join guild

Author: Trolldemorted

src/SUMMARY.md

@@ -11,6 +11,7 @@
     - [Ship Types](./basics/ships.md)
     - [Ship Artillery](./basics/ship-artillery.md)
 - [Operations](./operations.md)
+    - [Join Guild](./operations/0037-join-guild.md)
     - [Bath House Bribe Success](./operations/0042-bath-house-bribe-success.md)
     - [Bath House Bribe Failure](./operations/0043-bath-house-bribe-failure.md)
     - [Make Town Hall Offer](./operations/0048-make-town-hall-offer.md)

src/operations/0037-join-guild.md

@@ -0,0 +1,8 @@
+# Join Guild
+The `handle_operation_37_join_guild` at `0x004F8560` checks whether the operation's fee is covered by the merchant's money and whether the merchant is already a member of the guild, and then
+- updates the guild membership bitmap of the merchant
+- adds the expense to the merchant's bookkeeping
+- subtracts the expense from the merchant's money
+- adds the entry to the chronicles
+- copies the (global) guild expedition disconveries to the merchant's discoveries
+- adds the base reputation factor (`1.0` for player merchants) to the local social reputation