Setup library for actual use

CMakeLists.txt

@@ -2,11 +2,5 @@ cmake_minimum_required(VERSION 3.0)
 
 project(Hydrogen)
 
-find_package(SDL2 REQUIRED)
+add_subdirectory(lib)
-
+add_subdirectory(games)
-set(SOURCE
-    src/main.c)
-
-add_executable(Hydrogen ${SOURCE})
-target_include_directories(Hydrogen PRIVATE ${SDL2_INCLUDE_DIRS})
-target_link_libraries(Hydrogen PRIVATE ${SDL2_LIBRARIES})

games/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(example)

games/example/CMakeLists.txt

@@ -0,0 +1,6 @@
+set(SOURCE
+    src/main.c)
+
+add_executable(example ${SOURCE})
+target_include_directories(example PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_link_libraries(example PRIVATE Hydrogen)

games/example/src/main.c

@@ -0,0 +1,7 @@
+#include <hydrogen/hydrogen.h>
+
+int main(int argc, char **argv) {
+    test();
+    return 0;
+}
+

lib/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.0)
+
+project(Hydrogen)
+
+find_package(SDL2 REQUIRED)
+
+set(SOURCE
+    src/hydrogen.c)
+
+add_library(Hydrogen STATIC ${SOURCE})
+target_include_directories(Hydrogen PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
+target_include_directories(Hydrogen PRIVATE ${SDL2_INCLUDE_DIRS})
+target_link_libraries(Hydrogen PRIVATE ${SDL2_LIBRARIES})

lib/include/hydrogen/constants.h

@@ -0,0 +1,6 @@
+#ifndef HYDROGEN_CONSTANTS_H
+#define HYDROGEN_CONSTANTS_H
+
+// TODO: Put stuff here lol
+
+#endif//HYDROGEN_CONSTANTS_H

lib/include/hydrogen/hydrogen.h

@@ -0,0 +1,36 @@
+#ifndef HYDROGEN_MAIN_INC_H
+#define HYDROGEN_MAIN_INC_H
+
+#include <stdio.h>
+#include <stdint.h>
+
+extern unsigned int HYDROGEN_VERSION_MAJOR;
+extern unsigned int HYDROGEN_VERSION_MINOR;
+extern unsigned int HYDROGEN_VERSION_PATCH;
+
+#include<hydrogen/constants.h>
+
+/* Common Typedefs using Rust idioms because why not? */
+typedef uint_least8_t u8;
+typedef uint_least16_t u16;
+typedef uint_least32_t u32;
+typedef uint_least64_t u64;
+typedef int_least8_t i8;
+typedef int_least16_t i16;
+typedef int_least32_t i32;
+typedef int_least64_t i64;
+typedef size_t usize;
+
+typedef float f32;
+typedef double f64;
+
+#ifdef HYDROGEN_REAL_FLOAT
+    typedef f32 real;
+#else
+    typedef f64 real;
+#endif
+
+void test();
+
+
+#endif//HYDROGEN_MAIN_INC_H

lib/src/hydrogen.c

@@ -0,0 +1,9 @@
+#include <hydrogen/hydrogen.h>
+
+unsigned int HYDROGEN_VERSION_MAJOR = 0;
+unsigned int HYDROGEN_VERSION_MINOR = 1;
+unsigned int HYDROGEN_VERSION_PATCH = 0;
+
+void test() {
+    puts("This is a test.");
+}

src/main.c

@@ -1,27 +0,0 @@
-#include "SDL.h"
-
-int main(int argc, char *argv[])
-{
-  SDL_Init(SDL_INIT_VIDEO);
-
-  SDL_Window *window = SDL_CreateWindow(
-    "SDL2Test",
-    SDL_WINDOWPOS_UNDEFINED,
-    SDL_WINDOWPOS_UNDEFINED,
-    640,
-    480,
-    0
-  );
-
-  SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
-  SDL_SetRenderDrawColor(renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
-  SDL_RenderClear(renderer);
-  SDL_RenderPresent(renderer);
-
-  SDL_Delay(3000);
-
-  SDL_DestroyWindow(window);
-  SDL_Quit();
-
-  return 0;
-}