Add $RETRO_MODE option

README.md

@@ -2,4 +2,13 @@
 
 Specify WAD with the WAD_URL env var
 
+Enable retro mode by setting the RETRO_MODE env mode to "true". This does the
+following:
+  - Disables jumping
+  - Disables mouse look
+  - Disables crouching
+  - Disables altering FOV
+  - Disables crosshairs
+  - Enables forced weapon switching on pickup
+
 See WIP/ for other nearly finished attempts of other servers

entrypoint.sh

@@ -10,6 +10,15 @@ fi
 
 BOT_COUNT=${BOT_COUNT:-0}
 
+if [ -n "$RETRO_MODE" ]; then
+  echo "set Compat_OldWeaponSwitch true" >> /srv/server.cfg
+  echo "set SV_NoCrouch true" >> /srv/server.cfg
+  echo "set SV_NoCrosshair true" >> /srv/server.cfg
+  echo "set SV_NoFOV true" >> /srv/server.cfg
+  echo "set SV_NoFreelook true" >> /srv/server.cfg
+  echo "set SV_NoJump true" >> /srv/server.cfg
+fi
+
 if [ -n "$SV_HOSTNAME" ]; then
   echo "set sv_hostname $SV_HOSTNAME" >> /srv/server.cfg
 fi

server.cfg

@@ -1,8 +1,5 @@
 // https://wiki.zandronum.com/Server_Variables
 
-// Disable mouselook
-set sv_nofreelook true
-
 // Timestamp console messages
 set sv_timestamp true