first commit

src/engine/keyboard.c

@@ -0,0 +1,32 @@
+#include "keyboard.h"
+
+void
+keyboard_update(Keyboard* self)
+{
+	const u8* state;
+
+	memcpy(&self->previous, &self->current, sizeof(u8) * KEYBOARD_KEY_COUNT);
+	memset(&self->current, '\0', sizeof(u8) * KEYBOARD_KEY_COUNT);
+
+	state = SDL_GetKeyboardState(NULL);
+
+	memcpy(&self->current, state, KEYBOARD_KEY_COUNT);
+}
+
+bool
+keyboard_press(Keyboard* self, KeyboardKeyType type)
+{
+	return (self->current[type] && !self->previous[type]);
+}
+
+bool
+keyboard_held(Keyboard* self, KeyboardKeyType type)
+{
+	return (self->current[type] && self->previous[type]);
+}
+
+bool
+keyboard_release(Keyboard* self, KeyboardKeyType type)
+{
+	return (!self->current[type] && self->previous[type]);
+}