Dan Albert 974b6590d8 Estimate TOTs for packages.
We estimate the longest possible time from mission start to TOT for
all flights in a package and use that to set the TOT (plus any delay
used to stagger flights). This both cuts down on loiter time for
shorter flights and ensures that long flights will make it to the
target in time.

This is also used to compute the start time for the AI, so the
explicit delay option is no longer needed.
2020-10-12 01:00:47 -07:00

455 lines
16 KiB
Python

"""Widgets for displaying air tasking orders."""
import datetime
import logging
from contextlib import contextmanager
from typing import ContextManager, Optional
from PySide2.QtCore import (
QItemSelectionModel,
QModelIndex,
QSize,
Qt,
)
from PySide2.QtGui import QFont, QFontMetrics, QIcon, QPainter
from PySide2.QtWidgets import (
QAbstractItemView,
QGroupBox,
QHBoxLayout,
QListView,
QPushButton,
QSplitter,
QStyle, QStyleOptionViewItem, QStyledItemDelegate, QVBoxLayout,
)
from game import db
from gen.ato import Package
from gen.flights.flight import Flight
from gen.flights.traveltime import TotEstimator
from qt_ui.windows.GameUpdateSignal import GameUpdateSignal
from ..models import AtoModel, GameModel, NullListModel, PackageModel
class FlightDelegate(QStyledItemDelegate):
FONT_SIZE = 10
HMARGIN = 4
VMARGIN = 4
def __init__(self, package: Package) -> None:
super().__init__()
self.package = package
def get_font(self, option: QStyleOptionViewItem) -> QFont:
font = QFont(option.font)
font.setPointSize(self.FONT_SIZE)
return font
@staticmethod
def flight(index: QModelIndex) -> Flight:
return index.data(PackageModel.FlightRole)
def first_row_text(self, index: QModelIndex) -> str:
flight = self.flight(index)
task = flight.flight_type.name
count = flight.count
name = db.unit_type_name(flight.unit_type)
estimator = TotEstimator(self.package)
delay = datetime.timedelta(seconds=estimator.mission_start_time(flight))
return f"[{task}] {count} x {name} in {delay}"
def second_row_text(self, index: QModelIndex) -> str:
flight = self.flight(index)
origin = flight.from_cp.name
return f"From {origin}"
def paint(self, painter: QPainter, option: QStyleOptionViewItem,
index: QModelIndex) -> None:
# Draw the list item with all the default selection styling, but with an
# invalid index so text formatting is left to us.
super().paint(painter, option, QModelIndex())
rect = option.rect.adjusted(self.HMARGIN, self.VMARGIN, -self.HMARGIN,
-self.VMARGIN)
with painter_context(painter):
painter.setFont(self.get_font(option))
icon: Optional[QIcon] = index.data(Qt.DecorationRole)
if icon is not None:
icon.paint(painter, rect, Qt.AlignLeft | Qt.AlignVCenter,
self.icon_mode(option),
self.icon_state(option))
rect = rect.adjusted(self.icon_size(option).width() + self.HMARGIN,
0, 0, 0)
painter.drawText(rect, Qt.AlignLeft, self.first_row_text(index))
line2 = rect.adjusted(0, rect.height() / 2, 0, rect.height() / 2)
painter.drawText(line2, Qt.AlignLeft, self.second_row_text(index))
clients = self.num_clients(index)
if clients:
painter.drawText(rect, Qt.AlignRight,
f"Player Slots: {clients}")
def num_clients(self, index: QModelIndex) -> int:
flight = self.flight(index)
return flight.client_count
@staticmethod
def icon_mode(option: QStyleOptionViewItem) -> QIcon.Mode:
if not (option.state & QStyle.State_Enabled):
return QIcon.Disabled
elif option.state & QStyle.State_Selected:
return QIcon.Selected
elif option.state & QStyle.State_Active:
return QIcon.Active
return QIcon.Normal
@staticmethod
def icon_state(option: QStyleOptionViewItem) -> QIcon.State:
return QIcon.On if option.state & QStyle.State_Open else QIcon.Off
@staticmethod
def icon_size(option: QStyleOptionViewItem) -> QSize:
icon_size: Optional[QSize] = option.decorationSize
if icon_size is None:
return QSize(0, 0)
else:
return icon_size
def sizeHint(self, option: QStyleOptionViewItem,
index: QModelIndex) -> QSize:
left = self.icon_size(option).width() + self.HMARGIN
metrics = QFontMetrics(self.get_font(option))
first = metrics.size(0, self.first_row_text(index))
second = metrics.size(0, self.second_row_text(index))
text_width = max(first.width(), second.width())
return QSize(left + text_width + 2 * self.HMARGIN,
first.height() + second.height() + 2 * self.VMARGIN)
class QFlightList(QListView):
"""List view for displaying the flights of a package."""
def __init__(self, model: Optional[PackageModel]) -> None:
super().__init__()
self.package_model = model
self.set_package(model)
if model is not None:
self.setItemDelegate(FlightDelegate(model.package))
self.setIconSize(QSize(91, 24))
self.setSelectionBehavior(QAbstractItemView.SelectItems)
def set_package(self, model: Optional[PackageModel]) -> None:
"""Sets the package model to display."""
if model is None:
self.disconnect_model()
else:
self.package_model = model
self.setItemDelegate(FlightDelegate(model.package))
self.setModel(model)
# noinspection PyUnresolvedReferences
model.deleted.connect(self.disconnect_model)
self.selectionModel().setCurrentIndex(
model.index(0, 0, QModelIndex()),
QItemSelectionModel.Select
)
def disconnect_model(self) -> None:
"""Clears the listview of any model attachments.
Displays an empty list until set_package is called with a valid model.
"""
model = self.model()
if model is not None and isinstance(model, PackageModel):
model.deleted.disconnect(self.disconnect_model)
self.setModel(NullListModel())
@property
def selected_item(self) -> Optional[Flight]:
"""Returns the selected flight, if any."""
index = self.currentIndex()
if not index.isValid():
return None
return self.package_model.flight_at_index(index)
class QFlightPanel(QGroupBox):
"""The flight display portion of the ATO panel.
Displays the flights assigned to the selected package, and includes edit and
delete buttons for flight management.
"""
def __init__(self, game_model: GameModel,
package_model: Optional[PackageModel] = None) -> None:
super().__init__("Flights")
self.game_model = game_model
self.package_model = package_model
self.vbox = QVBoxLayout()
self.setLayout(self.vbox)
self.flight_list = QFlightList(package_model)
self.vbox.addWidget(self.flight_list)
self.button_row = QHBoxLayout()
self.vbox.addLayout(self.button_row)
self.edit_button = QPushButton("Edit")
self.edit_button.clicked.connect(self.on_edit)
self.button_row.addWidget(self.edit_button)
self.delete_button = QPushButton("Delete")
# noinspection PyTypeChecker
self.delete_button.setProperty("style", "btn-danger")
self.delete_button.clicked.connect(self.on_delete)
self.button_row.addWidget(self.delete_button)
self.selection_changed.connect(self.on_selection_changed)
self.on_selection_changed()
def set_package(self, model: Optional[PackageModel]) -> None:
"""Sets the package model to display."""
self.package_model = model
self.flight_list.set_package(model)
self.selection_changed.connect(self.on_selection_changed)
self.on_selection_changed()
@property
def selection_changed(self):
"""Returns the signal emitted when the flight selection changes."""
return self.flight_list.selectionModel().selectionChanged
def on_selection_changed(self) -> None:
"""Updates the status of the edit and delete buttons."""
index = self.flight_list.currentIndex()
enabled = index.isValid()
self.edit_button.setEnabled(enabled)
self.delete_button.setEnabled(enabled)
self.change_map_flight_selection(index)
@staticmethod
def change_map_flight_selection(index: QModelIndex) -> None:
if not index.isValid():
GameUpdateSignal.get_instance().select_flight(None)
return
GameUpdateSignal.get_instance().select_flight(index.row())
def on_edit(self) -> None:
"""Opens the flight edit dialog."""
index = self.flight_list.currentIndex()
if not index.isValid():
logging.error(f"Cannot edit flight when no flight is selected.")
return
from qt_ui.dialogs import Dialog
Dialog.open_edit_flight_dialog(
self.package_model, self.package_model.flight_at_index(index)
)
def on_delete(self) -> None:
"""Removes the selected flight from the package."""
index = self.flight_list.currentIndex()
if not index.isValid():
logging.error(f"Cannot delete flight when no flight is selected.")
return
self.game_model.game.aircraft_inventory.return_from_flight(
self.flight_list.selected_item)
self.package_model.delete_flight_at_index(index)
GameUpdateSignal.get_instance().redraw_flight_paths()
@contextmanager
def painter_context(painter: QPainter) -> ContextManager[None]:
try:
painter.save()
yield
finally:
painter.restore()
class PackageDelegate(QStyledItemDelegate):
FONT_SIZE = 12
HMARGIN = 4
VMARGIN = 4
def get_font(self, option: QStyleOptionViewItem) -> QFont:
font = QFont(option.font)
font.setPointSize(self.FONT_SIZE)
return font
@staticmethod
def package(index: QModelIndex) -> Package:
return index.data(AtoModel.PackageRole)
def left_text(self, index: QModelIndex) -> str:
package = self.package(index)
return f"{package.package_description} {package.target.name}"
def right_text(self, index: QModelIndex) -> str:
package = self.package(index)
if package.time_over_target is None:
return ""
tot = datetime.timedelta(seconds=package.time_over_target)
return f"TOT T+{tot}"
def paint(self, painter: QPainter, option: QStyleOptionViewItem,
index: QModelIndex) -> None:
# Draw the list item with all the default selection styling, but with an
# invalid index so text formatting is left to us.
super().paint(painter, option, QModelIndex())
rect = option.rect.adjusted(self.HMARGIN, self.VMARGIN, -self.HMARGIN,
-self.VMARGIN)
with painter_context(painter):
painter.setFont(self.get_font(option))
painter.drawText(rect, Qt.AlignLeft, self.left_text(index))
line2 = rect.adjusted(0, rect.height() / 2, 0, rect.height() / 2)
painter.drawText(line2, Qt.AlignLeft, self.right_text(index))
clients = self.num_clients(index)
if clients:
painter.drawText(rect, Qt.AlignRight,
f"Player Slots: {clients}")
def num_clients(self, index: QModelIndex) -> int:
package = self.package(index)
return sum(f.client_count for f in package.flights)
def sizeHint(self, option: QStyleOptionViewItem,
index: QModelIndex) -> QSize:
metrics = QFontMetrics(self.get_font(option))
left = metrics.size(0, self.left_text(index))
right = metrics.size(0, self.right_text(index))
return QSize(max(left.width(), right.width()) + 2 * self.HMARGIN,
left.height() + right.height() + 2 * self.VMARGIN)
class QPackageList(QListView):
"""List view for displaying the packages of an ATO."""
def __init__(self, model: AtoModel) -> None:
super().__init__()
self.ato_model = model
self.setModel(model)
self.setItemDelegate(PackageDelegate())
self.setIconSize(QSize(91, 24))
self.setSelectionBehavior(QAbstractItemView.SelectItems)
@property
def selected_item(self) -> Optional[Package]:
"""Returns the selected package, if any."""
index = self.currentIndex()
if not index.isValid():
return None
return self.ato_model.package_at_index(index)
class QPackagePanel(QGroupBox):
"""The package display portion of the ATO panel.
Displays the package assigned to the player's ATO, and includes edit and
delete buttons for package management.
"""
def __init__(self, model: AtoModel) -> None:
super().__init__("Packages")
self.ato_model = model
self.ato_model.layoutChanged.connect(self.on_selection_changed)
self.vbox = QVBoxLayout()
self.setLayout(self.vbox)
self.package_list = QPackageList(self.ato_model)
self.vbox.addWidget(self.package_list)
self.button_row = QHBoxLayout()
self.vbox.addLayout(self.button_row)
self.edit_button = QPushButton("Edit")
self.edit_button.clicked.connect(self.on_edit)
self.button_row.addWidget(self.edit_button)
self.delete_button = QPushButton("Delete")
# noinspection PyTypeChecker
self.delete_button.setProperty("style", "btn-danger")
self.delete_button.clicked.connect(self.on_delete)
self.button_row.addWidget(self.delete_button)
self.selection_changed.connect(self.on_selection_changed)
self.on_selection_changed()
@property
def selection_changed(self):
"""Returns the signal emitted when the flight selection changes."""
return self.package_list.selectionModel().selectionChanged
def on_selection_changed(self) -> None:
"""Updates the status of the edit and delete buttons."""
index = self.package_list.currentIndex()
enabled = index.isValid()
self.edit_button.setEnabled(enabled)
self.delete_button.setEnabled(enabled)
self.change_map_package_selection(index)
def change_map_package_selection(self, index: QModelIndex) -> None:
if not index.isValid():
GameUpdateSignal.get_instance().select_package(None)
return
package = self.ato_model.get_package_model(index)
if package.rowCount() == 0:
GameUpdateSignal.get_instance().select_package(None)
else:
GameUpdateSignal.get_instance().select_package(index.row())
def on_edit(self) -> None:
"""Opens the package edit dialog."""
index = self.package_list.currentIndex()
if not index.isValid():
logging.error(f"Cannot edit package when no package is selected.")
return
from qt_ui.dialogs import Dialog
Dialog.open_edit_package_dialog(self.ato_model.get_package_model(index))
def on_delete(self) -> None:
"""Removes the package from the ATO."""
index = self.package_list.currentIndex()
if not index.isValid():
logging.error(f"Cannot delete package when no package is selected.")
return
self.ato_model.delete_package_at_index(index)
GameUpdateSignal.get_instance().redraw_flight_paths()
class QAirTaskingOrderPanel(QSplitter):
"""A split panel for displaying the packages and flights of an ATO.
Used as the left-bar of the main UI. The top half of the panel displays the
packages of the player's ATO, and the bottom half displays the flights of
the selected package.
"""
def __init__(self, game_model: GameModel) -> None:
super().__init__(Qt.Vertical)
self.ato_model = game_model.ato_model
self.package_panel = QPackagePanel(self.ato_model)
self.package_panel.selection_changed.connect(self.on_package_change)
self.ato_model.rowsInserted.connect(self.on_package_change)
self.addWidget(self.package_panel)
self.flight_panel = QFlightPanel(game_model)
self.addWidget(self.flight_panel)
def on_package_change(self) -> None:
"""Sets the newly selected flight for display in the bottom panel."""
index = self.package_panel.package_list.currentIndex()
if index.isValid():
self.flight_panel.set_package(
self.ato_model.get_package_model(index)
)
else:
self.flight_panel.set_package(None)