File indexing completed on 2024-06-16 07:03:20

0001 /*
0002     SPDX-FileCopyrightText: 2003 Russell Steffen <rsteffen@bayarea.net>
0003     SPDX-FileCopyrightText: 2003 Stephan Zehetner <s.zehetner@nevox.org>
0004     SPDX-FileCopyrightText: 2006 Dmitry Suzdalev <dimsuz@gmail.com>
0005     SPDX-FileCopyrightText: 2006 Inge Wallin <inge@lysator.liu.se>
0006     SPDX-FileCopyrightText: 2006 Pierre Ducroquet <pinaraf@gmail.com>
0007     Copyright Sean D'Epagnier <geckosenator@gmail.com>
0008 
0009     SPDX-License-Identifier: GPL-2.0-or-later
0010 */
0011 
0012 #include "minimapview.h"
0013 
0014 #include <QMouseEvent>
0015 #include <QPainter>
0016 
0017 #include "planet.h"
0018 #include "players/player.h"
0019 
0020 
0021 MiniMapView::MiniMapView(QWidget *parent) :
0022     QWidget(parent),
0023     m_map(nullptr),
0024     m_selection(-1, -1)
0025 {
0026     QPalette  pal = palette();
0027     pal.setColor(backgroundRole(), Qt::black);
0028     setPalette(pal);
0029 
0030     setMinimumSize(100, 100);
0031     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
0032 }
0033 
0034 
0035 MiniMapView::~MiniMapView()
0036 {
0037 }
0038 
0039 
0040 void
0041 MiniMapView::setMap(Map *map)
0042 {
0043     m_map = map;
0044     connect(m_map, &Map::update, this, static_cast<void (QWidget::*)(void)>(&QWidget::update));
0045 }
0046 
0047 
0048 void
0049 MiniMapView::CalculateOffsets(float &sectorSize, float &woffset, float &hoffset)
0050 {
0051     sectorSize = ((float)width())/m_map->columns();
0052     if (height()/m_map->rows() < sectorSize)
0053         sectorSize = ((float)height())/m_map->rows();
0054 
0055     woffset = ((float)width() - m_map->columns()*sectorSize)/2;
0056     hoffset = ((float)height() - m_map->rows()*sectorSize)/2;
0057 }
0058 
0059 
0060 void
0061 MiniMapView::mousePressEvent(QMouseEvent *event)
0062 {
0063     float sectorSize, woffset, hoffset;
0064     CalculateOffsets(sectorSize, woffset, hoffset);
0065 
0066     const QPoint mousePos = event->position().toPoint();
0067     m_selection = Coordinate((mousePos.x() - woffset) / sectorSize,
0068                              (mousePos.y() - hoffset) / sectorSize);
0069 
0070     const Sector *sector = m_map->sector(m_selection);
0071     if (sector && !sector->hasPlanet())
0072         m_selection = Coordinate(-1, -1);
0073 
0074     Q_EMIT sectorSelected(m_selection);
0075 }
0076 
0077 
0078 void
0079 MiniMapView::paintEvent(QPaintEvent * /*event*/)
0080 {
0081     QPainter painter(this);
0082 
0083     float sectorSize, woffset, hoffset;
0084     CalculateOffsets(sectorSize, woffset, hoffset);
0085 
0086     // Draw the black background
0087     painter.setRenderHint(QPainter::Antialiasing);
0088     painter.setPen(Qt::black);
0089     painter.setBrush(Qt::black);
0090     painter.drawRect(QRectF(woffset, hoffset, m_map->columns() * sectorSize, m_map->rows() * sectorSize));
0091 
0092     // Draw selection
0093     if (hasSelection()) {
0094         painter.setBrush(Qt::cyan);
0095         painter.drawRect(QRectF(
0096             woffset + m_selection.x() * sectorSize,
0097             hoffset + m_selection.y() * sectorSize,
0098             sectorSize,
0099             sectorSize
0100         ));
0101     }
0102 
0103     // Now draw the planets...
0104     for (int col = 0 ; col < m_map->columns() ; col++) {
0105         for (int row = 0 ; row < m_map->rows() ; row++) {
0106             QPoint pt(col, row);
0107             Planet *planet = m_map->sector(pt)->planet();
0108             if (planet) {
0109                 Player *player = planet->player();
0110                 if (player) {
0111                     painter.setBrush(player->color());
0112 
0113                     // Draw a circle in the planets color to show the planet.
0114                     painter.drawEllipse(QRectF(
0115                         woffset + col * sectorSize,
0116                         hoffset + row * sectorSize,
0117                         sectorSize,
0118                         sectorSize
0119                     ));
0120                 }
0121             }
0122         }
0123     }
0124 }
0125 
0126 #include "moc_minimapview.cpp"