WIP traveling persons

src/app.rs

@@ -1,4 +1,4 @@
-use std::rc::Rc;
+use std::{rc::Rc};
 
 use crossterm::event::{read, Event, KeyCode};
 use tui::{Terminal, backend::Backend, Frame, layout::Layout};
@@ -41,7 +41,7 @@ impl<'a> App<'a> {
         match &self.status {
             AppStatus::Initial => {
                 // determine guests
-                self.guest_list = self.state.people.iter().map(|guest| {
+                self.guest_list = self.state.guests().iter().map(|guest| {
                     tui::widgets::ListItem::new(guest.name.clone())
                 }).collect();
                 self.guest_state = tui::widgets::ListState::default();
@@ -67,9 +67,13 @@ impl<'a> App<'a> {
                             },
                             KeyCode::Enter => {
                                 let selected = self.guest_state.selected().unwrap();
-                                let guest = &self.state.people[selected];
+                                let guest = &self.state.guests()[selected];
                                 self.status = AppStatus::TalkToGuest(guest.clone());
                             },
+                            KeyCode::Char('.') => {
+                                self.state.step();
+                                self.status = AppStatus::Initial;
+                            },
                             KeyCode::Esc => {
                                 return false;
                             },
@@ -143,6 +147,9 @@ impl<'a> App<'a> {
             tui::text::Span::styled("⏎", key_style),
             tui::text::Span::raw(" talk to guest"),
             tui::text::Span::raw("    "),
+            tui::text::Span::styled(".", key_style),
+            tui::text::Span::raw(" pass one day"),
+            tui::text::Span::raw("    "),
             tui::text::Span::styled("Esc", key_style),
             tui::text::Span::raw(" quit"),
 

src/events/mod.rs

@@ -1,7 +1,9 @@
 mod found_town;
 mod world_genesis;
 mod person_genesis;
+mod tavern_built;
 
 pub use found_town::FoundTown;
 pub use world_genesis::WorldGenesis;
 pub use person_genesis::PersonGenesis;
+pub use tavern_built::TavernBuilt;

src/events/tavern_built.rs

@@ -0,0 +1,20 @@
+use std::rc::Rc;
+
+use crate::{state::{GameState, Effect}, world::{Structure, Tavern}};
+
+pub struct TavernBuilt {
+    pub x: usize,
+    pub y: usize,
+    pub tavern: Rc<Tavern>,
+}
+
+impl Effect for TavernBuilt {
+    fn apply(&self, state: &mut GameState) {
+        state.world.add_structure(self.x, self.y, Structure::Tavern(self.tavern.clone()));
+        state.set_tavern(self.tavern.clone());
+    }
+
+    fn description(&self) -> String {
+        format!("{} was built", self.tavern.name)
+    }
+}

src/person.rs

@@ -1,6 +1,8 @@
 use std::{rc::Rc, fmt::Display};
+use rand::seq::SliceRandom;
+use rand::prelude::*;
 
-use crate::{time::Time, world::Town, generators::PersonNameGenerator};
+use crate::{time::Time, world::Town, generators::PersonNameGenerator, state::GameState};
 
 pub enum Profession {
     Peasant,
@@ -8,12 +10,18 @@ pub enum Profession {
     Blacksmith,
 }
 
+pub enum Agenda {
+    Idle,
+    Traveling([usize; 2]),
+}
+
 pub struct Person {
     pub name: String,
     pub birth_date: Time,
     pub birth_location: Rc<Town>,
     pub profession: Profession,
     pub location: [usize; 2],
+    pub agenda: Agenda,
 }
 
 impl Person {
@@ -24,6 +32,36 @@ impl Person {
             birth_location: birth_location,
             profession: Profession::Peasant,
             location: [0, 0],
+            agenda: Agenda::Idle,
+        }
+    }
+
+    pub fn step(&mut self, state: &mut GameState) {
+        match &self.agenda {
+            Agenda::Idle => {
+                // do nothing
+                // pick random destination
+                let mut rng = rand::thread_rng();
+                let dest = state.world.structures.keys().choose(&mut rng);
+                self.agenda = Agenda::Traveling(*dest.unwrap());
+            },
+            Agenda::Traveling(destination) => {
+                // TDOO: A* pathfinding with terrain costs
+                // move towards destination
+                if self.location[0] < destination[0] {
+                    self.location[0] += 1;
+                } else if self.location[0] > destination[0] {
+                    self.location[0] -= 1;
+                }
+                if self.location[1] < destination[1] {
+                    self.location[1] += 1;
+                } else if self.location[1] > destination[1] {
+                    self.location[1] -= 1;
+                }
+                if self.location == *destination {
+                    self.agenda = Agenda::Idle;
+                }
+            },
         }
     }
 }

src/state.rs

@@ -4,13 +4,14 @@ use std::rc::Rc;
 use rand::prelude::*;
 use crate::person::Person;
 use crate::time::Time;
-use crate::world::{World, Terrain, Town};
-use crate::events::{FoundTown, WorldGenesis, PersonGenesis};
+use crate::world::{World, Terrain, Town, Tavern, Structure};
+use crate::events::{FoundTown, WorldGenesis, PersonGenesis, TavernBuilt};
 pub struct GameState {
     pub time: Time,
     pub world: World,
     pub people: Vec<Rc<Person>>,
-    pub events: Vec<Box<Event>>
+    pub events: Vec<Box<Event>>,
+    pub tavern: Option<Rc<Tavern>>,
 }
 
 pub struct Event {
@@ -43,15 +44,23 @@ impl GameState {
             people: Vec::new(),
             world: world,
             events: events,
+            tavern: None,
         }
     }
 
+    pub fn set_tavern(&mut self, tavern: Rc<Tavern>) {
+        self.tavern = Some(tavern);
+    }
+
     pub fn add_event(&mut self, event: Event) {
         event.effect.apply(self);
         self.events.push(Box::new(event));
     }
 
     pub fn step(&mut self) {
+        // for p in self.people.iter() {
+        //     p.step(self);
+        // }
         self.time.time += 1;
     }
 
@@ -67,6 +76,28 @@ impl GameState {
         }
     }
 
+
+    /**
+     * Getters
+     */
+
+    pub fn guests(&self) -> Vec<Rc<Person>> {
+        match &self.tavern {
+            Some(tavern) => {
+                let loc = self.world.get_tavern_location(tavern);
+                self.people.iter().filter(|person| {
+                    person.location == loc
+                }).map(|p| p.clone()).collect()
+            },
+            None => Vec::new(),
+        }
+        
+    }
+
+    /**
+     * Function to populate the world at genesis
+     */
+
     pub fn found_town(&mut self) {  
         let mut rng = rand::thread_rng();  
         loop {
@@ -109,4 +140,25 @@ impl GameState {
     pub fn add_person(&mut self, person: Rc<Person>) {
         self.people.push(person);
     }
+
+    pub fn build_tavern(&mut self) {
+        let mut rng = rand::thread_rng();  
+        loop {
+            let x = rng.gen_range(0..self.world.size);
+            let y = rng.gen_range(0..self.world.size);
+            if 
+                self.world.map[x][y].terrain == Terrain::Flats ||
+                self.world.map[x][y].terrain == Terrain::Hills
+            {
+                self.add_event(Event {
+                    time: self.time,
+                    effect: Box::new(TavernBuilt {
+                        x: x,
+                        y: y,
+                        tavern: Rc::new(Tavern::new()),
+                    })
+                });
+            }
+        }
+    }
 }

src/world.rs

@@ -1,4 +1,4 @@
-use std::rc::Rc;
+use std::{rc::Rc, collections::HashMap};
 use rand::prelude::*;
 
 use crate::generators::TownNameGenerator;
@@ -19,25 +19,29 @@ pub struct Town {
     pub name: String,
 }
 
+pub struct Tavern {
+    pub name: String,
+}
+
 pub enum Structure {
     Town(Rc<Town>),
+    Tavern(Rc<Tavern>),
 }
 
 pub struct WorldCell {
     pub terrain: Terrain,
-    pub structure: Option<Structure>,
 }
 
 pub struct World {
     pub map: Vec<Vec<WorldCell>>,
     pub size: usize,
+    pub structures: HashMap<[usize; 2], Structure>
 }
 
 impl WorldCell {
     pub fn new(terrain: Terrain) -> WorldCell {
         WorldCell {
             terrain: terrain,
-            structure: None,
         }
     }
 }
@@ -55,26 +59,43 @@ impl World {
         World {
             map: map,
             size: size,
+            structures: HashMap::new(),
         }
     }
 
     pub fn add_structure(&mut self, x: usize, y: usize, structure: Structure) {
-        self.map[x][y].structure = Some(structure);
+        self.structures.insert([x, y], structure);
     }
 
 
     pub fn get_town_location(&self, town: &Rc<Town>) -> [usize; 2] {
-        for x in 0..self.size {
-            for y in 0..self.size {
-                if let Some(Structure::Town(t)) = &self.map[x][y].structure {
-                    if Rc::ptr_eq(&t, town) {
-                        return [x, y];
+        for (location, structure) in self.structures.iter() {
+            match structure {
+                Structure::Town(t) => {
+                    if Rc::ptr_eq(t, town) {
+                        return *location;
                     }
                 }
+                _ => {}
             }
         }
         panic!("Town not found");
     }
+
+    pub fn get_tavern_location(&self, tavern: &Rc<Tavern>) -> [usize; 2] {
+        for (location, structure) in self.structures.iter() {
+            match structure {
+                Structure::Tavern(t) => {
+                    if Rc::ptr_eq(t, tavern) {
+                        return *location;
+                    }
+                }
+                _ => {}
+            }
+        }
+        panic!("Tavern not found");
+    }
+
 }
 
 impl Terrain {
@@ -117,3 +138,11 @@ impl Town {
         }
     }
 }
+
+impl Tavern {
+    pub fn new() -> Tavern {
+        Tavern {
+            name: TownNameGenerator::name(),
+        }
+    }
+}