1. Plugin Overview
A Qianhong AI plugin is simply a Windows console program that is capable of reading
standard input and writing standard output. Qianhong runs the plugin executable as a
detached process with its standard I/O redirected to anonymous pipes. A text-based
protocol, which consists of only a handful of simple commands, is used to communicate
with the plugin.
As an example, the following text shows the first part of a game against QHPlugin.exe
(the default Qianhong AI engine) on a level 3 setting:
LEVEL 3 (Qianhong sets the AI level)
OK - Set AI level to 3 (Plugin accepts it)
PLAY H2-E2 (Qianhong plays a move: round 1, red)
OK (Plugin accepts it)
AI (Qianhong asks for AI to move)
B9-C7 (Plugin plays a move: round 1, black)
PLAY E2-E6 (Qianhong plays a move: round 2, red)
OK (Plugin accepts it)
AI (Qianhong asks for AI to move)
C7-E6 (Plugin plays a move: round 2, black)
UNDO (Qianhong backs out last move)
OK (Plugin accepts it)
That's the basic interface. Now for the details:
2. Plugin Modes.
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