Add SFML project with Paddle class and miscellaneous utilities

- Introduced `Paddle` class for player controls in the SFML project.
- Added `main.cpp` to demonstrate basic paddle movement and rendering.
- Created reusable templates (`templates.h`) and inline class (`inlines.h`) in the `misc` module.
- Defined `structs`, `enums`, `unions` in `misc/structs_enums_unions.h`.
- Updated CMake configuration for the `sfml` and `misc` modules.
- Included new assets for backgrounds, characters, enemies, and tiles.

cpp/misc/CMakeLists.txt

@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 4.1)
+project(misc)
+
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_FLAGS -pedantic-errors)
+
+add_executable(misc
+        main.cpp
+        )

cpp/misc/inlines.h

@@ -0,0 +1,16 @@
+//
+// Created by David Hackbarth on 27.02.26.
+//
+
+#ifndef MISC_INLINES_H
+#define MISC_INLINES_H
+
+class Value {
+public:
+    Value(int val) : value(val) {} // implicit inline
+    int getValue() const { return value; } // implicit inline
+private:
+    int value;
+};
+
+#endif //MISC_INLINES_H

cpp/misc/main.cpp

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+#include <random>
+#include <iostream>
+
+#include "templates.h"
+#include "structs_enums_unions.h"
+#include "inlines.h"
+
+int main() {
+    int *pI = new int(0);
+    long *pL = new long(0);
+
+    safeDelete<int>(pI);
+    safeDelete(pL);
+
+    Node<int> n1(1);
+    Node<int> n2(2);
+    Node<int> n3(3);
+
+    n1.next = &n2;
+    n2.next = &n3;
+
+    // random
+    std::default_random_engine generator;
+    std::uniform_int_distribution<int> distribution(1, 100);
+
+    std::cout << distribution(generator) << std::endl;
+
+    for (int i = 0; i < 10; i++) {
+        std::cout << distribution(generator) << std::endl;
+    }
+
+    // enums
+    Weekdays weekday = Weekdays::Monday;
+    std::cout << "Today is " << weekday << std::endl;
+
+    // unions
+    ScreenSize screen_size;
+    screen_size.u.width = 1920;
+    screen_size.u.height = 1080;
+
+    int size = sizeof(screen_size);
+
+    // structs
+    Vector3 v1 = {1.0f, 2.0f, 3.0f};
+    Vector3 v2 = {4.0f, 5.0f, 6.0f};
+    Vector3 v3 = {7.0f, 8.0f, 9.0f};
+
+    bool isEqual = v1 == v2;
+    std::cout << "v1 == v2: " << isEqual << std::endl;
+    std::cout << "v1: " << v1 << std::endl;
+
+    // inline
+    Value v(42);
+    std::cout << "Value: " << v.getValue() << std::endl;
+
+    return 0;
+}

cpp/misc/structs_enums_unions.h

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+//
+// Created by David Hackbarth on 27.02.26.
+//
+
+#ifndef MISC_STRUCTS_ENUMS_UNIONS_H
+#define MISC_STRUCTS_ENUMS_UNIONS_H
+
+#include <iostream>
+
+struct Vector3 {
+    // public
+    float x, y, z;
+
+    bool operator==(const Vector3 &other) const { return x == other.x && y == other.y && z == other.z; }
+    bool operator!=(const Vector3 &other) const { return !(*this == other); }
+    bool operator<(const Vector3 &other) const { return x < other.x && y < other.y && z < other.z; }
+    bool operator<=(const Vector3 &other) const { return *this < other || *this == other; }
+    bool operator>(const Vector3 &other) const { return !(*this <= other); }
+    bool operator>=(const Vector3 &other) const { return !(*this < other); }
+
+private:
+    // private
+};
+
+std::ostream& operator<<(std::ostream& os, const Vector3& v) {
+    os << "(" << v.x << "/" << v.y << "/" << v.z << ")";
+    return os;
+}
+
+enum Weekdays {
+    Monday = 1, Tuesday = 2, Wednesday = 3, Thursday = 4, Friday = 5, Saturday = 6, Sunday = 7,
+
+    FORCE_DWORD = 0x7fffffff // DWORD -> double word -> unsigned 32bit, word -> unsigned 16bit
+};
+
+union ScreenSize {
+    unsigned int value; // 32bit
+    struct {
+        unsigned short width; // first 16bit
+        unsigned short height; // second 16bit
+    } u;
+
+    struct {
+        unsigned short width; // first 16bit
+        unsigned short height; // second 16bit
+    } _;
+};
+
+#endif //MISC_STRUCTS_ENUMS_UNIONS_H

cpp/misc/templates.h

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+//
+// Created by David Hackbarth on 27.02.26.
+//
+
+#ifndef MISC_TEMPLATES_H
+#define MISC_TEMPLATES_H
+
+template<class T>
+void safeDelete(T*& pObj)
+{
+    if (pObj != nullptr)
+    {
+        delete pObj;
+        pObj = nullptr;
+    }
+}
+
+template<typename T>
+class Node
+{
+public:
+    T data;
+    Node* next;
+
+    Node(T value) : data(value), next(nullptr) {}
+};
+
+#endif //MISC_TEMPLATES_H