Function DrawItemPathfinding

TombEngine/Game/control/box.cpp:200–343

}

void DrawItemPathfinding(int itemNumber)
{
	constexpr auto MAX_DRAW_STEPS = 100;
	constexpr auto ROOT_NODE_RADIUS = 64.0f;
	constexpr auto INTERMEDIATE_NODE_RADIUS = 32.0f;

	if (itemNumber < 0 || itemNumber >= g_Level.Items.size())
		return;

	auto& item = g_Level.Items[itemNumber];
	if (!item.IsCreature())
		return;

	auto* creature = GetCreatureInfo(&item);
	const auto& LOT = creature->LOT;

	// Green box: current box (where creature is).
	if (item.BoxNumber != NO_VALUE)
		DrawBox(item.BoxNumber, Vector3(0, 1, 0));

	// Blue box: TargetBox (pathfinding destination).
	if (LOT.TargetBox != NO_VALUE)
		DrawBox(LOT.TargetBox, Vector3(0, 0, 1));

	// Cyan box: RequiredBox (if different from TargetBox).
	if (LOT.RequiredBox != NO_VALUE && LOT.RequiredBox != LOT.TargetBox)
		DrawBox(LOT.RequiredBox, Vector3(0, 1, 1));

	if (item.BoxNumber == NO_VALUE || LOT.TargetBox == NO_VALUE)
		return;

	// Draw creature's own node.
	auto source = item.Pose.Position.ToVector3();
	source.y -= CLICK(1);
	DrawDebugSphere(source, ROOT_NODE_RADIUS, Vector4::One, RendererDebugPage::PathfindingStats, false);
	DrawDebugString(item.Name, source, Vector4::One, RendererDebugPage::PathfindingStats);

	// If target is not bound to enemy, indicate it.
	auto target = LOT.Target.ToVector3();
	bool drawName = creature->Enemy != nullptr && Vector3i::Distance(creature->Enemy->Pose.Position, LOT.Target) <= BLOCK(1);
	target.y -= ROOT_NODE_RADIUS;

	// Draw target node.
	DrawDebugSphere(target, ROOT_NODE_RADIUS, Vector4::One, RendererDebugPage::PathfindingStats, false);
	DrawDebugString(drawName ? creature->Enemy->Name : "< PENDING >", target, Vector4::One, RendererDebugPage::PathfindingStats);

	// If creature got a penalty for accessing bad box, remember it for further indication.
	int blinkingBox = NO_VALUE;
	for (auto& badBox : LOT.BadBoxes)
	{
		int cooldownLimit = g_GameFlow->GetSettings()->Pathfinding.CollisionPenaltyCooldown * FPS;
		if (badBox.BoxNumber != NO_VALUE && badBox.Count < -(cooldownLimit / 2))
		{
			blinkingBox = badBox.BoxNumber;
			break;
		}
	}