💿🐜 Antkeeper source code
https://antkeeper.com
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213 lines
6.7 KiB
213 lines
6.7 KiB
/*
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* Copyright (C) 2021 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "game/states/options-menu.hpp"
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#include "game/states/main-menu.hpp"
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#include "game/states/language-menu.hpp"
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#include "animation/ease.hpp"
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#include "animation/animation.hpp"
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#include "animation/animator.hpp"
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#include "application.hpp"
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#include "scene/text.hpp"
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#include "render/passes/clear-pass.hpp"
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namespace game {
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namespace state {
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namespace options_menu {
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void enter(game::context* ctx)
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{
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ctx->ui_clear_pass->set_cleared_buffers(true, true, false);
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ctx->options_menu_index = 0;
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// Construct options menu texts
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ctx->options_menu_controls_text = new scene::text();
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ctx->options_menu_graphics_text = new scene::text();
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ctx->options_menu_sound_text = new scene::text();
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ctx->options_menu_language_text = new scene::text();
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ctx->options_menu_back_text = new scene::text();
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// Build list of options menu texts
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ctx->options_menu_texts.push_back(ctx->options_menu_controls_text);
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ctx->options_menu_texts.push_back(ctx->options_menu_graphics_text);
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ctx->options_menu_texts.push_back(ctx->options_menu_sound_text);
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ctx->options_menu_texts.push_back(ctx->options_menu_language_text);
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ctx->options_menu_texts.push_back(ctx->options_menu_back_text);
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// Construct options menu callbacks
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auto menu_back_callback = [ctx]()
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{
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application::state next_state;
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next_state.name = "main_menu";
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next_state.enter = std::bind(game::state::main_menu::enter, ctx, 1);
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next_state.exit = std::bind(game::state::main_menu::exit, ctx);
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ctx->app->change_state(next_state);
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};
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auto change_state_language_menu = [ctx]()
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{
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application::state next_state;
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next_state.name = "language_menu";
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next_state.enter = std::bind(game::state::language_menu::enter, ctx);
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next_state.exit = std::bind(game::state::language_menu::exit, ctx);
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ctx->app->change_state(next_state);
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};
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// Build list of options menu callbacks
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ctx->options_menu_callbacks.push_back(nullptr);
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ctx->options_menu_callbacks.push_back(nullptr);
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ctx->options_menu_callbacks.push_back(nullptr);
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ctx->options_menu_callbacks.push_back(change_state_language_menu);
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ctx->options_menu_callbacks.push_back(menu_back_callback);
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// Set content of texts
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ctx->options_menu_controls_text->set_content((*ctx->strings)["options_menu_controls"]);
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ctx->options_menu_graphics_text->set_content((*ctx->strings)["options_menu_graphics"]);
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ctx->options_menu_sound_text->set_content((*ctx->strings)["options_menu_sound"]);
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ctx->options_menu_language_text->set_content((*ctx->strings)["options_menu_language"]);
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ctx->options_menu_back_text->set_content((*ctx->strings)["back"]);
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float4 inactive_color = {1.0f, 1.0f, 1.0f, 0.5f};
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float4 active_color = {1.0f, 1.0f, 1.0f, 1.0f};
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float menu_width = 0.0f;
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for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
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{
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scene::text* text = ctx->options_menu_texts[i];
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// Set text material and font
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text->set_material(&ctx->menu_font_material);
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text->set_font(&ctx->menu_font);
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// Set text color
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if (i == ctx->options_menu_index)
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text->set_color(active_color);
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else
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text->set_color(inactive_color);
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// Update menu width
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const auto& bounds = static_cast<const geom::aabb<float>&>(text->get_local_bounds());
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float width = bounds.max_point.x - bounds.min_point.x;
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menu_width = std::max<float>(menu_width, width);
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// Add text to UI
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ctx->ui_scene->add_object(text);
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}
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// Align texts
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float menu_height = ctx->options_menu_texts.size() * ctx->menu_font.get_font_metrics().linespace;
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float menu_x = -menu_width * 0.5f;
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float menu_y = menu_height * 0.5f - ctx->menu_font.get_font_metrics().linespace;
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for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
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{
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scene::text* text = ctx->options_menu_texts[i];
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float x = menu_x;
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float y = menu_y - ctx->menu_font.get_font_metrics().linespace * i;
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text->set_translation({std::round(x), std::round(y), 0.0f});
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text->update_tweens();
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}
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ctx->controls["menu_down"]->set_activated_callback
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(
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[ctx]()
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{
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++ctx->options_menu_index;
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if (ctx->options_menu_index >= ctx->options_menu_texts.size())
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ctx->options_menu_index = 0;
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float4 active_color{1.0f, 1.0f, 1.0f, 1.0f};
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float4 inactive_color{1.0f, 1.0f, 1.0f, 0.5f};
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for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
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{
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scene::text* text = ctx->options_menu_texts[i];
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if (i == ctx->options_menu_index)
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text->set_color(active_color);
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else
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text->set_color(inactive_color);
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}
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}
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);
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ctx->controls["menu_up"]->set_activated_callback
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(
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[ctx]()
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{
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--ctx->options_menu_index;
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if (ctx->options_menu_index < 0)
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ctx->options_menu_index = ctx->options_menu_texts.size() - 1;
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float4 active_color{1.0f, 1.0f, 1.0f, 1.0f};
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float4 inactive_color{1.0f, 1.0f, 1.0f, 0.5f};
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for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
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{
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scene::text* text = ctx->options_menu_texts[i];
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if (i == ctx->options_menu_index)
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text->set_color(active_color);
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else
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text->set_color(inactive_color);
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}
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}
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);
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ctx->controls["menu_select"]->set_activated_callback
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(
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[ctx]()
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{
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auto callback = ctx->options_menu_callbacks[ctx->options_menu_index];
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if (callback != nullptr)
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callback();
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}
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);
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ctx->controls["menu_back"]->set_activated_callback(menu_back_callback);
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/*
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ctx->controls["menu_back"]->set_activated_callback
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(
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std::bind(&application::close, ctx->app, 0)
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);
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*/
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}
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void exit(game::context* ctx)
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{
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// Clear control callbacks
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ctx->controls["menu_down"]->set_activated_callback(nullptr);
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ctx->controls["menu_up"]->set_activated_callback(nullptr);
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ctx->controls["menu_select"]->set_activated_callback(nullptr);
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ctx->controls["menu_back"]->set_activated_callback(nullptr);
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// Clear options menu callbacks
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ctx->options_menu_callbacks.clear();
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// Destruct options menu texts
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for (scene::text* text: ctx->options_menu_texts)
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{
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ctx->ui_scene->remove_object(text);
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delete text;
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}
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ctx->options_menu_texts.clear();
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ctx->ui_clear_pass->set_cleared_buffers(false, true, false);
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}
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} // namespace options_menu
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} // namespace state
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} // namespace game
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