public static void MeshSplit(SVGMesh mesh, Vector2 origin, Vector2 direction)
{
Mesh inputMesh = new Mesh();
inputMesh.vertices = mesh.vertices;
inputMesh.triangles = mesh.triangles;
inputMesh.colors32 = mesh.colors;
inputMesh.uv = (Vector2[])mesh.uvs;
inputMesh.uv2 = (Vector2[])mesh.uvs2;
MeshSplit(inputMesh, origin, direction);
SVGMeshUtils.AutoWeldVertices(inputMesh, 0f);
mesh.vertices = inputMesh.vertices;
mesh.triangles = inputMesh.triangles;
mesh.colors = inputMesh.colors32;
mesh.uvs = inputMesh.uv;
mesh.uvs2 = inputMesh.uv2;
}
public static void MeshSplit(SVGMesh mesh, Vector2 origin, Vector2 direction)
{
Mesh inputMesh = new Mesh();
inputMesh.vertices = mesh.vertices;
inputMesh.triangles = mesh.triangles;
inputMesh.colors32 = mesh.colors;
inputMesh.uv = (Vector2[])mesh.uvs;
inputMesh.uv2 = (Vector2[])mesh.uvs2;
MeshSplit(inputMesh, origin, direction);
SVGMeshUtils.AutoWeldVertices(inputMesh, 0f);
mesh.vertices = inputMesh.vertices;
mesh.triangles = inputMesh.triangles;
mesh.colors = inputMesh.colors32;
mesh.uvs = inputMesh.uv;
mesh.uvs2 = inputMesh.uv2;
}
public static Mesh CombineMeshes(List <SVGMesh> meshes, out SVGLayer[] layers, out Shader[] shaders, SVGUseGradients useGradients = SVGUseGradients.Always, SVGAssetFormat format = SVGAssetFormat.Transparent, bool compressDepth = true)
{
layers = new SVGLayer[0];
shaders = new Shader[0];
//if(SVGAssetImport.sliceMesh) Create9Slice();
SVGFill fill;
bool useOpaqueShader = false;
bool useTransparentShader = false;
bool hasGradients = (useGradients == SVGUseGradients.Always);
int totalMeshes = meshes.Count, totalTriangles = 0, opaqueTriangles = 0, transparentTriangles = 0;
// Z Sort meshes
if (format == SVGAssetFormat.Opaque)
{
if (compressDepth)
{
SVGBounds meshBounds = SVGBounds.InfiniteInverse;
for (int i = 0; i < totalMeshes; i++)
{
if (meshes [i] == null)
{
continue;
}
meshBounds.Encapsulate(meshes [i].bounds);
}
if (!meshBounds.isInfiniteInverse)
{
SVGGraphics.depthTree.Clear();
SVGGraphics.depthTree = new SVGDepthTree(meshBounds);
for (int i = 0; i < totalMeshes; i++)
{
fill = meshes [i]._fill;
SVGMesh[] nodes = SVGGraphics.depthTree.TestDepthAdd(meshes [i], new SVGBounds(meshes [i]._bounds));
int nodesLength = 0;
if (nodes == null || nodes.Length == 0)
{
meshes [i]._depth = 0;
}
else
{
nodesLength = nodes.Length;
int highestDepth = 0;
SVGMesh highestMesh = null;
for (int j = 0; j < nodesLength; j++)
{
if (nodes[j].depth > highestDepth)
{
highestDepth = nodes[j].depth;
highestMesh = nodes[j];
}
}
if (fill.blend == FILL_BLEND.OPAQUE)
{
meshes [i]._depth = highestDepth + 1;
}
else
{
if (highestMesh != null && highestMesh.fill.blend == FILL_BLEND.OPAQUE)
{
meshes [i]._depth = highestDepth + 1;
}
else
{
meshes [i]._depth = highestDepth;
}
}
}
meshes [i].UpdateDepth();
}
}
}
else
{
int highestDepth = 0;
for (int i = 0; i < totalMeshes; i++)
{
fill = meshes [i]._fill;
if (fill.blend == FILL_BLEND.OPAQUE || lastBlendType == FILL_BLEND.OPAQUE)
{
meshes[i]._depth = ++highestDepth;
}
else
{
meshes[i]._depth = highestDepth;
}
lastBlendType = fill.blend;
meshes[i].UpdateDepth();
}
}
}
layers = new SVGLayer[totalMeshes];
int totalVertices = 0, vertexCount, vertexStart, currentVertex;
for (int i = 0; i < totalMeshes; i++)
{
fill = meshes[i]._fill;
if (fill.blend == FILL_BLEND.OPAQUE)
{
opaqueTriangles += meshes[i]._triangles.Length;
useOpaqueShader = true;
}
else if (fill.blend == FILL_BLEND.ALPHA_BLENDED)
{
transparentTriangles += meshes[i]._triangles.Length;
useTransparentShader = true;
}
if (fill.fillType == FILL_TYPE.GRADIENT)
{
hasGradients = true;
}
vertexCount = meshes[i]._vertices.Length;
Bounds bounds = meshes[i]._bounds;
layers[i] = new SVGLayer(meshes[i]._name, totalVertices, vertexCount, bounds.center, bounds.size);
totalVertices += vertexCount;
}
totalTriangles = opaqueTriangles + transparentTriangles;
if (useGradients == SVGUseGradients.Never)
{
hasGradients = false;
}
if (format != SVGAssetFormat.Opaque)
{
useOpaqueShader = false;
useTransparentShader = true;
}
Vector3[] vertices = new Vector3[totalVertices];
Color32[] colors32 = new Color32[totalVertices];
Vector2[] uv = null;
Vector2[] uv2 = null;
int[][] triangles = null;
for (int i = 0; i < totalMeshes; i++)
{
vertexStart = layers[i].vertexStart;
vertexCount = layers[i].vertexCount;
for (int j = 0; j < vertexCount; j++)
{
currentVertex = vertexStart + j;
vertices[currentVertex] = meshes[i]._vertices[j];
colors32[currentVertex] = meshes[i]._colors[j];
}
}
List <Shader> outputShaders = new List <Shader>();
// Debug.Log("hasGradients: "+hasGradients);
if (hasGradients)
{
uv = new Vector2[totalVertices];
uv2 = new Vector2[totalVertices];
for (int i = 0; i < totalMeshes; i++)
{
vertexStart = layers[i].vertexStart;
vertexCount = layers[i].vertexCount;
for (int j = 0; j < vertexCount; j++)
{
currentVertex = vertexStart + j;
uv[currentVertex] = meshes[i]._uvs[j];
uv2[currentVertex] = meshes[i]._uvs2[j];
}
}
if (useOpaqueShader)
{
outputShaders.Add(SVGShader.GradientColorOpaque);
}
if (useTransparentShader)
{
outputShaders.Add(SVGShader.GradientColorAlphaBlended);
}
}
else
{
if (useOpaqueShader)
{
outputShaders.Add(SVGShader.SolidColorOpaque);
}
if (useTransparentShader)
{
outputShaders.Add(SVGShader.SolidColorAlphaBlended);
}
}
if (useOpaqueShader && useTransparentShader)
{
triangles = new int[2][] { new int[opaqueTriangles], new int[transparentTriangles] };
int lastVertexIndex = 0;
int triangleCount;
int lastOpauqeTriangleIndex = 0;
int lastTransparentTriangleIndex = 0;
for (int i = 0; i < totalMeshes; i++)
{
triangleCount = meshes[i]._triangles.Length;
if (meshes[i]._fill.blend == FILL_BLEND.OPAQUE)
{
for (int j = 0; j < triangleCount; j++)
{
triangles[0][lastOpauqeTriangleIndex++] = lastVertexIndex + meshes[i]._triangles[j];
}
}
else
{
for (int j = 0; j < triangleCount; j++)
{
triangles[1][lastTransparentTriangleIndex++] = lastVertexIndex + meshes[i]._triangles[j];
}
}
lastVertexIndex += layers[i].vertexCount;
}
}
else
{
triangles = new int[1][] { new int[totalTriangles] };
int lastVertexIndex = 0;
int triangleCount;
int lastTriangleIndex = 0;
for (int i = 0; i < totalMeshes; i++)
{
triangleCount = meshes[i]._triangles.Length;
for (int j = 0; j < triangleCount; j++)
{
triangles[0][lastTriangleIndex++] = lastVertexIndex + meshes[i]._triangles[j];
}
lastVertexIndex += layers[i].vertexCount;
}
}
if (outputShaders.Count != 0)
{
shaders = outputShaders.ToArray();
}
Mesh output = new Mesh();
output.vertices = vertices;
output.colors32 = colors32;
if (hasGradients)
{
output.uv = uv;
output.uv2 = uv2;
}
if (triangles.Length == 1)
{
output.triangles = triangles[0];
}
else
{
output.subMeshCount = triangles.Length;
for (int i = 0; i < triangles.Length; i++)
{
output.SetTriangles(triangles[i], i);
}
}
return(output);
}
protected static Mesh CreateAutomaticMesh(out Material[] materials)
{
materials = new Material[0];
if (sliceMesh)
{
Create9Slice();
}
// Z Sort meshes
if (SVGMesh.format == SVGAssetFormat.Opaque)
{
int meshCount = SVGGraphics.meshes.Count;
SVGFill fill;
if (compressDepth)
{
SVGBounds meshBounds = SVGBounds.InfiniteInverse;
for (int i = 0; i < meshCount; i++)
{
if (SVGGraphics.meshes [i] == null)
{
continue;
}
meshBounds.Encapsulate(SVGGraphics.meshes [i].bounds);
}
if (!meshBounds.isInfiniteInverse)
{
SVGGraphics.depthTree.Clear();
SVGGraphics.depthTree = new SVGDepthTree(meshBounds);
}
for (int i = 0; i < meshCount; i++)
{
if (SVGGraphics.meshes [i] == null)
{
continue;
}
fill = SVGGraphics.meshes [i]._fill;
if (fill != null)
{
SVGMesh[] nodes = SVGGraphics.depthTree.TestDepthAdd(SVGGraphics.meshes [i], new SVGBounds(SVGGraphics.meshes [i]._bounds));
int nodesLength = 0;
if (nodes == null || nodes.Length == 0)
{
SVGGraphics.meshes [i]._depth = 0;
}
else
{
nodesLength = nodes.Length;
int highestDepth = 0;
SVGMesh highestMesh = null;
for (int j = 0; j < nodesLength; j++)
{
if (nodes[j].depth > highestDepth)
{
highestDepth = nodes[j].depth;
highestMesh = nodes[j];
}
}
if (fill.blend == FILL_BLEND.OPAQUE)
{
SVGGraphics.meshes [i]._depth = highestDepth + 1;
}
else
{
if (highestMesh != null && highestMesh.fill.blend == FILL_BLEND.OPAQUE)
{
SVGGraphics.meshes [i]._depth = highestDepth + 1;
}
else
{
SVGGraphics.meshes [i]._depth = highestDepth;
}
}
}
SVGGraphics.meshes [i].UpdateDepth();
}
}
}
else
{
for (int i = 0; i < meshCount; i++)
{
if (SVGGraphics.meshes [i] == null)
{
continue;
}
fill = SVGGraphics.meshes [i]._fill;
if (fill != null)
{
if (fill.blend == FILL_BLEND.OPAQUE || lastBlendType == FILL_BLEND.OPAQUE)
{
SVGGraphics.meshes [i]._depth = SVGGraphics.IncreaseDepth();
}
else
{
SVGGraphics.meshes [i]._depth = SVGGraphics.currentDepthOffset;
}
lastBlendType = fill.blend;
SVGGraphics.meshes [i].UpdateDepth();
}
}
}
}
// Combine Meshes
List <CombineInstance> combineInstancesOpaque = new List <CombineInstance>();
List <CombineInstance> combineInstancesTransparent = new List <CombineInstance>();
GetCombineInstances(combineInstancesOpaque,
combineInstancesTransparent);
int count = combineInstancesOpaque.Count + combineInstancesTransparent.Count;
if (count == 0)
{
return(null);
}
List <Material> outputMaterials = new List <Material>(count);
List <CombineInstance> combineInstances = new List <CombineInstance>();
if (combineInstancesOpaque.Count > 0)
{
outputMaterials.Add(SVGAtlas.Instance.opaqueGradient);
combineInstances.Add(GetCombinedInstance(combineInstancesOpaque));
}
if (combineInstancesTransparent.Count > 0)
{
outputMaterials.Add(SVGAtlas.Instance.transparentGradient);
combineInstances.Add(GetCombinedInstance(combineInstancesTransparent));
}
if (outputMaterials.Count != 0)
{
materials = outputMaterials.ToArray();
}
if (combineInstances.Count > 1)
{
Mesh output = new Mesh();
output.CombineMeshes(combineInstances.ToArray(), false, false);
return(output);
}
else if (combineInstances.Count == 1)
{
return(combineInstances [0].mesh);
}
else
{
return(null);
}
}