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Graphics: Add Billboard support

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This commit is contained in:
SirLynix
2023-11-25 15:52:58 +01:00
parent 4cbb5b91a3
commit 1ac992b5c7
12 changed files with 472 additions and 98 deletions
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1
include/Nazara/Graphics.hpp
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@@ -32,6 +32,7 @@
#include <Nazara/Graphics/AbstractViewer.hpp>
#include <Nazara/Graphics/Algorithm.hpp>
#include <Nazara/Graphics/BakedFrameGraph.hpp>
#include <Nazara/Graphics/Billboard.hpp>
#include <Nazara/Graphics/Camera.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/DebugDrawPipelinePass.hpp>

66
include/Nazara/Graphics/Billboard.hpp Normal file
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@@ -0,0 +1,66 @@
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_GRAPHICS_BILLBOARD_HPP
#define NAZARA_GRAPHICS_BILLBOARD_HPP
#include <NazaraUtils/Prerequisites.hpp>
#include <Nazara/Graphics/Config.hpp>
#include <Nazara/Graphics/InstancedRenderable.hpp>
#include <Nazara/Renderer/RenderPipeline.hpp>
#include <Nazara/Utility/VertexDeclaration.hpp>
#include <Nazara/Utility/VertexStruct.hpp>
#include <array>
namespace Nz
{
class NAZARA_GRAPHICS_API Billboard : public InstancedRenderable
{
public:
Billboard(std::shared_ptr<MaterialInstance> material);
Billboard(std::shared_ptr<MaterialInstance> material, const Vector2f& size);
Billboard(const Billboard&) = delete;
Billboard(Billboard&&) noexcept = default;
~Billboard() = default;
void BuildElement(ElementRendererRegistry& registry, const ElementData& elementData, std::size_t passIndex, std::vector<RenderElementOwner>& elements) const override;
inline const Color& GetColor() const;
inline const Color& GetCornerColor(RectCorner corner) const;
const std::shared_ptr<MaterialInstance>& GetMaterial(std::size_t i = 0) const override;
std::size_t GetMaterialCount() const override;
inline RadianAnglef GetRotation() const;
inline const Vector2f& GetSize() const;
inline const Rectf& GetTextureCoords() const;
Vector3ui GetTextureSize() const;
inline void SetColor(const Color& color);
inline void SetCornerColor(RectCorner corner, const Color& color);
inline void SetMaterial(std::shared_ptr<MaterialInstance> material);
inline void SetRotation(RadianAnglef rotation);
inline void SetSize(const Vector2f& size);
inline void SetTextureCoords(const Rectf& textureCoords);
inline void SetTextureRect(const Rectf& textureRect);
Billboard& operator=(const Billboard&) = delete;
Billboard& operator=(Billboard&&) noexcept = default;
private:
inline void UpdateVertices();
std::array<VertexStruct_UV_SizeSinCos_Color, 4> m_vertices;
std::shared_ptr<MaterialInstance> m_material;
Color m_color;
EnumArray<RectCorner, Color> m_cornerColor;
RadianAnglef m_rotation;
Rectf m_textureCoords;
Vector2f m_size;
};
}
#include <Nazara/Graphics/Billboard.inl>
#endif // NAZARA_GRAPHICS_BILLBOARD_HPP

117
include/Nazara/Graphics/Billboard.inl Normal file
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@@ -0,0 +1,117 @@
// Copyright (C) 2023 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Graphics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <cassert>
#include <Nazara/Graphics/Debug.hpp>
namespace Nz
{
inline const Color& Billboard::GetColor() const
{
return m_color;
}
inline const Color& Billboard::GetCornerColor(RectCorner corner) const
{
return m_cornerColor[corner];
}
inline RadianAnglef Billboard::GetRotation() const
{
return m_rotation;
}
inline const Rectf& Billboard::GetTextureCoords() const
{
return m_textureCoords;
}
inline const Vector2f& Billboard::GetSize() const
{
return m_size;
}
inline void Billboard::SetColor(const Color& color)
{
m_color = color;
UpdateVertices();
}
inline void Billboard::SetCornerColor(RectCorner corner, const Color& color)
{
m_cornerColor[corner] = color;
UpdateVertices();
}
inline void Billboard::SetMaterial(std::shared_ptr<MaterialInstance> material)
{
assert(material);
if (m_material != material)
{
OnMaterialInvalidated(this, 0, material);
m_material = std::move(material);
OnElementInvalidated(this);
}
}
inline void Billboard::SetRotation(RadianAnglef rotation)
{
m_rotation = rotation;
UpdateVertices();
}
inline void Billboard::SetSize(const Vector2f& size)
{
m_size = size;
UpdateVertices();
}
inline void Billboard::SetTextureCoords(const Rectf& textureCoords)
{
m_textureCoords = textureCoords;
UpdateVertices();
}
inline void Billboard::SetTextureRect(const Rectf& textureRect)
{
Vector2f invTextureSize = 1.f / Vector2f(Vector2ui(GetTextureSize()));
return SetTextureCoords(Rectf(textureRect.x * invTextureSize.x, textureRect.y * invTextureSize.y, textureRect.width * invTextureSize.x, textureRect.height * invTextureSize.y));
}
inline void Billboard::UpdateVertices()
{
VertexStruct_UV_SizeSinCos_Color* vertices = m_vertices.data();
EnumArray<RectCorner, Vector2f> cornerExtent;
cornerExtent[RectCorner::LeftBottom] = Vector2f(0.f, 0.f);
cornerExtent[RectCorner::RightBottom] = Vector2f(1.f, 0.f);
cornerExtent[RectCorner::LeftTop] = Vector2f(0.f, 1.f);
cornerExtent[RectCorner::RightTop] = Vector2f(1.f, 1.f);
auto [sin, cos] = m_rotation.GetSinCos();
for (RectCorner corner : { RectCorner::LeftBottom, RectCorner::RightBottom, RectCorner::LeftTop, RectCorner::RightTop })
{
vertices->color = m_color * m_cornerColor[corner];
vertices->sizeSinCos = Vector4f(m_size.x, m_size.y, sin, cos);
vertices->uv = m_textureCoords.GetCorner(corner);
vertices++;
}
Vector2f halfSize = m_size * 0.5f;
float maxExtent = std::max(halfSize.x, halfSize.y);
UpdateAABB(Boxf(-maxExtent, -maxExtent, -maxExtent, maxExtent * 2.0f, maxExtent * 2.0f, maxExtent * 2.0f));
OnElementInvalidated(this);
}
}
#include <Nazara/Graphics/DebugOff.hpp>

3
include/Nazara/Utility/Enums.hpp
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@@ -390,6 +390,7 @@ namespace Nz
JointWeights,
Normal,
Position,
SizeSinCos,
Tangent,
TexCoord,
Userdata,
@@ -406,6 +407,7 @@ namespace Nz
enum class VertexLayout
{
// Predefined declarations for rendering
UV_SizeSinCos,
XY,
XY_Color,
XY_UV,
@@ -416,6 +418,7 @@ namespace Nz
XYZ_Normal_UV,
XYZ_Normal_UV_Tangent,
XYZ_Normal_UV_Tangent_Skinning,
UV_SizeSinCos_Color,
XYZ_UV,
// Predefined declarations for instancing

11
include/Nazara/Utility/VertexStruct.hpp
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@@ -68,6 +68,17 @@ namespace Nz
Vector3f tangent;
};
struct VertexStruct_UV_SizeSinCos
{
Vector2f uv;
Vector4f sizeSinCos; //< width, height, sin, cos
};
struct VertexStruct_UV_SizeSinCos_Color : VertexStruct_UV_SizeSinCos
{
Color color;
};
struct VertexStruct_XYZ_UV : VertexStruct_XYZ
{
Vector2f uv;