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Sandbot

Sandbot is a GoldSource engine bot based off HPB_Bot by botman (see docs/ReadMe.txt), specifically HPB bot template version 4 (hpb_bot_template_4.zip) with navigation code from HPB bot version 4 (hpb_bot_plugin.zip).

Building

git clone https://github.com/tschumann/sandbot
git submodule init
git submodule update

Windows

Open dlls/sandbot.sln

Linux

sudo apt-get install gcc gcc-multilib g++-multilib
cd dlls
make

Running tests

From Powershell:

./test.ps1

Debugging

gdb -s sandbot.so.debug -e sandbot.so to load Sandbot into gdb with debug symbols (if you "info functions" you'll get a per-file breakdown whereas if you do the same with gdb -e sandbot.so you won't).

Core dumps on Ubuntu

Enable core dumps:

ulimit -c unlimited

See what generates core dumps:

sysctl kernel.core_pattern

Start Steam in debug mode:

STEAM_DEBUGGER=gdb ~/.steam/steam/steam.sh

Note that Steam games don't seem to generate core dumps, but rather generates breakpad minidumps.

Steam generates minidumps at /tmp/dumps/

Debugging minidumps

Clone and build Google Breakpad:

git clone https://github.com/google/breakpad
cd breakpad
git clone https://chromium.googlesource.com/linux-syscall-support src/third_party/lss
./configure CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 && make

If you want to recompile for 64-bit you'll need to make distclean first.

If you can an error about N_UNDF being undefined see https://stackoverflow.com/a/36455846 (in src/common/stabs_reader.h change #include <a.out.h> to #include <linux/a.out.h> and run env ac_cv_header_a_out_h=yes CXXFLAGS=-m32 CFLAGS=-m32 CPPFLAGS=-m32 ./configure)

Convert the minidump to a core dump:

~/Documents/breakpad/src/tools/linux/md2core/minidump-2-core /tmp/dumps/assert_*_1.dmp > out.core
Load it all up in gdb:
gdb -s ~/Documents/sandbot/symbols/sandbot.so.debug -e ~/.steam/steam/steamapps/common/Half-Life/hl_linux -c out.core

TODO: figure out loading sandbot symbols into gdb

MetaMod

Change gamedll to addons/metamod/dlls/metamod.dll to test MetaMod. sandbot.dll should go in the same directory (but change the path in plugins.ini so it points to the top level dlls/ directory).

Releasing

git tag -a v0.x -m "Sandbot v0.x"

On Windows copy dlls/Release/vc141.pdb and dlls/Release/sandbot.pdb to release/symbols/ On Linux run make, git add the .so files, make symbols then git add the .so.debug file.

License

GPL v2 because MetaMod is GPL v2.