core: add several new files

Add several new files to the core subsystem. These files will be the
basic building blocks upon which the rest of the engine will sit atop
of. These files will be present in all builds, including headless and
platform builds.

Signed-off-by: Danny Holman <dholman@gymli.org>

2 files changed, 34 insertions, 13 deletions

diff --git a/include/rune/graphics.h b/include/rune/core/callbacks.h
index 8f10b4a..7367557 100644
--- a/include/rune/graphics.h
+++ b/include/rune/core/callbacks.h
@@ -19,20 +19,11 @@
  * 3. This notice may not be removed or altered from any source distribution.
  */
 
-#ifndef RUNE_GRAPHICS_H
-#define RUNE_GRAPHICS_H
+#ifndef RUNE_CALLBACKS_H
+#define RUNE_CALLBACKS_H
 
-#include <rune/types.h>
-#include <GLFW/glfw3.h>
+#include <rune/util/types.h>
 
-struct rune_window {
-        uint32_t winw;
-        uint32_t winh;
-        const char *wintitle;
-        GLFWwindow *window;
-};
-
-RAPI int rune_gfx_init(struct rune_window *window);
-RAPI void rune_gfx_quit(struct rune_window *window);
+RAPI void error_callback(int error, const char *desc);
 
 #endif
diff --git a/include/rune/core/init.h b/include/rune/core/init.h
new file mode 100644
index 0000000..3aef63c
--- /dev/null
+++ b/include/rune/core/init.h
@@ -0,0 +1,30 @@
+/*
+ * Rune Game Engine
+ * Copyright 2024 Danny Holman <dholman@gymli.org>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#ifndef RUNE_INIT_H
+#define RUNE_INIT_H
+
+#include <rune/util/types.h>
+
+RAPI struct rune_window* rune_init(uint32_t width, uint32_t height, const char *title);
+RAPI void rune_exit(void);
+
+#endif