From 420d0f36adeed7fa254497b49ef91a7574628082 Mon Sep 17 00:00:00 2001
From: Tom Barrett <tom@tombarrett.xyz>
Date: Sun, 21 Mar 2021 18:45:36 +0100
Subject: merged animation systems

---
 src/cell.rs | 27 ++++-----------------------
 src/main.rs | 21 ++++++++++++++++-----
 2 files changed, 20 insertions(+), 28 deletions(-)

diff --git a/src/cell.rs b/src/cell.rs
index 1659289..d5d19e2 100644
--- a/src/cell.rs
+++ b/src/cell.rs
@@ -76,32 +76,13 @@ pub fn insert(mut cell_query: Query<(&mut Cell, &mut TextureAtlasSprite)>) {
     }
 }
 
-pub fn explosion_animation(
-    time: Res<Time>,
+pub fn start_explosion(
     commands: &mut Commands,
-    mut cell_query: Query<(
-        Entity,
-        &mut Cell,
-        &mut TextureAtlasSprite,
-        Option<&mut Timer>,
-    )>,
+    mut cell_query: Query<(Entity, &Cell), Without<Timer>>,
 ) {
-    for (entity, mut cell, mut sprite, timer) in cell_query.iter_mut() {
+    for (entity, cell) in cell_query.iter_mut() {
         if cell.occupant == Occupant::Explosion {
-            if let Some(mut timer) = timer {
-                timer.tick(time.delta_seconds());
-                if timer.finished() {
-                    if sprite.index < 7 && sprite.index >= 4 {
-                        sprite.index += 1;
-                    } else {
-                        cell.occupant = Occupant::None;
-                        sprite.index = cell.occupant.to_index();
-                        commands.remove_one::<Timer>(entity);
-                    }
-                }
-            } else {
-                commands.insert(entity, (Timer::from_seconds(0.1, true),));
-            }
+            commands.insert(entity, (Timer::from_seconds(0.1, true),));
         }
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 97592eb..164ffe3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,6 @@
 use bevy::math::Vec3;
 use bevy::prelude::*;
-use gems::cell::{self, Cell};
+use gems::cell::{self, Cell, Occupant};
 use gems::constants;
 use rand::{thread_rng, Rng};
 
@@ -113,9 +113,14 @@ pub fn setup(
 fn animation_system(
     commands: &mut Commands,
     time: Res<Time>,
-    mut cell_query: Query<(Entity, &mut Timer, &mut TextureAtlasSprite), Without<Cell>>,
+    mut cell_query: Query<(
+        Entity,
+        Option<&mut Cell>,
+        &mut Timer,
+        &mut TextureAtlasSprite,
+    )>,
 ) {
-    for (entity, mut timer, mut sprite) in cell_query.iter_mut() {
+    for (entity, cell, mut timer, mut sprite) in cell_query.iter_mut() {
         timer.tick(time.delta_seconds());
         if timer.finished() {
             let index = match sprite.index {
@@ -135,7 +140,13 @@ fn animation_system(
             };
             sprite.index = index;
             if index == constants::TILESHEET_NONE2 {
-                commands.despawn(entity);
+                if let Some(mut cell) = cell {
+                    cell.occupant = Occupant::None;
+                    sprite.index = cell.occupant.to_index();
+                    commands.remove_one::<Timer>(entity);
+                } else {
+                    commands.despawn(entity);
+                }
             }
         }
     }
@@ -250,7 +261,7 @@ impl Plugin for GemsPlugin {
         app.add_system(cell::insert.system());
         app.add_system(cell::falling.system());
         app.add_system(cell::check.system());
-        app.add_system(cell::explosion_animation.system());
+        app.add_system(cell::start_explosion.system());
         app.add_system(mouse_system.system());
         app.add_system(cosmonaut_detect_system.system());
         app.add_system(animation_system.system());
-- 
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