bool UCubiquityMeshComponent::ClearMeshTriangles()
{
//UE_LOG(CubiquityLog, Log, TEXT("UCubiquityMeshComponent::ClearMeshTriangles"));
terrainVertices.Empty();
coloredCubesVertices.Empty();
indices.Empty();
if (ModelBodySetup)
{
ModelBodySetup->InvalidatePhysicsData(); // This is required for the first time after creation
}
UpdateCollision();
// Need to recreate scene proxy to send it over
MarkRenderStateDirty();
return true;
}
void World::UpdateWorld(time_t diff)
{
UpdateSessions(diff);
UpdateCollision(diff);
}
void AZanshinBasicArrow::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
UpdateCollision();
}
bool UCubiquityMeshComponent::SetGeneratedMeshTrianglesTerrain(const Cubiquity::OctreeNode& octreeNode)
{
//UE_LOG(CubiquityLog, Log, TEXT("UCubiquityMeshComponent::SetGeneratedMeshTrianglesTerrain"));
uint32_t noOfIndices;
uint16_t* cubuquityIndices;
uint16_t noOfVertices;
const Cubiquity::TerrainVertex* cubiquityVertices;
octreeNode.getMesh(&noOfVertices, &cubiquityVertices, &noOfIndices, &cubuquityIndices);
for (uint32_t i = 0; i < noOfVertices; ++i)
{
const auto& cubiquityVertex = cubiquityVertices[i];
FDynamicMeshVertex Vert;
const auto position = cubiquityVertex.position();
Vert.Position = FVector(position.x, position.y, position.z);
const auto normal = cubiquityVertex.normal();
Vert.TangentZ = FVector(normal.x, normal.y, normal.z);// .SafeNormal();
const auto materials = cubiquityVertex.materials();
Vert.Color = FColor(materials[0], materials[1], materials[2], materials[3]); //TODO make this from materials
Vert.TextureCoordinate.Set(Vert.Position.X, Vert.Position.Y);
terrainVertices.Add(Vert);
}
//The normals are already set but we need the tangents and bitangents. Set these on a per-triangle basis based on the geometry
for (uint16_t i = 0; i < noOfIndices; ++i)
{
const uint16_t index0 = cubuquityIndices[i];
const uint16_t index1 = cubuquityIndices[++i];
const uint16_t index2 = cubuquityIndices[++i];
FDynamicMeshVertex& vertex0 = terrainVertices[index0];
FDynamicMeshVertex& vertex1 = terrainVertices[index1];
FDynamicMeshVertex& vertex2 = terrainVertices[index2];
//Reverse winding order
indices.Add(index2);
indices.Add(index1);
indices.Add(index0);
//Now calculate the tangent vectors
const FVector Edge01 = (vertex1.Position - vertex0.Position);
const FVector Edge02 = (vertex2.Position - vertex0.Position);
const FVector TangentX = Edge01.GetSafeNormal() * 256.0; //Tangent
const FVector TangentZ = vertex0.TangentZ; //Normal
const FVector TangentY = (TangentX ^ TangentZ); //Binormal (bitangent) I assume?
vertex1.SetTangents(TangentX, TangentY, vertex1.TangentZ);
vertex2.SetTangents(TangentX, TangentY, vertex2.TangentZ);
}
if (ModelBodySetup)
{
ModelBodySetup->InvalidatePhysicsData(); // This is required for the first time after creation
}
UpdateCollision();
// Need to recreate scene proxy to send it over
MarkRenderStateDirty();
return true;
}
bool UCubiquityMeshComponent::SetGeneratedMeshTrianglesColoredCubes(const Cubiquity::OctreeNode& octreeNode)
{
//UE_LOG(CubiquityLog, Log, TEXT("UCubiquityMeshComponent::SetGeneratedMeshTrianglesColoredCubes"));
uint32_t noOfIndices;
uint16_t* cubuquityIndices;
uint16_t noOfVertices;
Cubiquity::ColoredCubesVertex* cubiquityVertices;
octreeNode.getMesh(&noOfVertices, &cubiquityVertices, &noOfIndices, &cubuquityIndices);
for (uint32_t i = 0; i < noOfVertices; ++i)
{
const auto& cubiquityVertex = cubiquityVertices[i];
FColoredCubesVertex Vert;
const auto& position = cubiquityVertex.position();
Vert.Position = FVector(position.x, position.y, position.z);
const auto& color = cubiquityVertex.color();
Vert.Color = FColor(color.red(), color.green(), color.blue(), color.alpha());
coloredCubesVertices.Add(Vert);
}
//TODO: Could we do these 6 at at time for each quad?
for (uint16_t i = 0; i < noOfIndices; ++i)
{
const uint16_t index0 = cubuquityIndices[i];
const uint16_t index1 = cubuquityIndices[++i];
const uint16_t index2 = cubuquityIndices[++i];
const FColoredCubesVertex& vertex0 = coloredCubesVertices[index0];
const FColoredCubesVertex& vertex1 = coloredCubesVertices[index1];
const FColoredCubesVertex& vertex2 = coloredCubesVertices[index2];
//Reverse winding order
indices.Add(index2);
indices.Add(index1);
indices.Add(index0);
//Now calculate the tangent vectors
const FVector Edge01 = (vertex1.Position - vertex0.Position);
const FVector Edge02 = (vertex2.Position - vertex0.Position);
const FVector normal = (Edge02 ^ Edge01); //Normal
/*vertex0.SetTangents(TangentX, TangentY, TangentZ);
vertex1.SetTangents(TangentX, TangentY, TangentZ);
vertex2.SetTangents(TangentX, TangentY, TangentZ);*/
}
if (ModelBodySetup)
{
ModelBodySetup->InvalidatePhysicsData(); // This is required for the first time after creation
}
UpdateCollision();
// Need to recreate scene proxy to send it over
MarkRenderStateDirty();
return true;
}
void Number::UpdateSystem()
{
UpdateCollision();
}
