1 files changed, 83 insertions, 63 deletions

diff --git a/OpenSim/Region/Physics/Meshing/SculptMesh.cs b/OpenSim/Region/Physics/Meshing/SculptMesh.cs
index 4dc6e2e..6aa8fe4 100644
--- a/OpenSim/Region/Physics/Meshing/SculptMesh.cs
+++ b/OpenSim/Region/Physics/Meshing/SculptMesh.cs
@@ -53,43 +53,6 @@ namespace PrimMesher
         public enum SculptType { sphere = 1, torus = 2, plane = 3, cylinder = 4 };
 
 #if SYSTEM_DRAWING
-        // private Bitmap ScaleImage(Bitmap srcImage, float scale)
-        // {
-        //     int sourceWidth = srcImage.Width;
-        //     int sourceHeight = srcImage.Height;
-        //     int sourceX = 0;
-        //     int sourceY = 0;
-
-        //     int destX = 0;
-        //     int destY = 0;
-        //     int destWidth = (int)(srcImage.Width * scale);
-        //     int destHeight = (int)(srcImage.Height * scale);
-
-        //     if (srcImage.PixelFormat == PixelFormat.Format32bppArgb)
-        //         for (int y = 0; y < srcImage.Height; y++)
-        //             for (int x = 0; x < srcImage.Width; x++)
-        //             {
-        //                 Color c = srcImage.GetPixel(x, y);
-        //                 srcImage.SetPixel(x, y, Color.FromArgb(255, c.R, c.G, c.B));
-        //             }
-
-        //     Bitmap scaledImage = new Bitmap(destWidth, destHeight,
-        //                              PixelFormat.Format24bppRgb);
-
-        //     scaledImage.SetResolution(96.0f, 96.0f);
-
-        //     Graphics grPhoto = Graphics.FromImage(scaledImage);
-        //     grPhoto.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
-
-        //     grPhoto.DrawImage(srcImage,
-        //         new Rectangle(destX, destY, destWidth, destHeight),
-        //         new Rectangle(sourceX, sourceY, sourceWidth, sourceHeight),
-        //         GraphicsUnit.Pixel);
-
-        //     grPhoto.Dispose();
-        //     return scaledImage;
-        // }
-
 
         public SculptMesh SculptMeshFromFile(string fileName, SculptType sculptType, int lod, bool viewerMode)
         {
@@ -99,6 +62,7 @@ namespace PrimMesher
             return sculptMesh;
         }
 
+
         public SculptMesh(string fileName, int sculptType, int lod, int viewerMode, int mirror, int invert)
         {
             Bitmap bitmap = (Bitmap)Bitmap.FromFile(fileName);
@@ -268,6 +232,11 @@ namespace PrimMesher
                         for (imageY = imageYStart; imageY < imageYEnd; imageY++)
                         {
                             Color c = bitmap.GetPixel(imageX, imageY);
+                            if (c.A != 255)
+                            {
+                                bitmap.SetPixel(imageX, imageY, Color.FromArgb(255, c.R, c.G, c.B));
+                                c = bitmap.GetPixel(imageX, imageY);
+                            }
                             rSum += c.R;
                             gSum += c.G;
                             bSum += c.B;
@@ -284,30 +253,53 @@ namespace PrimMesher
             return rows;
         }
 
-
-        void _SculptMesh(Bitmap sculptBitmap, SculptType sculptType, int lod, bool viewerMode, bool mirror, bool invert)
+        private List<List<Coord>> bitmap2CoordsSampled(Bitmap bitmap, int scale, bool mirror)
         {
-            coords = new List<Coord>();
-            faces = new List<Face>();
-            normals = new List<Coord>();
-            uvs = new List<UVCoord>();
+            int numRows = bitmap.Height / scale;
+            int numCols = bitmap.Width / scale;
+            List<List<Coord>> rows = new List<List<Coord>>(numRows);
 
-            sculptType = (SculptType)(((int)sculptType) & 0x07);
+            float pixScale = 1.0f / 256.0f;
 
-            if (mirror)
-                if (sculptType == SculptType.plane)
-                    invert = !invert;
+            int imageX, imageY = 0;
+
+            int rowNdx, colNdx;
+
+            for (rowNdx = 0; rowNdx <= numRows; rowNdx++)
+            {
+                List<Coord> row = new List<Coord>(numCols);
+                imageY = rowNdx * scale;
+                if (rowNdx == numRows) imageY--;
+                for (colNdx = 0; colNdx <= numCols; colNdx++)
+                {
+                    imageX = colNdx * scale;
+                    if (colNdx == numCols) imageX--;
 
-            float sourceScaleFactor = (float)(lod) / (float)Math.Sqrt(sculptBitmap.Width * sculptBitmap.Height);
+                    Color c = bitmap.GetPixel(imageX, imageY);
+                    if (c.A != 255)
+                    {
+                        bitmap.SetPixel(imageX, imageY, Color.FromArgb(255, c.R, c.G, c.B));
+                        c = bitmap.GetPixel(imageX, imageY);
+                    }
 
-            int scale = (int)(1.0f / sourceScaleFactor);
-            if (scale < 1) scale = 1;
+                    if (mirror)
+                        row.Add(new Coord(-(c.R * pixScale - 0.5f), c.G * pixScale - 0.5f, c.B * pixScale - 0.5f));
+                    else
+                        row.Add(new Coord(c.R * pixScale - 0.5f, c.G * pixScale - 0.5f, c.B * pixScale - 0.5f));
 
-            _SculptMesh(bitmap2Coords(sculptBitmap, scale, mirror), sculptType, viewerMode, mirror, invert);
+                }
+                rows.Add(row);
+            }
+            return rows;
         }
-#endif
 
 
+        void _SculptMesh(Bitmap sculptBitmap, SculptType sculptType, int lod, bool viewerMode, bool mirror, bool invert)
+        {
+            _SculptMesh(new SculptMap(sculptBitmap, lod).ToRows(mirror), sculptType, viewerMode, mirror, invert);
+        }
+#endif
+
         void _SculptMesh(List<List<Coord>> rows, SculptType sculptType, bool viewerMode, bool mirror, bool invert)
         {
             coords = new List<Coord>();
@@ -331,8 +323,18 @@ namespace PrimMesher
 
             if (sculptType != SculptType.plane)
             {
-                for (int rowNdx = 0; rowNdx < rows.Count; rowNdx++)
-                    rows[rowNdx].Add(rows[rowNdx][0]);
+                if (rows.Count % 2 == 0)
+                {
+                    for (int rowNdx = 0; rowNdx < rows.Count; rowNdx++)
+                        rows[rowNdx].Add(rows[rowNdx][0]);
+                }
+                else
+                {
+                    int lastIndex = rows[0].Count - 1;
+
+                    for (int i = 0; i < rows.Count; i++)
+                        rows[i][0] = rows[i][lastIndex];
+                }
             }
 
             Coord topPole = rows[0][width / 2];
@@ -340,23 +342,41 @@ namespace PrimMesher
 
             if (sculptType == SculptType.sphere)
             {
-                int count = rows[0].Count;
-                List<Coord> topPoleRow = new List<Coord>(count);
-                List<Coord> bottomPoleRow = new List<Coord>(count);
+                if (rows.Count % 2 == 0)
+                {
+                    int count = rows[0].Count;
+                    List<Coord> topPoleRow = new List<Coord>(count);
+                    List<Coord> bottomPoleRow = new List<Coord>(count);
 
-                for (int i = 0; i < count; i++)
+                    for (int i = 0; i < count; i++)
+                    {
+                        topPoleRow.Add(topPole);
+                        bottomPoleRow.Add(bottomPole);
+                    }
+                    rows.Insert(0, topPoleRow);
+                    rows.Add(bottomPoleRow);
+                }
+                else
                 {
-                    topPoleRow.Add(topPole);
-                    bottomPoleRow.Add(bottomPole);
+                    int count = rows[0].Count;
+
+                    List<Coord> topPoleRow = rows[0];
+                    List<Coord> bottomPoleRow = rows[rows.Count - 1];
+
+                    for (int i = 0; i < count; i++)
+                    {
+                        topPoleRow[i] = topPole;
+                        bottomPoleRow[i] = bottomPole;
+                    }
                 }
-                rows.Insert(0, topPoleRow);
-                rows.Add(bottomPoleRow);
             }
-            else if (sculptType == SculptType.torus)
+
+            if (sculptType == SculptType.torus)
                 rows.Add(rows[0]);
 
             int coordsDown = rows.Count;
             int coordsAcross = rows[0].Count;
+            int lastColumn = coordsAcross - 1;
 
             float widthUnit = 1.0f / (coordsAcross - 1);
             float heightUnit = 1.0f / (coordsDown - 1);