public static Mesh CombineMeshes(List <SVGLayer> layers, out Shader[] shaders, SVGUseGradients useGradients = SVGUseGradients.Always, SVGAssetFormat format = SVGAssetFormat.Transparent, bool compressDepth = true)
{
#if DEBUG_IMPORT
long timeStart = System.DateTime.Now.Ticks;
#endif
shaders = new Shader[0];
//if(SVGAssetImport.sliceMesh) Create9Slice();
SVGFill fill;
bool useOpaqueShader = false;
bool useTransparentShader = false;
bool hasGradients = (useGradients == SVGUseGradients.Always);
int totalLayers = layers.Count, totalTriangles = 0, opaqueTriangles = 0, transparentTriangles = 0;
FILL_BLEND lastBlendType = FILL_BLEND.ALPHA_BLENDED;
// Z Sort meshes
if (format == SVGAssetFormat.Opaque)
{
SVGLayer layer;
if (compressDepth)
{
SVGBounds quadTreeBounds = SVGBounds.InfiniteInverse;
for (int i = 0; i < totalLayers; i++)
{
layer = layers[i];
if (layer.bounds.size.sqrMagnitude == 0f)
{
continue;
}
quadTreeBounds.Encapsulate(layer.bounds.center, layer.bounds.size);
}
quadTreeBounds.size *= 1.2f;
if (!quadTreeBounds.isInfiniteInverse)
{
SVGDepthTree depthTree = new SVGDepthTree(quadTreeBounds);
for (int i = 0; i < totalLayers; i++)
{
layer = layers[i];
int[] nodes = depthTree.TestDepthAdd(i, new SVGBounds(layer.bounds.center, layer.bounds.size));
int nodesLength = 0;
if (nodes == null || nodes.Length == 0)
{
layer.depth = 0;
}
else
{
nodesLength = nodes.Length;
int highestDepth = 0;
int highestLayer = -1;
for (int j = 0; j < nodesLength; j++)
{
if (layers[nodes[j]].depth > highestDepth)
{
highestDepth = layers[nodes[j]].depth;
highestLayer = nodes[j];
}
}
if (layers[i].fill.blend == FILL_BLEND.OPAQUE)
{
layer.depth = highestDepth + 1;
}
else
{
if (highestDepth != -1 && layers[highestLayer].fill.blend == FILL_BLEND.OPAQUE)
{
layer.depth = highestDepth + 1;
}
else
{
layer.depth = highestDepth;
}
}
}
layers[i] = layer;
}
}
}
else
{
int highestDepth = 0;
for (int i = 0; i < totalLayers; i++)
{
layer = layers[i];
fill = layer.fill;
if (fill.blend == FILL_BLEND.OPAQUE || lastBlendType == FILL_BLEND.OPAQUE)
{
layer.depth = ++highestDepth;
}
else
{
layer.depth = highestDepth;
}
lastBlendType = fill.blend;
layers[i] = layer;
}
}
}
int totalVertices = 0, vertexCount, vertexStart = 0, currentVertex;
for (int i = 0; i < totalLayers; i++)
{
fill = layers[i].fill;
if (fill.blend == FILL_BLEND.OPAQUE)
{
opaqueTriangles += layers[i].triangles.Length;
useOpaqueShader = true;
}
else if (fill.blend == FILL_BLEND.ALPHA_BLENDED)
{
transparentTriangles += layers[i].triangles.Length;
useTransparentShader = true;
}
if (fill.fillType == FILL_TYPE.GRADIENT)
{
hasGradients = true;
}
vertexCount = layers[i].vertices.Length;
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;
List <Shader> outputShaders = new List <Shader>();
if (hasGradients)
{
uv = new Vector2[totalVertices];
uv2 = new Vector2[totalVertices];
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);
}
}
for (int i = 0; i < totalLayers; i++)
{
vertexCount = layers[i].vertices.Length;
// Debug.Log("Layer: "+i+", depth: "+layers[i].depth);
for (int j = 0; j < vertexCount; j++)
{
currentVertex = vertexStart + j;
vertices[currentVertex] = layers[i].vertices[j];
vertices[currentVertex].z = layers[i].depth * -SVGAssetImport.minDepthOffset;
colors32[currentVertex] = layers[i].fill.finalColor;
}
if (hasGradients && layers[i].fill.fillType == FILL_TYPE.GRADIENT && layers[i].fill.gradientColors != null)
{
SVGMatrix svgFillTransform = layers[i].fill.transform;
Rect viewport = layers[i].fill.viewport;
Vector2 uvPoint = Vector2.zero;
Vector2 uv2Value = new Vector2(layers[i].fill.gradientColors.index, (int)layers[i].fill.gradientType);
for (int j = 0; j < vertexCount; j++)
{
currentVertex = vertexStart + j;
uvPoint.x = vertices [currentVertex].x;
uvPoint.y = vertices [currentVertex].y;
uvPoint = svgFillTransform.Transform(uvPoint);
uv[currentVertex].x = (uvPoint.x - viewport.x) / viewport.width;
uv[currentVertex].y = (uvPoint.y - viewport.y) / viewport.height;
uv2[currentVertex] = uv2Value;
}
}
vertexStart += vertexCount;
}
/*
* for(int i = 0; i < totalVertices; i++)
* {
* vertices[i] *= SVGAssetImport.meshScale;
* }
*/
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 < totalLayers; i++)
{
triangleCount = layers[i].triangles.Length;
if (layers[i].fill.blend == FILL_BLEND.OPAQUE)
{
for (int j = 0; j < triangleCount; j++)
{
triangles[0][lastOpauqeTriangleIndex++] = lastVertexIndex + layers[i].triangles[j];
}
}
else
{
for (int j = 0; j < triangleCount; j++)
{
triangles[1][lastTransparentTriangleIndex++] = lastVertexIndex + layers[i].triangles[j];
}
}
lastVertexIndex += layers[i].vertices.Length;
}
}
else
{
triangles = new int[1][] { new int[totalTriangles] };
int lastVertexIndex = 0;
int triangleCount;
int lastTriangleIndex = 0;
for (int i = 0; i < totalLayers; i++)
{
triangleCount = layers[i].triangles.Length;
for (int j = 0; j < triangleCount; j++)
{
triangles[0][lastTriangleIndex++] = lastVertexIndex + layers[i].triangles[j];
}
lastVertexIndex += layers[i].vertices.Length;
}
}
if (outputShaders.Count != 0)
{
shaders = outputShaders.ToArray();
}
/* * * * * * * * * * * * * * * * * * * * * * * *
* *
* Mesh Creation *
* *
* * * * * * * * * * * * * * * * * * * * * * * */
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);
}
}
#if DEBUG_IMPORT
System.TimeSpan timeSpan = new System.TimeSpan(System.DateTime.Now.Ticks - timeStart);
Debug.Log("Mesh combination took: " + timeSpan.TotalSeconds + "s");
#endif
return(output);
}
public static bool CombineMeshes(SVGLayer[] layers, Mesh mesh, out Shader[] shaders, SVGUseGradients useGradients = SVGUseGradients.Always, SVGAssetFormat format = SVGAssetFormat.Transparent, bool compressDepth = true, bool antialiased = false)
{
#if DEBUG_IMPORT
long timeStart = System.DateTime.Now.Ticks;
#endif
shaders = new Shader[0];
//if(SVGAssetImport.sliceMesh) Create9Slice();
SVGFill fill;
bool useOpaqueShader = false;
bool useTransparentShader = false;
bool hasGradients = (useGradients == SVGUseGradients.Always);
if (layers == null)
{
return(false);
}
int totalLayers = layers.Length, totalTriangles = 0, opaqueTriangles = 0, transparentTriangles = 0;
FILL_BLEND lastBlendType = FILL_BLEND.ALPHA_BLENDED;
// Z Sort meshes
if (format == SVGAssetFormat.Opaque)
{
SVGShape shape;
if (compressDepth)
{
SVGBounds quadTreeBounds = SVGBounds.InfiniteInverse;
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
for (int j = 0; j < totalShapes; j++)
{
shape = layers[i].shapes[j];
if (shape.bounds.size.sqrMagnitude == 0f)
{
continue;
}
quadTreeBounds.Encapsulate(shape.bounds.center, shape.bounds.size);
}
}
quadTreeBounds.size *= 1.2f;
if (!quadTreeBounds.isInfiniteInverse)
{
SVGDepthTree depthTree = new SVGDepthTree(quadTreeBounds);
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
for (int j = 0; j < totalShapes; j++)
{
shape = layers[i].shapes[j];
int[] nodes = depthTree.TestDepthAdd(j, new SVGBounds(shape.bounds.center, shape.bounds.size));
int nodesLength = 0;
if (nodes == null || nodes.Length == 0)
{
shape.depth = 0;
}
else
{
nodesLength = nodes.Length;
int highestDepth = 0;
int highestLayer = -1;
for (int k = 0; k < nodesLength; k++)
{
if ((int)layers[i].shapes[nodes[k]].depth > highestDepth)
{
highestDepth = (int)layers[i].shapes[nodes[k]].depth;
highestLayer = nodes[k];
}
}
if (layers[i].shapes[j].fill.blend == FILL_BLEND.OPAQUE)
{
shape.depth = highestDepth + 1;
}
else
{
if (highestLayer != -1 && layers[i].shapes[highestLayer].fill.blend == FILL_BLEND.OPAQUE)
{
shape.depth = highestDepth + 1;
}
else
{
shape.depth = highestDepth;
}
}
}
layers[i].shapes[j] = shape;
}
}
}
}
else
{
int highestDepth = 0;
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
for (int j = 0; j < totalShapes; j++)
{
shape = layers[i].shapes[j];
fill = shape.fill;
if (fill.blend == FILL_BLEND.OPAQUE || lastBlendType == FILL_BLEND.OPAQUE)
{
shape.depth = ++highestDepth;
}
else
{
shape.depth = highestDepth;
}
lastBlendType = fill.blend;
layers[i].shapes[j] = shape;
}
}
}
}
int totalVertices = 0, vertexCount, vertexStart = 0, currentVertex;
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
for (int j = 0; j < totalShapes; j++)
{
fill = layers[i].shapes[j].fill;
if (fill.blend == FILL_BLEND.OPAQUE)
{
opaqueTriangles += layers[i].shapes[j].triangles.Length;
useOpaqueShader = true;
}
else if (fill.blend == FILL_BLEND.ALPHA_BLENDED)
{
transparentTriangles += layers[i].shapes[j].triangles.Length;
useTransparentShader = true;
}
if (fill.fillType == FILL_TYPE.GRADIENT)
{
hasGradients = true;
}
vertexCount = layers[i].shapes[j].vertices.Length;
totalVertices += vertexCount;
}
}
totalTriangles = opaqueTriangles + transparentTriangles;
if (useGradients == SVGUseGradients.Never)
{
hasGradients = false;
}
if (format != SVGAssetFormat.Opaque)
{
useOpaqueShader = false;
useTransparentShader = true;
}
opaqueTriangles = totalVertices = 65000;
Vector3[] vertices = new Vector3[totalVertices];
Color32[] colors32 = new Color32[totalVertices];
Vector2[] uv = null;
Vector2[] uv2 = null;
Vector3[] normals = null;
int[][] triangles = null;
List <Shader> outputShaders = new List <Shader>();
if (antialiased)
{
normals = new Vector3[totalVertices];
}
if (hasGradients)
{
uv = new Vector2[totalVertices];
uv2 = new Vector2[totalVertices];
if (useOpaqueShader)
{
outputShaders.Add(SVGShader.GradientColorOpaque);
}
if (useTransparentShader)
{
if (antialiased)
{
outputShaders.Add(SVGShader.GradientColorAlphaBlendedAntialiased);
}
else
{
outputShaders.Add(SVGShader.GradientColorAlphaBlended);
}
}
}
else
{
if (useOpaqueShader)
{
outputShaders.Add(SVGShader.SolidColorOpaque);
}
if (useTransparentShader)
{
if (antialiased)
{
outputShaders.Add(SVGShader.SolidColorAlphaBlendedAntialiased);
}
else
{
outputShaders.Add(SVGShader.SolidColorAlphaBlended);
}
}
}
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
for (int j = 0; j < totalShapes; j++)
{
vertexCount = layers[i].shapes[j].vertices.Length;
if (vertexStart + vertexCount >= 65000)
{
break;
}
if (layers[i].shapes[j].colors != null && layers[i].shapes[j].colors.Length == vertexCount)
{
Color32 finalColor = layers[i].shapes[j].fill.finalColor;
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
vertices[currentVertex] = layers[i].shapes[j].vertices[k];
if (useOpaqueShader)
{
vertices[currentVertex].z = layers[i].shapes[j].depth * -SVGAssetImport.minDepthOffset;
}
else
{
vertices[currentVertex].z = layers[i].shapes[j].depth;
}
colors32[currentVertex].r = (byte)(finalColor.r * layers[i].shapes[j].colors[k].r / 255);
colors32[currentVertex].g = (byte)(finalColor.g * layers[i].shapes[j].colors[k].g / 255);
colors32[currentVertex].b = (byte)(finalColor.b * layers[i].shapes[j].colors[k].b / 255);
colors32[currentVertex].a = (byte)(finalColor.a * layers[i].shapes[j].colors[k].a / 255);
}
}
else
{
Color32 finalColor = layers[i].shapes[j].fill.finalColor;
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
vertices[currentVertex] = layers[i].shapes[j].vertices[k];
if (useOpaqueShader)
{
vertices[currentVertex].z = layers[i].shapes[j].depth * -SVGAssetImport.minDepthOffset;
}
else
{
vertices[currentVertex].z = layers[i].shapes[j].depth;
}
colors32[currentVertex] = finalColor;
}
}
if (hasGradients)
{
if (layers[i].shapes[j].fill.fillType == FILL_TYPE.GRADIENT && layers[i].shapes[j].fill.gradientColors != null)
{
SVGMatrix svgFillTransform = layers[i].shapes[j].fill.transform;
Rect viewport = layers[i].shapes[j].fill.viewport;
Vector2 uvPoint = Vector2.zero;
Vector2 uv2Value = new Vector2(layers[i].shapes[j].fill.gradientColors.index, (int)layers[i].shapes[j].fill.gradientType);
if (layers[i].shapes[j].angles != null && layers[i].shapes[j].angles.Length == vertexCount)
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
uvPoint.x = vertices [currentVertex].x;
uvPoint.y = vertices [currentVertex].y;
uvPoint = svgFillTransform.Transform(uvPoint);
uv[currentVertex].x = (uvPoint.x - viewport.x) / viewport.width;
uv[currentVertex].y = (uvPoint.y - viewport.y) / viewport.height;
uv2[currentVertex] = uv2Value;
normals[currentVertex].x = layers[i].shapes[j].angles[k].x;
normals[currentVertex].y = layers[i].shapes[j].angles[k].y;
}
}
else
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
uvPoint.x = vertices [currentVertex].x;
uvPoint.y = vertices [currentVertex].y;
uvPoint = svgFillTransform.Transform(uvPoint);
uv[currentVertex].x = (uvPoint.x - viewport.x) / viewport.width;
uv[currentVertex].y = (uvPoint.y - viewport.y) / viewport.height;
uv2[currentVertex] = uv2Value;
}
}
}
else if (layers[i].shapes[j].fill.fillType == FILL_TYPE.TEXTURE)
{
SVGMatrix svgFillTransform = layers[i].shapes[j].fill.transform;
Vector2 uvPoint = Vector2.zero;
if (layers[i].shapes[j].angles != null && layers[i].shapes[j].angles.Length == vertexCount)
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
uvPoint.x = vertices [currentVertex].x;
uvPoint.y = vertices [currentVertex].y;
uv[currentVertex] = svgFillTransform.Transform(uvPoint);
normals[currentVertex].x = layers[i].shapes[j].angles[k].x;
normals[currentVertex].y = layers[i].shapes[j].angles[k].y;
}
}
else
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
uvPoint.x = vertices [currentVertex].x;
uvPoint.y = vertices [currentVertex].y;
uv[currentVertex] = svgFillTransform.Transform(uvPoint);
}
}
}
else
{
if (layers[i].shapes[j].angles != null && layers[i].shapes[j].angles.Length == vertexCount)
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
normals[currentVertex].x = layers[i].shapes[j].angles[k].x;
normals[currentVertex].y = layers[i].shapes[j].angles[k].y;
}
}
}
}
else
{
if (antialiased)
{
if (layers[i].shapes[j].angles != null && layers[i].shapes[j].angles.Length == vertexCount)
{
for (int k = 0; k < vertexCount; k++)
{
currentVertex = vertexStart + k;
normals[currentVertex] = layers[i].shapes[j].angles[k];
}
}
}
}
vertexStart += vertexCount;
}
}
// Submesh Order
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 < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
if (lastTransparentTriangleIndex + totalShapes > 56000)
{
break;
}
for (int j = 0; j < totalShapes; j++)
{
triangleCount = layers[i].shapes[j].triangles.Length;
if (layers[i].shapes[j].fill.blend == FILL_BLEND.OPAQUE)
{
for (int k = 0; k < triangleCount; k++)
{
triangles[0][lastOpauqeTriangleIndex++] = lastVertexIndex + layers[i].shapes[j].triangles[k];
}
}
else
{
for (int k = 0; k < triangleCount; k++)
{
triangles[1][lastTransparentTriangleIndex++] = lastVertexIndex + layers[i].shapes[j].triangles[k];
}
}
lastVertexIndex += layers[i].shapes[j].vertices.Length;
}
}
}
else
{
triangles = new int[1][] { new int[totalTriangles] };
int lastVertexIndex = 0;
int triangleCount;
int lastTriangleIndex = 0;
for (int i = 0; i < totalLayers; i++)
{
int totalShapes = layers[i].shapes.Length;
if (lastTriangleIndex + totalShapes > 56000)
{
break;
}
for (int j = 0; j < totalShapes; j++)
{
triangleCount = layers[i].shapes[j].triangles.Length;
for (int k = 0; k < triangleCount; k++)
{
triangles[0][lastTriangleIndex++] = lastVertexIndex + layers[i].shapes[j].triangles[k];
}
lastVertexIndex += layers[i].shapes[j].vertices.Length;
}
}
}
if (outputShaders.Count != 0)
{
shaders = outputShaders.ToArray();
}
/* * * * * * * * * * * * * * * * * * * * * * * *
* *
* Mesh Creation *
* *
* * * * * * * * * * * * * * * * * * * * * * * */
mesh.Clear();
mesh.MarkDynamic();
if (vertices != null)
{
if (vertices.Length > 65000)
{
Debug.LogError("A mesh may not have more than 65000 vertices. Please try to reduce quality or split SVG file.");
return(false);
}
}
else
{
return(false);
}
mesh.vertices = vertices;
mesh.colors32 = colors32;
if (uv != null)
{
mesh.uv = uv;
}
if (uv2 != null)
{
mesh.uv2 = uv2;
}
if (normals != null)
{
mesh.normals = normals;
}
if (triangles.Length == 1)
{
mesh.triangles = triangles[0];
}
else
{
mesh.subMeshCount = triangles.Length;
for (int i = 0; i < triangles.Length; i++)
{
mesh.SetTriangles(triangles[i], i);
}
}
#if DEBUG_IMPORT
System.TimeSpan timeSpan = new System.TimeSpan(System.DateTime.Now.Ticks - timeStart);
Debug.Log("Mesh combination took: " + timeSpan.TotalSeconds + "s");
#endif
return(true);
}