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- /*
- * Copyright (c) Contributors to the Open 3D Engine Project.
- * For complete copyright and license terms please see the LICENSE at the root of this distribution.
- *
- * SPDX-License-Identifier: Apache-2.0 OR MIT
- *
- */
- #include <EntityLatticeTestComponent.h>
- #include <Atom/Component/DebugCamera/NoClipControllerComponent.h>
- #include <AzCore/Component/Entity.h>
- #include <AzFramework/Components/TransformComponent.h>
- #include <SampleComponentManager.h>
- #include <SampleComponentConfig.h>
- #include <Automation/ScriptableImGui.h>
- #include <RHI/BasicRHIComponent.h>
- #include <EntityLatticeTestComponent_Traits_Platform.h>
- namespace AtomSampleViewer
- {
- using namespace AZ;
- using namespace RPI;
- constexpr float s_spacingMax = 100.0f;
- constexpr float s_spacingMin = 0.5f;
- constexpr float s_entityScaleMax = 10.0f;
- constexpr float s_entityScaleMin = 0.1f;
- void EntityLatticeTestComponent::Reflect(ReflectContext* context)
- {
- if (SerializeContext* serializeContext = azrtti_cast<SerializeContext*>(context))
- {
- serializeContext->Class<EntityLatticeTestComponent, Component>()
- ->Version(0)
- ;
- }
- }
- void EntityLatticeTestComponent::Activate()
- {
- Debug::CameraControllerRequestBus::Event(GetCameraEntityId(), &Debug::CameraControllerRequestBus::Events::Enable,
- azrtti_typeid<Debug::NoClipControllerComponent>());
- m_defaultIbl.Init(m_scene);
- BuildLattice();
- }
- void EntityLatticeTestComponent::Deactivate()
- {
- Debug::CameraControllerRequestBus::Event(GetCameraEntityId(), &Debug::CameraControllerRequestBus::Events::Disable);
- DestroyLatticeInstances();
- m_defaultIbl.Reset();
- }
- void EntityLatticeTestComponent::RebuildLattice()
- {
- DestroyLatticeInstances();
- BuildLattice();
- }
- void EntityLatticeTestComponent::BuildLattice()
- {
- PrepareCreateLatticeInstances(GetInstanceCount());
- // We first rotate the model by 180 degrees before translating it. This is to make it face the camera as it did
- // when the world was Y-up.
- Transform transform = Transform::CreateRotationZ(Constants::Pi);
- m_worldAabb = AZ::Aabb::CreateNull();
- for (int32_t x = 0; x < m_latticeWidth; ++x)
- {
- for (int32_t y = 0; y < m_latticeDepth; ++y)
- {
- for (int32_t z = 0; z < m_latticeHeight; ++z)
- {
- Vector3 position(
- static_cast<float>(x) * m_spacingX,
- static_cast<float>(y) * m_spacingY,
- static_cast<float>(z) * m_spacingZ);
- transform.SetTranslation(position);
- transform.SetUniformScale(m_entityScale);
- CreateLatticeInstance(transform);
- m_worldAabb.AddPoint(transform.GetTranslation());
- }
- }
- }
- FinalizeLatticeInstances();
- }
- uint32_t EntityLatticeTestComponent::GetInstanceCount() const
- {
- return m_latticeWidth * m_latticeHeight * m_latticeDepth;
- }
- AZ::Aabb EntityLatticeTestComponent::GetLatticeAabb() const
- {
- return m_worldAabb;
- }
-
- void EntityLatticeTestComponent::SetLatticeMaxDimension(uint32_t max)
- {
- m_latticeSizeMax = max;
- }
- void EntityLatticeTestComponent::SetLatticeDimensions(uint32_t width, uint32_t depth, uint32_t height)
- {
- m_latticeWidth = AZ::GetClamp<int32_t>(width, 1, m_latticeSizeMax);
- m_latticeHeight = AZ::GetClamp<int32_t>(height, 1, m_latticeSizeMax);
- m_latticeDepth = AZ::GetClamp<int32_t>(depth, 1, m_latticeSizeMax);
- }
- void EntityLatticeTestComponent::SetLatticeSpacing( float spaceX, float spaceY, float spaceZ)
- {
- m_spacingX = AZ::GetClamp<float>(spaceX, s_spacingMin, s_spacingMax);
- m_spacingY = AZ::GetClamp<float>(spaceY, s_spacingMin, s_spacingMax);
- m_spacingZ = AZ::GetClamp<float>(spaceZ, s_spacingMin, s_spacingMax);
- }
- void EntityLatticeTestComponent::SetLatticeEntityScale(float scale)
- {
- m_entityScale = AZ::GetClamp<float>(scale, s_entityScaleMin, s_entityScaleMax);
- }
- void EntityLatticeTestComponent::SetIBLExposure(float exposure)
- {
- m_defaultIbl.SetExposure(exposure);
- }
-
- void EntityLatticeTestComponent::RenderImGuiLatticeControls()
- {
- bool latticeChanged = false;
- ImGui::Text("Lattice Width");
- latticeChanged |= ScriptableImGui::SliderInt("##LatticeWidth", &m_latticeWidth, 1, m_latticeSizeMax);
- ImGui::Spacing();
- ImGui::Text("Lattice Height");
- latticeChanged |= ScriptableImGui::SliderInt("##LatticeHeight", &m_latticeHeight, 1, m_latticeSizeMax);
- ImGui::Spacing();
- ImGui::Text("Lattice Depth");
- latticeChanged |= ScriptableImGui::SliderInt("##LatticeDepth", &m_latticeDepth, 1, m_latticeSizeMax);
- ImGui::Spacing();
- ImGui::Separator();
- ImGui::Spacing();
- ImGui::Text("Lattice Spacing X");
- latticeChanged |= ScriptableImGui::SliderFloat("##LatticeSpaceX", &m_spacingX, 0.5, s_spacingMax);
- ImGui::Spacing();
- ImGui::Text("Lattice Spacing Y");
- latticeChanged |= ScriptableImGui::SliderFloat("##LatticeSpaceY", &m_spacingY, 0.5, s_spacingMax);
- ImGui::Spacing();
- ImGui::Text("Lattice Spacing Z");
- latticeChanged |= ScriptableImGui::SliderFloat("##LatticeSpaceZ", &m_spacingZ, 0.5, s_spacingMax);
- ImGui::Spacing();
- ImGui::Separator();
- ImGui::Spacing();
- ImGui::Text("Entity Scale");
- latticeChanged |= ScriptableImGui::SliderFloat("##EntityScale", &m_entityScale, 0.01, s_entityScaleMax);
- if (latticeChanged)
- {
- RebuildLattice();
- }
- }
- } // namespace AtomSampleViewer
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