本文整理汇总了C++中FTexture::GetLeftOffset方法的典型用法代码示例。如果您正苦于以下问题：C++ FTexture::GetLeftOffset方法的具体用法？C++ FTexture::GetLeftOffset怎么用？C++ FTexture::GetLeftOffset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FTexture的用法示例。
在下文中一共展示了FTexture::GetLeftOffset方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Render
void RenderDecal::Render(RenderThread *thread, side_t *wall, DBaseDecal *decal, DrawSegment *clipper, int wallshade, float lightleft, float lightstep, seg_t *curline, const FWallCoords &savecoord, bool foggy, FDynamicColormap *basecolormap, const short *walltop, const short *wallbottom, bool drawsegPass)
{
DVector2 decal_left, decal_right, decal_pos;
int x1, x2;
double yscale;
uint8_t flipx;
double zpos;
int needrepeat = 0;
sector_t *back;
bool calclighting;
bool rereadcolormap;
FDynamicColormap *usecolormap;
float light = 0;
const short *mfloorclip;
const short *mceilingclip;
if (decal->RenderFlags & RF_INVISIBLE || !viewactive || !decal->PicNum.isValid())
return;
// Determine actor z
zpos = decal->Z;
back = (curline->backsector != NULL) ? curline->backsector : curline->frontsector;
// for 3d-floor segments use the model sector as reference
sector_t *front;
if ((decal->RenderFlags&RF_CLIPMASK) == RF_CLIPMID) front = decal->Sector;
else front = curline->frontsector;
switch (decal->RenderFlags & RF_RELMASK)
{
default:
zpos = decal->Z;
break;
case RF_RELUPPER:
if (curline->linedef->flags & ML_DONTPEGTOP)
{
zpos = decal->Z + front->GetPlaneTexZ(sector_t::ceiling);
}
else
{
zpos = decal->Z + back->GetPlaneTexZ(sector_t::ceiling);
}
break;
case RF_RELLOWER:
if (curline->linedef->flags & ML_DONTPEGBOTTOM)
{
zpos = decal->Z + front->GetPlaneTexZ(sector_t::ceiling);
}
else
{
zpos = decal->Z + back->GetPlaneTexZ(sector_t::floor);
}
break;
case RF_RELMID:
if (curline->linedef->flags & ML_DONTPEGBOTTOM)
{
zpos = decal->Z + front->GetPlaneTexZ(sector_t::floor);
}
else
{
zpos = decal->Z + front->GetPlaneTexZ(sector_t::ceiling);
}
}
FTexture *WallSpriteTile = TexMan(decal->PicNum, true);
flipx = (uint8_t)(decal->RenderFlags & RF_XFLIP);
if (WallSpriteTile == NULL || WallSpriteTile->UseType == ETextureType::Null)
{
return;
}
// Determine left and right edges of sprite. Since this sprite is bound
// to a wall, we use the wall's angle instead of the decal's. This is
// pretty much the same as what R_AddLine() does.
double edge_right = WallSpriteTile->GetWidth();
double edge_left = WallSpriteTile->GetLeftOffset(0); // decals should not use renderer-specific offsets.
edge_right = (edge_right - edge_left) * decal->ScaleX;
edge_left *= decal->ScaleX;
double dcx, dcy;
decal->GetXY(wall, dcx, dcy);
decal_pos = { dcx, dcy };
DVector2 angvec = (curline->v2->fPos() - curline->v1->fPos()).Unit();
float maskedScaleY;
decal_left = decal_pos - edge_left * angvec - thread->Viewport->viewpoint.Pos;
decal_right = decal_pos + edge_right * angvec - thread->Viewport->viewpoint.Pos;
CameraLight *cameraLight;
double texturemid;
FWallCoords WallC;
if (WallC.Init(thread, decal_left, decal_right, TOO_CLOSE_Z))
return;
x1 = WallC.sx1;
x2 = WallC.sx2;
//.........这里部分代码省略.........