void pl_Cam::Begin(LICE_IBitmap *fb, bool want_zbclear, pl_ZBuffer zbclear) {
if (frameBuffer||!fb) return;
if (WantZBuffer)
{
int zbsz=fb->getWidth()*fb->getHeight();
pl_ZBuffer *zb=zBuffer.Resize(zbsz);
if (want_zbclear)
{
if (!zbclear) memset(zb,0,zbsz*sizeof(pl_ZBuffer));
else
{
int i=zbsz;
while(i--) *zb++=zbclear;
}
}
}
else zBuffer.Resize(0);
pl_Float tempMatrix[16];
_numlights = 0;
_numfaces = _numfaces_sorted = 0;
frameBuffer = fb;
plMatrixRotate(_cMatrix,2,-Pan);
plMatrixRotate(tempMatrix,1,-Pitch);
plMatrixMultiply(_cMatrix,tempMatrix);
plMatrixRotate(tempMatrix,3,-Roll);
plMatrixMultiply(_cMatrix,tempMatrix);
RecalcFrustum();
RenderTrisIn=RenderTrisCulled=RenderTrisOut=0;
RenderPixelsOut=0.0;
}
void Camera::ApplyFrustum()
{
if (flags & REQUIRE_REBUILD_PROJECTION)
{
RecalcFrustum();
}
RenderManager::Instance()->SetMatrix(RenderManager::MATRIX_PROJECTION, projMatrix);
/* Boroda: Matrix Extract Snippet
float32 proj[16];
glGetFloatv(GL_PROJECTION_MATRIX, proj);
Matrix4 frustumMatrix;
frustumMatrix.glFrustum(xmin, xmax, ymin, ymax, znear, zfar);
glLoadMatrixf(frustumMatrix.data);
for (int32 k = 0; k < 16; ++k)
{
printf("k:%d - %0.3f = %0.3f\n", k, proj[k], frustumMatrix.data[k]);
}
*/
// glMatrixMode(GL_PROJECTION);
// glLoadIdentity();
//#ifdef __DAVAENGINE_IPHONE__
// if (!ortho)
// {
// glFrustumf(xmin, xmax, ymin, ymax, znear, zfar);
// }
// else
// {
// glOrthof(xmin, xmax, ymin, ymax, znear, zfar);
// }
//#else
// if (!ortho)
// {
// glFrustum(xmin, xmax, ymin, ymax, znear, zfar);
// }
// else
// {
// glOrtho(xmin, xmax, ymin, ymax, znear, zfar);
// }
//#endif
}
const Matrix4 &Camera::GetUniformProjModelMatrix()
{
if (flags & REQUIRE_REBUILD)
{
RebuildCameraFromValues();
}
if (flags & REQUIRE_REBUILD_PROJECTION)
{
RecalcFrustum();
}
if (flags & REQUIRE_REBUILD_MODEL)
{
RecalcTransform();
}
if (flags & REQUIRE_REBUILD_UNIFORM_PROJ_MODEL)
{
uniformProjModelMatrix = modelMatrix * projMatrix;
flags &= ~REQUIRE_REBUILD_UNIFORM_PROJ_MODEL;
}
return uniformProjModelMatrix;
}
