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Another batch of GetValues() overrides. (#6915)

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* Another batch of GetValues() overrides.

Signed-off-by: Mike Balfour <82224783+mbalfour-amzn@users.noreply.github.com>

* Added missing headers.

Signed-off-by: Mike Balfour <82224783+mbalfour-amzn@users.noreply.github.com>

* Addressed PR feedback.

Signed-off-by: Mike Balfour <82224783+mbalfour-amzn@users.noreply.github.com>
This commit is contained in:
Mike Balfour
2022-01-18 15:05:17 -06:00
committed by GitHub
parent 3a3aa20545
commit 4b9e53e623
18 changed files with 386 additions and 126 deletions
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Gems/GradientSignal/Code/Source/Components/PosterizeGradientComponent.cpp
+19 -25
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@@ -151,34 +151,28 @@ namespace GradientSignal
float PosterizeGradientComponent::GetValue(const GradientSampleParams& sampleParams) const
{
const float bands = AZ::GetMax(static_cast<float>(m_configuration.m_bands), 2.0f);
const float input = AZ::GetClamp(m_configuration.m_gradientSampler.GetValue(sampleParams), 0.0f, 1.0f);
float output = 0.0f;
const float input = m_configuration.m_gradientSampler.GetValue(sampleParams);
return PosterizeValue(input, bands, m_configuration.m_mode);
}
// "quantize" the input down to a number that goes from 0 to (bands-1)
const float band = AZ::GetClamp(floorf(input * bands), 0.0f, bands - 1.0f);
// Given our quantized band, produce the right output for that band range.
switch (m_configuration.m_mode)
void PosterizeGradientComponent::GetValues(AZStd::span<AZ::Vector3> positions, AZStd::span<float> outValues) const
{
if (positions.size() != outValues.size())
{
default:
case PosterizeGradientConfig::ModeType::Floor:
// Floor: the output range should be the lowest value of each band, or (0 to bands-1) / bands
output = (band + 0.0f) / bands;
break;
case PosterizeGradientConfig::ModeType::Round:
// Round: the output range should be the midpoint of each band, or (0.5 to bands-0.5) / bands
output = (band + 0.5f) / bands;
break;
case PosterizeGradientConfig::ModeType::Ceiling:
// Ceiling: the output range should be the highest value of each band, or (1 to bands) / bands
output = (band + 1.0f) / bands;
break;
case PosterizeGradientConfig::ModeType::Ps:
// Ps: the output range should be equally distributed from 0-1, or (0 to bands-1) / (bands-1)
output = band / (bands - 1.0f);
break;
AZ_Assert(false, "input and output lists are different sizes (%zu vs %zu).", positions.size(), outValues.size());
return;
}
const float bands = AZ::GetMax(static_cast<float>(m_configuration.m_bands), 2.0f);
// Fill in the outValues with all of the generated inupt gradient values.
m_configuration.m_gradientSampler.GetValues(positions, outValues);
// Run through all the input values and posterize them.
for (auto& outValue : outValues)
{
outValue = PosterizeValue(outValue, bands, m_configuration.m_mode);
}
return AZ::GetClamp(output, 0.0f, 1.0f);
}
bool PosterizeGradientComponent::IsEntityInHierarchy(const AZ::EntityId& entityId) const