Complete the first section

src/damage_system.rs

@@ -1,5 +1,4 @@
-use crate::{game_log::GameLog, CombatStats, Name, Player, SufferDamage};
-use rltk::console;
+use crate::{game_log::GameLog, CombatStats, Name, Player, RunState, SufferDamage};
 use specs::prelude::*;
 
 pub struct DamageSystem {}
@@ -44,7 +43,10 @@ pub fn delete_the_dead(ecs: &mut World) {
 
                         dead.push(entity)
                     }
-                    Some(_) => console::log("You are dead"),
+                    Some(_) => {
+                        let mut runstate = ecs.write_resource::<RunState>();
+                        *runstate = RunState::GameOver;
+                    }
                 }
             }
         }

src/gui.rs

@@ -619,3 +619,42 @@ pub fn remove_item_menu(gs: &mut State, ctx: &mut Rltk) -> (ItemMenuResult, Opti
         },
     }
 }
+
+#[derive(PartialEq, Copy, Clone)]
+pub enum GameOverResult {
+    NoSelection,
+    QuitToMenu,
+}
+
+pub fn game_over(ctx: &mut Rltk) -> GameOverResult {
+    ctx.print_color_centered(
+        15,
+        RGB::named(rltk::YELLOW),
+        RGB::named(rltk::BLACK),
+        "Your journey has ended!",
+    );
+    ctx.print_color_centered(
+        17,
+        RGB::named(rltk::WHITE),
+        RGB::named(rltk::BLACK),
+        "One day, we'll tell you all about how you did.",
+    );
+    ctx.print_color_centered(
+        18,
+        RGB::named(rltk::WHITE),
+        RGB::named(rltk::BLACK),
+        "That day, sadly, is not in this chapter...",
+    );
+
+    ctx.print_color_centered(
+        20,
+        RGB::named(rltk::MAGENTA),
+        RGB::named(rltk::BLACK),
+        "Press any key to return to the menu.",
+    );
+
+    match ctx.key {
+        None => GameOverResult::NoSelection,
+        Some(_) => GameOverResult::QuitToMenu,
+    }
+}

src/inventory_system.rs

@@ -327,7 +327,7 @@ impl<'a> System<'a> for ItemRemoveSystem {
         Entities<'a>,
         WriteStorage<'a, WantsToRemoveItem>,
         WriteStorage<'a, Equipped>,
-        WriteStorage<'a, InBackpack>
+        WriteStorage<'a, InBackpack>,
     );
 
     fn run(&mut self, data: Self::SystemData) {
@@ -335,7 +335,8 @@ impl<'a> System<'a> for ItemRemoveSystem {
 
         for (entity, to_remove) in (&entities, &wants_remove).join() {
             equipped.remove(to_remove.item);
-            backpack.insert(to_remove.item, InBackpack { owner: entity})
+            backpack
+                .insert(to_remove.item, InBackpack { owner: entity })
                 .expect("Unable to remove item and put in backpack");
         }
 

src/main.rs

@@ -19,6 +19,7 @@ pub mod saveload_system;
 mod spawner;
 mod visibility_system;
 
+use crate::inventory_system::ItemRemoveSystem;
 use components::*;
 use damage_system::DamageSystem;
 pub use game_log::GameLog;
@@ -30,7 +31,6 @@ use monster_ai_system::MonsterAI;
 use player::*;
 pub use rect::Rect;
 use visibility_system::VisibilitySystem;
-use crate::inventory_system::ItemRemoveSystem;
 
 /// Cut down on the amount of syntax to register components
 macro_rules! register {
@@ -63,6 +63,7 @@ pub enum RunState {
     SaveGame,
     NextLevel,
     ShowRemoveItem,
+    GameOver,
 }
 
 pub struct State {
@@ -282,6 +283,15 @@ impl GameState for State {
                     }
                 }
             }
+            RunState::GameOver => match gui::game_over(ctx) {
+                gui::GameOverResult::NoSelection => {}
+                gui::GameOverResult::QuitToMenu => {
+                    self.game_over_cleanup();
+                    newrunstate = RunState::MainMenu {
+                        menu_selection: gui::MainMenuSelection::NewGame,
+                    };
+                }
+            },
         }
 
         {
@@ -389,6 +399,53 @@ impl State {
             player_health.hp = i32::max(player_health.hp, player_health.max_hp / 2);
         }
     }
+
+    fn game_over_cleanup(&mut self) {
+        // Delete everything
+        let mut to_delete = Vec::new();
+        for e in self.ecs.entities().join() {
+            to_delete.push(e);
+        }
+        for del in to_delete.iter() {
+            self.ecs
+                .delete_entity(*del)
+                .expect("Failed to delete entity");
+        }
+
+        // Build a new map and place the player
+        let worldmap;
+        {
+            let mut worldmap_resource = self.ecs.write_resource::<Map>();
+            *worldmap_resource = Map::new_map_rooms_and_corridors(1);
+            worldmap = worldmap_resource.clone();
+        }
+
+        // Spawn bad guys
+        for room in worldmap.rooms.iter().skip(1) {
+            spawner::spawn_room(&mut self.ecs, room, 1);
+        }
+
+        // Place the player and update resources
+        let (player_x, player_y) = worldmap.rooms[0].center();
+        let player_entity = spawner::player(&mut self.ecs, player_x, player_y);
+        let mut player_position = self.ecs.write_resource::<Point>();
+        *player_position = Point::new(player_x, player_y);
+        let mut position_components = self.ecs.write_storage::<Position>();
+        let mut player_entity_writer = self.ecs.write_resource::<Entity>();
+        *player_entity_writer = player_entity;
+        let player_pos_comp = position_components.get_mut(player_entity);
+        if let Some(player_pos_comp) = player_pos_comp {
+            player_pos_comp.x = player_x;
+            player_pos_comp.y = player_y;
+        }
+
+        // Mark the player's visibility as dirty
+        let mut viewshed_components = self.ecs.write_storage::<Viewshed>();
+        let vs = viewshed_components.get_mut(player_entity);
+        if let Some(vs) = vs {
+            vs.dirty = true;
+        }
+    }
 }
 
 fn main() -> rltk::BError {