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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/main-menu.hpp"
- #include "game/states/options-menu.hpp"
- #include "game/states/forage.hpp"
- #include "game/states/nuptial-flight.hpp"
- #include "game/states/credits.hpp"
- #include "game/menu.hpp"
- #include "render/passes/clear-pass.hpp"
- #include "resources/resource-manager.hpp"
- #include "render/model.hpp"
- #include "animation/animation.hpp"
- #include "animation/animator.hpp"
- #include "animation/screen-transition.hpp"
- #include "animation/ease.hpp"
- #include "animation/timeline.hpp"
- #include "application.hpp"
- #include <limits>
-
- namespace game {
- namespace state {
- namespace main_menu {
-
- void enter(game::context* ctx)
- {
- ctx->ui_clear_pass->set_cleared_buffers(true, true, false);
-
- // Construct title text
- ctx->title_text = new scene::text();
- ctx->title_text->set_material(&ctx->title_font_material);
- ctx->title_text->set_font(&ctx->title_font);
- ctx->title_text->set_color({1.0f, 1.0f, 1.0f, 1.0f});
- ctx->title_text->set_content((*ctx->strings)["title_antkeeper"]);
-
- // Align title text
- const auto& title_aabb = static_cast<const geom::aabb<float>&>(ctx->title_text->get_local_bounds());
- float title_w = title_aabb.max_point.x - title_aabb.min_point.x;
- float title_h = title_aabb.max_point.y - title_aabb.min_point.y;
- ctx->title_text->set_translation({std::round(-title_w * 0.5f), std::round(-title_h * 0.5f + (std::get<1>(ctx->app->get_viewport_dimensions()) / 3.0f) / 2.0f), 0.0f});
-
- // Add title text to UI
- ctx->ui_scene->add_object(ctx->title_text);
- ctx->title_text->update_tweens();
-
- // Construct menu item texts
- scene::text* start_text = new scene::text();
- scene::text* options_text = new scene::text();
- scene::text* credits_text = new scene::text();
- scene::text* quit_text = new scene::text();
-
- // Build list of menu item texts
- ctx->menu_item_texts.push_back({start_text, nullptr});
- ctx->menu_item_texts.push_back({options_text, nullptr});
- ctx->menu_item_texts.push_back({credits_text, nullptr});
- ctx->menu_item_texts.push_back({quit_text, nullptr});
-
- // Set content of menu item texts
- start_text->set_content((*ctx->strings)["main_menu_start"]);
- options_text->set_content((*ctx->strings)["main_menu_options"]);
- credits_text->set_content((*ctx->strings)["main_menu_credits"]);
- quit_text->set_content((*ctx->strings)["main_menu_quit"]);
-
- // Init menu item index
- game::menu::init_menu_item_index(ctx, "main");
-
- game::menu::update_text_color(ctx);
- game::menu::update_text_font(ctx);
- game::menu::align_text(ctx, true, false, (-std::get<1>(ctx->app->get_viewport_dimensions()) / 3.0f) / 2.0f);
- game::menu::update_text_tweens(ctx);
- game::menu::add_text_to_ui(ctx);
-
- auto select_start_callback = [ctx]()
- {
- // Disable controls and menu callbacks
- game::menu::clear_controls(ctx);
- game::menu::clear_callbacks(ctx);
-
- // Create change state function
- auto change_state_nuptial_flight = [ctx]()
- {
- application::state next_state;
- next_state.name = "nuptial_flight";
- next_state.enter = std::bind(game::state::nuptial_flight::enter, ctx);
- next_state.exit = std::bind(game::state::nuptial_flight::exit, ctx);
- ctx->app->change_state(next_state);
- };
-
- // Set up timing
- const float fade_out_duration = 1.0f;
-
- // Schedule state change
- timeline* timeline = ctx->timeline;
- float t = timeline->get_position();
- timeline->add_sequence({{t + fade_out_duration, change_state_nuptial_flight}});
-
- // Start fade out to white
- ctx->fade_transition_color->set_value({1, 1, 1});
- ctx->fade_transition->transition(fade_out_duration, false, ease<float>::out_quad, false);
- };
- auto select_options_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 select_credits_callback = [ctx]()
- {
- application::state next_state;
- next_state.name = "credits";
- next_state.enter = std::bind(game::state::credits::enter, ctx);
- next_state.exit = std::bind(game::state::credits::exit, ctx);
- ctx->app->change_state(next_state);
- };
- auto select_quit_callback = [ctx]()
- {
- ctx->app->close(EXIT_SUCCESS);
- };
-
- // Build list of menu select callbacks
- ctx->menu_select_callbacks.push_back(select_start_callback);
- ctx->menu_select_callbacks.push_back(select_options_callback);
- ctx->menu_select_callbacks.push_back(select_credits_callback);
- ctx->menu_select_callbacks.push_back(select_quit_callback);
-
- // Build list of menu left callbacks
- ctx->menu_left_callbacks.push_back(nullptr);
- ctx->menu_left_callbacks.push_back(nullptr);
- ctx->menu_left_callbacks.push_back(nullptr);
- ctx->menu_left_callbacks.push_back(nullptr);
-
- // Build list of menu right callbacks
- ctx->menu_right_callbacks.push_back(nullptr);
- ctx->menu_right_callbacks.push_back(nullptr);
- ctx->menu_right_callbacks.push_back(nullptr);
- ctx->menu_right_callbacks.push_back(nullptr);
-
- // Set menu back callback
- ctx->menu_back_callback = select_quit_callback;
-
- // Schedule menu control setup
- timeline* timeline = ctx->timeline;
- float t = timeline->get_position();
- timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
- }
-
- void exit(game::context* ctx)
- {
- // Destruct menu
- game::menu::clear_controls(ctx);
- game::menu::clear_callbacks(ctx);
- game::menu::remove_text_from_ui(ctx);
- game::menu::delete_text(ctx);
-
- // Destruct title text
- ctx->ui_scene->remove_object(ctx->title_text);
- delete ctx->title_text;
- ctx->title_text = nullptr;
-
- ctx->ui_clear_pass->set_cleared_buffers(false, true, false);
- }
-
- } // namespace main_menu
- } // namespace state
- } // namespace game
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