extras-menu-state.cpp

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/*
 * Copyright (C) 2023  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/extras-menu-state.hpp"
#include "game/states/main-menu-state.hpp"
#include "game/states/credits-state.hpp"
#include "game/controls.hpp"
#include <engine/scene/text.hpp>
#include <engine/debug/log.hpp>
#include "game/fonts.hpp"
#include "game/menu.hpp"
#include "game/strings.hpp"
#include <engine/utility/hash/fnv1a.hpp>
 
using namespace hash::literals;
 
extras_menu_state::extras_menu_state(::game& ctx):
    game_state(ctx)
{
    debug::log_trace("Entering extras menu state...");
    
    // Construct menu item texts
    credits_text = std::make_unique<scene::text>();
    back_text = std::make_unique<scene::text>();
    
    // Build list of menu item texts
    ctx.menu_item_texts.push_back({credits_text.get(), nullptr});
    ctx.menu_item_texts.push_back({back_text.get(), nullptr});
    
    // Set content of menu item texts
    credits_text->set_content(get_string(ctx, "extras_menu_credits"));
    back_text->set_content(get_string(ctx, "back"));
    
    // Init menu item index
    ::menu::init_menu_item_index(ctx, "extras");
    
    ::menu::update_text_color(ctx);
    ::menu::update_text_font(ctx);
    ::menu::align_text(ctx);
    ::menu::add_text_to_ui(ctx);
    ::menu::setup_animations(ctx);
    
    // Construct menu item callbacks
    auto select_credits_callback = [&ctx]()
    {
        // Disable menu controls
        ctx.function_queue.push(std::bind(::disable_menu_controls, std::ref(ctx)));
        
        ::menu::fade_out
        (
            ctx,
            [&ctx]()
            {
                // Queue change to credits state
                ctx.function_queue.push
                (
                    [&ctx]()
                    {
                        ctx.state_machine.pop();
                        ctx.state_machine.emplace(std::make_unique<credits_state>(ctx));
                    }
                );
            }
        );
    };
    auto select_back_callback = [&ctx]()
    {
        // Disable menu controls
        ctx.function_queue.push(std::bind(::disable_menu_controls, std::ref(ctx)));
        
        ::menu::fade_out
        (
            ctx,
            [&ctx]()
            {
                // Queue change to main menu state
                ctx.function_queue.push
                (
                    [&ctx]()
                    {
                        ctx.state_machine.pop();
                        ctx.state_machine.emplace(std::make_unique<main_menu_state>(ctx, false));
                    }
                );
            }
        );
    };
    
    // Build list of menu select callbacks
    ctx.menu_select_callbacks.push_back(select_credits_callback);
    ctx.menu_select_callbacks.push_back(select_back_callback);
    
    // Build list of menu left callbacks
    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);
    
    // Set menu back callback
    ctx.menu_back_callback = select_back_callback;
    
    // Fade in menu
    ::menu::fade_in(ctx, nullptr);
    
    // Queue enable menu controls
    ctx.function_queue.push(std::bind(::enable_menu_controls, std::ref(ctx)));
    
    debug::log_trace("Entered extras menu state");
}
 
extras_menu_state::~extras_menu_state()
{
    debug::log_trace("Exiting extras menu state...");
    
    // Destruct menu
    ::disable_menu_controls(ctx);
    ::menu::clear_callbacks(ctx);
    ::menu::delete_animations(ctx);
    ::menu::remove_text_from_ui(ctx);
    ::menu::delete_text(ctx);
    
    debug::log_trace("Exited extras menu state");
}