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https://github.com/ZDoom/gzdoom-gles.git
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0d07fb2550
FDummyTexture had a big problem: Whenever it was accessed by accident it crashed the app because it wasn't fully implemented. What it should do is return empty pixels of the given size, and an unextended FImageTexture is doing just that.
975 lines
26 KiB
C++
975 lines
26 KiB
C++
/*
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** multipatchtexturebuilder.cpp
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** Texture class for standard Doom multipatch textures
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**
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**---------------------------------------------------------------------------
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** Copyright 2004-2006 Randy Heit
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** Copyright 2006-2018 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include <ctype.h>
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#include "doomtype.h"
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#include "files.h"
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#include "w_wad.h"
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#include "i_system.h"
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#include "gi.h"
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#include "st_start.h"
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#include "sc_man.h"
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#include "templates.h"
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#include "r_data/r_translate.h"
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#include "bitmap.h"
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#include "colormatcher.h"
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#include "v_palette.h"
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#include "v_video.h"
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#include "v_text.h"
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#include "cmdlib.h"
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#include "imagehelpers.h"
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#include "image.h"
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#include "formats/multipatchtexture.h"
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// On the Alpha, accessing the shorts directly if they aren't aligned on a
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// 4-byte boundary causes unaligned access warnings. Why it does this at
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// all and only while initing the textures is beyond me.
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#ifdef ALPHA
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#define SAFESHORT(s) ((short)(((uint8_t *)&(s))[0] + ((uint8_t *)&(s))[1] * 256))
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#else
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#define SAFESHORT(s) LittleShort(s)
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#endif
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//--------------------------------------------------------------------------
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//
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// Data structures for the TEXTUREx lumps
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//
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//--------------------------------------------------------------------------
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//
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// Each texture is composed of one or more patches, with patches being lumps
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// stored in the WAD. The lumps are referenced by number, and patched into
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// the rectangular texture space using origin and possibly other attributes.
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//
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struct mappatch_t
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{
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int16_t originx;
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int16_t originy;
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int16_t patch;
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int16_t stepdir;
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int16_t colormap;
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};
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//
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// A wall texture is a list of patches which are to be combined in a
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// predefined order.
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//
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struct maptexture_t
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{
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uint8_t name[8];
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uint16_t Flags; // [RH] Was unused
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uint8_t ScaleX; // [RH] Scaling (8 is normal)
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uint8_t ScaleY; // [RH] Same as above
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int16_t width;
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int16_t height;
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uint8_t columndirectory[4]; // OBSOLETE
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int16_t patchcount;
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mappatch_t patches[1];
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};
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#define MAPTEXF_WORLDPANNING 0x8000
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// Strife uses versions of the above structures that remove all unused fields
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struct strifemappatch_t
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{
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int16_t originx;
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int16_t originy;
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int16_t patch;
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};
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//
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// A wall texture is a list of patches which are to be combined in a
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// predefined order.
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//
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struct strifemaptexture_t
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{
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uint8_t name[8];
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uint16_t Flags; // [RH] Was unused
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uint8_t ScaleX; // [RH] Scaling (8 is normal)
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uint8_t ScaleY; // [RH] Same as above
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int16_t width;
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int16_t height;
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int16_t patchcount;
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strifemappatch_t patches[1];
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};
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//==========================================================================
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//
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// In-memory representation of a single PNAMES lump entry
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//
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//==========================================================================
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struct FPatchLookup
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{
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FString Name;
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};
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void FMultipatchTextureBuilder::MakeTexture(BuildInfo &buildinfo, ETextureType usetype)
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{
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FImageTexture *tex = new FImageTexture(nullptr, buildinfo.Name);
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tex->SetUseType(usetype);
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tex->bMultiPatch = true;
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tex->Width = buildinfo.Width;
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tex->Height = buildinfo.Height;
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tex->_LeftOffset[0] = buildinfo.LeftOffset[0];
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tex->_LeftOffset[1] = buildinfo.LeftOffset[1];
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tex->_TopOffset[0] = buildinfo.TopOffset[0];
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tex->_TopOffset[1] = buildinfo.TopOffset[1];
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tex->Scale = buildinfo.Scale;
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tex->bMasked = true; // we do not really know yet.
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tex->bTranslucent = -1;
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tex->bWorldPanning = buildinfo.bWorldPanning;
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tex->bNoDecals = buildinfo.bNoDecals;
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tex->SourceLump = buildinfo.DefinitionLump;
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buildinfo.id = TexMan.AddTexture(tex);
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buildinfo.tex = tex;
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}
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//==========================================================================
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//
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// The reader for TEXTUREx
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//
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//==========================================================================
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//==========================================================================
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//
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// FMultiPatchTexture :: FMultiPatchTexture
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//
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//==========================================================================
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void FMultipatchTextureBuilder::BuildTexture(const void *texdef, FPatchLookup *patchlookup, int maxpatchnum, bool strife, int deflumpnum, ETextureType usetype)
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{
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BuildInfo &buildinfo = BuiltTextures[BuiltTextures.Reserve(1)];
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union
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{
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const maptexture_t *d;
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const strifemaptexture_t *s;
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}
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mtexture;
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union
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{
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const mappatch_t *d;
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const strifemappatch_t *s;
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}
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mpatch;
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int i;
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mtexture.d = (const maptexture_t *)texdef;
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int NumParts;
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if (strife)
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{
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NumParts = SAFESHORT(mtexture.s->patchcount);
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}
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else
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{
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NumParts = SAFESHORT(mtexture.d->patchcount);
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}
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if (NumParts < 0)
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{
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I_Error("Bad texture directory");
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}
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buildinfo.Parts.Resize(NumParts);
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buildinfo.Inits.Resize(NumParts);
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buildinfo.Width = SAFESHORT(mtexture.d->width);
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buildinfo.Height = SAFESHORT(mtexture.d->height);
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buildinfo.Name = (char *)mtexture.d->name;
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buildinfo.Scale.X = mtexture.d->ScaleX ? mtexture.d->ScaleX / 8. : 1.;
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buildinfo.Scale.Y = mtexture.d->ScaleY ? mtexture.d->ScaleY / 8. : 1.;
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if (mtexture.d->Flags & MAPTEXF_WORLDPANNING)
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{
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buildinfo.bWorldPanning = true;
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}
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if (strife)
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{
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mpatch.s = &mtexture.s->patches[0];
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}
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else
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{
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mpatch.d = &mtexture.d->patches[0];
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}
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for (i = 0; i < NumParts; ++i)
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{
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if (unsigned(LittleShort(mpatch.d->patch)) >= unsigned(maxpatchnum))
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{
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I_Error("Bad PNAMES and/or texture directory:\n\nPNAMES has %d entries, but\n%s wants to use entry %d.",
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maxpatchnum, buildinfo.Name.GetChars(), LittleShort(mpatch.d->patch) + 1);
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}
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buildinfo.Parts[i].OriginX = LittleShort(mpatch.d->originx);
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buildinfo.Parts[i].OriginY = LittleShort(mpatch.d->originy);
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buildinfo.Parts[i].Image = nullptr;
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buildinfo.Inits[i].TexName = patchlookup[LittleShort(mpatch.d->patch)].Name;
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buildinfo.Inits[i].UseType = ETextureType::WallPatch;
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if (strife)
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mpatch.s++;
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else
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mpatch.d++;
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}
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if (NumParts == 0)
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{
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Printf("Texture %s is left without any patches\n", buildinfo.Name.GetChars());
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}
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// Insert the incomplete texture right here so that it's in the correct place.
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MakeTexture(buildinfo, usetype);
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buildinfo.DefinitionLump = deflumpnum;
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}
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//==========================================================================
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//
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// FTextureManager :: AddTexturesLump
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//
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//==========================================================================
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void FMultipatchTextureBuilder::AddTexturesLump(const void *lumpdata, int lumpsize, int deflumpnum, int patcheslump, int firstdup, bool texture1)
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{
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TArray<FPatchLookup> patchlookup;
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int i;
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uint32_t numpatches;
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if (firstdup == 0)
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{
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firstdup = (int)TexMan.NumTextures();
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}
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{
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auto pnames = Wads.OpenLumpReader(patcheslump);
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numpatches = pnames.ReadUInt32();
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// Check whether the amount of names reported is correct.
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if ((signed)numpatches < 0)
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{
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Printf("Corrupt PNAMES lump found (negative amount of entries reported)\n");
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return;
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}
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// Check whether the amount of names reported is correct.
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int lumplength = Wads.LumpLength(patcheslump);
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if (numpatches > uint32_t((lumplength - 4) / 8))
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{
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Printf("PNAMES lump is shorter than required (%u entries reported but only %d bytes (%d entries) long\n",
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numpatches, lumplength, (lumplength - 4) / 8);
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// Truncate but continue reading. Who knows how many such lumps exist?
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numpatches = (lumplength - 4) / 8;
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}
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// Catalog the patches these textures use so we know which
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// textures they represent.
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patchlookup.Resize(numpatches);
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for (uint32_t i = 0; i < numpatches; ++i)
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{
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char pname[9];
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pnames.Read(pname, 8);
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pname[8] = '\0';
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patchlookup[i].Name = pname;
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}
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}
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bool isStrife = false;
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const uint32_t *maptex, *directory;
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uint32_t maxoff;
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int numtextures;
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uint32_t offset = 0; // Shut up, GCC!
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maptex = (const uint32_t *)lumpdata;
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numtextures = LittleLong(*maptex);
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maxoff = lumpsize;
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if (maxoff < uint32_t(numtextures + 1) * 4)
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{
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Printf("Texture directory is too short\n");
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return;
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}
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// Scan the texture lump to decide if it contains Doom or Strife textures
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for (i = 0, directory = maptex + 1; i < numtextures; ++i)
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{
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offset = LittleLong(directory[i]);
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if (offset > maxoff)
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{
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Printf("Bad texture directory\n");
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return;
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}
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maptexture_t *tex = (maptexture_t *)((uint8_t *)maptex + offset);
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// There is bizzarely a Doom editing tool that writes to the
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// first two elements of columndirectory, so I can't check those.
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if (SAFESHORT(tex->patchcount) < 0 ||
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tex->columndirectory[2] != 0 ||
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tex->columndirectory[3] != 0)
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{
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isStrife = true;
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break;
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}
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}
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// Textures defined earlier in the lump take precedence over those defined later,
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// but later TEXTUREx lumps take precedence over earlier ones.
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for (i = 1, directory = maptex; i <= numtextures; ++i)
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{
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if (i == 1 && texture1)
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{
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// The very first texture is just a dummy. Copy its dimensions to texture 0.
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// It still needs to be created in case someone uses it by name.
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offset = LittleLong(directory[1]);
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const maptexture_t *tex = (const maptexture_t *)((const uint8_t *)maptex + offset);
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FTexture *tex0 = TexMan.ByIndex(0);
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tex0->SetSize(SAFESHORT(tex->width), SAFESHORT(tex->height));
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}
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offset = LittleLong(directory[i]);
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if (offset > maxoff)
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{
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Printf("Bad texture directory\n");
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return;
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}
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// If this texture was defined already in this lump, skip it
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// This could cause problems with animations that use the same name for intermediate
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// textures. Should I be worried?
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int j;
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for (j = (int)TexMan.NumTextures() - 1; j >= firstdup; --j)
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{
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if (strnicmp(TexMan.ByIndex(j)->GetName(), (const char *)maptex + offset, 8) == 0)
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break;
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}
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if (j + 1 == firstdup)
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{
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BuildTexture((const uint8_t *)maptex + offset, patchlookup.Data(), numpatches, isStrife, deflumpnum, (i == 1 && texture1) ? ETextureType::FirstDefined : ETextureType::Wall);
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StartScreen->Progress();
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}
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}
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}
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//==========================================================================
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//
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// FTextureManager :: AddTexturesLumps
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//
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//==========================================================================
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void FMultipatchTextureBuilder::AddTexturesLumps(int lump1, int lump2, int patcheslump)
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{
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int firstdup = (int)TexMan.NumTextures();
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if (lump1 >= 0)
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{
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FMemLump texdir = Wads.ReadLump(lump1);
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AddTexturesLump(texdir.GetMem(), Wads.LumpLength(lump1), lump1, patcheslump, firstdup, true);
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}
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if (lump2 >= 0)
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{
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FMemLump texdir = Wads.ReadLump(lump2);
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AddTexturesLump(texdir.GetMem(), Wads.LumpLength(lump2), lump2, patcheslump, firstdup, false);
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}
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}
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//==========================================================================
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//
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// THe reader for the textual format
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//
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//==========================================================================
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FMultipatchTextureBuilder::ParsePatch(FScanner &sc, BuildInfo &info, TexPart & part, TexInit &init)
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{
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FString patchname;
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int Mirror = 0;
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sc.MustGetString();
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init.TexName = sc.String;
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sc.MustGetStringName(",");
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sc.MustGetNumber();
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part.OriginX = sc.Number;
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sc.MustGetStringName(",");
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sc.MustGetNumber();
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part.OriginY = sc.Number;
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if (sc.CheckString("{"))
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{
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while (!sc.CheckString("}"))
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{
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sc.MustGetString();
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if (sc.Compare("flipx"))
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{
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Mirror |= 1;
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}
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else if (sc.Compare("flipy"))
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{
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Mirror |= 2;
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}
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else if (sc.Compare("rotate"))
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{
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sc.MustGetNumber();
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sc.Number = (((sc.Number + 90) % 360) - 90);
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if (sc.Number != 0 && sc.Number != 90 && sc.Number != 180 && sc.Number != -90)
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{
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sc.ScriptError("Rotation must be a multiple of 90 degrees.");
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}
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part.Rotate = (sc.Number / 90) & 3;
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}
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else if (sc.Compare("Translation"))
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{
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int match;
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info.bComplex = true;
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if (part.Translation != NULL) delete part.Translation;
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part.Translation = NULL;
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part.Blend = 0;
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static const char *maps[] = { "inverse", "gold", "red", "green", "blue", NULL };
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sc.MustGetString();
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match = sc.MatchString(maps);
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if (match >= 0)
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{
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part.Blend = BLEND_SPECIALCOLORMAP1 + match;
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}
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else if (sc.Compare("ICE"))
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{
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part.Blend = BLEND_ICEMAP;
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}
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else if (sc.Compare("DESATURATE"))
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{
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sc.MustGetStringName(",");
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sc.MustGetNumber();
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part.Blend = BLEND_DESATURATE1 + clamp(sc.Number - 1, 0, 30);
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}
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else
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{
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sc.UnGet();
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part.Translation = new FRemapTable;
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part.Translation->MakeIdentity();
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do
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{
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sc.MustGetString();
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part.Translation->AddToTranslation(sc.String);
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} while (sc.CheckString(","));
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}
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}
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else if (sc.Compare("Colormap"))
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{
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float r1, g1, b1;
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float r2, g2, b2;
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sc.MustGetFloat();
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r1 = (float)sc.Float;
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sc.MustGetStringName(",");
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sc.MustGetFloat();
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g1 = (float)sc.Float;
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sc.MustGetStringName(",");
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sc.MustGetFloat();
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b1 = (float)sc.Float;
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if (!sc.CheckString(","))
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{
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part.Blend = AddSpecialColormap(0, 0, 0, r1, g1, b1);
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}
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else
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{
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sc.MustGetFloat();
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r2 = (float)sc.Float;
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sc.MustGetStringName(",");
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|
sc.MustGetFloat();
|
|
g2 = (float)sc.Float;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetFloat();
|
|
b2 = (float)sc.Float;
|
|
part.Blend = AddSpecialColormap(r1, g1, b1, r2, g2, b2);
|
|
}
|
|
}
|
|
else if (sc.Compare("Blend"))
|
|
{
|
|
info.bComplex = true;
|
|
if (part.Translation != NULL) delete part.Translation;
|
|
part.Translation = NULL;
|
|
part.Blend = 0;
|
|
|
|
if (!sc.CheckNumber())
|
|
{
|
|
sc.MustGetString();
|
|
part.Blend = V_GetColor(NULL, sc);
|
|
}
|
|
else
|
|
{
|
|
int r, g, b;
|
|
|
|
r = sc.Number;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
g = sc.Number;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
b = sc.Number;
|
|
//sc.MustGetStringName(","); This was never supposed to be here.
|
|
part.Blend = MAKERGB(r, g, b);
|
|
}
|
|
// Blend.a may never be 0 here.
|
|
if (sc.CheckString(","))
|
|
{
|
|
sc.MustGetFloat();
|
|
if (sc.Float > 0.f)
|
|
part.Blend.a = clamp<int>(int(sc.Float * 255), 1, 254);
|
|
else
|
|
part.Blend = 0;
|
|
}
|
|
else part.Blend.a = 255;
|
|
}
|
|
else if (sc.Compare("alpha"))
|
|
{
|
|
sc.MustGetFloat();
|
|
part.Alpha = clamp<blend_t>(int(sc.Float * BLENDUNIT), 0, BLENDUNIT);
|
|
// bComplex is not set because it is only needed when the style is not OP_COPY.
|
|
}
|
|
else if (sc.Compare("style"))
|
|
{
|
|
static const char *styles[] = { "copy", "translucent", "add", "subtract", "reversesubtract", "modulate", "copyalpha", "copynewalpha", "overlay", NULL };
|
|
sc.MustGetString();
|
|
part.op = sc.MustMatchString(styles);
|
|
info.bComplex |= (part.op != OP_COPY);
|
|
}
|
|
else if (sc.Compare("useoffsets"))
|
|
{
|
|
init.UseOffsets = true;
|
|
}
|
|
}
|
|
}
|
|
if (Mirror & 2)
|
|
{
|
|
part.Rotate = (part.Rotate + 2) & 3;
|
|
Mirror ^= 1;
|
|
}
|
|
if (Mirror & 1)
|
|
{
|
|
part.Rotate |= 4;
|
|
}
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Constructor for text based multipatch definitions
|
|
//
|
|
//==========================================================================
|
|
|
|
void FMultipatchTextureBuilder::ParseTexture(FScanner &sc, ETextureType UseType)
|
|
{
|
|
BuildInfo &buildinfo = BuiltTextures[BuiltTextures.Reserve(1)];
|
|
|
|
bool bSilent = false;
|
|
|
|
buildinfo.textual = true;
|
|
sc.SetCMode(true);
|
|
sc.MustGetString();
|
|
|
|
const char *textureName = nullptr;
|
|
if (sc.Compare("optional"))
|
|
{
|
|
bSilent = true;
|
|
sc.MustGetString();
|
|
if (sc.Compare(","))
|
|
{
|
|
// this is not right. Apparently a texture named 'optional' is being defined right now...
|
|
sc.UnGet();
|
|
textureName = "optional";
|
|
bSilent = false;
|
|
}
|
|
}
|
|
buildinfo.Name = !textureName ? sc.String : textureName;
|
|
buildinfo.Name.ToUpper();
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
buildinfo.Width = sc.Number;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
buildinfo.Height = sc.Number;
|
|
|
|
bool offset2set = false;
|
|
if (sc.CheckString("{"))
|
|
{
|
|
while (!sc.CheckString("}"))
|
|
{
|
|
sc.MustGetString();
|
|
if (sc.Compare("XScale"))
|
|
{
|
|
sc.MustGetFloat();
|
|
buildinfo.Scale.X = sc.Float;
|
|
if (buildinfo.Scale.X == 0) sc.ScriptError("Texture %s is defined with null x-scale\n", buildinfo.Name.GetChars());
|
|
}
|
|
else if (sc.Compare("YScale"))
|
|
{
|
|
sc.MustGetFloat();
|
|
buildinfo.Scale.Y = sc.Float;
|
|
if (buildinfo.Scale.Y == 0) sc.ScriptError("Texture %s is defined with null y-scale\n", buildinfo.Name.GetChars());
|
|
}
|
|
else if (sc.Compare("WorldPanning"))
|
|
{
|
|
buildinfo.bWorldPanning = true;
|
|
}
|
|
else if (sc.Compare("NullTexture"))
|
|
{
|
|
UseType = ETextureType::Null;
|
|
}
|
|
else if (sc.Compare("NoDecals"))
|
|
{
|
|
buildinfo.bNoDecals = true;
|
|
}
|
|
else if (sc.Compare("Patch"))
|
|
{
|
|
TexPart part;
|
|
TexInit init;
|
|
ParsePatch(sc, buildinfo, part, init);
|
|
if (init.TexName.IsNotEmpty())
|
|
{
|
|
buildinfo.Parts.Push(part);
|
|
init.UseType = ETextureType::WallPatch;
|
|
init.Silent = bSilent;
|
|
init.HasLine = true;
|
|
init.sc = sc;
|
|
buildinfo.Inits.Push(init);
|
|
}
|
|
part.Image = nullptr;
|
|
part.Translation = nullptr;
|
|
}
|
|
else if (sc.Compare("Sprite"))
|
|
{
|
|
TexPart part;
|
|
TexInit init;
|
|
ParsePatch(sc, buildinfo, part, init);
|
|
if (init.TexName.IsNotEmpty())
|
|
{
|
|
buildinfo.Parts.Push(part);
|
|
init.UseType = ETextureType::Sprite;
|
|
init.Silent = bSilent;
|
|
init.HasLine = true;
|
|
init.sc = sc;
|
|
buildinfo.Inits.Push(init);
|
|
}
|
|
part.Image = nullptr;
|
|
part.Translation = nullptr;
|
|
}
|
|
else if (sc.Compare("Graphic"))
|
|
{
|
|
TexPart part;
|
|
TexInit init;
|
|
ParsePatch(sc, buildinfo, part, init);
|
|
if (init.TexName.IsNotEmpty())
|
|
{
|
|
buildinfo.Parts.Push(part);
|
|
init.UseType = ETextureType::MiscPatch;
|
|
init.Silent = bSilent;
|
|
init.HasLine = true;
|
|
init.sc = sc;
|
|
buildinfo.Inits.Push(init);
|
|
}
|
|
part.Image = nullptr;
|
|
part.Translation = nullptr;
|
|
}
|
|
else if (sc.Compare("Offset"))
|
|
{
|
|
sc.MustGetNumber();
|
|
buildinfo.LeftOffset[0] = sc.Number;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
buildinfo.TopOffset[0] = sc.Number;
|
|
if (!offset2set)
|
|
{
|
|
buildinfo.LeftOffset[1] = buildinfo.LeftOffset[0];
|
|
buildinfo.TopOffset[1] = buildinfo.TopOffset[0];
|
|
}
|
|
}
|
|
else if (sc.Compare("Offset2"))
|
|
{
|
|
sc.MustGetNumber();
|
|
buildinfo.LeftOffset[1] = sc.Number;
|
|
sc.MustGetStringName(",");
|
|
sc.MustGetNumber();
|
|
buildinfo.TopOffset[1] = sc.Number;
|
|
offset2set = true;
|
|
}
|
|
else
|
|
{
|
|
sc.ScriptError("Unknown texture property '%s'", sc.String);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (buildinfo.Width <= 0 || buildinfo.Height <= 0)
|
|
{
|
|
UseType = ETextureType::Null;
|
|
Printf("Texture %s has invalid dimensions (%d, %d)\n", buildinfo.Name.GetChars(), buildinfo.Width, buildinfo.Height);
|
|
buildinfo.Width = buildinfo.Height = 1;
|
|
}
|
|
|
|
MakeTexture(buildinfo, UseType);
|
|
sc.SetCMode(false);
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// FMultiPatchTexture :: CheckForHacks
|
|
//
|
|
//==========================================================================
|
|
|
|
void FMultipatchTextureBuilder::CheckForHacks(BuildInfo &buildinfo)
|
|
{
|
|
if (buildinfo.Parts.Size() == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Heretic sky textures are marked as only 128 pixels tall,
|
|
// even though they are really 200 pixels tall.
|
|
if (gameinfo.gametype == GAME_Heretic &&
|
|
buildinfo.Name.Len() == 4 &&
|
|
buildinfo.Name[0] == 'S' &&
|
|
buildinfo.Name[1] == 'K' &&
|
|
buildinfo.Name[2] == 'Y' &&
|
|
buildinfo.Name[3] >= '1' &&
|
|
buildinfo.Name[3] <= '3' &&
|
|
buildinfo.Height == 128)
|
|
{
|
|
buildinfo.Height = 200;
|
|
return;
|
|
}
|
|
|
|
// The Doom E1 sky has its patch's y offset at -8 instead of 0.
|
|
if (gameinfo.gametype == GAME_Doom &&
|
|
!(gameinfo.flags & GI_MAPxx) &&
|
|
buildinfo.Name.Len() == 4 &&
|
|
buildinfo.Parts.Size() == 1 &&
|
|
buildinfo.Height == 128 &&
|
|
buildinfo.Parts[0].OriginY == -8 &&
|
|
buildinfo.Name[0] == 'S' &&
|
|
buildinfo.Name[1] == 'K' &&
|
|
buildinfo.Name[2] == 'Y' &&
|
|
buildinfo.Name[3] == '1')
|
|
{
|
|
buildinfo.Parts[0].OriginY = 0;
|
|
return;
|
|
}
|
|
|
|
// BIGDOOR7 in Doom also has patches at y offset -4 instead of 0.
|
|
if (gameinfo.gametype == GAME_Doom &&
|
|
!(gameinfo.flags & GI_MAPxx) &&
|
|
buildinfo.Name.CompareNoCase("BIGDOOR7") == 0 &&
|
|
buildinfo.Parts.Size() == 2 &&
|
|
buildinfo.Height == 128 &&
|
|
buildinfo.Parts[0].OriginY == -4 &&
|
|
buildinfo.Parts[1].OriginY == -4)
|
|
{
|
|
buildinfo.Parts[0].OriginY = 0;
|
|
buildinfo.Parts[1].OriginY = 0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
//
|
|
//
|
|
//==========================================================================
|
|
|
|
void FMultipatchTextureBuilder::ResolvePatches(BuildInfo &buildinfo)
|
|
{
|
|
for (unsigned i = 0; i < buildinfo.Inits.Size(); i++)
|
|
{
|
|
FTextureID texno = TexMan.CheckForTexture(buildinfo.Inits[i].TexName, buildinfo.Inits[i].UseType);
|
|
if (texno == buildinfo.id) // we found ourselves. Try looking for another one with the same name which is not a multipatch texture itself.
|
|
{
|
|
TArray<FTextureID> list;
|
|
TexMan.ListTextures(buildinfo.Inits[i].TexName, list, true);
|
|
for (int i = list.Size() - 1; i >= 0; i--)
|
|
{
|
|
if (list[i] != buildinfo.id && !TexMan.GetTexture(list[i])->bMultiPatch)
|
|
{
|
|
texno = list[i];
|
|
break;
|
|
}
|
|
}
|
|
if (texno == buildinfo.id)
|
|
{
|
|
if (buildinfo.Inits[i].HasLine) buildinfo.Inits[i].sc.Message(MSG_WARNING, "Texture '%s' references itself as patch\n", buildinfo.Inits[i].TexName.GetChars());
|
|
else Printf(TEXTCOLOR_YELLOW "Texture '%s' references itself as patch\n", buildinfo.Inits[i].TexName.GetChars());
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
// If it could be resolved, just print a developer warning.
|
|
DPrintf(DMSG_WARNING, "Resolved self-referencing texture by picking an older entry for %s\n", buildinfo.Inits[i].TexName.GetChars());
|
|
}
|
|
}
|
|
|
|
if (!texno.isValid())
|
|
{
|
|
if (!buildinfo.Inits[i].Silent)
|
|
{
|
|
if (buildinfo.Inits[i].HasLine) buildinfo.Inits[i].sc.Message(MSG_WARNING, "Unknown patch '%s' in texture '%s'\n", buildinfo.Inits[i].TexName.GetChars(), buildinfo.Name.GetChars());
|
|
else Printf(TEXTCOLOR_YELLOW "Unknown patch '%s' in texture '%s'\n", buildinfo.Inits[i].TexName.GetChars(), buildinfo.Name.GetChars());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
FTexture *tex = TexMan.GetTexture(texno);
|
|
|
|
if (tex != nullptr && tex->isValid())
|
|
{
|
|
//We cannot set the image source yet. First all textures need to be resolved.
|
|
buildinfo.Inits[i].Texture = tex;
|
|
buildinfo.tex->bComplex |= tex->bComplex;
|
|
buildinfo.bComplex |= tex->bComplex;
|
|
if (buildinfo.Inits[i].UseOffsets)
|
|
{
|
|
buildinfo.Parts[i].OriginX -= tex->GetLeftOffset(0);
|
|
buildinfo.Parts[i].OriginY -= tex->GetTopOffset(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// The patch is bogus. Remove it.
|
|
if (buildinfo.Inits[i].HasLine) buildinfo.Inits[i].sc.Message(MSG_WARNING, "Invalid patch '%s' in texture '%s'\n", buildinfo.Inits[i].TexName.GetChars(), buildinfo.Name.GetChars());
|
|
else Printf(TEXTCOLOR_YELLOW "Invalid patch '%s' in texture '%s'\n", buildinfo.Inits[i].TexName.GetChars(), buildinfo.Name.GetChars());
|
|
i--;
|
|
}
|
|
}
|
|
}
|
|
for (unsigned i = 0; i < buildinfo.Inits.Size(); i++)
|
|
{
|
|
if (buildinfo.Inits[i].Texture == nullptr)
|
|
{
|
|
buildinfo.Inits.Delete(i);
|
|
buildinfo.Parts.Delete(i);
|
|
i--;
|
|
}
|
|
}
|
|
|
|
CheckForHacks(buildinfo);
|
|
}
|
|
|
|
void FMultipatchTextureBuilder::ResolveAllPatches()
|
|
{
|
|
for (auto &bi : BuiltTextures)
|
|
{
|
|
ResolvePatches(bi);
|
|
}
|
|
// Now try to resolve the images. We only can do this at the end when all multipatch textures are set up.
|
|
int i = 0;
|
|
while (BuiltTextures.Size() > 0)
|
|
{
|
|
bool donesomething = false;
|
|
for (unsigned i = 0; i < BuiltTextures.Size(); i++)
|
|
{
|
|
auto &buildinfo = BuiltTextures[i];
|
|
bool hasEmpty = false;
|
|
|
|
for (unsigned j = 0; j < buildinfo.Inits.Size(); j++)
|
|
{
|
|
if (buildinfo.Parts[j].Image == nullptr)
|
|
{
|
|
auto image = buildinfo.Inits[j].Texture->GetImage();
|
|
if (image != nullptr)
|
|
{
|
|
buildinfo.Parts[j].Image = image;
|
|
donesomething = true;
|
|
}
|
|
else hasEmpty = true;
|
|
}
|
|
}
|
|
if (!hasEmpty)
|
|
{
|
|
// If this texture is just a wrapper around a single patch, we can simply
|
|
// use that patch's image directly here.
|
|
|
|
bool done = false;
|
|
if (buildinfo.Parts.Size() == 1)
|
|
{
|
|
if (buildinfo.Parts[0].OriginX == 0 && buildinfo.Parts[0].OriginY == 0 &&
|
|
buildinfo.Parts[0].Image->GetWidth() == buildinfo.Width &&
|
|
buildinfo.Parts[0].Image->GetHeight() == buildinfo.Height &&
|
|
buildinfo.Parts[0].Rotate == 0 &&
|
|
!buildinfo.bComplex)
|
|
{
|
|
buildinfo.tex->SetImage(buildinfo.Parts[0].Image);
|
|
done = true;
|
|
}
|
|
}
|
|
if (!done)
|
|
{
|
|
auto img = new FMultiPatchTexture(buildinfo.Width, buildinfo.Height, buildinfo.Parts, buildinfo.bComplex, buildinfo.textual);
|
|
buildinfo.tex->SetImage(img);
|
|
}
|
|
|
|
BuiltTextures.Delete(i);
|
|
i--;
|
|
donesomething = true;
|
|
}
|
|
}
|
|
if (!donesomething)
|
|
{
|
|
Printf(PRINT_LOG, "%d Unresolved textures remain\n", BuiltTextures.Size());
|
|
for (auto &b : BuiltTextures)
|
|
{
|
|
Printf(PRINT_LOG, "%s\n", b.Name.GetChars());
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|