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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/title.hpp"
- #include "game/states/main-menu.hpp"
- #include "animation/screen-transition.hpp"
- #include "animation/ease.hpp"
- #include "animation/timeline.hpp"
- #include "application.hpp"
- #include "scene/text.hpp"
- #include "configuration.hpp"
- #include "render/passes/clear-pass.hpp"
-
- namespace game {
- namespace state {
- namespace title {
-
- void enter(game::context* ctx)
- {
- ctx->ui_clear_pass->set_cleared_buffers(true, true, false);
-
- // Setup timing
- const float title_fade_in_duration = 0.5f;
- const float title_fade_out_duration = 0.5f;
-
- // Start fade in
- ctx->fade_transition->transition(title_fade_in_duration, true, ease<float>::in_quad);
-
- // Crate fade out function
- auto fade_out = [ctx, title_fade_out_duration]()
- {
- ctx->fade_transition->transition(title_fade_out_duration, false, ease<float>::out_quad);
- };
-
- // Create change state function
- auto change_state = [ctx]()
- {
- application::state next_state;
- next_state.name = "main_menu";
- next_state.enter = std::bind(game::state::main_menu::enter, ctx);
- next_state.exit = std::bind(game::state::main_menu::exit, ctx);
-
- ctx->app->change_state(next_state);
- };
-
- // Set up title skipper
- ctx->input_listener->set_callback
- (
- [ctx](const event_base& event)
- {
- auto id = event.get_event_type_id();
- if (id != mouse_moved_event::event_type_id && id != mouse_wheel_scrolled_event::event_type_id && id != gamepad_axis_moved_event::event_type_id)
- {
- ctx->timeline->clear();
- ctx->fade_transition->get_animation()->stop();
- ctx->fade_transition->get_billboard()->set_active(false);
- ctx->rasterizer->set_clear_color(0.0f, 0.0f, 0.0f, 1.0f);
- ctx->rasterizer->clear_framebuffer(true, false, false);
- ctx->app->swap_buffers();
-
- application::state next_state;
- next_state.name = "main_menu";
- next_state.enter = std::bind(game::state::main_menu::enter, ctx);
- next_state.exit = std::bind(game::state::main_menu::exit, ctx);
-
- ctx->app->change_state(next_state);
- }
- }
- );
- ctx->input_listener->set_enabled(true);
-
- // 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"]);
- ctx->ui_scene->add_object(ctx->title_text);
-
- // Construct version string text
- ctx->title_version_text = new scene::text();
- ctx->title_version_text->set_material(&ctx->debug_font_material);
- ctx->title_version_text->set_font(&ctx->debug_font);
- ctx->title_version_text->set_color({1.0f, 1.0f, 1.0f, 1.0f});
- ctx->title_version_text->set_content(ANTKEEPER_VERSION_STRING);
- ctx->ui_scene->add_object(ctx->title_version_text);
-
- // 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), 0.0f});
-
- // Align version string
- const auto& version_aabb = static_cast<const geom::aabb<float>&>(ctx->title_version_text->get_local_bounds());
- float version_w = version_aabb.max_point.x - version_aabb.min_point.x;
- float version_h = version_aabb.max_point.y - version_aabb.min_point.y;
- const float version_padding = 12.0f;
- auto viewport = ctx->app->get_viewport_dimensions();
- ctx->title_version_text->set_translation({viewport[0] * 0.5f - version_w - version_padding, -viewport[1] * 0.5f + version_padding, 0.0f});
- }
-
- void exit(game::context* ctx)
- {
- // Remove and destruct title and version text
- ctx->ui_scene->remove_object(ctx->title_text);
- ctx->ui_scene->remove_object(ctx->title_version_text);
- delete ctx->title_text;
- delete ctx->title_version_text;
- ctx->title_text = nullptr;
- ctx->title_version_text = nullptr;
-
- // Disable title skipper
- ctx->input_listener->set_enabled(false);
- ctx->input_listener->set_callback(nullptr);
-
- ctx->ui_clear_pass->set_cleared_buffers(false, true, false);
- }
-
- } // namespace title
- } // namespace state
- } // namespace game
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