Implemented removing panels by right clicking on the border.

src/foldhaus_interface.cpp

@@ -133,6 +133,14 @@ FOLDHAUS_INPUT_COMMAND_PROC(OpenUniverseView)
 //
 ///////////////////////////////////////
 
+enum panel_edit_mode
+{
+    PanelEdit_Modify,
+    PanelEdit_Destroy,
+    
+    PanelEdit_Count,
+};
+
 //
 // Drag Panel Border Operation Mode
 
@@ -144,12 +152,16 @@ OPERATION_STATE_DEF(drag_panel_border_operation_state)
     // it stores the value calculated when the operation mode is kicked off.
     rect InitialPanelBounds;
     panel_split_direction PanelEdgeDirection;
+    panel_edit_mode PanelEditMode;
 };
 
 OPERATION_RENDER_PROC(UpdateAndRenderDragPanelBorder)
 {
     drag_panel_border_operation_state* OpState = (drag_panel_border_operation_state*)Operation.OpStateMemory;
     rect PanelBounds = OpState->InitialPanelBounds;
+    
+    if (OpState->PanelEditMode == PanelEdit_Modify)
+    {
         v4 EdgePreviewColor = v4{.3f, .3f, .3f, 1.f};
         
         v2 EdgePreviewMin = {};
@@ -166,6 +178,37 @@ OPERATION_RENDER_PROC(UpdateAndRenderDragPanelBorder)
         }
         
         PushRenderQuad2D(RenderBuffer, EdgePreviewMin, EdgePreviewMax, EdgePreviewColor);
+    }
+    else if (OpState->PanelEditMode == PanelEdit_Destroy)
+    {
+        rect PanelToDeleteBounds = {};
+        if (OpState->PanelEdgeDirection == PanelSplit_Horizontal)
+        {
+            r32 SplitY = GSLerp(PanelBounds.Min.y, PanelBounds.Max.y, OpState->Panel->SplitPercent);
+            if (Mouse.Pos.y > SplitY)
+            {
+                PanelToDeleteBounds = GetTopPanelBounds(OpState->Panel, PanelBounds);
+            }
+            else
+            {
+                PanelToDeleteBounds = GetBottomPanelBounds(OpState->Panel, PanelBounds);
+            }
+        }
+        else if (OpState->PanelEdgeDirection == PanelSplit_Vertical)
+        {
+            r32 SplitX = GSLerp(PanelBounds.Min.x, PanelBounds.Max.x, OpState->Panel->SplitPercent);
+            if (Mouse.Pos.x > SplitX)
+            {
+                PanelToDeleteBounds = GetRightPanelBounds(OpState->Panel, PanelBounds);
+            }
+            else
+            {
+                PanelToDeleteBounds = GetLeftPanelBounds(OpState->Panel, PanelBounds);
+            }
+        }
+        v4 OverlayColor = v4{0, 0, 0, .3f};
+        PushRenderQuad2D(RenderBuffer, PanelToDeleteBounds.Min, PanelToDeleteBounds.Max, OverlayColor);
+    }
 }
 
 FOLDHAUS_INPUT_COMMAND_PROC(EndDragPanelBorderOperation)
@@ -174,6 +217,8 @@ FOLDHAUS_INPUT_COMMAND_PROC(EndDragPanelBorderOperation)
     panel* Panel = OpState->Panel;
     rect PanelBounds = OpState->InitialPanelBounds;
     
+    if (OpState->PanelEditMode == PanelEdit_Modify)
+    {
         if (Panel->SplitDirection == PanelSplit_Horizontal)
         {
             r32 NewSplitY = Mouse.Pos.y;
@@ -206,22 +251,52 @@ FOLDHAUS_INPUT_COMMAND_PROC(EndDragPanelBorderOperation)
                 Panel->SplitPercent = (NewSplitX  - PanelBounds.Min.x) / Width(PanelBounds); 
             }
         }
+    }
+    else // PanelEdit_Destroy
+    {
+        if (OpState->PanelEdgeDirection == PanelSplit_Horizontal)
+        {
+            r32 SplitY = GSLerp(PanelBounds.Min.y, PanelBounds.Max.y, OpState->Panel->SplitPercent);
+            if (Mouse.Pos.y > SplitY)
+            {
+                ConsolidatePanelsKeepOne(Panel, Panel->Bottom, &State->PanelSystem);
+            }
+            else
+            {
+                ConsolidatePanelsKeepOne(Panel, Panel->Top, &State->PanelSystem);
+            }
+        }
+        else if (OpState->PanelEdgeDirection == PanelSplit_Vertical)
+        {
+            r32 SplitX = GSLerp(PanelBounds.Min.x, PanelBounds.Max.x, OpState->Panel->SplitPercent);
+            if (Mouse.Pos.x > SplitX)
+            {
+                ConsolidatePanelsKeepOne(Panel, Panel->Left, &State->PanelSystem);
+            }
+            else
+            {
+                ConsolidatePanelsKeepOne(Panel, Panel->Right, &State->PanelSystem);
+            }
+        }
+    }
     
     DeactivateCurrentOperationMode(&State->Modes);
 }
 
 input_command DragPanelBorderCommands[] = {
     { KeyCode_MouseLeftButton, KeyCode_Invalid, Command_Ended, EndDragPanelBorderOperation },
+    { KeyCode_MouseRightButton, KeyCode_Invalid, Command_Ended, EndDragPanelBorderOperation },
 };
 
 internal void
-BeginDragPanelBorder(panel* Panel, rect PanelBounds, panel_split_direction PanelEdgeDirection, mouse_state Mouse, app_state* State)
+BeginDragPanelBorder(panel* Panel, panel_edit_mode PanelEditMode, rect PanelBounds, panel_split_direction PanelEdgeDirection, mouse_state Mouse, app_state* State)
 {
     operation_mode* DragPanelBorder = ActivateOperationModeWithCommands(&State->Modes, DragPanelBorderCommands, UpdateAndRenderDragPanelBorder);
     drag_panel_border_operation_state* OpState = CreateOperationState(DragPanelBorder, &State->Modes, drag_panel_border_operation_state);
     OpState->Panel = Panel;
     OpState->InitialPanelBounds = PanelBounds;
     OpState->PanelEdgeDirection = PanelEdgeDirection;
+    OpState->PanelEditMode = PanelEditMode;
 }
 
 // ----------------
@@ -306,7 +381,7 @@ BeginSplitPanelOperation(panel* Panel, rect PanelBounds, mouse_state Mouse, app_
 #define PANEL_EDGE_CLICK_MAX_DISTANCE 6
 
 internal b32
-HandleMouseDownPanelInteractionOrRecurse(panel* Panel, rect PanelBounds, mouse_state Mouse, app_state* State)
+HandleMouseDownPanelInteractionOrRecurse(panel* Panel, panel_edit_mode PanelEditMode, rect PanelBounds, mouse_state Mouse, app_state* State)
 {
     b32 HandledMouseInput = false;
     
@@ -314,6 +389,7 @@ HandleMouseDownPanelInteractionOrRecurse(panel* Panel, rect PanelBounds, mouse_s
         && PointIsInRange(Mouse.DownPos, PanelBounds.Min, PanelBounds.Min + v2{25, 25}))
     {
         BeginSplitPanelOperation(Panel, PanelBounds, Mouse, State);
+        HandledMouseInput = true;
     }
     else if (Panel->SplitDirection == PanelSplit_Horizontal)
     {
@@ -321,15 +397,21 @@ HandleMouseDownPanelInteractionOrRecurse(panel* Panel, rect PanelBounds, mouse_s
         r32 ClickDistanceFromSplit = GSAbs(Mouse.DownPos.y - SplitY);
         if (ClickDistanceFromSplit < PANEL_EDGE_CLICK_MAX_DISTANCE)
         {
-            BeginDragPanelBorder(Panel, PanelBounds, PanelSplit_Horizontal, Mouse, State);
+            BeginDragPanelBorder(Panel, PanelEditMode, PanelBounds, PanelSplit_Horizontal, Mouse, State);
             HandledMouseInput = true;
         }
         else
         {
             rect TopPanelBounds = GetTopPanelBounds(Panel, PanelBounds);
             rect BottomPanelBounds = GetBottomPanelBounds(Panel, PanelBounds);
-            HandleMouseDownPanelInteractionOrRecurse(&Panel->Bottom->Panel, BottomPanelBounds, Mouse, State);
+            if (PointIsInRect(Mouse.DownPos, BottomPanelBounds))
-            HandleMouseDownPanelInteractionOrRecurse(&Panel->Top->Panel, TopPanelBounds, Mouse, State);
+            {
+                HandleMouseDownPanelInteractionOrRecurse(&Panel->Bottom->Panel, PanelEditMode, BottomPanelBounds, Mouse, State);
+            }
+            if (PointIsInRect(Mouse.DownPos, TopPanelBounds))
+            {
+                HandleMouseDownPanelInteractionOrRecurse(&Panel->Top->Panel, PanelEditMode, TopPanelBounds, Mouse, State);
+            }
         }
     }
     else if (Panel->SplitDirection == PanelSplit_Vertical)
@@ -338,15 +420,21 @@ HandleMouseDownPanelInteractionOrRecurse(panel* Panel, rect PanelBounds, mouse_s
         r32 ClickDistanceFromSplit = GSAbs(Mouse.DownPos.x - SplitX);
         if (ClickDistanceFromSplit < PANEL_EDGE_CLICK_MAX_DISTANCE)
         {
-            BeginDragPanelBorder(Panel, PanelBounds, PanelSplit_Vertical, Mouse, State);
+            BeginDragPanelBorder(Panel, PanelEditMode, PanelBounds, PanelSplit_Vertical, Mouse, State);
             HandledMouseInput = true;
         }
         else
         {
             rect LeftPanelBounds = GetLeftPanelBounds(Panel, PanelBounds);
             rect RightPanelBounds = GetRightPanelBounds(Panel, PanelBounds);
-            HandleMouseDownPanelInteractionOrRecurse(&Panel->Left->Panel, LeftPanelBounds, Mouse, State);
+            if (PointIsInRect(Mouse.DownPos, LeftPanelBounds))
-            HandleMouseDownPanelInteractionOrRecurse(&Panel->Right->Panel, RightPanelBounds, Mouse, State);
+            {
+                HandleMouseDownPanelInteractionOrRecurse(&Panel->Left->Panel, PanelEditMode, LeftPanelBounds, Mouse, State);
+            }
+            if (PointIsInRect(Mouse.DownPos, RightPanelBounds))
+            {
+                HandleMouseDownPanelInteractionOrRecurse(&Panel->Right->Panel, PanelEditMode, RightPanelBounds, Mouse, State);
+            }
         }
     }
     
@@ -358,10 +446,14 @@ HandleMousePanelInteraction(panel_system* PanelSystem, rect WindowBounds, mouse_
 {
     b32 HandledMouseInput = false;
     
+    panel* FirstPanel = &PanelSystem->Panels[0].Panel;
     if (MouseButtonTransitionedDown(Mouse.LeftButtonState))
     {
-        panel* FirstPanel = &PanelSystem->Panels[0].Panel;
+        HandledMouseInput = HandleMouseDownPanelInteractionOrRecurse(FirstPanel, PanelEdit_Modify, WindowBounds, Mouse, State);
-        HandledMouseInput = HandleMouseDownPanelInteractionOrRecurse(FirstPanel, WindowBounds, Mouse, State);
+    }
+    else if (MouseButtonTransitionedDown(Mouse.RightButtonState))
+    {
+        HandledMouseInput = HandleMouseDownPanelInteractionOrRecurse(FirstPanel, PanelEdit_Destroy, WindowBounds, Mouse, State);
     }
     
     return HandledMouseInput;

src/foldhaus_panel.h

@@ -133,6 +133,17 @@ FreePanelEntry(panel_entry* Entry, panel_system* PanelSystem)
     PanelSystem->FreeList.Free.Next = Entry;
 }
 
+internal void
+FreePanelEntryRecursive(panel_entry* Entry, panel_system* PanelSystem)
+{
+    if (Entry->Panel.SplitDirection != PanelSplit_NoSplit)
+    {
+        FreePanelEntryRecursive(Entry->Panel.Left, PanelSystem);
+        FreePanelEntryRecursive(Entry->Panel.Right, PanelSystem);
+    }
+    FreePanelEntry(Entry, PanelSystem);
+}
+
 internal void
 FreePanelAtIndex(s32 Index, panel_system* PanelSystem)
 {
@@ -182,11 +193,12 @@ ConsolidatePanelsKeepOne(panel* Parent, panel_entry* PanelEntryToKeep, panel_sys
     panel_entry* LeftChild = Parent->Left;
     panel_entry* RightChild = Parent->Right;
     
-    *Parent = PanelEntryToKeep->Panel;
+    panel_entry* PanelEntryToDestroy = PanelEntryToKeep == LeftChild ? RightChild : LeftChild;
-    Parent->SplitDirection = PanelSplit_NoSplit;
     
-    FreePanelEntry(LeftChild, PanelSystem);
+    *Parent = PanelEntryToKeep->Panel;
-    FreePanelEntry(RightChild, PanelSystem);
+    
+    FreePanelEntry(PanelEntryToKeep, PanelSystem);
+    FreePanelEntryRecursive(PanelEntryToDestroy, PanelSystem);
 }
 
 internal void

src/panels/foldhaus_panel_animation_timeline.h

@@ -5,7 +5,6 @@
 // [x] - play, pause, stop, 
 // [] - setting the start and end of the animation system
 // [] - displaying multiple layers
-// [] - 
 
 inline r32
 GetTimeFromPointInAnimationPanel(v2 Point, rect PanelBounds, s32 StartFrame, s32 EndFrame, r32 SecondsPerFrame)

src/win32_foldhaus.cpp

@@ -370,6 +370,7 @@ HandleWindowMessage (MSG Message, window* Window, input_queue* InputQueue, mouse
             AddInputEventEntry(InputQueue, KeyCode_MouseRightButton, false, true, 
                                ShiftDown, AltDown, CtrlDown, false);
             Mouse->RightButtonState = KeyState_IsDown & ~KeyState_WasDown;
+            Mouse->DownPos = Mouse->Pos;
         }break;
         
         case WM_LBUTTONUP:

todo.txt

@@ -36,14 +36,13 @@ Switch To Nodes
 - evaluation step (one node at a time)
 
 Hardening
-- turn the default sculpture view into an operation mode ? (have to think about this)
+x turn the default sculpture view into an operation mode ? (have to think about this)
 - Then we want to think about separating out mode render functions from mode update functions. Not sure its necessary but having something that operates like an update funciton but is called render is weird. Might want some sort of coroutine functionality in place, where modes can add and remove optional, parallel
 update functions
 - memory visualization
 -  x Log memory allocations
 - separate rendering thread
 - cache led positions. Only update if they are moving
-- :HotCodeReloading
 
 UI Improvements
 - highlight node field under active edit
@@ -92,10 +91,6 @@ Animation
 x timeline
 x create clips that play
 - clips can have parameters that drive them?
-- clips should have prerequesites
--  - channels active
--  - patterns active in the channel
--  - when a clip is playing, it should just take over the whole structure
 
 Optimization
 - investigate the memory access pattern of the SACN / LED systems. Guessing they are very slow