Added day&night cycle. Also fixed world loading

src/helpers/vars.hpp

@@ -5,7 +5,6 @@
     #undef Escape
 #endif
 #include "glfw_keycodes_to_string.h"
-#include "../PerlinNoise.hpp"
 
 #ifdef WIN32
     #include "external/fix_win32_compatibility.h"
@@ -99,10 +98,10 @@
 #define GAME_VERSION_INT 0
 
 #define DEFAULT_FONT_SIZE 16
-#define TPS 30.0
+#define TPS 30
 #define TPS_DIV 1.0 / TPS
 //Rendering
-#define RENDER_DISTANCE 5
+#define RENDER_DISTANCE 16
 #define RENDER_DISTANCE_SQUARED RENDER_DISTANCE*RENDER_DISTANCE
 
 //Game stuff
@@ -115,6 +114,8 @@
 #define INVENTORY_HEIGHT 6
 #define INVENTORY_SIZE INVENTORY_WIDTH*INVENTORY_HEIGHT
 
+#define WORLD_TIME_SECONDS (24*60)
+#define WORLD_TIME_TICKS WORLD_TIME_SECONDS*TPS
 enum BlockType {
     B_Wood,
     B_Stone,