(svn r21600) -Codechange: Remove new_drawstyle and new_diagonal variables from the _thd structure.

2 files changed, 17 insertions, 19 deletions

diff --git a/src/tilehighlight_type.h b/src/tilehighlight_type.h
index 6e9e9b6a3..b61dda3c5 100644
--- a/src/tilehighlight_type.h
+++ b/src/tilehighlight_type.h
@@ -54,7 +54,6 @@ struct TileHighlightData {
 	Point new_pos;       ///< New value for \a pos; used to determine whether to redraw the selection.
 	Point new_size;      ///< New value for \a size; used to determine whether to redraw the selection.
 	Point new_outersize; ///< New value for \a outersize; used to determine whether to redraw the selection.
-	bool new_diagonal;   ///< New value for \a diagonal; used to determine whether to redraw the selection.
 	byte dirty;          ///< Whether the build station window needs to redraw due to the changed selection.
 
 	Point selstart;      ///< The location where the dragging started.
@@ -62,7 +61,6 @@ struct TileHighlightData {
 	byte sizelimit;      ///< Whether the selection is limited in length, and what the maximum length is.
 
 	HighLightStyle drawstyle;      ///< Lower bits 0-3 are reserved for detailed highlight information.
-	HighLightStyle new_drawstyle;  ///< New value for \a drawstyle; used to determine whether to redraw the selection.
 	HighLightStyle next_drawstyle; ///< Queued, but not yet drawn style.
 
 	HighLightStyle place_mode;     ///< Method which is used to place the selection.
diff --git a/src/viewport.cpp b/src/viewport.cpp
index 14dfbc3e7..7ededa223 100644
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -2037,8 +2037,8 @@ void UpdateTileSelection()
 	int x1;
 	int y1;
 
-	_thd.new_drawstyle = HT_NONE;
-	_thd.new_diagonal = false;
+	HighLightStyle new_drawstyle = HT_NONE;
+	bool new_diagonal = false;
 
 	if (_thd.place_mode == HT_SPECIAL) {
 		x1 = _thd.selend.x;
@@ -2050,7 +2050,7 @@ void UpdateTileSelection()
 			y1 &= ~TILE_UNIT_MASK;
 
 			if (IsDraggingDiagonal()) {
-				_thd.new_diagonal = true;
+				new_diagonal = true;
 			} else {
 				if (x1 >= x2) Swap(x1, x2);
 				if (y1 >= y2) Swap(y1, y2);
@@ -2059,11 +2059,11 @@ void UpdateTileSelection()
 			_thd.new_pos.y = y1;
 			_thd.new_size.x = x2 - x1;
 			_thd.new_size.y = y2 - y1;
-			if (!_thd.new_diagonal) {
+			if (!new_diagonal) {
 				_thd.new_size.x += TILE_SIZE;
 				_thd.new_size.y += TILE_SIZE;
 			}
-			_thd.new_drawstyle = _thd.next_drawstyle;
+			new_drawstyle = _thd.next_drawstyle;
 		}
 	} else if ((_thd.place_mode & HT_DRAG_MASK) != HT_NONE) {
 		Point pt = GetTileBelowCursor();
@@ -2072,30 +2072,30 @@ void UpdateTileSelection()
 		if (x1 != -1) {
 			switch (_thd.place_mode & HT_DRAG_MASK) {
 				case HT_RECT:
-					_thd.new_drawstyle = HT_RECT;
+					new_drawstyle = HT_RECT;
 					break;
 				case HT_POINT:
-					_thd.new_drawstyle = HT_POINT;
+					new_drawstyle = HT_POINT;
 					x1 += TILE_SIZE / 2;
 					y1 += TILE_SIZE / 2;
 					break;
 				case HT_RAIL:
 					/* Draw one highlighted tile in any direction */
-					_thd.new_drawstyle = GetAutorailHT(pt.x, pt.y);
+					new_drawstyle = GetAutorailHT(pt.x, pt.y);
 					break;
 				case HT_LINE:
 					switch (_thd.place_mode & HT_DIR_MASK) {
-						case HT_DIR_X: _thd.new_drawstyle = HT_LINE | HT_DIR_X; break;
-						case HT_DIR_Y: _thd.new_drawstyle = HT_LINE | HT_DIR_Y; break;
+						case HT_DIR_X: new_drawstyle = HT_LINE | HT_DIR_X; break;
+						case HT_DIR_Y: new_drawstyle = HT_LINE | HT_DIR_Y; break;
 
 						case HT_DIR_HU:
 						case HT_DIR_HL:
-							_thd.new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
+							new_drawstyle = (pt.x & TILE_UNIT_MASK) + (pt.y & TILE_UNIT_MASK) <= TILE_SIZE ? HT_LINE | HT_DIR_HU : HT_LINE | HT_DIR_HL;
 							break;
 
 						case HT_DIR_VL:
 						case HT_DIR_VR:
-							_thd.new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
+							new_drawstyle = (pt.x & TILE_UNIT_MASK) > (pt.y & TILE_UNIT_MASK) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
 							break;
 
 						default: NOT_REACHED();
@@ -2113,24 +2113,24 @@ void UpdateTileSelection()
 	}
 
 	/* redraw selection */
-	if (_thd.drawstyle != _thd.new_drawstyle ||
+	if (_thd.drawstyle != new_drawstyle ||
 			_thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
 			_thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
 			_thd.outersize.x != _thd.new_outersize.x ||
 			_thd.outersize.y != _thd.new_outersize.y ||
-			_thd.diagonal    != _thd.new_diagonal) {
+			_thd.diagonal    != new_diagonal) {
 		/* clear the old selection? */
 		if (_thd.drawstyle) SetSelectionTilesDirty();
 
-		_thd.drawstyle = _thd.new_drawstyle;
+		_thd.drawstyle = new_drawstyle;
 		_thd.pos = _thd.new_pos;
 		_thd.size = _thd.new_size;
 		_thd.outersize = _thd.new_outersize;
-		_thd.diagonal = _thd.new_diagonal;
+		_thd.diagonal = new_diagonal;
 		_thd.dirty = 0xff;
 
 		/* draw the new selection? */
-		if (_thd.new_drawstyle) SetSelectionTilesDirty();
+		if (new_drawstyle != HT_NONE) SetSelectionTilesDirty();
 	}
 }