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Stored visual connections in the visual node layout system.

This commit is contained in:
Peter Slattery 2019-12-31 14:06:04 -08:00
parent 744a1c6c92
commit 2ab7ff1194
1 changed files with 55 additions and 17 deletions
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72
src/panels/foldhaus_panel_node_graph.h
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@ -11,6 +11,14 @@ struct visual_port
rect PortBounds;
};
struct visual_connection
{
u32 UpstreamVisualPortIndex;
u32 DownstreamVisualPortIndex;
v2 UpstreamPosition;
v2 DownstreamPosition;
};
struct node_layout
{
// NOTE(Peter): This Map is a sparse array.
@ -27,6 +35,9 @@ struct node_layout
visual_port* VisualPorts;
u32 VisualPortsCount;
visual_connection* VisualConnections;
u32 VisualConnectionsCount;
u32 LayerCount;
v2* LayerPositions;
@ -269,6 +280,24 @@ DrawNode (v2 Position, node_specification NodeSpecification, r32 NodeWidth, r32
DrawNodePorts(NodeSpecification, IsOutputMember, OutputLinePosition, LineHeight, Align_Right, OutputTextOffset, Interface, RenderBuffer, Mouse);
}
internal s32
GetVisualPortIndexForNode(gs_list_handle SparseNodeHandle, u32 PortIndex, node_layout Layout)
{
s32 Result = -1;
for (u32 i = 0; i < Layout.VisualPortsCount; i++)
{
visual_port Port = Layout.VisualPorts[i];
if (GSListHandlesAreEqual(Port.SparseNodeHandle, SparseNodeHandle) && Port.PortIndex == PortIndex)
{
Result = i;
break;
}
}
return Result;
}
internal node_layout
ArrangeNodes(pattern_node_workspace Workspace, r32 NodeWidth, r32 LayerDistance, r32 LineHeight, memory_arena* Storage)
{
@ -374,6 +403,23 @@ ArrangeNodes(pattern_node_workspace Workspace, r32 NodeWidth, r32 LayerDistance,
}
}
Result.VisualConnectionsCount = Workspace.Connections.Used;
Result.VisualConnections = PushArray(Storage, visual_connection, Result.VisualConnectionsCount);
for (u32 c = 0; c < Workspace.Connections.Used; c++)
{
pattern_node_connection* Connection = Workspace.Connections.GetElementAtIndex(c);
visual_connection* VisualConnection = Result.VisualConnections + c;
VisualConnection->UpstreamVisualPortIndex = GetVisualPortIndexForNode(Connection->UpstreamNodeHandle, Connection->UpstreamPortIndex, Result);
VisualConnection->DownstreamVisualPortIndex = GetVisualPortIndexForNode(Connection->DownstreamNodeHandle, Connection->DownstreamPortIndex, Result);
visual_port UpstreamPort = Result.VisualPorts[VisualConnection->UpstreamVisualPortIndex];
visual_port DownstreamPort = Result.VisualPorts[VisualConnection->DownstreamVisualPortIndex];
VisualConnection->UpstreamPosition = CalculateRectCenter(UpstreamPort.PortBounds);
VisualConnection->DownstreamPosition = CalculateRectCenter(DownstreamPort.PortBounds);
}
return Result;
}
@ -410,29 +456,21 @@ PANEL_RENDER_PROC(NodeGraph_Render)
DrawGrid(GraphState->ViewOffset, v2{100, 100}, GraphBounds, RenderBuffer);
render_quad_batch_constructor ConnectionsLayer = PushRenderQuad2DBatch(RenderBuffer, State->NodeWorkspace.Connections.Used + 1);
for (u32 i = 0; i < State->NodeWorkspace.Connections.Used; i++)
for (u32 i = 0; i < GraphState->Layout.VisualConnectionsCount; i++)
{
pattern_node_connection Connection = *State->NodeWorkspace.Connections.GetElementAtIndex(i);
visual_connection Connection = GraphState->Layout.VisualConnections[i];
u32 UpstreamNodeVisualIndex = GraphState->Layout.SparseToContiguousNodeMap[Connection.UpstreamNodeHandle.Index];
u32 DownstreamNodeVisualIndex = GraphState->Layout.SparseToContiguousNodeMap[Connection.DownstreamNodeHandle.Index];
visual_node UpstreamNode = GraphState->Layout.VisualNodes[UpstreamNodeVisualIndex];
visual_node DownstreamNode = GraphState->Layout.VisualNodes[DownstreamNodeVisualIndex];
v2 LineStart = GraphState->ViewOffset + UpstreamNode.Position + v2{NodeWidth, 0} - (v2{0, LineHeight} * (Connection.UpstreamPortIndex + 2)) + v2{0, LineHeight / 3};
v2 LineEnd = GraphState->ViewOffset + DownstreamNode.Position - (v2{0, LineHeight} * (Connection.DownstreamPortIndex + 2)) + v2{0, LineHeight / 3};
PushLine2DOnBatch(&ConnectionsLayer, LineStart, LineEnd, 1.5f, WhiteV4);
v2 Start = GraphState->ViewOffset + Connection.UpstreamPosition;
v2 End = GraphState->ViewOffset + Connection.DownstreamPosition;
PushRenderLine2D(RenderBuffer, Start, End, 1.5f, WhiteV4);
}
if (GraphState->Layout.ConnectionIsInProgress)
{
PushLine2DOnBatch(&ConnectionsLayer,
GraphState->Layout.InProgressConnectionStart,
GraphState->Layout.InProgressConnectionEnd,
1.5f, WhiteV4);
PushRenderLine2D(RenderBuffer,
GraphState->Layout.InProgressConnectionStart,
GraphState->Layout.InProgressConnectionEnd,
1.5f, WhiteV4);
}
for (u32 i = 0; i < GraphState->Layout.VisualNodesCount; i++)