mascot characters can perform some useful functions such as checking e-mail or adjusting the clock of the computer, but are most popular as an aesthetic add-on, which “says” weird things.
Characters are typically cute anime
girls of original design as seen in the sample screenshot, accompanied by a small monster or pet of some sort. However, a variety of other subjects exist on the sidelines, from video game characters to 2channel
memes to humorous depictions of Hitler
.
What they “say” is shown in a speech bubble.
Also, they have variable facial expressions (called “surfaces”).
In the sample picture, a part of the dark gray balloon is seen at the upper left,
and the surface is number 7 (that is, an “angry” face).
The “main” character (her metaname is Sakura) and her companion (his metaname is Unyū) may talk to the user.
For example, they might say “It’s 3. Are you still awake?” at 3:00. Or, when the user is rebooting, they might say “Oh, are you rebooting? Okay, Seeya.”
But usually, the two chat to each other, and the user can read their conversations (in the balloons).
The contents of their conversations are usually hilarious, ironic, silly, or possibly erotic.
Those lines (called “fake-AI talk”) are programmatically generated, and the personality of the character (called “ghost”, in its narrow sense) depends on this conversation-generating program (called “shiori”).
The character’s appearance is called shell, which is implemented as several surfaces.
A set of the “main” girl and her companion is vaguely called a ghost (“ghost” in its broad sense).
As of August 8, 2006, 1617 kinds of ghosts are listed on the Ghost Center. Usually, a different ghost has a different shell.
In order for the ghost not to repeat the same conversations (which would be boring),
the user can update the data via the Internet.
Additionally, if the user permits, they can talk according to a remote script
(which is written in the language called “Sakura Script”).
In that case, it is also possible that two or more users chat to each other using the Ukagaka system.
The protocol it uses to communicate with other (local or remote) programs is called SSTP (Sakura Script Transfer Protocol). Ports 7743 and 9801 are officially assigned by IANA
for SSTP.http://www.iana.org/assignments/port-numbers The port 7743 is not actually used for this protocol. The original Ukagaka listens to port 9801 while SSP (see below) uses the port 9821 by default.
Most of ghosts are highly otaku
-oriented; hence, even if the user is a native Japanese speaker,
he or she probably does not fully understand what they are talking about, unless he or she is an otaku to significant degree. Not always, but in many cases, they are chatting to each other assuming the user (that is, the reader) knows well the games released by Leaf
and by Key
.
Also note that, in many cases, Unyū does not speak standard Japanese, but speaks the Osaka dialect
(as often as not it is a fake Osaka dialect made up by a non-Osaka dialect speaker).
Ukagaka is, in a narrow sense, a platform on which any standard-compliant ghost runs.
There are a few Ukagaka-compatible platform, such as SSP (Sakura Script Player) and CROW.
Many users prefer SSP to the original Ukagaka, whose development has been stalled.
Ukagaka, or its compatible platform, usually comes with its default ghost.
It is possible and usual to have more than one ghosts on the same platform,
when the ghosts are switchable (that is, the girl the user selected from the menu appears on the user’s desktop).
An additional ghost, including its shell, is usually provided as a single .nar (Nanika Archive) file,
which the user can easily install by drag-and-dropping onto the running shell.
This means that each ghost has its own shiori (a conversation-generating module).
However, it is not easy to implement a shiori from scratch.
Usually, middleware is used to make it easy to create a new ghost.
KAWARI is open-source software used frequently for this purpose.
Also, it is possible to change the menu language of SSP into English, but since SSP is just a platform,
changing the menu language does not change the language the ghost speaks.
In English:
Characters are typically cute anime
Anime
is the Japanese abbreviated pronunciation of "animation". The definition sometimes changes depending on the context. In English-speaking countries, the term most commonly refers to Japanese animated cartoons....
girls of original design as seen in the sample screenshot, accompanied by a small monster or pet of some sort. However, a variety of other subjects exist on the sidelines, from video game characters to 2channel
2channel
is a Japanese textboard. In 2007 there were 2.5 million posts made every day. Launched in 1999, it has gained significant influence in Japanese society, comparable to that of traditional mass media such as television, radio, and magazines. As of 2008, the site generates revenue upwards of ¥100...
memes to humorous depictions of Hitler
Adolf Hitler
Adolf Hitler was an Austrian-born German politician and the leader of the National Socialist German Workers Party , commonly referred to as the Nazi Party). He was Chancellor of Germany from 1933 to 1945, and head of state from 1934 to 1945...
.
Surface, shell, ghost
Most importantly, they “talk” (in Japanese).What they “say” is shown in a speech bubble.
Also, they have variable facial expressions (called “surfaces”).
In the sample picture, a part of the dark gray balloon is seen at the upper left,
and the surface is number 7 (that is, an “angry” face).
The “main” character (her metaname is Sakura) and her companion (his metaname is Unyū) may talk to the user.
For example, they might say “It’s 3. Are you still awake?” at 3:00. Or, when the user is rebooting, they might say “Oh, are you rebooting? Okay, Seeya.”
But usually, the two chat to each other, and the user can read their conversations (in the balloons).
The contents of their conversations are usually hilarious, ironic, silly, or possibly erotic.
Those lines (called “fake-AI talk”) are programmatically generated, and the personality of the character (called “ghost”, in its narrow sense) depends on this conversation-generating program (called “shiori”).
The character’s appearance is called shell, which is implemented as several surfaces.
A set of the “main” girl and her companion is vaguely called a ghost (“ghost” in its broad sense).
As of August 8, 2006, 1617 kinds of ghosts are listed on the Ghost Center. Usually, a different ghost has a different shell.
In order for the ghost not to repeat the same conversations (which would be boring),
the user can update the data via the Internet.
Additionally, if the user permits, they can talk according to a remote script
(which is written in the language called “Sakura Script”).
In that case, it is also possible that two or more users chat to each other using the Ukagaka system.
The protocol it uses to communicate with other (local or remote) programs is called SSTP (Sakura Script Transfer Protocol). Ports 7743 and 9801 are officially assigned by IANA
Internet Assigned Numbers Authority
The Internet Assigned Numbers Authority is the entity that oversees global IP address allocation, autonomous system number allocation, root zone management in the Domain Name System , media types, and other Internet Protocol-related symbols and numbers...
for SSTP.http://www.iana.org/assignments/port-numbers The port 7743 is not actually used for this protocol. The original Ukagaka listens to port 9801 while SSP (see below) uses the port 9821 by default.
Most of ghosts are highly otaku
Otaku
is a Japanese term used to refer to people with obsessive interests, particularly anime, manga or video games.- Etymology :Otaku is derived from a Japanese term for another's house or family , which is also used as an honorific second-person pronoun...
-oriented; hence, even if the user is a native Japanese speaker,
he or she probably does not fully understand what they are talking about, unless he or she is an otaku to significant degree. Not always, but in many cases, they are chatting to each other assuming the user (that is, the reader) knows well the games released by Leaf
Leaf (company)
Leaf is a Japanese visual novel studio under the publisher Aquaplus, and has offices in Yodogawa-ku, Osaka, and Tokyo. It and its competitor Key are the most popular and successful dedicated visual novel studios operating today. It was launched out of obscurity by its early release ToHeart...
and by Key
Key (company)
Key is a Japanese visual novel studio which formed on July 21, 1998 as a brand under the publisher Visual Art's and is located in Kita, Osaka, Japan. Key released their debut visual novel Kanon in June 1999, which combined an elaborate storyline, an up-to-date anime-style drawing style, and a...
.
Also note that, in many cases, Unyū does not speak standard Japanese, but speaks the Osaka dialect
(as often as not it is a fake Osaka dialect made up by a non-Osaka dialect speaker).
Ukagaka is, in a narrow sense, a platform on which any standard-compliant ghost runs.
There are a few Ukagaka-compatible platform, such as SSP (Sakura Script Player) and CROW.
Many users prefer SSP to the original Ukagaka, whose development has been stalled.
Ukagaka, or its compatible platform, usually comes with its default ghost.
It is possible and usual to have more than one ghosts on the same platform,
when the ghosts are switchable (that is, the girl the user selected from the menu appears on the user’s desktop).
An additional ghost, including its shell, is usually provided as a single .nar (Nanika Archive) file,
which the user can easily install by drag-and-dropping onto the running shell.
Shiori
Basically, each ghost has its own personality, talking differently about different topics.This means that each ghost has its own shiori (a conversation-generating module).
However, it is not easy to implement a shiori from scratch.
Usually, middleware is used to make it easy to create a new ghost.
KAWARI is open-source software used frequently for this purpose.
Internationalization
Although it is not well documented, it is basically easy to create a ghost that speaks a language other than Japanese.Also, it is possible to change the menu language of SSP into English, but since SSP is just a platform,
changing the menu language does not change the language the ghost speaks.
External links
In Japanese:- SSP, a popular Ukagaka program for Windows
- Nanika Ghost Center, a database of 'ghosts'
- Niseringo, an Ukagaka program for Mac OS X
- ninix-aya, a Ukagaka program for UNIX
- GHOST TOWN, a repository of ghost characters
In English:
- Ukagaka in English, a tutorial on creating English speaking ghosts