Have the submodules working correctly.

client/glfwclient/glfwclient.h

@@ -0,0 +1,61 @@
+// Copyright (c) 2021 Dominic Msters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+#include <libs.h>
+#include <display/render.h>
+#include <game/game.h>
+#include <input/input.h>
+
+#define WINDOW_WIDTH_DEFAULT 1280
+#define WINDOW_HEIGHT_DEFAULT WINDOW_WIDTH_DEFAULT/16*9
+
+#define GLFW_PLATFORM_INPUT_MOUSE_X (inputsource_t)0xFF
+#define GLFW_PLATFORM_INPUT_MOUSE_Y (inputsource_t)0xFE
+
+/** The current running game state. */
+extern game_t *GAME_STATE;
+
+/** The GLFW Window Context Pointer */
+extern GLFWwindow *window;
+
+/**
+ * Entry of the program
+ * @return 0 if success, anything else for failure.
+ */
+int32_t main();
+
+/**
+ * Resize callbacks.
+ * 
+ * @param window Window that was resized.
+ * @param width New window width.
+ * @param height New window height.
+ */
+void glfwOnResize(GLFWwindow *window, int32_t width, int32_t height);
+
+/**
+ * Keyboard Input callbacks.
+ * 
+ * @param window Window that was resized.
+ */
+void glfwOnKey(GLFWwindow *window,
+  int32_t key, int32_t scancode, int32_t action, int32_t mods
+);
+
+
+void glfwOnError(int error, const char* description);
+void glfwOnCursor(GLFWwindow *window, double x, double y);
+
+
+/**
+ * Get the game engine specific input source for a given GLFW Key code.
+ * 
+ * @param key Key to get the input source for.
+ * @return The input source. 
+ */
+inputsource_t glfwGetInputSourceForKey(int32_t key);