Add intro scene

src/scene/game_scene.rs

@@ -3,7 +3,7 @@ use log::info;
 
 use crate::bullet::BulletManager;
 use crate::caret::CaretType;
-use crate::common::{Direction, FadeDirection, FadeState, Rect, fix9_scale};
+use crate::common::{Direction, FadeDirection, FadeState, fix9_scale, Rect};
 use crate::entity::GameEntity;
 use crate::frame::Frame;
 use crate::ggez::{Context, GameResult, graphics, timer};
@@ -15,6 +15,7 @@ use crate::physics::PhysicalEntity;
 use crate::player::Player;
 use crate::rng::RNG;
 use crate::scene::Scene;
+use crate::scene::title_scene::TitleScene;
 use crate::shared_game_state::SharedGameState;
 use crate::stage::{BackgroundType, Stage};
 use crate::text_script::{ConfirmSelection, ScriptMode, TextScriptExecutionState, TextScriptVM};
@@ -31,6 +32,7 @@ pub struct GameScene {
     pub npc_map: NPCMap,
     pub bullet_manager: BulletManager,
     pub current_teleport_slot: u8,
+    pub intro_mode: bool,
     tex_background_name: String,
     tex_tileset_name: String,
     life_bar: u16,
@@ -79,13 +81,14 @@ impl GameScene {
             stage_id: id,
             npc_map: NPCMap::new(),
             bullet_manager: BulletManager::new(),
+            current_teleport_slot: 0,
+            intro_mode: false,
             tex_background_name,
             tex_tileset_name,
             life_bar: 0,
             life_bar_counter: 0,
             map_name_counter: 0,
             stage_select_text_y_pos: 54,
-            current_teleport_slot: 0,
             weapon_x_pos: 16,
         })
     }
@@ -1100,6 +1103,10 @@ impl Scene for GameScene {
     fn tick(&mut self, state: &mut SharedGameState, ctx: &mut Context) -> GameResult {
         state.update_key_trigger();
 
+        if self.intro_mode && (state.key_trigger.jump() || self.tick >= 500){
+            state.next_scene = Some(Box::new(TitleScene::new()));
+        }
+
         match state.textscript_vm.mode {
             ScriptMode::Map if state.control_flags.tick_world() => self.tick_world(state)?,
             ScriptMode::StageSelect => self.tick_stage_select(state)?,

src/scene/loading_scene.rs

@@ -39,7 +39,7 @@ impl Scene for LoadingScene {
             let stage_select_script = TextScript::load_from(stage_select_tsc, &state.constants)?;
             state.textscript_vm.set_stage_select_script(stage_select_script);
 
-            state.next_scene = Some(Box::new(TitleScene::new()));
+            state.start_intro(ctx)?;
         }
 
         self.tick += 1;

src/shared_game_state.rs

@@ -164,6 +164,20 @@ impl SharedGameState {
         Ok(())
     }
 
+    pub fn start_intro(&mut self, ctx: &mut Context) -> GameResult {
+        let mut next_scene = GameScene::new(self, ctx, 72)?;
+        next_scene.player.cond.set_hidden(true);
+        next_scene.player.x = 3 * 16 * 0x200;
+        next_scene.player.y = 3 * 16 * 0x200;
+        next_scene.intro_mode = true;
+        self.fade_state = FadeState::Hidden;
+        self.textscript_vm.state = TextScriptExecutionState::Running(100, 0);
+
+        self.next_scene = Some(Box::new(next_scene));
+
+        Ok(())
+    }
+
     pub fn save_game(&mut self, game_scene: &mut GameScene, ctx: &mut Context) -> GameResult {
         if let Ok(data) = filesystem::open_options(ctx, "/Profile.dat", OpenOptions::new().write(true).create(true)) {
             let profile = GameProfile::dump(self, game_scene);