From 41a0c850f887d72ff64e9e616ea4bda25fd85de7 Mon Sep 17 00:00:00 2001 From: UbitUmarov Date: Sat, 17 Mar 2012 09:27:56 +0000 Subject: added a new UbitMeshing module so i can mess it... --- OpenSim/Region/Physics/UbitMeshing/SculptMap.cs | 197 ++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 OpenSim/Region/Physics/UbitMeshing/SculptMap.cs (limited to 'OpenSim/Region/Physics/UbitMeshing/SculptMap.cs') diff --git a/OpenSim/Region/Physics/UbitMeshing/SculptMap.cs b/OpenSim/Region/Physics/UbitMeshing/SculptMap.cs new file mode 100644 index 0000000..b3d9cb6 --- /dev/null +++ b/OpenSim/Region/Physics/UbitMeshing/SculptMap.cs @@ -0,0 +1,197 @@ +/* + * Copyright (c) Contributors + * See CONTRIBUTORS.TXT for a full list of copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the OpenSimulator Project nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +// to build without references to System.Drawing, comment this out +#define SYSTEM_DRAWING + +using System; +using System.Collections.Generic; +using System.Text; + +#if SYSTEM_DRAWING +using System.Drawing; +using System.Drawing.Imaging; + +namespace PrimMesher +{ + public class SculptMap + { + public int width; + public int height; + public byte[] redBytes; + public byte[] greenBytes; + public byte[] blueBytes; + + public SculptMap() + { + } + + public SculptMap(Bitmap bm, int lod) + { + int bmW = bm.Width; + int bmH = bm.Height; + + if (bmW == 0 || bmH == 0) + throw new Exception("SculptMap: bitmap has no data"); + + int numLodPixels = lod * lod; // (32 * 2)^2 = 64^2 pixels for default sculpt map image + + bool smallMap = bmW * bmH <= numLodPixels; + bool needsScaling = false; + + width = bmW; + height = bmH; + while (width * height > numLodPixels * 4) + { + width >>= 1; + height >>= 1; + needsScaling = true; + } + + try + { + if (needsScaling) + bm = ScaleImage(bm, width, height); + } + + catch (Exception e) + { + throw new Exception("Exception in ScaleImage(): e: " + e.ToString()); + } + + if (width * height > numLodPixels) + { + width >>= 1; + height >>= 1; + } + + int numBytes = (width + 1) * (height + 1); + redBytes = new byte[numBytes]; + greenBytes = new byte[numBytes]; + blueBytes = new byte[numBytes]; + + int byteNdx = 0; + + try + { + for (int y = 0; y <= height; y++) + { + for (int x = 0; x <= width; x++) + { + Color c; + + if (smallMap) + c = bm.GetPixel(x < width ? x : x - 1, + y < height ? y : y - 1); + else + c = bm.GetPixel(x < width ? x * 2 : x * 2 - 1, + y < height ? y * 2 : y * 2 - 1); + + redBytes[byteNdx] = c.R; + greenBytes[byteNdx] = c.G; + blueBytes[byteNdx] = c.B; + + ++byteNdx; + } + } + } + catch (Exception e) + { + throw new Exception("Caught exception processing byte arrays in SculptMap(): e: " + e.ToString()); + } + + width++; + height++; + } + + public List> ToRows(bool mirror) + { + int numRows = height; + int numCols = width; + + List> rows = new List>(numRows); + + float pixScale = 1.0f / 255; + + int rowNdx, colNdx; + int smNdx = 0; + + + for (rowNdx = 0; rowNdx < numRows; rowNdx++) + { + List row = new List(numCols); + for (colNdx = 0; colNdx < numCols; colNdx++) + { + + if (mirror) + row.Add(new Coord(-((float)redBytes[smNdx] * pixScale - 0.5f), ((float)greenBytes[smNdx] * pixScale - 0.5f), (float)blueBytes[smNdx] * pixScale - 0.5f)); + else + row.Add(new Coord((float)redBytes[smNdx] * pixScale - 0.5f, (float)greenBytes[smNdx] * pixScale - 0.5f, (float)blueBytes[smNdx] * pixScale - 0.5f)); + + ++smNdx; + } + rows.Add(row); + } + return rows; + } + + private Bitmap ScaleImage(Bitmap srcImage, int destWidth, int destHeight) + { + + Bitmap scaledImage = new Bitmap(destWidth, destHeight, PixelFormat.Format24bppRgb); + + Color c; + float xscale = srcImage.Width / destWidth; + float yscale = srcImage.Height / destHeight; + + float sy = 0.5f; + for (int y = 0; y < destHeight; y++) + { + float sx = 0.5f; + for (int x = 0; x < destWidth; x++) + { + try + { + c = srcImage.GetPixel((int)(sx), (int)(sy)); + scaledImage.SetPixel(x, y, Color.FromArgb(c.R, c.G, c.B)); + } + catch (IndexOutOfRangeException) + { + } + + sx += xscale; + } + sy += yscale; + } + srcImage.Dispose(); + return scaledImage; + } + + } + + } +#endif -- cgit v1.1