servatrice/cockatrice/src/arrowitem.cpp
ctrlaltca 517420cccb Replace CardInfo* and Carset* with smart pointers (#3053)
* Replace CardInfo* and Carset* with smart pointers

* fixes to help memory & c++11 stuff
2018-02-02 12:52:47 -05:00

322 lines
10 KiB
C++

#define _USE_MATH_DEFINES
#include <cmath>
#include "arrowitem.h"
#include "carddatabase.h"
#include "carditem.h"
#include "cardzone.h"
#include "player.h"
#include "playertarget.h"
#include "settingscache.h"
#include <QDebug>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include "color.h"
#include "pb/command_attach_card.pb.h"
#include "pb/command_create_arrow.pb.h"
#include "pb/command_delete_arrow.pb.h"
ArrowItem::ArrowItem(Player *_player, int _id, ArrowTarget *_startItem, ArrowTarget *_targetItem, const QColor &_color)
: QGraphicsItem(), player(_player), id(_id), startItem(_startItem), targetItem(_targetItem), color(_color),
fullColor(true)
{
qDebug() << "ArrowItem constructor: startItem=" << static_cast<QGraphicsItem *>(startItem);
setZValue(2000000005);
if (startItem)
startItem->addArrowFrom(this);
if (targetItem)
targetItem->addArrowTo(this);
if (startItem && targetItem)
updatePath();
}
ArrowItem::~ArrowItem()
{
qDebug() << "ArrowItem destructor";
}
void ArrowItem::delArrow()
{
if (startItem) {
startItem->removeArrowFrom(this);
startItem = 0;
}
if (targetItem) {
targetItem->setBeingPointedAt(false);
targetItem->removeArrowTo(this);
targetItem = 0;
}
player->removeArrow(this);
deleteLater();
}
void ArrowItem::updatePath()
{
if (!targetItem)
return;
QPointF endPoint = targetItem->mapToScene(
QPointF(targetItem->boundingRect().width() / 2, targetItem->boundingRect().height() / 2));
updatePath(endPoint);
}
void ArrowItem::updatePath(const QPointF &endPoint)
{
const double arrowWidth = 15.0;
const double headWidth = 40.0;
const double headLength =
headWidth / pow(2, 0.5); // aka headWidth / sqrt (2) but this produces a compile error with MSVC++
const double phi = 15;
if (!startItem)
return;
QPointF startPoint =
startItem->mapToScene(QPointF(startItem->boundingRect().width() / 2, startItem->boundingRect().height() / 2));
QLineF line(startPoint, endPoint);
qreal lineLength = line.length();
prepareGeometryChange();
if (lineLength < 30)
path = QPainterPath();
else {
QPointF c(lineLength / 2, tan(phi * M_PI / 180) * lineLength);
QPainterPath centerLine;
centerLine.moveTo(0, 0);
centerLine.quadTo(c, QPointF(lineLength, 0));
double percentage = 1 - headLength / lineLength;
QPointF arrowBodyEndPoint = centerLine.pointAtPercent(percentage);
QLineF testLine(arrowBodyEndPoint, centerLine.pointAtPercent(percentage + 0.001));
qreal alpha = testLine.angle() - 90;
QPointF endPoint1 =
arrowBodyEndPoint + arrowWidth / 2 * QPointF(cos(alpha * M_PI / 180), -sin(alpha * M_PI / 180));
QPointF endPoint2 =
arrowBodyEndPoint + arrowWidth / 2 * QPointF(-cos(alpha * M_PI / 180), sin(alpha * M_PI / 180));
QPointF point1 =
endPoint1 + (headWidth - arrowWidth) / 2 * QPointF(cos(alpha * M_PI / 180), -sin(alpha * M_PI / 180));
QPointF point2 =
endPoint2 + (headWidth - arrowWidth) / 2 * QPointF(-cos(alpha * M_PI / 180), sin(alpha * M_PI / 180));
path = QPainterPath(-arrowWidth / 2 * QPointF(cos((phi - 90) * M_PI / 180), sin((phi - 90) * M_PI / 180)));
path.quadTo(c, endPoint1);
path.lineTo(point1);
path.lineTo(QPointF(lineLength, 0));
path.lineTo(point2);
path.lineTo(endPoint2);
path.quadTo(c, arrowWidth / 2 * QPointF(cos((phi - 90) * M_PI / 180), sin((phi - 90) * M_PI / 180)));
path.lineTo(-arrowWidth / 2 * QPointF(cos((phi - 90) * M_PI / 180), sin((phi - 90) * M_PI / 180)));
}
setPos(startPoint);
setTransform(QTransform().rotate(-line.angle()));
}
void ArrowItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/, QWidget * /*widget*/)
{
QColor paintColor(color);
if (fullColor)
paintColor.setAlpha(200);
else
paintColor.setAlpha(150);
painter->setBrush(paintColor);
painter->drawPath(path);
}
void ArrowItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if (!player->getLocal()) {
event->ignore();
return;
}
QList<QGraphicsItem *> colliding = scene()->items(event->scenePos());
for (int i = 0; i < colliding.size(); ++i) {
if (qgraphicsitem_cast<CardItem *>(colliding[i])) {
event->ignore();
return;
}
}
event->accept();
if (event->button() == Qt::RightButton) {
Command_DeleteArrow cmd;
cmd.set_arrow_id(id);
player->sendGameCommand(cmd);
}
}
ArrowDragItem::ArrowDragItem(Player *_owner, ArrowTarget *_startItem, const QColor &_color)
: ArrowItem(_owner, -1, _startItem, 0, _color)
{
}
void ArrowDragItem::addChildArrow(ArrowDragItem *childArrow)
{
childArrows.append(childArrow);
}
void ArrowDragItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
// This ensures that if a mouse move event happens after a call to delArrow(),
// the event will be discarded as it would create some stray pointers.
if (!startItem)
return;
QPointF endPos = event->scenePos();
QList<QGraphicsItem *> colliding = scene()->items(endPos);
ArrowTarget *cursorItem = 0;
qreal cursorItemZ = -1;
for (int i = colliding.size() - 1; i >= 0; i--) {
if (qgraphicsitem_cast<PlayerTarget *>(colliding.at(i)) || qgraphicsitem_cast<CardItem *>(colliding.at(i))) {
if (colliding.at(i)->zValue() > cursorItemZ) {
cursorItem = static_cast<ArrowTarget *>(colliding.at(i));
cursorItemZ = cursorItem->zValue();
}
}
}
if ((cursorItem != targetItem) && targetItem) {
targetItem->setBeingPointedAt(false);
targetItem->removeArrowTo(this);
}
if (!cursorItem) {
fullColor = false;
targetItem = 0;
updatePath(endPos);
} else {
if (cursorItem != targetItem) {
fullColor = true;
if (cursorItem != startItem) {
cursorItem->setBeingPointedAt(true);
cursorItem->addArrowTo(this);
}
targetItem = cursorItem;
}
updatePath();
}
update();
for (int i = 0; i < childArrows.size(); ++i) {
childArrows[i]->mouseMoveEvent(event);
}
}
void ArrowDragItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (!startItem)
return;
if (targetItem && (targetItem != startItem)) {
CardZone *startZone = static_cast<CardItem *>(startItem)->getZone();
// For now, we can safely assume that the start item is always a card.
// The target item can be a player as well.
CardItem *startCard = qgraphicsitem_cast<CardItem *>(startItem);
CardItem *targetCard = qgraphicsitem_cast<CardItem *>(targetItem);
Command_CreateArrow cmd;
cmd.mutable_arrow_color()->CopyFrom(convertQColorToColor(color));
cmd.set_start_player_id(startZone->getPlayer()->getId());
cmd.set_start_zone(startZone->getName().toStdString());
cmd.set_start_card_id(startCard->getId());
if (targetCard) {
CardZone *targetZone = targetCard->getZone();
cmd.set_target_player_id(targetZone->getPlayer()->getId());
cmd.set_target_zone(targetZone->getName().toStdString());
cmd.set_target_card_id(targetCard->getId());
} else {
PlayerTarget *targetPlayer = qgraphicsitem_cast<PlayerTarget *>(targetItem);
cmd.set_target_player_id(targetPlayer->getOwner()->getId());
}
if (startZone->getName().compare("hand") == 0) {
startCard->playCard(false);
CardInfoPtr ci = startCard->getInfo();
if (ci && (((!settingsCache->getPlayToStack() && ci->getTableRow() == 3) ||
((settingsCache->getPlayToStack() && ci->getTableRow() != 0) &&
startCard->getZone()->getName().toStdString() != "stack"))))
cmd.set_start_zone("stack");
else
cmd.set_start_zone(settingsCache->getPlayToStack() ? "stack" : "table");
}
player->sendGameCommand(cmd);
}
delArrow();
for (int i = 0; i < childArrows.size(); ++i)
childArrows[i]->mouseReleaseEvent(event);
}
ArrowAttachItem::ArrowAttachItem(ArrowTarget *_startItem)
: ArrowItem(_startItem->getOwner(), -1, _startItem, 0, Qt::green)
{
}
void ArrowAttachItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (!startItem)
return;
QPointF endPos = event->scenePos();
QList<QGraphicsItem *> colliding = scene()->items(endPos);
ArrowTarget *cursorItem = 0;
qreal cursorItemZ = -1;
for (int i = colliding.size() - 1; i >= 0; i--) {
if (qgraphicsitem_cast<CardItem *>(colliding.at(i))) {
if (colliding.at(i)->zValue() > cursorItemZ) {
cursorItem = static_cast<ArrowTarget *>(colliding.at(i));
cursorItemZ = cursorItem->zValue();
}
}
}
if ((cursorItem != targetItem) && targetItem) {
targetItem->setBeingPointedAt(false);
}
if (!cursorItem) {
fullColor = false;
targetItem = 0;
updatePath(endPos);
} else {
fullColor = true;
if (cursorItem != startItem) {
cursorItem->setBeingPointedAt(true);
}
targetItem = cursorItem;
updatePath();
}
update();
}
void ArrowAttachItem::mouseReleaseEvent(QGraphicsSceneMouseEvent * /*event*/)
{
if (!startItem)
return;
if (targetItem && (targetItem != startItem)) {
CardItem *startCard = qgraphicsitem_cast<CardItem *>(startItem);
CardZone *startZone = startCard->getZone();
CardItem *targetCard = qgraphicsitem_cast<CardItem *>(targetItem);
CardZone *targetZone = targetCard->getZone();
Command_AttachCard cmd;
cmd.set_start_zone(startZone->getName().toStdString());
cmd.set_card_id(startCard->getId());
cmd.set_target_player_id(targetZone->getPlayer()->getId());
cmd.set_target_zone(targetZone->getName().toStdString());
cmd.set_target_card_id(targetCard->getId());
player->sendGameCommand(cmd);
}
delArrow();
}