// vim: set ts=4 sw=4 tw=99 noet :
// =============================================================================
// SourceMod
// Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
// =============================================================================

// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License, version 3.0, as published by the
// Free Software Foundation.
// 
// This program 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
// this program.  If not, see <http://www.gnu.org/licenses/>.

// As a special exception, AlliedModders LLC gives you permission to link the
// code of this program (as well as its derivative works) to "Half-Life 2," the
// "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
// by the Valve Corporation.  You must obey the GNU General Public License in
// all respects for all other code used.  Additionally, AlliedModders LLC grants
// this exception to all derivative works.  AlliedModders LLC defines further
// exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
// or <http://www.sourcemod.net/license.php>.
#include "frame_tasks.h"
#include <am-vector.h>
#include <utility>

using namespace SourceMod;

std::vector<ke::Function<void()>> sNextTasks;
std::vector<ke::Function<void()>> sWorkTasks;

void
SourceMod::ScheduleTaskForNextFrame(ke::Function<void()>&& task)
{
	sNextTasks.push_back(std::forward<decltype(task)>(task));
}

void
SourceMod::RunScheduledFrameTasks(bool simulating)
{
	if (sNextTasks.empty())
		return;

	// Swap.
	std::vector<ke::Function<void()>> temp(std::move(sNextTasks));
	sNextTasks = std::move(sWorkTasks);
	sWorkTasks = std::move(temp);

	for (size_t i = 0; i < sWorkTasks.size(); i++)
		sWorkTasks[i]();
	sWorkTasks.clear();
}