Implemented rotation for sprites, among other things

CMakeLists.txt

@@ -137,6 +137,9 @@ set(COORDINATES_00_SOURCES
         src/coordinates/translated_coordinates.h
         src/coordinates/translated_coordinates.cpp)
 
+set(MINIMAP_00_SOURCES
+        src/prototypes/minimap_00.cpp)
+
 # Add an executable target
 add_executable(Holesome ${SOURCES})
 add_executable(Physics_00 ${PHYSICS_00_SOURCES})
@@ -145,6 +148,8 @@ add_executable(Math_00 ${MATH_00_SOURCES})
 
 add_executable(Coordinates_00 ${COORDINATES_00_SOURCES})
 
+add_executable(Minimap_00 ${MINIMAP_00_SOURCES})
+
 # Link SFML and other libraries to your executable target
 target_link_libraries(Holesome sfml-graphics sfml-audio)
 target_link_libraries(Holesome Eigen3::Eigen)
@@ -156,6 +161,8 @@ target_link_libraries(Math_00 Eigen3::Eigen)
 
 target_link_libraries(Coordinates_00 Eigen3::Eigen)
 
+target_link_libraries(Minimap_00 sfml-graphics sfml-audio)
+
 # Assets
 add_custom_target(copy_assets
         COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_LIST_DIR}/assets ${CMAKE_CURRENT_BINARY_DIR}/assets

src/config.h

@@ -13,7 +13,7 @@
 #define PLAYER_RADIUS_PER_LEVEL 0.25f
 
 // World
-#define WORLD_GRAVITY b2Vec2(0.f, 0.f)
+#define WORLD_GRAVITY b2Vec2(0.f, -9.8f)
 #define SKY_HEIGHT_SCALE 2.f
 
 // FPS

src/coordinates/translated_coordinates.cpp

@@ -101,3 +101,11 @@ TranslatedCoordinates::TranslatedCoordinates(DiagonalWorldCoordinates diagonalWo
 {
     setDiagonal(diagonalWorldCoordinates);
 }
+
+void TranslatedCoordinates::removeParent()
+{
+    // Uncomment, if global position should be preserved
+//    auto globalWorldCoordinates = this->world();
+//    this->worldCoordinates = globalWorldCoordinates;
+    this->parent = nullptr;
+}

src/coordinates/translated_coordinates.h

@@ -36,6 +36,8 @@ public:
 
     void setParent(std::shared_ptr<TranslatedCoordinates> parent, WorldCoordinates offset = {0, 0});
 
+    void removeParent();
+
     void setWorldOffset(WorldCoordinates offset);
 
     void setScreenOffset(IsometricCoordinates offset);

src/game/collectables/collectable.cpp

@@ -1,6 +1,7 @@
 #include "collectable.hpp"
 #include "../../sprites/versatile_sprite.hpp"
 #include "../../config.h"
+#include "../input/input_mapper.h"
 
 Collectable::Collectable()
 {
@@ -10,7 +11,9 @@ Collectable::Collectable()
 
 void Collectable::setRotation(float angle)
 {
-
+    // Assume that the sprite is the first child
+    auto sprite = std::dynamic_pointer_cast<VersatileSprite>(getChildren()[0]);
+    sprite->setRotation(angle);
 }
 
 float Collectable::getDepth() const
@@ -29,3 +32,28 @@ void Collectable::setSprite(const std::string &spriteName)
     // Set half size offset of coordinates
     coordinates->move(IsometricCoordinates(0, -sizeWidth / 2.f, 0));
 }
+
+void Collectable::update()
+{
+    GameObject::update();
+
+    // TODO: Remove this
+    if (InputMapper::getInstance()->getInputIdentities().empty())
+    {
+        return;
+    }
+
+    std::shared_ptr<InputIdentity> inputIdentity = InputMapper::getInstance()->getInputIdentity(
+            InputDeviceGroup::KEYBOARD_WASD);
+
+    // Rotate based on grow/shrink input
+    if (inputIdentity->isPerformingAction(GameAction::GROW))
+    {
+        angle += 10.f;
+    } else if (inputIdentity->isPerformingAction(GameAction::SHRINK))
+    {
+        angle -= 10.f;
+    }
+
+    setRotation(angle);
+}

src/game/collectables/collectable.hpp

@@ -13,16 +13,20 @@ public:
 
     void setRotation(float angle);
 
+    void update() override;
+
     float getDepth() const;
 
     int getId() const
     {
         return collectableId;
     }
-
 private:
     int collectableId = 0;
     static inline int collectableCount = 0;
+
+    float angle = 0;
+
 };
 
 

src/game/collectables/collection/collectables_collection.cpp

@@ -30,17 +30,18 @@ void CollectablesCollection::createEmpty(int maxDepth)
 void CollectablesCollection::remove(const std::shared_ptr<Collectable> &collectable)
 {
     depthCollections[collectable->getDepth()]->remove(collectable);
-
+    removeChild(collectable);
 }
 
 void CollectablesCollection::add(const std::shared_ptr<Collectable> &collectable)
 {
     depthCollections[collectable->getDepth()]->add(collectable);
+    addDetachedChild(collectable);
 }
 
 void CollectablesCollection::update()
 {
-    updateCollectables();
+    GameObject::update();
 
     // Move collectables to new depth collections if necessary
 
@@ -57,9 +58,12 @@ void CollectablesCollection::update()
         for (auto &collectable: collectables)
         {
             int newDepth = std::floor(collectable->getDepth());
-            if (newDepth != depth)
+            if (newDepth == depth)
             {
-                if (newDepth < 0 || newDepth >= (int) depthCollections.size())
+                continue;
+            }
+
+            if (!isValidDepth(newDepth))
             {
                 LOG(ERROR) << "Collectable " << collectable->getId() << " has invalid depth " << newDepth
                            << "! Keeping it at previous depth " << depth << " ...";
@@ -71,7 +75,9 @@ void CollectablesCollection::update()
         }
     }
 }
-}
+
+bool CollectablesCollection::isValidDepth(int desiredDepth) const
+{ return desiredDepth >= 0 && desiredDepth < (int) depthCollections.size(); }
 
 void CollectablesCollection::draw(sf::RenderWindow *window)
 {
@@ -86,25 +92,3 @@ void CollectablesCollection::draw(sf::RenderWindow *window)
         }
     }
 }
-
-void CollectablesCollection::updateCollectables()
-{
-    for (auto &[depth, depthCollection]: depthCollections)
-    {
-        for (auto &collectable: depthCollection->collectables)
-        {
-            collectable->update();
-        }
-    }
-}
-
-std::shared_ptr<CollectablesDepthCollection> CollectablesCollection::getDepthCollection(int depth)
-{
-    if (depthCollections.find(depth) == depthCollections.end())
-    {
-        LOG(ERROR) << "Depth collection for depth " << depth << " does not exist! Returning empty collection ...";
-        return std::make_shared<CollectablesDepthCollection>(depth);
-    }
-
-    return depthCollections[depth];
-}

src/game/collectables/collection/collectables_collection.hpp

@@ -23,14 +23,12 @@ public:
     void add(const std::shared_ptr<Collectable>& collectable);
     void remove(const std::shared_ptr<Collectable>& collectable);
 
-    std::shared_ptr<CollectablesDepthCollection> getDepthCollection(int depth);
-
 private:
     static inline std::shared_ptr<CollectablesCollection> singletonInstance = nullptr;
 
     std::map<int, std::shared_ptr<CollectablesDepthCollection>> depthCollections = {};
 
-    void updateCollectables();
+    bool isValidDepth(int desiredDepth) const;
 };
 
 

src/game/game.cpp

@@ -99,6 +99,14 @@ void Game::update()
     }
 
     InputMapper::getInstance()->updateIdentities();
+
+    for (const auto &gameObject: gameObjects)
+    {
+        if (gameObject->getActive())
+        {
+            gameObject->preRenderUpdate();
+        }
+    }
 }
 
 std::shared_ptr<Game> Game::getInstance()

src/game/game_object.cpp

@@ -64,6 +64,7 @@ void GameObject::removeChild(const std::shared_ptr<GameObject> &child)
     if (it != children.end())
     {
         children.erase(it);
+        child->coordinates->removeParent();
     }
 }
 
@@ -84,3 +85,11 @@ void GameObject::addDetachedChild(const std::shared_ptr<GameObject> &child)
 {
     children.push_back(child);
 }
+
+void GameObject::preRenderUpdate()
+{
+    for (auto &child: children)
+    {
+        child->preRenderUpdate();
+    }
+}

src/game/game_object.h

@@ -20,6 +20,8 @@ public:
 
     virtual void physicsUpdate();
 
+    virtual void preRenderUpdate();
+
     void setActive(bool active);
     bool getActive() const { return isActive; }
 

src/game/physics/holes/collectable_simulation.cpp

@@ -20,7 +20,7 @@ void CollectableSimulation::physicsUpdate()
 {
     updateGroundHole();
 
-//    world->Step(FRAME_TIME.asSeconds(), COLLECTABLES_SIM_VELOCITY_ITERATIONS, COLLECTABLES_SIM_POSITION_ITERATIONS);
+    world->Step(FRAME_TIME.asSeconds(), COLLECTABLES_SIM_VELOCITY_ITERATIONS, COLLECTABLES_SIM_POSITION_ITERATIONS);
 
     updateCollectable();
 }

src/prototypes/minimap_00.cpp

@@ -0,0 +1,72 @@
+#include <SFML/Graphics/RenderWindow.hpp>
+#include <SFML/Window/Event.hpp>
+#include <SFML/Graphics/CircleShape.hpp>
+#include <SFML/Graphics/RectangleShape.hpp>
+
+void drawMainContent(sf::RenderWindow *window)
+{
+    sf::RectangleShape rectangle(sf::Vector2f(800, 600));
+    rectangle.setFillColor(sf::Color::Green);
+    rectangle.setPosition(0, 0);
+    window->draw(rectangle);
+
+    sf::CircleShape circle(50);
+    circle.setFillColor(sf::Color::Red);
+    circle.setPosition(150, 150);
+    window->draw(circle);
+}
+
+void drawMiniMapContent(sf::RenderWindow *window)
+{
+    sf::RectangleShape rectangle(sf::Vector2f(196, 196));
+    rectangle.setFillColor(sf::Color::White);
+    rectangle.setPosition(2, 2);
+    rectangle.setOutlineColor(sf::Color::Black);
+    rectangle.setOutlineThickness(2);
+    window->draw(rectangle);
+
+    sf::CircleShape circle(20);
+    circle.setFillColor(sf::Color::Blue);
+    circle.setPosition(80, 80);
+    window->draw(circle);
+}
+
+int main(int argc, char *argv[])
+{
+    // Create simple window
+    sf::RenderWindow window(sf::VideoMode(800, 600), "Minimap example");
+
+    // Create minimap view
+    sf::View minimapView(sf::FloatRect(0, 0, 200, 200));
+    // Set viewport to the top right corner
+    minimapView.setViewport(sf::FloatRect(0.75f, 0, 0.25f, 0.25f));
+
+    while (window.isOpen()) {
+        window.clear(sf::Color::Black);
+
+        // Draw main content
+        auto fullView = window.getDefaultView();
+        window.setView(fullView);
+
+        drawMainContent(&window);
+
+
+        // Draw minimap
+        window.setView(minimapView);
+
+        drawMiniMapContent(&window);
+
+
+        // Finished
+        window.display();
+
+        // Handle close event
+        sf::Event event{};
+        while (window.pollEvent(event)) {
+            if (event.type == sf::Event::Closed) {
+                window.close();
+                break;
+            }
+        }
+    }
+}

src/sprites/animated_sprite.cpp

@@ -4,7 +4,12 @@
 
 AnimatedSprite::AnimatedSprite(const std::vector<sf::Sprite> &sprites, const sf::Vector2f &size)
 {
-    this->sprites = sprites;
+    // Create a copy of the sprites as pointers
+    for (auto &sprite: sprites)
+    {
+        this->sprites.push_back(std::make_shared<sf::Sprite>(sprite));
+    }
+
     setSize(size);
 }
 
@@ -25,27 +30,50 @@ void AnimatedSprite::update()
 void AnimatedSprite::draw(sf::RenderWindow *window)
 {
     auto currentSprite = sprites[currentFrame];
-    currentSprite.setPosition(coordinates->isometric().toScreen());
+    currentSprite->setPosition(renderPosition);
 
-    window->draw(currentSprite);
+    window->draw(*currentSprite);
 }
 
 void AnimatedSprite::setSize(const sf::Vector2f &size)
 {
     for (auto &sprite: sprites)
     {
-        sprite.setScale(size.x / sprite.getTextureRect().width, size.y / sprite.getTextureRect().height);
+        sprite->setScale(size.x / sprite->getTextureRect().width, size.y / sprite->getTextureRect().height);
     }
 }
 
 sf::Vector2f AnimatedSprite::getSize() const
 {
-    auto scale = sprites[currentFrame].getScale();
-    auto textureSize = sprites[currentFrame].getTextureRect();
+    auto scale = sprites[currentFrame]->getScale();
+    auto textureSize = sprites[currentFrame]->getTextureRect();
     return {textureSize.width * scale.x, textureSize.height * scale.y};
 }
 
 sf::Sprite AnimatedSprite::getSprite() const
 {
-    return sprites[currentFrame];
+    return *sprites[currentFrame];
+}
+
+void AnimatedSprite::setRotation(float angle)
+{
+    this->angle = restrictAngle(angle);
+
+    for (auto &sprite: sprites)
+    {
+        sprite->setRotation(angle);
+    }
+}
+
+void AnimatedSprite::preRenderUpdate()
+{
+    if (angle == 0)
+    {
+        renderPosition = coordinates->isometric().toScreen();
+        return;
+    }
+
+    auto position = coordinates->isometric().toScreen();
+
+    renderPosition = calculateRotatedCornerPosition(position, angle);
 }

src/sprites/animated_sprite.hpp

@@ -23,10 +23,17 @@ public:
 
     sf::Sprite getSprite() const override;
 
+    void preRenderUpdate() override;
+
+    void setRotation(float angle) override;
+
 private:
     int currentFrame = 0;
     sf::Time timeSinceLastFrame = sf::Time::Zero;
-    std::vector<sf::Sprite> sprites;
+    std::vector<std::shared_ptr<sf::Sprite>> sprites;
+
+    sf::Vector2f renderPosition;
+    float angle = 0;
 };
 
 

src/sprites/single_sprite.cpp

@@ -17,7 +17,7 @@ SingleSprite::SingleSprite(const std::shared_ptr<sf::Texture> &texture, const sf
 
 void SingleSprite::draw(sf::RenderWindow *window)
 {
-    sprite.setPosition(coordinates->isometric().toScreen());
+    sprite.setPosition(renderPosition);
     window->draw(sprite);
 }
 
@@ -42,3 +42,22 @@ sf::Sprite SingleSprite::getSprite() const
 {
     return sprite;
 }
+
+void SingleSprite::setRotation(float angle)
+{
+    this->angle = restrictAngle(angle);
+    sprite.setRotation(angle);
+}
+
+void SingleSprite::preRenderUpdate()
+{
+    if (angle == 0)
+    {
+        renderPosition = coordinates->isometric().toScreen();
+        return;
+    }
+
+    auto position = coordinates->isometric().toScreen();
+
+    renderPosition = calculateRotatedCornerPosition(position, angle);
+}

src/sprites/single_sprite.hpp

@@ -9,9 +9,9 @@
 class SingleSprite : public GameObject, public Sprite
 {
 public:
-    SingleSprite(const sf::Sprite &sprite, const sf::Vector2f &size = sf::Vector2f(0, 0));
+    explicit SingleSprite(const sf::Sprite &sprite, const sf::Vector2f &size = sf::Vector2f(0, 0));
 
-    SingleSprite(const std::shared_ptr<sf::Texture> &texture, const sf::Vector2f &size = sf::Vector2f(0, 0));
+    explicit SingleSprite(const std::shared_ptr<sf::Texture> &texture, const sf::Vector2f &size = sf::Vector2f(0, 0));
 
     void draw(sf::RenderWindow *window) override;
 
@@ -21,8 +21,14 @@ public:
 
     sf::Sprite getSprite() const override;
 
+    void setRotation(float angle) override;
+
+    void preRenderUpdate() override;
+
 private:
     sf::Sprite sprite;
+    float angle = 0;
+    sf::Vector2f renderPosition;
 };
 
 

src/sprites/sprite.hpp

@@ -5,6 +5,7 @@
 #include <vector>
 #include <memory>
 #include <SFML/Graphics/Sprite.hpp>
+#include <cmath>
 
 class Sprite
 {
@@ -23,6 +24,52 @@ public:
     {
         throw std::runtime_error("Sprite::getSprite() not implemented");
     }
+
+    /**
+     * Rotates a sprite around its center.
+     * @param angle [0, 360]
+     */
+    virtual void setRotation(float angle)
+    {
+        throw std::runtime_error("Sprite::setRotation() not implemented");
+    }
+
+protected:
+    static float restrictAngle(float angle)
+    {
+        float const MAX_ANGLE = 360.f;
+        angle = std::fmod(angle, MAX_ANGLE); // Get the remainder after dividing by 360
+
+        if (angle < 0.0f)
+        {
+            float numberOfTimes = std::ceil(std::abs(angle) / MAX_ANGLE);
+            angle += MAX_ANGLE * numberOfTimes; // Convert negative angles to positive
+        }
+
+        return angle;
+    }
+
+    [[nodiscard]] sf::Vector2f
+    calculateRotatedCornerPosition(sf::Vector2f spriteScreenPosition, float angle) const
+    {
+        angle = restrictAngle(angle);
+
+        auto spriteSize = getSize();
+
+        // Calculate the center point of the sprite
+        sf::Vector2f center(spriteScreenPosition.x + spriteSize.x / 2, spriteScreenPosition.y + spriteSize.y / 2);
+
+        // Convert the angle to radians
+        float angle_rad = angle * (M_PI / 180.0f);
+
+        // Calculate the rotated coordinates of the top left corner
+        float new_x = center.x + (spriteScreenPosition.x - center.x) * std::cos(angle_rad) -
+                      (spriteScreenPosition.y - center.y) * std::sin(angle_rad);
+        float new_y = center.y + (spriteScreenPosition.x - center.x) * std::sin(angle_rad) +
+                      (spriteScreenPosition.y - center.y) * std::cos(angle_rad);
+
+        return {new_x, new_y};
+    }
 };
 
 #endif //HOLESOME_SPRITE_HPP

src/sprites/versatile_sprite.cpp

@@ -22,42 +22,34 @@ VersatileSprite::VersatileSprite(const std::string &name, sf::Vector2f size)
 
 void VersatileSprite::setSize(const sf::Vector2f &size)
 {
-    if (singleSprite != nullptr)
-    {
-        singleSprite->setSize(size);
-    } else if (animatedSprite != nullptr)
-    {
-        animatedSprite->setSize(size);
-    } else
-    {
-        Sprite::setSize(size);
-    }
+    getUsedSpritePtr()->setSize(size);
 }
 
 sf::Vector2f VersatileSprite::getSize() const
 {
-    if (singleSprite != nullptr)
-    {
-        return singleSprite->getSize();
-    } else if (animatedSprite != nullptr)
-    {
-        return animatedSprite->getSize();
-    } else
-    {
-        return Sprite::getSize();
-    }
+    return getUsedSpritePtr()->getSize();
 }
 
 sf::Sprite VersatileSprite::getSprite() const
+{
+    return getUsedSpritePtr()->getSprite();
+}
+
+void VersatileSprite::setRotation(float angle)
+{
+    getUsedSpritePtr()->setRotation(angle);
+}
+
+std::shared_ptr<Sprite> VersatileSprite::getUsedSpritePtr() const
 {
     if (singleSprite != nullptr)
     {
-        return singleSprite->getSprite();
+        return singleSprite;
     } else if (animatedSprite != nullptr)
     {
-        return animatedSprite->getSprite();
+        return animatedSprite;
     } else
     {
-        return {};
+        throw std::runtime_error("Versatile sprite has no sprite");
     }
 }

src/sprites/versatile_sprite.hpp

@@ -18,11 +18,15 @@ public:
 
     [[nodiscard]] sf::Vector2f getSize() const override;
 
-    sf::Sprite getSprite() const override;
+    [[nodiscard]] sf::Sprite getSprite() const override;
+
+    void setRotation(float angle) override;
 
 private:
     std::shared_ptr<SingleSprite> singleSprite = nullptr;
     std::shared_ptr<AnimatedSprite> animatedSprite = nullptr;
+
+    std::shared_ptr<Sprite> getUsedSpritePtr() const;
 };