HRESULT CALLBACK CTexture::Draw3D(uint uiFrameIndex)
{
_pCoreRenderer->BindTexture(_pCoreTexture);
if (_uiFrameWidth + _uiFrameHeight + uiFrameIndex == 0)
_pCoreRenderer->Draw(TDrawDataDesc((uint8 *)c_fQuad, 8*sizeof(float)), CRDM_TRIANGLE_STRIP, 4);
else
{
float tx = (uiFrameIndex * _uiFrameWidth % _uiWidth)/(float)_uiWidth,
ty = (uiFrameIndex * _uiFrameWidth / _uiWidth * _uiFrameHeight)/(float)_uiHeight,
tw = _uiFrameWidth/(float)_uiWidth,
th = _uiFrameHeight/(float)_uiHeight;
_quad[8] = tx; _quad[9] = ty + th;
_quad[10] = tx; _quad[11] = ty;
_quad[12] = tx + tw; _quad[13] = _quad[9];
_quad[14] = _quad[12]; _quad[15] = ty;
_pCoreRenderer->Draw(TDrawDataDesc((uint8 *)_quad, 8*sizeof(float)), CRDM_TRIANGLE_STRIP, 4);
}
return S_OK;
}
DGLE_RESULT DGLE_API CBitmapFont::Draw3D(const char *pcTxt)
{
size_t length = strlen(pcTxt);
if (length == 0)
return S_FALSE;
DGLE_RESULT hr;
uint strwidth, strheight;
if (FAILED(hr = GetTextDimensions(pcTxt, strwidth, strheight)))
return hr;
_pTex->Bind();
uint t_w, t_h;
_pTex->GetDimensions(t_w, t_h);
float x = -(float)strwidth * 0.5f, y = -(float)strheight * 0.5f;
const uint floats_per_char = 12 /* vertices */ + 12 /* texture coords */,
line_floats_cnt = length * floats_per_char;
if (_uiBufferSize < line_floats_cnt)
{
_uiBufferSize = line_floats_cnt;
delete[] _pBuffer;
_pBuffer = new float[_uiBufferSize];
}
const uint tex_coords_offset = line_floats_cnt / 2;
for (size_t i = 0; i < length; ++i)
{
const uchar ch = static_cast<const uchar>(pcTxt[i]) - 32;
const int
&curb_x = _astChars[ch].x,
&curb_y = _astChars[ch].y,
&curb_w = _astChars[ch].w,
&curb_h = _astChars[ch].h;
const uint char_step = i * (floats_per_char / 2);
_pBuffer[char_step] = x + curb_w * _fScale; _pBuffer[char_step + 1] = y;
_pBuffer[char_step + 2] = x + curb_w * _fScale; _pBuffer[char_step + 3] = y + curb_h * _fScale;
_pBuffer[char_step + 4] = x; _pBuffer[char_step + 5] = y;
_pBuffer[char_step + 6] = x; _pBuffer[char_step + 7] = y;
_pBuffer[char_step + 8] = x + curb_w * _fScale; _pBuffer[char_step + 9] = _pBuffer[char_step + 3];
_pBuffer[char_step + 10] = x; _pBuffer[char_step + 11] = _pBuffer[char_step + 3];
_pBuffer[tex_coords_offset + char_step] = (curb_x + curb_w) / (float)t_w; _pBuffer[tex_coords_offset + char_step + 1] = (curb_y + curb_h) / (float)t_h;
_pBuffer[tex_coords_offset + char_step + 2] = _pBuffer[tex_coords_offset + char_step]; _pBuffer[tex_coords_offset + char_step + 3] = curb_y / (float)t_h;
_pBuffer[tex_coords_offset + char_step + 4] = curb_x / (float)t_w; _pBuffer[tex_coords_offset + char_step + 5] = _pBuffer[tex_coords_offset + char_step + 1];
_pBuffer[tex_coords_offset + char_step + 6] = _pBuffer[tex_coords_offset + char_step + 4]; _pBuffer[tex_coords_offset + char_step + 7] = _pBuffer[tex_coords_offset + char_step + 1];
_pBuffer[tex_coords_offset + char_step + 8] = _pBuffer[tex_coords_offset + char_step + 2]; _pBuffer[tex_coords_offset + char_step + 9] = _pBuffer[tex_coords_offset + char_step + 3];
_pBuffer[tex_coords_offset + char_step + 10] = _pBuffer[tex_coords_offset + char_step + 4]; _pBuffer[tex_coords_offset + char_step + 11] = _pBuffer[tex_coords_offset + char_step + 3];
x += curb_w * _fScale;
}
_pRender3D->Draw(TDrawDataDesc((uint8 *)_pBuffer, -1, tex_coords_offset * sizeof(float), true), CRDM_TRIANGLES, (uint)length * 6);
return S_OK;
}
DGLE_RESULT DGLE_API CBitmapFont::Draw2D(float fX, float fY, const char *pcTxt, const TColor4 &stColor, float fAngle, bool bVerticesColors)
{
uint length = strlen(pcTxt);
if (length == 0)
return S_FALSE;
bool b_need_update;
_pRender2D->NeedToUpdateBatchData(b_need_update);
if (!b_need_update)
{
_pRender2D->Draw(_pTex, TDrawDataDesc(), CRDM_TRIANGLES, length * 6, TRectF(), (E_EFFECT2D_FLAGS)(EF_BLEND | (bVerticesColors ? EF_DEFAULT : EF_COLOR_MIX)));
return S_OK;
}
uint width, height;
GetTextDimensions(pcTxt, width, height);
float quad[] = {fX, fY, fX + (float)width, fY, fX + (float)width, fY + (float)height, fX, fY + (float)height};
TMatrix4 transform;
if (fAngle != 0.f)
{
TMatrix4 rot = MatrixIdentity();
const float s = sinf(-fAngle * (float)M_PI/180.f), c = cosf(-fAngle * (float)M_PI/180.f);
rot._2D[0][0] = c;
rot._2D[0][1] = -s;
rot._2D[1][0] = s;
rot._2D[1][1] = c;
transform = MatrixTranslate(TVector3(-(fX + width / 2.f), -(fY + height / 2.f), 0.f)) * rot * MatrixTranslate(TVector3(fX + width / 2.f, fY + height / 2.f, 0.f));
float x = quad[0], y = quad[1];
quad[0] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
quad[1] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = quad[2]; y = quad[3];
quad[2] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
quad[3] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = quad[4]; y = quad[5];
quad[4] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
quad[5] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = quad[6]; y = quad[7];
quad[6] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
quad[7] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
}
if (!_pRender2D->BBoxInScreen(quad, fAngle != 0.f))
return S_OK;
float xoffset = 0.f;
uint t_w, t_h;
_pTex->GetDimensions(t_w, t_h);
TColor4 prev_color, verts_colors[4];
_pRender2D->GetColorMix(prev_color);
_pRender2D->SetColorMix(stColor);
if (bVerticesColors)
_pRender2D->GetVerticesColors(verts_colors[0], verts_colors[1], verts_colors[2], verts_colors[3]);
uint size = length * 12 * 2;
if (bVerticesColors)
size = length * 24 * 2;
if (_uiBufferSize < size)
{
_uiBufferSize = size;
delete[] _pBuffer;
_pBuffer = new float[_uiBufferSize];
}
for (uint i = 0; i < length; ++i)
{
const uchar ch = static_cast<const uchar>(pcTxt[i]) - 32;
const int
&curb_x = _astChars[ch].x,
&curb_y = _astChars[ch].y,
&curb_w = _astChars[ch].w,
&curb_h = _astChars[ch].h;
const uint idx = i * 24;
_pBuffer[idx] = fX + xoffset; _pBuffer[idx + 1] = fY; _pBuffer[idx + 2] = (float)curb_x / (float)t_w; _pBuffer[idx + 3] = (float)curb_y / (float)t_h;
_pBuffer[idx + 4] = fX + xoffset + (float)curb_w * _fScale; _pBuffer[idx + 5] = fY; _pBuffer[idx + 6] = (float)(curb_x + curb_w) / (float)t_w; _pBuffer[idx + 7] = (float)curb_y / (float)t_h;
_pBuffer[idx + 8] = fX + xoffset + (float)curb_w * _fScale; _pBuffer[idx + 9] = fY + (float)curb_h * _fScale; _pBuffer[idx + 10] = (float)(curb_x + curb_w) / (float)t_w; _pBuffer[idx + 11] = (float)(curb_y + curb_h) / (float)t_h;
_pBuffer[idx + 12] = _pBuffer[idx]; _pBuffer[idx + 13] = _pBuffer[idx + 1]; _pBuffer[idx + 14] = _pBuffer[idx + 2]; _pBuffer[idx + 15] = _pBuffer[idx + 3];
_pBuffer[idx + 16] = _pBuffer[idx + 8]; _pBuffer[idx + 17] = _pBuffer[idx + 9]; _pBuffer[idx + 18] = _pBuffer[idx + 10]; _pBuffer[idx + 19] = _pBuffer[idx + 11];
_pBuffer[idx + 20] = fX + xoffset; _pBuffer[idx + 21] = fY + (float)curb_h * _fScale; _pBuffer[idx + 22] = (float)curb_x / (float)t_w; _pBuffer[idx + 23] = (float)(curb_y + curb_h) / (float)t_h;
if (fAngle != 0.f)
{
float x = _pBuffer[idx], y = _pBuffer[idx + 1];
_pBuffer[idx] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
_pBuffer[idx + 1] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = _pBuffer[idx + 4]; y = _pBuffer[idx + 5];
_pBuffer[idx + 4] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
_pBuffer[idx + 5] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = _pBuffer[idx + 8]; y = _pBuffer[idx + 9];
_pBuffer[idx + 8] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
_pBuffer[idx + 9] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
x = _pBuffer[idx + 20]; y = _pBuffer[idx + 21];
_pBuffer[idx + 20] = transform._2D[0][0] * x + transform._2D[1][0] * y + transform._2D[3][0];
_pBuffer[idx + 21] = transform._2D[0][1] * x + transform._2D[1][1] * y + transform._2D[3][1];
_pBuffer[idx + 12] = _pBuffer[idx]; _pBuffer[idx + 13] = _pBuffer[idx + 1];
_pBuffer[idx + 16] = _pBuffer[idx + 8]; _pBuffer[idx + 17] = _pBuffer[idx + 9];
}
if (bVerticesColors)
{
const uint idx = length * 24 + i * 24;
memcpy(&_pBuffer[idx], verts_colors[0], 12 * sizeof(float));
memcpy(&_pBuffer[idx + 12], verts_colors[0], 4 * sizeof(float));
memcpy(&_pBuffer[idx + 16], verts_colors[2], 8 * sizeof(float));
}
xoffset += (float)curb_w * _fScale;
}
TDrawDataDesc desc;
desc.pData = (uint8 *)_pBuffer;
desc.uiVertexStride = 4 * sizeof(float);
desc.bVertices2D = true;
desc.uiTextureVertexOffset = 2 * sizeof(float);
desc.uiTextureVertexStride = desc.uiVertexStride;
if (bVerticesColors)
desc.uiColorOffset = length * 24 * sizeof(float);
_pRender2D->Draw(_pTex, desc, CRDM_TRIANGLES, length*6, TRectF(), (E_EFFECT2D_FLAGS)(EF_BLEND | (bVerticesColors ? EF_DEFAULT : EF_COLOR_MIX)));
_pRender2D->SetColorMix(prev_color);
return S_OK;
}
