mirror of
https://github.com/seekrs/MacroLibX.git
synced 2026-01-11 22:53:34 +00:00
108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* TextDescriptor.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maldavid <kbz_8.dev@akel-engine.com> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/01/11 00:23:11 by maldavid #+# #+# */
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/* Updated: 2024/04/24 01:38:40 by maldavid ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <Preompiled.h>
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#include <Renderer/Images/TextureAtlas.h>
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#include <Renderer/Texts/TextDescriptor.h>
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#include <Renderer/Texts/Font.h>
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#include <Renderer/Texts/Text.h>
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#define STB_RECT_PACK_IMPLEMENTATION
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#include <stb_rect_pack.h>
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#include <Core/Memory.h>
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#define STB_TRUETYPE_IMPLEMENTATION
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#define STB_malloc(x, u) ((void)(u), MemManager::Malloc(x))
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#define STB_free(x, u) ((void)(u), MemManager::Free(x))
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#include <stb_truetype.h>
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constexpr const int RANGE = 1024;
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namespace mlx
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{
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TextDrawDescriptor::TextDrawDescriptor(std::string text, std::uint32_t _color, int _x, int _y) : color(_color), x(_x), y(_y), m_text(std::move(text))
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{}
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void TextDrawDescriptor::Init(FontID font) noexcept
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{
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MLX_PROFILE_FUNCTION();
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std::vector<Vertex> vertex_data;
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std::vector<std::uint16_t> index_data;
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float stb_x = 0.0f;
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float stb_y = 0.0f;
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{
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std::shared_ptr<Font> font_data = FontLibrary::Get().GetFontData(font);
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for(char c : m_text)
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{
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if(c < 32)
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continue;
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stbtt_aligned_quad q;
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stbtt_GetPackedQuad(font_data->GetCharData().data(), RANGE, RANGE, c - 32, &stb_x, &stb_y, &q, 1);
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std::size_t index = vertex_data.size();
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glm::vec4 vertex_color = {
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static_cast<float>((color & 0x000000FF)) / 255.f,
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static_cast<float>((color & 0x0000FF00) >> 8) / 255.f,
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static_cast<float>((color & 0x00FF0000) >> 16) / 255.f,
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static_cast<float>((color & 0xFF000000) >> 24) / 255.f
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};
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vertex_data.emplace_back(glm::vec2{q.x0, q.y0}, vertex_color, glm::vec2{q.s0, q.t0});
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vertex_data.emplace_back(glm::vec2{q.x1, q.y0}, vertex_color, glm::vec2{q.s1, q.t0});
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vertex_data.emplace_back(glm::vec2{q.x1, q.y1}, vertex_color, glm::vec2{q.s1, q.t1});
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vertex_data.emplace_back(glm::vec2{q.x0, q.y1}, vertex_color, glm::vec2{q.s0, q.t1});
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index_data.emplace_back(index + 0);
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index_data.emplace_back(index + 1);
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index_data.emplace_back(index + 2);
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index_data.emplace_back(index + 2);
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index_data.emplace_back(index + 3);
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index_data.emplace_back(index + 0);
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}
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}
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std::shared_ptr<Text> text_data = std::make_shared<Text>();
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text_data->Init(m_text, font, color, std::move(vertex_data), std::move(index_data));
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id = TextLibrary::Get().AddTextToLibrary(text_data);
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DebugLog("Text put : registered new text to render");
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}
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void TextDrawDescriptor::Render(Renderer& renderer)
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{
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MLX_PROFILE_FUNCTION();
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std::shared_ptr<Text> draw_data = TextLibrary::Get().GetTextData(id);
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std::shared_ptr<Font> font_data = FontLibrary::Get().GetFontData(draw_data->GetFontInUse());
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TextureAtlas& atlas = const_cast<TextureAtlas&>(font_data->GetAtlas());
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draw_data->Bind(renderer);
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if(!atlas.GetSet().IsInit())
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atlas.SetDescriptor(renderer.GetFragDescriptorSet().Duplicate());
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if(!atlas.HasBeenUpdated())
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atlas.UpdateSet(0);
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atlas.GetSet().Bind();
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atlas.Render(renderer, x, y, draw_data->GetIBOsize());
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}
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void TextDrawDescriptor::ResetUpdate()
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{
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std::shared_ptr<Text> draw_data = TextLibrary::Get().GetTextData(id);
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std::shared_ptr<Font> font_data = FontLibrary::Get().GetFontData(draw_data->GetFontInUse());
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TextureAtlas& atlas = const_cast<TextureAtlas&>(font_data->GetAtlas());
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atlas.ResetUpdate();
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}
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}
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