void AMurphysLawCharacter::ApplyMeshTeamColor()
{
// Put color on meshes
if (ValidTeamBodyMeshColor && ValidTeamMaskMeshColor)
{
/* Get references to mesh material to be able to color them. */
UMaterialInstanceDynamic* ShaderMeshBody = GetMesh()->CreateDynamicMaterialInstance(0);
UMaterialInstanceDynamic* ShaderMeshArms = GetMesh1P()->CreateDynamicMaterialInstance(0);
checkf(ShaderMeshBody != nullptr && ShaderMeshArms != nullptr, TEXT("Unable to find first material on character"));
ShaderMeshArms->SetVectorParameterValue(MATERIAL_PARAM_TEAM_COLOR_CLOTHES, TeamBodyMeshColor);
ShaderMeshArms->SetVectorParameterValue(MATERIAL_PARAM_TEAM_COLOR_MASK, TeamMaskMeshColor);
ShaderMeshBody->SetVectorParameterValue(MATERIAL_PARAM_TEAM_COLOR_CLOTHES, TeamBodyMeshColor);
ShaderMeshBody->SetVectorParameterValue(MATERIAL_PARAM_TEAM_COLOR_MASK, TeamMaskMeshColor);
}
}
void ABomb::ArmBomb()
{
if (bIsArmed)
{
//Chance the base color of the static mesh to red
UMaterialInstanceDynamic* DynamicMAT = SM->CreateAndSetMaterialInstanceDynamic(0);
DynamicMAT->SetVectorParameterValue(FName("Color"), FLinearColor::Red);
}
}
void FGridWidget::DrawNewGrid(const FSceneView* View, FPrimitiveDrawInterface* PDI)
{
if (LevelGridMaterial->IsCompilingOrHadCompileError(View->GetFeatureLevel()) || LevelGridMaterial2->IsCompilingOrHadCompileError(View->GetFeatureLevel()))
{
// The material would appear to be black (because we don't use a MaterialDomain but a UsageFlag - we should change that).
// Here we rather want to hide it.
return;
}
bool bUseTextureSolution = CVarEditorNewLevelGrid.GetValueOnGameThread() > 1;
UMaterialInstanceDynamic *MaterialInst = bUseTextureSolution ? LevelGridMaterialInst2 : LevelGridMaterialInst;
if(!MaterialInst)
{
return;
}
bool bMSAA = IsEditorCompositingMSAAEnabled(View->GetFeatureLevel());
bool bIsPerspective = ( View->ViewMatrices.ProjMatrix.M[3][3] < 1.0f );
// in unreal units
float SnapGridSize = GEditor->GetGridSize();
// not used yet
const bool bSnapEnabled = GetDefault<ULevelEditorViewportSettings>()->GridEnabled;
float SnapAlphaMultiplier = 1.0f;
// to get a light grid in a black level but use a high opacity value to be able to see it in a bright level
static float Darken = 0.11f;
static FName GridColorName("GridColor");
static FName SnapColorName("SnapColor");
static FName ExponentName("Exponent");
static FName AlphaBiasName("AlphaBias");
if(bIsPerspective)
{
MaterialInst->SetVectorParameterValue(GridColorName, FLinearColor(0.6f * Darken, 0.6f * Darken, 0.6f * Darken, CVarEditor3DGridFade.GetValueOnGameThread()));
MaterialInst->SetVectorParameterValue(SnapColorName, FLinearColor(0.5f, 0.0f, 0.0f, SnapAlphaMultiplier * CVarEditor3DSnapFade.GetValueOnGameThread()));
}
else
{
MaterialInst->SetVectorParameterValue(GridColorName, FLinearColor(0.6f * Darken, 0.6f * Darken, 0.6f * Darken, CVarEditor2DGridFade.GetValueOnGameThread()));
MaterialInst->SetVectorParameterValue(SnapColorName, FLinearColor(0.5f, 0.0f, 0.0f, SnapAlphaMultiplier * CVarEditor2DSnapFade.GetValueOnGameThread()));
}
// true:1m, false:1dm ios smallest grid size
bool bLarger1mGrid = true;
const int Exponent = 10;
// 2 is the default so we need to set it
MaterialInst->SetScalarParameterValue(ExponentName, (float)Exponent);
// without MSAA we need the grid to be more see through so lines behind it can be recognized
MaterialInst->SetScalarParameterValue(AlphaBiasName, bMSAA ? 0.0f : 0.05f);
// grid for size
float GridSplit = 0.5f;
// red dots to visualize the snap
float SnapSplit = 0.075f;
float WorldToUVScale = 0.001f;
if(bLarger1mGrid)
{
WorldToUVScale *= 0.1f;
GridSplit *= 0.1f;
}
// in 2D all grid lines are same size in world space (they are at different scale so we need to adjust here)
FLinearColor GridSplitTriple(GridSplit * 0.01f, GridSplit * 0.1f, GridSplit);
if(bIsPerspective)
{
// largest grid lines
GridSplitTriple.R *= 8.0f;
// medium grid lines
GridSplitTriple.G *= 3.0f;
// fine grid lines
GridSplitTriple.B *= 1.0f;
}
if(!bIsPerspective)
{
// screenspace size looks better in 2d
float ScaleX = View->ViewMatrices.ProjMatrix.M[0][0] * View->ViewRect.Width();
float ScaleY = View->ViewMatrices.ProjMatrix.M[1][1] * View->ViewRect.Height();
float Scale = FMath::Min(ScaleX, ScaleY);
float GridScale = CVarEditor2DSnapScale.GetValueOnGameThread();
float GridMin = CVarEditor2DSnapMin.GetValueOnGameThread();
// we need to account for a larger grids setting
SnapSplit = 1.25f * FMath::Min(GridScale / SnapGridSize / Scale, GridMin);
// hack test
GridSplitTriple.R = 0.25f * FMath::Min(GridScale / 100 / Scale * 0.01f, GridMin);
GridSplitTriple.G = 0.25f * FMath::Min(GridScale / 100 / Scale * 0.1f, GridMin);
GridSplitTriple.B = 0.25f * FMath::Min(GridScale / 100 / Scale, GridMin);
}
float SnapTile = (1.0f / WorldToUVScale) / FMath::Max(1.0f, SnapGridSize);
MaterialInst->SetVectorParameterValue("GridSplit", GridSplitTriple);
MaterialInst->SetScalarParameterValue("SnapSplit", SnapSplit);
MaterialInst->SetScalarParameterValue("SnapTile", SnapTile);
FMatrix ObjectToWorld = FMatrix::Identity;
FVector CameraPos = View->ViewMatrices.ViewOrigin;
FVector2D UVCameraPos = FVector2D(CameraPos.X, CameraPos.Y);
ObjectToWorld.SetOrigin(FVector(CameraPos.X, CameraPos.Y, 0));
FLinearColor AxisColors[3];
GetAxisColors(AxisColors, true);
FLinearColor UAxisColor = AxisColors[1];
FLinearColor VAxisColor = AxisColors[0];
if(!bIsPerspective)
{
float FarZ = 100000.0f;
if(View->ViewMatrices.ViewMatrix.M[1][1] == -1.f ) // Top
{
ObjectToWorld.SetOrigin(FVector(CameraPos.X, CameraPos.Y, -FarZ));
}
if(View->ViewMatrices.ViewMatrix.M[1][2] == -1.f ) // Front
{
UVCameraPos = FVector2D(CameraPos.Z, CameraPos.X);
ObjectToWorld.SetAxis(0, FVector(0,0,1));
ObjectToWorld.SetAxis(1, FVector(1,0,0));
ObjectToWorld.SetAxis(2, FVector(0,1,0));
ObjectToWorld.SetOrigin(FVector(CameraPos.X, -FarZ, CameraPos.Z));
UAxisColor = AxisColors[0];
VAxisColor = AxisColors[2];
}
else if(View->ViewMatrices.ViewMatrix.M[1][0] == 1.f ) // Side
{
UVCameraPos = FVector2D(CameraPos.Y, CameraPos.Z);
ObjectToWorld.SetAxis(0, FVector(0,1,0));
ObjectToWorld.SetAxis(1, FVector(0,0,1));
ObjectToWorld.SetAxis(2, FVector(1,0,0));
ObjectToWorld.SetOrigin(FVector(FarZ, CameraPos.Y, CameraPos.Z));
UAxisColor = AxisColors[2];
VAxisColor = AxisColors[1];
}
}
MaterialInst->SetVectorParameterValue("UAxisColor", UAxisColor);
MaterialInst->SetVectorParameterValue("VAxisColor", VAxisColor);
// We don't want to affect the mouse interaction.
PDI->SetHitProxy(0);
// good enough to avoid the AMD artifacts, horizon still appears to be a line
float Radii = 100000;
if(bIsPerspective)
{
// the higher we get the larger we make the geometry to give the illusion of an infinite grid while maintains the precision nearby
Radii *= FMath::Max( 1.0f, FMath::Abs(CameraPos.Z) / 1000.0f );
}
else
{
float ScaleX = View->ViewMatrices.ProjMatrix.M[0][0];
float ScaleY = View->ViewMatrices.ProjMatrix.M[1][1];
float Scale = FMath::Min(ScaleX, ScaleY);
Scale *= View->ViewRect.Width();
// We render a larger grid if we are zoomed out more (good precision at any scale)
Radii *= 1.0f / Scale;
}
FVector2D UVMid = UVCameraPos * WorldToUVScale;
float UVRadi = Radii * WorldToUVScale;
FVector2D UVMin = UVMid + FVector2D(-UVRadi, -UVRadi);
FVector2D UVMax = UVMid + FVector2D(UVRadi, UVRadi);
// vertex pos is in -1..1 range
DrawPlane10x10(PDI, ObjectToWorld, Radii, UVMin, UVMax, MaterialInst->GetRenderProxy(false), SDPG_World );
}
void AFlarePlanetarium::SetupCelestialBody(CelestialBodyPosition* BodyPosition, double DisplayDistance, double DisplayRadius)
{
FVector PlayerShipLocation = FVector::ZeroVector;
if (GetGame()->GetPC()->GetShipPawn())
{
PlayerShipLocation = GetGame()->GetPC()->GetShipPawn()->GetActorLocation();
}
#ifdef PLANETARIUM_DEBUG
DrawDebugSphere(GetWorld(), FVector::ZeroVector, DisplayDistance /1000 , 32, FColor::Blue, false);
PlayerShipLocation = FVector::ZeroVector;
DisplayRadius /= 1000;
DisplayDistance /= 1000;
#endif
BodyPosition->BodyComponent->SetRelativeLocation((DisplayDistance * BodyPosition->AlignedLocation.GetUnsafeNormal()).ToVector() + PlayerShipLocation);
float Scale = DisplayRadius / 512; // Mesh size is 1024;
BodyPosition->BodyComponent->SetRelativeScale3D(FPreciseVector(Scale).ToVector());
FTransform BaseRotation = FTransform(FRotator(0, 0 ,90));
FTransform TimeRotation = FTransform(FRotator(0, BodyPosition->TotalRotation, 0));
FQuat Rotation = (TimeRotation * BaseRotation).GetRotation();
// TODO Rotation float time interpolation
BodyPosition->BodyComponent->SetRelativeRotation(FQuat::Identity);
BodyPosition->BodyComponent->SetRelativeRotation(Rotation);
// Apply sun direction to component
UMaterialInstanceDynamic* ComponentMaterial = Cast<UMaterialInstanceDynamic>(BodyPosition->BodyComponent->GetMaterial(0));
if (!ComponentMaterial)
{
ComponentMaterial = UMaterialInstanceDynamic::Create(BodyPosition->BodyComponent->GetMaterial(0) , GetWorld());
BodyPosition->BodyComponent->SetMaterial(0, ComponentMaterial);
}
ComponentMaterial->SetVectorParameterValue("SunDirection", SunDirection.ToVector());
// Look for rings and orient them
TArray<USceneComponent*> RingCandidates;
BodyPosition->BodyComponent->GetChildrenComponents(true, RingCandidates);
for (int32 ComponentIndex = 0; ComponentIndex < RingCandidates.Num(); ComponentIndex++)
{
UStaticMeshComponent* RingComponent = Cast<UStaticMeshComponent>(RingCandidates[ComponentIndex]);
if (RingComponent && RingComponent->GetName().Contains("ring"))
{
// Get or create the material
UMaterialInstanceDynamic* RingMaterial = Cast<UMaterialInstanceDynamic>(RingComponent->GetMaterial(0));
if (!RingMaterial)
{
RingMaterial = UMaterialInstanceDynamic::Create(RingComponent->GetMaterial(0), GetWorld());
RingComponent->SetMaterial(0, RingMaterial);
}
// Get world-space rotation angles for the ring and the sun
float SunRotationPitch = FMath::RadiansToDegrees(FMath::Atan2(SunDirection.Z,SunDirection.X)) + 180;
float RingRotationPitch = -BodyPosition->TotalRotation;
// Feed params to the shader
RingMaterial->SetScalarParameterValue("RingPitch", RingRotationPitch / 360);
RingMaterial->SetScalarParameterValue("SunPitch", SunRotationPitch / 360);
}
}
// Sun also rotates to track direction
if (BodyPosition->Body == &Sun)
{
BodyPosition->BodyComponent->SetRelativeRotation(SunDirection.ToVector().Rotation());
}
// Compute sun occlusion
if (BodyPosition->Body != &Sun)
{
double OcclusionAngle = FPreciseMath::Asin(BodyPosition->Radius / BodyPosition->Distance);
float BodyPhase = FMath::UnwindRadians(FMath::Atan2(BodyPosition->AlignedLocation.Z, BodyPosition->AlignedLocation.X));
float CenterAngularDistance = FMath::Abs(FMath::UnwindRadians(SunPhase - BodyPhase));
float AngleSum = (SunOcclusionAngle + OcclusionAngle);
float AngleDiff = FMath::Abs(SunOcclusionAngle - OcclusionAngle);
/*FLOGV("SetupCelestialBody %s BodyPhase = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(BodyPhase));
FLOGV("SetupCelestialBody %s SunPhase = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(SunPhase));
FLOGV("SetupCelestialBody %s OcclusionAngle = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(OcclusionAngle));
FLOGV("SetupCelestialBody %s SunOcclusionAngle = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(SunOcclusionAngle));
FLOGV("SetupCelestialBody %s AngleDiff = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(AngleDiff));
FLOGV("SetupCelestialBody %s CenterAngularDistance = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(CenterAngularDistance));
FLOGV("SetupCelestialBody %s AngleSum = %f", *BodyPosition->Body->Name.ToString(), FMath::RadiansToDegrees(AngleSum));*/
if (CenterAngularDistance < AngleSum)
{
// There is occlusion
float OcclusionRatio;
if (CenterAngularDistance < AngleDiff)
{
// Maximum occlusion
OcclusionRatio = 1.0;
}
else
{
// Partial occlusion
OcclusionRatio = (AngleSum - CenterAngularDistance) / (2* FMath::Min(SunOcclusionAngle, OcclusionAngle));
// OcclusionRatio = ((SunOcclusionAngle + OcclusionAngle) + FMath::Max(SunOcclusionAngle, OcclusionAngle) - FMath::Min(SunOcclusionAngle, OcclusionAngle)) / (2 * CenterAngularDistance);
}
//FLOGV("MoveCelestialBody %s OcclusionRatio = %f", *Body->Name, OcclusionRatio);
// Now, find the surface occlusion
float SunAngularSurface = PI*FMath::Square(SunOcclusionAngle);
float MaxOcclusionAngularSurface = PI*FMath::Square(FMath::Min(SunOcclusionAngle, OcclusionAngle));
float MaxOcclusion = MaxOcclusionAngularSurface / SunAngularSurface;
float Occlusion = OcclusionRatio * MaxOcclusion;
/*FLOGV("SetupCelestialBody %s CenterAngularDistance = %f", *BodyPosition->Body->Name.ToString(), CenterAngularDistance);
FLOGV("SetupCelestialBody %s SunOcclusionAngle = %f", *BodyPosition->Body->Name.ToString(), SunOcclusionAngle);
FLOGV("SetupCelestialBody %s OcclusionAngle = %f", *BodyPosition->Body->Name.ToString(), OcclusionAngle);
FLOGV("SetupCelestialBody %s SunAngularSurface = %f", *BodyPosition->Body->Name.ToString(), SunAngularSurface);
FLOGV("SetupCelestialBody %s MaxOcclusionAngularSurface = %f", *BodyPosition->Body->Name.ToString(), MaxOcclusionAngularSurface);
FLOGV("SetupCelestialBody %s MaxOcclusion = %f", *BodyPosition->Body->Name.ToString(), MaxOcclusion);
FLOGV("SetupCelestialBody %s Occlusion = %f", *BodyPosition->Body->Name.ToString(), Occlusion);*/
if (Occlusion > SunOcclusion)
{
// Keep only best occlusion
SunOcclusion = Occlusion;
}
}
}
}
