Allow the game to be run from any directory

.gitignore

@@ -1,14 +1,12 @@
-# Ignore Builds
-build/
+# Ignore Cmake build files
+.cache/
+.cmake/
+CMakeCache.txt
+CMakeFiles/
+Game
+Makefile
+cmake_install.cmake
+compile_commands.json
 
-# Ignore autoconf cruft for now
-Makefile.in
-aclocal.m4
-autom4te.cache/
-autoscan.log
-compile
-config.h.in
-configure
-depcomp
-install-sh
-missing
+# Ignore Cmake'd files
+src/helpers/RootDir.h

src/helpers/RootDir.h

@@ -1,2 +0,0 @@
-#pragma once
-#define ROOT_DIR "/"

src/helpers/RootDir.h.in

@@ -1,2 +1,2 @@
 #pragma once
-#define ROOT_DIR "@SMAKE_SOURCE_DIR@/"
+#define ROOT_DIR "@CMAKE_SOURCE_DIR@/"

src/main.cpp

@@ -16,6 +16,7 @@
 #include "ShaderLoader.h"
 // Camera
 #include "PlayerCamera.h"
+#include "helpers/RootDir.h"
 
 // Include error class
 #include "Error.h"
@@ -68,10 +69,8 @@ int main(int argc, char **argv) {
   // Create event handling struct
   SDL_Event input;
 
-  ShaderLoader shader("./data/shaders"
-                      "/vertex.glsl",
-                      "./data/shaders"
-                      "/fragment.glsl");
+  ShaderLoader shader(ROOT_DIR "data/shaders/vertex.glsl",
+                      ROOT_DIR "data/shaders/fragment.glsl");
 
   float vertices[] = {
       // positions        // texture Co-ords
@@ -126,8 +125,7 @@ int main(int argc, char **argv) {
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
   // Load texture image
-  SDL_Surface *image = IMG_Load("./data"
-                                "/container.jpg");
+  SDL_Surface *image = IMG_Load(ROOT_DIR "data/container.jpg");
   if (image == nullptr) {
     error.crash("SDL2_image was unable to load a texture", IMG_GetError());
   }