77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Graphics/Sprite.hpp>
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#include <Nazara/Graphics/ElementRendererRegistry.hpp>
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#include <Nazara/Graphics/Graphics.hpp>
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#include <Nazara/Graphics/MaterialInstance.hpp>
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#include <Nazara/Graphics/RenderSpriteChain.hpp>
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#include <Nazara/Graphics/WorldInstance.hpp>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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Sprite::Sprite(std::shared_ptr<MaterialInstance> material) :
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m_material(std::move(material)),
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m_color(Color::White()),
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m_textureCoords(0.f, 0.f, 1.f, 1.f),
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m_origin(0.f, 0.f)
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{
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m_cornerColor.fill(Color::White());
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m_size = Vector2f(Vector2ui(GetTextureSize()));
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UpdateVertices();
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}
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void Sprite::BuildElement(ElementRendererRegistry& registry, const ElementData& elementData, std::size_t passIndex, std::vector<RenderElementOwner>& elements) const
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{
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const auto& materialPipeline = m_material->GetPipeline(passIndex);
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if (!materialPipeline)
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return;
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MaterialPassFlags passFlags = m_material->GetPassFlags(passIndex);
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const std::shared_ptr<VertexDeclaration>& vertexDeclaration = VertexDeclaration::Get(VertexLayout::XYZ_Color_UV);
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RenderPipelineInfo::VertexBufferData vertexBufferData = {
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0,
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vertexDeclaration
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};
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const auto& renderPipeline = materialPipeline->GetRenderPipeline(&vertexBufferData, 1);
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const auto& whiteTexture = Graphics::Instance()->GetDefaultTextures().whiteTextures[ImageType::E2D];
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elements.emplace_back(registry.AllocateElement<RenderSpriteChain>(GetRenderLayer(), m_material, passFlags, renderPipeline, *elementData.worldInstance, vertexDeclaration, whiteTexture, 1, m_vertices.data(), *elementData.scissorBox));
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}
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const std::shared_ptr<MaterialInstance>& Sprite::GetMaterial(std::size_t i) const
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{
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assert(i == 0);
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NazaraUnused(i);
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return m_material;
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}
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std::size_t Sprite::GetMaterialCount() const
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{
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return 1;
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}
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Vector3ui Sprite::GetTextureSize() const
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{
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assert(m_material);
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//TODO: Cache index in registry?
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if (const std::shared_ptr<Texture>* textureOpt = m_material->GetTextureProperty("BaseColorMap"))
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{
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// Material should always have textures but we're better safe than sorry
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if (const std::shared_ptr<Texture>& texture = *textureOpt)
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return texture->GetSize();
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}
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// Couldn't get material pass or texture
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return Vector3ui::Unit(); //< prevents division by zero
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}
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}
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