cpp/openttd-patchpack/source Changeset - r26232:7108ff70a949

Changeset - r26232:7108ff70a949

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Tyler Trahan - 2 years ago 2022-01-19 23:46:51
tyler@tylertrahan.com

Fix #6544: Don't join AI company when loading network game in singleplayer

4 files changed with 41 insertions and 10 deletions:

src/company_cmd.cpp

src/company_func.h

src/openttd.cpp

src/saveload/afterload.cpp

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src/company_cmd.cpp

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@@ @@ -1198,3 +1198,31 @@ CommandCost CmdGiveMoney(DoCommandFlag f @@
 	/* Subtract money from local-company */
 	return amount;
+}
 /**
  * Get the index of the first available company. It attempts,
  *  from first to last, and as soon as the attempt succeeds,
  *  to get the index of the company:
  *  1st - get the first existing human company.
  *  2nd - get the first non-existing company.
  *  3rd - get COMPANY_FIRST.
  * @return the index of the first available company.
  */
 CompanyID GetFirstPlayableCompanyID()
+{
 	for (Company *c : Company::Iterate()) {
 		if (Company::IsHumanID(c->index)) {
 			return c->index;
+		}
+	}
 	if (Company::CanAllocateItem()) {
 		for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
 			if (!Company::IsValidID(c)) {
 				return c;
+			}
+		}
+	}
 	return COMPANY_FIRST;
+}

src/company_func.h

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@@ @@ -56,5 +56,6 @@ static inline bool IsInteractiveCompany( @@
+}
 int CompanyServiceInterval(const Company *c, VehicleType type);
 CompanyID GetFirstPlayableCompanyID();
 #endif /* COMPANY_FUNC_H */

src/openttd.cpp

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@@ @@ -835,9 +835,9 @@ void HandleExitGameRequest() @@
  */
 static void OnStartGame(bool dedicated_server)
+{
 	/* Update the local company for a loaded game. It is either always
 	 * company #1 (eg 0) or in the case of a dedicated server a spectator */
 	SetLocalCompany(dedicated_server ? COMPANY_SPECTATOR : COMPANY_FIRST);
 	/* Update the local company for a loaded game. It is either the first available company
 	 * or in the case of a dedicated server, a spectator */
 	SetLocalCompany(dedicated_server ? COMPANY_SPECTATOR : GetFirstPlayableCompanyID());
 	/* Update the static game info to set the values from the new game. */
 	NetworkServerUpdateGameInfo();

src/saveload/afterload.cpp

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@@ @@ -823,10 +823,12 @@ bool AfterLoadGame() @@
 	 *  a company does not exist yet. So create one here.
 	 * 1 exception: network-games. Those can have 0 companies
 	 *   But this exception is not true for non-dedicated network servers! */
 	if (!Company::IsValidID(COMPANY_FIRST) && (!_networking || (_networking && _network_server && !_network_dedicated))) {
 		DoStartupNewCompany(false);
 		Company *c = Company::Get(COMPANY_FIRST);
 		c->settings = _settings_client.company;
 	if (!_networking || (_networking && _network_server && !_network_dedicated)) {
 		CompanyID first_human_company = GetFirstPlayableCompanyID();
 		if (!Company::IsValidID(first_human_company)) {
 			Company *c = DoStartupNewCompany(false, first_human_company);
 			c->settings = _settings_client.company;
+		}
+	}
 	/* Fix the cache for cargo payments. */
@@ @@ -1006,10 +1008,10 @@ bool AfterLoadGame() @@
 		/* When loading a game, _local_company is not yet set to the correct value.
 		 * However, in a dedicated server we are a spectator, so nothing needs to
 		 * happen. In case we are not a dedicated server, the local company always
 		 * becomes company 0, unless we are in the scenario editor where all the
 		 * companies are 'invalid'.
 		 * becomes the first available company, unless we are in the scenario editor
 		 * where all the companies are 'invalid'.
 		 */
-		Company *c = Company::GetIfValid(COMPANY_FIRST);
+		Company *c = Company::GetIfValid(GetFirstPlayableCompanyID());
 		if (!_network_dedicated && c != nullptr) {
 			c->settings = _settings_client.company;
+		}

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