Merge pull request #155 from Kai-Z-JP/fix-rail-block-height

[Fix] Incorrect the height of the block where branch rails with different elevations

src/main/java/jp/ngt/rtm/rail/TileEntityLargeRailBase.java

@@ -211,7 +211,7 @@ private float[] getBlockHeights(int x, int y, int z, float defaultHeight) {
                     //レールYawに対するベクトル角により左右位置を判断
                     boolean dirFlag = MathHelper.wrapAngleTo180_float(yaw2 - yaw) > 0.0F;
                     double h2 = NGTMath.sin(cant) * len * (dirFlag ? -1.0F : 1.0F);
-                    fa[i] += (float) (height - (double) y + h2 - 0.0625);
+                    fa[i] = (float) (height - (double) y + h2 + defaultHeight - 0.0625);
                 }
             }
         }