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#include "../include/ResourceLoader.hpp"
#include "../include/Program.hpp"
#include "../include/Path.hpp"
#include "../include/StringUtils.hpp"
#include "../include/Config.hpp"
#include <mglpp/graphics/Font.hpp>
#include <mglpp/graphics/Texture.hpp>
#include <mglpp/system/MemoryMappedFile.hpp>
#include <array>
#include <unordered_map>
#include <malloc.h>
#include <assert.h>
static std::string resource_root;
static std::array<std::unique_ptr<mgl::MemoryMappedFile>, 4> font_file_cache;
// font_cache[(unsigned int)font_type][character_size]
static std::array<std::unordered_map<unsigned int, std::unique_ptr<mgl::Font>>, 4> font_cache;
static std::unordered_map<std::string, std::unique_ptr<mgl::Texture>> texture_cache;
namespace QuickMedia {
void set_resource_loader_root_path(const char *new_resource_root) {
resource_root = new_resource_root;
}
const char* get_resource_loader_root_path() {
return resource_root.c_str();
}
static int accumulate_string(char *data, int size, void *userdata) {
std::string *str = (std::string*)userdata;
if(str->size() + size > 1024 * 1024 * 100) // 100mb sane limit, TODO: make configurable
return 1;
str->append(data, size);
return 0;
}
// If absolute, use the path; otherwise use fc-match to find the font
static bool find_font(const std::string &font_name, std::string &font_filepath_result) {
if(get_config().font.latin.find('/') != std::string::npos) {
font_filepath_result = font_name;
return true;
}
std::string output;
const char *args[] = { "fc-match", font_name.c_str(), "file", nullptr };
if(exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
output = strip(output);
font_filepath_result = output.substr(6);
return true;
}
return false;
}
}
namespace QuickMedia::FontLoader {
mgl::Font* get_font(FontType font_type, unsigned int character_size) {
// Make mgl font size match sfml font size
character_size += 5;
mgl::MemoryMappedFile *mapped_file = font_file_cache[(unsigned int)font_type].get();
if(!mapped_file) {
std::vector<std::string> noto_directories;
std::string font_file_name;
std::string found_font_filepath;
std::string output;
switch(font_type) {
case FontType::LATIN: {
const char *args[] = { "fc-match", "sans:lang=en", "file", nullptr };
if(get_config().use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else if(!get_config().font.latin.empty() && find_font(get_config().font.latin, found_font_filepath)) {
const Path font_path = found_font_filepath;
noto_directories.push_back(font_path.parent().data);
font_file_name = font_path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSans-Regular.ttf";
}
break;
}
case FontType::LATIN_BOLD: {
const char *args[] = { "fc-match", "sans:bold:lang=en", "file", nullptr };
if(get_config().use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else if(!get_config().font.latin_bold.empty() && find_font(get_config().font.latin_bold, found_font_filepath)) {
const Path font_path = found_font_filepath;
noto_directories.push_back(font_path.parent().data);
font_file_name = font_path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSans-Bold.ttf";
}
break;
}
case FontType::CJK: {
const char *args[] = { "fc-match", "sans:lang=ja", "file", nullptr };
if(get_config().use_system_fonts && exec_program(args, accumulate_string, &output) == 0 && output.size() > 6) {
Path path = strip(output.substr(6));
noto_directories.push_back(path.parent().data);
font_file_name = path.filename();
} else if(!get_config().font.cjk.empty() && find_font(get_config().font.cjk, found_font_filepath)) {
const Path font_path = found_font_filepath;
noto_directories.push_back(font_path.parent().data);
font_file_name = font_path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto-cjk");
noto_directories.push_back("/usr/share/fonts/truetype/noto-cjk");
font_file_name = "NotoSansCJK-Regular.ttc";
}
break;
}
case FontType::SYMBOLS: {
// TODO: Allow changing with system font setting
if(!get_config().font.symbols.empty() && find_font(get_config().font.symbols, found_font_filepath)) {
const Path font_path = found_font_filepath;
noto_directories.push_back(font_path.parent().data);
font_file_name = font_path.filename();
} else {
noto_directories.push_back("/usr/share/fonts/noto");
noto_directories.push_back("/usr/share/fonts/truetype/noto");
font_file_name = "NotoSansSymbols2-Regular.ttf";
}
break;
}
}
bool successfully_loaded_file = false;
auto new_memory_mapped_file = std::make_unique<mgl::MemoryMappedFile>();
for(const std::string ¬o_dir : noto_directories) {
if(new_memory_mapped_file->load((noto_dir + "/" + font_file_name).c_str(), mgl::MemoryMappedFile::LoadOptions{true, false})) {
successfully_loaded_file = true;
break;
}
}
if(!successfully_loaded_file) {
fprintf(stderr, "Warning: Failed to load font file: %s\n", font_file_name.c_str());
}
mapped_file = new_memory_mapped_file.get();
font_file_cache[(unsigned int)font_type] = std::move(new_memory_mapped_file);
}
if(!mapped_file->data()) {
return nullptr;
}
mgl::Font *font = font_cache[(unsigned int)font_type][character_size].get();
if(!font) {
auto new_font = std::make_unique<mgl::Font>();
if(!new_font->load_from_file(*mapped_file, character_size)) {
fprintf(stderr, "Warning: Failed to load font at character size %u\n", character_size);
}
font = new_font.get();
font_cache[(unsigned int)font_type][character_size] = std::move(new_font);
}
return font;
}
}
namespace QuickMedia::TextureLoader {
mgl::Texture* get_texture(const char *filepath, bool pixel_coordinates) {
assert(!resource_root.empty());
std::string str = filepath;
auto it = texture_cache.find(str);
if(it != texture_cache.end())
return it->second.get();
auto new_texture = std::make_unique<mgl::Texture>();
mgl::Texture *result = new_texture.get();
if(!new_texture->load_from_file((resource_root + str).c_str(), mgl::Texture::LoadOptions{ false, pixel_coordinates }))
fprintf(stderr, "Failed to load image: %s%s\n", resource_root.c_str(), filepath);
texture_cache[str] = std::move(new_texture);
malloc_trim(0);
return result;
}
}
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