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Initialize with OpenTTD 1.9.3

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dP
2019-10-31 21:58:04 +03:00
commit b84a475e14
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src/script/api/script_event.cpp Normal file
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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file script_event.cpp Implementation of ScriptEvent. */
#include "../../stdafx.h"
#include "script_event_types.hpp"
#include <queue>
#include "../../safeguards.h"
/** The queue of events for a script. */
struct ScriptEventData {
std::queue<ScriptEvent *> stack; ///< The actual queue.
};
/* static */ void ScriptEventController::CreateEventPointer()
{
assert(ScriptObject::GetEventPointer() == NULL);
ScriptObject::GetEventPointer() = new ScriptEventData();
}
/* static */ void ScriptEventController::FreeEventPointer()
{
ScriptEventData *data = (ScriptEventData *)ScriptObject::GetEventPointer();
/* Free all waiting events (if any) */
while (!data->stack.empty()) {
ScriptEvent *e = data->stack.front();
data->stack.pop();
e->Release();
}
/* Now kill our data pointer */
delete data;
}
/* static */ bool ScriptEventController::IsEventWaiting()
{
if (ScriptObject::GetEventPointer() == NULL) ScriptEventController::CreateEventPointer();
ScriptEventData *data = (ScriptEventData *)ScriptObject::GetEventPointer();
return !data->stack.empty();
}
/* static */ ScriptEvent *ScriptEventController::GetNextEvent()
{
if (ScriptObject::GetEventPointer() == NULL) ScriptEventController::CreateEventPointer();
ScriptEventData *data = (ScriptEventData *)ScriptObject::GetEventPointer();
if (data->stack.empty()) return NULL;
ScriptEvent *e = data->stack.front();
data->stack.pop();
return e;
}
/* static */ void ScriptEventController::InsertEvent(ScriptEvent *event)
{
if (ScriptObject::GetEventPointer() == NULL) ScriptEventController::CreateEventPointer();
ScriptEventData *data = (ScriptEventData *)ScriptObject::GetEventPointer();
event->AddRef();
data->stack.push(event);
}