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Adjusting submarine spawnposition if the sub (or any docked subs) intersect with walls

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This commit is contained in:
Regalis
2016-12-20 16:11:47 +02:00
parent 5e8a01636e
commit dd46ce1d98
3 changed files with 94 additions and 1 deletions
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62
Subsurface/Source/Map/Submarine.cs
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@@ -11,6 +11,7 @@ using System.IO;
using System.Linq;
using System.Reflection;
using System.Xml.Linq;
using Voronoi2;
namespace Barotrauma
{
@@ -311,6 +312,67 @@ namespace Barotrauma
dockedBorders.Y += dockedBorders.Height;
return dockedBorders;
}
public Vector2 FindSpawnPos(Vector2 spawnPos)
{
Rectangle dockedBorders = GetDockedBorders();
int iterations = 0;
bool wallTooClose = false;
do
{
Rectangle worldBorders = new Rectangle(
dockedBorders.X + (int)spawnPos.X,
dockedBorders.Y + (int)spawnPos.Y,
dockedBorders.Width,
dockedBorders.Height);
wallTooClose = false;
var nearbyCells = Level.Loaded.GetCells(
spawnPos, (int)Math.Ceiling(Math.Max(dockedBorders.Width, dockedBorders.Height) / (float)Level.GridCellSize));
foreach (VoronoiCell cell in nearbyCells)
{
if (cell.CellType == CellType.Empty) continue;
foreach (GraphEdge e in cell.edges)
{
List<Vector2> intersections = MathUtils.GetLineRectangleIntersections(e.point1, e.point2, worldBorders);
foreach (Vector2 intersection in intersections)
{
wallTooClose = true;
if (intersection.X < spawnPos.X)
{
spawnPos.X += intersection.X - worldBorders.X;
}
else
{
spawnPos.X += intersection.X - worldBorders.Right;
}
if (intersection.Y < spawnPos.Y)
{
spawnPos.Y += intersection.Y - (worldBorders.Y - worldBorders.Height);
}
else
{
spawnPos.Y += intersection.Y - worldBorders.Y;
}
spawnPos.Y = Math.Min(spawnPos.Y, Level.Loaded.Size.Y - dockedBorders.Height / 2);
}
}
}
iterations++;
} while (wallTooClose && iterations < 10);
return spawnPos;
}
//drawing ----------------------------------------------------