118 lines
2.9 KiB
C++
118 lines
2.9 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 <cassert>
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#include <Nazara/Graphics/Debug.hpp>
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namespace Nz
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{
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inline const Color& Billboard::GetColor() const
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{
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return m_color;
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}
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inline const Color& Billboard::GetCornerColor(RectCorner corner) const
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{
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return m_cornerColor[corner];
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}
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inline RadianAnglef Billboard::GetRotation() const
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{
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return m_rotation;
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}
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inline const Rectf& Billboard::GetTextureCoords() const
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{
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return m_textureCoords;
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}
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inline const Vector2f& Billboard::GetSize() const
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{
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return m_size;
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}
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inline void Billboard::SetColor(const Color& color)
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{
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m_color = color;
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UpdateVertices();
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}
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inline void Billboard::SetCornerColor(RectCorner corner, const Color& color)
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{
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m_cornerColor[corner] = color;
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UpdateVertices();
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}
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inline void Billboard::SetMaterial(std::shared_ptr<MaterialInstance> material)
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{
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assert(material);
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if (m_material != material)
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{
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OnMaterialInvalidated(this, 0, material);
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m_material = std::move(material);
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OnElementInvalidated(this);
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}
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}
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inline void Billboard::SetRotation(RadianAnglef rotation)
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{
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m_rotation = rotation;
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UpdateVertices();
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}
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inline void Billboard::SetSize(const Vector2f& size)
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{
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m_size = size;
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UpdateVertices();
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}
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inline void Billboard::SetTextureCoords(const Rectf& textureCoords)
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{
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m_textureCoords = textureCoords;
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UpdateVertices();
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}
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inline void Billboard::SetTextureRect(const Rectf& textureRect)
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{
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Vector2f invTextureSize = 1.f / Vector2f(Vector2ui(GetTextureSize()));
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return SetTextureCoords(Rectf(textureRect.x * invTextureSize.x, textureRect.y * invTextureSize.y, textureRect.width * invTextureSize.x, textureRect.height * invTextureSize.y));
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}
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inline void Billboard::UpdateVertices()
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{
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VertexStruct_UV_SizeSinCos_Color* vertices = m_vertices.data();
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EnumArray<RectCorner, Vector2f> cornerExtent;
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cornerExtent[RectCorner::LeftBottom] = Vector2f(0.f, 0.f);
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cornerExtent[RectCorner::RightBottom] = Vector2f(1.f, 0.f);
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cornerExtent[RectCorner::LeftTop] = Vector2f(0.f, 1.f);
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cornerExtent[RectCorner::RightTop] = Vector2f(1.f, 1.f);
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auto [sin, cos] = m_rotation.GetSinCos();
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for (RectCorner corner : { RectCorner::LeftBottom, RectCorner::RightBottom, RectCorner::LeftTop, RectCorner::RightTop })
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{
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vertices->color = m_color * m_cornerColor[corner];
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vertices->sizeSinCos = Vector4f(m_size.x, m_size.y, sin, cos);
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vertices->uv = m_textureCoords.GetCorner(corner);
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vertices++;
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}
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Vector2f halfSize = m_size * 0.5f;
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float maxExtent = std::max(halfSize.x, halfSize.y);
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UpdateAABB(Boxf(-maxExtent, -maxExtent, -maxExtent, maxExtent * 2.0f, maxExtent * 2.0f, maxExtent * 2.0f));
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OnElementInvalidated(this);
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}
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}
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#include <Nazara/Graphics/DebugOff.hpp>
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