private void AddCubeFace(Surface tri, int faceNumber, Vector3 v1, Vector3 v2, Vector3 v3, Vector3 v4)
{
int verticeOffset = faceNumber * 4;
int indexOffset = faceNumber * 6;
tri.Vertices[verticeOffset + 0].Clear();
tri.Vertices[verticeOffset + 0].Position = v1 * 8;
tri.Vertices[verticeOffset + 0].TextureCoordinates = new Vector2(0, 0);
tri.Vertices[verticeOffset + 1].Clear();
tri.Vertices[verticeOffset + 1].Position = v2 * 8;
tri.Vertices[verticeOffset + 1].TextureCoordinates = new Vector2(1, 0);
tri.Vertices[verticeOffset + 2].Clear();
tri.Vertices[verticeOffset + 2].Position = v3 * 8;
tri.Vertices[verticeOffset + 2].TextureCoordinates = new Vector2(1, 1);
tri.Vertices[verticeOffset + 3].Clear();
tri.Vertices[verticeOffset + 3].Position = v4 * 8;
tri.Vertices[verticeOffset + 3].TextureCoordinates = new Vector2(0, 1);
tri.Indexes[indexOffset + 0] = verticeOffset + 0;
tri.Indexes[indexOffset + 1] = verticeOffset + 1;
tri.Indexes[indexOffset + 2] = verticeOffset + 2;
tri.Indexes[indexOffset + 3] = verticeOffset + 0;
tri.Indexes[indexOffset + 4] = verticeOffset + 2;
tri.Indexes[indexOffset + 5] = verticeOffset + 3;
}
private void EmitSurface(GuiModelSurface surface, Matrix modelMatrix, Matrix modelViewMatrix, bool depthHack)
{
if(surface.VertexCount == 0)
{
// nothing in the surface
return;
}
// copy verts and indexes
Surface tri = new Surface();
tri.Indexes = new int[surface.IndexCount];
tri.Vertices = new Vertex[surface.VertexCount];
_indexes.CopyTo(surface.FirstIndex, tri.Indexes, 0, surface.IndexCount);
// we might be able to avoid copying these and just let them reference the list vars
// but some things, like deforms and recursive
// guis, need to access the verts in cpu space, not just through the vertex range
_vertices.CopyTo(surface.FirstVertex, tri.Vertices, 0, surface.VertexCount);
// move the verts to the vertex cache
tri.AmbientCache = idE.RenderSystem.AllocateVertexCacheFrameTemporary(tri.Vertices);
// if we are out of vertex cache, don't create the surface
if(tri.AmbientCache == null)
{
return;
}
RenderEntityComponent renderEntity = new RenderEntityComponent();
renderEntity.MaterialParameters[0] = surface.Color.X;
renderEntity.MaterialParameters[1] = surface.Color.Y;
renderEntity.MaterialParameters[2] = surface.Color.Z;
renderEntity.MaterialParameters[3] = surface.Color.W;
ViewEntity guiSpace = new ViewEntity();
guiSpace.ModelMatrix = modelMatrix;
guiSpace.ModelViewMatrix = modelViewMatrix;
guiSpace.WeaponDepthHack = depthHack;
// add the surface, which might recursively create another gui
idE.RenderSystem.AddDrawSurface(tri, guiSpace, renderEntity, surface.Material, idE.RenderSystem.ViewDefinition.Scissor);
}
public void AddDrawSurface(Surface surface, ViewEntity space, RenderEntityComponent renderEntity, idMaterial material, idScreenRect scissor)
{
float[] materialParameters;
float[] referenceRegisters = new float[idE.MaxExpressionRegisters];
float[] generatedMaterialParameters = new float[idE.MaxEntityMaterialParameters];
DrawSurface drawSurface = new DrawSurface();
drawSurface.Geometry = surface;
drawSurface.Space = space;
drawSurface.Material = material;
drawSurface.ScissorRectangle = scissor;
drawSurface.Sort = (float) material.Sort + _sortOffset;
// bumping this offset each time causes surfaces with equal sort orders to still
// deterministically draw in the order they are added
_sortOffset += 0.000001f;
// process the shader expressions for conditionals / color / texcoords
float[] constantRegisters = material.ConstantRegisters;
if(constantRegisters != null)
{
// shader only uses constant values
drawSurface.MaterialRegisters = constantRegisters;
}
else
{
drawSurface.MaterialRegisters = new float[material.RegisterCount];
// a reference shader will take the calculated stage color value from another shader
// and use that for the parm0-parm3 of the current shader, which allows a stage of
// a light model and light flares to pick up different flashing tables from
// different light shaders
if(renderEntity.ReferenceMaterial != null)
{
// evaluate the reference shader to find our shader parms
//renderEntity.ReferenceMaterial.EvaluateRegisters(ref referenceRegisters, renderEntity.MaterialParameters, this.ViewDefinition, renderEntity.ReferenceSound);
idConsole.Warning("TODO: ref material");
/*MaterialStage stage = renderEntity.ReferenceMaterial.GetStage(0);
memcpy( generatedShaderParms, renderEntity->shaderParms, sizeof( generatedShaderParms ) );
generatedShaderParms[0] = refRegs[ pStage->color.registers[0] ];
generatedShaderParms[1] = refRegs[ pStage->color.registers[1] ];
generatedShaderParms[2] = refRegs[ pStage->color.registers[2] ];*/
materialParameters = generatedMaterialParameters;
}
else
{
// evaluate with the entityDef's shader parms
materialParameters = renderEntity.MaterialParameters;
}
float oldFloatTime = 0;
int oldTime = 0;
if((space.EntityDef != null) && (space.EntityDef.Parameters.TimeGroup != 0))
{
oldFloatTime = this.ViewDefinition.FloatTime;
oldTime = this.ViewDefinition.RenderView.Time;
this.ViewDefinition.FloatTime = idE.Game.GetTimeGroupTime(space.EntityDef.Parameters.TimeGroup) * 0.001f;
this.ViewDefinition.RenderView.Time = idE.Game.GetTimeGroupTime(space.EntityDef.Parameters.TimeGroup);
}
material.EvaluateRegisters(ref drawSurface.MaterialRegisters, materialParameters, idE.RenderSystem.ViewDefinition /* TODO: ,renderEntity->referenceSound*/);
if((space.EntityDef != null) && (space.EntityDef.Parameters.TimeGroup != 0))
{
this.ViewDefinition.FloatTime = oldFloatTime;
this.ViewDefinition.RenderView.Time = oldTime;
}
}
// check for deformations
// TODO: R_DeformDrawSurf( drawSurf );
// skybox surfaces need a dynamic texgen
// TODO: skybox
/*switch( shader->Texgen() ) {
case TG_SKYBOX_CUBE:
R_SkyboxTexGen( drawSurf, tr.viewDef->renderView.vieworg );
break;
case TG_WOBBLESKY_CUBE:
R_WobbleskyTexGen( drawSurf, tr.viewDef->renderView.vieworg );
break;
}*/
// check for gui surfaces
// TODO: gui surface
idUserInterface gui = null;
if(space.EntityDef == null)
{
gui = material.GlobalInterface;
}
else
{
idConsole.Warning("TODO: global gui");
/*int guiNum = shader->GetEntityGui() - 1;
if ( guiNum >= 0 && guiNum < MAX_RENDERENTITY_GUI ) {
gui = renderEntity->gui[ guiNum ];
}
if ( gui == NULL ) {
gui = shader->GlobalGui();
}*/
}
if(gui != null)
{
// force guis on the fast time
float oldFloatTime = this.ViewDefinition.FloatTime;
int oldTime = this.ViewDefinition.RenderView.Time;
this.ViewDefinition.FloatTime = idE.Game.GetTimeGroupTime(1) * 0.001f;
this.ViewDefinition.RenderView.Time = idE.Game.GetTimeGroupTime(1);
idBounds ndcBounds;
idConsole.Warning("TODO: precise cull + render gui surface");
/*if ( !R_PreciseCullSurface( drawSurf, ndcBounds ) ) {
// did we ever use this to forward an entity color to a gui that didn't set color?
// memcpy( tr.guiShaderParms, shaderParms, sizeof( tr.guiShaderParms ) );
R_RenderGuiSurf( gui, drawSurf );
}*/
this.ViewDefinition.FloatTime = oldFloatTime;
this.ViewDefinition.RenderView.Time = oldTime;
}
_viewDefinition.DrawSurfaces.Add(drawSurface);
// we can't add subviews at this point, because that would
// increment tr.viewCount, messing up the rest of the surface
// adds for this view
}
private bool CreateAmbientCache(Surface geometry, bool needsLighting)
{
if(geometry.AmbientCache != null)
{
return true;
}
// we are going to use it for drawing, so make sure we have the tangents and normals
// TODO: lighting
/*if ( needsLighting && !tri->tangentsCalculated ) {
R_DeriveTangents( tri );
}*/
geometry.AmbientCache = new VertexCache();
geometry.AmbientCache.Data = geometry.Vertices;
return true;
}
