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Filter out multiple enemy messages moving to the same location #1

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Filter out multiple enemy messages moving to the same location #1

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3 changes: 3 additions & 0 deletions WinningAndLosing/gauntlet/src/systems/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ mod random_move;
mod chasing;
mod end_turn;
mod movement;
mod movement_filter;
mod hud;
mod tooltips;
mod combat;
Expand Down Expand Up @@ -42,6 +43,8 @@ pub fn build_monster_scheduler() -> Schedule {
.flush()
.add_system(combat::combat_system())
.flush()
.add_system(movement_filter::movement_filter_system())
.flush()
.add_system(movement::movement_system())
.flush()
.add_system(map_render::map_render_system())
Expand Down
20 changes: 20 additions & 0 deletions WinningAndLosing/gauntlet/src/systems/movement_filter.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
use crate::prelude::*;

#[system]
#[read_component(WantsToMove)]
pub fn movement_filter(
ecs: &mut SubWorld,
commands: &mut CommandBuffer) {

let mut moves = <(Entity, &WantsToMove)>::query();
let mut pos_seen: Vec<Point> = Vec::new();

moves.iter(ecs).for_each(|(entity, want_move)| {
if pos_seen.contains(&want_move.destination) {
commands.remove(*entity);
}
else {
pos_seen.push(want_move.destination);
}
});
}