roguelike-game/src/main.rs

538 lines
17 KiB
Rust
Raw Normal View History

2022-01-11 09:24:20 -05:00
mod ai;
pub mod camera;
2021-10-22 10:05:06 -04:00
mod components;
mod damage_system;
2021-11-04 10:44:52 -04:00
mod game_log;
2022-01-03 15:21:12 -05:00
mod gamesystem;
mod gui;
2021-11-18 10:28:49 -05:00
mod hunger_system;
mod inventory_system;
2022-01-10 10:21:19 -05:00
mod lighting_system;
2021-10-22 10:05:06 -04:00
mod map;
pub mod map_builders;
mod map_indexing_system;
mod melee_combat_system;
2021-11-16 11:33:58 -05:00
mod particle_system;
2021-10-22 10:05:06 -04:00
mod player;
pub mod random_table;
pub mod raws;
2021-10-22 10:05:06 -04:00
mod rect;
2021-11-29 14:59:46 -05:00
mod rex_assets;
2021-11-08 13:58:40 -05:00
pub mod saveload_system;
mod spawner;
2021-11-29 16:00:07 -05:00
mod trigger_system;
2021-10-25 15:26:39 -04:00
mod visibility_system;
2021-12-23 11:38:37 -05:00
#[macro_use]
extern crate lazy_static;
use ::rltk::{GameState, Point, RandomNumberGenerator, Rltk};
use ::specs::prelude::*;
use ::specs::saveload::{SimpleMarker, SimpleMarkerAllocator};
2021-11-05 14:32:14 -04:00
use components::*;
2021-10-29 15:15:22 -04:00
use damage_system::DamageSystem;
2021-11-04 10:44:52 -04:00
pub use game_log::GameLog;
2022-01-07 09:39:47 -05:00
use gui::{show_cheat_mode, CheatMenuResult};
use hunger_system::HungerSystem;
use inventory_system::{ItemCollectionSystem, ItemDropSystem, ItemRemoveSystem, ItemUseSystem};
2022-01-10 10:21:19 -05:00
use lighting_system::LightingSystem;
pub use map::*;
use map_indexing_system::MapIndexingSystem;
use melee_combat_system::MeleeCombatSystem;
use particle_system::ParticleSpawnSystem;
use player::*;
pub use rect::Rect;
use trigger_system::TriggerSystem;
use visibility_system::VisibilitySystem;
2021-10-25 15:26:39 -04:00
/// Cut down on the amount of syntax to register components
macro_rules! register {
// $gs is needed to get the scope at the usage point
// $Type is the Component type that is being registered
($gs: ident <- $( $Type: ty ),*,) => {
$(
$gs.ecs.register::<$Type>();
)*
}
}
2022-01-04 12:12:08 -05:00
const SHOW_MAPGEN_VISUALIZER: bool = false;
2021-10-26 15:43:59 -04:00
#[derive(PartialEq, Copy, Clone)]
pub enum RunState {
2021-10-29 15:15:22 -04:00
AwaitingInput,
PreRun,
Ticking,
2021-11-03 15:11:19 -04:00
ShowInventory,
2021-11-04 09:40:58 -04:00
ShowDropItem,
2021-11-08 10:22:11 -05:00
ShowTargeting {
range: i32,
item: Entity,
},
MainMenu {
menu_selection: gui::MainMenuSelection,
},
2021-11-08 13:58:40 -05:00
SaveGame,
2021-11-09 15:50:42 -05:00
NextLevel,
2022-01-06 09:13:40 -05:00
PreviousLevel,
2021-11-15 11:32:09 -05:00
ShowRemoveItem,
2021-11-15 13:27:40 -05:00
GameOver,
MagicMapReveal {
row: i32,
},
MapGeneration,
2022-01-07 09:39:47 -05:00
ShowCheatMenu,
2021-10-26 15:43:59 -04:00
}
2021-10-22 10:05:06 -04:00
pub struct State {
2021-10-26 15:43:59 -04:00
pub ecs: World,
mapgen_next_state: Option<RunState>,
mapgen_history: Vec<Map>,
mapgen_index: usize,
mapgen_timer: f32,
2021-10-21 12:54:39 -04:00
}
2021-10-20 12:01:15 -04:00
2021-10-25 14:23:19 -04:00
impl State {
fn new() -> Self {
State {
ecs: World::new(),
mapgen_next_state: Some(RunState::MainMenu {
menu_selection: gui::MainMenuSelection::NewGame,
}),
mapgen_index: 0,
mapgen_history: Vec::new(),
mapgen_timer: 0.0,
}
}
2021-10-25 14:23:19 -04:00
fn run_systems(&mut self) {
let mut mapindex = MapIndexingSystem {};
mapindex.run_now(&self.ecs);
2021-10-25 15:26:39 -04:00
let mut vis = VisibilitySystem {};
vis.run_now(&self.ecs);
let mut initiative = ai::InitiativeSystem {};
initiative.run_now(&self.ecs);
2022-01-11 10:30:32 -05:00
let mut turnstatus = ai::TurnStatusSystem {};
turnstatus.run_now(&self.ecs);
let mut quipper = ai::QuipSystem {};
quipper.run_now(&self.ecs);
2022-01-11 14:16:23 -05:00
let mut adjacent = ai::AdjacentAI {};
adjacent.run_now(&self.ecs);
2021-10-26 15:43:59 -04:00
2022-01-11 14:16:23 -05:00
let mut visible = ai::VisibleAI {};
visible.run_now(&self.ecs);
2022-01-11 14:16:23 -05:00
let mut approach = ai::ApproachAI {};
approach.run_now(&self.ecs);
let mut flee = ai::FleeAI {};
flee.run_now(&self.ecs);
let mut defaultmove = ai::DefaultMoveAI {};
defaultmove.run_now(&self.ecs);
let mut triggers = TriggerSystem {};
triggers.run_now(&self.ecs);
2021-10-29 15:15:22 -04:00
let mut melee = MeleeCombatSystem {};
melee.run_now(&self.ecs);
let mut damage = DamageSystem {};
damage.run_now(&self.ecs);
2021-11-03 15:11:19 -04:00
let mut pickup = ItemCollectionSystem {};
pickup.run_now(&self.ecs);
let mut items = ItemUseSystem {};
items.run_now(&self.ecs);
2021-11-03 15:59:23 -04:00
2021-11-04 09:40:58 -04:00
let mut drop_items = ItemDropSystem {};
drop_items.run_now(&self.ecs);
2021-11-15 11:32:09 -05:00
let mut item_remove = ItemRemoveSystem {};
item_remove.run_now(&self.ecs);
let mut hunger = HungerSystem {};
2021-11-18 10:28:49 -05:00
hunger.run_now(&self.ecs);
let mut particles = ParticleSpawnSystem {};
2021-11-16 11:33:58 -05:00
particles.run_now(&self.ecs);
2022-01-10 10:21:19 -05:00
let mut lighting = LightingSystem {};
lighting.run_now(&self.ecs);
2021-10-25 14:23:19 -04:00
self.ecs.maintain();
}
}
2021-10-20 12:01:15 -04:00
impl GameState for State {
fn tick(&mut self, ctx: &mut Rltk) {
2021-11-08 10:22:11 -05:00
let mut newrunstate;
{
2021-11-08 10:22:11 -05:00
let runstate = self.ecs.fetch::<RunState>();
newrunstate = *runstate;
}
2021-11-08 10:22:11 -05:00
ctx.cls();
2021-11-16 11:33:58 -05:00
particle_system::cull_dead_particles(&mut self.ecs, ctx);
2021-11-08 10:22:11 -05:00
match newrunstate {
2021-11-09 10:38:56 -05:00
RunState::MainMenu { .. } => {}
2021-11-29 16:00:07 -05:00
RunState::GameOver { .. } => {}
2021-11-08 10:22:11 -05:00
_ => {
camera::render_camera(&self.ecs, ctx);
gui::draw_ui(&self.ecs, ctx);
}
2021-10-29 15:15:22 -04:00
}
match newrunstate {
RunState::MapGeneration => {
if !SHOW_MAPGEN_VISUALIZER {
newrunstate = self.mapgen_next_state.unwrap();
}
ctx.cls();
2021-12-17 16:54:36 -05:00
if self.mapgen_index < self.mapgen_history.len() {
camera::render_debug_map(&self.mapgen_history[self.mapgen_index], ctx);
}
self.mapgen_timer += ctx.frame_time_ms;
if self.mapgen_timer > 300.0 {
self.mapgen_timer = 0.0;
self.mapgen_index += 1;
if self.mapgen_index >= self.mapgen_history.len() {
newrunstate = self.mapgen_next_state.unwrap();
}
}
}
2021-10-29 15:15:22 -04:00
RunState::PreRun => {
self.run_systems();
2021-11-03 15:59:23 -04:00
self.ecs.maintain();
2021-10-29 15:15:22 -04:00
newrunstate = RunState::AwaitingInput;
}
RunState::AwaitingInput => {
newrunstate = player_input(self, ctx);
}
RunState::Ticking => {
2021-10-29 15:15:22 -04:00
self.run_systems();
2021-11-03 15:59:23 -04:00
self.ecs.maintain();
newrunstate = match *self.ecs.fetch::<RunState>() {
RunState::AwaitingInput => RunState::AwaitingInput,
RunState::MagicMapReveal { .. } => RunState::MagicMapReveal { row: 0 },
_ => RunState::Ticking,
};
2021-10-29 15:15:22 -04:00
}
2021-11-03 15:11:19 -04:00
RunState::ShowInventory => {
2021-11-03 15:59:23 -04:00
let result = gui::show_inventory(self, ctx);
match result.0 {
gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
gui::ItemMenuResult::NoResponse => {}
gui::ItemMenuResult::Selected => {
let item_entity = result.1.unwrap();
2021-11-05 10:42:44 -04:00
let is_ranged = self.ecs.read_storage::<Ranged>();
if let Some(is_item_ranged) = is_ranged.get(item_entity) {
2021-11-05 10:42:44 -04:00
newrunstate = RunState::ShowTargeting {
range: is_item_ranged.range,
item: item_entity,
};
} else {
let mut intent = self.ecs.write_storage::<WantsToUseItem>();
intent
.insert(
*self.ecs.fetch::<Entity>(),
WantsToUseItem {
item: item_entity,
target: None,
},
)
.expect("failed to add intent to use item");
newrunstate = RunState::Ticking;
2021-11-05 10:42:44 -04:00
}
2021-11-03 15:59:23 -04:00
}
2021-11-03 15:11:19 -04:00
}
}
2021-11-04 09:40:58 -04:00
RunState::ShowDropItem => {
let result = gui::drop_item_menu(self, ctx);
match result.0 {
gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
gui::ItemMenuResult::NoResponse => {}
gui::ItemMenuResult::Selected => {
let item_entity = result.1.unwrap();
let mut intent = self.ecs.write_storage::<WantsToDropItem>();
intent
.insert(
*self.ecs.fetch::<Entity>(),
WantsToDropItem { item: item_entity },
)
.expect("failed to add intent to drop item");
newrunstate = RunState::Ticking;
2021-11-04 09:40:58 -04:00
}
}
}
RunState::ShowRemoveItem => {
let result = gui::remove_item_menu(self, ctx);
match result.0 {
gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
gui::ItemMenuResult::NoResponse => {}
gui::ItemMenuResult::Selected => {
let item_entity = result.1.unwrap();
let mut intent = self.ecs.write_storage::<WantsToRemoveItem>();
intent
.insert(
*self.ecs.fetch::<Entity>(),
WantsToRemoveItem { item: item_entity },
)
.expect("Unable to insert intent to remove item");
newrunstate = RunState::Ticking;
}
}
}
2021-11-05 10:42:44 -04:00
RunState::ShowTargeting { range, item } => {
let result = gui::ranged_target(self, ctx, range);
match result.0 {
gui::ItemMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
gui::ItemMenuResult::NoResponse => {}
gui::ItemMenuResult::Selected => {
let mut intent = self.ecs.write_storage::<WantsToUseItem>();
intent
.insert(
*self.ecs.fetch::<Entity>(),
WantsToUseItem {
item,
target: result.1,
},
)
.expect("failed to add intent to use item");
newrunstate = RunState::Ticking;
2021-11-05 10:42:44 -04:00
}
}
}
2021-11-09 10:38:56 -05:00
RunState::MainMenu { .. } => match gui::main_menu(self, ctx) {
gui::MainMenuResult::NoSelection { selected } => {
newrunstate = RunState::MainMenu {
menu_selection: selected,
2021-11-08 10:22:11 -05:00
}
}
2021-11-09 10:38:56 -05:00
gui::MainMenuResult::Selected { selected } => match selected {
gui::MainMenuSelection::NewGame => newrunstate = RunState::PreRun,
gui::MainMenuSelection::LoadGame => {
saveload_system::load_game(&mut self.ecs);
newrunstate = RunState::AwaitingInput;
saveload_system::delete_save();
}
gui::MainMenuSelection::Quit => {
::std::process::exit(0);
}
},
},
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,
};
}
},
2021-11-08 13:58:40 -05:00
RunState::SaveGame => {
saveload_system::save_game(&mut self.ecs);
newrunstate = RunState::MainMenu {
menu_selection: gui::MainMenuSelection::LoadGame,
}
}
2021-11-09 15:50:42 -05:00
RunState::NextLevel => {
self.goto_level(1);
2021-11-09 15:50:42 -05:00
newrunstate = RunState::PreRun;
}
2022-01-06 09:13:40 -05:00
RunState::PreviousLevel => {
self.goto_level(-1);
2022-01-06 09:13:40 -05:00
self.mapgen_next_state = Some(RunState::PreRun);
newrunstate = RunState::MapGeneration;
}
RunState::MagicMapReveal { row } => {
let mut map = self.ecs.fetch_mut::<Map>();
for x in 0..map.width {
let idx = map.xy_idx(x as i32, row);
map.revealed_tiles[idx] = true;
}
if row == map.height - 1 {
newrunstate = RunState::Ticking;
} else {
newrunstate = RunState::MagicMapReveal { row: row + 1 };
}
}
2022-01-07 09:39:47 -05:00
RunState::ShowCheatMenu => match show_cheat_mode(self, ctx) {
CheatMenuResult::Cancel => newrunstate = RunState::AwaitingInput,
CheatMenuResult::NoResponse => {}
CheatMenuResult::TeleportToExit => {
self.goto_level(1);
self.mapgen_next_state = Some(RunState::PreRun);
newrunstate = RunState::MapGeneration
}
},
2021-10-29 15:15:22 -04:00
}
2021-10-21 14:24:40 -04:00
2021-10-29 15:15:22 -04:00
{
let mut runwriter = self.ecs.write_resource::<RunState>();
*runwriter = newrunstate;
2021-10-26 15:43:59 -04:00
}
2021-10-21 14:24:40 -04:00
2021-10-29 15:15:22 -04:00
damage_system::delete_the_dead(&mut self.ecs);
2021-10-21 14:24:40 -04:00
}
}
2021-11-09 15:50:42 -05:00
impl State {
fn goto_level(&mut self, offset: i32) {
freeze_level_entities(&mut self.ecs);
2021-11-09 15:50:42 -05:00
// Build a new map and place the player
let current_depth = self.ecs.fetch::<Map>().depth;
self.generate_world_map(current_depth + offset, offset);
2022-01-06 09:13:40 -05:00
// Notify the player
let mut gamelog = self.ecs.fetch_mut::<GameLog>();
gamelog.append("You change level.");
2022-01-06 09:13:40 -05:00
}
2021-11-15 13:27:40 -05:00
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");
}
// Spawn a new player
{
let player_entity = spawner::player(&mut self.ecs, 0, 0);
let mut player_entity_writer = self.ecs.write_resource::<Entity>();
*player_entity_writer = player_entity;
}
// Replace the world maps
self.ecs.insert(map::MasterDungeonMap::new());
2021-11-15 13:27:40 -05:00
// Build a new map and place the player
self.generate_world_map(1, 0);
}
fn generate_world_map(&mut self, new_depth: i32, offset: i32) {
self.mapgen_index = 0;
self.mapgen_timer = 0.0;
self.mapgen_history.clear();
if let Some(history) = map::level_transition(&mut self.ecs, new_depth, offset) {
self.mapgen_history = history;
} else {
map::thaw_level_entities(&mut self.ecs);
2021-11-15 13:27:40 -05:00
}
}
2021-11-09 15:50:42 -05:00
}
2021-12-24 10:38:44 -05:00
fn main() -> ::rltk::BError {
2022-01-04 12:12:08 -05:00
let context = ::rltk::RltkBuilder::simple(80, 60)
.unwrap()
2021-10-20 12:01:15 -04:00
.with_title("Roguelike Tutorial")
.build()?;
let mut gs = State::new();
2021-10-21 12:54:39 -04:00
register!(
gs <-
2021-11-05 13:12:22 -04:00
AreaOfEffect,
Attributes,
BlocksTile,
BlocksVisibility,
Bystander,
Carnivore,
2021-11-05 14:32:14 -04:00
Confusion,
Consumable,
Door,
DMSerializationHelper,
EntityMoved,
EntryTrigger,
2021-11-15 09:19:22 -05:00
Equippable,
Equipped,
2022-01-11 14:16:23 -05:00
Faction,
Herbivore,
Hidden,
HungerClock,
InBackpack,
InflictsDamage,
2022-01-11 09:28:45 -05:00
Initiative,
Item,
2022-01-10 10:21:19 -05:00
LightSource,
LootTable,
MagicMapper,
MeleeWeapon,
Monster,
2022-01-11 14:16:23 -05:00
MoveMode,
2022-01-11 09:33:21 -05:00
MyTurn,
Name,
NaturalAttackDefense,
OtherLevelPosition,
2021-11-16 11:33:58 -05:00
ParticleLifetime,
Player,
Pools,
Position,
ProvidesFood,
ProvidesHealing,
2022-01-03 10:49:12 -05:00
Quips,
Ranged,
Renderable,
SerializationHelper,
SimpleMarker<SerializeMe>,
SingleActivation,
2022-01-03 15:24:38 -05:00
Skills,
SufferDamage,
Vendor,
Viewshed,
2022-01-11 14:16:23 -05:00
WantsToApproach,
WantsToDropItem,
2022-01-11 14:16:23 -05:00
WantsToFlee,
WantsToMelee,
WantsToPickupItem,
WantsToRemoveItem,
WantsToUseItem,
Wearable,
);
2021-10-21 12:54:39 -04:00
2021-11-08 13:58:40 -05:00
gs.ecs.insert(SimpleMarkerAllocator::<SerializeMe>::new());
raws::load_raws();
gs.ecs.insert(map::MasterDungeonMap::new());
2022-01-04 12:12:08 -05:00
gs.ecs.insert(Map::new(1, 64, 64, "New Map"));
gs.ecs.insert(Point::zero());
2021-12-24 10:38:44 -05:00
gs.ecs.insert(RandomNumberGenerator::new());
2021-12-02 14:59:35 -05:00
let player_entity = spawner::player(&mut gs.ecs, 0, 0);
gs.ecs.insert(player_entity);
gs.ecs.insert(RunState::MapGeneration {});
2021-11-05 14:32:14 -04:00
gs.ecs.insert(GameLog::new("Welcome to Rusty Roguelike"));
2021-11-16 11:33:58 -05:00
gs.ecs.insert(particle_system::ParticleBuilder::new());
2021-11-29 14:59:46 -05:00
gs.ecs.insert(rex_assets::RexAssets::new());
2021-10-26 14:38:30 -04:00
gs.generate_world_map(1, 0);
2022-01-11 10:30:32 -05:00
::rltk::main_loop(context, gs)
2021-10-21 12:54:39 -04:00
}