3 files changed, 193 insertions, 262 deletions

diff --git a/OpenSim/Region/CoreModules/World/Warp3DMap/TerrainSplat.cs b/OpenSim/Region/CoreModules/World/Warp3DMap/TerrainSplat.cs
index 622b16c..95fa567 100644
--- a/OpenSim/Region/CoreModules/World/Warp3DMap/TerrainSplat.cs
+++ b/OpenSim/Region/CoreModules/World/Warp3DMap/TerrainSplat.cs
@@ -83,7 +83,7 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
         public static Bitmap Splat(ITerrainChannel terrain,
                 UUID[] textureIDs, float[] startHeights, float[] heightRanges,
                 uint regionPositionX,uint regionPositionY,
-                IAssetService assetService, bool textureTerrain, bool averagetextureTerrain)
+                IAssetService assetService, bool textureTerrain, bool averagetextureTerrain, bool FlipedY)
         {
             Debug.Assert(textureIDs.Length == 4);
             Debug.Assert(startHeights.Length == 4);
@@ -294,38 +294,79 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
             //    pixel data directly
             if(usecolors)
             {
-                unsafe
+                if(FlipedY)
                 {
-                    for(int y = 0; y < 256; ++y)
+                    unsafe
                     {
-                        int ty = (int)((255 - y) * yFactor);
-                        byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride;
+                        for(int y = 0; y < 256; ++y)
+                        {
+                            int ty = (int)(y * yFactor);
+                            byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride;
+
+                            for(int x = 0; x < 256; ++x)
+                            {
+                                int tx = (int)(x * xFactor);
+                                float height = (float)terrain[tx, ty];
+                                float layer = getLayerTex(height, x, y,
+                                    (uint)tx + regionPositionX, (uint)ty + regionPositionY,
+                                    startHeights, heightRanges);
+
+                                // Select two textures
+                                int l0 = (int)layer;
+                                int l1 = Math.Min(l0 + 1, 3);
+
+                                float layerDiff = layer - l0;
+
+                                float a = mapColorsRed[l0];
+                                float b = mapColorsRed[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
+
+                                a = mapColorsGreen[l0];
+                                b = mapColorsGreen[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
 
-                        for(int x = 0; x < 256; ++x)
+                                a = mapColorsBlue[l0];
+                                b = mapColorsBlue[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    unsafe
+                    {
+                        for(int y = 0; y < 256; ++y)
                         {
-                            int tx = (int)(x * xFactor);
-                            float height = (float)terrain[tx, ty];
-                            float layer = getLayerTex(height, x, (255 - y),
-                                (uint)tx + regionPositionX, (uint)ty + regionPositionY,
-                                startHeights, heightRanges);
+                            int ty = (int)((255 - y) * yFactor);
+                            byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride;
 
-                            // Select two textures
-                            int l0 = (int)layer;
-                            int l1 = Math.Min(l0 + 1, 3);
+                            for(int x = 0; x < 256; ++x)
+                            {
+                                int tx = (int)(x * xFactor);
+                                float height = (float)terrain[tx, ty];
+                                float layer = getLayerTex(height, x, (255 - y),
+                                    (uint)tx + regionPositionX, (uint)ty + regionPositionY,
+                                    startHeights, heightRanges);
+
+                                // Select two textures
+                                int l0 = (int)layer;
+                                int l1 = Math.Min(l0 + 1, 3);
 
-                            float layerDiff = layer - l0;
+                                float layerDiff = layer - l0;
 
-                            float a = mapColorsRed[l0];
-                            float b = mapColorsRed[l1];
-                            *(ptrO++) = (byte)(a + layerDiff * (b - a));
+                                float a = mapColorsRed[l0];
+                                float b = mapColorsRed[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
 
-                            a = mapColorsGreen[l0];
-                            b = mapColorsGreen[l1];
-                            *(ptrO++) = (byte)(a + layerDiff * (b - a));
+                                a = mapColorsGreen[l0];
+                                b = mapColorsGreen[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
 
-                            a = mapColorsBlue[l0];
-                            b = mapColorsBlue[l1];
-                            *(ptrO++) = (byte)(a + layerDiff * (b - a));
+                                a = mapColorsBlue[l0];
+                                b = mapColorsBlue[l1];
+                                *(ptrO++) = (byte)(a + layerDiff * (b - a));
+                            }
                         }
                     }
                 }
@@ -343,42 +384,86 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
                     detailTexture[3].LockBits(new Rectangle(0, 0, 16, 16), ImageLockMode.ReadOnly, detailTexture[3].PixelFormat)
                     };
 
-                    for(int y = 0; y < 256; y++)
+                    if(FlipedY)
                     {
-                        int ty = (int)((255 - y) * yFactor);
-                        int ypatch = ((int)(y * yFactor) & 0x0f) * datas[0].Stride;
+                        for(int y = 0; y < 256; y++)
+                        {
+                            int ty = (int)(y * yFactor);
+                            int ypatch = ((int)(y * yFactor) & 0x0f) * datas[0].Stride;
 
-                        for(int x = 0; x < 256; x++)
+                            for(int x = 0; x < 256; x++)
+                            {
+                                int tx = (int)(x * xFactor);
+                                float height = (float)terrain[tx, ty];
+                                float layer = getLayerTex(height, x, y,
+                                    (uint)tx + regionPositionX, (uint)ty + regionPositionY,
+                                    startHeights, heightRanges);
+
+                                // Select two textures
+                                int l0 = (int)layer;
+                                int l1 = Math.Min(l0 + 1, 3);
+
+                                int patchOffset = (tx & 0x0f) * 3 + ypatch;
+                                byte* ptrA = (byte*)datas[l0].Scan0 + patchOffset;
+                                byte* ptrB = (byte*)datas[l1].Scan0 + patchOffset;
+                                byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride + x * 3;
+
+                                float aB = *(ptrA + 0);
+                                float aG = *(ptrA + 1);
+                                float aR = *(ptrA + 2);
+
+                                float bB = *(ptrB + 0);
+                                float bG = *(ptrB + 1);
+                                float bR = *(ptrB + 2);
+
+                                float layerDiff = layer - l0;
+
+                                // Interpolate between the two selected textures
+                                *(ptrO + 0) = (byte)(aB + layerDiff * (bB - aB));
+                                *(ptrO + 1) = (byte)(aG + layerDiff * (bG - aG));
+                                *(ptrO + 2) = (byte)(aR + layerDiff * (bR - aR));
+                            }
+                        }
+                    }
+                    else
+                    {
+                        for(int y = 0; y < 256; y++)
                         {
-                            int tx = (int)(x * xFactor);
-                            float height = (float)terrain[tx, ty];
-                            float layer = getLayerTex(height, x, (255 - y),
-                                (uint)tx + regionPositionX, (uint)ty + regionPositionY,
-                                startHeights, heightRanges);
-
-                            // Select two textures
-                            int l0 = (int)layer;
-                            int l1 = Math.Min(l0 + 1, 3);
-
-                            int patchOffset = (tx & 0x0f) * 3 + ypatch;
-                            byte* ptrA = (byte*)datas[l0].Scan0 + patchOffset;
-                            byte* ptrB = (byte*)datas[l1].Scan0 + patchOffset;
-                            byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride + x * 3;
-
-                            float aB = *(ptrA + 0);
-                            float aG = *(ptrA + 1);
-                            float aR = *(ptrA + 2);
-
-                            float bB = *(ptrB + 0);
-                            float bG = *(ptrB + 1);
-                            float bR = *(ptrB + 2);
-
-                            float layerDiff = layer - l0;
-
-                            // Interpolate between the two selected textures
-                            *(ptrO + 0) = (byte)(aB + layerDiff * (bB - aB));
-                            *(ptrO + 1) = (byte)(aG + layerDiff * (bG - aG));
-                            *(ptrO + 2) = (byte)(aR + layerDiff * (bR - aR));
+                            int ty = (int)((255 - y) * yFactor);
+                            int ypatch = ((int)(y * yFactor) & 0x0f) * datas[0].Stride;
+
+                            for(int x = 0; x < 256; x++)
+                            {
+                                int tx = (int)(x * xFactor);
+                                float height = (float)terrain[tx, ty];
+                                float layer = getLayerTex(height, x, (255 - y),
+                                    (uint)tx + regionPositionX, (uint)ty + regionPositionY,
+                                    startHeights, heightRanges);
+
+                                // Select two textures
+                                int l0 = (int)layer;
+                                int l1 = Math.Min(l0 + 1, 3);
+
+                                int patchOffset = (tx & 0x0f) * 3 + ypatch;
+                                byte* ptrA = (byte*)datas[l0].Scan0 + patchOffset;
+                                byte* ptrB = (byte*)datas[l1].Scan0 + patchOffset;
+                                byte* ptrO = (byte*)outputData.Scan0 + y * outputData.Stride + x * 3;
+
+                                float aB = *(ptrA + 0);
+                                float aG = *(ptrA + 1);
+                                float aR = *(ptrA + 2);
+
+                                float bB = *(ptrB + 0);
+                                float bG = *(ptrB + 1);
+                                float bR = *(ptrB + 2);
+
+                                float layerDiff = layer - l0;
+
+                                // Interpolate between the two selected textures
+                                *(ptrO + 0) = (byte)(aB + layerDiff * (bB - aB));
+                                *(ptrO + 1) = (byte)(aG + layerDiff * (bG - aG));
+                                *(ptrO + 2) = (byte)(aR + layerDiff * (bR - aR));
+                            }
                         }
                     }
 
@@ -420,6 +505,8 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
                 heightRanges[1], heightRanges[3],
                 pctX, pctY);
             heightRange = Utils.Clamp(heightRange, 0f, 255f);
+            if(heightRange == 0f)
+                return 0;
 
             // Generate two frequencies of perlin noise based on our global position
             // The magic values were taken from http://opensimulator.org/wiki/Terrain_Splatting
@@ -435,8 +522,6 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
 
             // Combine the current height, generated noise, start height, and height range parameters, then scale all of it
             float layer = ((height + noise - startHeight) / heightRange) * 4f;
-            if(Single.IsNaN(layer))
-                return 0;
             return Utils.Clamp(layer, 0f, 3f);
         }
     }
diff --git a/OpenSim/Region/CoreModules/World/Warp3DMap/Viewport.cs b/OpenSim/Region/CoreModules/World/Warp3DMap/Viewport.cs
deleted file mode 100644
index 5ea4d29..0000000
--- a/OpenSim/Region/CoreModules/World/Warp3DMap/Viewport.cs
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * 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.
- */
-
-using System;
-using System.Drawing;
-using OpenMetaverse;
-
-namespace OpenSim.Region.CoreModules.World.Warp3DMap
-{
-    public class Viewport
-    {
-        private const float DEG_TO_RAD = (float)Math.PI / 180f;
-        private static readonly Vector3 UP_DIRECTION = Vector3.UnitZ;
-
-        public Vector3 Position;
-        public Vector3 LookDirection;
-        public float FieldOfView;
-        public float NearPlaneDistance;
-        public float FarPlaneDistance;
-        public int Width;
-        public int Height;
-        public bool Orthographic;
-        public float OrthoWindowWidth;
-        public float OrthoWindowHeight;
-
-        public Viewport(Vector3 position, Vector3 lookDirection, float fieldOfView, float farPlaneDist, float nearPlaneDist, int width, int height)
-        {
-            // Perspective projection mode
-            Position = position;
-            LookDirection = lookDirection;
-            FieldOfView = fieldOfView;
-            FarPlaneDistance = farPlaneDist;
-            NearPlaneDistance = nearPlaneDist;
-            Width = width;
-            Height = height;
-            Orthographic = false;
-        }
-
-        public Viewport(Vector3 position, Vector3 lookDirection, float farPlaneDist, float nearPlaneDist, int width, int height, float orthoWindowWidth, float orthoWindowHeight)
-        {
-            // Orthographic projection mode
-            Position = position;
-            LookDirection = lookDirection;
-            FarPlaneDistance = farPlaneDist;
-            NearPlaneDistance = nearPlaneDist;
-            Width = width;
-            Height = height;
-            OrthoWindowWidth = orthoWindowWidth;
-            OrthoWindowHeight = orthoWindowHeight;
-            Orthographic = true;
-        }
-
-        public Point VectorToScreen(Vector3 v)
-        {
-            Matrix4 m = GetWorldToViewportMatrix();
-            Vector3 screenPoint = v * m;
-            return new Point((int)screenPoint.X, (int)screenPoint.Y);
-        }
-
-        public Matrix4 GetWorldToViewportMatrix()
-        {
-            Matrix4 result = GetViewMatrix();
-            result *= GetPerspectiveProjectionMatrix();
-            result *= GetViewportMatrix();
-
-            return result;
-        }
-
-        public Matrix4 GetViewMatrix()
-        {
-            Vector3 zAxis = -LookDirection;
-            zAxis.Normalize();
-
-            Vector3 xAxis = Vector3.Cross(UP_DIRECTION, zAxis);
-            xAxis.Normalize();
-
-            Vector3 yAxis = Vector3.Cross(zAxis, xAxis);
-
-            Vector3 position = Position;
-            float offsetX = -Vector3.Dot(xAxis, position);
-            float offsetY = -Vector3.Dot(yAxis, position);
-            float offsetZ = -Vector3.Dot(zAxis, position);
-
-            return new Matrix4(
-                xAxis.X, yAxis.X, zAxis.X, 0f,
-                xAxis.Y, yAxis.Y, zAxis.Y, 0f,
-                xAxis.Z, yAxis.Z, zAxis.Z, 0f,
-                offsetX, offsetY, offsetZ, 1f);
-        }
-
-        public Matrix4 GetPerspectiveProjectionMatrix()
-        {
-            float aspectRatio = (float)Width / (float)Height;
-
-            float hFoV = FieldOfView * DEG_TO_RAD;
-            float zn = NearPlaneDistance;
-            float zf = FarPlaneDistance;
-
-            float xScale = 1f / (float)Math.Tan(hFoV / 2f);
-            float yScale = aspectRatio * xScale;
-            float m33 = (zf == double.PositiveInfinity) ? -1 : (zf / (zn - zf));
-            float m43 = zn * m33;
-
-            return new Matrix4(
-                xScale, 0f, 0f, 0f,
-                0f, yScale, 0f, 0f,
-                0f, 0f, m33, -1f,
-                0f, 0f, m43, 0f);
-        }
-
-        public Matrix4 GetOrthographicProjectionMatrix(float aspectRatio)
-        {
-            float w = Width;
-            float h = Height;
-            float zn = NearPlaneDistance;
-            float zf = FarPlaneDistance;
-
-            float m33 = 1 / (zn - zf);
-            float m43 = zn * m33;
-
-            return new Matrix4(
-                2f / w, 0f, 0f, 0f,
-                0f, 2f / h, 0f, 0f,
-                0f, 0f, m33, 0f,
-                0f, 0f, m43, 1f);
-        }
-
-        public Matrix4 GetViewportMatrix()
-        {
-            float scaleX = (float)Width * 0.5f;
-            float scaleY = (float)Height * 0.5f;
-            float offsetX = 0f + scaleX;
-            float offsetY = 0f + scaleY;
-
-            return new Matrix4(
-                scaleX, 0f, 0f, 0f,
-                0f, -scaleY, 0f, 0f,
-                0f, 0f, 1f, 0f,
-                offsetX, offsetY, 0f, 1f);
-        }
-    }
-}
diff --git a/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs b/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
index b41a27c..b4659cc 100644
--- a/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
+++ b/OpenSim/Region/CoreModules/World/Warp3DMap/Warp3DImageModule.cs
@@ -156,65 +156,74 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
 
         #region IMapImageGenerator Members
 
+        private Vector3 cameraPos;
+        private Vector3 cameraDir;
+        private int viewWitdh = 256;
+        private int viewHeigth = 256;
+        private float fov;
+        private bool orto;
+
         public Bitmap CreateMapTile()
         {
-            /* this must be on all map, not just its image
-            if ((DateTime.Now - lastImageTime).TotalSeconds < 3600)
-            {
-                return (Bitmap)lastImage.Clone();
-            }
-            */
-
             List<string> renderers = RenderingLoader.ListRenderers(Util.ExecutingDirectory());
             if (renderers.Count > 0)
             {
                 m_primMesher = RenderingLoader.LoadRenderer(renderers[0]);
             }
 
-            Vector3 camPos = new Vector3(
+            cameraPos = new Vector3(
                             (m_scene.RegionInfo.RegionSizeX) * 0.5f,
                             (m_scene.RegionInfo.RegionSizeY) * 0.5f,
                             250f);
-            // Viewport viewing down onto the region
-            Viewport viewport = new Viewport(camPos, -Vector3.UnitZ, 1024f, 0.1f,
-                        (int)m_scene.RegionInfo.RegionSizeX, (int)m_scene.RegionInfo.RegionSizeY,
-                        (float)m_scene.RegionInfo.RegionSizeX, (float)m_scene.RegionInfo.RegionSizeY);
 
-            Bitmap tile = CreateMapTile(viewport);
+            cameraDir = -Vector3.UnitZ;
+            viewWitdh = (int)m_scene.RegionInfo.RegionSizeX;
+            viewHeigth = (int)m_scene.RegionInfo.RegionSizeY;
+            orto = true;
+
+            Bitmap tile = GenMapTile();
             m_primMesher = null;
             return tile;
-/*
-            lastImage = tile;
-            lastImageTime = DateTime.Now;
-            return (Bitmap)lastImage.Clone();
- */
         }
 
-        public Bitmap CreateViewImage(Vector3 camPos, Vector3 camDir, float fov, int width, int height, bool useTextures)
+        public Bitmap CreateViewImage(Vector3 camPos, Vector3 camDir, float pfov, int width, int height, bool useTextures)
         {
-            Viewport viewport = new Viewport(camPos, camDir, fov, Constants.RegionSize,  0.1f, width, height);
-            return CreateMapTile(viewport);
+            List<string> renderers = RenderingLoader.ListRenderers(Util.ExecutingDirectory());
+            if (renderers.Count > 0)
+            {
+                m_primMesher = RenderingLoader.LoadRenderer(renderers[0]);
+            }
+
+            cameraPos = camPos;
+            cameraDir = camDir;
+            viewWitdh = width;
+            viewHeigth = height;
+            fov = pfov;
+            orto = false;
+
+            Bitmap tile = GenMapTile();
+            m_primMesher = null;
+            return tile;
         }
 
-        public Bitmap CreateMapTile(Viewport viewport)
+        private Bitmap GenMapTile()
         {
             m_colors.Clear();
 
-            int width = viewport.Width;
-            int height = viewport.Height;
-
             WarpRenderer renderer = new WarpRenderer();
 
-            if(!renderer.CreateScene(width, height))
-                return new Bitmap(width,height);
+            if(!renderer.CreateScene(viewWitdh, viewHeigth))
+                return new Bitmap(viewWitdh, viewHeigth);
 
             #region Camera
 
-            warp_Vector pos = ConvertVector(viewport.Position);
-            warp_Vector lookat = warp_Vector.add(ConvertVector(viewport.Position), ConvertVector(viewport.LookDirection));
+            warp_Vector pos = ConvertVector(cameraPos);
+            warp_Vector lookat = warp_Vector.add(pos, ConvertVector(cameraDir));
 
- 
-            renderer.Scene.defaultCamera.setOrthographic(true, viewport.OrthoWindowWidth, viewport.OrthoWindowHeight);
+            if(orto)
+                renderer.Scene.defaultCamera.setOrthographic(true, viewWitdh, viewHeigth);
+            else
+               renderer.Scene.defaultCamera.setFov(fov);
  
             renderer.Scene.defaultCamera.setPos(pos);
             renderer.Scene.defaultCamera.lookAt(lookat);
@@ -234,7 +243,6 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
             renderer.Scene.destroy();
             renderer.Reset();
             renderer = null;
-            viewport = null;
 
             m_colors.Clear();
             GC.Collect();
@@ -303,28 +311,31 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
             npointsy++;
 
             // Create all the vertices for the terrain
+            // for texture fliped on Y
             warp_Object obj = new warp_Object();
             warp_Vector pos;
             float x, y;
+            float tv;
             for (y = 0; y < regionsy; y += diff)
             {
+                tv = y * invsy;
                 for (x = 0; x < regionsx; x += diff)
                 {
                     pos = ConvertVector(x , y , (float)terrain[(int)x, (int)y]);
-                    obj.addVertex(new warp_Vertex(pos, x *  invsx, 1.0f - y * invsy));
+                    obj.addVertex(new warp_Vertex(pos, x *  invsx, tv ));
                 }
                 pos = ConvertVector(x , y , (float)terrain[(int)(x - diff), (int)y]);
-                obj.addVertex(new warp_Vertex(pos, 1.0f, 1.0f - y * invsy));
+                obj.addVertex(new warp_Vertex(pos, 1.0f, tv));
             }
 
             int lastY = (int)(y - diff);
             for (x = 0; x < regionsx; x += diff)
             {
                 pos = ConvertVector(x , y , (float)terrain[(int)x, lastY]);
-                obj.addVertex(new warp_Vertex(pos, x *  invsx, 0f));
+                obj.addVertex(new warp_Vertex(pos, x *  invsx, 1.0f));
             }
             pos = ConvertVector(x , y , (float)terrain[(int)(x - diff), lastY]);
-            obj.addVertex(new warp_Vertex(pos, 1.0f, 0f));
+            obj.addVertex(new warp_Vertex(pos, 1.0f, 1.0f));
 
             // Now that we have all the vertices, make another pass and
             // create the list of triangle indices.
@@ -376,10 +387,11 @@ namespace OpenSim.Region.CoreModules.World.Warp3DMap
             Util.RegionHandleToWorldLoc(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
 
             warp_Texture texture;
+            // get texture fliped on Y
             using (Bitmap image = TerrainSplat.Splat(
                         terrain, textureIDs, startHeights, heightRanges,
                         m_scene.RegionInfo.WorldLocX, m_scene.RegionInfo.WorldLocY,
-                        m_scene.AssetService, m_textureTerrain, m_textureAvegareTerrain))
+                        m_scene.AssetService, m_textureTerrain, m_textureAvegareTerrain, true))
                 texture = new warp_Texture(image);
 
             warp_Material material = new warp_Material(texture);