From 63c7e9122db44904eb8183438cd5f1d6da95c1d1 Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Tue, 10 Feb 2026 21:56:08 -0600
Subject: [PATCH] serialize tick

---
 src/pp/pp_sim/pp_sim_core.c |  8 +++++---
 src/pp/pp_transcode.c       | 15 +++++++++++++++
 src/pp/pp_transcode.h       |  2 +-
 src/pp/pp_vis/pp_vis_core.c |  2 +-
 4 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/pp/pp_sim/pp_sim_core.c b/src/pp/pp_sim/pp_sim_core.c
index 7f05af57..438b4f95 100644
--- a/src/pp/pp_sim/pp_sim_core.c
+++ b/src/pp/pp_sim/pp_sim_core.c
@@ -62,8 +62,8 @@ void S_TickForever(WaveLaneCtx *lane)
 
   P_World *world = P_AcquireWorld();
 
-  // TODO: Real per-client deltas
-  b32 has_sent_initial_tick = 0;
+  // TODO: Real level-load logic
+  b32 has_swapped_in = 0;
 
   NET_PipeHandle net_pipe = NET_AcquirePipe();
   BB_Buff packer_bb = BB_AcquireDynamicBuff(Gibi(64));
@@ -112,8 +112,9 @@ void S_TickForever(WaveLaneCtx *lane)
       b32 swapout = shutdown && IsSwappingOut();
 
       //- Swap in
-      if (world->last_frame->tick == 1)
+      if (!has_swapped_in)
       {
+        has_swapped_in = 1;
         String packed = Zi;
         if (swapin)
         {
@@ -125,6 +126,7 @@ void S_TickForever(WaveLaneCtx *lane)
 
         world->seed = unpacked.seed;
         world_frame->time_ns = unpacked.time_ns;
+        world_frame->tick = unpacked.tick;
         if (world->seed == 0)
         {
           TrueRand(StringFromStruct(&world->seed));
diff --git a/src/pp/pp_transcode.c b/src/pp/pp_transcode.c
index 83a6f8ab..d8cb11d3 100644
--- a/src/pp/pp_transcode.c
+++ b/src/pp/pp_transcode.c
@@ -13,6 +13,7 @@ String P_PackWorld(Arena *arena, P_World *src_world)
   result.len += StringF(arena, "\n").len;
   result.len += StringF(arena, "seed: 0x%F\n", FmtHex(src_world->seed)).len;
   result.len += StringF(arena, "time: %F\n", FmtSint(src_frame->time_ns)).len;
+  result.len += StringF(arena, "tick: %F\n", FmtSint(src_frame->tick)).len;
 
   // Pack entities
   // FIXME: Precision
@@ -60,6 +61,8 @@ String P_PackWorld(Arena *arena, P_World *src_world)
           }
         }
         result.len += StringF(arena, "    }\n").len;
+        result.len += StringF(arena, "    created_at_ns: \"%F\"\n", FmtSint(ent->created_at_ns)).len;
+        result.len += StringF(arena, "    created_at_tick: \"%F\"\n", FmtSint(ent->created_at_tick)).len;
         result.len += StringF(arena, "    pos: \"%F\"\n", FmtFloat2(ent->xf.t)).len;
         result.len += StringF(arena, "    angle: \"%F\"\n", FmtFloat(AngleFromVec2(ent->xf.r))).len;
         result.len += StringF(arena, "    look: \"%F\"\n", FmtFloat2(ent->control.look)).len;
@@ -128,6 +131,10 @@ P_UnpackedWorld P_UnpackWorld(Arena *arena, String packed)
     {
       result.time_ns = CR_IntFromString(top_item->value);
     }
+    if (MatchString(top_item->name, Lit("tick")))
+    {
+      result.tick = CR_IntFromString(top_item->value);
+    }
 
     // Unpack entities
     if (MatchString(top_item->name, Lit("entities")))
@@ -168,6 +175,14 @@ P_UnpackedWorld P_UnpackWorld(Arena *arena, String packed)
               }
             }
           }
+          if (MatchString(attr->name, Lit("created_at_ns")))
+          {
+            ent->created_at_ns = CR_IntFromString(attr->value);
+          }
+          if (MatchString(attr->name, Lit("created_at_tick")))
+          {
+            ent->created_at_tick = CR_IntFromString(attr->value);
+          }
           if (MatchString(attr->name, Lit("pos")))
           {
             ent->xf.t = CR_Vec2FromString(attr->value);
diff --git a/src/pp/pp_transcode.h b/src/pp/pp_transcode.h
index de036c2d..df5cc9fa 100644
--- a/src/pp/pp_transcode.h
+++ b/src/pp/pp_transcode.h
@@ -16,8 +16,8 @@ Struct(P_UnpackedWorld)
   P_Tv version;
 
   u64 seed;
-  i64 tick;
   i64 time_ns;
+  i64 tick;
 
   P_EntList ents;
   u8 *tiles;
diff --git a/src/pp/pp_vis/pp_vis_core.c b/src/pp/pp_vis/pp_vis_core.c
index b2660c1d..a4e10c72 100644
--- a/src/pp/pp_vis/pp_vis_core.c
+++ b/src/pp/pp_vis/pp_vis_core.c
@@ -1074,7 +1074,7 @@ void V_TickForever(WaveLaneCtx *lane)
       {
         P_MsgNode tmp_msg_node = Zi;
         tmp_msg_node.msg.kind = P_MsgKind_Connect;
-        tmp_msg_node.msg.data = Lit("Bro");
+        tmp_msg_node.msg.data = Lit("Brosef");
         tmp_msg_node.msg.key = V.player_key;
 
         P_MsgList tmp_msglist = Zi;