public static bool CheckForPlacementCollision(BoundingBox collisionBox, Vector2 position, SurfaceContainer surface, Base.CollisionLayer collisionMask)
{
int[] chunkList = BoundingBox.GetChunkBounds(collisionBox, position, surface);
int[][] tileList = BoundingBox.GetTileBounds(collisionBox, position);
for (int i = 0; i < chunkList.Length; i++)
{
Chunk chunk = surface.GetChunk(chunkList[i], false);
if (chunk == null)
{
continue;
}
//entity collision checks
List <Entity> collisionList = chunk.entityCollisionList;
for (int j = 0; j < collisionList.Count; j++)
{
if ((collisionList[j].collisionMask & collisionMask) != 0)
{
if (BoundingBox.CheckCollision(collisionBox, collisionList[j].collisionBox, position, collisionList[j].position))
{
return(true);
}
}
}
//tile collision checks
//Perhaps switch to continually checking whether the player is colliding with a tile at his position until he isnt colliding with a tile?
//Would fix the situation where getting stuck in water still allows movement within
//TODO: try solution outline above
for (int j = 0; j < tileList[i].Length; j++)
{
Tile tile = surface.tileCollection.GetTerrainTile(chunk.GetTile(tileList[i][j]));
if ((collisionMask & tile.collisionMask) != 0)
{
Vector2 tilePos = surface.WorldToTileVector(chunkList[i], tileList[i][j]);
if (BoundingBox.CheckCollision(collisionBox, surface.tileBox, position, tilePos))
{
return(true);
}
}
}
}
return(false);
}
/// <summary>
/// Generates the bounding box vertex array for a terrain using the map colors of the tile.
/// </summary>
/// <param name="chunk"></param>
/// <param name="chunkIndex"></param>
/// <param name="pointsTile"></param>
/// <returns></returns>
public VertexArray GenerateTerrainBoundingBoxArray(SurfaceContainer surface, Chunk chunk, int chunkIndex, float[] pointsTile)
{
VertexArray vertexArray = new VertexArray(PrimitiveType.Lines);
for (int k = 0; k < Props.chunkSize; k++)
{
for (int l = 0; l < Props.chunkSize; l++)
{
Tile tile = GetTerrainTile(chunk.GetTile(k, l));
if ((tile.collisionMask & Base.CollisionLayer.TerrainSolid) != 0)
{
Vector2 position = surface.WorldToTileVector(chunkIndex, k * Props.chunkSize + l);
for (int x = 0; x < pointsTile.Length; x += 2)
{
vertexArray.Append(new Vertex(new Vector2f(pointsTile[x] + position.x, pointsTile[x + 1] + position.y), tile.mapColor));
vertexArray.Append(new Vertex(new Vector2f(pointsTile[(x + 2) % 8] + position.x, pointsTile[(x + 3) % 8] + position.y), tile.mapColor));
}
}
}
}
return(vertexArray);
}