Refactoring structs Part 1

src/engine/engine.c

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "engine.h"
+
+void engineInit(engine_t *engine, game_t *game) {
+  epochInit(&engine->time);
+  renderInit();
+  inputInit(&engine->input);
+}
+
+void engineUpdateStart(engine_t *engine, game_t *game, float delta) {
+  epochUpdate(&engine->time, delta);
+  inputUpdate(&engine->input);
+  renderFrameStart();
+}
+
+bool engineUpdateEnd(engine_t *engine, game_t *game) {
+  if(inputIsPressed(INPUT_NULL)) return false;
+  return true;
+}
+
+void engineDispose(engine_t *engine, game_t *game) {
+  inputDispose(&engine->input);
+  renderDispose();
+}

src/engine/engine.h

@@ -0,0 +1,46 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <dawn/dawn.h>
+#include "../input/input.h"
+#include "../epoch/epoch.h"
+#include "../display/render.h"
+
+/**
+ * Initializes the provided engine. This will initialize all of the various
+ * managers for the game to use.
+ * 
+ * @param engine Engine to initialize.
+ * @param game Game that intiialized this engine.
+ */
+void engineInit(engine_t *engine, game_t *game);// TODO: This needs to return valid state.
+
+/**
+ * Updates the given engine at the start of a frame.
+ * 
+ * @param engine Engine that is being updated
+ * @param game Game that initialized the engine update
+ * @param delta Delta tick provided by the game's platform.
+ */
+void engineUpdateStart(engine_t *engine, game_t *game, float delta);
+
+/**
+ * Updates the given engine at the end of a frame.
+ * 
+ * @param engine Engine to update.
+ * @param game Game that called this update.
+ */
+bool engineUpdateEnd(engine_t *engine, game_t *game);
+
+/**
+ * Cleanup the engine context.
+ * 
+ * @param engine Engine to clean up.
+ * @param game Game that initialized the cleanup.
+ */
+void engineDispose(engine_t *engine, game_t *game);