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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/options-menu.hpp"
- #include "game/states/main-menu.hpp"
- #include "game/states/language-menu.hpp"
- #include "animation/ease.hpp"
- #include "animation/animation.hpp"
- #include "animation/animator.hpp"
- #include "application.hpp"
- #include "scene/text.hpp"
- #include "render/passes/clear-pass.hpp"
-
- namespace game {
- namespace state {
- namespace options_menu {
-
- void enter(game::context* ctx)
- {
- ctx->ui_clear_pass->set_cleared_buffers(true, true, false);
-
- ctx->options_menu_index = 0;
-
- // Construct options menu texts
- ctx->options_menu_controls_text = new scene::text();
- ctx->options_menu_graphics_text = new scene::text();
- ctx->options_menu_sound_text = new scene::text();
- ctx->options_menu_language_text = new scene::text();
- ctx->options_menu_back_text = new scene::text();
-
- // Build list of options menu texts
- ctx->options_menu_texts.push_back(ctx->options_menu_controls_text);
- ctx->options_menu_texts.push_back(ctx->options_menu_graphics_text);
- ctx->options_menu_texts.push_back(ctx->options_menu_sound_text);
- ctx->options_menu_texts.push_back(ctx->options_menu_language_text);
- ctx->options_menu_texts.push_back(ctx->options_menu_back_text);
-
- // Construct options menu callbacks
- auto menu_back_callback = [ctx]()
- {
- application::state next_state;
- next_state.name = "main_menu";
- next_state.enter = std::bind(game::state::main_menu::enter, ctx, 1);
- next_state.exit = std::bind(game::state::main_menu::exit, ctx);
- ctx->app->change_state(next_state);
- };
- auto change_state_language_menu = [ctx]()
- {
- application::state next_state;
- next_state.name = "language_menu";
- next_state.enter = std::bind(game::state::language_menu::enter, ctx);
- next_state.exit = std::bind(game::state::language_menu::exit, ctx);
- ctx->app->change_state(next_state);
- };
-
- // Build list of options menu callbacks
- ctx->options_menu_callbacks.push_back(nullptr);
- ctx->options_menu_callbacks.push_back(nullptr);
- ctx->options_menu_callbacks.push_back(nullptr);
- ctx->options_menu_callbacks.push_back(change_state_language_menu);
- ctx->options_menu_callbacks.push_back(menu_back_callback);
-
- // Set content of texts
- ctx->options_menu_controls_text->set_content((*ctx->strings)["options_menu_controls"]);
- ctx->options_menu_graphics_text->set_content((*ctx->strings)["options_menu_graphics"]);
- ctx->options_menu_sound_text->set_content((*ctx->strings)["options_menu_sound"]);
- ctx->options_menu_language_text->set_content((*ctx->strings)["options_menu_language"]);
- ctx->options_menu_back_text->set_content((*ctx->strings)["back"]);
-
- float4 inactive_color = {1.0f, 1.0f, 1.0f, 0.5f};
- float4 active_color = {1.0f, 1.0f, 1.0f, 1.0f};
- float menu_width = 0.0f;
- for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->options_menu_texts[i];
-
- // Set text material and font
- text->set_material(&ctx->menu_font_material);
- text->set_font(&ctx->menu_font);
-
- // Set text color
- if (i == ctx->options_menu_index)
- text->set_color(active_color);
- else
- text->set_color(inactive_color);
-
- // 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);
-
- // Add text to UI
- ctx->ui_scene->add_object(text);
- }
-
- // Align texts
- float menu_height = ctx->options_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->options_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->options_menu_texts[i];
-
- 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});
- text->update_tweens();
- }
-
- ctx->controls["menu_down"]->set_activated_callback
- (
- [ctx]()
- {
- ++ctx->options_menu_index;
- if (ctx->options_menu_index >= ctx->options_menu_texts.size())
- ctx->options_menu_index = 0;
-
- float4 active_color{1.0f, 1.0f, 1.0f, 1.0f};
- float4 inactive_color{1.0f, 1.0f, 1.0f, 0.5f};
-
- for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->options_menu_texts[i];
-
- if (i == ctx->options_menu_index)
- text->set_color(active_color);
- else
- text->set_color(inactive_color);
- }
- }
- );
- ctx->controls["menu_up"]->set_activated_callback
- (
- [ctx]()
- {
- --ctx->options_menu_index;
- if (ctx->options_menu_index < 0)
- ctx->options_menu_index = ctx->options_menu_texts.size() - 1;
-
- float4 active_color{1.0f, 1.0f, 1.0f, 1.0f};
- float4 inactive_color{1.0f, 1.0f, 1.0f, 0.5f};
-
- for (std::size_t i = 0; i < ctx->options_menu_texts.size(); ++i)
- {
- scene::text* text = ctx->options_menu_texts[i];
-
- if (i == ctx->options_menu_index)
- text->set_color(active_color);
- else
- text->set_color(inactive_color);
- }
- }
- );
- ctx->controls["menu_select"]->set_activated_callback
- (
- [ctx]()
- {
- auto callback = ctx->options_menu_callbacks[ctx->options_menu_index];
- if (callback != nullptr)
- callback();
- }
- );
- ctx->controls["menu_back"]->set_activated_callback(menu_back_callback);
- /*
- ctx->controls["menu_back"]->set_activated_callback
- (
- std::bind(&application::close, ctx->app, 0)
- );
- */
- }
-
- 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_select"]->set_activated_callback(nullptr);
- ctx->controls["menu_back"]->set_activated_callback(nullptr);
-
- // Clear options menu callbacks
- ctx->options_menu_callbacks.clear();
-
- // Destruct options menu texts
- for (scene::text* text: ctx->options_menu_texts)
- {
- ctx->ui_scene->remove_object(text);
- delete text;
- }
- ctx->options_menu_texts.clear();
-
- ctx->ui_clear_pass->set_cleared_buffers(false, true, false);
- }
-
- } // namespace options_menu
- } // namespace state
- } // namespace game
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