veloren/server/src/rtsim/mod.rs
2023-04-01 17:51:05 +01:00

415 lines
17 KiB
Rust

#![allow(dead_code)] // TODO: Remove this when rtsim is fleshed out
mod chunks;
pub(crate) mod entity;
mod load_chunks;
mod tick;
mod unload_chunks;
use crate::rtsim::entity::{Personality, Travel};
use self::chunks::Chunks;
use common::{
comp,
rtsim::{Memory, RtSimController, RtSimEntity, RtSimId},
terrain::TerrainChunk,
vol::RectRasterableVol,
};
use common_ecs::{dispatch, System};
use common_state::State;
use rand::prelude::*;
use slab::Slab;
use specs::{DispatcherBuilder, WorldExt};
use vek::*;
pub use self::entity::{Brain, Entity, RtSimEntityKind};
pub struct RtSim {
tick: u64,
chunks: Chunks,
entities: Slab<Entity>,
}
impl RtSim {
pub fn new(world_chunk_size: Vec2<u32>) -> Self {
Self {
tick: 0,
chunks: Chunks::new(world_chunk_size),
entities: Slab::new(),
}
}
pub fn hook_load_chunk(&mut self, key: Vec2<i32>) {
if let Some(chunk) = self.chunks.chunk_mut(key) {
if !chunk.is_loaded {
chunk.is_loaded = true;
self.chunks.chunks_to_load.push(key);
}
}
}
pub fn hook_unload_chunk(&mut self, key: Vec2<i32>) {
if let Some(chunk) = self.chunks.chunk_mut(key) {
if chunk.is_loaded {
chunk.is_loaded = false;
self.chunks.chunks_to_unload.push(key);
}
}
}
pub fn assimilate_entity(&mut self, entity: RtSimId) {
// tracing::info!("Assimilated rtsim entity {}", entity);
self.entities.get_mut(entity).map(|e| e.is_loaded = false);
}
pub fn reify_entity(&mut self, entity: RtSimId) {
// tracing::info!("Reified rtsim entity {}", entity);
self.entities.get_mut(entity).map(|e| e.is_loaded = true);
}
pub fn update_entity(&mut self, entity: RtSimId, pos: Vec3<f32>) {
self.entities.get_mut(entity).map(|e| e.pos = pos);
}
pub fn destroy_entity(&mut self, entity: RtSimId) {
// tracing::info!("Destroyed rtsim entity {}", entity);
self.entities.remove(entity);
}
pub fn get_entity(&self, entity: RtSimId) -> Option<&Entity> { self.entities.get(entity) }
pub fn insert_entity_memory(&mut self, entity: RtSimId, memory: Memory) {
self.entities
.get_mut(entity)
.map(|entity| entity.brain.add_memory(memory));
}
pub fn forget_entity_enemy(&mut self, entity: RtSimId, name: &str) {
if let Some(entity) = self.entities.get_mut(entity) {
entity.brain.forget_enemy(name);
}
}
pub fn set_entity_mood(&mut self, entity: RtSimId, memory: Memory) {
self.entities
.get_mut(entity)
.map(|entity| entity.brain.set_mood(memory));
}
}
pub fn add_server_systems(dispatch_builder: &mut DispatcherBuilder) {
dispatch::<unload_chunks::Sys>(dispatch_builder, &[]);
dispatch::<load_chunks::Sys>(dispatch_builder, &[&unload_chunks::Sys::sys_name()]);
dispatch::<tick::Sys>(dispatch_builder, &[
&load_chunks::Sys::sys_name(),
&unload_chunks::Sys::sys_name(),
]);
}
pub fn init(
state: &mut State,
#[cfg(feature = "worldgen")] world: &world::World,
#[cfg(feature = "worldgen")] index: world::IndexRef,
) {
#[cfg(feature = "worldgen")]
let mut rtsim = RtSim::new(world.sim().get_size());
#[cfg(not(feature = "worldgen"))]
let mut rtsim = RtSim::new(Vec2::new(40, 40));
// TODO: Determine number of rtsim entities based on things like initial site
// populations rather than world size
#[cfg(feature = "worldgen")]
{
for _ in 0..world.sim().get_size().product() / 400 {
let pos = rtsim
.chunks
.size()
.map2(TerrainChunk::RECT_SIZE, |sz, chunk_sz| {
thread_rng().gen_range(0..sz * chunk_sz) as i32
});
rtsim.entities.insert(Entity {
is_loaded: false,
pos: Vec3::from(pos.map(|e| e as f32)),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Wanderer,
brain: Brain {
begin: None,
tgt: None,
route: Travel::Lost,
last_visited: None,
memories: Vec::new(),
personality: Personality::random(&mut thread_rng()),
},
});
}
for (site_id, site) in world
.civs()
.sites
.iter()
.filter_map(|(site_id, site)| site.site_tmp.map(|id| (site_id, &index.sites[id])))
{
use world::site::SiteKind;
match &site.kind {
#[allow(clippy::single_match)]
SiteKind::Dungeon(dungeon) => match dungeon.dungeon_difficulty() {
Some(5) => {
let pos = site.get_origin();
if let Some(nearest_village) = world
.civs()
.sites
.iter()
.filter(|(_, site)| site.is_settlement())
.min_by_key(|(_, site)| {
let wpos = site.center * TerrainChunk::RECT_SIZE.map(|e| e as i32);
wpos.map(|e| e as f32)
.distance_squared(pos.map(|x| x as f32))
as u32
})
.map(|(id, _)| id)
{
for _ in 0..25 {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: Vec3::from(pos.map(|e| e as f32)),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Cultist,
brain: Brain::raid(site_id, nearest_village, &mut thread_rng()),
});
}
}
},
_ => {},
},
SiteKind::Refactor(site2) => {
// villagers
for _ in 0..site.economy.population().min(site2.plots().len() as f32) as usize {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plots()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |plot| {
site2.tile_center_wpos(plot.root_tile())
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Villager,
brain: Brain::villager(site_id, &mut thread_rng()),
});
}
// guards
for _ in 0..site2.plazas().len() {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plazas()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |p| {
site2.tile_center_wpos(site2.plot(p).root_tile())
+ Vec2::new(
thread_rng().gen_range(-8..9),
thread_rng().gen_range(-8..9),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::TownGuard,
brain: Brain::town_guard(site_id, &mut thread_rng()),
});
}
// merchants
for _ in 0..site2.plazas().len() {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plazas()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |p| {
site2.tile_center_wpos(site2.plot(p).root_tile())
+ Vec2::new(
thread_rng().gen_range(-8..9),
thread_rng().gen_range(-8..9),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Merchant,
brain: Brain::merchant(site_id, &mut thread_rng()),
});
}
},
SiteKind::CliffTown(site2) => {
for _ in 0..(site2.plazas().len() as f32 * 1.5) as usize {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plazas()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |p| {
site2.tile_center_wpos(site2.plot(p).root_tile())
+ Vec2::new(
thread_rng().gen_range(-8..9),
thread_rng().gen_range(-8..9),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Merchant,
brain: Brain::merchant(site_id, &mut thread_rng()),
});
}
},
SiteKind::SavannahPit(site2) => {
for _ in 0..4 {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plots()
.filter(|plot| {
matches!(plot.kind(), world::site2::PlotKind::SavannahPit(_))
})
.choose(&mut thread_rng())
.map_or(site.get_origin(), |plot| {
site2.tile_center_wpos(
plot.root_tile()
+ Vec2::new(
thread_rng().gen_range(-5..5),
thread_rng().gen_range(-5..5),
),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Merchant,
brain: Brain::merchant(site_id, &mut thread_rng()),
});
}
},
SiteKind::DesertCity(site2) => {
// villagers
for _ in 0..(site2.plazas().len() as f32 * 1.5) as usize {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plots()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |plot| {
site2.tile_center_wpos(plot.root_tile())
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Villager,
brain: Brain::villager(site_id, &mut thread_rng()),
});
}
// guards
for _ in 0..site2.plazas().len() {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plazas()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |p| {
site2.tile_center_wpos(site2.plot(p).root_tile())
+ Vec2::new(
thread_rng().gen_range(-8..9),
thread_rng().gen_range(-8..9),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::TownGuard,
brain: Brain::town_guard(site_id, &mut thread_rng()),
});
}
// merchants
for _ in 0..site2.plazas().len() {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plazas()
.choose(&mut thread_rng())
.map_or(site.get_origin(), |p| {
site2.tile_center_wpos(site2.plot(p).root_tile())
+ Vec2::new(
thread_rng().gen_range(-8..9),
thread_rng().gen_range(-8..9),
)
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Merchant,
brain: Brain::merchant(site_id, &mut thread_rng()),
});
}
},
SiteKind::ChapelSite(site2) => {
// prisoners
for _ in 0..10 {
rtsim.entities.insert(Entity {
is_loaded: false,
pos: site2
.plots()
.filter(|plot| {
matches!(plot.kind(), world::site2::PlotKind::SeaChapel(_))
})
.choose(&mut thread_rng())
.map_or(site.get_origin(), |plot| {
site2.tile_center_wpos(Vec2::new(
plot.root_tile().x,
plot.root_tile().y + 4,
))
})
.with_z(0)
.map(|e| e as f32),
seed: thread_rng().gen(),
controller: RtSimController::default(),
last_time_ticked: 0.0,
kind: RtSimEntityKind::Prisoner,
brain: Brain::villager(site_id, &mut thread_rng()),
});
}
},
_ => {},
}
}
}
state.ecs_mut().insert(rtsim);
state.ecs_mut().register::<RtSimEntity>();
tracing::info!("Initiated real-time world simulation");
}