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#include "MapSingleton.hpp"
#include <godot_cpp/variant/utility_functions.hpp>
#include <godot_cpp/classes/file_access.hpp>
#include <godot_cpp/classes/json.hpp>
using namespace godot;
using namespace OpenVic2;
MapSingleton* MapSingleton::singleton = nullptr;
void MapSingleton::_bind_methods() {
ClassDB::bind_method(D_METHOD("load_province_identifier_file", "file_path"), &MapSingleton::load_province_identifier_file);
ClassDB::bind_method(D_METHOD("load_province_shape_file", "file_path"), &MapSingleton::load_province_shape_file);
ClassDB::bind_method(D_METHOD("get_province_shape_image"), &MapSingleton::get_province_shape_image);
ClassDB::bind_method(D_METHOD("get_province_identifier_from_colour", "colour"), &MapSingleton::get_province_identifier_from_colour);
}
MapSingleton* MapSingleton::get_singleton() {
return singleton;
}
MapSingleton::MapSingleton() {
ERR_FAIL_COND(singleton != nullptr);
singleton = this;
}
MapSingleton::~MapSingleton() {
ERR_FAIL_COND(singleton != this);
singleton = nullptr;
}
Error MapSingleton::load_province_identifier_file(String const& file_path) {
UtilityFunctions::print("Loading identifier file: ", file_path);
Ref<FileAccess> file = FileAccess::open(file_path, FileAccess::ModeFlags::READ);
Error err = FileAccess::get_open_error();
if (err != OK || file.is_null()) {
UtilityFunctions::push_error("Failed to load province identifier file: ", file_path);
return err == OK ? FAILED : err;
}
String json_string = file->get_as_text();
Ref<JSON> json;
json.instantiate();
err = json->parse(json_string);
if (err) {
UtilityFunctions::push_error("Failed to parse province identifier file as JSON: ", file_path,
"\nError at line ", json->get_error_line(), ": ", json->get_error_message());
return err;
}
Variant json_var = json->get_data();
Variant::Type type = json_var.get_type();
if (type != Variant::DICTIONARY) {
UtilityFunctions::push_error("Invalid province identifier JSON: root has type ",
Variant::get_type_name(type), " (expected Dictionary)");
return FAILED;
}
Dictionary prov_dict = json_var;
Array prov_identifiers = prov_dict.keys();
for (int idx = 0; idx < prov_identifiers.size(); ++idx) {
String const& identifier = prov_identifiers[idx];
Variant const& colour_var = prov_dict[identifier];
if (identifier.is_empty()) {
UtilityFunctions::push_error("Empty province identifier with colour: ", colour_var);
err = FAILED;
continue;
}
static const String prov_prefix = "prov_";
if (!identifier.begins_with(prov_prefix))
UtilityFunctions::push_warning("Province identifier missing prefix: ", identifier);
type = colour_var.get_type();
Province::colour_t colour = Province::NULL_COLOUR;
if (type == Variant::ARRAY) {
Array colour_array = colour_var;
if (colour_array.size() == 3) {
for (int jdx = 0; jdx < 3; ++jdx) {
Variant var = colour_array[jdx];
if (var.get_type() != Variant::FLOAT) {
colour = Province::NULL_COLOUR;
break;
}
double colour_double = var;
if (std::trunc(colour_double) != colour_double) {
colour = Province::NULL_COLOUR;
break;
}
int64_t colour_int = static_cast<int64_t>(colour_double);
if (colour_int < 0 || colour_int > 255) {
colour = Province::NULL_COLOUR;
break;
}
colour = (colour << 8) | colour_int;
}
}
} else if (type == Variant::STRING) {
String colour_string = colour_var;
if (colour_string.is_valid_hex_number()) {
int64_t colour_int = colour_string.hex_to_int();
if (0 <= colour_int && colour_int <= 0xFFFFFF)
colour = colour_int;
}
}
if (colour == Province::NULL_COLOUR) {
UtilityFunctions::push_error("Invalid province identifier colour for ", identifier, ": ", colour_var);
err = FAILED;
continue;
}
std::string error_message;
if (map.add_province(identifier.utf8().get_data(), colour, error_message)) {
UtilityFunctions::print(error_message.c_str());
} else {
UtilityFunctions::push_error(error_message.c_str());
err = FAILED;
}
}
return err;
}
String MapSingleton::get_province_identifier_from_colour(Province::colour_t colour) {
const Province* province = map.get_province_by_colour(colour);
if (province) return province->get_identifier().c_str();
else return String{};
}
Error MapSingleton::load_province_shape_file(String const& file_path) {
if (province_shape_image.is_valid()) {
UtilityFunctions::push_error("Province shape file has already been loaded, cannot load: ", file_path);
return FAILED;
}
province_shape_image.instantiate();
Error err = province_shape_image->load(file_path);
if (err != OK) {
UtilityFunctions::push_error("Failed to load province shape file: ", file_path);
province_shape_image.unref();
return err;
}
int32_t width = province_shape_image->get_width();
int32_t height = province_shape_image->get_height();
if (width < 1 || height < 1) {
UtilityFunctions::push_error("Invalid dimensions (", width, "x", height, ") for province shape file: ", file_path);
err = FAILED;
}
static const Image::Format expected_format = Image::Format::FORMAT_RGB8;
Image::Format format = province_shape_image->get_format();
if (format != expected_format) {
UtilityFunctions::push_error("Invalid format (", format, ", should be ", expected_format, ") for province shape file: ", file_path);
err = FAILED;
}
if (err) {
province_shape_image.unref();
return err;
}
return err;
}
Ref<Image> MapSingleton::get_province_shape_image() const {
return province_shape_image;
}
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