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Progress + prettier ice walls

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This commit is contained in:
Regalis
2015-12-12 13:44:05 +02:00
parent 78bccca4af
commit 17e8a2171f
49 changed files with 479 additions and 273 deletions
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Subsurface/Source/Map/Levels/Level.cs
+161 -13
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@@ -6,6 +6,7 @@ using Lidgren.Network;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System;
using System.Linq;
using System.Collections.Generic;
using System.Diagnostics;
using Voronoi2;
@@ -324,7 +325,12 @@ namespace Barotrauma
wrappingWalls[side, i] = new WrappingWall(pathCells, cells, borders.Height * 0.5f,
(side == 0 ? -1 : 1) * (i == 0 ? 1 : 2));
wrappingWalls[side, i].Vertices = GeneratePolygons(wrappingWalls[side, i].Cells, new List<VoronoiCell>());
wrappingWalls[side, i].Vertices = GeneratePolygons(wrappingWalls[side, i].Cells, new List<VoronoiCell>(), false);
//wrappingWalls[side, i].Cells[0].edges[1].isSolid = false;
//wrappingWalls[side, i].Cells[0].edges[3].isSolid = false;
//wrappingWalls[side, i].Cells[wrappingWalls[side, i].Cells.Count-1].edges[1].isSolid = false;
//wrappingWalls[side, i].Cells[wrappingWalls[side, i].Cells.Count - 1].edges[3].isSolid = false;
}
}
@@ -616,7 +622,7 @@ namespace Barotrauma
}
private VertexPositionTexture[] GeneratePolygons(List<VoronoiCell> cells, List<VoronoiCell> emptyCells)
private VertexPositionTexture[] GeneratePolygons(List<VoronoiCell> cells, List<VoronoiCell> emptyCells, bool setSolid=true)
{
List<VertexPositionTexture> verticeList = new List<VertexPositionTexture>();
//bodies = new List<Body>();
@@ -639,7 +645,7 @@ namespace Barotrauma
VoronoiCell adjacentCell = ge.AdjacentCell(cell);
if (adjacentCell!=null && cells.Contains(adjacentCell)) continue;
ge.isSolid = true;
if (setSolid) ge.isSolid = true;
if (!bodyPoints.Contains(ge.point1)) bodyPoints.Add(ge.point1);
if (!bodyPoints.Contains(ge.point2)) bodyPoints.Add(ge.point2);
@@ -651,15 +657,14 @@ namespace Barotrauma
continue;
}
var triangles = MathUtils.TriangulateConvexHull(tempVertices, cell.Center);
for (int i = 0; i < triangles.Count; i++)
{
foreach (Vector2 vertex in triangles[i])
{
verticeList.Add(new VertexPositionTexture(new Vector3(vertex, 0.0f), vertex/1000.0f));
}
}
//var triangles = MathUtils.TriangulateConvexHull(tempVertices, cell.Center);
//for (int i = 0; i < triangles.Count; i++)
//{
// foreach (Vector2 vertex in triangles[i])
// {
// verticeList.Add(new VertexPositionTexture(new Vector3(vertex, 0.0f), vertex/1000.0f));
// }
//}
if (bodyPoints.Count < 2) continue;
@@ -679,7 +684,7 @@ namespace Barotrauma
bodyPoints[i] = ConvertUnits.ToSimUnits(bodyPoints[i]);
}
triangles = MathUtils.TriangulateConvexHull(bodyPoints, cell.Center);
var triangles = MathUtils.TriangulateConvexHull(bodyPoints, cell.Center);
Body edgeBody = new Body(GameMain.World);
@@ -701,9 +706,152 @@ namespace Barotrauma
bodies.Add(edgeBody);
}
verticeList = GenerateWallShapes(cells);
return verticeList.ToArray();
}
private List<VertexPositionTexture> GenerateWallShapes(List<VoronoiCell> cells)
{
float wallThickness = 500.0f;
List<VertexPositionTexture> verticeList = new List<VertexPositionTexture>();
foreach (VoronoiCell cell in cells)
{
if (cell.body == null) continue;
foreach (GraphEdge edge in cell.edges)
{
if (edge.cell1 != null && edge.cell1.body == null) edge.cell1 = null;
if (edge.cell2 != null && edge.cell2.body == null) edge.cell2 = null;
//CompareCCW compare = new CompareCCW(cell.Center);
//if (compare.Compare(edge.point1, edge.point2) == -1)
//{
// var temp = edge.point1;
// edge.point1 = edge.point2;
// edge.point2 = temp;
//}
}
}
foreach (VoronoiCell cell in cells)
{
if (cell.body == null) continue;
foreach (GraphEdge edge in cell.edges)
{
if (!edge.isSolid) continue;
GraphEdge leftEdge = null, rightEdge = null;
foreach (GraphEdge edge2 in cell.edges)
{
if (edge == edge2) continue;
if (edge.point1 == edge2.point1 ||
edge.point1 == edge2.point2)
{
leftEdge = edge2;
}
else if(edge.point2 == edge2.point2 || edge.point2 == edge2.point1)
{
rightEdge = edge2;
}
}
Vector2 leftNormal = Vector2.Zero, rightNormal = Vector2.Zero;
if (leftEdge == null)
{
leftNormal = GetEdgeNormal(edge, cell);
}
else
{
leftNormal = (leftEdge.isSolid) ?
Vector2.Normalize(GetEdgeNormal(leftEdge) + GetEdgeNormal(edge, cell)) :
Vector2.Normalize(leftEdge.Center - edge.point1);
}
if (rightEdge == null)
{
rightNormal = GetEdgeNormal(edge, cell);
}
else
{
rightNormal = (rightEdge.isSolid) ?
Vector2.Normalize(GetEdgeNormal(rightEdge) + GetEdgeNormal(edge, cell)) :
Vector2.Normalize(rightEdge.Center - edge.point2);
}
for (int i = 0; i < 2; i++)
{
Vector2[] verts = new Vector2[3];
VertexPositionTexture[] vertPos = new VertexPositionTexture[3];
if (i==0)
{
verts[0] = edge.point1;
verts[1] = edge.point2;
verts[2] = edge.point1 + leftNormal * wallThickness;
vertPos[0] = new VertexPositionTexture(new Vector3(verts[0], 0.0f), Vector2.Zero);
vertPos[1] = new VertexPositionTexture(new Vector3(verts[1], 0.0f), Vector2.UnitX);
vertPos[2] = new VertexPositionTexture(new Vector3(verts[2], 0.0f), new Vector2(0, 0.5f));
}
else
{
verts[0] = edge.point1 + leftNormal * wallThickness;
verts[1] = edge.point2;
verts[2] = edge.point2 + rightNormal * wallThickness;
vertPos[0] = new VertexPositionTexture(new Vector3(verts[0], 0.0f), new Vector2(0.0f, 0.5f));
vertPos[1] = new VertexPositionTexture(new Vector3(verts[1], 0.0f), Vector2.UnitX);
vertPos[2] = new VertexPositionTexture(new Vector3(verts[2], 0.0f), new Vector2(1.0f, 0.5f));
}
var comparer = new CompareCCW((verts[0] + verts[1] + verts[2]) / 3.0f);
Array.Sort(verts, vertPos, comparer);
for (int j = 0; j<3; j++)
{
verticeList.Add(vertPos[j]);
}
}
}
}
return verticeList;
}
private Vector2 GetEdgeNormal(GraphEdge edge, VoronoiCell cell = null)
{
if (cell == null) cell = edge.AdjacentCell(null);
if (cell == null) return Vector2.UnitX;
CompareCCW compare = new CompareCCW(cell.Center);
if (compare.Compare(edge.point1, edge.point2) == -1)
{
var temp = edge.point1;
edge.point1 = edge.point2;
edge.point2 = temp;
}
Vector2 normal = Vector2.Zero;
normal = Vector2.Normalize(edge.point2 - edge.point1);
Vector2 diffToCell = Vector2.Normalize(cell.Center - edge.point2);
normal = new Vector2(-normal.Y, normal.X);
if (Vector2.Dot(normal, diffToCell) < 0)
{
normal = -normal;
}
return normal;
}
//public void SetPosition(Vector2 pos)
//{
// Vector2 amount = pos - Position;