public Tile(Point tilesetPos, int tilesetLengthX, int tilesetLengthY, TileType type)
{
TilesetHelper.setInitialTileOffset(this, tilesetPos, tilesetLengthX, tilesetLengthY);
this.tilesetPos = tilesetPos;
this.type = type;
}
/**
* Gets the index data for this tile.
* @param startVert The starting index for this tile.
* @return An int array containing the tile's indices.
*/
public ushort[] getIndexData(ushort startVert)
{
ushort[] order;
switch (type)
{
case TileType.Floor:
order = new ushort[] { 0, 1, 2, 0, 2, 3 };
break;
case TileType.Wall:
order = TilesetHelper.getTileIndices(this.borders);
break;
case TileType.Pit:
order = TilesetHelper.getTileIndices(this.borders);
break;
default:
order = new ushort[] { 0, 1, 2, 0, 2, 3 };
break;
}
for (int i = 0; i < order.Length; i++)
{
order[i] += startVert;
}
return(order);
}
/**
* Gets the vertex data for this tile.
* @return The tile's vertices.
*/
public float[] getVertexData()
{
//calculate vertices
float s = SIZE_F / 2;
float[] vertices = null;
float[] texCoords = null;
float[] normals = null;
switch (type)
{
case TileType.Floor:
vertices = new float[]
{
-s, s, 0,
-s, -s, 0,
s, -s, 0,
s, s, 0
};
texCoords = new float[]
{
0, 0,
0, 64f / 256f - 1f / 512f,
64f / 512f - 1f / 1024f, 64.0f / 256.0f - 1f / 512f,
64f / 512f - 1f / 1024f, 0
};
normals = new float[]
{
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1
};
break;
case TileType.Wall:
vertices = TilesetHelper.getTileVertices(this.borders, s, SIZE_F);
texCoords = TilesetHelper.getWallTexCoords(this.borders);
normals = TilesetHelper.getTileNormals(this.borders);
break;
case TileType.Pit:
vertices = TilesetHelper.getTileVertices(this.borders, s, -SIZE_F);
texCoords = TilesetHelper.getPitTexCoords(this.borders);
normals = TilesetHelper.getTileNormals(this.borders);
break;
default:
//by default use the same vertices as the floor.
vertices = new float[]
{
-s, s, 0,
-s, -s, 0,
s, -s, 0,
s, s, 0
};
texCoords = new float[]
{
0, 0,
0, 64f / 256f - 1f / 512f,
64f / 512f - 1f / 1024f, 64.0f / 256.0f - 1f / 512f,
64f / 512f - 1f / 1024f, 0
};
normals = new float[]
{
0, 0, 1,
0, 0, 1,
0, 0, 1,
0, 0, 1
};
break;
}
//shift vertices to position
for (int i = 0; i < vertices.Length; i += 3)
{
vertices[i] += pos.X;
vertices[i + 1] += pos.Y;
}
float[] vertexData = new float[(vertices.Length / 3) * 8];
//interleave arrays
for (int i = 0; i < vertices.Length / 3; i++)
{
vertexData[i * 8] = vertices[i * 3];
vertexData[i * 8 + 1] = vertices[i * 3 + 1];
vertexData[i * 8 + 2] = vertices[i * 3 + 2];
vertexData[i * 8 + 3] = texCoords[i * 2];
vertexData[i * 8 + 4] = texCoords[i * 2 + 1];
vertexData[i * 8 + 5] = normals[i * 3];
vertexData[i * 8 + 6] = normals[i * 3 + 1];
vertexData[i * 8 + 7] = normals[i * 3 + 2];
}
return(vertexData);
}
