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/* EscortDisplay.h
Copyright (c) 2015 by Michael Zahniser
Endless Sky 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 3 of the License, or (at your option) any later version.
Endless Sky 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
this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "Rectangle.h"
#include <cstdint>
#include <list>
#include <string>
#include <vector>
class Interface;
class Ship;
class Sprite;
// This class stores a list of escorts, sorted according to their value and
// stacked if necessary to get them to all fit on screen.
class EscortDisplay {
public:
void Clear();
void Add(const Ship &ship, bool isHere, bool systemNameKnown, bool fleetIsJumping, bool isSelected);
// Draw as many escort icons as will fit in the given bounding box.
void Draw(const Rectangle &bounds) const;
// Check if the given point is a click on an escort icon. If so, return the
// stack of ships represented by the icon. Otherwise, return an empty stack.
const std::vector<const Ship *> &Click(const Point &point) const;
private:
class Icon {
public:
Icon(const Ship &ship, bool isHere, bool systemNameKnown, bool fleetIsJumping, bool isSelected,
int basicHeight, int systemLabelHeight);
// Sorting operator.
bool operator<(const Icon &other) const;
int Height() const;
void Merge(const Icon &other);
const Sprite *sprite;
bool isDisabled;
bool isHere;
bool isHostile;
bool notReadyToJump;
bool cannotJump;
bool isSelected;
int64_t cost;
std::string system;
std::vector<double> low;
std::vector<double> high;
std::vector<const Ship *> ships;
int height = 0;
};
private:
void MergeStacks(int maxHeight) const;
private:
mutable std::list<Icon> icons;
mutable std::vector<std::vector<const Ship *>> stacks;
mutable std::vector<Rectangle> zones;
const Interface *element = nullptr;
int basicHeight = 0;
int systemLabelHeight = 0;
};
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