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- /*
- * Copyright (C) 2021 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #include "game/states/language-menu.hpp"
- #include "game/states/options-menu.hpp"
- #include "application.hpp"
- #include "scene/text.hpp"
- #include "render/passes/clear-pass.hpp"
- #include "debug/logger.hpp"
- #include "game/fonts.hpp"
-
- namespace game {
- namespace state {
- namespace language_menu {
-
- static void update_text_font(game::context* ctx)
- {
- for (scene::text* text: ctx->language_menu_texts)
- {
- text->set_material(&ctx->menu_font_material);
- text->set_font(&ctx->menu_font);
- }
- }
-
- static void update_text_color(game::context* ctx)
- {
- float4 inactive_color = {1.0f, 1.0f, 1.0f, 0.5f};
- float4 active_color = {1.0f, 1.0f, 1.0f, 1.0f};
-
- for (std::size_t i = 0; i < ctx->language_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->language_menu_texts[i];
-
- if (i == ctx->language_menu_index)
- text->set_color(active_color);
- else
- text->set_color(inactive_color);
- }
- }
-
- static void update_text_content(game::context* ctx)
- {
- ctx->language_menu_language_text->set_content((*ctx->strings)["language_name"]);
- ctx->language_menu_back_text->set_content((*ctx->strings)["back"]);
- }
-
- static void refresh_texts(game::context* ctx)
- {
- for (scene::text* text: ctx->language_menu_texts)
- {
- text->refresh();
- }
- }
-
- static void align_texts(game::context* ctx)
- {
- float menu_width = 0.0f;
- for (std::size_t i = 0; i < ctx->language_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->language_menu_texts[i];
-
- // Update menu width
- const auto& bounds = static_cast<const geom::aabb<float>&>(text->get_local_bounds());
- float width = bounds.max_point.x - bounds.min_point.x;
- menu_width = std::max<float>(menu_width, width);
- }
-
- float menu_height = ctx->language_menu_texts.size() * ctx->menu_font.get_font_metrics().linespace;
- float menu_x = -menu_width * 0.5f;
- float menu_y = menu_height * 0.5f - ctx->menu_font.get_font_metrics().linespace;
- for (std::size_t i = 0; i < ctx->language_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->language_menu_texts[i];
-
- // Align text
- const auto& bounds = static_cast<const geom::aabb<float>&>(text->get_local_bounds());
- float w = bounds.max_point.x - bounds.min_point.x;
- float x = -w * 0.5f;
- //float x = menu_x;
- float y = menu_y - ctx->menu_font.get_font_metrics().linespace * i;
-
- text->set_translation({std::round(x), std::round(y), 0.0f});
- }
- }
-
- static void update_text_tweens(game::context* ctx)
- {
- for (scene::text* text: ctx->language_menu_texts)
- {
- text->update_tweens();
- }
- }
-
- void enter(game::context* ctx)
- {
- ctx->ui_clear_pass->set_cleared_buffers(true, true, false);
-
- ctx->language_menu_index = 0;
-
- // Construct language menu texts
- ctx->language_menu_language_text = new scene::text();
- ctx->language_menu_back_text = new scene::text();
-
- // Build list of language menu texts
- ctx->language_menu_texts.push_back(ctx->language_menu_language_text);
- ctx->language_menu_texts.push_back(ctx->language_menu_back_text);
-
- // Construct language menu callbacks
- auto menu_back_callback = [ctx]()
- {
- application::state next_state;
- next_state.name = "options_menu";
- next_state.enter = std::bind(game::state::options_menu::enter, ctx);
- next_state.exit = std::bind(game::state::options_menu::exit, ctx);
- ctx->app->change_state(next_state);
- };
- auto next_language_callback = [ctx]()
- {
- if (ctx->language_menu_index != 0)
- return;
-
- // Increment language index
- ++ctx->language_index;
- if (ctx->language_index >= ctx->language_count)
- ctx->language_index = 0;
-
- // Find corresponding language code and strings
- ctx->language_code = (*ctx->string_table)[0][ctx->language_index + 2];
- ctx->strings = &ctx->string_table_map[ctx->language_code];
-
- // Update language in config
- (*ctx->config)["language"] = ctx->language_code;
-
- ctx->logger->log("Language changed to \"" + ctx->language_code + "\"");
-
- // Reload fonts
- ctx->logger->push_task("Reloading fonts");
- try
- {
- game::load_fonts(ctx);
- }
- catch (...)
- {
- ctx->logger->pop_task(EXIT_FAILURE);
- }
- ctx->logger->pop_task(EXIT_SUCCESS);
-
- update_text_font(ctx);
- update_text_content(ctx);
- refresh_texts(ctx);
- align_texts(ctx);
- update_text_tweens(ctx);
- };
- auto previous_language_callback = [ctx]()
- {
- if (ctx->language_menu_index != 0)
- return;
-
- // Increment language index
- --ctx->language_index;
- if (ctx->language_index < 0)
- ctx->language_index = ctx->language_count - 1;
-
- // Find corresponding language code and strings
- ctx->language_code = (*ctx->string_table)[0][ctx->language_index + 2];
- ctx->strings = &ctx->string_table_map[ctx->language_code];
-
- ctx->logger->log("Language changed to \"" + ctx->language_code + "\"");
-
- // Reload fonts
- ctx->logger->push_task("Reloading fonts");
- try
- {
- game::load_fonts(ctx);
- }
- catch (...)
- {
- ctx->logger->pop_task(EXIT_FAILURE);
- }
- ctx->logger->pop_task(EXIT_SUCCESS);
-
- update_text_font(ctx);
- update_text_content(ctx);
- refresh_texts(ctx);
- align_texts(ctx);
- update_text_tweens(ctx);
- };
-
- // Build list of language menu callbacks
- ctx->language_menu_callbacks.push_back(next_language_callback);
- ctx->language_menu_callbacks.push_back(menu_back_callback);
-
- ctx->controls["menu_down"]->set_activated_callback
- (
- [ctx]()
- {
- ++ctx->language_menu_index;
- if (ctx->language_menu_index >= ctx->language_menu_texts.size())
- ctx->language_menu_index = 0;
-
- update_text_color(ctx);
- }
- );
- ctx->controls["menu_up"]->set_activated_callback
- (
- [ctx]()
- {
- --ctx->language_menu_index;
- if (ctx->language_menu_index < 0)
- ctx->language_menu_index = ctx->language_menu_texts.size() - 1;
-
- update_text_color(ctx);
- }
- );
- ctx->controls["menu_left"]->set_activated_callback(previous_language_callback);
- ctx->controls["menu_right"]->set_activated_callback(next_language_callback);
- ctx->controls["menu_select"]->set_activated_callback
- (
- [ctx]()
- {
- auto callback = ctx->language_menu_callbacks[ctx->language_menu_index];
- if (callback != nullptr)
- callback();
- }
- );
- ctx->controls["menu_back"]->set_activated_callback(menu_back_callback);
-
- for (scene::text* text: ctx->language_menu_texts)
- ctx->ui_scene->add_object(text);
- update_text_font(ctx);
- update_text_color(ctx);
- update_text_content(ctx);
- align_texts(ctx);
- update_text_tweens(ctx);
- }
-
- void exit(game::context* ctx)
- {
- // Clear control callbacks
- ctx->controls["menu_down"]->set_activated_callback(nullptr);
- ctx->controls["menu_up"]->set_activated_callback(nullptr);
- ctx->controls["menu_left"]->set_activated_callback(nullptr);
- ctx->controls["menu_right"]->set_activated_callback(nullptr);
- ctx->controls["menu_select"]->set_activated_callback(nullptr);
- ctx->controls["menu_back"]->set_activated_callback(nullptr);
-
- // Clear language menu callbacks
- ctx->language_menu_callbacks.clear();
-
- // Destruct language menu texts
- for (scene::text* text: ctx->language_menu_texts)
- {
- ctx->ui_scene->remove_object(text);
- delete text;
- }
- ctx->language_menu_texts.clear();
-
- ctx->ui_clear_pass->set_cleared_buffers(false, true, false);
- }
-
- } // namespace language_menu
- } // namespace state
- } // namespace game
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