void InstantiateOuterWalls(Board board, Position boardPosition)
{
// The outer walls are one unit left, right, up and down from the board.
float halfWidth = (board.GridStep.x * board.GridCount.x) * 0.5f;
float halfHeight = (board.GridStep.y * board.GridCount.y) * 0.5f;
float halfStepX = board.GridStep.x * 0.5f;
float halfStepY = board.GridStep.y * 0.5f;
float leftEdgeX = (-halfWidth) + halfStepX;
float rightEdgeX = halfWidth - halfStepX;
float bottomEdgeY = (-halfHeight) + halfStepY;
float topEdgeY = halfHeight - halfStepY;
// Shift outer wall outward one step
leftEdgeX -= board.GridStep.x;
rightEdgeX += board.GridStep.x;
topEdgeY += board.GridStep.y;
bottomEdgeY -= board.GridStep.y;
var boardReference = new BoardReference
{
TileSetId = board.TileSetId
};
OuterWallTileGroup.SetFilter(boardReference);
var outerWallTileGroupEntities = OuterWallTileGroup.GetEntityArray();
if (outerWallTileGroupEntities.Length > 0)
{
// copy data from ComponentGroup
var tileEntities = new NativeArray <Entity>(outerWallTileGroupEntities.Length, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
for (int i = 0; i < outerWallTileGroupEntities.Length; i++)
{
tileEntities[i] = outerWallTileGroupEntities[i];
}
// Instantiate both vertical walls (one on each side).
InstantiateVerticalOuterWall(leftEdgeX, bottomEdgeY, topEdgeY, board.GridStep.y, tileEntities, boardPosition);
InstantiateVerticalOuterWall(rightEdgeX, bottomEdgeY, topEdgeY, board.GridStep.y, tileEntities, boardPosition);
// Instantiate both horizontal walls, these are one in left and right from the outer walls.
InstantiateHorizontalOuterWall(leftEdgeX + board.GridStep.x, rightEdgeX - board.GridStep.x, bottomEdgeY, board.GridStep.x, tileEntities, boardPosition);
InstantiateHorizontalOuterWall(leftEdgeX + board.GridStep.x, rightEdgeX - board.GridStep.x, topEdgeY, board.GridStep.x, tileEntities, boardPosition);
tileEntities.Dispose();
}
}
void InstantiateTiles(Board board, NativeArray <TileType> tiles, int tilesStride, Position parent)
{
// The outer walls are one unit left, right, up and down from the board.
float halfWidth = (board.GridStep.x * board.GridCount.x) * 0.5f;
float halfHeight = (board.GridStep.y * board.GridCount.y) * 0.5f;
float halfStepX = board.GridStep.x * 0.5f;
float halfStepY = board.GridStep.y * 0.5f;
float leftEdgeX = (-halfWidth) + halfStepX;
float topEdgeY = halfHeight - halfStepY;
var boardReference = new BoardReference
{
TileSetId = board.TileSetId
};
FloorTileGroup.SetFilter(boardReference);
var floorTileGroupEntities = FloorTileGroup.GetEntityArray();
WallTileGroup.SetFilter(boardReference);
var wallTileGroupEntities = WallTileGroup.GetEntityArray();
// copy data from ComponentGroup
var floorTileEntities = new NativeArray <Entity>(floorTileGroupEntities.Length, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
for (int i = 0; i < floorTileGroupEntities.Length; i++)
{
floorTileEntities[i] = floorTileGroupEntities[i];
}
var wallTileEntities = new NativeArray <Entity>(wallTileGroupEntities.Length, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
for (int i = 0; i < wallTileGroupEntities.Length; i++)
{
wallTileEntities[i] = wallTileGroupEntities[i];
}
// Go through all the tiles...
for (int i = 0; i < board.GridCount.y; i++)
{
for (int j = 0; j < board.GridCount.x; j++)
{
var x = leftEdgeX + (j * board.GridStep.x);
var y = topEdgeY + (-i * board.GridStep.y);
if (tiles[(i * tilesStride) + j] == TileType.Floor)
{
// ... and instantiate a floor tile for it.
if (floorTileEntities.Length > 0)
{
InstantiateFromArray(floorTileEntities, x, y, parent);
}
}
else
{
if (wallTileEntities.Length > 0)
{
InstantiateFromArray(wallTileEntities, x, y, parent);
}
}
}
}
floorTileEntities.Dispose();
wallTileEntities.Dispose();
}