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author | celestar <celestar@openttd.org> | 2007-04-01 10:55:31 +0000 |
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committer | celestar <celestar@openttd.org> | 2007-04-01 10:55:31 +0000 |
commit | 6f49e4c644965595910a16ee9fed978bee8a0b72 (patch) | |
tree | f6869b31fc9482df524d86d9c7160d95ee70c94c /src | |
parent | 43dc111833c1fba6b701599a701cb405a9a92e4f (diff) | |
download | openttd-6f49e4c644965595910a16ee9fed978bee8a0b72.tar.xz |
(svn r9541) -Codechange: Safeguard the company-buying routines so that the buying player and the bought player need to be two different entities
Diffstat (limited to 'src')
-rw-r--r-- | src/economy.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/economy.cpp b/src/economy.cpp index 24eab5466..b3d635a02 100644 --- a/src/economy.cpp +++ b/src/economy.cpp @@ -255,6 +255,8 @@ void ChangeOwnershipOfPlayerItems(PlayerID old_player, PlayerID new_player) Town *t; PlayerID old = _current_player; + assert(old_player != new_player); + { Player *p; uint i; @@ -1774,12 +1776,16 @@ int32 CmdSellShareInCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) int32 CmdBuyCompany(TileIndex tile, uint32 flags, uint32 p1, uint32 p2) { Player *p; + PlayerID pid = (PlayerID)p1; /* Disable takeovers in multiplayer games */ - if (!IsValidPlayer((PlayerID)p1) || _networking) return CMD_ERROR; + if (!IsValidPlayer(pid) || _networking) return CMD_ERROR; + + /* Do not allow players to take over themselves */ + if (pid == _current_player) return CMD_ERROR; SET_EXPENSES_TYPE(EXPENSES_OTHER); - p = GetPlayer((PlayerID)p1); + p = GetPlayer(pid); if (!p->is_ai) return CMD_ERROR; |