aboutsummaryrefslogtreecommitdiff
path: root/extension/src/GameSingleton.cpp
diff options
context:
space:
mode:
author Hop311 <hop3114@gmail.com>2023-04-23 20:49:01 +0200
committer Hop311 <hop3114@gmail.com>2023-04-23 20:49:01 +0200
commitd3f3187209cb4085f27f95ce8ad2a77af25704fd (patch)
tree60971db586e78761341f2b48110d149b1ba0db9d /extension/src/GameSingleton.cpp
parent1084a5d64df5d3465ef90b3b85fe3374636a3fe8 (diff)
C++ refactoring + simulation prototype
Diffstat (limited to 'extension/src/GameSingleton.cpp')
-rw-r--r--extension/src/GameSingleton.cpp449
1 files changed, 449 insertions, 0 deletions
diff --git a/extension/src/GameSingleton.cpp b/extension/src/GameSingleton.cpp
new file mode 100644
index 0000000..68eb252
--- /dev/null
+++ b/extension/src/GameSingleton.cpp
@@ -0,0 +1,449 @@
+#include "GameSingleton.hpp"
+
+#include <godot_cpp/variant/utility_functions.hpp>
+#include <godot_cpp/classes/file_access.hpp>
+#include <godot_cpp/classes/json.hpp>
+
+#include "openvic2/Logger.hpp"
+
+using namespace godot;
+using namespace OpenVic2;
+
+#define ERR(x) ((x) == SUCCESS ? OK : FAILED)
+
+GameSingleton* GameSingleton::singleton = nullptr;
+
+void GameSingleton::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("load_province_identifier_file", "file_path"), &GameSingleton::load_province_identifier_file);
+ ClassDB::bind_method(D_METHOD("load_water_province_file", "file_path"), &GameSingleton::load_water_province_file);
+ ClassDB::bind_method(D_METHOD("load_region_file", "file_path"), &GameSingleton::load_region_file);
+ ClassDB::bind_method(D_METHOD("load_province_shape_file", "file_path"), &GameSingleton::load_province_shape_file);
+ ClassDB::bind_method(D_METHOD("finished_loading_data"), &GameSingleton::finished_loading_data);
+
+ ClassDB::bind_method(D_METHOD("get_province_index_from_uv_coords", "coords"), &GameSingleton::get_province_index_from_uv_coords);
+ ClassDB::bind_method(D_METHOD("get_province_info_from_index", "index"), &GameSingleton::get_province_info_from_index);
+ ClassDB::bind_method(D_METHOD("get_width"), &GameSingleton::get_width);
+ ClassDB::bind_method(D_METHOD("get_height"), &GameSingleton::get_height);
+ ClassDB::bind_method(D_METHOD("get_province_index_image"), &GameSingleton::get_province_index_image);
+ ClassDB::bind_method(D_METHOD("get_province_colour_image"), &GameSingleton::get_province_colour_image);
+
+ ClassDB::bind_method(D_METHOD("update_colour_image"), &GameSingleton::update_colour_image);
+ ClassDB::bind_method(D_METHOD("get_mapmode_count"), &GameSingleton::get_mapmode_count);
+ ClassDB::bind_method(D_METHOD("get_mapmode_identifier", "index"), &GameSingleton::get_mapmode_identifier);
+ ClassDB::bind_method(D_METHOD("set_mapmode", "identifier"), &GameSingleton::set_mapmode);
+
+ ClassDB::bind_method(D_METHOD("expand_building", "province_index", "building_type_identifier"), &GameSingleton::expand_building);
+
+ ClassDB::bind_method(D_METHOD("set_paused", "paused"), &GameSingleton::set_paused);
+ ClassDB::bind_method(D_METHOD("toggle_paused"), &GameSingleton::toggle_paused);
+ ClassDB::bind_method(D_METHOD("is_paused"), &GameSingleton::is_paused);
+ ClassDB::bind_method(D_METHOD("increase_speed"), &GameSingleton::increase_speed);
+ ClassDB::bind_method(D_METHOD("decrease_speed"), &GameSingleton::decrease_speed);
+ ClassDB::bind_method(D_METHOD("can_increase_speed"), &GameSingleton::can_increase_speed);
+ ClassDB::bind_method(D_METHOD("can_decrease_speed"), &GameSingleton::can_decrease_speed);
+ ClassDB::bind_method(D_METHOD("get_longform_date"), &GameSingleton::get_longform_date);
+ ClassDB::bind_method(D_METHOD("try_tick"), &GameSingleton::try_tick);
+
+ ADD_SIGNAL(MethodInfo("state_updated"));
+}
+
+GameSingleton* GameSingleton::get_singleton() {
+ return singleton;
+}
+
+/* REQUIREMENTS:
+ * MAP-21, MAP-25
+ */
+GameSingleton::GameSingleton() : game_manager{ [this]() { emit_signal("state_updated"); } } {
+ ERR_FAIL_COND(singleton != nullptr);
+ singleton = this;
+
+ Logger::set_info_func([](std::string&& str) { UtilityFunctions::print(str.c_str()); });
+ Logger::set_error_func([](std::string&& str) { UtilityFunctions::push_error(str.c_str()); });
+
+ using mapmode_t = std::pair<std::string, Mapmode::colour_func_t>;
+ const std::vector<mapmode_t> mapmodes = {
+ { "mapmode_province", [](Map const&, Province const& province) -> Province::colour_t { return province.get_colour(); } },
+ { "mapmode_region", [](Map const&, Province const& province) -> Province::colour_t {
+ Region const* region = province.get_region();
+ if (region != nullptr) return region->get_colour();
+ return province.get_colour();
+ } },
+ { "mapmode_terrain", [](Map const&, Province const& province) -> Province::colour_t {
+ return province.is_water() ? 0x4287F5 : 0x0D7017;
+ } },
+ { "mapmode_index", [](Map const& map, Province const& province) -> Province::colour_t {
+ const uint8_t f = static_cast<float>(province.get_index()) / static_cast<float>(map.get_province_count()) * 255.0f;
+ return (f << 16) | (f << 8) | f;
+ } }
+ };
+ for (mapmode_t const& mapmode : mapmodes)
+ game_manager.map.add_mapmode(mapmode.first, mapmode.second);
+
+ using building_type_t = std::tuple<std::string, Building::level_t, Timespan>;
+ const std::vector<building_type_t> building_types = {
+ { "building_fort", 4, 8 }, { "building_naval_base", 6, 15 }, { "building_railroad", 5, 10 }
+ };
+ for (building_type_t const& type : building_types)
+ game_manager.building_manager.add_building_type(std::get<0>(type), std::get<1>(type), std::get<2>(type));
+
+}
+
+GameSingleton::~GameSingleton() {
+ ERR_FAIL_COND(singleton != this);
+ singleton = nullptr;
+}
+
+static Error load_json_file(String const& file_description, String const& file_path, Variant& result) {
+ result.clear();
+ UtilityFunctions::print("Loading ", file_description, " file: ", file_path);
+ const 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 ", file_description, " file: ", file_path);
+ return err == OK ? FAILED : err;
+ }
+ const String json_string = file->get_as_text();
+ JSON json;
+ err = json.parse(json_string);
+ if (err != OK) {
+ UtilityFunctions::push_error("Failed to parse ", file_description, " file as JSON: ", file_path,
+ "\nError at line ", json.get_error_line(), ": ", json.get_error_message());
+ return err;
+ }
+ result = json.get_data();
+ return err;
+}
+
+using parse_json_entry_func_t = std::function<godot::Error (godot::String const&, godot::Variant const&)>;
+
+static Error parse_json_dictionary_file(String const& file_description, String const& file_path,
+ String const& identifier_prefix, parse_json_entry_func_t parse_entry) {
+ Variant json_var;
+ Error err = load_json_file(file_description, file_path, json_var);
+ if (err != OK) return err;
+ const Variant::Type type = json_var.get_type();
+ if (type != Variant::DICTIONARY) {
+ UtilityFunctions::push_error("Invalid ", file_description, " JSON: root has type ",
+ Variant::get_type_name(type), " (expected Dictionary)");
+ return FAILED;
+ }
+ Dictionary const& dict = json_var;
+ const Array identifiers = dict.keys();
+ for (int64_t idx = 0; idx < identifiers.size(); ++idx) {
+ String const& identifier = identifiers[idx];
+ Variant const& entry = dict[identifier];
+ if (identifier.is_empty()) {
+ UtilityFunctions::push_error("Empty identifier in ", file_description, " file with entry: ", entry);
+ err = FAILED;
+ continue;
+ }
+ if (!identifier.begins_with(identifier_prefix))
+ UtilityFunctions::push_warning("Identifier in ", file_description, " file missing \"", identifier_prefix, "\" prefix: ", identifier);
+ if (parse_entry(identifier, entry) != OK) err = FAILED;
+ }
+ return err;
+}
+
+Error GameSingleton::_parse_province_identifier_entry(String const& identifier, Variant const& entry) {
+ const Variant::Type type = entry.get_type();
+ Province::colour_t colour = Province::NULL_COLOUR;
+ if (type == Variant::ARRAY) {
+ Array const& colour_array = entry;
+ if (colour_array.size() == 3) {
+ for (int jdx = 0; jdx < 3; ++jdx) {
+ Variant const& var = colour_array[jdx];
+ if (var.get_type() != Variant::FLOAT) {
+ colour = Province::NULL_COLOUR;
+ break;
+ }
+ const double colour_double = var;
+ if (std::trunc(colour_double) != colour_double) {
+ colour = Province::NULL_COLOUR;
+ break;
+ }
+ const 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 const& colour_string = entry;
+ if (colour_string.is_valid_hex_number()) {
+ const 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 colour for province identifier \"", identifier, "\": ", entry);
+ return FAILED;
+ }
+ return ERR(game_manager.map.add_province(identifier.utf8().get_data(), colour));
+}
+
+Error GameSingleton::load_province_identifier_file(String const& file_path) {
+ const Error err = parse_json_dictionary_file("province identifier", file_path, "prov_",
+ [this](String const& identifier, Variant const& entry) -> Error {
+ return _parse_province_identifier_entry(identifier, entry);
+ });
+ game_manager.map.lock_provinces();
+ return err;
+}
+
+Error GameSingleton::_parse_region_entry(String const& identifier, Variant const& entry) {
+ Error err = OK;
+ Variant::Type type = entry.get_type();
+ std::vector<std::string> province_identifiers;
+ if (type == Variant::ARRAY) {
+ Array const& province_array = entry;
+ for (int64_t idx = 0; idx < province_array.size(); ++idx) {
+ Variant const& province_var = province_array[idx];
+ type = province_var.get_type();
+ if (type == Variant::STRING) {
+ String const& province_string = province_var;
+ province_identifiers.push_back(province_string.utf8().get_data());
+ } else {
+ UtilityFunctions::push_error("Invalid province identifier for region \"", identifier, "\": ", entry);
+ err = FAILED;
+ }
+ }
+ }
+ if (province_identifiers.empty()) {
+ UtilityFunctions::push_error("Invalid province list for region \"", identifier, "\": ", entry);
+ return FAILED;
+ }
+ return ERR(game_manager.map.add_region(identifier.utf8().get_data(), province_identifiers));
+}
+
+Error GameSingleton::load_region_file(String const& file_path) {
+ const Error err = parse_json_dictionary_file("region", file_path, "region_",
+ [this](String const& identifier, Variant const& entry) -> Error {
+ return _parse_region_entry(identifier, entry);
+ });
+ game_manager.map.lock_regions();
+ return err;
+}
+
+Error GameSingleton::load_province_shape_file(String const& file_path) {
+ if (province_index_image.is_valid()) {
+ UtilityFunctions::push_error("Province shape file has already been loaded, cannot load: ", file_path);
+ return FAILED;
+ }
+ Ref<Image> province_shape_image;
+ 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);
+ 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 constexpr Image::Format expected_format = Image::FORMAT_RGB8;
+ const 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 != OK) return err;
+ err = ERR(game_manager.map.generate_province_index_image(width, height, province_shape_image->get_data().ptr()));
+
+ PackedByteArray index_data_array;
+ index_data_array.resize(width * height * sizeof(Province::index_t));
+ std::vector<Province::index_t> const& province_index_data = game_manager.map.get_province_index_image();
+ memcpy(index_data_array.ptrw(), province_index_data.data(), province_index_data.size());
+
+ province_index_image = Image::create_from_data(width, height, false, Image::FORMAT_RG8, index_data_array);
+ if (province_index_image.is_null()) {
+ UtilityFunctions::push_error("Failed to create province ID image");
+ err = FAILED;
+ }
+
+ if (update_colour_image() != OK) err = FAILED;
+
+ return err;
+}
+
+void GameSingleton::finished_loading_data() {
+ game_manager.finished_loading_data();
+}
+
+Error GameSingleton::load_water_province_file(String const& file_path) {
+ Variant json_var;
+ Error err = load_json_file("water province", file_path, json_var);
+ if (err != OK) return err;
+ Variant::Type type = json_var.get_type();
+ if (type != Variant::ARRAY) {
+ UtilityFunctions::push_error("Invalid water province JSON: root has type ",
+ Variant::get_type_name(type), " (expected Array)");
+ err = FAILED;
+ } else {
+ Array const& array = json_var;
+ for (int64_t idx = 0; idx < array.size(); ++idx) {
+ Variant const& entry = array[idx];
+ type = entry.get_type();
+ if (type != Variant::STRING) {
+ UtilityFunctions::push_error("Invalid water province identifier: ", entry);
+ err = FAILED;
+ continue;
+ }
+ String const& identifier = entry;
+ if (game_manager.map.set_water_province(identifier.utf8().get_data()) != SUCCESS)
+ err = FAILED;
+ }
+ }
+ game_manager.map.lock_water_provinces();
+ return err;
+}
+
+int32_t GameSingleton::get_province_index_from_uv_coords(Vector2 const& coords) const {
+ const size_t x_mod_w = UtilityFunctions::fposmod(coords.x, 1.0f) * get_width();
+ const size_t y_mod_h = UtilityFunctions::fposmod(coords.y, 1.0f) * get_height();
+ return game_manager.map.get_province_index_at(x_mod_w, y_mod_h);
+}
+
+#define KEY(x) static const StringName x##_key = #x;
+Dictionary GameSingleton::get_province_info_from_index(int32_t index) const {
+ Province const* province = game_manager.map.get_province_by_index(index);
+ if (province == nullptr) return {};
+ KEY(province) KEY(region) KEY(life_rating) KEY(buildings)
+ Dictionary ret;
+
+ ret[province_key] = province->get_identifier().c_str();
+
+ Region const* region = province->get_region();
+ if (region != nullptr) ret[region_key] = region->get_identifier().c_str();
+
+ ret[life_rating_key] = province->get_life_rating();
+
+ std::vector<Building> const& buildings = province->get_buildings();
+ if (!buildings.empty()) {
+ Array buildings_array;
+ buildings_array.resize(buildings.size());
+ for (size_t idx = 0; idx < buildings.size(); ++idx) {
+ KEY(building) KEY(level) KEY(expansion_state) KEY(start_date) KEY(end_date) KEY(expansion_progress)
+
+ Dictionary building_dict;
+ Building const& building = buildings[idx];
+ building_dict[building_key] = building.get_type().get_identifier().c_str();
+ building_dict[level_key] = static_cast<int32_t>(building.get_level());
+ building_dict[expansion_state_key] = static_cast<int32_t>(building.get_expansion_state());
+ building_dict[start_date_key] = static_cast<std::string>(building.get_start_date()).c_str();
+ building_dict[end_date_key] = static_cast<std::string>(building.get_end_date()).c_str();
+ building_dict[expansion_progress_key] = building.get_expansion_progress();
+
+ buildings_array[idx] = building_dict;
+ }
+ ret[buildings_key] = buildings_array;
+ }
+ return ret;
+}
+#undef KEY
+
+int32_t GameSingleton::get_width() const {
+ return game_manager.map.get_width();
+}
+
+int32_t GameSingleton::get_height() const {
+ return game_manager.map.get_height();
+}
+
+Ref<Image> GameSingleton::get_province_index_image() const {
+ return province_index_image;
+}
+
+Ref<Image> GameSingleton::get_province_colour_image() const {
+ return province_colour_image;
+}
+
+Error GameSingleton::update_colour_image() {
+ static PackedByteArray colour_data_array;
+ static constexpr int64_t colour_data_array_size = (Province::MAX_INDEX + 1) * 4;
+ colour_data_array.resize(colour_data_array_size);
+
+ Error err = OK;
+ if (game_manager.map.generate_mapmode_colours(mapmode_index, colour_data_array.ptrw()) != SUCCESS)
+ err = FAILED;
+
+ static constexpr int32_t PROVINCE_INDEX_SQRT = 1 << (sizeof(Province::index_t) * 4);
+ if (province_colour_image.is_null())
+ province_colour_image.instantiate();
+ province_colour_image->set_data(PROVINCE_INDEX_SQRT, PROVINCE_INDEX_SQRT,
+ false, Image::FORMAT_RGBA8, colour_data_array);
+ if (province_colour_image.is_null()) {
+ UtilityFunctions::push_error("Failed to update province colour image");
+ return FAILED;
+ }
+ return err;
+}
+
+int32_t GameSingleton::get_mapmode_count() const {
+ return game_manager.map.get_mapmode_count();
+}
+
+String GameSingleton::get_mapmode_identifier(int32_t index) const {
+ Mapmode const* mapmode = game_manager.map.get_mapmode_by_index(index);
+ if (mapmode != nullptr) return mapmode->get_identifier().c_str();
+ return String{};
+}
+
+Error GameSingleton::set_mapmode(godot::String const& identifier) {
+ Mapmode const* mapmode = game_manager.map.get_mapmode_by_identifier(identifier.utf8().get_data());
+ if (mapmode == nullptr) {
+ UtilityFunctions::push_error("Failed to set mapmode to: ", identifier);
+ return FAILED;
+ }
+ mapmode_index = mapmode->get_index();
+ return OK;
+}
+
+Error GameSingleton::expand_building(int32_t province_index, String const& building_type_identifier) {
+ if (game_manager.expand_building(province_index, building_type_identifier.utf8().get_data()) != SUCCESS) {
+ UtilityFunctions::push_error("Failed to expand ", building_type_identifier, " at province index ", province_index);
+ return FAILED;
+ }
+ return OK;
+}
+
+void GameSingleton::set_paused(bool paused) {
+ game_manager.clock.isPaused = paused;
+}
+
+void GameSingleton::toggle_paused() {
+ game_manager.clock.isPaused = !game_manager.clock.isPaused;
+}
+
+bool GameSingleton::is_paused() const {
+ return game_manager.clock.isPaused;
+}
+
+void GameSingleton::increase_speed() {
+ game_manager.clock.increaseSimulationSpeed();
+}
+
+void GameSingleton::decrease_speed() {
+ game_manager.clock.decreaseSimulationSpeed();
+}
+
+bool GameSingleton::can_increase_speed() const {
+ return game_manager.clock.canIncreaseSimulationSpeed();
+}
+
+bool GameSingleton::can_decrease_speed() const {
+ return game_manager.clock.canDecreaseSimulationSpeed();
+}
+
+String GameSingleton::get_longform_date() const {
+ return static_cast<std::string>(game_manager.get_today()).c_str();
+}
+
+void GameSingleton::try_tick() {
+ game_manager.clock.conditionallyAdvanceGame();
+}