Remove lifetime mess, replace a lot of code with Arc instead of borrows.

This cleans up the codebase massively, and allows me to maintain some semblance of sanity.

src/dynamic_data/event_hooks.rs

@@ -1,4 +1,5 @@
 use std::fmt::{Debug, Formatter};
+use std::sync::Arc;
 
 use crate::dynamic_data::DamageSource;
 use crate::dynamic_data::ExecutingMove;
@@ -27,7 +28,7 @@ impl<'battle, 'library> EventHook {
 
     /// Run a new event. This will send the event to all externally defined event listeners. It will
     /// dispose of the event afterwards.
-    pub fn trigger<'b>(&self, evt: Event<'b, 'battle, 'library>) {
+    pub fn trigger(&self, evt: Event) {
         let b = Box::new(&evt);
         for f in &self.evt_hook_function {
             f(&b);
@@ -43,7 +44,7 @@ impl Debug for EventHook {
 
 /// The different events that can occur during the battle, for which a GUI should show something.
 #[derive(Debug)]
-pub enum Event<'own, 'battle, 'library> {
+pub enum Event<'own> {
     /// A switch event happens when a Pokemon gets switched out for something else.
     Switch {
         /// The side the Pokemon got switched from/on
@@ -51,7 +52,7 @@ pub enum Event<'own, 'battle, 'library> {
         /// The index of the Pokemon that got switched in/out on its side
         index: u8,
         /// The new Pokemon that will be on the spot. If none, the spot will now be empty.
-        pokemon: Option<&'own Pokemon<'battle, 'library>>,
+        pokemon: Option<&'own Pokemon>,
     },
     /// A swap event happens when two Pokemon on a side swap positions. Note that this is rare.
     Swap {
@@ -67,23 +68,23 @@ pub enum Event<'own, 'battle, 'library> {
     /// enjoy.
     SpeciesChange {
         /// The pokemon that changed species.
-        pokemon: &'own Pokemon<'battle, 'library>,
+        pokemon: &'own Pokemon,
         /// The new species of the Pokemon.
-        species: &'own Species,
+        species: Arc<Species>,
         /// The form of the species the Pokemon will have.
-        form: &'own Form,
+        form: Arc<Form>,
     },
     /// This event happens when a Pokemon changes form during battle. This is rather common.
     FormChange {
         /// The pokemon that changed forms.
-        pokemon: &'own Pokemon<'battle, 'library>,
+        pokemon: &'own Pokemon,
         /// The new form of the Pokemon.
         form: &'own Form,
     },
     /// This event happens when a Pokemon takes damage.
     Damage {
         /// The Pokemon that takes damage.
-        pokemon: &'own Pokemon<'battle, 'library>,
+        pokemon: &'own Pokemon,
         /// The source of damage.
         source: DamageSource,
         /// The health of the Pokemon before the damage.
@@ -94,7 +95,7 @@ pub enum Event<'own, 'battle, 'library> {
     /// This event happens when a Pokemon gets healed
     Heal {
         /// The Pokemon that gets healed.
-        pokemon: &'own Pokemon<'battle, 'library>,
+        pokemon: &'own Pokemon,
         /// The health of the Pokemon before the heal.
         original_health: u32,
         /// The health of the Pokemon after the heal.
@@ -103,24 +104,24 @@ pub enum Event<'own, 'battle, 'library> {
     /// This event happens when a Pokemon faints.
     Faint {
         /// The pokemon that has fainted.
-        pokemon: &'own Pokemon<'battle, 'library>,
+        pokemon: &'own Pokemon,
     },
     /// This event happens when a Pokemon uses a move on a target, just before any hits.
     MoveUse {
         /// The data of the move used.
-        executing_move: &'own ExecutingMove<'own, 'battle, 'library>,
+        executing_move: &'own ExecutingMove,
     },
     /// This event happens when a Pokemon missed.
     Miss {
         /// The pokemon that missed.
-        user: &'own Pokemon<'battle, 'library>,
+        user: &'own Pokemon,
     },
     /// The turn is finished running, waiting for new input.
     EndTurn,
     /// A pokemon had its stat boost changed
     StatBoostChange {
         /// The pokemon that had its stat boosts changed.
-        user: &'own Pokemon<'battle, 'library>,
+        user: &'own Pokemon,
         /// The statistic that changed.
         stat: Statistic,
         /// The value of the stat before the change.