From e22475fb1df60c33dbb70f4dd74d82a916a6fd10 Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Thu, 2 Apr 2026 00:14:18 -0500
Subject: [PATCH] profiler snap

---
 src/pp/pp_vis/pp_vis_core.c | 58 +++++++++++++++++++++++++------------
 src/pp/pp_vis/pp_vis_core.h |  1 +
 2 files changed, 40 insertions(+), 19 deletions(-)

diff --git a/src/pp/pp_vis/pp_vis_core.c b/src/pp/pp_vis/pp_vis_core.c
index f2c4df15..b2933ae5 100644
--- a/src/pp/pp_vis/pp_vis_core.c
+++ b/src/pp/pp_vis/pp_vis_core.c
@@ -5515,16 +5515,16 @@ void V_TickForever(WaveLaneCtx *lane)
     UI_SetDF(OmitFlags, UI_BoxFlag_CaptureMouse * !!(frame->is_looking))
     if (profiler->is_showing)
     {
+
+
+
       // FIXME: Remove this
 
-
-
-
-      if (frame->tick == 1)
-      {
-        // profiler->ns_per_px = NsFromSeconds(0.0001);
-        profiler->target_ns_per_px = NsFromSeconds(0.01);
-      }
+      // if (frame->tick == 1)
+      // {
+      //   // profiler->ns_per_px = NsFromSeconds(0.0001);
+      //   profiler->target_ns_per_px = NsFromSeconds(0.01);
+      // }
 
       profiler->graph_dims = DimsFromRng2(UI_Rect(profiler_graph_box));
 
@@ -5584,19 +5584,23 @@ void V_TickForever(WaveLaneCtx *lane)
           profiler->cursor_ns = (cursor_px * profiler->ns_per_px) + profiler->view_ns;
         }
 
+        // Snap view
+        if (profiler->snap)
+        {
+          f64 snap_width_ns = NsFromSeconds(1.0 / 10.0);
+          profiler->target_view_ns = frame->time_ns - snap_width_ns;
+          profiler->target_ns_per_px = snap_width_ns / MaxF32(DimsFromRng2(UI_Rect(main_box)).x, 100);
+        }
 
-
-
-
-
-
-        // FIXME: Remove this
         f32 prof_zoom_rate = 1.65;
         f64 prof_lerp_rate = SaturateF64(frame->dt * 25);
 
-
         {
           f64 zooms = UI_Presses(main_box, Button_WheelDown) - UI_Presses(main_box, Button_WheelUp);
+          if (zooms != 0)
+          {
+            profiler->snap = 0;
+          }
           f64 zoom_factor = PowF64(prof_zoom_rate, zooms);
           profiler->target_ns_per_px *= zoom_factor;
           profiler->target_view_ns = profiler->cursor_ns - (profiler->cursor_ns - profiler->target_view_ns) * zoom_factor;
@@ -5664,6 +5668,14 @@ void V_TickForever(WaveLaneCtx *lane)
 
 
 
+        if (is_main_hot)
+        {
+          profiler->cursor_ns = (cursor_px * profiler->ns_per_px) + profiler->view_ns;
+        }
+
+
+
+
 
 
         // TODO: Drag in px units for sharper resolution
@@ -5678,10 +5690,12 @@ void V_TickForever(WaveLaneCtx *lane)
         b32 is_measuring = 0;
         if (UI_Downs(main_box, Button_M1))
         {
+          profiler->snap = 0;
           profiler->ruler_start_ns = profiler->cursor_ns;
         }
         if (UI_Held(main_box, Button_M1))
         {
+          profiler->snap = 0;
           is_measuring = 1;
           profiler->target_ruler_opacity = 1;
         }
@@ -5694,6 +5708,7 @@ void V_TickForever(WaveLaneCtx *lane)
         // Drag view
         if (UI_Held(main_box, Button_M2) || UI_Held(main_box, Button_M3))
         {
+          profiler->snap = 0;
           profiler->view_ns = profiler->drag_view_ns - ((cursor_px - profiler->drag_cursor_px) * profiler->ns_per_px);
           profiler->target_view_ns = profiler->view_ns;
         }
@@ -5853,10 +5868,10 @@ void V_TickForever(WaveLaneCtx *lane)
                           }
                         }
 
-                        b32 should_collapse_zone = (visual_zone_end_px - visual_zone_start_px) <= zone_collapse_threshold_px;
-
                         // Push vis zone
+                        if (visual_zone_end_px <= (frame->time_ns / profiler->ns_per_px))
                         {
+                          b32 should_collapse_zone = (visual_zone_end_px - visual_zone_start_px) <= zone_collapse_threshold_px;
                           String zone_name = zone->name;
                           u64 zone_id = zone->id;
                           Vec4 zone_color = zone->color;
@@ -6054,15 +6069,16 @@ void V_TickForever(WaveLaneCtx *lane)
                     for (VisZone *zone = vis_track->first_zone; zone; zone = zone->next)
                     {
                       UI_Key zone_row_box = zone_row_boxes[zone->depth - 1];
+                      b32 can_hover = !profiler->snap;
 
                       UI_Key zone_box = UI_KeyF("Zone %F", FmtUint(zone->id));
-                      b32 is_hovered = UI_HoveredAbsolute(zone_box) && UI_HotAbsolute(main_box);
+                      b32 is_hovered = can_hover && UI_HoveredAbsolute(zone_box) && UI_HotAbsolute(main_box);
                       if (is_hovered)
                       {
                         hovered_zone_box = zone_box;
                         hovered_zone = zone;
                       }
-                      f32 zone_hovered = UI_Hovered(zone_box) * UI_Hot(main_box);
+                      f32 zone_hovered = can_hover * UI_Hovered(zone_box) * UI_Hot(main_box);
 
                       f64 zone_offset_px = zone->start_px - view_start_px;
                       f64 zone_len_px = zone->end_px - zone->start_px;
@@ -7278,6 +7294,10 @@ void V_TickForever(WaveLaneCtx *lane)
         case V_CmdKind_toggle_profiler:
         {
           frame->profiler.is_showing = !frame->profiler.is_showing;
+          if (frame->profiler.is_showing)
+          {
+            frame->profiler.snap = 1;
+          }
         } break;
 
         case V_CmdKind_toggle_timeline:
diff --git a/src/pp/pp_vis/pp_vis_core.h b/src/pp/pp_vis/pp_vis_core.h
index c4e20021..84cadaa8 100644
--- a/src/pp/pp_vis/pp_vis_core.h
+++ b/src/pp/pp_vis/pp_vis_core.h
@@ -299,6 +299,7 @@ Struct(V_Profiler)
 {
   Vec2 graph_dims;
   b32 is_showing;
+  b32 snap;
 
   f64 target_view_ns;
   f64 view_ns;