From 38a2478325d606e6018c49056c8deae393d2041b Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Tue, 6 Aug 2024 17:58:52 -0500
Subject: [PATCH] fix updates not ran on new entities added from game commands

---
 src/entity.c | 22 ++++++++++++----------
 src/game.c   |  6 +++---
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/src/entity.c b/src/entity.c
index f355193f..1dde5560 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -214,20 +214,22 @@ void entity_link(struct entity *parent, struct entity *child)
 {
     struct entity_store *store = entity_get_store(parent);
 
-    struct entity *first_child = entity_from_handle(store, parent->first);
-    struct entity *last_child = entity_from_handle(store, parent->last);
+    struct entity_handle child_handle = child->handle;
+    struct entity_handle parent_handle = parent->handle;
 
-    child->prev = last_child->handle;
-    child->parent = parent->handle;
+    child->parent = parent_handle;
 
+    if (!parent->first.gen) {
+        parent->first = child_handle;
+    }
+
+    struct entity_handle last_child_handle = parent->last;
+    struct entity *last_child = entity_from_handle(store, last_child_handle);
     if (last_child->valid) {
-        last_child->next = child->handle;
-    }
-    parent->last = child->handle;
-
-    if (!first_child->valid) {
-        parent->first = child->handle;
+        child->prev = last_child_handle;
+        last_child->next = child_handle;
     }
+    parent->last = child_handle;
 }
 
 void entity_unlink(struct entity *ent)
diff --git a/src/game.c b/src/game.c
index 2d02a60a..7dcbb6c8 100644
--- a/src/game.c
+++ b/src/game.c
@@ -222,7 +222,6 @@ INTERNAL void game_update(void)
     G.world.tick_ts = sys_timestamp();
     G.world.dt = max_f64(0.0, (1.0 / GAME_FPS) * G.world.timescale);
     G.world.time += G.world.dt;
-    struct entity_array entities_array =  entity_store_as_array(G.world.entity_store);
 
     /* ========================== *
      * Process game cmds
@@ -245,8 +244,8 @@ INTERNAL void game_update(void)
             /* Clear level */
             case GAME_CMD_KIND_CLEAR_ALL: {
                 logf_info("Clearing level");
-                for (u64 i = 0; i < entities_array.count; ++i) {
-                    struct entity *ent = &entities_array.entities[i];
+                for (u64 i = 0; i < G.world.entity_store->count; ++i) {
+                    struct entity *ent = &G.world.entity_store->entities[i];
                     if (ent->valid && !ent->root) {
                         entity_release(G.world.entity_store, ent);
                     }
@@ -272,6 +271,7 @@ INTERNAL void game_update(void)
     /* ---------------------------------------------------------------------- */
 
     struct entity_handle root_handle = G.world.entity_store->root;
+    struct entity_array entities_array = entity_store_as_array(G.world.entity_store);
 
     /* ========================== *
      * Update sprite