83 lines
2.2 KiB
Rust
83 lines
2.2 KiB
Rust
use crate::{state::{GameState, Event}, entity::EntityId};
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/**
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* This is the main game struct.
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* It takes care of stepping the game forward.
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* Changes are made to the state struct through the step function.
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*/
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pub struct Game {
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pub state: GameState,
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}
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impl Game {
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pub fn new(state: GameState) -> Game {
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Game {
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state: state,
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}
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}
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pub fn step(&mut self) {
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// get list of all people ids
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let ids: Vec<EntityId> = self.state.creatures.keys().map(|id| *id).collect();
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// step each person
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for id in ids {
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let person = self.state.creatures.get(&id);
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if let Some(p) = person {
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let mut p = p.clone();
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let actions = p.step(&self.state.world);
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for action in actions {
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self.state.apply_action(action);
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}
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self.state.creatures.insert(id, p);
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self.state.pay_upkeep(id);
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}
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}
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// increment time
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self.state.time.time += 1;
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}
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}
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#[cfg(test)]
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mod tests {
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use crate::{world::{World, Terrain}, creature::{Creature, Agenda}, time::Time, entity::Location};
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use super::*;
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#[test]
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fn test_step() {
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let state = GameState::new(World::new(100));
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let mut game = Game::new(state);
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game.step();
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assert_eq!(game.state.time.time, 1);
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}
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#[test]
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fn test_step_creature() {
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let mut state = GameState::new(World::new(2));
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state.world.map[0][0].terrain = Terrain::Flats;
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state.world.map[0][1].terrain = Terrain::Flats;
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state.world.map[1][0].terrain = Terrain::Hills;
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state.world.map[1][1].terrain = Terrain::Hills;
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let mut creature = Creature::new(
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Time { time: 0 },
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Location { x: 0, y: 0 },
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crate::creature::Profession::Adventurer,
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);
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creature.set_agenda(Agenda::Traveling(Location { x: 2, y: 2 }));
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let id = state.add_person(creature);
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let mut game = Game::new(state);
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game.step();
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assert_eq!(game.state.creatures.len(), 1);
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assert_eq!(game.state.creatures[&id].loc, Location { x: 1, y: 1 });
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}
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} |