From ef612dcc19314e5d81d9e20a65fc77d3d29759b8 Mon Sep 17 00:00:00 2001
From: Matthew <matthew@sleepy.day>
Date: Sat, 7 Feb 2026 17:23:14 +1100
Subject: [PATCH] first commit

---
 .gitignore  |  2 ++
 .gitmodules |  3 +++
 .ignore     |  5 ++++
 SDL         |  1 +
 build.sh    | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.cpp    | 32 ++++++++++++++++++++++++
 6 files changed, 113 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .gitmodules
 create mode 100644 .ignore
 create mode 160000 SDL
 create mode 100755 build.sh
 create mode 100644 main.cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..db06fe5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+build
+include/SDL3
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b21aa1f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "SDL"]
+	path = SDL
+	url = https://github.com/libsdl-org/SDL.git
diff --git a/.ignore b/.ignore
new file mode 100644
index 0000000..c50fdc5
--- /dev/null
+++ b/.ignore
@@ -0,0 +1,5 @@
+.git
+.gitmodules
+SDL
+include/SDL3
+build
diff --git a/SDL b/SDL
new file mode 160000
index 0000000..3dc48a4
--- /dev/null
+++ b/SDL
@@ -0,0 +1 @@
+Subproject commit 3dc48a4890d37560e4159f50b7a6eadc9b9c1936
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..9a929e6
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+set -eu
+
+for arg in "$@"; do declare $arg="1"; done
+
+if [ ! -v release ]; then debug=1; fi
+if [ ! -v clang   ]; then gcc=1;   fi
+
+if [ -v release ]; then 
+	build_mode="-g"
+	echo "[Release Mode]"
+fi
+if [ -v debug   ]; 
+	build_mode="-O2"
+	then echo "[Debug Mode]"
+fi
+
+script_dir="$(dirname -- "${BASH_SOURCE[0]}" )"
+cd $script_dir
+
+mkdir -p build
+mkdir -p include
+
+# SDL
+if ! [ -f "build/libSDL3.a" ]; then
+	cmake -S SDL -B SDL/build -DSDL_STATIC=ON -DSDL_SHARED=OFF
+
+	cd SDL/build
+	make
+	cd ../..
+
+	cp SDL/build/libSDL3.a build
+	cp -r SDL/include/SDL3 include
+fi
+
+if [ -v gcc ]; then 
+	if ! [ -x "$(command -v g++)" ]; then
+		echo "Unable to find gcc compiler, try again with the clang flag or install gcc."
+		exit 1
+	fi
+
+	compiler_flags="-fzero-init-padding-bits=unions"
+	compiler="g++"
+elif [ -v clang ]; then
+	if ! [ -x "$(command -v clang++)" ]; then
+		echo "Unable to find clang compiler, try again with the gcc flag or install clang"
+		exit 1
+	fi
+
+	compiler_flags=""
+	compiler="clang++"
+fi
+
+if   [ -x "$(command -v mold)" ]; then
+	linker="mold";
+elif [ -x "$(command -v lld)" ]; then
+	linker="lld";
+elif [ -x "$(command -v ld)" ]; then
+	linker="ld"
+else
+	echo "Unable to find a linker, please install mold, lld or ld"
+	exit 1
+fi
+
+src="main.cpp"
+out="build/Renderer"
+linker_flags="-lGL -Lbuild -l:libSDL3.a"
+flags="-std=c++23 ${build_mode} ${compiler_flags} -Iinclude -fuse-ld=${linker} -o${out}"
+
+$compiler $src $linker_flags $flags
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..475075e
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,32 @@
+#include <cstdio>
+
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+
+bool
+Init()
+{
+	const char* error = NULL;
+
+	SDL_SetAppMetadata("Renderer", "0.0", "com.sleepyday.renderer");
+
+	if(!SDL_Init(SDL_INIT_VIDEO))
+	{
+		error = SDL_GetError();
+		goto InitFailure;
+	}
+
+	return true;
+
+InitFailure:
+	printf("Failed to initialize: [%s]", error);
+
+	return false;
+}
+
+int
+main(int argc, char** argv)
+{
+	Init();
+
+}