forked from 0ad/0ad
graphics: basic terrain passibility atlas: lots of changes to make atlas compile under linux unix/X: more clipboard support - copy from 0AD to other programs unix/debug: use sys_get_executable_name instead of hard-coded paths ... and lots of other misc. changes This was SVN commit r4640.
444 lines
9.8 KiB
C++
444 lines
9.8 KiB
C++
#include "stdafx.h"
|
|
|
|
#include "DDT.h"
|
|
|
|
#include "Stream/Stream.h"
|
|
#include "Util.h"
|
|
|
|
#include "IL/il.h"
|
|
#include "IL/ilu.h"
|
|
|
|
#include <cassert>
|
|
|
|
using namespace DatafileIO;
|
|
|
|
DDTFile::DDTFile(SeekableInputStream& stream)
|
|
: m_Stream(stream)
|
|
{
|
|
// TODO: allow multiple nested DDTFiles, with ref-counted init
|
|
ilInit();
|
|
ilGenImages(1, &m_Image);
|
|
}
|
|
|
|
DDTFile::~DDTFile()
|
|
{
|
|
ilDeleteImages(1, &m_Image);
|
|
ilShutDown();
|
|
}
|
|
|
|
|
|
struct DDTImage
|
|
{
|
|
int width, height;
|
|
off_t offset;
|
|
size_t length;
|
|
};
|
|
|
|
#ifdef USE_DEVIL_DXT
|
|
static void LoadDXT(int dxtType, unsigned char* oldData);
|
|
static void SaveDXT(int dxtType); // saves the currently bound image
|
|
static void SwizzleAGBR();
|
|
#endif
|
|
static void ToggleOrigin(); // urgh
|
|
|
|
bool DDTFile::Read(FileType type)
|
|
{
|
|
ilBindImage(m_Image);
|
|
|
|
if (type == DDT)
|
|
{
|
|
char head[4];
|
|
m_Stream.Read(head, 4);
|
|
if (strncmp(head, "RTS3", 4) != 0)
|
|
{
|
|
// TODO: report helpful error message
|
|
return false;
|
|
}
|
|
|
|
char format[3];
|
|
m_Stream.Read(format, 3);
|
|
m_Type_Usage = (Type_Usage)format[0];
|
|
m_Type_Alpha = (Type_Alpha)format[1];
|
|
m_Type_Format = (Type_Format)format[2];
|
|
|
|
char mipmapLevels;
|
|
m_Stream.Read(&mipmapLevels, 1);
|
|
m_Type_Levels = mipmapLevels;
|
|
|
|
uint32_t baseWidth, baseHeight;
|
|
m_Stream.Read(&baseWidth, 4);
|
|
m_Stream.Read(&baseHeight, 4);
|
|
|
|
int numImagesPerLevel = (m_Type_Usage == CUBE ? 6 : 1);
|
|
int numImages = mipmapLevels * numImagesPerLevel;
|
|
|
|
std::vector<DDTImage> Images;
|
|
|
|
Images.resize(numImages);
|
|
for (int i = 0; i < numImages; ++i)
|
|
{
|
|
int width = baseWidth >> (i/numImagesPerLevel); if (width < 1) width = 1;
|
|
int height = baseHeight >> (i/numImagesPerLevel); if (height < 1) height = 1;
|
|
uint32_t offset, length;
|
|
m_Stream.Read(&offset, 4);
|
|
m_Stream.Read(&length, 4);
|
|
Images[i].width = width;
|
|
Images[i].height = height;
|
|
Images[i].offset = offset;
|
|
Images[i].length = length;
|
|
}
|
|
|
|
// Read the first image. (TODO: cubemaps)
|
|
|
|
int w = Images[0].width;
|
|
int h = Images[0].height;
|
|
ilTexImage(w,h,1, 4, IL_RGBA, IL_UNSIGNED_BYTE, NULL);
|
|
|
|
unsigned char* newData = (unsigned char*)ilGetData();
|
|
switch (m_Type_Format)
|
|
{
|
|
case BGRA:
|
|
{
|
|
unsigned char* oldData = new unsigned char[w*h*4];
|
|
m_Stream.Read(oldData, w*h*4);
|
|
for (int i = 0; i < w*h; ++i)
|
|
{
|
|
newData[i*4+0] = oldData[i*4+2];
|
|
newData[i*4+1] = oldData[i*4+1];
|
|
newData[i*4+2] = oldData[i*4+0];
|
|
newData[i*4+3] = oldData[i*4+3];
|
|
}
|
|
delete[] oldData;
|
|
}
|
|
break;
|
|
|
|
#ifdef USE_DEVIL_DXT
|
|
case DXT1:
|
|
case DXT3:
|
|
case NORMSPEC:
|
|
{
|
|
int dxtType = (m_Type_Format == DXT1 ? 1 : m_Type_Format == DXT3 ? 3 : 5);
|
|
int pixPerByte = (m_Type_Format == DXT1 ? 2 : 1);
|
|
unsigned char* oldData = new unsigned char[w*h/pixPerByte];
|
|
m_Stream.Read(oldData, w*h/pixPerByte);
|
|
LoadDXT(dxtType, oldData);
|
|
if (m_Type_Format == NORMSPEC)
|
|
SwizzleAGBR();
|
|
delete[] oldData;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case GREY:
|
|
{
|
|
unsigned char* oldData = new unsigned char[w*h];
|
|
m_Stream.Read(oldData, w*h);
|
|
for (int i = 0; i < w*h; ++i)
|
|
{
|
|
newData[i*4+0] =
|
|
newData[i*4+1] =
|
|
newData[i*4+2] = oldData[i];
|
|
newData[i*4+3] = 255;
|
|
}
|
|
delete[] oldData;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
//assert(! "Unhandled format");
|
|
ilClearColour(1.0f, 0.0f, 1.0f, 1.0f);
|
|
ilClearImage();
|
|
break;
|
|
}
|
|
|
|
ToggleOrigin(); // use this instead of iluFlip because we don't want to change the actual data
|
|
}
|
|
|
|
else if (type == TGA)
|
|
{
|
|
void* buffer;
|
|
size_t size;
|
|
m_Stream.AcquireBuffer(buffer, size);
|
|
ilLoadL(IL_TGA, buffer, (ILuint)size);
|
|
m_Stream.ReleaseBuffer(buffer);
|
|
ilConvertImage(IL_RGBA, IL_UNSIGNED_BYTE);
|
|
iluFlipImage();
|
|
}
|
|
else
|
|
{
|
|
assert(! "Invalid type");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool DDTFile::GetImageData(void*& buffer, int& width, int& height, bool realAlpha)
|
|
{
|
|
ilBindImage(m_Image);
|
|
|
|
width = ilGetInteger(IL_IMAGE_WIDTH);
|
|
height = ilGetInteger(IL_IMAGE_HEIGHT);
|
|
if (realAlpha)
|
|
{
|
|
buffer = malloc(width*height * 4);
|
|
memcpy(buffer, ilGetData(), width*height * 4);
|
|
}
|
|
else
|
|
{
|
|
buffer = malloc(width*height * 3 * 2);
|
|
unsigned char* newData = (unsigned char*)buffer;
|
|
unsigned char* oldData = (unsigned char*)ilGetData();
|
|
|
|
for (int i = 0; i < width*height; ++i)
|
|
{
|
|
newData[i*3+0] = oldData[i*4+0];
|
|
newData[i*3+1] = oldData[i*4+1];
|
|
newData[i*3+2] = oldData[i*4+2];
|
|
}
|
|
for (int i = 0; i < width*height; ++i)
|
|
{
|
|
newData[(i+width*height)*3+0] =
|
|
newData[(i+width*height)*3+1] =
|
|
newData[(i+width*height)*3+2] = oldData[i*4+3];
|
|
}
|
|
}
|
|
|
|
height *= 2;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
// DevIL code: (slightly nasty, since DevIL doesn't seem to be flexible enough
|
|
// to do what I need it to do...)
|
|
|
|
struct ILOutputStream
|
|
{
|
|
static OutputStream* stream;
|
|
static ILHANDLE ILAPIENTRY Open(const ILstring)
|
|
{
|
|
return (void*)-1;
|
|
}
|
|
static ILvoid ILAPIENTRY Close(ILHANDLE)
|
|
{
|
|
}
|
|
static ILint ILAPIENTRY Putc(ILubyte c, ILHANDLE)
|
|
{
|
|
stream->Write(&c, 1);
|
|
return c;
|
|
}
|
|
static ILint ILAPIENTRY Seek(ILHANDLE, ILint /*offset*/, ILint /*whence*/)
|
|
{
|
|
assert(! "Not implemented");
|
|
return 0;
|
|
}
|
|
static ILint ILAPIENTRY Tell(ILHANDLE)
|
|
{
|
|
return stream->Tell();
|
|
}
|
|
static ILint ILAPIENTRY Write(const void* data, ILuint size, ILuint count, ILHANDLE)
|
|
{
|
|
if (size*count)
|
|
stream->Write(data, size*count);
|
|
return count;
|
|
}
|
|
};
|
|
OutputStream* ILOutputStream::stream = NULL;
|
|
|
|
extern "C" {
|
|
extern ILboolean ilSaveTargaF(ILHANDLE File);
|
|
// because DevIL doesn't want to write to things that aren't
|
|
// really files, so we have to use its internal writing functions
|
|
extern ILvoid iSetOutputFile(ILHANDLE File);
|
|
}
|
|
static void ToggleOrigin(); // urgh
|
|
|
|
bool DDTFile::SaveFile(OutputStream& stream, FileType outputType)
|
|
{
|
|
ilBindImage(m_Image);
|
|
|
|
ilSetWrite(&ILOutputStream::Open, &ILOutputStream::Close, &ILOutputStream::Putc,
|
|
&ILOutputStream::Seek, &ILOutputStream::Tell, &ILOutputStream::Write);
|
|
iSetOutputFile(NULL); // make sure it's using the right output functions
|
|
|
|
ILOutputStream::stream = &stream;
|
|
|
|
if (outputType == TGA)
|
|
{
|
|
ilSaveTargaF(NULL);
|
|
}
|
|
else if (outputType == DDT)
|
|
{
|
|
int bpp;
|
|
switch (m_Type_Format)
|
|
{
|
|
case BGRA: bpp = 32; break;
|
|
case GREY: bpp = 8; break;
|
|
case DXT1: bpp = 4; break;
|
|
case DXT3: bpp = 8; break;
|
|
case NORMSPEC: bpp = 8; break;
|
|
default: assert(! "Invalid format"); return false;
|
|
}
|
|
|
|
stream.Write("RTS3", 4);
|
|
|
|
char format[4];
|
|
format[0] = (char)m_Type_Usage;
|
|
format[1] = (char)m_Type_Alpha;
|
|
format[2] = (char)m_Type_Format;
|
|
format[3] = (char)m_Type_Levels;
|
|
stream.Write(format, 4);
|
|
|
|
uint32_t baseWidth, baseHeight;
|
|
baseWidth = ilGetInteger(IL_IMAGE_WIDTH);
|
|
baseHeight = ilGetInteger(IL_IMAGE_HEIGHT);
|
|
stream.Write(&baseWidth, 4);
|
|
stream.Write(&baseHeight, 4);
|
|
|
|
int numImagesPerLevel = 1; // TODO: cubemaps
|
|
int numImages = m_Type_Levels * numImagesPerLevel;
|
|
uint32_t imgOffset = 16 + 8*numImages;
|
|
|
|
for (int i = 0; i < numImages; ++i)
|
|
{
|
|
int width = baseWidth >> (i/numImagesPerLevel); if (width < 1) width = 1;
|
|
int height = baseHeight >> (i/numImagesPerLevel); if (height < 1) height = 1;
|
|
uint32_t length = width*height * bpp / 8;
|
|
stream.Write(&imgOffset, 4);
|
|
stream.Write(&length, 4);
|
|
imgOffset += length;
|
|
}
|
|
|
|
for (int i = 0; i < numImages; ++i)
|
|
{
|
|
int width = baseWidth >> (i/numImagesPerLevel); if (width < 1) width = 1;
|
|
int height = baseHeight >> (i/numImagesPerLevel); if (height < 1) height = 1;
|
|
|
|
ilBindImage(m_Image);
|
|
|
|
ILuint img = ilCloneCurImage();
|
|
ilBindImage(img);
|
|
iluImageParameter(ILU_FILTER, ILU_SCALE_BOX); // TODO - proper mipmapping
|
|
iluScale(width, height, 1);
|
|
|
|
switch (m_Type_Format)
|
|
{
|
|
case BGRA:
|
|
{
|
|
unsigned char* newData = new unsigned char[width*height*4];
|
|
unsigned char* oldData = (unsigned char*)ilGetData();
|
|
for (int i = 0; i < width*height; ++i)
|
|
{
|
|
newData[i*4+0] = oldData[i*4+2];
|
|
newData[i*4+1] = oldData[i*4+1];
|
|
newData[i*4+2] = oldData[i*4+0];
|
|
newData[i*4+3] = oldData[i*4+3];
|
|
}
|
|
stream.Write(newData, width*height*4);
|
|
delete[] newData;
|
|
break;
|
|
}
|
|
case GREY:
|
|
{
|
|
unsigned char* newData = new unsigned char[width*height];
|
|
unsigned char* oldData = (unsigned char*)ilGetData();
|
|
for (int i = 0; i < width*height; ++i)
|
|
{
|
|
newData[i] = oldData[i*4+0];
|
|
}
|
|
stream.Write(newData, width*height);
|
|
delete[] newData;
|
|
break;
|
|
}
|
|
#ifdef USE_DEVIL_DXT
|
|
case DXT1:
|
|
SaveDXT(1);
|
|
break;
|
|
case DXT3:
|
|
SaveDXT(3);
|
|
break;
|
|
case NORMSPEC:
|
|
SwizzleAGBR();
|
|
SaveDXT(5);
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
ilDeleteImages(1, &img);
|
|
}
|
|
}
|
|
|
|
ilResetWrite();
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
// Evilness:
|
|
#include "IL/devil_internal_exports.h"
|
|
extern "C"
|
|
{
|
|
extern ILboolean DecompressDXT1();
|
|
extern ILboolean DecompressDXT3();
|
|
extern ILboolean DecompressDXT5();
|
|
extern ILuint Compress(ILimage* Image, ILenum DXTCFormat);
|
|
extern ILimage* iCurImage;
|
|
}
|
|
|
|
static void ToggleOrigin()
|
|
{
|
|
iCurImage->Origin = (iCurImage->Origin == IL_ORIGIN_UPPER_LEFT ? IL_ORIGIN_LOWER_LEFT : IL_ORIGIN_UPPER_LEFT);
|
|
}
|
|
|
|
#ifdef USE_DEVIL_DXT
|
|
extern "C"
|
|
{
|
|
extern ILubyte* CompData;
|
|
extern ILint Depth, Width, Height;
|
|
extern ILimage* Image;
|
|
}
|
|
|
|
static void LoadDXT(int dxtType, unsigned char* oldData)
|
|
{
|
|
// More evilness, that assumes a lot about DevIL's internals:
|
|
CompData = (ILubyte*)oldData;
|
|
Image = iCurImage;
|
|
Width = Image->Width;
|
|
Height = Image->Height;
|
|
Depth = Image->Depth;
|
|
|
|
switch (dxtType)
|
|
{
|
|
case 1: DecompressDXT1(); break;
|
|
case 3: DecompressDXT3(); break;
|
|
case 5: DecompressDXT5(); break;
|
|
default: assert(0);
|
|
}
|
|
|
|
CompData = NULL;
|
|
Image = NULL;
|
|
}
|
|
|
|
static void SwizzleAGBR()
|
|
{
|
|
ILubyte* data = ilGetData();
|
|
ILint pixels = ilGetInteger(IL_IMAGE_WIDTH)*ilGetInteger(IL_IMAGE_HEIGHT);
|
|
for (ILint i = 0; i < pixels; ++i)
|
|
{
|
|
ILubyte t = data[i*4+0];
|
|
data[i*4+0] = data[i*4+3];
|
|
data[i*4+3] = t;
|
|
}
|
|
}
|
|
|
|
static void SaveDXT(int dxtType)
|
|
{
|
|
Compress(ilGetCurImage(), dxtType==1 ? IL_DXT1 : dxtType==3 ? IL_DXT3 : IL_DXT5);
|
|
}
|
|
|
|
#endif
|