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68 lines
2.0 KiB
68 lines
2.0 KiB
#include <fmt/core.h>
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#include "palette.hpp"
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#include "config.hpp"
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#include "dbc.hpp"
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namespace palette {
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using std::string;
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using nlohmann::json;
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struct PaletteMgr {
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std::unordered_map<string, sf::Color> palettes;
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std::string config;
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std::unordered_map<string, string> pending_refs;
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bool initialized = false;
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};
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static PaletteMgr COLOR;
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void init(const string &json_file) {
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if(!COLOR.initialized) {
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COLOR.initialized = true;
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COLOR.config = json_file;
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Config config(json_file);
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json& colors = config.json();
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for(auto [key, value_specs] : colors.items()) {
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const string& base_key = key;
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for(auto [value, rgba] : value_specs.items()) {
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auto color_path = base_key + ":" + value;
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dbc::check(!COLOR.palettes.contains(color_path),
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fmt::format("PALLETES config {} already has a color path {}", COLOR.config, color_path));
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if(rgba.type() == json::value_t::string) {
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COLOR.pending_refs.try_emplace(color_path, rgba);
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} else {
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uint8_t alpha = rgba.size() == 3 ? 255 : (uint8_t)rgba[3];
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sf::Color color{rgba[0], rgba[1], rgba[2], alpha};
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COLOR.palettes.try_emplace(color_path, color);
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}
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}
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}
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}
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for(auto [color_path, ref] : COLOR.pending_refs) {
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dbc::check(COLOR.palettes.contains(ref),
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fmt::format("In {} you have {} referring to {} but {} doesn't exist.",
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COLOR.config, color_path, ref, ref));
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dbc::check(!COLOR.palettes.contains(color_path),
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fmt::format("Color {} with ref {} is duplicated.", color_path, ref));
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auto color = COLOR.palettes.at(ref);
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COLOR.palettes.try_emplace(color_path, color);
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}
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}
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sf::Color get(const string& key) {
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dbc::check(COLOR.palettes.contains(key),
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fmt::format("COLOR {} is missing from {}", key, COLOR.config));
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return COLOR.palettes.at(key);
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}
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sf::Color get(const string& key, const string& value) {
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return get(key + ":" + value);
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}
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}
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