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raze-gles/source/core/textures/buildtiles.cpp

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/*
** buildtexture.cpp
** Handling Build textures
**
**---------------------------------------------------------------------------
** Copyright 2019 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
**
*/
#include "files.h"
#include "zstring.h"
#include "buildtiles.h"
#include "image.h"
#include "palette.h"
#include "m_crc32.h"
#include "build.h"
#include "gamecontrol.h"
#include "palettecontainer.h"
#include "texturemanager.h"
enum
{
MAXARTFILES_BASE = 200,
MAXARTFILES_TOTAL = 220
};
BuildTiles TileFiles;
//==========================================================================
//
//
//
//==========================================================================
picanm_t tileConvertAnimFormat(int32_t const picanimraw, int* lo, int* to)
{
// Unpack a 4 byte packed anim descriptor into something more accessible
picanm_t anm;
anm.num = picanimraw & 63;
*lo = (int8_t)((picanimraw >> 8) & 255);
*to = (int8_t)((picanimraw >> 16) & 255);
anm.sf = ((picanimraw >> 24) & 15) | (picanimraw & 192);
anm.extra = (picanimraw >> 28) & 15;
return anm;
}
//==========================================================================
//
// Base class for Build tile textures
// This needs a few subclasses for different use cases.
//
//==========================================================================
int FTileTexture::CopyPixels(FBitmap* bmp, int conversion)
{
TArray<uint8_t> buffer;
auto ppix = GetRawData();
if (ppix)
{
bmp->CopyPixelData(0, 0, ppix, Width, Height, Height, 1, 0, GPalette.BaseColors);
}
return 0;
}
TArray<uint8_t> FTileTexture::CreatePalettedPixels(int conversion)
{
TArray<uint8_t> buffer(Width * Height, true);
auto p = GetRawData();
if (p) memcpy(buffer.Data(), p, buffer.Size());
else memset(buffer.Data(), 0, buffer.Size());
return buffer;
}
//==========================================================================
//
//
//
//==========================================================================
static FGameTexture* GetTileTexture(const char* name, const TArray<uint8_t>& backingstore, uint32_t offset, int width, int height)
{
auto tex = new FArtTile(backingstore, offset, width, height);
auto p = &backingstore[offset];
auto siz = width * height;
for (int i = 0; i < siz; i++, p++)
{
// move transparent color to index 0 to get in line with the rest of the texture management.
if (*p == 0) *p = 255;
else if (*p == 255) *p = 0;
}
if (tex)
{
return MakeGameTexture(new FImageTexture(tex), name, ETextureType::Any);
}
return nullptr;
}
void BuildTiles::Init()
{
Placeholder = TexMan.GameByIndex(0);
for (auto& tile : tiledata)
{
tile.texture = Placeholder;
tile.backup = Placeholder;
tile.picanm = {};
tile.RotTile = { -1,-1 };
tile.replacement = ReplacementType::Art;
tile.alphaThreshold = 0.5;
}
}
//==========================================================================
//
//
//
//==========================================================================
void BuildTiles::AddTile(int tilenum, FGameTexture* tex, bool permap)
{
assert(!tex->GetID().isValid()); // must not be added yet.
TexMan.AddGameTexture(tex);
tiledata[tilenum].texture = tex;
if (!permap) tiledata[tilenum].backup = tex;
}
//===========================================================================
//
// AddTiles
//
// Adds all the tiles in an artfile to the texture manager.
//
//===========================================================================
void BuildTiles::AddTiles (int firsttile, TArray<uint8_t>& RawData, const char *mapname)
{
const uint8_t *tiles = RawData.Data();
// int numtiles = LittleLong(((uint32_t *)tiles)[1]); // This value is not reliable
int tilestart = LittleLong(((int *)tiles)[2]);
int tileend = LittleLong(((int *)tiles)[3]);
const uint16_t *tilesizx = &((const uint16_t *)tiles)[8];
const uint16_t *tilesizy = &tilesizx[tileend - tilestart + 1];
const uint32_t *picanm = (const uint32_t *)&tilesizy[tileend - tilestart + 1];
const uint8_t *tiledata = (const uint8_t *)&picanm[tileend - tilestart + 1];
if (firsttile != -1)
{
tileend = tileend - tilestart + firsttile;
tilestart = firsttile;
}
for (int i = tilestart; i <= tileend; ++i)
{
int pic = i - tilestart;
int width = LittleShort(tilesizx[pic]);
int height = LittleShort(tilesizy[pic]);
uint32_t anm = LittleLong(picanm[pic]);
int size = width*height;
if (width <= 0 || height <= 0) continue;
FString texname;
if (mapname) texname.Format("maptile_%s_%05d", mapname, i);
else texname.Format("#%05d", i);
auto tex = GetTileTexture(texname, RawData, uint32_t(tiledata - tiles), width, height);
AddTile(i, tex);
int leftoffset, topoffset;
this->tiledata[i].picanmbackup = this->tiledata[i].picanm = tileConvertAnimFormat(anm, &leftoffset, &topoffset);
tex->SetOffsets(leftoffset, topoffset);
tiledata += size;
}
}
//===========================================================================
//
// Replacement textures
//
//===========================================================================
void BuildTiles::AddReplacement(int picnum, const HightileReplacement& replace)
{
auto& Hightiles = tiledata[picnum].Hightiles;
for (auto& ht : Hightiles)
{
if (replace.palnum == ht.palnum && (replace.faces[1] == nullptr) == (ht.faces[1] == nullptr))
{
ht = replace;
return;
}
}
Hightiles.Push(replace);
}
void BuildTiles::DeleteReplacement(int picnum, int palnum)
{
auto& Hightiles = tiledata[picnum].Hightiles;
for (int i = Hightiles.Size() - 1; i >= 0; i--)
{
if (Hightiles[i].palnum == palnum) Hightiles.Delete(i);
}
}
//===========================================================================
//
//
//
//===========================================================================
HightileReplacement* BuildTiles::FindReplacement(int picnum, int palnum, bool skybox)
{
auto& Hightiles = tiledata[picnum].Hightiles;
for (;;)
{
for (auto& rep : Hightiles)
{
if (rep.palnum == palnum && (rep.faces[1] != nullptr) == skybox) return &rep;
}
if (!palnum || palnum >= MAXPALOOKUPS - RESERVEDPALS) break;
palnum = 0;
}
return nullptr; // no replacement found
}
//===========================================================================
//
// CountTiles
//
// Returns the number of tiles provided by an artfile
//
//===========================================================================
int CountTiles (const char *fn, const uint8_t *RawData)
{
int version = LittleLong(*(uint32_t *)RawData);
if (version != 1)
{
Printf("%s: Invalid art file version. Must be 1, got %d\n", fn, version);
return 0;
}
int tilestart = LittleLong(((uint32_t *)RawData)[2]);
int tileend = LittleLong(((uint32_t *)RawData)[3]);
if ((unsigned)tilestart >= MAXUSERTILES || (unsigned)tileend >= MAXUSERTILES)
{
Printf("%s: Invalid tilestart or tileend\n", fn);
return 0;
}
if (tileend < tilestart)
{
Printf("%s: tileend < tilestart\n", fn);
return 0;
}
return tileend >= tilestart ? tileend - tilestart + 1 : 0;
}
//===========================================================================
//
// InvalidateTile
//
//===========================================================================
void BuildTiles::InvalidateTile(int num)
{
if ((unsigned) num < MAXTILES)
{
auto tex = tiledata[num].texture;
tex->GetTexture()->SystemTextures.Clean();
for (auto &rep : tiledata[num].Hightiles)
{
for (auto &reptex : rep.faces)
{
if (reptex) reptex->GetTexture()->SystemTextures.Clean();
}
}
tiledata[num].rawCache.data.Clear();
}
}
//===========================================================================
//
// MakeCanvas
//
// Turns texture into a canvas (i.e. camera texture)
//
//===========================================================================
void BuildTiles::MakeCanvas(int tilenum, int width, int height)
{
auto canvas = ValidateCustomTile(tilenum, ReplacementType::Canvas);
canvas->SetSize(width*4, height*4);
canvas->SetDisplaySize(width, height);
canvas->GetTexture()->SetSize(width * 4, height * 4);
static_cast<FCanvasTexture*>(canvas->GetTexture())->aspectRatio = (float)width / height;
}
//===========================================================================
//
// LoadArtFile
//
// Returns the number of tiles found.
//
// let's load everything into memory on startup.
// Even for Ion Fury this will merely add 80 MB, because the engine already needs to cache the data, albeit in a compressed-per-lump form,
// so its 100MB art file will only have a partial impact on memory.
//
//===========================================================================
int BuildTiles::LoadArtFile(const char *fn, const char *mapname, int firsttile)
{
auto old = FindFile(fn);
if (old >= ArtFiles.Size()) // Do not process if already loaded.
{
FileReader fr = fileSystem.OpenFileReader(fn);
if (fr.isOpen())
{
auto artdata = fr.Read();
const uint8_t *artptr = artdata.Data();
if (artdata.Size() > 16)
{
if (memcmp(artptr, "BUILDART", 8) == 0)
{
artdata.Delete(0, 8);
}
// Only load the data if the header is present
if (CountTiles(fn, artptr) > 0)
{
auto file = new BuildArtFile;
ArtFiles.Push(file);
file->filename = fn;
file->RawData = std::move(artdata);
AddTiles(firsttile, file->RawData, mapname);
}
}
}
else
{
//Printf("%s: file not found\n", fn);
return -1;
}
}
return 0;
}
//==========================================================================
//
//
//
//==========================================================================
void BuildTiles::LoadArtSet(const char* filename)
{
for (int index = 0; index < MAXARTFILES_BASE; index++)
{
FStringf fn(filename, index);
LoadArtFile(fn, nullptr);
}
for (auto& addart : addedArt)
{
LoadArtFile(addart, nullptr);
}
}
//==========================================================================
//
// Checks if a custom tile has alredy been added to the list.
// For each tile index there may only be one replacement and its
// type may never change!
//
// All these uses will need some review further down the line so that the texture manager's content is immutable.
//
//==========================================================================
FGameTexture* BuildTiles::ValidateCustomTile(int tilenum, ReplacementType type)
{
if (tilenum < 0 || tilenum >= MAXTILES) return nullptr;
auto &td = tiledata[tilenum];
if (td.texture != td.backup) return nullptr; // no mucking around with map tiles.
auto tile = td.texture;
auto reptype = td.replacement;
if (reptype == type) return tile; // already created
if (reptype > ReplacementType::Art) return nullptr; // different custom type - cannot replace again.
FTexture* replacement = nullptr;
td.replacement = type;
if (type == ReplacementType::Writable)
{
// Creates an empty writable tile.
// Current use cases are:
// Camera textures (should be made to be creatable by the hardware renderer instead of falling back on the software renderer.)
// thumbnails for savegame and loadgame (should bypass the texture manager entirely.)
// view tilting in the software renderer (this should just use a local buffer instead of relying on the texture manager.)
// Movie playback (like thumbnails this should bypass the texture manager entirely.)
// Blood's 'lens' effect (apparently MP only) - combination of a camera texture with a distortion map - should be made a shader effect to be applied to the camera texture.
replacement = new FImageTexture(new FWritableTile);
}
else if (type == ReplacementType::Restorable)
{
// This is for modifying an existing tile.
// It only gets used for the crosshair and a few specific effects:
// A) the fire in Blood.
// B) the pin display in Redneck Rampage's bowling lanes.
// C) Exhumed's menu plus one special effect tile.
// All of these effects should probably be redone without actual texture hacking...
if (tile->GetTexelWidth() == 0 || tile->GetTexelHeight() == 0) return nullptr; // The base must have a size for this to work.
// todo: invalidate hardware textures for tile.
replacement = new FImageTexture(new FRestorableTile(tile->GetTexture()->GetImage()));
}
else if (type == ReplacementType::Canvas)
{
replacement = new FCanvasTexture(1, 1);
}
else return nullptr;
auto rep = MakeGameTexture(replacement, tile->GetName(), ETextureType::Override);
AddTile(tilenum, rep);
return rep;
}
//==========================================================================
//
// global interface
//
//==========================================================================
int32_t BuildTiles::artLoadFiles(const char* filename)
{
TileFiles.LoadArtSet(filename);
memset(gotpic, 0, sizeof(gotpic));
return 0;
}
//==========================================================================
//
// Creates a tile for displaying custom content
//
//==========================================================================
uint8_t* BuildTiles::tileCreate(int tilenum, int width, int height)
{
if (width <= 0 || height <= 0) return nullptr;
auto tex = ValidateCustomTile(tilenum, ReplacementType::Writable);
if (tex == nullptr) return nullptr;
auto wtex = static_cast<FWritableTile*>(tex->GetTexture()->GetImage());
if (!wtex->ResizeImage(width, height)) return nullptr;
tex->SetSize(width, height);
return wtex->GetRawData();
}
//==========================================================================
//
// Makes a tile writable - only used for a handful of special cases
// (todo: Investigate how to get rid of this)
//
//==========================================================================
uint8_t* BuildTiles::tileMakeWritable(int num)
{
auto tex = ValidateCustomTile(num, ReplacementType::Restorable);
auto wtex = static_cast<FWritableTile*>(tex->GetTexture()->GetImage());
return wtex ? wtex->GetRawData() : nullptr;
}
//==========================================================================
//
// Processes data from .def files into the textures
//
//==========================================================================
void BuildTiles::PostLoadSetup()
{
for (auto& tile : tiledata)
{
FGameTexture* detailTex = nullptr, * glowTex = nullptr, * normalTex = nullptr, *specTex = nullptr;
float scalex = 1.f, scaley = 1.f;
for (auto& rep : tile.Hightiles)
{
if (rep.palnum == GLOWPAL)
{
glowTex = rep.faces[0];
}
if (rep.palnum == NORMALPAL)
{
normalTex = rep.faces[0];
}
if (rep.palnum == SPECULARPAL)
{
specTex = rep.faces[0];
}
if (rep.palnum == DETAILPAL)
{
detailTex = rep.faces[0];
scalex = rep.scale.X;
scaley = rep.scale.Y;
}
}
if (!detailTex && !glowTex && !normalTex && !specTex) continue; // if there's no layers there's nothing to do.
for (auto& rep : tile.Hightiles)
{
if (rep.faces[1]) continue; // do not muck around with skyboxes (yet)
if (rep.palnum < NORMALPAL)
{
auto tex = rep.faces[0];
// Make a copy so that multiple appearances of the same texture can be handled. They will all refer to the same internal texture anyway.
tex = MakeGameTexture(tex->GetTexture(), "", ETextureType::Any);
tex->SetGlowmap(glowTex->GetTexture());
tex->SetDetailmap(detailTex->GetTexture());
tex->SetNormalmap(normalTex->GetTexture());
tex->SetSpecularmap(specTex->GetTexture());
tex->SetDetailScale(scalex, scaley);
rep.faces[0] = tex;
}
}
}
}
//==========================================================================
//
// Returns checksum for a given tile
//
//==========================================================================
int32_t tileGetCRC32(int tileNum)
{
if ((unsigned)tileNum >= (unsigned)MAXTILES) return 0;
auto tile = dynamic_cast<FArtTile*>(TileFiles.tiledata[tileNum].texture->GetTexture()->GetImage()); // only consider original ART tiles.
if (!tile) return 0;
auto pixels = tile->GetRawData();
if (!pixels) return 0;
auto size = tile->GetWidth() * tile->GetHeight();
if (size == 0) return 0;
// Temporarily revert the data to its original form with 255 being transparent. Otherwise the CRC won't match.
auto p = pixels;
for (int i = 0; i < size; i++, p++)
{
// move transparent color to index 0 to get in line with the rest of the texture management.
if (*p == 0) *p = 255;
else if (*p == 255) *p = 0;
}
auto crc = crc32(0, (const Bytef*)pixels, size);
// ... and back again.
p = pixels;
for (int i = 0; i < size; i++, p++)
{
// move transparent color to index 0 to get in line with the rest of the texture management.
if (*p == 0) *p = 255;
else if (*p == 255) *p = 0;
}
return crc;
}
//==========================================================================
//
// Import a tile from an external image.
// This has been signifcantly altered so it may not cover everything yet.
//
//==========================================================================
int tileImportFromTexture(const char* fn, int tilenum, int alphacut, int istexture)
{
FTextureID texid = TexMan.CheckForTexture(fn, ETextureType::Any);
if (!texid.isValid()) return -1;
auto tex = TexMan.GetGameTexture(texid);
int32_t xsiz = tex->GetTexelWidth(), ysiz = tex->GetTexelHeight();
if (xsiz <= 0 || ysiz <= 0)
return -2;
TileFiles.tiledata[tilenum].texture = tex;
#pragma message("tileImportFromTexture needs rework!") // Reminder so that this place isn't forgotten.
//#if 0
// Does this make any difference when the texture gets *properly* inserted into the tile array? Answer: Yes, it affects how translations affect it.
//if (istexture)
tileSetHightileReplacement(tilenum, 0, fn, (float)(255 - alphacut) * (1.f / 255.f), 1.0f, 1.0f, 1.0, 1.0, 0); // At the moment this is the only way to load the texture. The texture creation code is not ready yet for downconverting an image.
//#endif
return 0;
}
//==========================================================================
//
// Copies a tile into another and optionally translates its palette.
//
//==========================================================================
void tileCopy(int tile, int source, int pal, int xoffset, int yoffset, int flags)
{
// Todo. Since I do not know if some mod needs this it's of low priority now.
// Let's get things working first.
picanm_t* picanm = nullptr;
picanm_t* sourceanm = nullptr;
int srcxo, srcyo;
FGameTexture* tex;
if (pal == -1 && tile == source)
{
// Only modify the picanm info.
tex = tileGetTexture(tile);
if (!tex) return;
picanm = &TileFiles.tiledata[tile].picanm;
sourceanm = picanm;
srcxo = tex->GetTexelLeftOffset(0);
srcyo = tex->GetTexelTopOffset(0);
}
else
{
if (source == -1) source = tile;
tex = tileGetTexture(source);
if (!tex) return;
sourceanm = &TileFiles.tiledata[source].picanm;
srcxo = tex->GetTexelLeftOffset(0);
srcyo = tex->GetTexelTopOffset(0);
TArray<uint8_t> buffer = tex->GetTexture()->Get8BitPixels(false);
if (pal != -1)
{
auto remap = lookups.getTable(pal);
for (auto& pixel : buffer)
{
pixel = remap[pixel];
}
}
tex = MakeGameTexture(new FImageTexture(new FLooseTile(buffer, tex->GetTexelWidth(), tex->GetTexelHeight())), "", ETextureType::Any);
picanm = &TileFiles.tiledata[tile].picanm;
TileFiles.AddTile(tile, tex);
}
if (xoffset != -1024) srcxo = clamp(xoffset, -128, 127);
if (yoffset != -1024) srcyo = clamp(yoffset, -128, 127);
tex->SetOffsets(srcxo, srcyo);
picanm->sf = (picanm->sf & ~PICANM_MISC_MASK) | (sourceanm->sf & PICANM_MISC_MASK) | flags;
}
//==========================================================================
//
// Clear map specific ART
//
//==========================================================================
void artClearMapArt(void)
{
for (auto& td : TileFiles.tiledata)
{
td.texture = td.backup;
td.picanm = td.picanmbackup;
}
TileFiles.SetupReverseTileMap();
}
//==========================================================================
//
// Load map specficied ART
//
//==========================================================================
static FString currentMapArt;
void artSetupMapArt(const char* filename)
{
if (currentMapArt.CompareNoCase(filename)) return;
currentMapArt = filename;
artClearMapArt();
FString lcfilename = filename;
lcfilename.MakeLower();
// Re-get from the texture manager if this map's tiles have already been created.
if (TileFiles.maptilesadded.Find(lcfilename) < TileFiles.maptilesadded.Size())
{
for (int i = 0; i < MAXTILES; i++)
{
FStringf name("maptile_%s_%05d", lcfilename.GetChars(), i);
auto texid = TexMan.CheckForTexture(name, ETextureType::Any);
if (texid.isValid())
{
TileFiles.tiledata[i].texture = TexMan.GetGameTexture(texid);
}
}
return;
}
TileFiles.maptilesadded.Push(lcfilename);
FStringf firstname("%s_00.art", lcfilename.GetChars());
auto fr = fileSystem.OpenFileReader(firstname);
if (!fr.isOpen()) return;
for (auto& td : TileFiles.tiledata)
{
td.picanmbackup = td.picanm;
}
for (bssize_t i = 0; i < MAXARTFILES_TOTAL - MAXARTFILES_BASE; i++)
{
FStringf fullname("%s_%02d.art", filename, i);
TileFiles.LoadArtFile(fullname, filename);
}
TileFiles.SetupReverseTileMap();
}
//==========================================================================
//
//
//
//==========================================================================
void tileDelete(int tile)
{
TileFiles.TextureToTile.Remove(tileGetTexture(tile));
TileFiles.tiledata[tile].texture = TileFiles.tiledata[tile].backup = TexMan.GameByIndex(0);
vox_undefine(tile);
md_undefinetile(tile);
tileRemoveReplacement(tile);
}
//==========================================================================
//
//
//
//==========================================================================
void tileRemoveReplacement(int tile)
{
if ((unsigned)tile >= MAXTILES) return;
TileFiles.DeleteReplacements(tile);
}
//==========================================================================
//
//
//
//==========================================================================
void tileSetDummy(int tile, int width, int height)
{
if (width == 0 || height == 0)
{
tileDelete(tile);
}
else if (width > 0 && height > 0)
{
FStringf texname("#%05d", tile);
auto dtile = MakeGameTexture(new FImageTexture(new FDummyTile(width, height)), texname, ETextureType::Any);
TileFiles.AddTile(tile, dtile);
}
}
//==========================================================================
//
//
//
//==========================================================================
int BuildTiles::findUnusedTile(void)
{
static int lastUnusedTile = MAXUSERTILES - 1;
for (; lastUnusedTile >= 0; --lastUnusedTile)
{
auto tex = tileGetTexture(lastUnusedTile);
if (!tex || !tex->isValid()) return lastUnusedTile;
}
return -1;
}
//==========================================================================
//
// fixme: This *really* needs to be done by rotating the texture coordinates,
// not by creating an entirely new texture.
// Unfortunately it's in all the wrong place in the rendering code so it
// has to wait for later.
//
//==========================================================================
int BuildTiles::tileCreateRotated(int tileNum)
{
if ((unsigned)tileNum >= MAXTILES) return tileNum;
auto tex = tileGetTexture(tileNum);
if (!tex || tex->GetTexelWidth() <= 0 || tex->GetTexelHeight() <= 0) return tileNum;
TArray<uint8_t> buffer = tex->GetTexture()->Get8BitPixels(false);
TArray<uint8_t> dbuffer(tex->GetTexelWidth() * tex->GetTexelHeight(), true);
auto src = buffer.Data();
auto dst = dbuffer.Data();
auto width = tex->GetTexelWidth();
auto height = tex->GetTexelHeight();
for (int x = 0; x < width; ++x)
{
int xofs = width - x - 1;
int yofs = height * x;
for (int y = 0; y < height; ++y)
*(dst + y * width + xofs) = *(src + y + yofs);
}
auto dtex = MakeGameTexture(new FImageTexture(new FLooseTile(dbuffer, tex->GetTexelHeight(), tex->GetTexelWidth())), "", ETextureType::Override);
int index = findUnusedTile();
bool mapart = TileFiles.tiledata[tileNum].texture != TileFiles.tiledata[tileNum].backup;
TileFiles.AddTile(index, dtex, mapart);
return index;
}
//==========================================================================
//
//
//
//==========================================================================
void BuildTiles::CloseAll()
{
ArtFiles.DeleteAndClear();
}
//==========================================================================
//
// Specifies a replacement texture for an ART tile.
//
//==========================================================================
int tileSetHightileReplacement(int picnum, int palnum, const char* filename, float alphacut, float xscale, float yscale, float specpower, float specfactor, uint8_t flags)
{
if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
auto tex = tileGetTexture(picnum);
if (tex->GetTexelWidth() <= 0 || tex->GetTexelHeight() <= 0)
{
Printf("Warning: defined hightile replacement for empty tile %d.", picnum);
return -1; // cannot add replacements to empty tiles, must create one beforehand
}
HightileReplacement replace = {};
FTextureID texid = TexMan.CheckForTexture(filename, ETextureType::Any);
if (!texid.isValid())
{
Printf("%s: Replacement for tile %d does not exist or is invalid\n", filename, picnum);
return -1;
}
replace.faces[0] = TexMan.GetGameTexture(texid);
if (replace.faces[0] == nullptr)
replace.alphacut = min(alphacut,1.f);
replace.scale = { xscale, yscale };
replace.specpower = specpower; // currently unused
replace.specfactor = specfactor; // currently unused
replace.flags = flags;
replace.palnum = (uint16_t)palnum;
TileFiles.AddReplacement(picnum, replace);
return 0;
}
//==========================================================================
//
// Define the faces of a skybox
//
//==========================================================================
int tileSetSkybox(int picnum, int palnum, const char **facenames, int flags )
{
if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
auto tex = tileGetTexture(picnum);
if (tex->GetTexelWidth() <= 0 || tex->GetTexelHeight() <= 0)
{
Printf("Warning: defined skybox replacement for empty tile %d.", picnum);
return -1; // cannot add replacements to empty tiles, must create one beforehand
}
HightileReplacement replace = {};
for (auto &face : replace.faces)
{
FTextureID texid = TexMan.CheckForTexture(*facenames, ETextureType::Any);
if (!texid.isValid())
{
Printf("%s: Skybox image for tile %d does not exist or is invalid\n", *facenames, picnum);
return -1;
}
face = TexMan.GetGameTexture(texid);
}
replace.flags = flags;
replace.palnum = (uint16_t)palnum;
TileFiles.AddReplacement(picnum, replace);
return 0;
}
//==========================================================================
//
// Remove a replacement
//
//==========================================================================
int tileDeleteReplacement(int picnum, int palnum)
{
if ((uint32_t)picnum >= (uint32_t)MAXTILES) return -1;
if ((uint32_t)palnum >= (uint32_t)MAXPALOOKUPS) return -1;
TileFiles.DeleteReplacement(picnum, palnum);
return 0;
}
//==========================================================================
//
// Copy a block of a tile.
// Only used by RR's bowling lane.
//
//==========================================================================
void tileCopySection(int tilenum1, int sx1, int sy1, int xsiz, int ysiz, int tilenum2, int sx2, int sy2)
{
int xsiz1 = tileWidth(tilenum1);
int ysiz1 = tileHeight(tilenum1);
int xsiz2 = tileWidth(tilenum2);
int ysiz2 = tileHeight(tilenum2);
if (xsiz1 > 0 && ysiz1 > 0 && xsiz2 > 0 && ysiz2 > 0)
{
auto p1 = tilePtr(tilenum1);
auto p2 = tileData(tilenum2);
if (p2 == nullptr) return; // Error: Destination is not writable.
int x1 = sx1;
int x2 = sx2;
for (int i=0; i<xsiz; i++)
{
int y1 = sy1;
int y2 = sy2;
for (int j=0; j<ysiz; j++)
{
if (x2 >= 0 && y2 >= 0 && x2 < xsiz2 && y2 < ysiz2)
{
auto src = p1[x1 * ysiz1 + y1];
if (src != TRANSPARENT_INDEX)
p2[x2 * ysiz2 + y2] = src;
}
y1++;
y2++;
if (y1 >= ysiz1) y1 = 0;
}
x1++;
x2++;
if (x1 >= xsiz1) x1 = 0;
}
}
TileFiles.InvalidateTile(tilenum2);
}
//===========================================================================
//
// Picks a texture for rendering for a given tilenum/palette combination
//
//===========================================================================
// Test CVARs.
CVAR(Int, fixpalette, -1, 0)
CVAR(Int, fixpalswap, -1, 0)
bool PickTexture(int picnum, FGameTexture* tex, int paletteid, TexturePick& pick)
{
if (!tex) tex = tileGetTexture(picnum);
if (picnum == -1) picnum = TileFiles.GetTileIndex(tex); // Allow getting replacements also when the texture is not passed by its tile number.
if (!tex->isValid() || tex->GetTexelWidth() <= 0 || tex->GetTexelHeight() <= 0) return false;
pick.texture = tex;
int curbasepal = GetTranslationType(paletteid) - Translation_Remap;
int palette = GetTranslationIndex(paletteid);
int usepalette = fixpalette >= 0 ? fixpalette : curbasepal;
int usepalswap = fixpalswap >= 0 ? fixpalswap : palette;
int TextureType = hw_int_useindexedcolortextures && picnum >= 0 ? TT_INDEXED : TT_TRUECOLOR;
pick.translation = TRANSLATION(usepalette + Translation_Remap, usepalswap);
pick.basepalTint = 0xffffff;
auto& h = lookups.tables[palette];
bool applytint = false;
// Canvas textures must be treated like hightile replacements in the following code.
if (picnum < 0) picnum = TileFiles.GetTileIndex(tex); // Allow getting replacements also when the texture is not passed by its tile number.
auto rep = (picnum >= 0 && hw_hightile && !(h.tintFlags & TINTF_ALWAYSUSEART)) ? TileFiles.FindReplacement(picnum, palette) : nullptr;
if (rep || tex->GetTexture()->isHardwareCanvas())
{
if (usepalette != 0)
{
// This is a global setting for the entire scene, so let's do it here, right at the start. (Fixme: Store this in a static table instead of reusing the same entry for all palettes.)
auto& hh = lookups.tables[MAXPALOOKUPS - 1];
// This sets a tinting color for global palettes, e.g. water or slime - only used for hires replacements (also an option for low-resource hardware where duplicating the textures may be problematic.)
pick.basepalTint = hh.tintColor;
}
if (rep)
{
tex = rep->faces[0];
}
if (!rep || rep->palnum != palette || (h.tintFlags & TINTF_APPLYOVERALTPAL)) applytint = true;
pick.translation = 0;
}
else
{
// Only look up the palette if we really want to use it (i.e. when creating a true color texture of an ART tile.)
if (TextureType == TT_TRUECOLOR)
{
if (h.tintFlags & (TINTF_ALWAYSUSEART | TINTF_USEONART))
{
applytint = true;
if (!(h.tintFlags & TINTF_APPLYOVERPALSWAP)) usepalswap = 0;
}
pick.translation = TRANSLATION(usepalette + Translation_Remap, usepalswap);
}
else pick.translation |= 0x80000000;
}
if (applytint && h.tintFlags)
{
pick.tintFlags = h.tintFlags;
pick.tintColor = h.tintColor;
}
else
{
pick.tintFlags = -1;
pick.tintColor = 0xffffff;
}
return true;
}
TileSiz tilesiz;
PicAnm picanm;
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