Trying to integrate an LLM into Godot.
First use-case: for spicing up NPC chatter.
Screenshot:
See docs/worklog.md.
Linux-only for now. (Mac and Windows folks, please send PRs!)
mkdir -p models
cd models
wget https://huggingface.co/TheBloke/Mistral-7B-Instruct-v0.1-GGUF/resolve/main/mistral-7b-instruct-v0.1.Q5_K_M.gguf
cd ..
git clone https://github.com/ggerganov/llama.cpp.git llama_dot_cpp
git clone https://github.com/godotengine/godot-cpp.git
cp SConstruct-llamacpp llama_dot_cpp/SConstruct
cd llama_dot_cpp
scons -j31
cd ..
cd godot-cpp
git checkout godot-4.1.1-stable
cp gdextension/extension_api.json ../the-game/extension_api.json
scons platform=linux -j31 custom_api_file=$(pwd)/../the-game/extension_api.json
cd ..
cp llama_dot_cpp/libllama.so the-game/bin
# build my gdextension here:
scons platform=linux -j31
cp models/mistral-7b-instruct-v0.1.Q5_K_M.gguf the-game/bin/
# load the game in Godot
Note that if you run scons -c in the root, it will remove the built dependencies in llama_dot_cpp, so scons have to be run for the latter again for building the extension.
So, any future iterations look like this:
rm the-game/bin/*.so; scons -c
# make changes to the extension code
cd llama_dot_cpp
scons -j31
cd ..
cp llama_dot_cpp/libllama.so the-game/bin
scons platform=linux -j31
Or
rm the-game/bin/libgdllm.linux.template_debug.x86_64.so
rm src/*.os
scons platform=linux -j31
If any experts in scons/c++ reads this, I think the SConstruct-llamacpp step is probably unnecessary, and that I can get away with building llama.cpp using its own Makefile, and then just linking to the resulting .a file in the extension's SConstruct file. But I'm not sure how to do that.
cd the-game
godot --export-debug "Linux/X11" godot-llm-experiment.x86_64
cd ..
(I see this when I run the above command.)
It will run from here with ./godot-llm-experiment.x86_64, because it's alongside the bin/ folder.
To run it standalone, outside of the context of the source/project files:
TMP=$(mktemp -d)
cp the-game/godot-llm-experiment.x86_64 $TMP
cp -R the-game/bin $TMP
cd $TMP
./godot-llm-experiment.x86_64
You can now publish $TMP as a ZIP file.
- Godot engine - https://godotengine.org/
- image used in game is from https://growngaming.com/awesome/1st-gen-pokemon-sprites/
- llama.cpp - https://github.com/ggerganov/llama.cpp
- Mistral 7B LLM - https://mistral.ai/news/announcing-mistral-7b/
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