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Particle system improvements + Emissive materials

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Added option for Global particle positions
Added material property for particles
Added Emissive rendering
This commit is contained in:
Antoine Pilote
2023-09-23 20:31:50 -04:00
parent 50bc020f6e
commit 2cb0ca4f29
17 changed files with 242 additions and 26 deletions
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28
Nuake/src/Rendering/SceneRenderer.cpp
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@@ -16,10 +16,11 @@ namespace Nuake
const auto defaultResolution = Vector2(1920, 1080);
mGBuffer = CreateScope<FrameBuffer>(false, defaultResolution);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_DEPTH_COMPONENT), GL_DEPTH_ATTACHMENT);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT0);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT1);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT2);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT0); // Albedo
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB), GL_COLOR_ATTACHMENT1); //
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGBA), GL_COLOR_ATTACHMENT2); // Material + unlit
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RED_INTEGER, GL_R32I, GL_INT), GL_COLOR_ATTACHMENT3);
mGBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RED, GL_R16F, GL_FLOAT), GL_COLOR_ATTACHMENT4); // Emissive
mShadingBuffer = CreateScope<FrameBuffer>(true, defaultResolution);
mShadingBuffer->SetTexture(CreateRef<Texture>(defaultResolution, GL_RGB, GL_RGB16F, GL_FLOAT));
@@ -306,6 +307,8 @@ namespace Nuake
mGBuffer->Bind();
mGBuffer->Clear();
{
RenderCommand::Disable(RendererEnum::BLENDING);
// Init
RenderCommand::Enable(RendererEnum::FACE_CULL);
Shader* gBufferShader = ShaderManager::GetShader("resources/Shaders/gbuffer.shader");
@@ -349,6 +352,7 @@ namespace Nuake
Renderer::Flush(gBufferShader, false);
RenderCommand::Disable(RendererEnum::FACE_CULL);
// Sprites
auto spriteView = scene.m_Registry.view<TransformComponent, SpriteComponent, VisibilityComponent>();
for (auto& e : spriteView)
@@ -399,17 +403,27 @@ namespace Nuake
particleTransform = glm::inverse(mView);
// Translation
const Vector3& particleGlobalPosition = transform.GetGlobalPosition() + p.Position;
Vector3 particleGlobalPosition;
if (emitterComponent.GlobalSpace)
{
particleGlobalPosition = p.Position;
}
else
{
particleGlobalPosition = Vector3(initialTransform[3]) + p.Position;
}
particleTransform[3] = Vector4(particleGlobalPosition, 1.0f);
// Scale
particleTransform = glm::scale(particleTransform, transform.GetGlobalScale());
particleTransform = glm::scale(particleTransform, emitterComponent.ParticleScale);
Renderer::QuadMesh->GetMaterial()->data.u_HasAlbedo = 0;
Renderer::QuadMesh->GetMaterial()->data.m_AlbedoColor = p.Color;
Renderer::SubmitMesh(Renderer::QuadMesh, particleTransform, (uint32_t)e);
}
Renderer::QuadMesh->SetMaterial(emitterComponent.ParticleMaterial);
Renderer::Flush(gBufferShader, false);
Renderer::QuadMesh->GetMaterial()->data.m_AlbedoColor = oldColor;
}
@@ -446,6 +460,8 @@ namespace Nuake
}
}
}
RenderCommand::Enable(RendererEnum::BLENDING);
}
void SceneRenderer::ShadingPass(Scene& scene)
@@ -494,11 +510,13 @@ namespace Nuake
mGBuffer->GetTexture(GL_COLOR_ATTACHMENT0)->Bind(6);
mGBuffer->GetTexture(GL_COLOR_ATTACHMENT1)->Bind(7);
mGBuffer->GetTexture(GL_COLOR_ATTACHMENT2)->Bind(8);
mGBuffer->GetTexture(GL_COLOR_ATTACHMENT4)->Bind(10);
shadingShader->SetUniform1i("m_Depth", 5);
shadingShader->SetUniform1i("m_Albedo", 6);
shadingShader->SetUniform1i("m_Normal", 7);
shadingShader->SetUniform1i("m_Material", 8);
shadingShader->SetUniform1i("m_Emissive", 10);
RenderCommand::Disable(RendererEnum::FACE_CULL);