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Fix: Never delete the last existing company in singleplayer mode

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glx22 2021-01-18 15:31:07 +01:00 committed by Loïc Guilloux
parent b17177bd20
commit 485aafc1b7
1 changed files with 11 additions and 1 deletions
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12
src/company_cmd.cpp
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@ -863,9 +863,16 @@ CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
}
case CCA_NEW_AI: { // Make a new AI company
if (company_id != INVALID_COMPANY && company_id >= MAX_COMPANIES) return CMD_ERROR;
/* For network games, company deletion is delayed. */
if (!_networking && company_id != INVALID_COMPANY && Company::IsValidID(company_id)) return CMD_ERROR;
if (!(flags & DC_EXEC)) return CommandCost();
if (company_id != INVALID_COMPANY && (company_id >= MAX_COMPANIES || Company::IsValidID(company_id))) return CMD_ERROR;
/* For network game, just assume deletion happened. */
assert(company_id == INVALID_COMPANY || !Company::IsValidID(company_id));
Company *c = DoStartupNewCompany(true, company_id);
if (c != nullptr) NetworkServerNewCompany(c, nullptr);
break;
@ -875,6 +882,9 @@ CommandCost CmdCompanyCtrl(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
CompanyRemoveReason reason = (CompanyRemoveReason)GB(p1, 24, 8);
if (reason >= CRR_END) return CMD_ERROR;
/* We can't delete the last existing company in offline mode. */
if (!_networking && Company::GetNumItems() == 1) return CMD_ERROR;
Company *c = Company::GetIfValid(company_id);
if (c == nullptr) return CMD_ERROR;