init

11 files changed, 185 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bd379b4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,67 @@
+[Bb]uild_[Dd]ir
+
+# CMake
+CMakeLists.txt.user
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+Makefile
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+_deps
+
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..993223c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/SDL"]
+	path = external/SDL
+	url = https://github.com/libsdl-org/SDL.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..99b7b45
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.25.1)
+
+project(space_squad)
+
+file(GLOB SOURCES
+	"src/main.c"
+	"src/lib/lib.c"
+	)
+
+#add_library(lib src/lib.c)
+
+add_executable(${PROJECT_NAME} ${SOURCES})
+
+add_subdirectory(external/SDL)
+
+target_include_directories(${PROJECT_NAME}
+	PUBLIC external/SDL/include
+	)
+
+target_link_directories(${PROJECT_NAME}
+	PRIVATE external/SDL
+	)
+
+target_link_libraries(${PROJECT_NAME}
+	SDL3::SDL3 # dynamic lib
+	#SDL3::SDL3-static # static lib
+	)
diff --git a/build b/build
new file mode 100755
index 0000000..45cd35b
--- /dev/null
+++ b/build
@@ -0,0 +1,2 @@
+#! /bin/sh
+cd build_dir ; make
diff --git a/configure b/configure
new file mode 100755
index 0000000..352dcd6
--- /dev/null
+++ b/configure
@@ -0,0 +1,3 @@
+#! /bin/sh
+
+cmake -S . -B build_dir
diff --git a/external/SDL b/external/SDL
new file mode 160000
+Subproject 87c8e2b942108555f36a3ae951de9557a5b41da
diff --git a/run b/run
new file mode 100755
index 0000000..95c0220
--- /dev/null
+++ b/run
@@ -0,0 +1,3 @@
+#! /bin/sh
+
+./build_dir/space_squad
diff --git a/src/compile_flags.txt b/src/compile_flags.txt
new file mode 100644
index 0000000..268f070
--- /dev/null
+++ b/src/compile_flags.txt
@@ -0,0 +1,2 @@
+-I./
+-I../external/SDL/include
diff --git a/src/lib/lib.c b/src/lib/lib.c
new file mode 100644
index 0000000..4de4456
--- /dev/null
+++ b/src/lib/lib.c
@@ -0,0 +1,6 @@
+#include "lib.h"
+
+int add(int a, int b)
+{
+	return a + b;
+}
diff --git a/src/lib/lib.h b/src/lib/lib.h
new file mode 100644
index 0000000..77a0e1e
--- /dev/null
+++ b/src/lib/lib.h
@@ -0,0 +1,3 @@
+
+int
+add(int a, int b);
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..567492f
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include "lib/lib.h"
+#include "SDL3/SDL.h"
+
+const int SCREEN_WIDTH = 640;
+const int SCREEN_HEIGHT = 480;
+
+int
+main()
+{
+	SDL_Window* window = NULL;
+
+	SDL_Surface* screenSurface = NULL;
+
+	if(SDL_Init(SDL_INIT_VIDEO) < 0)
+	{
+		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
+	}
+	else
+	{
+		window = SDL_CreateWindow(
+				"SDL Tutorial",
+				SDL_WINDOWPOS_UNDEFINED,
+				SDL_WINDOWPOS_UNDEFINED,
+				SCREEN_WIDTH,
+				SCREEN_HEIGHT,
+				SDL_WINDOWEVENT_SHOWN
+				);
+		if(window == NULL)
+		{
+			printf("Window could not be created! SDL_Error %s\n", SDL_GetError());
+		}
+		else
+		{
+			screenSurface = SDL_GetWindowSurface(window);
+
+			SDL_FillSurfaceRect(
+					screenSurface,
+					NULL,
+					SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF)
+					);
+
+			SDL_UpdateWindowSurface(window);
+
+			SDL_Event e;
+			bool quit = false;
+			while(quit == false)
+			{
+				while(SDL_PollEvent(&e))
+				{
+					if(e.type == SDL_QUIT)
+					{
+						quit = true;
+					}
+				}
+			}
+		}
+	}
+
+	SDL_DestroyWindow(window);
+
+	SDL_Quit();
+
+	printf("number: %d\n", add(1, 3));
+	printf("Hello World");
+
+	return 0;
+}