Core/Cells: Improve cell copy constructor and argument passing codegen (now fully done through a single register)

src/server/game/Grids/Cells/Cell.h

@@ -18,8 +18,6 @@
 #ifndef TRINITY_CELL_H
 #define TRINITY_CELL_H
 
-#include <cmath>
-
 #include "TypeContainer.h"
 #include "TypeContainerVisitor.h"
 
@@ -47,10 +45,9 @@ struct CellArea
 
 struct Cell
 {
-    Cell() { data.All = 0; }
-    Cell(Cell const& cell) { data.All = cell.data.All; }
+    Cell() : data() { }
     explicit Cell(CellCoord const& p);
-    explicit Cell(float x, float y);
+    explicit Cell(float x, float y) : Cell(Trinity::ComputeCellCoord(x, y)) { }
 
     void Compute(uint32 &x, uint32 &y) const
     {
@@ -84,24 +81,17 @@ struct Cell
             data.Part.grid_y * MAX_NUMBER_OF_CELLS+data.Part.cell_y);
     }
 
-    Cell& operator=(Cell const& cell)
-    {
-        this->data.All = cell.data.All;
-        return *this;
-    }
-
     bool operator == (Cell const& cell) const { return (data.All == cell.data.All); }
     bool operator != (Cell const& cell) const { return !operator == (cell); }
     union
     {
         struct
         {
-            unsigned grid_x : 8;
-            unsigned grid_y : 8;
-            unsigned cell_x : 8;
-            unsigned cell_y : 8;
-            unsigned nocreate : 8;
-            unsigned reserved : 24;
+            uint8 grid_x;
+            uint8 grid_y;
+            uint8 cell_x;
+            uint8 cell_y;
+            uint8 nocreate;
         } Part;
         uint64 All;
     } data;

src/server/game/Grids/Cells/CellImpl.h

@@ -24,25 +24,12 @@
 #include "Map.h"
 #include "Object.h"
 
-inline Cell::Cell(CellCoord const& p)
+inline Cell::Cell(CellCoord const& p) : data()
 {
     data.Part.grid_x = p.x_coord / MAX_NUMBER_OF_CELLS;
     data.Part.grid_y = p.y_coord / MAX_NUMBER_OF_CELLS;
     data.Part.cell_x = p.x_coord % MAX_NUMBER_OF_CELLS;
     data.Part.cell_y = p.y_coord % MAX_NUMBER_OF_CELLS;
-    data.Part.nocreate = 0;
-    data.Part.reserved = 0;
-}
-
-inline Cell::Cell(float x, float y)
-{
-    CellCoord p = Trinity::ComputeCellCoord(x, y);
-    data.Part.grid_x = p.x_coord / MAX_NUMBER_OF_CELLS;
-    data.Part.grid_y = p.y_coord / MAX_NUMBER_OF_CELLS;
-    data.Part.cell_x = p.x_coord % MAX_NUMBER_OF_CELLS;
-    data.Part.cell_y = p.y_coord % MAX_NUMBER_OF_CELLS;
-    data.Part.nocreate = 0;
-    data.Part.reserved = 0;
 }
 
 inline CellArea Cell::CalculateCellArea(float x, float y, float radius)