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168 lines
3.8 KiB
168 lines
3.8 KiB
/* |
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* Copyright (C) 2022 Riyyi |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <limits> // std::numeric_limits |
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#include <string> // std::getline, std::stoi |
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#include <utility> // std::move |
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#include "ruc/file.h" |
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#include "ruc/format/log.h" |
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#include "ruc/meta/assert.h" |
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#include "inferno/render/font.h" |
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#include "inferno/render/texture.h" |
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#include "inferno/util/integer.h" |
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namespace Inferno { |
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Font::Font(const std::string& name) |
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: m_name(std::move(name)) |
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{ |
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std::string path = name + ".fnt"; |
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std::string image = name + ".png"; |
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std::string font = ruc::File(path).data(); |
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parseFont(font); |
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m_texture = std::make_shared<Texture>(image); |
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} |
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void Font::parseFont(const std::string& font) |
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{ |
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std::istringstream iss(font); |
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for (std::string line; std::getline(iss, line);) { |
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if (findAction(line).compare("info") != 0 && findAction(line).compare("char") != 0) { |
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continue; |
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} |
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const std::vector<std::string> columns = findColumns(line); |
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// Info |
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if (findAction(line).compare("info") == 0) { |
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m_size = std::stou(findValue("size", columns)); |
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continue; |
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} |
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// Character |
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unsigned char id = std::stoi(findValue("id", columns)); |
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Character character = { |
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{ std::stou(findValue("x", columns)), std::stou(findValue("y", columns)) }, |
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{ std::stou(findValue("width", columns)), std::stou(findValue("height", columns)) }, |
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{ std::stoi(findValue("xoffset", columns)), std::stoi(findValue("yoffset", columns)) }, |
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std::stou(findValue("xadvance", columns)) |
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}; |
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m_characterList.emplace(id, std::make_shared<Character>(character)); |
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} |
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} |
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const std::string Font::findAction(const std::string& line) |
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{ |
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return line.substr(0, line.find(" ")); |
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} |
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const std::vector<std::string> Font::findColumns(const std::string& line) |
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{ |
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std::vector<std::string> elements; |
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size_t index = 0; |
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size_t find = 0; |
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size_t findFirstNotOf = 0; |
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// Loop over line characters |
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while (find != std::string::npos) { |
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find = line.find(" ", index); |
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findFirstNotOf = line.find_first_not_of(" ", index); |
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// Add element |
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if (find > findFirstNotOf) { |
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elements.push_back(line.substr(index, find - findFirstNotOf)); |
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index += 1 + find - findFirstNotOf; |
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} |
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// Skip double spaces |
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else { |
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index = findFirstNotOf; |
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} |
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} |
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VERIFY(!elements.empty(), "Font file did not find any columns"); |
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return elements; |
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} |
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const std::string Font::findValue(const std::string& key, const std::vector<std::string>& columns) |
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{ |
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size_t find = 0; |
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// Loop over columns |
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for (auto& column : columns) { |
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find = column.find(key + "="); |
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if (find != std::string::npos) { |
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return column.substr(key.length() + 1); |
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} |
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} |
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VERIFY(false, "Font file did not contain key '{}'", key); |
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return ""; |
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} |
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// ----------------------------------------- |
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FontManager::FontManager(s) |
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{ |
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ruc::info("FontManager initialized"); |
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} |
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FontManager::~FontManager() |
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{ |
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} |
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void FontManager::add(const std::string& name, std::shared_ptr<Font> font) |
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{ |
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// Construct (key, value) pair and insert it into the unordered_map |
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m_fontList.emplace(std::move(name), std::move(font)); |
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} |
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std::shared_ptr<Font> FontManager::load(const std::string& name) |
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{ |
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if (exists(name)) { |
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return get(name); |
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} |
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std::shared_ptr<Font> font = std::make_shared<Font>(name); |
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add(name, font); |
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return get(name); |
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} |
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std::shared_ptr<Font> FontManager::get(const std::string& name) |
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{ |
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return exists(name) ? m_fontList.at(name) : nullptr; |
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} |
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bool FontManager::exists(const std::string& name) |
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{ |
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return m_fontList.find(name) != m_fontList.end(); |
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} |
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void FontManager::remove(const std::string& name) |
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{ |
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if (exists(name)) { |
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m_fontList.erase(name); |
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} |
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} |
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void FontManager::remove(std::shared_ptr<Font> font) |
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{ |
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if (exists(font->name())) { |
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m_fontList.erase(font->name()); |
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} |
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} |
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} // namespace Inferno |
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void ruc::format::Formatter<glm::ivec2>::format(Builder& builder, glm::ivec2 value) const |
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{ |
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return Formatter<std::vector<int32_t>>::format(builder, { value.x, value.y }); |
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}
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