C++ FTexture::GetScaledTopOffset方法代码示例

void FTextureManager::AddHiresTextures (int wadnum)
{
	int firsttx = Wads.GetFirstLump(wadnum);
	int lasttx = Wads.GetLastLump(wadnum);

	char name[9];
	TArray<FTextureID> tlist;

	if (firsttx == -1 || lasttx == -1)
	{
		return;
	}

	name[8] = 0;

	for (;firsttx <= lasttx; ++firsttx)
	{
		if (Wads.GetLumpNamespace(firsttx) == ns_hires)
		{
			Wads.GetLumpName (name, firsttx);

			if (Wads.CheckNumForName (name, ns_hires) == firsttx)
			{
				tlist.Clear();
				int amount = ListTextures(name, tlist);
				if (amount == 0)
				{
					// A texture with this name does not yet exist
					FTexture * newtex = FTexture::CreateTexture (firsttx, FTexture::TEX_Any);
					if (newtex != NULL)
					{
						newtex->UseType=FTexture::TEX_Override;
						AddTexture(newtex);
					}
				}
				else
				{
					for(unsigned int i = 0; i < tlist.Size(); i++)
					{
						FTexture * newtex = FTexture::CreateTexture (firsttx, FTexture::TEX_Any);
						if (newtex != NULL)
						{
							FTexture * oldtex = Textures[tlist[i].GetIndex()].Texture;

							// Replace the entire texture and adjust the scaling and offset factors.
							newtex->bWorldPanning = true;
							newtex->SetScaledSize(oldtex->GetScaledWidth(), oldtex->GetScaledHeight());
							newtex->LeftOffset = FixedMul(oldtex->GetScaledLeftOffset(), newtex->xScale);
							newtex->TopOffset = FixedMul(oldtex->GetScaledTopOffset(), newtex->yScale);
							ReplaceTexture(tlist[i], newtex, true);
						}
					}
				}
				//StartScreen->Progress();
			}
		}
	}
}

FFont::FFont (const char *name, const char *nametemplate, int first, int count, int start)
{
	int i, lump;
	char buffer[12];
	int *charlumps;
	BYTE usedcolors[256], identity[256];
	double *luminosity;
	int maxyoffs;
	bool doomtemplate = gameinfo.gametype == GAME_Doom ? strncmp (nametemplate, "STCFN", 5) == 0 : false;

	Chars = new CharData[count];
	charlumps = new int[count];
	PatchRemap = new BYTE[256];
	Ranges = NULL;
	FirstChar = first;
	LastChar = first + count - 1;
	FontHeight = 0;
	GlobalKerning = false;
	memset (usedcolors, 0, 256);
	Name = copystring (name);
	Next = FirstFont;
	FirstFont = this;

	maxyoffs = 0;

	for (i = 0; i < count; i++)
	{
		sprintf (buffer, nametemplate, i + start);
		lump = Wads.CheckNumForName (buffer, ns_graphics);
		if (doomtemplate && lump >= 0 && i + start == 121)
		{ // HACKHACK: Don't load STCFN121 in doom(2), because
		  // it's not really a lower-case 'y' but an upper-case 'I'.
		  // Because a lot of wads with their own font seem to foolishly
		  // copy STCFN121 and make it an 'I' themselves, wads must
		  // provide STCFN120 (x) and STCFN122 (z) for STCFN121 to load.
			if (Wads.CheckNumForName ("STCFN120", ns_graphics) == -1 ||
				Wads.CheckNumForName ("STCFN122", ns_graphics) == -1)
			{
				lump = -1;
			}
		}
		charlumps[i] = lump;
		if (lump >= 0)
		{
			FTexture *pic = TexMan[TexMan.AddPatch (buffer)];
			int height = pic->GetScaledHeight();
			int yoffs = pic->GetScaledTopOffset();

			if (yoffs > maxyoffs)
			{
				maxyoffs = yoffs;
			}
			height += abs (yoffs);
			if (height > FontHeight)
			{
				FontHeight = height;
			}
			RecordTextureColors (pic, usedcolors);
		}
	}

	ActiveColors = SimpleTranslation (usedcolors, PatchRemap, identity, &luminosity);

	for (i = 0; i < count; i++)
	{
		if (charlumps[i] >= 0)
		{
			Chars[i].Pic = new FFontChar1 (charlumps[i], PatchRemap);
		}
		else
		{
			Chars[i].Pic = NULL;
		}
	}

	if ('N'-first>=0 && 'N'-first<count && Chars['N' - first].Pic)
	{
		SpaceWidth = (Chars['N' - first].Pic->GetScaledWidth() + 1) / 2;
	}
	else
	{
		SpaceWidth = 4;
	}
	BuildTranslations (luminosity, identity, &TranslationParms[0][0]);

	delete[] luminosity;
	delete[] charlumps;
}