initial commit

7 files changed, 91 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cba7efc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+a.out
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..8802526
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+CFLAGS="-std=c++20 -Wall -Wextra -iquotesrc"
+LIBS="-lSDL2"
+SRC="src/*.cpp demo.cpp"
+
+g++ $CFLAGS $SRC $LIBS
+echo g++
+clang++ $CFLAGS $SRC $LIBS
+echo clang++
diff --git a/compile_flags.txt b/compile_flags.txt
new file mode 100644
index 0000000..a2f670f
--- /dev/null
+++ b/compile_flags.txt
@@ -0,0 +1,4 @@
+-Wall
+-Wextra
+-std=c++20
+-iquotesrc
diff --git a/demo.cpp b/demo.cpp
new file mode 100644
index 0000000..b8a014f
--- /dev/null
+++ b/demo.cpp
@@ -0,0 +1,11 @@
+#include "FLD.hpp"
+
+int
+main()
+{
+	FLD fld;
+	if (fld.init()) {
+		return 1;
+	}
+	return 0;
+}
diff --git a/src/FLD.cpp b/src/FLD.cpp
new file mode 100644
index 0000000..319357e
--- /dev/null
+++ b/src/FLD.cpp
@@ -0,0 +1,41 @@
+#include "FLD.hpp"
+#include <SDL2/SDL.h>
+
+FLD::Error
+FLD::init()
+{
+	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0)
+		return sdl_error();
+
+	_window = SDL_CreateWindow("uwu",
+	                           SDL_WINDOWPOS_UNDEFINED,
+	                           SDL_WINDOWPOS_UNDEFINED,
+	                           128,
+	                           128,
+	                           SDL_WINDOW_RESIZABLE);
+	if (_window == nullptr)
+		return sdl_error();
+
+#ifdef __EMSCRIPTEN__
+	_renderer = SDL_CreateRenderer(_window, -1, SDL_RENDERER_SOFTWARE);
+#else
+	_renderer = SDL_CreateRenderer(_window, -1, SDL_RENDERER_ACCELERATED);
+#endif
+	if (_renderer == nullptr)
+		return sdl_error();
+
+	return 0;
+}
+
+FLD::~FLD()
+{
+	if (_renderer != nullptr) {
+		SDL_DestroyRenderer(_renderer);
+		_renderer = nullptr;
+	}
+	if (_window != nullptr) {
+		SDL_DestroyWindow(_window);
+		_window = nullptr;
+	}
+	SDL_Quit();
+}
diff --git a/src/FLD.hpp b/src/FLD.hpp
new file mode 100644
index 0000000..d4947d6
--- /dev/null
+++ b/src/FLD.hpp
@@ -0,0 +1,16 @@
+#pragma once
+#include <SDL2/SDL_render.h>
+
+#define READONLY(T, X, V) private: T _##X = V; public: T const& X = _##X
+
+class FLD {
+	READONLY(SDL_Window *, window, nullptr);
+	READONLY(SDL_Renderer *, renderer, nullptr);
+public:
+	using Error = int;
+
+	[[nodiscard]] Error init();
+	~FLD();
+private:
+	Error sdl_error() const;
+};
diff --git a/src/sdl_throw.cpp b/src/sdl_throw.cpp
new file mode 100644
index 0000000..4d66e23
--- /dev/null
+++ b/src/sdl_throw.cpp
@@ -0,0 +1,9 @@
+#include "FLD.hpp"
+#include <SDL2/SDL_log.h>
+
+FLD::Error
+FLD::sdl_error() const
+{
+	SDL_Log("SDL runtime error: %s", SDL_GetError());
+	return -1;
+}