0ad/source/tools/atlas/AtlasUI/ScenarioEditor/Tools/FillTerrain.cpp

/* Copyright (C) 2025 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. 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, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. 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 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "tools/atlas/AtlasUI/General/Observable.h"
#include "tools/atlas/AtlasUI/ScenarioEditor/ScenarioEditor.h"
#include "tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Brushes.h"
#include "tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/MiscState.h"
#include "tools/atlas/AtlasUI/ScenarioEditor/Tools/Common/Tools.h"
#include "tools/atlas/GameInterface/MessagePasser.h"
#include "tools/atlas/GameInterface/Messages.h"
#include "tools/atlas/GameInterface/SharedTypes.h"

#include <string>
#include <wx/defs.h>
#include <wx/event.h>
#include <wx/object.h>
#include <wx/string.h>

using AtlasMessage::Position;

class FillTerrain : public StateDrivenTool<FillTerrain>
{
	DECLARE_DYNAMIC_CLASS(FillTerrain);

	Position m_Pos;
	Brush m_Brush;

public:
	FillTerrain()
	{
		m_Brush.SetSquare(2);
		SetState(&Waiting);
	}

	void OnEnable()
	{
		m_Brush.MakeActive();
	}

	void OnDisable()
	{
		POST_MESSAGE(BrushPreview, (false, Position()));
	}

	struct sWaiting : public State
	{
		bool OnMouse(FillTerrain* WXUNUSED(obj), wxMouseEvent& evt)
		{
			if (evt.LeftDown())
			{
				Position pos(evt.GetPosition());
				POST_MESSAGE(BrushPreview, (true, pos));
				POST_COMMAND(FillTerrain, (pos, (std::wstring)g_SelectedTexture.wc_str()));
				return true;
			}
			else if (evt.Moving())
			{
				POST_MESSAGE(BrushPreview, (true, Position(evt.GetPosition())));
				return true;
			}
			else
			{
				return false;
			}
		}
	}
	Waiting;
};

IMPLEMENT_DYNAMIC_CLASS(FillTerrain, StateDrivenTool<FillTerrain>);