void SpriteRenderer::RenderText(const SpriteFont& font,
const wchar* text,
const Float4x4& transform,
const Float4& color)
{
D3DPERF_BeginEvent(0xFFFFFFFF, L"SpriteRenderer RenderText");
size_t length = wcslen(text);
Float4x4 textTransform;
uint64 numCharsToDraw = std::min(length, MaxBatchSize);
uint64 currentDraw = 0;
for(uint64 i = 0; i < numCharsToDraw; ++i)
{
wchar character = text[i];
if(character == ' ')
textTransform._41 += font.SpaceWidth();
else if(character == '\n')
{
textTransform._42 += font.CharHeight();
textTransform._41 = 0;
}
else
{
SpriteFont::CharDesc desc = font.GetCharDescriptor(character);
textDrawData[currentDraw].Transform = textTransform * transform;
textDrawData[currentDraw].Color = color;
textDrawData[currentDraw].DrawRect.x = desc.X;
textDrawData[currentDraw].DrawRect.y = desc.Y;
textDrawData[currentDraw].DrawRect.z = desc.Width;
textDrawData[currentDraw].DrawRect.w = desc.Height;
currentDraw++;
textTransform._41 += desc.Width + 1;
}
}
// Submit a batch
RenderBatch(font.SRView(), textDrawData, currentDraw);
D3DPERF_EndEvent();
if(length > numCharsToDraw)
RenderText(font, text + numCharsToDraw, textTransform, color);
}
void SpriteRenderer::RenderText(const SpriteFont& font,
const WCHAR* text,
const XMMATRIX& transform,
const XMFLOAT4& color)
{
D3DPERF_BeginEvent(0xFFFFFFFF, L"SpriteRenderer RenderText");
size_t length = wcslen(text);
XMMATRIX textTransform = XMMatrixIdentity();
UINT64 numCharsToDraw = min(length, MaxBatchSize);
UINT64 currentDraw = 0;
for (UINT64 i = 0; i < numCharsToDraw; ++i)
{
WCHAR character = text[i];
if(character == ' ')
textTransform._41 += font.SpaceWidth();
else if(character == '\n')
{
textTransform._42 += font.CharHeight();
textTransform._41 = 0;
}
else
{
SpriteFont::CharDesc desc = font.GetCharDescriptor(character);
textDrawData[currentDraw].Transform = XMMatrixMultiply(textTransform, transform);
textDrawData[currentDraw].Color = color;
textDrawData[currentDraw].DrawRect.x = desc.X;
textDrawData[currentDraw].DrawRect.y = desc.Y;
textDrawData[currentDraw].DrawRect.z = desc.Width;
textDrawData[currentDraw].DrawRect.w = desc.Height;
currentDraw++;
textTransform._41 += desc.Width + 1;
}
}
// Submit a batch
RenderBatch(font.SRView(), textDrawData, currentDraw);
D3DPERF_EndEvent();
if(length > numCharsToDraw)
RenderText(font, text + numCharsToDraw, textTransform, color);
}
