Implement complex graphics logic for notes

core/shared/core/game.h

@@ -12,5 +12,4 @@ public:
 
     virtual void input(PlayerInput&& inputdata) = 0;
     virtual void update(UpdateData&& updatedata) = 0;
-    virtual void draw() const = 0;
 };

core/shared/core/note.h

@@ -12,7 +12,7 @@ public:
     virtual bool isActive(const microsec& offset) const = 0;
     virtual void update(const microsec& music_offset) = 0;
 
-    virtual void putToGame(const microsec& offset) = 0;
+    virtual void putToGame() = 0;
     virtual bool isInGame() const = 0;
     virtual bool shouldRemove() const = 0;
 

modes/classicmode/editor/mockclassicnote.cpp

@@ -41,9 +41,9 @@ bool MockClassicNote::shouldRemove() const
         || _state == State::NONE;
 }
 
-void MockClassicNote::putToGame(const microsec &music_offset)
+void MockClassicNote::putToGame()
 {
-    _state = State::FLYING; (void)music_offset;
+    _state = State::FLYING;
 }
 
 void MockClassicNote::update(const microsec &music_offset)

modes/classicmode/editor/mockclassicnote.h

@@ -29,7 +29,7 @@ public:
     virtual bool isInGame() const override final;
     virtual bool shouldRemove() const override final;
 
-    virtual void putToGame(const microsec &music_offset) override final;
+    virtual void putToGame() override final;
     virtual void update(const microsec &music_offset) override final;
 
 private:

modes/classicmode/game/classicarrownote.cpp

@@ -1,12 +1,8 @@
 #include "classicarrownote.h"
 #include "game/classicgraphicsmanager.h"
+#include "graphics/classicanimationscenario.h"
 #include "holdmanager.h"
 
-// Replace with interface by dependency injection
-#include "graphics/classicflyinganimationscenario.h"
-#include "graphics/classicdyinganimationscenario.h"
-//
-
 ClassicArrowNote::ClassicArrowNote(ArrowNoteInitializer&& init) :
     ClassicNote(std::move(init.initializer)),
     _is_hold(init.hold)
@@ -21,9 +17,9 @@ ClassicArrowNote::ClassicArrowNote(ArrowNoteInitializer&& init) :
     }
 }
 
-void ClassicArrowNote::putToGame(const microsec &music_offset)
+void ClassicArrowNote::putToGame()
 {
-    _state = State::FLYING; (void)music_offset;
+    _state = State::FLYING;
 }
 
 void ClassicArrowNote::input(PlayerInput&& inputdata)
@@ -93,6 +89,16 @@ void ClassicArrowNote::update(const microsec& music_offset)
                 element.animations[_state]->update(music_offset);
 }
 
+void ClassicArrowNote::draw(const ClassicGraphicsManager * const manager, sf::RenderTarget& target, sf::RenderStates states) const
+{
+    manager->draw(_elements, target, states);
+}
+
+void ClassicArrowNote::setGraphics(ClassicGraphicsManager * const manager, TimeRange&& range)
+{
+    manager->setGraphics(_elements, std::move(range));
+}
+
 bool ClassicArrowNote::allElementsPressed() const
 {
     return std::all_of(_elements.begin(), _elements.end(),

modes/classicmode/game/classicarrownote.h

@@ -9,16 +9,17 @@ public:
     explicit ClassicArrowNote(ArrowNoteInitializer&& init);
     virtual ~ClassicArrowNote() = default;
 
-    virtual void putToGame(const microsec& music_offset) override;
+    virtual void putToGame() override;
     virtual void update(const microsec &music_offset) override;
     virtual void input(PlayerInput&& inputdata) override;
 
+    virtual void draw(const ClassicGraphicsManager * const manager, sf::RenderTarget& target, sf::RenderStates states) const override;
+    virtual void setGraphics(ClassicGraphicsManager * const manager, TimeRange&& range) override;
+
     bool allElementsPressed() const;
     bool isPressedAs(sf::Keyboard::Key key) const;
     inline bool isHold() const;
 
-private:
-
     struct ArrowElement
     {
         std::shared_ptr<ClassicSprite> sprite;
@@ -36,6 +37,9 @@ private:
         // Note Element represents this idea.
     };
 
+private:
     std::vector<ArrowElement> _elements;
     bool _is_hold;
 };
+
+using ArrowElements = std::vector<ClassicArrowNote::ArrowElement>;

modes/classicmode/game/classicgame.cpp

@@ -94,8 +94,10 @@ void ClassicGame::input(PlayerInput&& inputdata)
 void ClassicGame::update(UpdateData&& updatedata)
 {
     _timeline.update(updatedata.timestamp);
+    _graphics_manager->update(updatedata.timestamp);
 }
 
 void ClassicGame::draw() const
 {
+    _graphics_manager->draw();
 }

modes/classicmode/game/classicgraphicsmanager.cpp

@@ -1,6 +1,9 @@
 #include "classicgraphicsmanager.h"
 #include "graphics/classicsprite.h"
 
+#include "graphics/classicflyinganimationscenario.h"
+#include "graphics/classicdyinganimationscenario.h"
+
 ClassicGraphicsManager::ClassicGraphicsManager(Timeline<ClassicNote> &timeline, const microsec& visibility_offset) :
     _sprite_container({Type::UP, Type::DOWN,
                       Type::LEFT, Type::RIGHT},
@@ -17,19 +20,85 @@ void ClassicGraphicsManager::draw(sf::RenderTarget& target, sf::RenderStates sta
     if (nothingToDraw())
         return;
 
-    std::for_each(_first, _last,
-                  [&target, &states](const auto& note)
-                  {
-                      target.draw(*note->sprite(), states);
-                  });
+    for (auto it = _first; it != _last; ++it)
+    {
+        (*it)->draw(this, target, states);
+    }
+}
+
+void ClassicGraphicsManager::draw(const std::vector<ClassicArrowNote::ArrowElement>& elements, sf::RenderTarget& target, sf::RenderStates states) const
+{
+    for (std::size_t i = 0; i < elements.size(); ++i)
+    {
+        const auto& sprite = elements[i].sprite;
+
+        if (i >= 1)
+        {
+            const auto& neighbor_sprite = elements[i - 1].sprite;
+
+            const auto c1 = neighbor_sprite->trailCoordinates();
+            const auto c2 = sprite->trailCoordinates();
+
+            target.draw(makeLine(c1, c2));
+        }
+
+        target.draw(*sprite, states);
+    }
 }
 
-std::shared_ptr<ClassicSprite> ClassicGraphicsManager::getSprite(Type type)
+sf::VertexArray ClassicGraphicsManager::makeLine(const Coordinates& c1, const Coordinates& c2) const
 {
-    return _sprite_container.getSprite(type);
+    sf::VertexArray line(sf::LinesStrip, 2);
+    line[0].color = sf::Color::Yellow;
+    line[0].position = {c1.x + 10, c1.y};
+    line[1].color = sf::Color::Blue;
+    line[1].position = {c2.x + 10, c2.y};
+
+    return line;
+}
+
+void ClassicGraphicsManager::setGraphics(std::vector<ClassicArrowNote::ArrowElement>& elements, TimeRange &&range)
+{
+    for (auto& element : elements)
+    {
+        element.sprite = _sprite_container.getSprite(element.type);
+        element.sprite->setCoordinates(element.coordinates);
+        element.sprite->setTrailCoordinates(Coordinates( 0.f, 9.f ));
+
+        element.animations[ClassicArrowNote::State::NONE] = nullptr;
+        element.animations[ClassicArrowNote::State::FLYING] = std::make_shared<ClassicFlyingAnimationScenario>();
+        element.animations[ClassicArrowNote::State::DYING] = std::make_shared<ClassicDyingAnimationScenario>();
+        element.animations[ClassicArrowNote::State::DEAD] = nullptr;
+
+        element.animations[ClassicArrowNote::State::FLYING]->launch(element.sprite, range.begin, range.end);
+    }
 }
 
 void ClassicGraphicsManager::update(const microsec &offset)
+{
+    fetchLastNote(offset);
+    fetchFirstNote(offset);
+}
+
+void ClassicGraphicsManager::fetchFirstNote(const microsec& offset)
+{
+    (void)offset; // ????
+
+    if (nothingToDraw())
+        return;
+
+    Iterator note_iterator = _first;
+    while (note_iterator != _last)
+    {
+        auto note = *note_iterator;
+        if (note->shouldRemove())
+            ++_first;
+
+        ++note_iterator;
+    }
+}
+
+void ClassicGraphicsManager::fetchLastNote(const microsec& offset)
 {
     Iterator note_iterator = _timeline->getTopNote();
     while (!_timeline->isExpired(note_iterator) && isVisiblyClose(note_iterator, offset))
@@ -40,7 +109,10 @@ void ClassicGraphicsManager::update(const microsec &offset)
         auto note = *note_iterator;
 
         if (!note->isInGame())
-            note->putToGame(offset);
+        {
+            note->putToGame();
+            note->setGraphics(this, TimeRange{offset, note->offset()});
+        }
 
         ++note_iterator;
     }
@@ -56,5 +128,5 @@ bool ClassicGraphicsManager::nothingToDraw() const noexcept
 
 bool ClassicGraphicsManager::isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const noexcept
 {
-    return ((iterator)->offset() - _visibility_offset) <= music_offset;
+    return ((*iterator)->offset() - _visibility_offset) <= music_offset;
 }

modes/classicmode/game/classicgraphicsmanager.h

@@ -3,7 +3,7 @@
 #include "spritecontainer.h"
 #include "classicmode/classicactions.h"
 #include "graphics/classicspritefactory.h"
-#include "classicnote.h"
+#include "classicarrownote.h"
 #include "core/timeline.h"
 
 #include <SFML/Graphics/RenderTarget.hpp>
@@ -16,8 +16,12 @@ public:
     explicit ClassicGraphicsManager(Timeline<ClassicNote>& timeline, const microsec& visibility_offset);
     virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
 
-    std::shared_ptr<ClassicSprite> getSprite(Type type);
+    void draw(const std::vector<ClassicArrowNote::ArrowElement>& elements, sf::RenderTarget& target, sf::RenderStates states) const;
+    void setGraphics(std::vector<ClassicArrowNote::ArrowElement> &elements, TimeRange&& range);
+
     void update(const microsec& offset);
+    void fetchFirstNote(const microsec& offset);
+    void fetchLastNote(const microsec& offset);
 
 private:
     using Iterator = Timeline<ClassicNote>::Iterator;
@@ -32,4 +36,5 @@ private:
 
     inline bool nothingToDraw() const noexcept;
     inline bool isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const noexcept;
+    inline sf::VertexArray makeLine(const Coordinates& c1, const Coordinates& c2) const;
 };

modes/classicmode/game/classicnote.cpp

@@ -1,6 +1,6 @@
 #include "classicnote.h"
 #include "graphics/classicsprite.h"
-#include "graphics/classicgraphicsmanager.h"
+#include "game/classicgraphicsmanager.h"
 
 // Replace with interface by dependency injection
 #include "graphics/classicflyinganimationscenario.h"

modes/classicmode/game/classicnote.h

@@ -7,6 +7,9 @@
 
 class ClassicSprite;
 class ClassicAnimationScenario;
+class ClassicGraphicsManager;
+
+namespace sf { class RenderTarget; class RenderStates; }
 
 class ClassicNote : public Note
 {
@@ -35,11 +38,16 @@ public:
     virtual bool isInGame() const override final;
     virtual bool shouldRemove() const override final;
 
-    virtual void putToGame(const microsec &music_offset) override = 0;
+    virtual void putToGame() override = 0;
     virtual void update(const microsec &music_offset) override = 0;
 
     virtual void input(PlayerInput&& inputdata) = 0;
 
+    // encapsulate
+    virtual void draw(const ClassicGraphicsManager * const manager, sf::RenderTarget& target, sf::RenderStates states) const = 0;
+    virtual void setGraphics(ClassicGraphicsManager * const manager, TimeRange&& range) = 0;
+    //
+
 protected:
     const PrecisionEvaluator<Grade> _evaluator;
 

src/application/application.cpp

@@ -32,8 +32,8 @@ Application::Application() :
     EditorState::Callbacks editor_callbacks = {[&](){ popState(); }};
 
     const auto main_menu = std::make_shared<MainMenu>(_game_window, std::move(callbacks), _font_holder);
-    const auto game_state = std::make_shared<GameState>(_game_window, classic::initGame(_game_window), GameState::Callbacks());
-    const auto editor = std::make_shared<EditorState>(_game_window, classic::initEditor(_game_window), std::move(editor_callbacks), _font_holder);
+    const auto game_state = std::make_shared<GameState>(_game_window, classic::initGame(), GameState::Callbacks());
+    const auto editor = std::make_shared<EditorState>(_game_window, classic::initEditor(), std::move(editor_callbacks), _font_holder);
 
     _states[GUIState::Tag::MAIN_MENU] = main_menu;
     _states[GUIState::Tag::GAME] = game_state;

tools/shared/tools/mathutils.h

@@ -2,6 +2,20 @@
 
 using microsec = long long;
 
+struct TimeRange
+{
+    const microsec begin = 0;
+    const microsec end = 0;
+
+    constexpr inline explicit TimeRange() noexcept :
+        begin(0), end(0)
+    {}
+
+    constexpr inline explicit TimeRange(microsec x, microsec y) noexcept :
+        begin(x), end(y)
+    {}
+};
+
 struct Coordinates
 {
     float x;