private void RenderTerrain(RegionContextBase rcontext, RegionRenderInfo rri)
{
GL.PushMatrix();
// if the terrain has changed,
if (rri.refreshTerrain)
{
rri.refreshTerrain = false;
UpdateRegionTerrainMesh(rcontext, rri);
}
// apply region offset
GL.MultMatrix(Math3D.CreateTranslationMatrix(CalcRegionOffset(rcontext)));
// everything built. Display the terrain
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.TextureCoordArray);
GL.EnableClientState(ArrayCap.NormalArray);
GL.TexCoordPointer(2, TexCoordPointerType.Float, 0, rri.terrainTexCoord);
GL.VertexPointer(3, VertexPointerType.Float, 0, rri.terrainVertices);
GL.NormalPointer(NormalPointerType.Float, 0, rri.terrainNormal);
GL.DrawElements(BeginMode.Quads, rri.terrainIndices.Length, DrawElementsType.UnsignedShort, rri.terrainIndices);
GL.PopMatrix();
}
private void RenderAvatars(RegionContextBase rcontext, RegionRenderInfo rri)
{
OMV.Vector3 avatarColor = ModuleParams.ParamVector3(m_renderer.m_moduleName + ".OGL.Avatar.Color");
float avatarTransparancy = ModuleParams.ParamFloat(m_renderer.m_moduleName + ".OGL.Avatar.Transparancy");
float[] m_avatarMaterialColor = { avatarColor.X, avatarColor.Y, avatarColor.Z, avatarTransparancy };
lock (rri.renderAvatarList) {
foreach (RenderableAvatar rav in rri.renderAvatarList.Values)
{
GL.PushMatrix();
GL.Translate(rav.avatar.RegionPosition.X,
rav.avatar.RegionPosition.Y,
rav.avatar.RegionPosition.Z);
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, m_avatarMaterialColor);
GL.Disable(EnableCap.Texture2D);
Glu.GLUquadric quad = Glu.gluNewQuadric();
Glu.gluSphere(quad, 0.5d, 10, 10);
Glu.gluDeleteQuadric(quad);
GL.PopMatrix();
}
}
}
// something about the terrain has changed, do some updating
public void UpdateTerrain(RegionContextBase rcontext)
{
RegionRenderInfo rri = GetRegionRenderInfo(rcontext);
// making this true will case the low level renderer to rebuild the terrain
rri.refreshTerrain = true;
return;
}
private void RenderOcean(RegionContextBase rcontext, RegionRenderInfo rri)
{
GL.PushMatrix();
// apply region offset
GL.MultMatrix(Math3D.CreateTranslationMatrix(CalcRegionOffset(rcontext)));
GL.PopMatrix();
return;
}
// rendering specific information for placing in the view
public void MapRegionIntoView(RegionContextBase rcontext)
{
if (!m_trackedRegions.Contains(rcontext))
{
m_trackedRegions.Add(rcontext);
}
// get the render info block to create it if it doesn't exist
RegionRenderInfo rri = GetRegionRenderInfo(rcontext);
return;
}
/// <summary>
/// Create the animation. The passed animation block is expected
/// to contain a defintion of a fixed rotation. If not, bad things will happen.
/// </summary>
/// <param name="anim">The IAnimation block with the info.</param>
/// <param name="id">localID to lookup the prim in the RegionRenderInfo.renderPrimList</param>
public AnimatPosition(OMV.Vector3 newPos, float durationSeconds, RegionRenderInfo rri, uint id)
: base(AnimatBase.AnimatTypePosition)
{
m_infoID = id;
RenderablePrim rp = rri.renderPrimList[id];
m_origionalPosition = rp.Position;
m_targetPosition = newPos;
m_durationSeconds = durationSeconds;
m_distanceVector = m_targetPosition - m_origionalPosition;
m_progress = 0f;
}
private void ComputeVisibility(RegionContextBase rcontext, RegionRenderInfo rri)
{
m_renderer.Camera.ComputeFrustum();
lock (rri.renderPrimList) {
foreach (uint ind in rri.renderPrimList.Keys)
{
RenderablePrim rp = rri.renderPrimList[ind];
rp.isVisible = m_renderer.Camera.isVisible(rp.Position.X, rp.Position.Y, rp.Position.Z, 10f);
}
}
return;
}
// create and initialize the renderinfoblock
private RegionRenderInfo GetRegionRenderInfo(RegionContextBase rcontext)
{
RegionRenderInfo ret = null;
if (!rcontext.TryGet <RegionRenderInfo>(out ret))
{
ret = new RegionRenderInfo();
rcontext.RegisterInterface <RegionRenderInfo>(ret);
ret.oceanHeight = rcontext.TerrainInfo.WaterHeight;
}
return(ret);
}
/// <summary>
/// Called for each frame. Advance the position.
/// </summary>
/// <param name="timeSinceLastFrame">seconds since last frame display</param>
/// <param name="rri">RegionRenderInfo for region the animation is in</param>
/// <returns>true to say we never exit</returns>
public override bool Process(float timeSinceLastFrame, RegionRenderInfo rri)
{
bool ret = true;
float thisProgress = timeSinceLastFrame / m_durationSeconds;
m_progress += thisProgress;
RenderablePrim rp = rri.renderPrimList[m_infoID];
if (m_progress >= 1f)
{
// if progressed all the way, we're at the destination
rp.Position = m_targetPosition;
ret = false; // we're done animating
}
else
{
// only part way there
rp.Position = m_origionalPosition + m_distanceVector * m_progress;
}
return(ret);
}
/// <summary>
/// Called for each frame. Advance the rotation.
/// </summary>
/// <param name="timeSinceLastFrame">seconds since last frame display</param>
/// <param name="rri">RegionRenderInfo for region the animation is in</param>
/// <returns>true to say we never exit</returns>
public override bool Process(float timeSinceLastFrame, RegionRenderInfo rri)
{
float nextStep = m_rotationsPerSecond * timeSinceLastFrame;
float nextIncrement = Constants.TWOPI * nextStep;
while (nextIncrement > Constants.TWOPI)
{
nextIncrement -= Constants.TWOPI;
}
OMV.Quaternion newRotation = OMV.Quaternion.CreateFromAxisAngle(m_rotationAxis, nextIncrement);
lock (rri) {
try {
RenderablePrim rp = rri.renderPrimList[m_infoID];
rp.Rotation = newRotation * rp.Rotation;
}
catch (Exception e) {
LogManager.Log.Log(LogLevel.DBADERROR, "Did not find prim for FixedRotation: {0}", e);
}
}
return(true); // we never exit
}
/// <summary>
/// Loop through the list of animations for this region and call their "Process" routines
/// </summary>
/// <param name="timeSinceLastFrame">seconds since list frame</param>
/// <param name="rri">RegionRenderInfo for the region</param>
public static void ProcessAnimations(float timeSinceLastFrame, RegionRenderInfo rri)
{
lock (rri) {
List <AnimatBase> removeAnimations = new List <AnimatBase>();
foreach (AnimatBase ab in rri.animations)
{
try {
if (!ab.Process(timeSinceLastFrame, rri))
{
removeAnimations.Add(ab); // remember so we can remove later
}
}
catch {
}
}
// since we can't remove animations while interating the list, do it now
foreach (AnimatBase ab in removeAnimations)
{
rri.animations.Remove(ab);
}
}
}
public virtual bool Process(float timeSinceLastFrame, RegionRenderInfo rri)
{
return(false); // false saying to delete
}
//int[] CubeMapDefines = new int[]
//{
// Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
// Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
// Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
// Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
// Gl.GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
// Gl.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
//};
private void RenderPrims(RegionContextBase rcontext, RegionRenderInfo rri)
{
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Texture2D);
lock (rri.renderPrimList) {
bool firstPass = true;
// GL.Disable(EnableCap.Blend);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Normalize);
GL.EnableClientState(ArrayCap.TextureCoordArray);
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.NormalArray);
StartRender:
List <RenderablePrim> rpList = new List <RenderablePrim>(rri.renderPrimList.Values);
// sort back to front
rpList.Sort(delegate(RenderablePrim rp1, RenderablePrim rp2) {
return((int)(((OMV.Vector3.Distance(m_renderer.Camera.Position, rp1.Prim.Position)) -
(OMV.Vector3.Distance(m_renderer.Camera.Position, rp2.Prim.Position))) * 100f));
});
foreach (RenderablePrim rp in rpList)
{
// if this prim is not visible, just loop
if (!rp.isVisible)
{
continue;
}
RenderablePrim prp = RenderablePrim.Empty;
OMV.Primitive prim = rp.Prim;
if (prim.ParentID != 0)
{
// Get the parent reference
if (!rri.renderPrimList.TryGetValue(prim.ParentID, out prp))
{
// Can't render a child with no parent prim, skip it
continue;
}
}
GL.PushName(prim.LocalID);
GL.PushMatrix();
if (prim.ParentID != 0)
{
// Apply parent translation and rotation
GL.MultMatrix(Math3D.CreateTranslationMatrix(prp.Position));
GL.MultMatrix(Math3D.CreateRotationMatrix(prp.Rotation));
}
// Apply prim translation and rotation
GL.MultMatrix(Math3D.CreateTranslationMatrix(rp.Position));
// apply region offset for multiple regions
GL.MultMatrix(Math3D.CreateTranslationMatrix(CalcRegionOffset(rp.rcontext)));
GL.MultMatrix(Math3D.CreateRotationMatrix(rp.Rotation));
// Scale the prim
GL.Scale(prim.Scale.X, prim.Scale.Y, prim.Scale.Z);
// Draw the prim faces
for (int j = 0; j < rp.Mesh.Faces.Count; j++)
{
OMVR.Face face = rp.Mesh.Faces[j];
FaceData data = (FaceData)face.UserData;
OMV.Color4 color = face.TextureFace.RGBA;
bool alpha = false;
int textureID = 0;
if (color.A < 1.0f)
{
alpha = true;
}
TextureInfo info;
if (face.TextureFace.TextureID != OMV.UUID.Zero &&
face.TextureFace.TextureID != OMV.Primitive.TextureEntry.WHITE_TEXTURE &&
m_renderer.Textures.TryGetValue(face.TextureFace.TextureID, out info))
{
if (info.Alpha)
{
alpha = true;
}
textureID = info.ID;
// if textureID has not been set, need to generate the mipmaps
if (textureID == 0)
{
GenerateMipMaps(rp.acontext, face.TextureFace.TextureID, out textureID);
info.ID = textureID;
}
// Enable texturing for this face
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
}
else
{
if (face.TextureFace.TextureID == OMV.Primitive.TextureEntry.WHITE_TEXTURE ||
face.TextureFace.TextureID == OMV.UUID.Zero)
{
GL.PolygonMode(MaterialFace.Front, PolygonMode.Fill);
}
else
{
GL.PolygonMode(MaterialFace.Front, PolygonMode.Line);
}
}
// if (firstPass && !alpha || !firstPass && alpha) {
// GL.Color4(color.R, color.G, color.B, color.A);
float[] matDiffuse = { color.R, color.G, color.B, color.A };
GL.Material(MaterialFace.FrontAndBack, MaterialParameter.Diffuse, matDiffuse);
// Bind the texture
if (textureID != 0)
{
GL.Enable(EnableCap.Texture2D);
GL.BindTexture(TextureTarget.Texture2D, textureID);
}
else
{
GL.Disable(EnableCap.Texture2D);
}
GL.TexCoordPointer(2, TexCoordPointerType.Float, 0, data.TexCoords);
GL.VertexPointer(3, VertexPointerType.Float, 0, data.Vertices);
GL.NormalPointer(NormalPointerType.Float, 0, data.Normals);
GL.DrawElements(BeginMode.Triangles, data.Indices.Length, DrawElementsType.UnsignedShort, data.Indices);
// }
}
GL.PopMatrix();
GL.PopName();
}
/*
* if (firstPass) {
* firstPass = false;
* GL.Enable(EnableCap.Blend);
* GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
* // GL.Disable(EnableCap.DepthTest);
*
* goto StartRender;
* }
*/
}
GL.Enable(EnableCap.DepthTest);
GL.Disable(EnableCap.Texture2D);
}
private void UpdateRegionTerrainMesh(RegionContextBase rcontext, RegionRenderInfo rri)
{
TerrainInfoBase ti = rcontext.TerrainInfo;
rri.terrainVertices = new float[3 * ti.HeightMapLength * ti.HeightMapWidth];
rri.terrainTexCoord = new float[2 * ti.HeightMapLength * ti.HeightMapWidth];
rri.terrainNormal = new float[3 * ti.HeightMapLength * ti.HeightMapWidth];
int nextVert = 0;
int nextTex = 0;
int nextNorm = 0;
for (int xx = 0; xx < ti.HeightMapLength; xx++)
{
for (int yy = 0; yy < ti.HeightMapWidth; yy++)
{
rri.terrainVertices[nextVert + 0] = (float)xx / ti.HeightMapLength * rcontext.Size.X;
rri.terrainVertices[nextVert + 1] = (float)yy / ti.HeightMapWidth * rcontext.Size.Y;
rri.terrainVertices[nextVert + 2] = ti.HeightMap[xx, yy];
nextVert += 3;
rri.terrainTexCoord[nextTex + 0] = xx / ti.HeightMapLength;
rri.terrainTexCoord[nextTex + 1] = yy / ti.HeightMapWidth;
nextTex += 2;
rri.terrainNormal[nextNorm + 0] = 0f; // simple normal pointing up
rri.terrainNormal[nextNorm + 1] = 1f;
rri.terrainNormal[nextNorm + 2] = 0f;
nextNorm += 3;
}
}
// Create the quads which make up the terrain
rri.terrainIndices = new UInt16[4 * ti.HeightMapLength * ti.HeightMapWidth];
int nextInd = 0;
for (int xx = 0; xx < ti.HeightMapLength - 1; xx++)
{
for (int yy = 0; yy < ti.HeightMapWidth - 1; yy++)
{
rri.terrainIndices[nextInd + 0] = (UInt16)((yy + 0) + (xx + 0) * ti.HeightMapLength);
rri.terrainIndices[nextInd + 1] = (UInt16)((yy + 1) + (xx + 0) * ti.HeightMapLength);
rri.terrainIndices[nextInd + 2] = (UInt16)((yy + 1) + (xx + 1) * ti.HeightMapLength);
rri.terrainIndices[nextInd + 3] = (UInt16)((yy + 0) + (xx + 1) * ti.HeightMapLength);
nextInd += 4;
}
}
rri.terrainWidth = ti.HeightMapWidth;
rri.terrainLength = ti.HeightMapLength;
// Calculate normals
// Take three corners of each quad and calculate the normal for the vector
// a--b--e--...
// | | |
// d--c--h--...
// The triangle a-b-d calculates the normal for a, etc
int nextQuad = 0;
int nextNrm = 0;
for (int xx = 0; xx < ti.HeightMapLength - 1; xx++)
{
for (int yy = 0; yy < ti.HeightMapWidth - 1; yy++)
{
OMV.Vector3 aa, bb, cc;
int offset = rri.terrainIndices[nextQuad + 0] * 3;
aa.X = rri.terrainVertices[offset + 0];
aa.Y = rri.terrainVertices[offset + 1];
aa.Z = rri.terrainVertices[offset + 2];
offset = rri.terrainIndices[nextQuad + 1] * 3;
bb.X = rri.terrainVertices[offset + 0];
bb.Y = rri.terrainVertices[offset + 1];
bb.Z = rri.terrainVertices[offset + 2];
offset = rri.terrainIndices[nextQuad + 3] * 3;
cc.X = rri.terrainVertices[offset + 0];
cc.Y = rri.terrainVertices[offset + 1];
cc.Z = rri.terrainVertices[offset + 2];
OMV.Vector3 mm = aa - bb;
OMV.Vector3 nn = aa - cc;
OMV.Vector3 theNormal = -OMV.Vector3.Cross(mm, nn);
theNormal.Normalize();
rri.terrainNormal[nextNrm + 0] = theNormal.X; // simple normal pointing up
rri.terrainNormal[nextNrm + 1] = theNormal.Y;
rri.terrainNormal[nextNrm + 2] = theNormal.Z;
nextNrm += 3;
nextQuad += 4;
}
rri.terrainNormal[nextNrm + 0] = 1.0f;
rri.terrainNormal[nextNrm + 1] = 0.0f;
rri.terrainNormal[nextNrm + 2] = 0.0f;
nextNrm += 3;
}
}
private void RenderAnimations(float timeSinceLastFrame, RegionContextBase rcontext, RegionRenderInfo rri)
{
AnimatBase.ProcessAnimations(timeSinceLastFrame, rri);
}
private void CreateNewPrim(LLEntityBase ent)
{
m_log.Log(LogLevel.DRENDERDETAIL, "Create new prim {0}", ent.Name.Name);
// entity render info is kept per region. Get the region prim structure
RegionRenderInfo rri = GetRegionRenderInfo(ent.RegionContext);
IEntityAvatar av;
if (ent.TryGet <IEntityAvatar>(out av))
{
// if this entity is an avatar, just put it on the display list
lock (rri.renderAvatarList) {
if (!rri.renderAvatarList.ContainsKey(av.LGID))
{
RenderableAvatar ravv = new RenderableAvatar();
ravv.avatar = av;
rri.renderAvatarList.Add(av.LGID, ravv);
}
}
return;
}
OMV.Primitive prim = ent.Prim;
/* don't do foliage yet
* if (prim.PrimData.PCode == OMV.PCode.Grass
|| prim.PrimData.PCode == OMV.PCode.Tree
|| prim.PrimData.PCode == OMV.PCode.NewTree) {
|| lock (renderFoliageList)
|| renderFoliageList[prim.LocalID] = prim;
|| return;
||}
*/
RenderablePrim render = new RenderablePrim();
render.Prim = prim;
render.acontext = ent.AssetContext;
render.rcontext = ent.RegionContext;
render.Position = prim.Position;
render.Rotation = prim.Rotation;
render.isVisible = true; // initially assume visible
if (m_meshMaker == null)
{
m_meshMaker = new Renderer.Mesher.MeshmerizerR();
m_meshMaker.ShouldScaleMesh = false;
}
if (prim.Sculpt != null)
{
EntityNameLL textureEnt = EntityNameLL.ConvertTextureWorldIDToEntityName(ent.AssetContext, prim.Sculpt.SculptTexture);
System.Drawing.Bitmap textureBitmap = ent.AssetContext.GetTexture(textureEnt);
if (textureBitmap == null)
{
// the texture is not available. Request it.
// Note that we just call this routine again when it is available. Hope it's not recursive
ent.AssetContext.DoTextureLoad(textureEnt, AssetContextBase.AssetType.SculptieTexture,
delegate(string name, bool trans) {
CreateNewPrim(ent);
return;
}
);
return;
}
render.Mesh = m_meshMaker.GenerateSculptMesh(textureBitmap, prim, OMVR.DetailLevel.Medium);
textureBitmap.Dispose();
}
else
{
render.Mesh = m_meshMaker.GenerateFacetedMesh(prim, OMVR.DetailLevel.High);
}
if (render.Mesh == null)
{
// mesh generation failed
m_log.Log(LogLevel.DBADERROR, "FAILED MESH GENERATION: not generating new prim {0}", ent.Name.Name);
return;
}
// Create a FaceData struct for each face that stores the 3D data
// in an OpenGL friendly format
for (int j = 0; j < render.Mesh.Faces.Count; j++)
{
OMVR.Face face = render.Mesh.Faces[j];
FaceData data = new FaceData();
// Vertices for this face
data.Vertices = new float[face.Vertices.Count * 3];
for (int k = 0; k < face.Vertices.Count; k++)
{
data.Vertices[k * 3 + 0] = face.Vertices[k].Position.X;
data.Vertices[k * 3 + 1] = face.Vertices[k].Position.Y;
data.Vertices[k * 3 + 2] = face.Vertices[k].Position.Z;
}
// Indices for this face
data.Indices = face.Indices.ToArray();
// Texture transform for this face
OMV.Primitive.TextureEntryFace teFace = prim.Textures.GetFace((uint)j);
m_meshMaker.TransformTexCoords(face.Vertices, face.Center, teFace);
// Texcoords for this face
data.TexCoords = new float[face.Vertices.Count * 2];
for (int k = 0; k < face.Vertices.Count; k++)
{
data.TexCoords[k * 2 + 0] = face.Vertices[k].TexCoord.X;
data.TexCoords[k * 2 + 1] = face.Vertices[k].TexCoord.Y;
}
data.Normals = new float[face.Vertices.Count * 3];
for (int k = 0; k < face.Vertices.Count; k++)
{
data.Normals[k * 3 + 0] = face.Vertices[k].Normal.X;
data.Normals[k * 3 + 1] = face.Vertices[k].Normal.Y;
data.Normals[k * 3 + 2] = face.Vertices[k].Normal.Z;
}
// m_log.Log(LogLevel.DRENDERDETAIL, "CreateNewPrim: v={0}, i={1}, t={2}",
// data.Vertices.GetLength(0), data.Indices.GetLength(0), data.TexCoords.GetLength(0));
// Texture for this face
if (teFace.TextureID != OMV.UUID.Zero &&
teFace.TextureID != OMV.Primitive.TextureEntry.WHITE_TEXTURE)
{
lock (Textures) {
if (!Textures.ContainsKey(teFace.TextureID))
{
// temporarily add the entry to the table so we don't request it multiple times
Textures.Add(teFace.TextureID, new TextureInfo(0, true));
// We haven't constructed this image in OpenGL yet, get ahold of it
AssetContextBase.RequestTextureLoad(
EntityNameLL.ConvertTextureWorldIDToEntityName(ent.AssetContext, teFace.TextureID),
AssetContextBase.AssetType.Texture,
OnTextureDownloadFinished);
}
}
}
// Set the UserData for this face to our FaceData struct
face.UserData = data;
render.Mesh.Faces[j] = face;
}
lock (rri.renderPrimList) {
rri.renderPrimList[prim.LocalID] = render;
}
}
