From d0130c4810fbf8e5ffc1b2b04e9d96bb7781cc8c Mon Sep 17 00:00:00 2001
From: jacob <jacob@cagori.com>
Date: Fri, 2 Jan 2026 20:03:44 -0600
Subject: [PATCH] aim above 1.0 when easing palette in

---
 src/base/base_math.c             | 17 +++++++++++++++++
 src/base/base_math.h             | 10 +++++++++-
 src/base/base_string.c           |  9 ++-------
 src/gpu/gpu_dx12/gpu_dx12_core.c |  4 ++--
 src/pp/pp_vis/pp_vis_core.c      | 15 ++++++++++-----
 src/pp/pp_vis/pp_vis_core.h      |  3 +--
 src/ui/ui_core.c                 |  2 +-
 7 files changed, 42 insertions(+), 18 deletions(-)

diff --git a/src/base/base_math.c b/src/base/base_math.c
index fd29a925..f5a96b7e 100644
--- a/src/base/base_math.c
+++ b/src/base/base_math.c
@@ -31,6 +31,15 @@ u64 ClampU64(u64 v, u64 min, u64 max) { return v < min ? min : v > max ? max : v
 i64 ClampI64(i64 v, i64 min, i64 max) { return v < min ? min : v > max ? max : v; }
 f64 ClampF64(f64 v, f64 min, f64 max) { return v < min ? min : v > max ? max : v; }
 
+
+//- Saturate
+u32 SaturateU32(u32 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+i32 SaturateI32(i32 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+f32 SaturateF32(f32 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+u64 SaturateU64(u64 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+i64 SaturateI64(i64 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+f64 SaturateF64(f64 v) { return v < 0 ? 0 : v > 1 ? 1 : v; }
+
 ////////////////////////////////////////////////////////////
 //~ Exponential ops
 
@@ -400,6 +409,14 @@ Vec2 ClampVec2(Vec2 v, Rng2 r)
   return result;
 }
 
+Vec2 SaturateVec2(Vec2 v)
+{
+  Vec2 result = Zi;
+  result.x = ClampF32(v.x, 0, 1);
+  result.y = ClampF32(v.y, 0, 1);
+  return result;
+}
+
 //- Dot
 
 f32 DotVec2(Vec2 a, Vec2 b)
diff --git a/src/base/base_math.h b/src/base/base_math.h
index fd4fa05d..960ea2be 100644
--- a/src/base/base_math.h
+++ b/src/base/base_math.h
@@ -217,6 +217,14 @@ u64 ClampU64(u64 v, u64 min, u64 max);
 i64 ClampI64(i64 v, i64 min, i64 max);
 f64 ClampF64(f64 v, f64 min, f64 max);
 
+//- Saturate
+u32 SaturateU32(u32 v);
+i32 SaturateI32(i32 v);
+f32 SaturateF32(f32 v);
+u64 SaturateU64(u64 v);
+i64 SaturateI64(i64 v);
+f64 SaturateF64(f64 v);
+
 ////////////////////////////////////////////////////////////
 //~ Float helpers
 
@@ -304,7 +312,6 @@ Vec4 SrgbFromLinear(Vec4 lin);
 Vec4 PremulFromLinear(Vec4 lin);
 Vec4 PremulFromSrgb(Vec4 srgb);
 
-// Vec4 LerpLinear(Vec4 v0, Vec4 v1, f32 t);
 Vec4 LerpSrgb(Vec4 v0, Vec4 v1, f32 t);
 
 ////////////////////////////////////////////////////////////
@@ -336,6 +343,7 @@ Vec2 ClampVec2Len(Vec2 a, f32 max);
 
 //- Clamp
 Vec2 ClampVec2(Vec2 v, Rng2 r);
+Vec2 SaturateVec2(Vec2 v);
 
 //- Dot
 f32 DotVec2(Vec2 a, Vec2 b);
diff --git a/src/base/base_string.c b/src/base/base_string.c
index f6f38be1..eb6b8473 100644
--- a/src/base/base_string.c
+++ b/src/base/base_string.c
@@ -33,6 +33,7 @@ String StringFromUint(Arena *arena, u64 n, u64 base, u64 zfill)
       n /= base;
     } while (n > 0);
 
+    // Fill zeroes
     while (result.len < zfill)
     {
       StringFromChar(scratch.arena, '0');
@@ -122,19 +123,13 @@ String StringFromFloat(Arena *arena, f64 src, u32 precision)
   {
     result.text = ArenaNext(arena, u8);
 
-    if (src < 0)
-    {
-      DEBUGBREAKABLE;
-    }
-
     u64 p = PowU64(10, precision);
     f64 multiplied = RoundF64(src * p);
-    // f64 multiplied_rounded = RoundF64(multiplied);
 
     i32 sign = (src >= 0) - (src < 0);
     u64 part_whole = TruncF64(AbsF64(multiplied) / p);
 
-    u64 part_frac = TruncF64(AbsF64(AbsF64(src) - part_whole) * p);
+    u64 part_frac = RoundF64(AbsF64(AbsF64(src) - part_whole) * p);
 
     // Push sign
     if (sign < 0 && (part_whole != 0 || part_frac != 0))
diff --git a/src/gpu/gpu_dx12/gpu_dx12_core.c b/src/gpu/gpu_dx12/gpu_dx12_core.c
index 0ef5076f..fa9867b8 100644
--- a/src/gpu/gpu_dx12/gpu_dx12_core.c
+++ b/src/gpu/gpu_dx12/gpu_dx12_core.c
@@ -1778,8 +1778,8 @@ i64 G_CommitCommandList(G_CommandListHandle cl_handle)
     slotted_constants[G_ShaderConst_PrintBufferRef] = queue->print_buffer_ref.v;
   }
   {
-    b32 tweak_b32 = TweakBool("GPU tweak-bool", 1);
-    f32 tweak_f32 = TweakFloat("GPU tweak-float", 1, 0, 1);
+    b32 tweak_b32 = TweakBool("Shader tweak-bool", 1);
+    f32 tweak_f32 = TweakFloat("Shader tweak-float", 1, 0, 1);
     slotted_constants[G_ShaderConst_TweakB32] = tweak_b32;
     slotted_constants[G_ShaderConst_TweakF32] = *(u32 *)&tweak_f32;
   }
diff --git a/src/pp/pp_vis/pp_vis_core.c b/src/pp/pp_vis/pp_vis_core.c
index 55c67b4a..c9794a52 100644
--- a/src/pp/pp_vis/pp_vis_core.c
+++ b/src/pp/pp_vis/pp_vis_core.c
@@ -103,7 +103,8 @@ V_WidgetTheme V_GetWidgetTheme(void)
   //- Colors
   theme.col.window_bg = Rgb32(0xff1a1d1e);
   theme.col.window_bd = Rgb32(0xff343a3b);
-  theme.col.divider = theme.col.window_bd;
+
+  theme.col.divider = LerpSrgb(Color_Black, theme.col.window_bd, 0.6);
 
   theme.col.button = theme.col.window_bg;
   theme.col.button_hot = Rgb32(0x103c4c);
@@ -1295,11 +1296,15 @@ void V_TickForever(WaveLaneCtx *lane)
     //- Build command palette
 
     V_Palette *palette = &frame->palette;
+
     {
-      f32 palette_ease = TweakFloat("Debug palette ease", 30, 1, 100) * frame->dt;
-      palette->show = LerpF32(palette->show, palette->pref_show, palette_ease);
+      f32 ease_rate = TweakFloat("Debug palette ease rate", 20, 1, 100) * frame->dt;
+      f32 ease_in_target = TweakFloat("Debug palette ease-in target", 1.3, 0, 2);
+      f32 pref_show = palette->is_showing ? ease_in_target : 0;
+      palette->show = SaturateF32(LerpF32(palette->show, pref_show, ease_rate));
     }
-    if (palette->show > 0.001)
+
+    if (palette->is_showing || palette->show > 0.001)
     {
       palette->key = UI_KeyF("command palette");
       UI_Checkpoint palette_cp = UI_PushCP(UI_NilKey);
@@ -2044,7 +2049,7 @@ void V_TickForever(WaveLaneCtx *lane)
 
         case V_CmdKind_toggle_palette:
         {
-          frame->palette.pref_show = !frame->palette.pref_show;
+          frame->palette.is_showing = !frame->palette.is_showing;
         } break;
 
         case V_CmdKind_zoom_in:
diff --git a/src/pp/pp_vis/pp_vis_core.h b/src/pp/pp_vis/pp_vis_core.h
index 418d3987..186f6545 100644
--- a/src/pp/pp_vis/pp_vis_core.h
+++ b/src/pp/pp_vis/pp_vis_core.h
@@ -134,8 +134,7 @@ Struct(V_Palette)
   // Persistent state
   Vec2 pos;
   UI_Key key;
-
-  f32 pref_show;
+  b32 is_showing;
   f32 show;
 };
 
diff --git a/src/ui/ui_core.c b/src/ui/ui_core.c
index a7539b9c..cc7ecec6 100644
--- a/src/ui/ui_core.c
+++ b/src/ui/ui_core.c
@@ -1129,7 +1129,7 @@ void UI_EndFrame(UI_Frame *frame)
             box->solved_scale = MulVec2Vec2(parent->solved_scale, box->solved_scale);
           }
 
-          f32 scale_snap = TweakFloat("UI scale snap threshold", 0.0010, 0, 0.01, .precision = 6);
+          f32 scale_snap = TweakFloat("UI scale snap threshold", 0.0, 0, 0.01, .precision = 6);
           if (AbsF32(1.0 - box->solved_scale.x) < scale_snap)
           {
             box->solved_scale.x = 1;