194 lines
6.4 KiB
C++
194 lines
6.4 KiB
C++
#pragma once
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#include <optional>
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#include <random>
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#include <set>
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#include <vector>
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#include <QElapsedTimer>
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#include <QOpenGLWidget>
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#include <QPoint>
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#include <QRectF>
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#include <QTimer>
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#include <QVector2D>
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#include "Blueprint.h"
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#include "BlueprintModeExitedEvent.h"
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#include "BlueprintPlacementRequestedEvent.h"
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#include "BuilderModeExitedEvent.h"
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#include "BuildingType.h"
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#include "BuildingTypeSelectedEvent.h"
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#include "BuildingId.h"
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#include "DemolishModeChangedEvent.h"
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#include "DemolishModeToggleRequestedEvent.h"
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#include "EventHandler.h"
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#include "ExitBlueprintModeRequestedEvent.h"
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#include "ExitBuilderModeRequestedEvent.h"
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#include "WeaponFiredEvent.h"
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#include "SchematicChoiceOption.h"
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#include "SpeedChangeRequestedEvent.h"
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#include "entt/entity/entity.hpp"
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#include "EntitySelectedEvent.h"
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#include "GameConfig.h"
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#include "Rotation.h"
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#include "Tick.h"
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#include "TickDriver.h"
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#include "VisualsConfig.h"
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class Simulation;
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class QPainter;
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struct QPointCompare
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{
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bool operator()(const QPoint& a, const QPoint& b) const
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{
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if (a.x() != b.x()) { return a.x() < b.x(); }
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return a.y() < b.y();
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}
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};
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class GameWorldView : public QOpenGLWidget,
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public CombinedEventHandler<WeaponFiredEvent,
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BuildingTypeSelectedEvent,
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ExitBuilderModeRequestedEvent,
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DemolishModeToggleRequestedEvent,
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BlueprintPlacementRequestedEvent,
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ExitBlueprintModeRequestedEvent,
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SpeedChangeRequestedEvent>
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{
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Q_OBJECT
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public:
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GameWorldView(Simulation* sim, const GameConfig* config,
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const VisualsConfig* visuals, QWidget* parent = nullptr);
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~GameWorldView() override;
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double gameSpeed() const;
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void resetFrameTimer();
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void setGameSpeed(double multiplier);
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void resetForNewGame();
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protected:
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void initializeGL() override;
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void paintGL() override;
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void keyPressEvent(QKeyEvent* event) override;
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void keyReleaseEvent(QKeyEvent* event) override;
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void mousePressEvent(QMouseEvent* event) override;
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void mouseMoveEvent(QMouseEvent* event) override;
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void mouseReleaseEvent(QMouseEvent* event) override;
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private slots:
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void onFrame();
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private:
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void handleEvent(std::shared_ptr<const WeaponFiredEvent> event) override;
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void handleEvent(std::shared_ptr<const BuildingTypeSelectedEvent> event) override;
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void handleEvent(std::shared_ptr<const ExitBuilderModeRequestedEvent> event) override;
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void handleEvent(std::shared_ptr<const DemolishModeToggleRequestedEvent> event) override;
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void handleEvent(std::shared_ptr<const BlueprintPlacementRequestedEvent> event) override;
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void handleEvent(std::shared_ptr<const ExitBlueprintModeRequestedEvent> event) override;
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void handleEvent(std::shared_ptr<const SpeedChangeRequestedEvent> event) override;
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void drawTiles(QPainter& painter);
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void drawBuildings(QPainter& painter);
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void drawStations(QPainter& painter);
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void drawBeltItems(QPainter& painter);
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void drawScrap(QPainter& painter);
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void drawShips(QPainter& painter);
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void drawDebugSensorRanges(QPainter& painter);
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void drawDebugOverlay(QPainter& painter);
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void drawBeams(QPainter& painter);
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void drawOverlays(QPainter& painter);
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void drawScreenSpace(QPainter& painter);
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float tilePx() const;
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float viewportWidthTiles() const;
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QPointF worldToWidget(QVector2D worldPos) const;
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QPointF tileToWidget(QPoint tile) const;
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QPoint widgetToTile(QPoint widgetPt) const;
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QRectF tileRect(QPoint tile) const;
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QRect viewportRect() const;
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float asteroidLeftEdge() const;
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float enemyStationRightEdge() const;
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void clampScroll();
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bool isValidPlacement(BuildingType type, QPoint anchor, Rotation rot) const;
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const BuildingDef* findBuildingDef(BuildingType type) const;
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BuildingId buildingAtTile(QPoint tile) const;
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BuildingId siteAtTile(QPoint tile) const;
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QVector2D widgetToWorld(QPoint widgetPt) const;
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void drawPortGlyph(QPainter& painter, QPoint bodyTile,
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Rotation direction, const QColor& color);
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void placeBlueprintAtTile(QPoint center);
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std::optional<QVector2D> entityPosition(entt::entity entity) const;
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void stepSpeed(int delta);
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void placeAtTile(QPoint tile);
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void enterBuilderMode(BuildingType type);
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void exitBuilderMode();
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void enterBlueprintMode(Blueprint blueprint);
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void exitBlueprintMode();
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void toggleDemolishMode();
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struct ActiveBeam
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{
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WeaponFiredEvent event;
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qint64 emittedWallMs;
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QVector2D targetOffset;
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};
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static constexpr qint64 kBeamLifetimeMs = 300;
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static constexpr float kScrollSpeedTilesPerSec = 10.0f;
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Simulation* m_sim;
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const GameConfig* m_config;
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const VisualsConfig* m_visuals;
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TickDriver m_tickDriver;
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QElapsedTimer m_frameTimer;
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qint64 m_wallMs;
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std::mt19937 m_rng;
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double m_gameSpeedMultiplier;
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double m_prevNonZeroSpeed;
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float m_scrollXTiles;
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QTimer* m_renderTimer;
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std::vector<ActiveBeam> m_activeBeams;
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std::optional<BuildingType> m_builderType;
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Rotation m_ghostRotation;
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QPoint m_ghostTile;
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bool m_ghostValid;
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std::set<QPoint, QPointCompare> m_beltDragTiles;
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bool m_dragging;
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std::optional<Blueprint> m_blueprintMode;
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QPoint m_blueprintGhostTile;
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bool m_demolishMode;
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BuildingId m_demolishHoverBuildingId;
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bool m_debugDraw;
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std::vector<BuildingId> m_selectedBuildingIds;
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std::optional<entt::entity> m_selectedEntity;
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bool m_boxSelecting;
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QPoint m_boxStartTile;
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QPoint m_boxCurrentTile;
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bool m_scrollLeft;
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bool m_scrollRight;
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bool m_gameOverShown;
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bool m_schematicChoiceShown;
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Tick m_lastTick = Tick(-1);
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int m_lastBlocks = -1;
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int m_lastBossCounter = -1;
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Tick m_lastBossCountdown = Tick(-1);
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};
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