UINT32 TextSprite::genTextQuads(UINT32 page, const TextDataBase& textData, UINT32 width, UINT32 height,
TextHorzAlign horzAlign, TextVertAlign vertAlign, SpriteAnchor anchor, Vector2* vertices, Vector2* uv, UINT32* indices, UINT32 bufferSizeQuads)
{
UINT32 numLines = textData.getNumLines();
UINT32 newNumQuads = textData.getNumQuadsForPage(page);
Vector2I* alignmentOffsets = bs_stack_new<Vector2I>(numLines);
getAlignmentOffsets(textData, width, height, horzAlign, vertAlign, alignmentOffsets);
Vector2I offset = getAnchorOffset(anchor, width, height);
UINT32 quadOffset = 0;
for(UINT32 i = 0; i < numLines; i++)
{
const TextDataBase::TextLine& line = textData.getLine(i);
UINT32 writtenQuads = line.fillBuffer(page, vertices, uv, indices, quadOffset, bufferSizeQuads);
Vector2I position = offset + alignmentOffsets[i];
UINT32 numVertices = writtenQuads * 4;
for(UINT32 j = 0; j < numVertices; j++)
{
vertices[quadOffset * 4 + j].x += (float)position.x;
vertices[quadOffset * 4 + j].y += (float)position.y;
}
quadOffset += writtenQuads;
}
bs_stack_delete(alignmentOffsets, numLines);
return newNumQuads;
}
void ImageSprite::update(const IMAGE_SPRITE_DESC& desc, UINT64 groupId)
{
if(desc.texture == nullptr || desc.texture->getTexture() == nullptr)
{
clearMesh();
return;
}
// Actually generate a mesh
if(mCachedRenderElements.size() < 1)
mCachedRenderElements.resize(1);
bool useScale9Grid = desc.borderLeft > 0 || desc.borderRight > 0 ||
desc.borderTop > 0 || desc.borderBottom > 0;
UINT32 numQuads = 1;
if(useScale9Grid)
numQuads = 9;
UINT32 texPage = 0;
SpriteRenderElement& renderElem = mCachedRenderElements[0];
{
UINT32 newNumQuads = numQuads;
if(newNumQuads != renderElem.numQuads)
{
UINT32 oldVertexCount = renderElem.numQuads * 4;
UINT32 oldIndexCount = renderElem.numQuads * 6;
if(renderElem.vertices != nullptr) bs_deleteN(renderElem.vertices, oldVertexCount);
if(renderElem.uvs != nullptr) bs_deleteN(renderElem.uvs, oldVertexCount);
if(renderElem.indexes != nullptr) bs_deleteN(renderElem.indexes, oldIndexCount);
renderElem.vertices = bs_newN<Vector2>(newNumQuads * 4);
renderElem.uvs = bs_newN<Vector2>(newNumQuads * 4);
renderElem.indexes = bs_newN<UINT32>(newNumQuads * 6);
renderElem.numQuads = newNumQuads;
}
const HTexture& tex = desc.texture->getTexture();
SpriteMaterialInfo& matInfo = renderElem.matInfo;
matInfo.groupId = groupId;
matInfo.texture = tex;
matInfo.tint = desc.color;
if (desc.transparent)
renderElem.material = SpriteManager::instance().getImageTransparentMaterial();
else
renderElem.material = SpriteManager::instance().getImageOpaqueMaterial();
texPage++;
}
for(UINT32 i = 0; i < numQuads; i++)
{
renderElem.indexes[i * 6 + 0] = i * 4 + 0;
renderElem.indexes[i * 6 + 1] = i * 4 + 1;
renderElem.indexes[i * 6 + 2] = i * 4 + 2;
renderElem.indexes[i * 6 + 3] = i * 4 + 1;
renderElem.indexes[i * 6 + 4] = i * 4 + 3;
renderElem.indexes[i * 6 + 5] = i * 4 + 2;
}
Vector2I offset = getAnchorOffset(desc.anchor, desc.width, desc.height);
Vector2 uvOffset = desc.uvOffset;
Vector2 uvScale = desc.uvScale;
if(useScale9Grid)
{
UINT32 leftBorder = desc.borderLeft;
UINT32 rightBorder = desc.borderRight;
UINT32 topBorder = desc.borderTop;
UINT32 bottomBorder = desc.borderBottom;
float centerWidth = (float)std::max((INT32)0, (INT32)desc.width - (INT32)leftBorder - (INT32)rightBorder);
float centerHeight = (float)std::max((INT32)0, (INT32)desc.height - (INT32)topBorder - (INT32)bottomBorder);
float topCenterStart = (float)(offset.x + leftBorder);
float topRightStart = (float)(topCenterStart + centerWidth);
float middleStart = (float)(offset.y + topBorder);
float bottomStart = (float)(middleStart + centerHeight);
// Top left
renderElem.vertices[0] = Vector2((float)offset.x, (float)offset.y);
renderElem.vertices[1] = Vector2((float)offset.x + leftBorder, (float)offset.y);
renderElem.vertices[2] = Vector2((float)offset.x, middleStart);
renderElem.vertices[3] = Vector2((float)offset.x + leftBorder, middleStart);
// Top center
renderElem.vertices[4] = Vector2(topCenterStart, (float)offset.y);
renderElem.vertices[5] = Vector2(topCenterStart + centerWidth, (float)offset.y);
renderElem.vertices[6] = Vector2(topCenterStart, middleStart);
renderElem.vertices[7] = Vector2(topCenterStart + centerWidth, middleStart);
// Top right
renderElem.vertices[8] = Vector2(topRightStart, (float)offset.y);
renderElem.vertices[9] = Vector2(topRightStart + rightBorder, (float)offset.y);
renderElem.vertices[10] = Vector2(topRightStart, middleStart);
renderElem.vertices[11] = Vector2(topRightStart + rightBorder, middleStart);
// Middle left
renderElem.vertices[12] = Vector2((float)offset.x, middleStart);
renderElem.vertices[13] = Vector2((float)offset.x + leftBorder, middleStart);
renderElem.vertices[14] = Vector2((float)offset.x, bottomStart);
renderElem.vertices[15] = Vector2((float)offset.x + leftBorder, bottomStart);
// Middle center
renderElem.vertices[16] = Vector2(topCenterStart, middleStart);
renderElem.vertices[17] = Vector2(topCenterStart + centerWidth, middleStart);
renderElem.vertices[18] = Vector2(topCenterStart, bottomStart);
renderElem.vertices[19] = Vector2(topCenterStart + centerWidth, bottomStart);
// Middle right
renderElem.vertices[20] = Vector2(topRightStart, middleStart);
renderElem.vertices[21] = Vector2(topRightStart + rightBorder, middleStart);
renderElem.vertices[22] = Vector2(topRightStart, bottomStart);
renderElem.vertices[23] = Vector2(topRightStart + rightBorder, bottomStart);
// Bottom left
renderElem.vertices[24] = Vector2((float)offset.x, bottomStart);
renderElem.vertices[25] = Vector2((float)offset.x + leftBorder, bottomStart);
renderElem.vertices[26] = Vector2((float)offset.x, bottomStart + bottomBorder);
renderElem.vertices[27] = Vector2((float)offset.x + leftBorder, bottomStart + bottomBorder);
// Bottom center
renderElem.vertices[28] = Vector2(topCenterStart, bottomStart);
renderElem.vertices[29] = Vector2(topCenterStart + centerWidth, bottomStart);
renderElem.vertices[30] = Vector2(topCenterStart, bottomStart + bottomBorder);
renderElem.vertices[31] = Vector2(topCenterStart + centerWidth, bottomStart + bottomBorder);
// Bottom right
renderElem.vertices[32] = Vector2(topRightStart, bottomStart);
renderElem.vertices[33] = Vector2(topRightStart + rightBorder, bottomStart);
renderElem.vertices[34] = Vector2(topRightStart, bottomStart + bottomBorder);
renderElem.vertices[35] = Vector2(topRightStart + rightBorder, bottomStart + bottomBorder);
float invWidth = 1.0f / (float)desc.texture->getTexture()->getProperties().getWidth();
float invHeight = 1.0f / (float)desc.texture->getTexture()->getProperties().getHeight();
float uvLeftBorder = desc.borderLeft * invWidth;
float uvRightBorder = desc.borderRight * invWidth;
float uvTopBorder = desc.borderTop * invHeight;
float uvBottomBorder = desc.borderBottom * invHeight;
float uvCenterWidth = std::max(0.0f, uvScale.x - uvLeftBorder - uvRightBorder);
float uvCenterHeight = std::max(0.0f, uvScale.y - uvTopBorder - uvBottomBorder);
float uvTopCenterStart = uvOffset.x + uvLeftBorder;
float uvTopRightStart = uvTopCenterStart + uvCenterWidth;
float uvMiddleStart = uvOffset.y + uvTopBorder;
float uvBottomStart = uvMiddleStart + uvCenterHeight;
// UV - Top left
renderElem.uvs[0] = desc.texture->transformUV(Vector2(uvOffset.x, uvOffset.y));
renderElem.uvs[1] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvOffset.y));
renderElem.uvs[2] = desc.texture->transformUV(Vector2(uvOffset.x, uvOffset.y + uvTopBorder));
renderElem.uvs[3] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvOffset.y + uvTopBorder));
// UV - Top center
renderElem.uvs[4] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvOffset.y));
renderElem.uvs[5] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvOffset.y));
renderElem.uvs[6] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvOffset.y + uvTopBorder));
renderElem.uvs[7] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvOffset.y + uvTopBorder));
// UV - Top right
renderElem.uvs[8] = desc.texture->transformUV(Vector2(uvTopRightStart, uvOffset.y));
renderElem.uvs[9] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvOffset.y));
renderElem.uvs[10] = desc.texture->transformUV(Vector2(uvTopRightStart, uvOffset.y + uvTopBorder));
renderElem.uvs[11] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvOffset.y + uvTopBorder));
// UV - Middle left
renderElem.uvs[12] = desc.texture->transformUV(Vector2(uvOffset.x, uvMiddleStart));
renderElem.uvs[13] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvMiddleStart));
renderElem.uvs[14] = desc.texture->transformUV(Vector2(uvOffset.x, uvMiddleStart + uvCenterHeight));
renderElem.uvs[15] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvMiddleStart + uvCenterHeight));
// UV - Middle center
renderElem.uvs[16] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvMiddleStart));
renderElem.uvs[17] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvMiddleStart));
renderElem.uvs[18] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvMiddleStart + uvCenterHeight));
renderElem.uvs[19] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvMiddleStart + uvCenterHeight));
// UV - Middle right
renderElem.uvs[20] = desc.texture->transformUV(Vector2(uvTopRightStart, uvMiddleStart));
renderElem.uvs[21] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvMiddleStart));
renderElem.uvs[22] = desc.texture->transformUV(Vector2(uvTopRightStart, uvMiddleStart + uvCenterHeight));
renderElem.uvs[23] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvMiddleStart + uvCenterHeight));
// UV - Bottom left
renderElem.uvs[24] = desc.texture->transformUV(Vector2(uvOffset.x, uvBottomStart));
renderElem.uvs[25] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvBottomStart));
renderElem.uvs[26] = desc.texture->transformUV(Vector2(uvOffset.x, uvBottomStart + uvBottomBorder));
renderElem.uvs[27] = desc.texture->transformUV(Vector2(uvOffset.x + uvLeftBorder, uvBottomStart + uvBottomBorder));
// UV - Bottom center
renderElem.uvs[28] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvBottomStart));
renderElem.uvs[29] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvBottomStart));
renderElem.uvs[30] = desc.texture->transformUV(Vector2(uvTopCenterStart, uvBottomStart + uvBottomBorder));
renderElem.uvs[31] = desc.texture->transformUV(Vector2(uvTopCenterStart + uvCenterWidth, uvBottomStart + uvBottomBorder));
// UV - Bottom right
renderElem.uvs[32] = desc.texture->transformUV(Vector2(uvTopRightStart, uvBottomStart));
renderElem.uvs[33] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvBottomStart));
renderElem.uvs[34] = desc.texture->transformUV(Vector2(uvTopRightStart, uvBottomStart + uvBottomBorder));
renderElem.uvs[35] = desc.texture->transformUV(Vector2(uvTopRightStart + uvRightBorder, uvBottomStart + uvBottomBorder));
}
else
{
renderElem.vertices[0] = Vector2((float)offset.x, (float)offset.y);
renderElem.vertices[1] = Vector2((float)offset.x + desc.width, (float)offset.y);
renderElem.vertices[2] = Vector2((float)offset.x, (float)offset.y + desc.height);
renderElem.vertices[3] = Vector2((float)offset.x + desc.width, (float)offset.y + desc.height);
renderElem.uvs[0] = desc.texture->transformUV(Vector2(uvOffset.x, uvOffset.y));
renderElem.uvs[1] = desc.texture->transformUV(Vector2(uvOffset.x + uvScale.x, uvOffset.y));
renderElem.uvs[2] = desc.texture->transformUV(Vector2(uvOffset.x, uvOffset.y + uvScale.y));
renderElem.uvs[3] = desc.texture->transformUV(Vector2(uvOffset.x + uvScale.x, uvOffset.y + uvScale.y));
}
updateBounds();
}
