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author | yexo <yexo@openttd.org> | 2009-02-10 19:22:09 +0000 |
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committer | yexo <yexo@openttd.org> | 2009-02-10 19:22:09 +0000 |
commit | 8ef2024b9673586b8eba9b4f3599bc966348db03 (patch) | |
tree | 035036289bb46372fcd255af1b34730f2a1f827e /src/ai/ai_instance.cpp | |
parent | 2c317b7321534d185776f9da0f360b5f3da6c94d (diff) | |
download | openttd-8ef2024b9673586b8eba9b4f3599bc966348db03.tar.xz |
(svn r15440) -Fix: Backup AIObject::GetAllowDoCommand and restore the old value so AIs can't work around it.
Diffstat (limited to 'src/ai/ai_instance.cpp')
-rw-r--r-- | src/ai/ai_instance.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/src/ai/ai_instance.cpp b/src/ai/ai_instance.cpp index 834ad40f3..496ad6c34 100644 --- a/src/ai/ai_instance.cpp +++ b/src/ai/ai_instance.cpp @@ -272,13 +272,13 @@ void AIInstance::GameLoop() if (!this->is_started) { try { + AIObject::SetAllowDoCommand(false); /* Run the constructor if it exists. Don't allow any DoCommands in it. */ if (this->engine->MethodExists(*this->instance, "constructor")) { - AIObject::SetAllowDoCommand(false); this->engine->CallMethod(*this->instance, "constructor"); - AIObject::SetAllowDoCommand(true); } this->CallLoad(); + AIObject::SetAllowDoCommand(true); /* Start the AI by calling Start() */ if (!this->engine->CallMethod(*this->instance, "Start", _settings_game.ai.ai_max_opcode_till_suspend)) this->Died(); } catch (AI_VMSuspend e) { @@ -524,9 +524,10 @@ void AIInstance::Save() } else if (this->engine->MethodExists(*this->instance, "Save")) { HSQOBJECT savedata; /* We don't want to be interrupted during the save function. */ + bool backup_allow = AIObject::GetAllowDoCommand(); AIObject::SetAllowDoCommand(false); this->engine->CallMethod(*this->instance, "Save", &savedata); - AIObject::SetAllowDoCommand(true); + AIObject::SetAllowDoCommand(backup_allow); if (!sq_istable(savedata)) { AILog::Error("Save function should return a table."); @@ -653,8 +654,6 @@ void AIInstance::CallLoad() return; } - AIObject::SetAllowDoCommand(false); - /* Go to the instance-root */ sq_pushobject(vm, *this->instance); /* Find the function-name inside the script */ @@ -673,6 +672,4 @@ void AIInstance::CallLoad() /* Pop 1) The version, 2) the savegame data, 3) the object instance, 4) the function pointer. */ sq_pop(vm, 4); - - AIObject::SetAllowDoCommand(true); } |