Split MapBlock's header and implementation

MapBlock.cpp

@@ -0,0 +1,67 @@
+#include "MapBlock.h"
+
+
+
+int mapBlock[65536];
+
+MapBlock::MapBlock()
+{
+
+}
+
+// TODO; Make this function work with global coordinates and move it to BlockManager
+void MapBlock::addNode(int id, int meta, int x, int y, int z)
+{
+    mapBlock[256 * y + z * 16 + x] = id;
+}
+
+
+
+
+MapBlock mapBlocks[16][16];
+
+BlockManager::BlockManager()
+{
+
+}
+
+int BlockManager::getNodeAt(int x, int y, int z)
+{
+    // Math explanation for future reference:
+    // The x and z coordinates need to be have block.[AXIS] * 16 subtracted from them
+    // so that the coordinates passed to the function are local block coordinates instead
+    // of global node coordinates (e.g. 1, and not 17)
+
+    if(x < 0 || y < 0 || z < 0)
+    {
+        return 0;
+    }
+
+    Position2D block = BlockUtilities::getBlockFromNodeCoordinates(x, z);
+
+    int localX = x - block.x * 16;
+    int localZ = z - block.z * 16;
+
+    return mapBlocks[block.x][block.z].mapBlock[256 * y + localZ * 16 + localX];
+}
+
+bool BlockManager::isAir(int x, int y, int z)
+{
+    return getNodeAt(x, y, z) == 0;
+}
+
+
+
+
+BlockUtilities::BlockUtilities()
+{
+
+}
+
+Position2D BlockUtilities::getBlockFromNodeCoordinates(int x, int z)
+{
+    Position2D pos2d;
+    pos2d.x = floor(x / 16);
+    pos2d.z = floor(z / 16);
+    return pos2d;
+}