Topic: AI as a scipt
Ron_of_Nord
Topic Opener
Joined: 2024-04-20, 23:43
Posts: 42 OS: Windows Version: 1.2.1  Pry about Widelands Location: Land_down_under |
Posted at: Yesterday 04:10
Hi Folks, I read a few posts on the AI and got to wondering wether the inbuilt scripting could handle or improve the current AI, I don't have a constant fast internet connection, I use a dongle, so trying to read through the Lua scripting pages gets a bit frustrating when the connection drops out. Is there a plain text version of the Widelands Lua scripting interface I can get my hands on. I have a love og game AI and some ideas on that front, but I really need either a plain text or pdf version of the inteface to have a look at while I'm testing my ideas. Also, is the sciprt compiled or interpreted, I couldn't figure it out from the source code this morning when the AI idea's I had first blossomed in my mind. After creating my own game AI language ( which is a script language) , I thought maybe I could try rewritting parts of it as a Lua script in widelands. My own AI language is written in Forth with a prolog extention. I don't know the widelands lua interface well enough to attempt anything but some simple code at the moment. The aussies are coming, ya ho! ya ho! 
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Nordfriese
Joined: 2017-01-17, 18:07
Posts: 2082 OS: Debian Testing Version: Latest master  One Elder of Players Location: 0x55555d3a34c0 |
Posted at: Yesterday 10:17
You can download the latest documentation as a ZIP archive of HTML files here: I once tried to script an AI for a scenario, but I gave that up because the main problem with Lua is that is is extremely slow compared to C++. Everything in Lua is interpreted at runtime. To get acceptable performance I believe you'd need to compile your code into the Widelands executable, using C++ or some other language that can interface with C++ headers.
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hessenfarmer
Joined: 2014-12-11, 23:16
Posts: 2750 One Elder of Players Location: Bavaria |
Posted at: Yesterday 20:03
Currently there is no direct lua api to influence or control the AI. Our lua interface was originally invented to control the storyline of a scenario. The AI is only influenced by the tribe defin ition files where some vital information is stored that the AI uses to have better knowledge of a tribe. In the c++ functions there are several decision steps implemented which are run according to a scheduler: each of this functions is influenced by a a simple implementation of a genetic algorithm, which mainly influences the weights of game state parameters in decision finding algorithms.
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