private static void CreateShadowCasters(Level level, LevelBuildData buildData)
{
EnvironmentObject environment = CreateEnvironment("Shadow Caster", EnvironmentObjectComponent.MeshFilter | EnvironmentObjectComponent.MeshRenderer);
LevelEnvironmentData data = new LevelEnvironmentData();
data.Triangles.Add(0, new List <int>());
foreach (var pair in buildData.Tiles)
{
if (!pair.Value.CastsShadows)
{
continue;
}
Vector2 worldPosition = Utility.AxialToWorldPosition(pair.Key);
byte bitmask = Utility.GetBitmask(pair.Key, level.TilePositions);
List <Line> lines = pair.Value.Brush.GetCollisionCoordinates(bitmask);
foreach (Line line in lines)
{
AddLineToMeshData(data, line, worldPosition);
}
}
Mesh mesh = data.BuildMesh("Shadow Caster Mesh");
environment.Filter.mesh = mesh;
environment.Renderer.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.ShadowsOnly;
environment.Renderer.material = new Material(Shader.Find("Standard"));
level.AddEnvironment(environment.GameObject);
}
public static void Build(LevelEnvironmentData data, TileData tile, Vector3 worldPosition, byte bitmask)
{
foreach (Line edge in tile.Brush.GetEdgeCoordinates(bitmask))
{
int vertexCount = data.Vertices.Count;
// Vertices.
Vector3 scaledA = Utility.ScaleToHexagonalSize(edge.A) + worldPosition;
Vector3 scaledB = Utility.ScaleToHexagonalSize(edge.B) + worldPosition;
data.Vertices.AddRange(new Vector3[4]
{
scaledA,
scaledB,
scaledB + new Vector3(0, 0, EdgeDepth),
scaledA + new Vector3(0, 0, EdgeDepth),
});
// Triangles.
data.SetTriangles(tile.EdgeMaterial, new int[6]
{
vertexCount + 0, vertexCount + 1, vertexCount + 2,
vertexCount + 2, vertexCount + 3, vertexCount + 0,
});
// UVs.
data.UVs.AddRange(new List <Vector2>()
{
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(1, 0),
new Vector2(0, 0),
});
}
}
private static void AddLineToMeshData(LevelEnvironmentData data, Line line, Vector3 offset)
{
int verticeCount = data.Vertices.Count;
data.Vertices.AddRange(new Vector3[4]
{
offset + Utility.ScaleToHexagonalSize((Vector3)line.A),
offset + Utility.ScaleToHexagonalSize((Vector3)line.A + CeilingOffset),
offset + Utility.ScaleToHexagonalSize((Vector3)line.B + CeilingOffset),
offset + Utility.ScaleToHexagonalSize((Vector3)line.B),
});
data.Triangles[0].AddRange(new int[6]
{
verticeCount + 2, verticeCount + 1, verticeCount + 0,
verticeCount + 0, verticeCount + 3, verticeCount + 2,
});
}
private static void CreateEnvironment(Level level, LevelBuildData buildData)
{
EnvironmentObject environment = CreateEnvironment("Environment", EnvironmentObjectComponent.MeshFilter | EnvironmentObjectComponent.MeshRenderer);
LevelEnvironmentData data = new LevelEnvironmentData();
foreach (var pair in buildData.Tiles)
{
Vector2 worldPosition = Utility.AxialToWorldPosition(pair.Key);
byte bitmask = Utility.GetBitmask(pair.Key, level.TilePositions);
AddTileToLevel(data, pair.Value, worldPosition, bitmask);
}
Mesh mesh = data.BuildMesh("Environment Mesh");
environment.Filter.mesh = mesh;
environment.Renderer.materials = data.Materials.ToArray();
level.AddEnvironment(environment.GameObject);
}
private static void AddTileToLevel(LevelEnvironmentData data, TileData tile, Vector3 worldPosition, byte bitmask)
{
int verticeCount = data.Vertices.Count;
TileMeshData meshData = tile.Brush.GetMeshData(bitmask);
// Vertices.
foreach (Vector3 vertex in meshData.Vertices)
{
data.Vertices.Add(Utility.ScaleToHexagonalSize(vertex) + worldPosition);
}
// Triangles.
int[][] rawTriangles = meshData.Triangles;
for (int i = 0; i < rawTriangles.Length; i++)
{
int[] trianglesToSet = new int[rawTriangles[i].Length];
// Offset the triangles
for (int w = 0; w < rawTriangles[i].Length; w++)
{
trianglesToSet[w] = rawTriangles[i][w] + verticeCount;
}
data.SetTriangles(tile.BrushMaterials[i], trianglesToSet);
}
// UVs.
foreach (Vector2 uv in meshData.UVs)
{
data.UVs.Add(uv);
}
// Edges.
if (!AxialDirection.ContainsDirection(bitmask, AxialDirection.DownLeft) || !AxialDirection.ContainsDirection(bitmask, AxialDirection.DownRight))
{
EdgeBuilder.Build(data, tile, worldPosition, bitmask);
}
}