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mirror of https://github.com/vcmi/vcmi.git synced 2024-12-02 09:02:03 +02:00
vcmi/mapeditor/mapview.cpp
2022-10-13 01:51:55 +04:00

460 lines
12 KiB
C++

/*
* mapview.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "mapview.h"
#include "mainwindow.h"
#include <QGraphicsSceneMouseEvent>
#include "mapcontroller.h"
MinimapView::MinimapView(QWidget * parent):
QGraphicsView(parent)
{
// Disable scrollbars
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
}
void MinimapView::dimensions()
{
fitInView(0, 0, controller->map()->width, controller->map()->height, Qt::KeepAspectRatio);
}
void MinimapView::setController(MapController * ctrl)
{
controller = ctrl;
}
void MinimapView::mouseMoveEvent(QMouseEvent *mouseEvent)
{
this->update();
auto * sc = static_cast<MinimapScene*>(scene());
if(!sc)
return;
int w = sc->viewport.viewportWidth();
int h = sc->viewport.viewportHeight();
auto pos = mapToScene(mouseEvent->pos());
pos.setX(pos.x() - w / 2);
pos.setY(pos.y() - h / 2);
QPointF point = pos * 32;
emit cameraPositionChanged(point);
}
void MinimapView::mousePressEvent(QMouseEvent* event)
{
mouseMoveEvent(event);
}
MapView::MapView(QWidget * parent):
QGraphicsView(parent),
selectionTool(MapView::SelectionTool::None)
{
}
void MapView::cameraChanged(const QPointF & pos)
{
//ui->mapView->translate(pos.x(), pos.y());
horizontalScrollBar()->setValue(pos.x());
verticalScrollBar()->setValue(pos.y());
}
void MapView::setController(MapController * ctrl)
{
controller = ctrl;
}
void MapView::mouseMoveEvent(QMouseEvent *mouseEvent)
{
this->update();
auto * sc = static_cast<MapScene*>(scene());
if(!sc || !controller->map())
return;
auto pos = mapToScene(mouseEvent->pos()); //TODO: do we need to check size?
int3 tile(pos.x() / 32, pos.y() / 32, sc->level);
if(tile == tilePrev) //do not redraw
return;
tilePrev = tile;
//TODO: cast parent->parent to MainWindow in order to show coordinates or another way to do it?
//main->setStatusMessage(QString("x: %1 y: %2").arg(tile.x, tile.y));
switch(selectionTool)
{
case MapView::SelectionTool::Brush:
if(mouseEvent->buttons() & Qt::RightButton)
sc->selectionTerrainView.erase(tile);
else if(mouseEvent->buttons() == Qt::LeftButton)
sc->selectionTerrainView.select(tile);
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Brush2:
{
std::array<int3, 4> extra{ int3{0, 0, 0}, int3{1, 0, 0}, int3{0, 1, 0}, int3{1, 1, 0} };
for(auto & e : extra)
{
if(mouseEvent->buttons() & Qt::RightButton)
sc->selectionTerrainView.erase(tile + e);
else if(mouseEvent->buttons() == Qt::LeftButton)
sc->selectionTerrainView.select(tile + e);
}
}
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Brush4:
{
std::array<int3, 16> extra{
int3{-1, -1, 0}, int3{0, -1, 0}, int3{1, -1, 0}, int3{2, -1, 0},
int3{-1, 0, 0}, int3{0, 0, 0}, int3{1, 0, 0}, int3{2, 0, 0},
int3{-1, 1, 0}, int3{0, 1, 0}, int3{1, 1, 0}, int3{2, 1, 0},
int3{-1, 2, 0}, int3{0, 2, 0}, int3{1, 2, 0}, int3{2, 2, 0}
};
for(auto & e : extra)
{
if(mouseEvent->buttons() & Qt::RightButton)
sc->selectionTerrainView.erase(tile + e);
else if(mouseEvent->buttons() == Qt::LeftButton)
sc->selectionTerrainView.select(tile + e);
}
}
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Area:
if(mouseEvent->buttons() & Qt::RightButton || !(mouseEvent->buttons() & Qt::LeftButton))
break;
sc->selectionTerrainView.clear();
for(int j = std::min(tile.y, tileStart.y); j < std::max(tile.y, tileStart.y); ++j)
{
for(int i = std::min(tile.x, tileStart.x); i < std::max(tile.x, tileStart.x); ++i)
{
sc->selectionTerrainView.select(int3(i, j, sc->level));
}
}
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::None:
if(mouseEvent->buttons() & Qt::RightButton)
break;
auto sh = tile - tileStart;
sc->selectionObjectsView.shift = QPoint(sh.x, sh.y);
if(sh.x || sh.y)
{
if(sc->selectionObjectsView.newObject)
{
sc->selectionObjectsView.shift = QPoint(tile.x, tile.y);
sc->selectionObjectsView.selectObject(sc->selectionObjectsView.newObject);
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::MOVEMENT;
}
else if(mouseEvent->buttons() & Qt::LeftButton)
{
if(sc->selectionObjectsView.selectionMode == SelectionObjectsLayer::SELECTION)
{
sc->selectionObjectsView.clear();
sc->selectionObjectsView.selectObjects(tileStart.x, tileStart.y, tile.x, tile.y);
}
}
}
sc->selectionObjectsView.draw();
break;
}
}
void MapView::mousePressEvent(QMouseEvent *event)
{
this->update();
auto * sc = static_cast<MapScene*>(scene());
if(!sc || !controller->map())
return;
mouseStart = mapToScene(event->pos());
tileStart = tilePrev = int3(mouseStart.x() / 32, mouseStart.y() / 32, sc->level);
if(sc->selectionTerrainView.selection().count(tileStart))
pressedOnSelected = true;
else
pressedOnSelected = false;
switch(selectionTool)
{
case MapView::SelectionTool::Brush:
sc->selectionObjectsView.clear();
sc->selectionObjectsView.draw();
if(event->button() == Qt::RightButton)
sc->selectionTerrainView.erase(tileStart);
else if(event->button() == Qt::LeftButton)
sc->selectionTerrainView.select(tileStart);
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Brush2:
sc->selectionObjectsView.clear();
sc->selectionObjectsView.draw();
{
std::array<int3, 4> extra{ int3{0, 0, 0}, int3{1, 0, 0}, int3{0, 1, 0}, int3{1, 1, 0} };
for(auto & e : extra)
{
if(event->button() == Qt::RightButton)
sc->selectionTerrainView.erase(tileStart + e);
else if(event->button() == Qt::LeftButton)
sc->selectionTerrainView.select(tileStart + e);
}
}
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Brush4:
sc->selectionObjectsView.clear();
sc->selectionObjectsView.draw();
{
std::array<int3, 16> extra{
int3{-1, -1, 0}, int3{0, -1, 0}, int3{1, -1, 0}, int3{2, -1, 0},
int3{-1, 0, 0}, int3{0, 0, 0}, int3{1, 0, 0}, int3{2, 0, 0},
int3{-1, 1, 0}, int3{0, 1, 0}, int3{1, 1, 0}, int3{2, 1, 0},
int3{-1, 2, 0}, int3{0, 2, 0}, int3{1, 2, 0}, int3{2, 2, 0}
};
for(auto & e : extra)
{
if(event->button() == Qt::RightButton)
sc->selectionTerrainView.erase(tileStart + e);
else if(event->button() == Qt::LeftButton)
sc->selectionTerrainView.select(tileStart + e);
}
}
sc->selectionTerrainView.draw();
break;
case MapView::SelectionTool::Area:
if(event->button() == Qt::RightButton)
break;
sc->selectionTerrainView.clear();
sc->selectionTerrainView.draw();
sc->selectionObjectsView.clear();
sc->selectionObjectsView.draw();
break;
case MapView::SelectionTool::None:
sc->selectionTerrainView.clear();
sc->selectionTerrainView.draw();
if(sc->selectionObjectsView.newObject && sc->selectionObjectsView.isSelected(sc->selectionObjectsView.newObject))
{
if(event->button() == Qt::RightButton)
controller->discardObject(sc->level);
}
else
{
if(event->button() == Qt::LeftButton)
{
auto * obj = sc->selectionObjectsView.selectObjectAt(tileStart.x, tileStart.y);
if(obj)
{
if(sc->selectionObjectsView.isSelected(obj))
{
if(qApp->keyboardModifiers() & Qt::ControlModifier)
{
sc->selectionObjectsView.deselectObject(obj);
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::SELECTION;
}
else
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::MOVEMENT;
}
else
{
if(!(qApp->keyboardModifiers() & Qt::ControlModifier))
sc->selectionObjectsView.clear();
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::MOVEMENT;
sc->selectionObjectsView.selectObject(obj);
}
}
else
{
sc->selectionObjectsView.clear();
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::SELECTION;
}
}
sc->selectionObjectsView.shift = QPoint(0, 0);
sc->selectionObjectsView.draw();
}
break;
}
//main->setStatusMessage(QString("x: %1 y: %2").arg(QString::number(event->pos().x()), QString::number(event->pos().y())));
}
void MapView::mouseReleaseEvent(QMouseEvent *event)
{
this->update();
auto * sc = static_cast<MapScene*>(scene());
if(!sc || !controller->map())
return;
switch(selectionTool)
{
case MapView::SelectionTool::None:
if(event->button() == Qt::RightButton)
break;
//switch position
bool tab = false;
if(sc->selectionObjectsView.selectionMode == SelectionObjectsLayer::MOVEMENT)
{
if(sc->selectionObjectsView.newObject)
{
QString errorMsg;
if(controller->canPlaceObject(sc->level, sc->selectionObjectsView.newObject, errorMsg))
controller->commitObjectCreate(sc->level);
else
{
QMessageBox::information(this, "Can't place object", errorMsg);
break;
}
}
else
controller->commitObjectShift(sc->level);
}
else
{
sc->selectionObjectsView.selectionMode = SelectionObjectsLayer::NOTHING;
sc->selectionObjectsView.shift = QPoint(0, 0);
sc->selectionObjectsView.draw();
tab = true;
//check if we have only one object
}
auto selection = sc->selectionObjectsView.getSelection();
if(selection.size() == 1)
{
emit openObjectProperties(*selection.begin(), tab);
}
break;
}
}
bool MapView::viewportEvent(QEvent *event)
{
if(auto * sc = static_cast<MapScene*>(scene()))
{
//auto rect = sceneRect();
auto rect = mapToScene(viewport()->geometry()).boundingRect();
controller->miniScene(sc->level)->viewport.setViewport(rect.x() / 32, rect.y() / 32, rect.width() / 32, rect.height() / 32);
}
return QGraphicsView::viewportEvent(event);
}
MapSceneBase::MapSceneBase(int lvl):
QGraphicsScene(nullptr),
level(lvl)
{
}
void MapSceneBase::initialize(MapController & controller)
{
for(auto * layer : getAbstractLayers())
layer->initialize(controller);
}
void MapSceneBase::updateViews()
{
for(auto * layer : getAbstractLayers())
layer->update();
}
MapScene::MapScene(int lvl):
MapSceneBase(lvl),
gridView(this),
passabilityView(this),
selectionTerrainView(this),
terrainView(this),
objectsView(this),
selectionObjectsView(this),
isTerrainSelected(false),
isObjectSelected(false)
{
connect(&selectionTerrainView, &SelectionTerrainLayer::selectionMade, this, &MapScene::terrainSelected);
connect(&selectionObjectsView, &SelectionObjectsLayer::selectionMade, this, &MapScene::objectSelected);
}
std::list<AbstractLayer *> MapScene::getAbstractLayers()
{
//sequence is important because it defines rendering order
return {
&terrainView,
&objectsView,
&gridView,
&passabilityView,
&selectionTerrainView,
&selectionObjectsView
};
}
void MapScene::updateViews()
{
MapSceneBase::updateViews();
terrainView.show(true);
objectsView.show(true);
selectionTerrainView.show(true);
selectionObjectsView.show(true);
}
void MapScene::terrainSelected(bool anythingSelected)
{
isTerrainSelected = anythingSelected;
emit selected(isTerrainSelected || isObjectSelected);
}
void MapScene::objectSelected(bool anythingSelected)
{
isObjectSelected = anythingSelected;
emit selected(isTerrainSelected || isObjectSelected);
}
MinimapScene::MinimapScene(int lvl):
MapSceneBase(lvl),
minimapView(this),
viewport(this)
{
}
std::list<AbstractLayer *> MinimapScene::getAbstractLayers()
{
//sequence is important because it defines rendering order
return {
&minimapView,
&viewport
};
}
void MinimapScene::updateViews()
{
MapSceneBase::updateViews();
minimapView.show(true);
viewport.show(true);
}