/// <summary>
/// Addds one face to our render buffer
/// </summary>
/// <param name="materialID">ID of material to use when building the mesh</param>
/// <param name="verts"> An array of 4 vertices forming the face</param>
/// <param name="colors">An array of 4 colors</param>
/// <param name="uvs">An array of 4 UV coordinates</param>
/// <param name="backFace">If false, vertices are added clock-wise</param>
public void AddFace(int materialID, Vector3[] verts, Color32[] colors, Vector4[] uvs, bool backFace)
{
Assert.IsTrue(verts.Length == 4);
List <RenderGeometryBuffer> holder = Buffers[materialID];
RenderGeometryBuffer buffer = holder[holder.Count - 1];
// If there are too many vertices we need to create a new separate buffer for them
if (buffer.vertices.Count + 4 > 65000)
{
buffer = new RenderGeometryBuffer
{
uV1s = new List <Vector4>(),
colors = new List <Color32>()
};
holder.Add(buffer);
}
// Add vertices
int initialVertexCount = buffer.vertices.Count;
buffer.vertices.AddRange(verts);
// Add UVs
PrepareUVs(ref buffer.uV1s, buffer.vertices, initialVertexCount);
buffer.uV1s.AddRange(uvs);
// Add colors
PrepareColors(ref buffer.colors, buffer.vertices, initialVertexCount);
buffer.colors.AddRange(colors);
// Add indices
buffer.AddIndices(buffer.vertices.Count, backFace);
}
/// <summary>
/// Finalize the draw calls
/// </summary>
public void Commit(Vector3 position, Quaternion rotation, ref Bounds bounds
#if DEBUG
, string debugName = null
#endif
)
{
ReleaseOldData();
for (int j = 0; j < Buffers.Length; j++)
{
List <RenderGeometryBuffer> holder = Buffers[j];
Material material = (materials == null || materials.Length < 1) ? null : materials[j];
for (int i = 0; i < holder.Count; i++)
{
RenderGeometryBuffer buffer = holder[i];
// No data means there's no mesh to build
if (buffer.IsEmpty)
{
continue;
}
GameObject go = GameObjectProvider.PopObject(prefabName);
Assert.IsTrue(go != null);
if (go != null)
{
#if DEBUG
go.name = string.Format(debugName, "_", i.ToString());
#endif
Mesh mesh = Globals.MemPools.meshPool.Pop();
Assert.IsTrue(mesh.vertices.Length <= 0);
buffer.SetupMesh(mesh, false);
mesh.bounds = bounds;
MeshFilter filter = go.GetComponent <MeshFilter>();
filter.sharedMesh = null;
filter.sharedMesh = mesh;
Transform t = filter.transform;
t.position = position;
t.rotation = rotation;
Renderer renderer = go.GetComponent <Renderer>();
renderer.enabled = true;
renderer.sharedMaterial = material;
objects.Add(go);
}
buffer.Clear();
}
}
}
public void Reset()
{
// Buffers need to be reallocated. Otherwise, more and more memory would be consumed by them. This is
// because internal arrays grow in capacity and we can't simply release their memory by calling Clear().
// Objects and renderers are fine, because there's usually only 1 of them. In some extreme cases they
// may grow more but only by 1 or 2 (and only if Env.ChunkPow>5).
for (int i = 0; i < Buffers.Length; i++)
{
List <RenderGeometryBuffer> geometryBuffer = Buffers[i];
for (int j = 0; j < geometryBuffer.Count; j++)
{
if (geometryBuffer[j].WasUsed)
{
geometryBuffer[j] = new RenderGeometryBuffer();
}
}
}
ReleaseOldData();
enabled = false;
}
/// <summary>
/// Addds one face to our render buffer
/// </summary>
/// <param name="materialID">ID of material to use when building the mesh</param>
/// <param name="tris">Triangles to be processed</param>
/// <param name="verts">Vertices to be processed</param>
/// <param name="colors">Colors to be processed</param>
/// <param name="uvs">UVs to be processed</param>
/// <param name="texture">Texture coordinates</param>
/// <param name="offset">Offset to apply to vertices</param>
public void AddMeshData(int materialID, int[] tris, Vector3[] verts, Color32[] colors, Vector4[] uvs, ref Rect texture, Vector3 offset)
{
// Each face consists of 6 triangles and 4 faces
Assert.IsTrue(((verts.Length * 3) >> 1) == tris.Length);
Assert.IsTrue((verts.Length & 3) == 0);
List <RenderGeometryBuffer> holder = Buffers[materialID];
RenderGeometryBuffer buffer = holder[holder.Count - 1];
int startOffset = 0;
int leftToProcess = verts.Length;
while (leftToProcess > 0)
{
int left = System.Math.Min(leftToProcess, 65000);
int leftInBuffer = 65000 - buffer.vertices.Count;
if (leftInBuffer <= 0)
{
buffer = new RenderGeometryBuffer
{
uV1s = new List <Vector4>(),
colors = new List <Color32>()
};
buffer.triangles.Capacity = left;
buffer.vertices.Capacity = left;
buffer.uV1s.Capacity = left;
buffer.colors.Capacity = left;
holder.Add(buffer);
}
else
{
left = System.Math.Min(left, leftInBuffer);
}
int max = startOffset + left;
int maxTris = (max * 3) >> 1;
int offsetTri = (startOffset * 3) >> 1;
// Add vertices
int initialVertexCount = buffer.vertices.Count;
for (int i = startOffset; i < max; i++)
{
buffer.vertices.Add(verts[i] + offset);
}
// Add UVs
PrepareUVs(ref buffer.uV1s, buffer.vertices, initialVertexCount);
for (int i = startOffset; i < max; i++)
{
// Adjust UV coordinates according to provided texture atlas
buffer.uV1s.Add(new Vector4((uvs[i].x * texture.width) + texture.x, (uvs[i].y * texture.height) + texture.y));
}
// Add colors
PrepareColors(ref buffer.colors, buffer.vertices, initialVertexCount);
for (int i = startOffset; i < max; i++)
{
buffer.colors.Add(colors[i]);
}
// Add triangles
for (int i = offsetTri; i < maxTris; i++)
{
buffer.triangles.Add(tris[i] + initialVertexCount);
}
leftToProcess -= left;
startOffset += left;
}
}