internal static void MakeText(NativeArray <TextVertex> uiVertices, Vector2 offset, AllocMeshData meshAlloc)
{
int quadCount = uiVertices.Length / 4;
if (quadCount > k_MaxTextQuadCount)
{
Debug.LogError("MakeTextMeshHandle: text is too long and generates too many vertices");
quadCount = k_MaxTextQuadCount;
}
var mesh = meshAlloc.Allocate((uint)(quadCount * 4), (uint)(quadCount * 6));
for (int q = 0, v = 0; q < quadCount; ++q, v += 4)
{
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 0], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 1], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 2], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 3], offset));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 1));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 3));
}
}
internal static void MakeText(TextCore.MeshInfo meshInfo, Vector2 offset, AllocMeshData meshAlloc)
{
int quadCount = meshInfo.vertexCount / 4;
if (quadCount > k_MaxTextQuadCount)
{
Debug.LogError("MakeText: text is too long and generates too many vertices");
quadCount = k_MaxTextQuadCount;
}
var mesh = meshAlloc.Allocate((uint)(quadCount * 4), (uint)(quadCount * 6));
for (int q = 0, v = 0, i = 0; q < quadCount; ++q, v += 4, i += 6)
{
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 0, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 1, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 2, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 3, offset));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 1));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 3));
}
}
private static void MakeSlicedQuad(ref MeshGenerationContextUtils.RectangleParams rectParams, float posZ, AllocMeshData meshAlloc)
{
var mesh = meshAlloc.Allocate(16, 9 * 6);
float pixelsPerPoint = 1;
var texture2D = rectParams.texture as Texture2D;
if (texture2D != null)
{
pixelsPerPoint = texture2D.pixelsPerPoint;
}
float uConversion = pixelsPerPoint / rectParams.texture.width;
float vConversion = pixelsPerPoint / rectParams.texture.height;
k_TexCoordSlicesX[0] = rectParams.uv.min.x;
k_TexCoordSlicesX[1] = rectParams.uv.min.x + rectParams.leftSlice * uConversion;
k_TexCoordSlicesX[2] = rectParams.uv.max.x - rectParams.rightSlice * uConversion;
k_TexCoordSlicesX[3] = rectParams.uv.max.x;
k_TexCoordSlicesY[0] = rectParams.uv.max.y;
k_TexCoordSlicesY[1] = rectParams.uv.max.y - rectParams.bottomSlice * vConversion;
k_TexCoordSlicesY[2] = rectParams.uv.min.y + rectParams.topSlice * vConversion;
k_TexCoordSlicesY[3] = rectParams.uv.min.y;
var uvRegion = mesh.uvRegion;
for (int i = 0; i < 4; i++)
{
k_TexCoordSlicesX[i] = k_TexCoordSlicesX[i] * uvRegion.width + uvRegion.xMin;
k_TexCoordSlicesY[i] = (rectParams.uv.min.y + rectParams.uv.max.y - k_TexCoordSlicesY[i]) * uvRegion.height + uvRegion.yMin;
}
k_PositionSlicesX[0] = rectParams.rect.x;
k_PositionSlicesX[1] = rectParams.rect.x + rectParams.leftSlice;
k_PositionSlicesX[2] = rectParams.rect.xMax - rectParams.rightSlice;
k_PositionSlicesX[3] = rectParams.rect.xMax;
k_PositionSlicesY[0] = rectParams.rect.yMax;
k_PositionSlicesY[1] = rectParams.rect.yMax - rectParams.bottomSlice;
k_PositionSlicesY[2] = rectParams.rect.y + rectParams.topSlice;
k_PositionSlicesY[3] = rectParams.rect.y;
float flags = (float)mesh.m_Flags;
for (int i = 0; i < 16; ++i)
{
int x = i % 4;
int y = i / 4;
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(k_PositionSlicesX[x], k_PositionSlicesY[y], posZ),
uv = new Vector2(k_TexCoordSlicesX[x], k_TexCoordSlicesY[y]),
tint = rectParams.color,
flags = flags
});
}
mesh.SetAllIndices(slicedQuadIndices);
}
private static void MakeQuad(Rect rcPosition, Rect rcTexCoord, Color color, float posZ, AllocMeshData meshAlloc)
{
var mesh = meshAlloc.Allocate(4, 6);
float x0 = rcPosition.x;
float x3 = rcPosition.xMax;
float y0 = rcPosition.yMax;
float y3 = rcPosition.y;
var uvRegion = mesh.uvRegion;
float u0 = rcTexCoord.x * uvRegion.width + uvRegion.xMin;
float u3 = rcTexCoord.xMax * uvRegion.width + uvRegion.xMin;
float v0 = rcTexCoord.y * uvRegion.height + uvRegion.yMin;
float v3 = rcTexCoord.yMax * uvRegion.height + uvRegion.yMin;
float flags = (float)mesh.m_Flags;
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(x0, y0, posZ),
tint = color,
uv = new Vector2(u0, v0),
flags = flags
});
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(x3, y0, posZ),
tint = color,
uv = new Vector2(u3, v0),
flags = flags
});
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(x0, y3, posZ),
tint = color,
uv = new Vector2(u0, v3),
flags = flags
});
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(x3, y3, posZ),
tint = color,
uv = new Vector2(u3, v3),
flags = flags
});
mesh.SetNextIndex(0);
mesh.SetNextIndex(1);
mesh.SetNextIndex(2);
mesh.SetNextIndex(1);
mesh.SetNextIndex(3);
mesh.SetNextIndex(2);
}
internal static void MakeText(NativeArray <TextVertex> uiVertices, Vector2 offset, AllocMeshData meshAlloc)
{
int vertexCount = LimitTextVertices(uiVertices.Length);
int quadCount = vertexCount / 4;
var mesh = meshAlloc.Allocate((uint)(quadCount * 4), (uint)(quadCount * 6));
for (int q = 0, v = 0; q < quadCount; ++q, v += 4)
{
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 0], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 1], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 2], offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(uiVertices[v + 3], offset));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 1));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 3));
mesh.SetNextIndex((UInt16)(v + 0));
}
}
internal static void MakeText(TextCore.MeshInfo meshInfo, Vector2 offset, AllocMeshData meshAlloc)
{
int vertexCount = LimitTextVertices(meshInfo.vertexCount);
int quadCount = vertexCount / 4;
var mesh = meshAlloc.Allocate((uint)(quadCount * 4), (uint)(quadCount * 6));
for (int q = 0, v = 0, i = 0; q < quadCount; ++q, v += 4, i += 6)
{
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 0, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 1, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 2, offset));
mesh.SetNextVertex(ConvertTextVertexToUIRVertex(meshInfo, v + 3, offset));
mesh.SetNextIndex((UInt16)(v + 0));
mesh.SetNextIndex((UInt16)(v + 1));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 2));
mesh.SetNextIndex((UInt16)(v + 3));
mesh.SetNextIndex((UInt16)(v + 0));
}
}
internal static void MakeSlicedQuad(ref MeshGenerationContextUtils.RectangleParams rectParams, float posZ, AllocMeshData meshAlloc)
{
var mesh = meshAlloc.Allocate(16, 9 * 6);
float pixelsPerPoint = 1;
var texture2D = rectParams.texture as Texture2D;
if (texture2D != null)
{
pixelsPerPoint = texture2D.pixelsPerPoint;
}
float texWidth = rectParams.texture.width;
float texHeight = rectParams.texture.height;
float uConversion = pixelsPerPoint / texWidth;
float vConversion = pixelsPerPoint / texHeight;
float leftSlice = Mathf.Max(0.0f, rectParams.leftSlice);
float rightSlice = Mathf.Max(0.0f, rectParams.rightSlice);
float bottomSlice = Mathf.Max(0.0f, rectParams.bottomSlice);
float topSlice = Mathf.Max(0.0f, rectParams.topSlice);
// Clamp UVs in the [0,1] range
float uvLeftSlice = Mathf.Clamp(leftSlice * uConversion, 0.0f, 1.0f);
float uvRightSlice = Mathf.Clamp(rightSlice * uConversion, 0.0f, 1.0f);
float uvBottomSlice = Mathf.Clamp(bottomSlice * vConversion, 0.0f, 1.0f);
float uvTopslice = Mathf.Clamp(topSlice * vConversion, 0.0f, 1.0f);
k_TexCoordSlicesX[0] = rectParams.uv.min.x;
k_TexCoordSlicesX[1] = rectParams.uv.min.x + uvLeftSlice;
k_TexCoordSlicesX[2] = rectParams.uv.max.x - uvRightSlice;
k_TexCoordSlicesX[3] = rectParams.uv.max.x;
k_TexCoordSlicesY[0] = rectParams.uv.max.y;
k_TexCoordSlicesY[1] = rectParams.uv.max.y - uvBottomSlice;
k_TexCoordSlicesY[2] = rectParams.uv.min.y + uvTopslice;
k_TexCoordSlicesY[3] = rectParams.uv.min.y;
var uvRegion = mesh.uvRegion;
for (int i = 0; i < 4; i++)
{
k_TexCoordSlicesX[i] = k_TexCoordSlicesX[i] * uvRegion.width + uvRegion.xMin;
k_TexCoordSlicesY[i] = (rectParams.uv.min.y + rectParams.uv.max.y - k_TexCoordSlicesY[i]) * uvRegion.height + uvRegion.yMin;
}
// Prevent overlapping slices
float sliceWidth = (leftSlice + rightSlice);
if (sliceWidth > rectParams.rect.width)
{
float rescale = rectParams.rect.width / sliceWidth;
leftSlice *= rescale;
rightSlice *= rescale;
}
float sliceHeight = (bottomSlice + topSlice);
if (sliceHeight > rectParams.rect.height)
{
float rescale = rectParams.rect.height / sliceHeight;
bottomSlice *= rescale;
topSlice *= rescale;
}
k_PositionSlicesX[0] = rectParams.rect.x;
k_PositionSlicesX[1] = rectParams.rect.x + leftSlice;
k_PositionSlicesX[2] = rectParams.rect.xMax - rightSlice;
k_PositionSlicesX[3] = rectParams.rect.xMax;
k_PositionSlicesY[0] = rectParams.rect.yMax;
k_PositionSlicesY[1] = rectParams.rect.yMax - bottomSlice;
k_PositionSlicesY[2] = rectParams.rect.y + topSlice;
k_PositionSlicesY[3] = rectParams.rect.y;
for (int i = 0; i < 16; ++i)
{
int x = i % 4;
int y = i / 4;
mesh.SetNextVertex(new Vertex()
{
position = new Vector3(k_PositionSlicesX[x], k_PositionSlicesY[y], posZ),
uv = new Vector2(k_TexCoordSlicesX[x], k_TexCoordSlicesY[y]),
tint = rectParams.color
});
}
mesh.SetAllIndices(slicedQuadIndices);
}