private void CreateTerrain(WarpRenderer renderer, bool textureTerrain)
{
ITerrainChannel terrain = m_scene.Heightmap;
float[] heightmap = terrain.GetFloatsSerialised();
warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
int v = y * 256 + x;
float height = heightmap[v];
warp_Vector pos = ConvertVector(new Vector3(x, y, height));
obj.addVertex(new warp_Vertex(pos, (float)x / 255f, (float)(255 - y) / 255f));
}
}
for (int y = 0; y < 256; y++)
{
for (int x = 0; x < 256; x++)
{
if (x < 255 && y < 255)
{
int v = y * 256 + x;
// Normal
Vector3 v1 = new Vector3(x, y, heightmap[y * 256 + x]);
Vector3 v2 = new Vector3(x + 1, y, heightmap[y * 256 + x + 1]);
Vector3 v3 = new Vector3(x, y + 1, heightmap[(y + 1) * 256 + x]);
warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
norm = norm.reverse();
obj.vertex(v).n = norm;
// Triangle 1
obj.addTriangle(
v,
v + 1,
v + 256);
// Triangle 2
obj.addTriangle(
v + 256 + 1,
v + 256,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
textureIDs[0] = regionInfo.TerrainTexture1;
textureIDs[1] = regionInfo.TerrainTexture2;
textureIDs[2] = regionInfo.TerrainTexture3;
textureIDs[3] = regionInfo.TerrainTexture4;
startHeights[0] = (float)regionInfo.Elevation1SW;
startHeights[1] = (float)regionInfo.Elevation1NW;
startHeights[2] = (float)regionInfo.Elevation1SE;
startHeights[3] = (float)regionInfo.Elevation1NE;
heightRanges[0] = (float)regionInfo.Elevation2SW;
heightRanges[1] = (float)regionInfo.Elevation2NW;
heightRanges[2] = (float)regionInfo.Elevation2SE;
heightRanges[3] = (float)regionInfo.Elevation2NE;
uint globalX, globalY;
Utils.LongToUInts(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
warp_Texture texture;
using (
Bitmap image
= TerrainSplat.Splat(
heightmap, textureIDs, startHeights, heightRanges,
new Vector3d(globalX, globalY, 0.0), m_scene.AssetService, textureTerrain))
{
texture = new warp_Texture(image);
}
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.Scene.material("TerrainColor").setReflectivity(0); // reduces tile seams a bit thanks lkalif
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}
// Add a terrain to the renderer.
// Note that we create a 'low resolution' 256x256 vertex terrain rather than trying for
// full resolution. This saves a lot of memory especially for very large regions.
private void CreateTerrain(WarpRenderer renderer, bool textureTerrain)
{
ITerrainChannel terrain = m_scene.Heightmap;
float regionsx = m_scene.RegionInfo.RegionSizeX;
float regionsy = m_scene.RegionInfo.RegionSizeY;
// 'diff' is the difference in scale between the real region size and the size of terrain we're buiding
float diff = regionsx / 256f;
int npointsx = (int)(regionsx / diff);
int npointsy = (int)(regionsy / diff);
float invsx = 1.0f / regionsx;
float invsy = 1.0f / (float)m_scene.RegionInfo.RegionSizeY;
// Create all the vertices for the terrain
warp_Object obj = new warp_Object();
for (float y = 0; y < regionsy; y += diff)
{
for (float x = 0; x < regionsx; x += diff)
{
warp_Vector pos = ConvertVector(x, y, (float)terrain[(int)x, (int)y]);
obj.addVertex(new warp_Vertex(pos, x * invsx, 1.0f - y * invsy));
}
}
// Now that we have all the vertices, make another pass and
// create the list of triangle indices.
float invdiff = 1.0f / diff;
int limx = npointsx - 1;
int limy = npointsy - 1;
for (float y = 0; y < regionsy; y += diff)
{
for (float x = 0; x < regionsx; x += diff)
{
float newX = x * invdiff;
float newY = y * invdiff;
if (newX < limx && newY < limy)
{
int v = (int)newY * npointsx + (int)newX;
// Make two triangles for each of the squares in the grid of vertices
obj.addTriangle(
v,
v + 1,
v + npointsx);
obj.addTriangle(
v + npointsx + 1,
v + npointsx,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
OpenSim.Framework.RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
textureIDs[0] = regionInfo.TerrainTexture1;
textureIDs[1] = regionInfo.TerrainTexture2;
textureIDs[2] = regionInfo.TerrainTexture3;
textureIDs[3] = regionInfo.TerrainTexture4;
startHeights[0] = (float)regionInfo.Elevation1SW;
startHeights[1] = (float)regionInfo.Elevation1NW;
startHeights[2] = (float)regionInfo.Elevation1SE;
startHeights[3] = (float)regionInfo.Elevation1NE;
heightRanges[0] = (float)regionInfo.Elevation2SW;
heightRanges[1] = (float)regionInfo.Elevation2NW;
heightRanges[2] = (float)regionInfo.Elevation2SE;
heightRanges[3] = (float)regionInfo.Elevation2NE;
uint globalX, globalY;
Util.RegionHandleToWorldLoc(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
warp_Texture texture;
using (Bitmap image = TerrainSplat.Splat(
terrain, textureIDs, startHeights, heightRanges,
new Vector3d(globalX, globalY, 0.0), m_scene.AssetService, textureTerrain))
texture = new warp_Texture(image);
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.Scene.material("TerrainColor").setReflectivity(0); // reduces tile seams a bit thanks lkalif
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}
// Add a terrain to the renderer.
// Note that we create a 'low resolution' 257x257 vertex terrain rather than trying for
// full resolution. This saves a lot of memory especially for very large regions.
private void CreateTerrain(WarpRenderer renderer)
{
ITerrainChannel terrain = m_scene.Heightmap;
float regionsx = m_scene.RegionInfo.RegionSizeX;
float regionsy = m_scene.RegionInfo.RegionSizeY;
// 'diff' is the difference in scale between the real region size and the size of terrain we're buiding
int bitWidth;
int bitHeight;
const double log2inv = 1.4426950408889634073599246810019;
bitWidth = (int)Math.Ceiling((Math.Log(terrain.Width) * log2inv));
bitHeight = (int)Math.Ceiling((Math.Log(terrain.Height) * log2inv));
if (bitWidth > 8) // more than 256 is very heavy :(
{
bitWidth = 8;
}
if (bitHeight > 8)
{
bitHeight = 8;
}
int twidth = (int)Math.Pow(2, bitWidth);
int theight = (int)Math.Pow(2, bitHeight);
float diff = regionsx / twidth;
int npointsx = (int)(regionsx / diff);
int npointsy = (int)(regionsy / diff);
float invsx = 1.0f / (npointsx * diff);
float invsy = 1.0f / (npointsy * diff);
npointsx++;
npointsy++;
// Create all the vertices for the terrain
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, tv));
}
pos = ConvertVector(x, y, (float)terrain[(int)(x - diff), (int)y]);
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, 1.0f));
}
pos = ConvertVector(x, y, (float)terrain[(int)(x - diff), lastY]);
obj.addVertex(new warp_Vertex(pos, 1.0f, 1.0f));
// create triangles.
int limx = npointsx - 1;
int limy = npointsy - 1;
for (int j = 0; j < limy; j++)
{
for (int i = 0; i < limx; i++)
{
int v = j * npointsx + i;
// Make two triangles for each of the squares in the grid of vertices
obj.addTriangle(
v,
v + 1,
v + npointsx);
obj.addTriangle(
v + npointsx + 1,
v + npointsx,
v + 1);
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
OpenSim.Framework.RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
textureIDs[0] = regionInfo.TerrainTexture1;
textureIDs[1] = regionInfo.TerrainTexture2;
textureIDs[2] = regionInfo.TerrainTexture3;
textureIDs[3] = regionInfo.TerrainTexture4;
startHeights[0] = (float)regionInfo.Elevation1SW;
startHeights[1] = (float)regionInfo.Elevation1NW;
startHeights[2] = (float)regionInfo.Elevation1SE;
startHeights[3] = (float)regionInfo.Elevation1NE;
heightRanges[0] = (float)regionInfo.Elevation2SW;
heightRanges[1] = (float)regionInfo.Elevation2NW;
heightRanges[2] = (float)regionInfo.Elevation2SE;
heightRanges[3] = (float)regionInfo.Elevation2NE;
warp_Texture texture;
using (Bitmap image = TerrainSplat.Splat(terrain, textureIDs, startHeights, heightRanges,
m_scene.RegionInfo.WorldLocX, m_scene.RegionInfo.WorldLocY,
m_scene.AssetService, m_imgDecoder, m_textureTerrain, m_textureAverageTerrain,
twidth, twidth))
texture = new warp_Texture(image);
warp_Material material = new warp_Material(texture);
renderer.Scene.addMaterial("TerrainMat", material);
renderer.SetObjectMaterial("Terrain", "TerrainMat");
}
// Add a terrain to the renderer.
// Note that we create a 'low resolution' 256x256 vertex terrain rather than trying for
// full resolution. This saves a lot of memory especially for very large regions.
private void CreateTerrain(WarpRenderer renderer, bool textureTerrain)
{
ITerrainChannel terrain = m_scene.Heightmap;
// 'diff' is the difference in scale between the real region size and the size of terrain we're buiding
float diff = (float)m_scene.RegionInfo.RegionSizeX / 256f;
warp_Object obj = new warp_Object(256 * 256, 255 * 255 * 2);
// Create all the vertices for the terrain
for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diff)
{
for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diff)
{
warp_Vector pos = ConvertVector(x, y, (float)terrain[(int)x, (int)y]);
obj.addVertex(new warp_Vertex(pos,
x / (float)m_scene.RegionInfo.RegionSizeX,
(((float)m_scene.RegionInfo.RegionSizeY) - y) / m_scene.RegionInfo.RegionSizeY));
}
}
// Now that we have all the vertices, make another pass and create
// the normals for each of the surface triangles and
// create the list of triangle indices.
for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diff)
{
for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diff)
{
float newX = x / diff;
float newY = y / diff;
if (newX < 255 && newY < 255)
{
int v = (int)newY * 256 + (int)newX;
// Normal for a triangle made up of three adjacent vertices
Vector3 v1 = new Vector3(newX, newY, (float)terrain[(int)x, (int)y]);
Vector3 v2 = new Vector3(newX + 1, newY, (float)terrain[(int)(x + 1), (int)y]);
Vector3 v3 = new Vector3(newX, newY + 1, (float)terrain[(int)x, ((int)(y + 1))]);
warp_Vector norm = ConvertVector(SurfaceNormal(v1, v2, v3));
norm = norm.reverse();
obj.vertex(v).n = norm;
// Make two triangles for each of the squares in the grid of vertices
obj.addTriangle(
v,
v + 1,
v + 256);
obj.addTriangle(
v + 256 + 1,
v + 256,
v + 1);
}
}
}
renderer.Scene.addObject("Terrain", obj);
UUID[] textureIDs = new UUID[4];
float[] startHeights = new float[4];
float[] heightRanges = new float[4];
OpenSim.Framework.RegionSettings regionInfo = m_scene.RegionInfo.RegionSettings;
textureIDs[0] = regionInfo.TerrainTexture1;
textureIDs[1] = regionInfo.TerrainTexture2;
textureIDs[2] = regionInfo.TerrainTexture3;
textureIDs[3] = regionInfo.TerrainTexture4;
startHeights[0] = (float)regionInfo.Elevation1SW;
startHeights[1] = (float)regionInfo.Elevation1NW;
startHeights[2] = (float)regionInfo.Elevation1SE;
startHeights[3] = (float)regionInfo.Elevation1NE;
heightRanges[0] = (float)regionInfo.Elevation2SW;
heightRanges[1] = (float)regionInfo.Elevation2NW;
heightRanges[2] = (float)regionInfo.Elevation2SE;
heightRanges[3] = (float)regionInfo.Elevation2NE;
uint globalX, globalY;
Util.RegionHandleToWorldLoc(m_scene.RegionInfo.RegionHandle, out globalX, out globalY);
warp_Texture texture;
using (
Bitmap image
= TerrainSplat.Splat(terrain, textureIDs, startHeights, heightRanges,
new Vector3d(globalX, globalY, 0.0), m_scene.AssetService, textureTerrain))
{
texture = new warp_Texture(image);
}
warp_Material material = new warp_Material(texture);
material.setReflectivity(50);
renderer.Scene.addMaterial("TerrainColor", material);
renderer.Scene.material("TerrainColor").setReflectivity(0); // reduces tile seams a bit thanks lkalif
renderer.SetObjectMaterial("Terrain", "TerrainColor");
}
