80 lines
2.0 KiB
Rust
80 lines
2.0 KiB
Rust
|
use crate::components::*;
|
||
|
|
use specs::error::NoError;
|
||
|
|
use specs::prelude::*;
|
||
|
|
use specs::saveload::{
|
||
|
|
DeserializeComponents, MarkedBuilder, SerializeComponents, SimpleMarker, SimpleMarkerAllocator,
|
||
|
|
};
|
||
|
|
use std::fs;
|
||
|
|
use std::fs::File;
|
||
|
|
use std::path::Path;
|
||
|
|
|
||
|
|
macro_rules! serialize_individually {
|
||
|
|
($ecs:expr, $ser:expr, $data:expr, $( $type:ty),*) => {
|
||
|
|
$(
|
||
|
|
SerializeComponents::<NoError, SimpleMarker<SerializeMe>>::serialize(
|
||
|
|
&( $ecs.read_storage::<$type>(), ),
|
||
|
|
&$data.0,
|
||
|
|
&$data.1,
|
||
|
|
&mut $ser,
|
||
|
|
)
|
||
|
|
.unwrap();
|
||
|
|
)*
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn save_game(ecs: &mut World) {
|
||
|
|
// Create helper
|
||
|
|
let mapcopy = ecs.get_mut::<crate::map::Map>().unwrap().clone();
|
||
|
|
let savehelper = ecs
|
||
|
|
.create_entity()
|
||
|
|
.with(SerializationHelper { map: mapcopy })
|
||
|
|
.marked::<SimpleMarker<SerializeMe>>()
|
||
|
|
.build();
|
||
|
|
|
||
|
|
// Actually serialize
|
||
|
|
{
|
||
|
|
let data = (
|
||
|
|
ecs.entities(),
|
||
|
|
ecs.read_storage::<SimpleMarker<SerializeMe>>(),
|
||
|
|
);
|
||
|
|
|
||
|
|
let writer = File::create("./savegame.json").unwrap();
|
||
|
|
let mut serializer = serde_json::Serializer::new(writer);
|
||
|
|
serialize_individually!(
|
||
|
|
ecs,
|
||
|
|
serializer,
|
||
|
|
data,
|
||
|
|
Position,
|
||
|
|
Renderable,
|
||
|
|
Player,
|
||
|
|
Viewshed,
|
||
|
|
Monster,
|
||
|
|
Name,
|
||
|
|
BlocksTile,
|
||
|
|
CombatStats,
|
||
|
|
SufferDamage,
|
||
|
|
WantsToMelee,
|
||
|
|
Item,
|
||
|
|
Consumable,
|
||
|
|
Ranged,
|
||
|
|
InflictsDamage,
|
||
|
|
AreaOfEffect,
|
||
|
|
Confusion,
|
||
|
|
ProvidesHealing,
|
||
|
|
InBackpack,
|
||
|
|
WantsToPickupItem,
|
||
|
|
WantsToUseItem,
|
||
|
|
WantsToDropItem,
|
||
|
|
SerializationHelper
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clean up
|
||
|
|
ecs.delete_entity(savehelper)
|
||
|
|
.expect("Failed to clean up savehelper component");
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn does_save_exist() -> bool {
|
||
|
|
Path::new("./savegame.json").exists()
|
||
|
|
}
|