From 9216fc9f846742bdcfabc3d324999a96c816e9e9 Mon Sep 17 00:00:00 2001
From: NaiJi <naijiworld@protonmail.com>
Date: Tue, 15 Feb 2022 23:07:28 +0300
Subject: [PATCH] Implement timeline graphics manager

---
 .../classictimelinegraphicsmanager.cpp        | 121 ++++++++++++++++++
 .../graphics/classictimelinegraphicsmanager.h |  42 ++++++
 2 files changed, 163 insertions(+)
 create mode 100644 src/modes/classicmode/graphics/classictimelinegraphicsmanager.cpp
 create mode 100644 src/modes/classicmode/graphics/classictimelinegraphicsmanager.h

diff --git a/src/modes/classicmode/graphics/classictimelinegraphicsmanager.cpp b/src/modes/classicmode/graphics/classictimelinegraphicsmanager.cpp
new file mode 100644
index 0000000..c497860
--- /dev/null
+++ b/src/modes/classicmode/graphics/classictimelinegraphicsmanager.cpp
@@ -0,0 +1,121 @@
+#include "classictimelinegraphicsmanager.h"
+
+#include "editor/mockelement.h"
+#include "game/arrowelement.h"
+
+ClassicTimelineGraphicsManager::ClassicTimelineGraphicsManager(const std::shared_ptr<kku::Timeline<ClassicNote>>& timeline,
+                                                               const std::shared_ptr<ClassicGraphicsFactory>& factory,
+                                                               const kku::microsec& visibility_offset) :
+    ClassicGraphicsManager(visibility_offset),
+    _sprite_container({Type::UP, Type::DOWN,
+                      Type::LEFT, Type::RIGHT},
+                      factory),
+    _factory(factory),
+    _timeline(timeline)
+{
+}
+
+void ClassicTimelineGraphicsManager::input(kku::GameEvent&& input)
+{
+    (void)input;
+}
+
+void ClassicTimelineGraphicsManager::display() const
+{
+    if (nothingToDraw())
+        return;
+}
+
+void ClassicTimelineGraphicsManager::update(const kku::microsec &offset)
+{
+    fetchLastNote(offset);
+    fetchFirstNote(offset);
+
+    updateVisibleNotes(offset);
+}
+
+void ClassicTimelineGraphicsManager::display(const std::vector<ArrowElement>& elements) 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->trailPosition();
+            //const auto c2 = sprite->trailPosition();
+
+            //_render_target->draw(makeLine(c1, c2));
+        }
+
+        sprite->display();
+    }
+}
+
+void ClassicTimelineGraphicsManager::setGraphics(std::vector<ArrowElement>& elements, kku::TimeRange &&range)
+{
+    (void)elements; (void)range;
+}
+
+void ClassicTimelineGraphicsManager::display(const std::vector<MockElement>& elements) 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->trailPosition();
+            //const auto c2 = sprite->trailPosition();
+
+            //_render_target->draw(makeLine(c1, c2));
+        }
+
+        sprite->display();
+    }
+}
+
+void ClassicTimelineGraphicsManager::setGraphics(std::vector<MockElement>& elements, kku::TimeRange &&range)
+{
+    (void)elements; (void)range;
+}
+
+/*sf::VertexArray ClassicSceneGraphicsSFML::makeLine(const kku::Point& c1, const kku::Point& c2) const
+{
+    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 ClassicTimelineGraphicsManager::updateVisibleNotes(const kku::microsec &offset)
+{
+    (void)offset;
+}
+
+void ClassicTimelineGraphicsManager::fetchFirstNote(const kku::microsec& offset)
+{
+    (void)offset; // ????
+}
+
+void ClassicTimelineGraphicsManager::fetchLastNote(const kku::microsec& offset)
+{
+    (void)offset; // ????
+}
+
+bool ClassicTimelineGraphicsManager::nothingToDraw() const noexcept
+{
+    return true;
+}
+
+bool ClassicTimelineGraphicsManager::isVisiblyClose(const ClassicNote * const note, const kku::microsec& music_offset) const noexcept
+{
+    return note && music_offset;
+}
diff --git a/src/modes/classicmode/graphics/classictimelinegraphicsmanager.h b/src/modes/classicmode/graphics/classictimelinegraphicsmanager.h
new file mode 100644
index 0000000..ac92422
--- /dev/null
+++ b/src/modes/classicmode/graphics/classictimelinegraphicsmanager.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include "classicmode/classicnote.h"
+#include "graphics/classicgraphicsmanager.h"
+#include "graphics/classicgraphicsfactory.h"
+#include "core/timeline.h"
+#include "core/spritecontainer.h"
+
+class ClassicSprite;
+
+class ClassicTimelineGraphicsManager : public ClassicGraphicsManager
+{
+public:
+    explicit ClassicTimelineGraphicsManager(const std::shared_ptr<kku::Timeline<ClassicNote>>& timeline,
+                                         const std::shared_ptr<ClassicGraphicsFactory>& factory,
+                                         const kku::microsec& visibility_offset);
+
+    virtual void input(kku::GameEvent&& input) override;
+
+    virtual void display() const override;
+    virtual void update(const kku::microsec& offset) override;
+
+    virtual void display(const std::vector<ArrowElement>& elements) const override;
+    virtual void setGraphics(std::vector<ArrowElement>& elements, kku::TimeRange&& range) override;
+
+    virtual void display(const std::vector<MockElement>& elements) const override;
+    virtual void setGraphics(std::vector<MockElement>& elements, kku::TimeRange&& range) override;
+
+protected:
+    kku::SpriteContainer<Type, ClassicGraphicsFactory, ClassicSprite> _sprite_container;
+    const std::shared_ptr<const ClassicGraphicsFactory> _factory;
+
+    const std::shared_ptr<kku::Timeline<ClassicNote>> _timeline;
+
+    inline bool nothingToDraw() const noexcept;
+    inline bool isVisiblyClose(const ClassicNote * const note, const kku::microsec& music_offset) const noexcept;
+    //inline sf::VertexArray makeLine(const kku::Point& c1, const kku::Point& c2) const;
+
+    void fetchFirstNote(const kku::microsec& offset);
+    void fetchLastNote(const kku::microsec& offset);
+    void updateVisibleNotes(const kku::microsec& offset);
+};