Implement generic SpriteContainer

include/spritecontainer.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include <memory>
+#include <stack>
+#include <map>
+
+template<typename Type, class SpriteFactory, class Sprite,
+         typename = std::enable_if_t<std::is_enum<Type>::value>>
+class SpriteContainer
+{
+public:
+    explicit SpriteContainer(std::initializer_list<Type>&& types,
+                             std::unique_ptr<SpriteFactory>&& factory,
+                             std::size_t reserve_size = 20) :
+        _sprite_factory(std::move(factory)),
+        _poll_reserve_size(reserve_size)
+    {
+        for (const Type& type : types)
+            reallocatePoll(type);
+    }
+
+    inline std::shared_ptr<Sprite> getSprite(Type type)
+    {
+        SpritePoll& poll = _sprite_dispatcher.at(type);
+
+        if (poll.empty())
+            reallocatePoll(type);
+
+        std::shared_ptr<Sprite> sprite = poll.top();
+        poll.pop();
+
+        return sprite;
+    }
+
+    inline void resetSprite(const std::shared_ptr<Sprite> &sprite, Type action) noexcept
+    {
+        _sprite_dispatcher[action].push(sprite);
+    }
+
+    ~SpriteContainer(){}
+
+private:
+    inline void reallocatePoll(Type sprite_type)
+    {
+        SpritePoll &poll = _sprite_dispatcher[sprite_type];
+        for (std::size_t i = 0; i < _poll_reserve_size; ++i)
+        {
+            poll.push(_sprite_factory->create(sprite_type));
+        }
+    }
+
+    using SpritePoll = std::stack<std::shared_ptr<Sprite>>;
+
+    std::map<Type, SpritePoll> _sprite_dispatcher;
+    std::unique_ptr<SpriteFactory> _sprite_factory;
+
+    std::size_t _poll_reserve_size;
+};

src/classicgame/classicactions.h

@@ -11,7 +11,9 @@ enum class Action
     PRESS_LEFT,    RELEASE_LEFT,
 
     PRESS_SLIDER_RIGHT,  RELEASE_SLIDER_RIGHT,
-    PRESS_SLIDER_LEFT,   RELEASE_SLIDER_LEFT
+    PRESS_SLIDER_LEFT,   RELEASE_SLIDER_LEFT,
+
+    COUNT
 };
 
 enum class Button

src/classicgame/classicgame.cpp

@@ -1,11 +1,13 @@
 #include "classicgame.h"
 #include "classicinputtype.h"
 #include "classictimeline.h"
+#include "classicgraphicsmanager.h"
 #include "spritecontainer.h"
 #include "classicnote.h"
 
 ClassicGame::ClassicGame() :
-    _timeline(std::make_unique<ClassicTimeline>())
+    _timeline(std::make_unique<ClassicTimeline>()),
+    _graphics_manager(std::make_unique<ClassicGraphicsManager>())
 {
     _keys_to_buttons =
     {
@@ -51,7 +53,7 @@ ClassicGame::~ClassicGame()
 
 void ClassicGame::run()
 {
-    _timeline->fetchVisibleNotes(_sprite_container);
+    _timeline->fetchVisibleNotes(_graphics_manager);
     _timeline->run();
 }
 
@@ -100,7 +102,7 @@ Action ClassicGame::getActionKeyReleased(Button button) const
 void ClassicGame::update()
 {
     _timeline->update();
-    _timeline->fetchVisibleNotes(_sprite_container);
+    _timeline->fetchVisibleNotes(_graphics_manager);
 }
 
 void ClassicGame::draw(sf::RenderWindow& window) const

src/classicgame/classicgame.h

@@ -8,6 +8,8 @@
 #include "spritecontainer.h"
 
 class ClassicTimeline;
+class ClassicSprite;
+class ClassicGraphicsManager;
 
 class ClassicGame final : public Game
 {
@@ -30,7 +32,7 @@ private:
     Action getActionKeyReleased(Button button) const;
 
     std::unique_ptr<ClassicTimeline> _timeline;
-    SpriteContainer _sprite_container;
+    std::unique_ptr<ClassicGraphicsManager> _graphics_manager;
 };
 
 #endif // CLASSICGAME_H

src/classicgame/classicgraphicsmanager.cpp

@@ -0,0 +1,19 @@
+#include "classicgraphicsmanager.h"
+#include "classicnote.h"
+
+ClassicGraphicsManager::ClassicGraphicsManager() :
+    _sprite_container({Action::PRESS_UP, Action::PRESS_DOWN,
+                      Action::PRESS_LEFT, Action::PRESS_RIGHT},
+                      std::make_unique<ClassicSpriteFactory>("VeraMono.ttf"))
+{}
+
+void ClassicGraphicsManager::initSprite(ClassicNote* note)
+{
+    const auto action_type = note->action();
+    note->setSprite(_sprite_container.getSprite(action_type));
+}
+
+void ClassicGraphicsManager::resetSprite(ClassicNote* note)
+{
+    _sprite_container.resetSprite(note->sprite(), note->action());
+}

src/classicgame/classicgraphicsmanager.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include "classicactions.h"
+#include "spritecontainer.h"
+#include "classicspritefactory.h"
+
+class ClassicSprite;
+class ClassicNote;
+
+class ClassicGraphicsManager
+{
+public:
+    explicit ClassicGraphicsManager();
+
+    void initSprite(ClassicNote* note);
+    void resetSprite(ClassicNote* note);
+
+private:
+    SpriteContainer<Action, ClassicSpriteFactory, ClassicSprite> _sprite_container;
+};

src/classicgame/classicsprite.cpp

@@ -2,6 +2,7 @@
 #include <SFML/Graphics/RenderTarget.hpp>
 
 ClassicSprite::ClassicSprite(const sf::RectangleShape& shape, const sf::Font& font) :
+    _prototype(shape),
     _shape(shape),
     _trail(shape),
     _font(font)
@@ -22,6 +23,9 @@ void ClassicSprite::reset()
     _trail.setPosition(0, 0);
     _grade_text.setPosition(0, 0);
     _grade_text.setFillColor(sf::Color(255, 255, 255, 0));
+
+    _shape = _prototype;
+    _trail = _prototype;
 }
 
 void ClassicSprite::setCoordinates(float x, float y, float trail_x, float trail_y) noexcept
@@ -45,6 +49,8 @@ void ClassicSprite::pulse()
 {
     _grade_text.setFillColor(sf::Color(255, 255, 255, 255));
     _shape.setFillColor(sf::Color(140, 140, 140));
+    _trail.setPosition(0, 0);
+    _trail.setFillColor(sf::Color(0, 0, 0, 0));
 }
 
 void ClassicSprite::fade()
@@ -54,7 +60,7 @@ void ClassicSprite::fade()
     if (fill_color.a == 0)
         return;
 
-    auto new_alpha = fill_color.a - 55;
+    auto new_alpha = fill_color.a - 15;
     fill_color.a = new_alpha < 0 ? 0 : new_alpha;
 
     _grade_text.setFillColor(fill_color);
@@ -64,7 +70,7 @@ void ClassicSprite::fade()
     if (fill_color.a == 0)
         return;
 
-    new_alpha = fill_color.a - 55;
+    new_alpha = fill_color.a - 15;
     fill_color.a = new_alpha < 0 ? 0 : new_alpha;
 
     _shape.setFillColor(fill_color);

src/classicgame/classicsprite.h

@@ -20,6 +20,8 @@ public:
     bool isDead() const;
 
 private:
+    sf::RectangleShape _prototype;
+
     sf::RectangleShape _shape;
     sf::RectangleShape _trail;
     sf::Text _grade_text;

src/classicgame/classicspritefactory.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <memory>
+#include "classicinputtype.h"
+#include "classicsprite.h"
+
+class ClassicSpriteFactory
+{
+public:
+    inline ClassicSpriteFactory(const std::string& font_filename)
+    {
+        _font.loadFromFile(font_filename);
+    }
+
+    inline std::shared_ptr<ClassicSprite> create(Action action)
+    {
+        sf::RectangleShape sprite;
+        sprite.setSize({20.f, 20.f});
+        switch (action)
+        {
+        case Action::PRESS_UP:
+            sprite.setFillColor(sf::Color(255, 0, 0));
+            break;
+
+        case Action::PRESS_DOWN:
+            sprite.setFillColor(sf::Color(0, 255, 0));
+            break;
+
+        case Action::PRESS_LEFT:
+            sprite.setFillColor(sf::Color(0, 0, 255));
+            break;
+
+        case Action::PRESS_RIGHT:
+            sprite.setFillColor(sf::Color(255, 0, 255));
+            break;
+
+        default:    // yellow
+            sprite.setFillColor(sf::Color(255, 239, 0));
+        }
+
+        return std::make_shared<ClassicSprite>(sprite, _font);
+    }
+
+private:
+    sf::Font _font;
+};
+

src/classicgame/classictimeline.cpp

@@ -3,6 +3,7 @@
 #include "classictimeline.h"
 #include "classicnote.h"
 #include "spritecontainer.h"
+#include "classicgraphicsmanager.h"
 
 #include <SFML/Graphics/RenderTarget.hpp>
 
@@ -63,7 +64,7 @@ ClassicTimeline::~ClassicTimeline()
 
 void ClassicTimeline::clear()
 {
-    for (auto note : _timeline)
+    for (auto& note : _timeline)
         delete note;
 
     _timeline.clear();
@@ -74,23 +75,25 @@ void ClassicTimeline::update()
     const microsec& offset = currentMusicOffset();
     checkCurrentActiveNote(offset);
     checkForNextActiveNote(offset);
+    updateVisibleSprites(offset);
 }
 
-void ClassicTimeline::checkCurrentActiveNote(const microsec &music_offset)
+void ClassicTimeline::checkCurrentActiveNote(const microsec& music_offset)
 {
     if (isExpired(_active_note))
         return;
 
     auto note = *_active_note;
 
-    if (!note->isActive(music_offset))
+    if (note->state() != ClassicNote::State::FLYING || !note->isActive(music_offset))
     {
+        note->setState(ClassicNote::State::DYING);
         expire(_active_note);
         ++_top_note;
     }
 }
 
-void ClassicTimeline::checkForNextActiveNote(const microsec &music_offset)
+void ClassicTimeline::checkForNextActiveNote(const microsec& music_offset)
 {
     if (!isExpired(_active_note))
         return;
@@ -100,17 +103,29 @@ void ClassicTimeline::checkForNextActiveNote(const microsec &music_offset)
         _active_note = _top_note;
 }
 
+void ClassicTimeline::updateVisibleSprites(const microsec& music_offset)
+{
+    if (nothingToDraw())
+        return;
+
+    std::for_each(_first_visible_note, _last_visible_note,
+                  [&music_offset](const auto& note)
+                  {
+                      note->update(music_offset);
+                  });
+}
+
 ClassicTimeline::Iterator ClassicTimeline::getActiveNote() noexcept
 {
     return _active_note;
 }
 
-bool ClassicTimeline::isExpired(const Iterator &iterator) const
+bool ClassicTimeline::isExpired(const Iterator& iterator) const
 {
     return iterator == _timeline.end();
 }
 
-void ClassicTimeline::expire(Iterator &iterator)
+void ClassicTimeline::expire(Iterator& iterator)
 {
     iterator = _timeline.end();
 }
@@ -120,19 +135,19 @@ microsec ClassicTimeline::currentMusicOffset() const
     return _music.getPlayingOffset().asMicroseconds();
 }
 
-bool ClassicTimeline::isVisiblyClose(const Iterator &iterator, const microsec &music_offset) const
+bool ClassicTimeline::isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const
 {
     return ((*iterator)->offset() - _visibility_offset) <= music_offset;
 }
 
-void ClassicTimeline::fetchVisibleNotes(SpriteContainer& sprite_container)
+void ClassicTimeline::fetchVisibleNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager)
 {
     const microsec music_offset = currentMusicOffset();
-    initGraphicsForNewNotes(sprite_container, music_offset);
-    discardGraphicsForDeadNotes(sprite_container);
+    initGraphicsForNewNotes(graphics_manager, music_offset);
+    discardGraphicsForDeadNotes(graphics_manager);
 }
 
-void ClassicTimeline::initGraphicsForNewNotes(SpriteContainer& sprite_container, const microsec &music_offset)
+void ClassicTimeline::initGraphicsForNewNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager, const microsec &music_offset)
 {
     Iterator note_iterator = _top_note;
     while (isVisiblyClose(note_iterator, music_offset))
@@ -142,20 +157,19 @@ void ClassicTimeline::initGraphicsForNewNotes(SpriteContainer& sprite_container,
 
         auto note = *note_iterator;
 
-        if (note->sprite())
-            continue;
-
+        if (!note->sprite())
+        {
             note->saveAppearanceTime(music_offset);
+            graphics_manager->initSprite(note);
+        }
 
-        const auto action_type = note->action();
-        const auto sprite = sprite_container.getSprite(action_type);
-        note->setSprite(sprite);
+        ++note_iterator;
     }
 
     _last_visible_note = note_iterator;
 }
 
-void ClassicTimeline::discardGraphicsForDeadNotes(SpriteContainer &sprite_container)
+void ClassicTimeline::discardGraphicsForDeadNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager)
 {
     if (nothingToDraw())
         return;
@@ -167,11 +181,12 @@ void ClassicTimeline::discardGraphicsForDeadNotes(SpriteContainer &sprite_contai
         if (note->state() == ClassicNote::State::DEAD)
         {
             note->setState(ClassicNote::State::NONE);
-            const auto action_type = note->action();
-            sprite_container.resetSprite(note->sprite(), action_type);
-            note->setSprite(nullptr);
+            graphics_manager->resetSprite(note);
+
             ++_first_visible_note;
         }
+
+        ++note_iterator;
     }
 }
 
@@ -191,3 +206,4 @@ void ClassicTimeline::drawVisibleNotes(sf::RenderWindow &window) const
                       window.draw(*note);
                   });
 }
+

src/classicgame/classictimeline.h

@@ -5,8 +5,8 @@
 #include "timeline.h"
 #include <SFML/Audio/Music.hpp>
 
+class ClassicGraphicsManager;
 class ClassicNote;
-class SpriteContainer;
 
 class ClassicTimeline : public Timeline
 {
@@ -20,9 +20,9 @@ public:
     virtual microsec currentMusicOffset() const override;
     virtual void drawVisibleNotes(sf::RenderWindow& window) const override;
 
-    void fetchVisibleNotes(SpriteContainer& sprite_container);
-    void initGraphicsForNewNotes(SpriteContainer& sprite_container, const microsec& music_offset);
-    void discardGraphicsForDeadNotes(SpriteContainer& sprite_container);
+    void fetchVisibleNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager);
+    void initGraphicsForNewNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager, const microsec& music_offset);
+    void discardGraphicsForDeadNotes(const std::unique_ptr<ClassicGraphicsManager>& graphics_manager);
 
     using Iterator = std::vector<ClassicNote*>::const_iterator;
 
@@ -42,8 +42,9 @@ private:
 
     sf::Music _music;
 
-    void checkCurrentActiveNote(const microsec &music_offset);
-    void checkForNextActiveNote(const microsec &music_offset);
+    void updateVisibleSprites(const microsec& music_offset);
+    void checkCurrentActiveNote(const microsec& music_offset);
+    void checkForNextActiveNote(const microsec& music_offset);
     bool isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const;
     bool nothingToDraw() const noexcept;
 

src/classicgame/spritecontainer.cpp

@@ -1,78 +0,0 @@
-#include "spritecontainer.h"
-#include "classicsprite.h"
-
-#include <SFML/Graphics/RectangleShape.hpp>
-#include <iostream>
-
-static constexpr std::size_t RESERVED_SIZE = 20;
-
-SpriteContainer::SpriteContainer()
-{
-    for (auto kind_of_action : {Action::PRESS_UP, Action::PRESS_DOWN,
-                                Action::PRESS_LEFT, Action::PRESS_RIGHT})
-    {
-        reallocatePoll(kind_of_action);
-    }
-
-    std::cout << "Sprite poll reallocated.\n";
-
-    _font.loadFromFile("VeraMono.ttf");
-}
-
-void SpriteContainer::reallocatePoll(Action kind_of_action)
-{
-    SpritePoll &poll = _sprite_dispatcher[kind_of_action];
-    for (std::size_t i = 0; i < RESERVED_SIZE; ++i)
-    {
-        poll.push(createSprite(kind_of_action));
-    }
-}
-
-std::shared_ptr<ClassicSprite> SpriteContainer::createSprite(Action kind_of_action) const
-{
-    sf::RectangleShape sprite;
-    sprite.setSize({20.f, 20.f});
-    switch (kind_of_action)
-    {
-    case Action::PRESS_UP:
-        sprite.setFillColor(sf::Color(255, 0, 0));
-        break;
-
-    case Action::PRESS_DOWN:
-        sprite.setFillColor(sf::Color(0, 255, 0));
-        break;
-
-    case Action::PRESS_LEFT:
-        sprite.setFillColor(sf::Color(0, 0, 255));
-        break;
-
-    case Action::PRESS_RIGHT:
-        sprite.setFillColor(sf::Color(255, 0, 255));
-        break;
-
-    default:    // yellow
-        sprite.setFillColor(sf::Color(255, 239, 0));
-    }
-
-    return std::make_shared<ClassicSprite>(sprite, _font);
-}
-
-std::shared_ptr<ClassicSprite> SpriteContainer::getSprite(Action action)
-{
-    SpritePoll& poll = _sprite_dispatcher.at(action);
-
-    if (poll.empty())
-        reallocatePoll(action);
-
-    std::shared_ptr<ClassicSprite> sprite = poll.top();
-    poll.pop();
-    std::cout << "Taking a sprite from poll.\n";
-
-    return sprite;
-}
-
-void SpriteContainer::resetSprite(const std::shared_ptr<ClassicSprite> &sprite, Action action)
-{
-    _sprite_dispatcher[action].push(sprite);
-    std::cout << "Returning a sprite to poll.\n";
-}

src/classicgame/spritecontainer.h

@@ -1,31 +0,0 @@
-#pragma once
-
-#include "classicactions.h"
-
-#include <memory>
-#include <stack>
-
-#include <SFML/Graphics/Font.hpp>
-
-class ClassicSprite;
-class ClassicNote;
-
-/* Move Sprite initialization into factory
- *          and make this class template   */
-
-class SpriteContainer
-{
-public:
-    explicit SpriteContainer();
-
-    std::shared_ptr<ClassicSprite> getSprite(Action action);
-    void resetSprite(const std::shared_ptr<ClassicSprite> &sprite, Action action);
-
-private:
-    void reallocatePoll(Action kind_of_action);
-    std::shared_ptr<ClassicSprite> createSprite(Action kind_of_action) const;
-
-    using SpritePoll = std::stack<std::shared_ptr<ClassicSprite>>;
-    std::map<Action, SpritePoll> _sprite_dispatcher;
-    sf::Font _font;
-};