public static warp_Object BOX(float xsize, float ysize, float zsize)
{
float x = Math.Abs(xsize / 2);
float y = Math.Abs(ysize / 2);
float z = Math.Abs(zsize / 2);
float xx, yy, zz;
warp_Object n = new warp_Object();
int[] xflag = new int[6];
int[] yflag = new int[6];
int[] zflag = new int[6];
xflag [0] = 10;
yflag [0] = 3;
zflag [0] = 0;
xflag [1] = 10;
yflag [1] = 15;
zflag [1] = 3;
xflag [2] = 15;
yflag [2] = 3;
zflag [2] = 10;
xflag [3] = 10;
yflag [3] = 0;
zflag [3] = 12;
xflag [4] = 0;
yflag [4] = 3;
zflag [4] = 5;
xflag [5] = 5;
yflag [5] = 3;
zflag [5] = 15;
for (int side = 0; side < 6; side++)
{
for (int i = 0; i < 4; i++)
{
xx = ((xflag [side] & (1 << i)) > 0) ? x : -x;
yy = ((yflag [side] & (1 << i)) > 0) ? y : -y;
zz = ((zflag [side] & (1 << i)) > 0) ? z : -z;
n.addVertex(new warp_Vector(xx, yy, zz), i & 1, (i & 2) >> 1);
}
int t = side << 2;
n.addTriangle(t, t + 2, t + 3);
n.addTriangle(t, t + 3, t + 1);
}
return(n);
}
public static warp_Object ROTATIONOBJECT(warp_Vector[] path, int sides)
{
int steps = sides + 1;
warp_Object newObject = new warp_Object();
double alpha = 2 * pi / ((double)steps - 1);
float qx, qz;
int nodes = path.GetLength(0);
warp_Vertex vertex = null;
float u, v; // Texture coordinates
for (int j = 0; j < steps; j++)
{
u = (float)(steps - j - 1) / (float)(steps - 1);
for (int i = 0; i < nodes; i++)
{
v = (float)i / (float)(nodes - 1);
qx = (float)(path [i].x * Math.Cos(j * alpha) +
path [i].z * Math.Sin(j * alpha));
qz = (float)(path [i].z * Math.Cos(j * alpha) -
path [i].x * Math.Sin(j * alpha));
vertex = new warp_Vertex(new warp_Vector(qx, path [i].y, qz));
vertex.u = u;
vertex.v = v;
newObject.addVertex(vertex);
}
}
for (int j = 0; j < steps - 1; j++)
{
for (int i = 0; i < nodes - 1; i++)
{
newObject.addTriangle(i + nodes * j, i + nodes * (j + 1),
i + 1 + nodes * j);
newObject.addTriangle(i + nodes * (j + 1),
i + 1 + nodes * (j + 1),
i + 1 + nodes * j);
}
}
for (int i = 0; i < nodes - 1; i++)
{
newObject.addTriangle(i + nodes * (steps - 1), i,
i + 1 + nodes * (steps - 1));
newObject.addTriangle(i, i + 1, i + 1 + nodes * (steps - 1));
}
return(newObject);
}
public static warp_Object SIMPLEPLANE(float size, bool doubleSided)
{
warp_Object newObject = new warp_Object();
newObject.addVertex(new warp_Vertex(new warp_Vector(-size, 0f, size), warp_Vector.UnitY, 0, 0));
newObject.addVertex(new warp_Vertex(new warp_Vector(size, 0f, size), warp_Vector.UnitY, 4f, 0));
newObject.addVertex(new warp_Vertex(new warp_Vector(size, 0f, -size), warp_Vector.UnitY, 4f, 4f));
newObject.addVertex(new warp_Vertex(new warp_Vector(-size, 0f, -size), warp_Vector.UnitY, 0, 4f));
newObject.addTriangle(0, 3, 2);
newObject.addTriangle(0, 2, 1);
if (doubleSided)
{
newObject.addTriangle(0, 2, 3);
newObject.addTriangle(0, 1, 2);
}
return(newObject);
}
public static warp_Object SIMPLEPLANE (float size, bool doubleSided)
{
warp_Object newObject = new warp_Object ();
newObject.addVertex (new warp_Vertex (new warp_Vector (-size, 0f, size), warp_Vector.UnitY, 0, 0));
newObject.addVertex (new warp_Vertex (new warp_Vector (size, 0f, size), warp_Vector.UnitY, 4f, 0));
newObject.addVertex (new warp_Vertex (new warp_Vector (size, 0f, -size), warp_Vector.UnitY, 4f, 4f));
newObject.addVertex (new warp_Vertex (new warp_Vector (-size, 0f, -size), warp_Vector.UnitY, 0, 4f));
newObject.addTriangle (0, 3, 2);
newObject.addTriangle (0, 2, 1);
if (doubleSided)
{
newObject.addTriangle (0, 2, 3);
newObject.addTriangle (0, 1, 2);
}
return newObject;
}
void readPointList(BinaryReader inStream)
{
int v1, v2, v3;
int triangles = readShort(inStream);
for (int i = 0; i < triangles; i++)
{
v1 = readShort(inStream);
v2 = readShort(inStream);
v3 = readShort(inStream);
readShort(inStream);
currentObject.addTriangle(currentObject.vertex(v1),
currentObject.vertex(v2),
currentObject.vertex(v3));
}
}
void CreatePrim (WarpRenderer renderer, ISceneChildEntity prim)
{
try {
if ((PCode)prim.Shape.PCode != PCode.Prim)
return;
if (prim.Scale.LengthSquared () < MIN_PRIM_SIZE * MIN_PRIM_SIZE)
return;
Primitive omvPrim = prim.Shape.ToOmvPrimitive (prim.OffsetPosition, prim.GetRotationOffset ());
FacetedMesh renderMesh = null;
// Are we dealing with a sculptie or mesh?
if (omvPrim.Sculpt != null && omvPrim.Sculpt.SculptTexture != UUID.Zero) {
// Try fetching the asset
byte [] sculptAsset = m_scene.AssetService.GetData (omvPrim.Sculpt.SculptTexture.ToString ());
if (sculptAsset != null) {
// Is it a mesh?
if (omvPrim.Sculpt.Type == SculptType.Mesh) {
AssetMesh meshAsset = new AssetMesh (omvPrim.Sculpt.SculptTexture, sculptAsset);
FacetedMesh.TryDecodeFromAsset (omvPrim, meshAsset, DetailLevel.Highest, out renderMesh);
meshAsset = null;
} else // It's sculptie
{
Image sculpt = m_imgDecoder.DecodeToImage (sculptAsset);
if (sculpt != null) {
renderMesh = m_primMesher.GenerateFacetedSculptMesh (omvPrim, (Bitmap)sculpt,
DetailLevel.Medium);
sculpt.Dispose ();
}
}
sculptAsset = null;
} else {
// missing sculpt data... replace with something
renderMesh = m_primMesher.GenerateFacetedMesh (omvPrim, DetailLevel.Medium);
}
} else // Prim
{
renderMesh = m_primMesher.GenerateFacetedMesh (omvPrim, DetailLevel.Medium);
}
if (renderMesh == null)
return;
warp_Vector primPos = ConvertVector (prim.GetWorldPosition ());
warp_Quaternion primRot = ConvertQuaternion (prim.GetRotationOffset ());
warp_Matrix m = warp_Matrix.quaternionMatrix (primRot);
if (prim.ParentID != 0) {
ISceneEntity group = m_scene.GetGroupByPrim (prim.LocalId);
if (group != null)
m.transform (warp_Matrix.quaternionMatrix (ConvertQuaternion (group.RootChild.GetRotationOffset ())));
}
warp_Vector primScale = ConvertVector (prim.Scale);
string primID = prim.UUID.ToString ();
// Create the prim faces
for (int i = 0; i < renderMesh.Faces.Count; i++) {
Face renderFace = renderMesh.Faces [i];
string meshName = primID + "-Face-" + i;
warp_Object faceObj = new warp_Object (renderFace.Vertices.Count, renderFace.Indices.Count / 3);
foreach (Vertex v in renderFace.Vertices) {
warp_Vector pos = ConvertVector (v.Position);
warp_Vector norm = ConvertVector (v.Normal);
if (prim.Shape.SculptTexture == UUID.Zero)
norm = norm.reverse ();
warp_Vertex vert = new warp_Vertex (pos, norm, v.TexCoord.X, v.TexCoord.Y);
faceObj.addVertex (vert);
}
for (int j = 0; j < renderFace.Indices.Count;) {
faceObj.addTriangle (
renderFace.Indices [j++],
renderFace.Indices [j++],
renderFace.Indices [j++]);
}
Primitive.TextureEntryFace teFace = prim.Shape.Textures.GetFace ((uint)i);
string materialName;
Color4 faceColor = GetFaceColor (teFace);
if (m_texturePrims && (prim.Scale.LengthSquared () > m_texturePrimSize)) {
materialName = GetOrCreateMaterial (renderer, faceColor, teFace.TextureID);
} else {
materialName = GetOrCreateMaterial (renderer, faceColor);
}
faceObj.transform (m);
faceObj.setPos (primPos);
faceObj.scaleSelf (primScale.x, primScale.y, primScale.z);
renderer.Scene.addObject (meshName, faceObj);
renderer.SetObjectMaterial (meshName, materialName);
faceObj = null;
}
renderMesh.Faces.Clear ();
renderMesh = null;
} catch (Exception ex) {
MainConsole.Instance.Warn ("[Warp3D]: Exception creating prim, " + ex);
}
}
warp_Object CreateTerrain (WarpRenderer renderer, bool textureTerrain)
{
ITerrainChannel terrain = m_scene.RequestModuleInterface<ITerrainChannel> ();
float diffX = 1.0f; //(float) m_scene.RegionInfo.RegionSizeX/(float) Constants.RegionSize;
float diffY = 1.0f; //(float) m_scene.RegionInfo.RegionSizeY/(float) Constants.RegionSize;
int newRsX = m_scene.RegionInfo.RegionSizeX / (int)diffX;
int newRsY = m_scene.RegionInfo.RegionSizeY / (int)diffY;
warp_Object obj = new warp_Object (newRsX * newRsY, ((newRsX - 1) * (newRsY - 1) * 2));
for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diffY) {
for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diffX) {
float t_height = terrain [(int)x, (int)y];
float waterHeight = (float)m_scene.RegionInfo.RegionSettings.WaterHeight;
//clamp to eliminate artifacts
t_height = Utils.Clamp (t_height, waterHeight - 0.5f, waterHeight + 0.5f);
if (t_height < 0.0f) t_height = 0.0f;
warp_Vector pos = ConvertVector (x / diffX, y / diffY, t_height);
obj.addVertex (
new warp_Vertex (pos,
x / m_scene.RegionInfo.RegionSizeX,
(m_scene.RegionInfo.RegionSizeY - y) / (m_scene.RegionInfo.RegionSizeY)));
}
}
const float normal_map_reduction = 2.0f; //2.0f-2.5f is the sweet spot
for (float y = 0; y < m_scene.RegionInfo.RegionSizeY; y += diffY) {
for (float x = 0; x < m_scene.RegionInfo.RegionSizeX; x += diffX) {
float newX = x / diffX;
float newY = y / diffY;
if (newX < newRsX - 1 && newY < newRsY - 1) {
int v = (int)(newY * newRsX + newX);
// Normal
Vector3 v1 = new Vector3 (newX, newY, (terrain [(int)x, (int)y]) / normal_map_reduction);
Vector3 v2 = new Vector3 (newX + 1, newY,
(terrain [(int)x + 1, (int)y]) / normal_map_reduction);
Vector3 v3 = new Vector3 (newX, newY + 1,
(terrain [(int)x, (int)(y + 1)]) / normal_map_reduction);
warp_Vector norm = ConvertVector (SurfaceNormal (v1, v2, v3));
norm = norm.reverse ();
obj.vertex (v).n = norm;
// Triangle 1
obj.addTriangle (
v,
v + 1,
v + newRsX);
// Triangle 2
obj.addTriangle (
v + newRsX + 1,
v + newRsX,
v + 1);
}
}
}
renderer.Scene.addObject ("Terrain", obj);
renderer.Scene.sceneobject ("Terrain").setPos (0.0f, 0.0f, 0.0f);
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);
Bitmap image = TerrainSplat.Splat (terrain, textureIDs, startHeights, heightRanges,
new Vector3d (globalX, globalY, 0.0), m_scene.AssetService, textureTerrain);
warp_Texture texture = new warp_Texture (image);
warp_Material material = new warp_Material (texture);
material.setReflectivity (0); // reduces tile seams a bit thanks lkalif
renderer.Scene.addMaterial ("TerrainColor", material);
renderer.SetObjectMaterial ("Terrain", "TerrainColor");
image.Dispose ();
return obj;
}
public static warp_Object TUBE(warp_Vector[] path, float r, int steps, bool closed)
{
warp_Vector[] circle = new warp_Vector[steps];
float angle;
for (int i = 0; i < steps; i++)
{
angle = 2 * 3.14159265f * (float)i / (float)steps;
circle [i] = new warp_Vector(r * warp_Math.cos(angle),
r * warp_Math.sin(angle), 0f);
}
warp_Object newObject = new warp_Object();
int segments = path.GetLength(0);
warp_Vector forward, up, right;
warp_Matrix frenetmatrix;
warp_Vertex tempvertex;
float relx, rely;
int a, b, c, d;
for (int i = 0; i < segments; i++)
{
// Calculate frenet frame matrix
if (i != segments - 1)
{
forward = warp_Vector.sub(path [i + 1], path [i]);
}
else
{
if (!closed)
{
forward = warp_Vector.sub(path [i], path [i - 1]);
}
else
{
forward = warp_Vector.sub(path [1], path [0]);
}
}
forward.normalize();
up = new warp_Vector(0f, 0f, 1f);
right = warp_Vector.getNormal(forward, up);
up = warp_Vector.getNormal(forward, right);
frenetmatrix = new warp_Matrix(right, up, forward);
frenetmatrix.shift(path [i].x, path [i].y, path [i].z);
// Add nodes
relx = (float)i / (float)(segments - 1);
for (int k = 0; k < steps; k++)
{
rely = (float)k / (float)steps;
tempvertex = new warp_Vertex(circle [k].transform(frenetmatrix));
tempvertex.u = relx;
tempvertex.v = rely;
newObject.addVertex(tempvertex);
}
}
for (int i = 0; i < segments - 1; i++)
{
for (int k = 0; k < steps - 1; k++)
{
a = i * steps + k;
b = a + 1;
c = a + steps;
d = b + steps;
newObject.addTriangle(a, c, b);
newObject.addTriangle(b, c, d);
}
a = (i + 1) * steps - 1;
b = a + 1 - steps;
c = a + steps;
d = b + steps;
newObject.addTriangle(a, c, b);
newObject.addTriangle(b, c, d);
}
return(newObject);
}
public static warp_Object BOX (float xsize, float ysize, float zsize)
{
float x = (float)Math.Abs (xsize / 2);
float y = (float)Math.Abs (ysize / 2);
float z = (float)Math.Abs (zsize / 2);
float xx, yy, zz;
warp_Object n = new warp_Object ();
int[] xflag = new int[6];
int[] yflag = new int[6];
int[] zflag = new int[6];
xflag [0] = 10;
yflag [0] = 3;
zflag [0] = 0;
xflag [1] = 10;
yflag [1] = 15;
zflag [1] = 3;
xflag [2] = 15;
yflag [2] = 3;
zflag [2] = 10;
xflag [3] = 10;
yflag [3] = 0;
zflag [3] = 12;
xflag [4] = 0;
yflag [4] = 3;
zflag [4] = 5;
xflag [5] = 5;
yflag [5] = 3;
zflag [5] = 15;
for (int side = 0; side < 6; side++)
{
for (int i = 0; i < 4; i++)
{
xx = ((xflag [side] & (1 << i)) > 0) ? x : -x;
yy = ((yflag [side] & (1 << i)) > 0) ? y : -y;
zz = ((zflag [side] & (1 << i)) > 0) ? z : -z;
n.addVertex (new warp_Vector (xx, yy, zz), i & 1, (i & 2) >> 1);
}
int t = side << 2;
n.addTriangle (t, t + 2, t + 3);
n.addTriangle (t, t + 3, t + 1);
}
return n;
}
public static warp_Object TUBE (warp_Vector[] path, float r, int steps, bool closed)
{
warp_Vector[] circle = new warp_Vector[steps];
float angle;
for (int i = 0; i < steps; i++)
{
angle = 2 * 3.14159265f * (float)i / (float)steps;
circle [i] = new warp_Vector (r * warp_Math.cos (angle),
r * warp_Math.sin (angle), 0f);
}
warp_Object newObject = new warp_Object ();
int segments = path.GetLength (0);
warp_Vector forward, up, right;
warp_Matrix frenetmatrix;
warp_Vertex tempvertex;
float relx, rely;
int a, b, c, d;
for (int i = 0; i < segments; i++)
{
// Calculate frenet frame matrix
if (i != segments - 1)
{
forward = warp_Vector.sub (path [i + 1], path [i]);
} else
{
if (!closed)
{
forward = warp_Vector.sub (path [i], path [i - 1]);
} else
{
forward = warp_Vector.sub (path [1], path [0]);
}
}
forward.normalize ();
up = new warp_Vector (0f, 0f, 1f);
right = warp_Vector.getNormal (forward, up);
up = warp_Vector.getNormal (forward, right);
frenetmatrix = new warp_Matrix (right, up, forward);
frenetmatrix.shift (path [i].x, path [i].y, path [i].z);
// Add nodes
relx = (float)i / (float)(segments - 1);
for (int k = 0; k < steps; k++)
{
rely = (float)k / (float)steps;
tempvertex = new warp_Vertex (circle [k].transform (frenetmatrix));
tempvertex.u = relx;
tempvertex.v = rely;
newObject.addVertex (tempvertex);
}
}
for (int i = 0; i < segments - 1; i++)
{
for (int k = 0; k < steps - 1; k++)
{
a = i * steps + k;
b = a + 1;
c = a + steps;
d = b + steps;
newObject.addTriangle (a, c, b);
newObject.addTriangle (b, c, d);
}
a = (i + 1) * steps - 1;
b = a + 1 - steps;
c = a + steps;
d = b + steps;
newObject.addTriangle (a, c, b);
newObject.addTriangle (b, c, d);
}
return newObject;
}
public static warp_Object ROTATIONOBJECT (warp_Vector[] path, int sides)
{
int steps = sides + 1;
warp_Object newObject = new warp_Object ();
double alpha = 2 * pi / ((double)steps - 1);
float qx, qz;
int nodes = path.GetLength (0);
warp_Vertex vertex = null;
float u, v; // Texture coordinates
for (int j = 0; j < steps; j++)
{
u = (float)(steps - j - 1) / (float)(steps - 1);
for (int i = 0; i < nodes; i++)
{
v = (float)i / (float)(nodes - 1);
qx = (float)(path [i].x * Math.Cos (j * alpha) +
path [i].z * Math.Sin (j * alpha));
qz = (float)(path [i].z * Math.Cos (j * alpha) -
path [i].x * Math.Sin (j * alpha));
vertex = new warp_Vertex (new warp_Vector (qx, path [i].y, qz));
vertex.u = u;
vertex.v = v;
newObject.addVertex (vertex);
}
}
for (int j = 0; j < steps - 1; j++)
{
for (int i = 0; i < nodes - 1; i++)
{
newObject.addTriangle (i + nodes * j, i + nodes * (j + 1),
i + 1 + nodes * j);
newObject.addTriangle (i + nodes * (j + 1),
i + 1 + nodes * (j + 1),
i + 1 + nodes * j);
}
}
for (int i = 0; i < nodes - 1; i++)
{
newObject.addTriangle (i + nodes * (steps - 1), i,
i + 1 + nodes * (steps - 1));
newObject.addTriangle (i, i + 1, i + 1 + nodes * (steps - 1));
}
return newObject;
}