635 lines
21 KiB
Rust
635 lines
21 KiB
Rust
mod ai;
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pub mod camera;
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mod components;
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mod damage_system;
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mod game_log;
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mod gamesystem;
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mod gui;
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mod hunger_system;
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mod inventory_system;
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mod lighting_system;
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mod map;
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pub mod map_builders;
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mod map_indexing_system;
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mod melee_combat_system;
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mod particle_system;
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mod player;
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pub mod random_table;
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pub mod raws;
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mod rect;
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mod rex_assets;
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pub mod saveload_system;
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mod spatial;
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mod spawner;
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mod trigger_system;
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mod visibility_system;
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#[macro_use]
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extern crate lazy_static;
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use ::rltk::{GameState, Point, RandomNumberGenerator, Rltk};
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use ::specs::prelude::*;
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use ::specs::saveload::{SimpleMarker, SimpleMarkerAllocator};
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use components::*;
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use damage_system::DamageSystem;
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pub use game_log::GameLog;
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use gui::{show_cheat_mode, CheatMenuResult};
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use hunger_system::HungerSystem;
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use inventory_system::{ItemCollectionSystem, ItemDropSystem, ItemRemoveSystem, ItemUseSystem};
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use lighting_system::LightingSystem;
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pub use map::*;
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use map_indexing_system::MapIndexingSystem;
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use melee_combat_system::MeleeCombatSystem;
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use particle_system::ParticleSpawnSystem;
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use player::*;
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use raws::*;
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pub use rect::Rect;
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use trigger_system::TriggerSystem;
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use visibility_system::VisibilitySystem;
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/// Cut down on the amount of syntax to register components
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macro_rules! register {
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// $gs is needed to get the scope at the usage point
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// $Type is the Component type that is being registered
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($gs: ident <- $( $Type: ty ),*,) => {
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$(
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$gs.ecs.register::<$Type>();
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)*
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}
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}
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const SHOW_MAPGEN_VISUALIZER: bool = false;
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#[derive(PartialEq, Copy, Clone)]
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pub enum VendorMode {
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Buy,
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Sell,
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}
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#[derive(PartialEq, Copy, Clone)]
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pub enum RunState {
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AwaitingInput,
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PreRun,
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Ticking,
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ShowInventory,
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ShowDropItem,
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ShowTargeting {
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range: i32,
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item: Entity,
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},
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MainMenu {
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menu_selection: gui::MainMenuSelection,
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},
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SaveGame,
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NextLevel,
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PreviousLevel,
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ShowRemoveItem,
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GameOver,
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MagicMapReveal {
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row: i32,
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},
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MapGeneration,
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ShowCheatMenu,
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ShowVendor {
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vendor: Entity,
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mode: VendorMode,
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},
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}
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pub struct State {
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pub ecs: World,
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mapgen_next_state: Option<RunState>,
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mapgen_history: Vec<Map>,
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mapgen_index: usize,
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mapgen_timer: f32,
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}
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impl State {
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fn new() -> Self {
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State {
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ecs: World::new(),
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mapgen_next_state: Some(RunState::MainMenu {
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menu_selection: gui::MainMenuSelection::NewGame,
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}),
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mapgen_index: 0,
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mapgen_history: Vec::new(),
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mapgen_timer: 0.0,
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}
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}
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fn run_systems(&mut self) {
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let mut mapindex = MapIndexingSystem {};
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mapindex.run_now(&self.ecs);
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let mut vis = VisibilitySystem {};
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vis.run_now(&self.ecs);
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let mut encumbrance = ai::EncumbranceSystem {};
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encumbrance.run_now(&self.ecs);
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let mut initiative = ai::InitiativeSystem {};
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initiative.run_now(&self.ecs);
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let mut turnstatus = ai::TurnStatusSystem {};
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turnstatus.run_now(&self.ecs);
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let mut quipper = ai::QuipSystem {};
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quipper.run_now(&self.ecs);
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let mut adjacent = ai::AdjacentAI {};
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adjacent.run_now(&self.ecs);
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let mut visible = ai::VisibleAI {};
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visible.run_now(&self.ecs);
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let mut approach = ai::ApproachAI {};
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approach.run_now(&self.ecs);
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let mut flee = ai::FleeAI {};
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flee.run_now(&self.ecs);
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let mut chase = ai::ChaseAI {};
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chase.run_now(&self.ecs);
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let mut defaultmove = ai::DefaultMoveAI {};
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defaultmove.run_now(&self.ecs);
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let mut triggers = TriggerSystem {};
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triggers.run_now(&self.ecs);
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let mut melee = MeleeCombatSystem {};
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melee.run_now(&self.ecs);
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let mut damage = DamageSystem {};
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damage.run_now(&self.ecs);
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let mut pickup = ItemCollectionSystem {};
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pickup.run_now(&self.ecs);
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let mut items = ItemUseSystem {};
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items.run_now(&self.ecs);
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let mut drop_items = ItemDropSystem {};
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drop_items.run_now(&self.ecs);
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let mut item_remove = ItemRemoveSystem {};
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item_remove.run_now(&self.ecs);
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let mut hunger = HungerSystem {};
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hunger.run_now(&self.ecs);
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let mut particles = ParticleSpawnSystem {};
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particles.run_now(&self.ecs);
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let mut lighting = LightingSystem {};
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lighting.run_now(&self.ecs);
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self.ecs.maintain();
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}
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}
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impl GameState for State {
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fn tick(&mut self, ctx: &mut Rltk) {
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let mut newrunstate;
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{
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let runstate = self.ecs.fetch::<RunState>();
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newrunstate = *runstate;
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}
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ctx.cls();
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particle_system::cull_dead_particles(&mut self.ecs, ctx);
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match newrunstate {
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RunState::MainMenu { .. } => {}
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RunState::GameOver { .. } => {}
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_ => {
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camera::render_camera(&self.ecs, ctx);
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gui::draw_ui(&self.ecs, ctx);
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}
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}
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match newrunstate {
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RunState::MapGeneration => {
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if !SHOW_MAPGEN_VISUALIZER {
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newrunstate = self.mapgen_next_state.unwrap();
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}
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ctx.cls();
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if self.mapgen_index < self.mapgen_history.len() {
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camera::render_debug_map(&self.mapgen_history[self.mapgen_index], ctx);
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}
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self.mapgen_timer += ctx.frame_time_ms;
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if self.mapgen_timer > 300.0 {
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self.mapgen_timer = 0.0;
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self.mapgen_index += 1;
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if self.mapgen_index >= self.mapgen_history.len() {
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newrunstate = self.mapgen_next_state.unwrap();
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}
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}
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}
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RunState::PreRun => {
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self.run_systems();
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self.ecs.maintain();
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newrunstate = RunState::AwaitingInput;
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}
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RunState::AwaitingInput => {
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newrunstate = player_input(self, ctx);
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}
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RunState::Ticking => {
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while newrunstate == RunState::Ticking {
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self.run_systems();
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self.ecs.maintain();
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newrunstate = match *self.ecs.fetch::<RunState>() {
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RunState::AwaitingInput => RunState::AwaitingInput,
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RunState::MagicMapReveal { .. } => RunState::MagicMapReveal { row: 0 },
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_ => RunState::Ticking,
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};
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}
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}
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RunState::ShowInventory => {
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let result = gui::show_inventory(self, ctx);
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match result.0 {
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gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
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gui::ItemMenuResult::NoResponse => {}
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gui::ItemMenuResult::Selected => {
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let item_entity = result.1.unwrap();
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let is_ranged = self.ecs.read_storage::<Ranged>();
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if let Some(is_item_ranged) = is_ranged.get(item_entity) {
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newrunstate = RunState::ShowTargeting {
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range: is_item_ranged.range,
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item: item_entity,
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};
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} else {
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let mut intent = self.ecs.write_storage::<WantsToUseItem>();
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intent
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.insert(
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*self.ecs.fetch::<Entity>(),
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WantsToUseItem {
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item: item_entity,
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target: None,
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},
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)
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.expect("failed to add intent to use item");
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newrunstate = RunState::Ticking;
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}
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}
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}
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}
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RunState::ShowDropItem => {
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let result = gui::drop_item_menu(self, ctx);
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match result.0 {
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gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
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gui::ItemMenuResult::NoResponse => {}
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gui::ItemMenuResult::Selected => {
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let item_entity = result.1.unwrap();
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let mut intent = self.ecs.write_storage::<WantsToDropItem>();
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intent
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.insert(
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*self.ecs.fetch::<Entity>(),
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WantsToDropItem { item: item_entity },
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)
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.expect("failed to add intent to drop item");
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newrunstate = RunState::Ticking;
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}
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}
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}
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RunState::ShowRemoveItem => {
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let result = gui::remove_item_menu(self, ctx);
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match result.0 {
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gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
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gui::ItemMenuResult::NoResponse => {}
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gui::ItemMenuResult::Selected => {
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let item_entity = result.1.unwrap();
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let mut intent = self.ecs.write_storage::<WantsToRemoveItem>();
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intent
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.insert(
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*self.ecs.fetch::<Entity>(),
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WantsToRemoveItem { item: item_entity },
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)
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.expect("Unable to insert intent to remove item");
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newrunstate = RunState::Ticking;
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}
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}
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}
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RunState::ShowTargeting { range, item } => {
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let result = gui::ranged_target(self, ctx, range);
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match result.0 {
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gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
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gui::ItemMenuResult::NoResponse => {}
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gui::ItemMenuResult::Selected => {
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let mut intent = self.ecs.write_storage::<WantsToUseItem>();
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intent
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.insert(
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*self.ecs.fetch::<Entity>(),
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WantsToUseItem {
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item,
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target: result.1,
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},
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)
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.expect("failed to add intent to use item");
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newrunstate = RunState::Ticking;
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}
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}
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}
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RunState::MainMenu { .. } => match gui::main_menu(self, ctx) {
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gui::MainMenuResult::NoSelection { selected } => {
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newrunstate = RunState::MainMenu {
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menu_selection: selected,
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}
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}
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gui::MainMenuResult::Selected { selected } => match selected {
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gui::MainMenuSelection::NewGame => newrunstate = RunState::PreRun,
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gui::MainMenuSelection::LoadGame => {
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saveload_system::load_game(&mut self.ecs);
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newrunstate = RunState::AwaitingInput;
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saveload_system::delete_save();
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}
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gui::MainMenuSelection::Quit => {
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::std::process::exit(0);
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}
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},
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},
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RunState::GameOver => match gui::game_over(ctx) {
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gui::GameOverResult::NoSelection => {}
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gui::GameOverResult::QuitToMenu => {
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self.game_over_cleanup();
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newrunstate = RunState::MainMenu {
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menu_selection: gui::MainMenuSelection::NewGame,
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};
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}
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},
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RunState::SaveGame => {
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saveload_system::save_game(&mut self.ecs);
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newrunstate = RunState::MainMenu {
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menu_selection: gui::MainMenuSelection::LoadGame,
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}
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}
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RunState::NextLevel => {
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self.goto_level(1);
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newrunstate = RunState::PreRun;
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}
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RunState::PreviousLevel => {
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self.goto_level(-1);
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self.mapgen_next_state = Some(RunState::PreRun);
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newrunstate = RunState::MapGeneration;
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}
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RunState::MagicMapReveal { row } => {
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let mut map = self.ecs.fetch_mut::<Map>();
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for x in 0..map.width {
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let idx = map.xy_idx(x as i32, row);
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map.revealed_tiles[idx] = true;
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}
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if row == map.height - 1 {
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newrunstate = RunState::Ticking;
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} else {
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newrunstate = RunState::MagicMapReveal { row: row + 1 };
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}
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}
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RunState::ShowCheatMenu => match show_cheat_mode(self, ctx) {
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CheatMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
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CheatMenuResult::NoResponse => {}
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CheatMenuResult::TeleportToExit => {
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self.goto_level(1);
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self.mapgen_next_state = Some(RunState::PreRun);
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newrunstate = RunState::MapGeneration
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}
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CheatMenuResult::Heal => {
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let player = self.ecs.fetch::<Entity>();
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let mut pools = self.ecs.write_storage::<Pools>();
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let mut player_pools = pools.get_mut(*player).unwrap();
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player_pools.hit_points.current = player_pools.hit_points.max;
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newrunstate = RunState::AwaitingInput;
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}
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CheatMenuResult::Reveal => {
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let mut map = self.ecs.fetch_mut::<Map>();
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for v in map.revealed_tiles.iter_mut() {
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*v = true;
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}
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newrunstate = RunState::AwaitingInput;
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}
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CheatMenuResult::GodMode => {
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let player = self.ecs.fetch::<Entity>();
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let mut pools = self.ecs.write_storage::<Pools>();
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let mut player_pools = pools.get_mut(*player).unwrap();
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player_pools.god_mode = true;
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newrunstate = RunState::AwaitingInput;
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}
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},
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RunState::ShowVendor { vendor, mode } => {
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let result = gui::show_vendor_menu(self, ctx, vendor, mode);
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match result.0 {
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gui::VendorResult::Cancel => newrunstate = RunState::AwaitingInput,
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gui::VendorResult::NoResponse => {}
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gui::VendorResult::Sell => {
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let price = self
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.ecs
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.read_storage::<Item>()
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.get(result.1.unwrap())
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.unwrap()
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.base_value
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* 0.8;
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self.ecs
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.write_storage::<Pools>()
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.get_mut(*self.ecs.fetch::<Entity>())
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.unwrap()
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.gold += price;
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self.ecs
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.delete_entity(result.1.unwrap())
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.expect("Unable to delete sold item");
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}
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gui::VendorResult::Buy => {
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let tag = result.2.unwrap();
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let price = result.3.unwrap();
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let mut pools = self.ecs.write_storage::<Pools>();
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let player_pools = pools.get_mut(*self.ecs.fetch::<Entity>()).unwrap();
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if player_pools.gold >= price {
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player_pools.gold -= price;
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std::mem::drop(pools);
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let player_entity = *self.ecs.fetch::<Entity>();
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spawn_named_item(
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&RAWS.lock().unwrap(),
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&mut self.ecs,
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&tag,
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SpawnType::Carried { by: player_entity },
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);
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}
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}
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gui::VendorResult::BuyMode => {
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newrunstate = RunState::ShowVendor {
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vendor,
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mode: VendorMode::Buy,
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}
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}
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gui::VendorResult::SellMode => {
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newrunstate = RunState::ShowVendor {
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vendor,
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mode: VendorMode::Sell,
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}
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}
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}
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}
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}
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{
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let mut runwriter = self.ecs.write_resource::<RunState>();
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*runwriter = newrunstate;
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}
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damage_system::delete_the_dead(&mut self.ecs);
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}
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}
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impl State {
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fn goto_level(&mut self, offset: i32) {
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freeze_level_entities(&mut self.ecs);
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// Build a new map and place the player
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let current_depth = self.ecs.fetch::<Map>().depth;
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self.generate_world_map(current_depth + offset, offset);
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// Notify the player
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let mut gamelog = self.ecs.fetch_mut::<GameLog>();
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gamelog.append("You change level.");
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}
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fn game_over_cleanup(&mut self) {
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// Delete everything
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let mut to_delete = Vec::new();
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for e in self.ecs.entities().join() {
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to_delete.push(e);
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}
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for del in to_delete.iter() {
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self.ecs
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.delete_entity(*del)
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.expect("Failed to delete entity");
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}
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// Spawn a new player
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{
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let player_entity = spawner::player(&mut self.ecs, 0, 0);
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let mut player_entity_writer = self.ecs.write_resource::<Entity>();
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*player_entity_writer = player_entity;
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}
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// Replace the world maps
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self.ecs.insert(map::MasterDungeonMap::new());
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// Build a new map and place the player
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self.generate_world_map(1, 0);
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}
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fn generate_world_map(&mut self, new_depth: i32, offset: i32) {
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self.mapgen_index = 0;
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self.mapgen_timer = 0.0;
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self.mapgen_history.clear();
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if let Some(history) = map::level_transition(&mut self.ecs, new_depth, offset) {
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self.mapgen_history = history;
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|
} else {
|
|
map::thaw_level_entities(&mut self.ecs);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn main() -> ::rltk::BError {
|
|
let context = ::rltk::RltkBuilder::simple(80, 60)
|
|
.unwrap()
|
|
.with_title("Roguelike Tutorial")
|
|
.build()?;
|
|
|
|
let mut gs = State::new();
|
|
|
|
register!(
|
|
gs <-
|
|
AreaOfEffect,
|
|
Attributes,
|
|
BlocksTile,
|
|
BlocksVisibility,
|
|
Chasing,
|
|
Confusion,
|
|
Consumable,
|
|
Door,
|
|
DMSerializationHelper,
|
|
EntityMoved,
|
|
EntryTrigger,
|
|
Equippable,
|
|
Equipped,
|
|
EquipmentChanged,
|
|
Faction,
|
|
Hidden,
|
|
HungerClock,
|
|
InBackpack,
|
|
InflictsDamage,
|
|
Initiative,
|
|
Item,
|
|
LightSource,
|
|
LootTable,
|
|
MagicMapper,
|
|
MeleeWeapon,
|
|
MoveMode,
|
|
MyTurn,
|
|
Name,
|
|
NaturalAttackDefense,
|
|
OtherLevelPosition,
|
|
ParticleLifetime,
|
|
Player,
|
|
Pools,
|
|
Position,
|
|
ProvidesFood,
|
|
ProvidesHealing,
|
|
Quips,
|
|
Ranged,
|
|
Renderable,
|
|
SerializationHelper,
|
|
SimpleMarker<SerializeMe>,
|
|
SingleActivation,
|
|
Skills,
|
|
SufferDamage,
|
|
Vendor,
|
|
Viewshed,
|
|
WantsToApproach,
|
|
WantsToDropItem,
|
|
WantsToFlee,
|
|
WantsToMelee,
|
|
WantsToPickupItem,
|
|
WantsToRemoveItem,
|
|
WantsToUseItem,
|
|
Wearable,
|
|
);
|
|
|
|
gs.ecs.insert(SimpleMarkerAllocator::<SerializeMe>::new());
|
|
|
|
raws::load_raws();
|
|
|
|
gs.ecs.insert(map::MasterDungeonMap::new());
|
|
gs.ecs.insert(Map::new(1, 64, 64, "New Map"));
|
|
gs.ecs.insert(Point::zero());
|
|
gs.ecs.insert(RandomNumberGenerator::new());
|
|
|
|
let player_entity = spawner::player(&mut gs.ecs, 0, 0);
|
|
gs.ecs.insert(player_entity);
|
|
|
|
gs.ecs.insert(RunState::MapGeneration {});
|
|
gs.ecs.insert(GameLog::new("Welcome to Rusty Roguelike"));
|
|
gs.ecs.insert(particle_system::ParticleBuilder::new());
|
|
gs.ecs.insert(rex_assets::RexAssets::new());
|
|
|
|
gs.generate_world_map(1, 0);
|
|
|
|
::rltk::main_loop(context, gs)
|
|
}
|