From 1d0d8549411e23394059f420f053cc3ee28dacfb Mon Sep 17 00:00:00 2001
From: Fox Caminiti <fox@foxcam.net>
Date: Fri, 6 Jan 2023 23:11:49 -0500
Subject: more shape code

---
 src/nanovg.cpp | 29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

(limited to 'src/nanovg.cpp')

diff --git a/src/nanovg.cpp b/src/nanovg.cpp
index 1fb59ee..22d8621 100644
--- a/src/nanovg.cpp
+++ b/src/nanovg.cpp
@@ -172,42 +172,28 @@ static real32 * NVG_ButtCap(nvg_point *Point, real32 *StrokeData,
 
 // NOTE(fox): We only have to care about winding if we want to do HW accelerated
 // shape subtraction with the stencil buffer (I think).
-// All the extra inputs on the second line are for when we need to take
-// interactive mode into account. Since undoing a transform requires knowledge
-// of the shape's size (does it?), the code needs to be ran twice, controlled
-// with the Interact bool.
 static uint32
 NVG_FlattenPath(memory *Memory, shape_layer *Shape, nvg_point *PointData,
                 project_state *State, layer_transforms T, int Width, int Height,
                 int CompWidth, int CompHeight, bool32 Interact, v2 *Min, v2 *Max)
 {
     nvg_point *PointPlayhead = PointData;
-    for (int i = 0; i < Shape->Point_Count; i++) {
-        bezier_point *Point = Bezier_LookupAddress(Memory, Shape->Block_Bezier_Index, i, 1);
+    bezier_point *BezierPointData = (bezier_point *)Memory_PushScratch(Memory, sizeof(bezier_point) * 128);
+    uint32 BezierCount = Bezier_Shape_Sort(Memory, Shape, BezierPointData,
+                                           State, T, Width, Height,
+                                           CompWidth, CompHeight, Interact);
+    for (int i = 0; i < BezierCount; i++) {
+        bezier_point *Point = &BezierPointData[i];
         if (i == 0 || Point->Type == interpolation_type_linear) {
             v2 Pos = Point->Pos[0];
-            if (State->Interact_Active == interact_type_keyframe_move && Point->IsSelected && Interact != 0) {
-                Pos = TransformPoint(T, Width, Height, Pos);
-                Pos.x += State->Interact_Offset[0];
-                Pos.y += State->Interact_Offset[1];
-                Pos = T_CompPosToLayerPos(T, CompWidth, CompHeight, Width, Height, Pos.x, Pos.y);
-            }
             *(v2 *)PointPlayhead = Pos;
             if (Shape->IsClosed || (i != 0 && i != (Shape->Point_Count - 1))) {
                 PointPlayhead->Flags |= NVG_PT_CORNER;
             }
             PointPlayhead++;
         } else if (Point->Type == interpolation_type_bezier) {
-            bezier_point *Point_1 = Bezier_LookupAddress(Memory, Shape->Block_Bezier_Index, i-1, 1);
+            bezier_point *Point_1 = &BezierPointData[i-1];
             v2 Pos[2] = { Point_1->Pos[0], Point->Pos[0] };
-            if (State->Interact_Active == interact_type_keyframe_move && Point->IsSelected && Width != 0) {
-                for (int i = 0; i < 2; i++) {
-                    Pos[i] = TransformPoint(T, Width, Height, Pos[i]);
-                    Pos[i].x += State->Interact_Offset[0];
-                    Pos[i].y += State->Interact_Offset[1];
-                    Pos[i] = T_CompPosToLayerPos(T, CompWidth, CompHeight, Width, Height, Pos[i].x, Pos[i].y);
-                }
-            }
             PointPlayhead = (nvg_point *)Bezier_CubicCalcPoints(Pos[0], Pos[0] + Point_1->Pos[1], Pos[1] + Point->Pos[2], Pos[1], PointPlayhead, sizeof(nvg_point));
             // The point at the end is also returned, so we remove it.
             if (i != (Shape->Point_Count - 1))
@@ -216,6 +202,7 @@ NVG_FlattenPath(memory *Memory, shape_layer *Shape, nvg_point *PointData,
             Assert(0);
         }
     }
+    Memory_PopScratch(Memory, sizeof(bezier_point) * 128);
     int NumberOfVerts = PointPlayhead - PointData;
     nvg_point *Point = &PointData[NumberOfVerts - 1];
     nvg_point *NextPoint = PointData;
-- 
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