2020-09-20 01:05:41 +00:00
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use crate::common::{FadeState, Rect};
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2020-09-21 22:33:16 +00:00
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use crate::ggez::{Context, GameResult, graphics};
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use crate::ggez::graphics::Color;
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2020-09-20 15:27:31 +00:00
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use crate::menu::{Menu, MenuEntry, MenuSelectionResult};
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2020-09-20 01:05:41 +00:00
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use crate::scene::game_scene::GameScene;
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use crate::scene::Scene;
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2020-09-20 15:27:31 +00:00
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use crate::shared_game_state::SharedGameState;
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2020-09-20 01:05:41 +00:00
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use crate::text_script::TextScriptExecutionState;
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2020-09-21 22:33:16 +00:00
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#[derive(PartialEq, Eq, Copy, Clone)]
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#[repr(u8)]
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enum CurrentMenu {
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MainMenu,
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OptionMenu,
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StartGame,
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}
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2020-09-20 01:05:41 +00:00
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pub struct TitleScene {
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tick: usize,
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2020-09-21 22:33:16 +00:00
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current_menu: CurrentMenu,
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main_menu: Menu,
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option_menu: Menu,
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2020-09-20 01:05:41 +00:00
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}
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impl TitleScene {
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pub fn new() -> Self {
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Self {
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tick: 0,
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2020-09-21 22:33:16 +00:00
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current_menu: CurrentMenu::MainMenu,
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main_menu: Menu::new(0, 0, 100, 5 * 14 + 6),
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option_menu: Menu::new(0, 0, 140, 3 * 14 + 6),
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2020-09-20 01:05:41 +00:00
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}
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}
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2020-09-21 22:33:16 +00:00
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fn start_game(&self, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
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2020-09-20 01:05:41 +00:00
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let mut next_scene = GameScene::new(state, ctx, 13)?;
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next_scene.player.x = 10 * 16 * 0x200;
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next_scene.player.y = 8 * 16 * 0x200;
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state.fade_state = FadeState::Hidden;
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state.textscript_vm.state = TextScriptExecutionState::Running(200, 0);
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state.next_scene = Some(Box::new(next_scene));
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Ok(())
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}
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fn draw_background(&self, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
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let batch = state.texture_set.get_or_load_batch(ctx, &state.constants, "bkMoon")?;
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let offset = (self.tick % 640) as isize;
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batch.add_rect(((state.canvas_size.0 - 320.0) / 2.0).floor(), 0.0,
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&Rect::<usize>::new_size(0, 0, 320, 88));
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for x in ((-offset / 2)..(state.canvas_size.0 as isize)).step_by(320) {
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batch.add_rect(x as f32, 88.0,
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&Rect::<usize>::new_size(0, 88, 320, 35));
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}
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for x in ((-offset % 320)..(state.canvas_size.0 as isize)).step_by(320) {
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batch.add_rect(x as f32, 123.0,
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&Rect::<usize>::new_size(0, 123, 320, 23));
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}
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for x in ((-offset * 2)..(state.canvas_size.0 as isize)).step_by(320) {
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batch.add_rect(x as f32, 146.0,
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&Rect::<usize>::new_size(0, 146, 320, 30));
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}
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for x in ((-offset * 4)..(state.canvas_size.0 as isize)).step_by(320) {
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batch.add_rect(x as f32, 176.0,
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&Rect::<usize>::new_size(0, 176, 320, 64));
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}
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batch.draw(ctx)?;
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Ok(())
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}
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fn draw_text_centered(&self, text: &str, y: f32, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
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let width = state.font.text_width(text.chars(), &state.constants);
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state.font.draw_text(text.chars(), ((state.canvas_size.0 - width) / 2.0).floor(), y, &state.constants, &mut state.texture_set, ctx)?;
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Ok(())
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}
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}
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static ENGINE_VERSION: &str = "doukutsu-rs 0.1.0";
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// asset copyright for freeware version
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static COPYRIGHT_PIXEL: &str = "2004.12 Studio Pixel";
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// asset copyright for Nicalis, why they've even replaced © with @?
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static COPYRIGHT_NICALIS: &str = "@2011 NICALIS INC.";
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static COPYRIGHT_NICALIS_SWITCH: &str = "@2017 NICALIS INC."; // untested?
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impl Scene for TitleScene {
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fn tick(&mut self, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
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if self.tick == 0 {
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state.sound_manager.play_song(24, &state.constants, ctx)?;
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2020-09-21 22:33:16 +00:00
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self.main_menu.push_entry(MenuEntry::Active("Load game".to_string()));
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self.main_menu.push_entry(MenuEntry::Active("New game".to_string()));
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self.main_menu.push_entry(MenuEntry::Active("Options".to_string()));
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self.main_menu.push_entry(MenuEntry::Disabled("Editor".to_string()));
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self.main_menu.push_entry(MenuEntry::Active("Quit".to_string()));
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self.option_menu.push_entry(MenuEntry::Toggle("Test toggle".to_string(), false));
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self.option_menu.push_entry(MenuEntry::Toggle("2x Speed hack".to_string(), false));
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self.option_menu.push_entry(MenuEntry::Active("Back".to_string()));
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2020-09-20 01:05:41 +00:00
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}
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2020-09-21 22:33:16 +00:00
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self.main_menu.x = ((state.canvas_size.0 - self.main_menu.width as f32) / 2.0).floor() as isize;
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self.main_menu.y = ((state.canvas_size.1 + 70.0 - self.main_menu.height as f32) / 2.0).floor() as isize;
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self.option_menu.x = ((state.canvas_size.0 - self.option_menu.width as f32) / 2.0).floor() as isize;
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self.option_menu.y = ((state.canvas_size.1 + 70.0 - self.option_menu.height as f32) / 2.0).floor() as isize;
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match self.current_menu {
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CurrentMenu::MainMenu => {
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match self.main_menu.tick(state) {
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MenuSelectionResult::Selected(0, _) => {
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state.reset();
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state.sound_manager.play_song(0, &state.constants, ctx)?;
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self.tick = 1;
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self.current_menu = CurrentMenu::StartGame;
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}
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MenuSelectionResult::Selected(1, _) => {
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state.reset();
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state.sound_manager.play_song(0, &state.constants, ctx)?;
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self.tick = 1;
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self.current_menu = CurrentMenu::StartGame;
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}
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MenuSelectionResult::Selected(2, _) => {
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self.current_menu = CurrentMenu::OptionMenu;
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}
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MenuSelectionResult::Selected(4, _) => {
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state.shutdown();
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}
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_ => {}
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}
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2020-09-20 01:05:41 +00:00
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}
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2020-09-21 22:33:16 +00:00
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CurrentMenu::OptionMenu => {
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match self.option_menu.tick(state) {
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MenuSelectionResult::Selected(0, toggle) => {
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if let MenuEntry::Toggle(_, value) = toggle {
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*value = !(*value);
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}
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}
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MenuSelectionResult::Selected(1, toggle) => {
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if let MenuEntry::Toggle(_, value) = toggle {
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*value = !(*value);
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state.set_speed_hack(*value);
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}
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}
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MenuSelectionResult::Selected(2, _) | MenuSelectionResult::Canceled => {
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self.current_menu = CurrentMenu::MainMenu;
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}
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_ => {}
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}
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2020-09-20 15:27:31 +00:00
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}
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2020-09-21 22:33:16 +00:00
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CurrentMenu::StartGame => {
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if self.tick == 30 {
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self.start_game(state, ctx)?;
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}
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2020-09-20 01:05:41 +00:00
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}
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}
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self.tick += 1;
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Ok(())
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}
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fn draw(&self, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
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2020-09-21 22:33:16 +00:00
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if self.current_menu == CurrentMenu::StartGame {
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graphics::clear(ctx, Color::from_rgb(0, 0, 0));
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return Ok(());
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}
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2020-09-20 01:05:41 +00:00
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self.draw_background(state, ctx)?;
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{
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let batch = state.texture_set.get_or_load_batch(ctx, &state.constants, "Title")?;
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batch.add_rect(((state.canvas_size.0 - state.constants.title.logo_rect.width() as f32) / 2.0).floor(),
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40.0,
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&state.constants.title.logo_rect);
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batch.draw(ctx)?;
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}
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self.draw_text_centered(ENGINE_VERSION, state.canvas_size.1 - 15.0, state, ctx)?;
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if state.constants.is_cs_plus {
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self.draw_text_centered(COPYRIGHT_NICALIS, state.canvas_size.1 - 30.0, state, ctx)?;
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} else {
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self.draw_text_centered(COPYRIGHT_PIXEL, state.canvas_size.1 - 30.0, state, ctx)?;
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}
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2020-09-21 22:33:16 +00:00
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match self.current_menu {
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CurrentMenu::MainMenu => { self.main_menu.draw(state, ctx)?; }
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CurrentMenu::OptionMenu => { self.option_menu.draw(state, ctx)?; }
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CurrentMenu::StartGame => {}
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}
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2020-09-20 01:05:41 +00:00
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Ok(())
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}
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}
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