simtactics/niotso
1
0
Fork 0
mirror of https://github.com/simtactics/niotso.git synced 2025-03-15 08:11:22 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Sprite formats are now completely supported (PNGs work great too)!

Browse source 
The sprite loader code has been prettied up and rennovated quite a bit.

*NOTE: Fatbag, TSO sometimes has palette (PALT) resources that are not the same
as those described at simtec. Since you want to do the real figuring out, well,
have fun :)
This commit is contained in:
thnor 2012-04-05 00:50:46 -05:00
parent 6c85920535
commit 2a87e619ae
3 changed files with 240 additions and 189 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Libraries/FileHandler/iff/iff.c
View file

@ -165,7 +165,7 @@ IFFChunk *iff_find_first_chunk(IFFFile *IFFFileInfo, const char *type, uint16_t
currentNode = currentNode->NextChunk;
}
while (currentNode != IFFFileInfo->LastChunk);
while (currentNode != IFFFileInfo->LastChunk && currentNode != NULL);
return NULL;
}

425
Libraries/FileHandler/iff/sprite.c
View file

@ -12,10 +12,11 @@
int sprite_frame_set_texel(IFFSpriteFrame *frame, uint32_t column, uint32_t row, IFFSpriteColor color);
int sprite_frame_set_texel_alpha(IFFSpriteFrame *frame, uint32_t column, uint32_t row, IFFSpriteColor color, uint8_t alpha);
int sprite_frame_export_as_targa(IFFSpriteFrame *frame, const char *filename);
int sprite_frame_export_as_png(IFFSpriteFrame *frame, const char *filename);
int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *SourceFile)
int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * pBuffer, IFFFile *SourceFile)
{
uint32_t frameCount = 0;
uint32_t paletteID = 0;
@ -30,28 +31,23 @@ int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *Sour
uint32_t i = 0;
uint32_t l = 0;
uint32_t j = 0;
uint32_t row = 0;
uint32_t column = 0;
uint8_t quit = 0;
uint32_t numCodesTillNewline = 0;
uint32_t iRow = 0;
uint32_t cPixelsSet = 0;
uint8_t bQuit = 0;
uint16_t encrypted = 0;
uint16_t encryptedb = 0;
uint16_t decrypted1 = 0;
uint16_t decrypted2 = 0;
uint16_t decryptedb3 = 0;
uint16_t decryptedb4 = 0;
uint32_t cBytesReadInitial = 0;
uint32_t cBytesRead = 0;
uint16_t mRowHeader = 0;
uint16_t mColumnHeader = 0;
uint16_t eRowControlCode = 0;
uint16_t eColumnControlCode = 0;
uint16_t cBytesInThisRow = 0;
uint16_t cPixelCount = 0; /* Per-control-code pixel count*/
uint32_t bytesRead = 0;
uint8_t Z;
IFFSpriteColor clr;
uint32_t rowHeader[2];
uint32_t rowHeader2[2];
uint8_t b;
uint8_t b1;
#ifdef IFF2HTML
@ -60,34 +56,46 @@ int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *Sour
char *folderName;
#endif
uint32_t version = read_uint32le(Buffer);
Buffer += 4;
uint32_t version = read_uint32le(pBuffer);
pBuffer += 4;
if (version == 1001)
{
paletteID = read_uint32le(Buffer);
Buffer += 4;
frameCount = read_uint32le(Buffer);
Buffer += 4;
paletteID = read_uint32le(pBuffer);
pBuffer += 4;
frameCount = read_uint32le(pBuffer);
pBuffer += 4;
}
else
{
frameCount = read_uint32le(Buffer);
Buffer += 4;
paletteID = read_uint32le(Buffer);
Buffer += 4;
frameCount = read_uint32le(pBuffer);
pBuffer += 4;
paletteID = read_uint32le(pBuffer);
pBuffer += 4;
}
/* Try to load the appropriate palette */
PaletteMap = iff_find_first_chunk(SourceFile, "PALT", paletteID);
/* If that didn't work, try loading any palette from the IFF file */
/* Some sprites in IFFs containing only one PALT don't bother to specify a correct PALT ID */
if (PaletteMap == NULL)
{
printf("ERR");
fflush(stdout);
PaletteMap = iff_find_first_chunk(SourceFile, "PALT", 0);
/* If there is no existing palette data, there can be no coherent image. */
if (PaletteMap == NULL)
{
return 0;
}
}
if (PaletteMap->FormattedData == NULL)
{
printf("HERE");
fflush(stdout);
iff_parse_pmap(PaletteMap, PaletteMap->Data);
}
PMap = (IFFPMap *)PaletteMap->FormattedData;
@ -98,8 +106,8 @@ int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *Sour
{
for (i = 0; i < frameCount; i++)
{
offsets[i] = read_uint32le(Buffer);
Buffer += 4;
offsets[i] = read_uint32le(pBuffer);
pBuffer += 4;
}
}
@ -117,248 +125,275 @@ int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *Sour
/* Version 1000 specifies offsets for each frame of image data */
if (version == 1000)
Buffer = ChunkInfo->Data + offsets[l];
pBuffer = ChunkInfo->Data + offsets[l];
/* There are two "+=" statements here for clarity. That is optimized away by a decent compiler */
if (version == 1001)
{
Buffer += 4; /* Version */
Buffer += 4; /* Size */
pBuffer += 4; /* Version */
pBuffer += 4; /* Size */
}
if (version != 1000 && version != 1001) /* for SPR# resources */
{
Frame->YLocation = read_uint16le(Buffer);
Buffer += 2;
Frame->YLocation = read_uint16le(Buffer);
Buffer += 2;
Frame->Height = read_uint16le(Buffer);
Buffer += 2;
Frame->Width = read_uint16le(Buffer);
Buffer += 2;
Frame->YLocation = read_uint16le(pBuffer);
pBuffer += 2;
Frame->YLocation = read_uint16le(pBuffer);
pBuffer += 2;
Frame->Height = read_uint16le(pBuffer);
pBuffer += 2;
Frame->Width = read_uint16le(pBuffer);
pBuffer += 2;
}
else
{
Frame->Width = read_uint16le(Buffer);
Buffer += 2;
Frame->Height = read_uint16le(Buffer);
Buffer += 2;
Frame->Width = read_uint16le(pBuffer);
pBuffer += 2;
Frame->Height = read_uint16le(pBuffer);
pBuffer += 2;
}
Frame->Flag = read_uint16le(Buffer);
Buffer += 2;
Frame->Flag = read_uint16le(pBuffer);
pBuffer += 2;
if (version == 1000 || version == 1001)
{
Buffer += 2;
Frame->PaletteID = read_uint16le(Buffer); /* This is unused or the same as the master PALT ID */
Buffer += 2;
Frame->TransparentPixel = PMap->Colors[read_uint16le(Buffer)];
Buffer += 2;
Frame->YLocation = read_uint16le(Buffer);
Buffer += 2;
Frame->XLocation = read_uint16le(Buffer);
Buffer += 2;
pBuffer += 2;
Frame->PaletteID = read_uint16le(pBuffer); /* This is unused or the same as the master PALT ID */
pBuffer += 2;
Frame->TransparentPixel = PMap->Colors[read_uint16le(pBuffer)];
pBuffer += 2;
Frame->YLocation = read_uint16le(pBuffer);
pBuffer += 2;
Frame->XLocation = read_uint16le(pBuffer);
pBuffer += 2;
}
if (Frame->PaletteID != 0xA3A3)
{
/* Try to load the appropriate palette */
PaletteMap = iff_find_first_chunk(SourceFile, "PALT", Frame->PaletteID);
/* If that didn't work, try loading any palette from the IFF file */
/* Some sprites in IFFs containing only one PALT don't bother to specify a correct PALT ID */
if (PaletteMap == NULL)
{
PaletteMap = iff_find_first_chunk(SourceFile, "PALT", 0);
/* If there is no existing palette data, there can be no coherent image. */
if (PaletteMap == NULL)
return 0;
}
PMap = (IFFPMap *)PaletteMap->FormattedData;
}
/* Now that we know the frame size, allocate the buffer to hold its texels */
Frame->Texels = (IFFSpriteColor *)malloc(sizeof(IFFSpriteColor) * Frame->Width * Frame->Height);
iRow = 0;
cPixelsSet = 0;
bQuit = 0;
cBytesReadInitial = 0;
cBytesRead = 0;
mRowHeader = 0;
mColumnHeader = 0;
eRowControlCode = 0;
eColumnControlCode = 0;
cBytesInThisRow = 0;
cPixelCount = 0;
if (version == 1000 || version == 1001)
{
while (quit == 0)
while (!bQuit)
{
encrypted = read_uint16le(Buffer);
encryptedb = 0;
decrypted1 = encrypted>>13;
decrypted2 = encrypted&0x1FFF;
decryptedb3 = 0;
decryptedb4 = 0;
Buffer += 2;
switch (decrypted1)
mRowHeader = read_uint16le(pBuffer);
eRowControlCode = mRowHeader>>13;
cBytesInThisRow = mRowHeader&0x1FFF;
pBuffer += 2;
cBytesRead = 2; /* We just read the row header, which is included in cBytesInThisRow */
cPixelsSet = 0;
switch (eRowControlCode)
{
case 0:
column = 0;
numCodesTillNewline = decrypted2;
bytesRead = 0;
for (bytesRead = 0; bytesRead < numCodesTillNewline - 2; bytesRead += 2)
while (cBytesRead < cBytesInThisRow)
{
encryptedb = read_uint16le(Buffer);
Buffer += 2;
mColumnHeader = read_uint16le(pBuffer);
eColumnControlCode = mColumnHeader>>13;
cPixelCount = mColumnHeader&0x1FFF;
pBuffer += 2;
cBytesRead += 2;
decryptedb3 = encryptedb>>13;
decryptedb4 = encryptedb&0x1FFF;
switch (decryptedb3)
switch (eColumnControlCode)
{
case 1:
case 1: /* Add cPixelCount ZRGB pixels */
for (i = 0; i < decryptedb4; i++)
for (i = 0; i < cPixelCount; i++)
{
Z = *Buffer++; /* TODO: Use the z-buffer */
b = *Buffer++;
sprite_frame_set_texel(Frame, column++, row, PMap->Colors[b]);
/*c = PMap->Colors[b]; This variable is not used */
bytesRead += 2;
Z = *pBuffer++; /* TODO: Use the z-buffer */
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, PMap->Colors[*pBuffer++]);
cBytesRead += 2;
}
break;
case 2:
case 2: /* Add cPixelCount ZRGBA pixels */
i = 0;
for (i = 0; i < decryptedb4; i++)
for (i = 0; i < cPixelCount; i++)
{
Z = *Buffer++; /* TODO: Use the z-buffer */
b = *Buffer++;
clr = PMap->Colors[b];
clr.A = *Buffer++;
sprite_frame_set_texel(Frame, column++, row, clr);
bytesRead += 3;
Z = *pBuffer++; /* TODO: Use the z-buffer */
sprite_frame_set_texel_alpha(Frame, cPixelsSet++, iRow, PMap->Colors[*pBuffer++], (uint8_t)*pBuffer++);/* Read and set the alpha channel's value */
cBytesRead += 3;
}
if ((Buffer - ChunkInfo->Data) % 2 == 1)
/* Read EA's padding byte if the current position is not a multiple of 2 */
if ((pBuffer - ChunkInfo->Data) % 2 == 1)
{
Buffer++;
bytesRead++;
pBuffer++;
cBytesRead++;
}
break;
case 3:
column += decryptedb4;
case 3: /* Add cPixelCount transparent pixels */
for (i = 0; i < cPixelCount; i++)
{
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel);
}
break;
case 6:
case 6: /* Add cPixelCount RGB pixels */
i = 0;
for (i = 0; i < decryptedb4; i++)
for (i = 0; i < cPixelCount; i++)
{
b = *Buffer++;
sprite_frame_set_texel(Frame, column++, row, PMap->Colors[b]);
bytesRead++;
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, PMap->Colors[*pBuffer++]);
cBytesRead++;
}
if ((Buffer - ChunkInfo->Data) % 2 == 1)
/* Read EA's padding byte if the current position is not a multiple of 2 */
if ((pBuffer - ChunkInfo->Data) % 2 == 1)
{
Buffer++;
bytesRead++;
pBuffer++;
cBytesRead++;
}
break;
default:
break;
/* Error reading column code */
return 0;
}
}
row++;
/* Set any extra (unread) texels in the current row to transparent */
while (cPixelsSet < Frame->Width) { sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel); }
iRow++;
break;
case 4:
i = 0;
for (i = 0; i < decrypted2; i++)
for (i = 0; i < cBytesInThisRow; i++) /* cBytesInThisRow is used as the count of rows to fill with the transparent color in this case */
{
row++;
column = 0;
for (cPixelsSet = 0; cPixelsSet < Frame->Width; cPixelsSet++)
{
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel);
}
iRow++;
}
break;
case 5:
quit = 1;
case 5: /* This means to stop reading */
bQuit = 1;
break;
default:
/* Error reading code */
/* Error reading row code */
return 0;
}
if ((uint32_t)(Buffer - ChunkInfo->Data) == ChunkInfo->Size)
if ((uint32_t)(pBuffer - ChunkInfo->Data) == ChunkInfo->Size)
break;
}
}
else
{
while (quit == 0)
while (bQuit == 0)
{
b = 0;
b1 = 0;
/*b2 = 0; This variable is unused */
rowHeader[0] = *Buffer++;
rowHeader[1] = *Buffer++;
switch (rowHeader[0])
eRowControlCode = *pBuffer++;
cBytesInThisRow = *pBuffer++;
cBytesRead = 2;
cPixelsSet = 0;
switch (eRowControlCode)
{
case 4:
column = 0;
numCodesTillNewline = rowHeader[1];
bytesRead = 0;
for (bytesRead = 0; bytesRead < numCodesTillNewline - 2; bytesRead += 2)
for (cBytesInThisRow = 0; cBytesInThisRow < cBytesInThisRow;)
{
rowHeader2[0] = *Buffer++;
rowHeader2[1] = *Buffer++;
eColumnControlCode = *pBuffer++;
cPixelCount = *pBuffer++;
cBytesRead += 2;
switch (rowHeader2[0])
switch (eColumnControlCode)
{
case 3:
i = 0;
for (i = 0; i < rowHeader2[1]; i++)
for (i = 0; i < cPixelCount; i++)
{
b = *Buffer++;
sprite_frame_set_texel(Frame, column++, row, PMap->Colors[b]);
/*c = PMap->Colors[b]; This variable is not used */
bytesRead += 1;
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, PMap->Colors[*pBuffer++]);
cBytesRead++;
}
if ((Buffer - ChunkInfo->Data) % 2 == 1)
if ((pBuffer - ChunkInfo->Data) % 2 == 1)
{
Buffer++;
bytesRead++;
pBuffer++;
cBytesRead++;
}
break;
case 2:
b1 = *Buffer++;
/*b2 = *Buffer++; this variable is unused */
Buffer++;
clr = PMap->Colors[b1];
i = 0;
for (i = 0; i < rowHeader2[1]; i++)
for (i = 0; i < cPixelCount; i++)
{
sprite_frame_set_texel(Frame, column++, row, clr);
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, PMap->Colors[*pBuffer++]);
pBuffer++; /* Unused value */
cBytesRead += 2;
}
bytesRead += 2;
break;
case 1:
column += rowHeader2[1];
for (i = 0; i < cPixelCount; i++)
{
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel);
}
break;
default:
/* Error */
/* Error reading column code */
return 0;
}
}
row++;
/* Set any extra (unread) texels in the current row to transparent */
while (cPixelsSet < Frame->Width) { sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel); }
iRow++;
break;
case 9:
i = 0;
for (i = 0; i < rowHeader[1]; i++)
for (i = 0; i < cBytesInThisRow; i++) /* cBytesInThisRow is used as the count of rows to fill with the transparent color in this case */
{
row++;
column = 0;
for (cPixelsSet = 0; cPixelsSet < Frame->Width; cPixelsSet++)
{
sprite_frame_set_texel(Frame, cPixelsSet++, iRow, Frame->TransparentPixel);
}
iRow++;
}
break;
case 5:
quit = 1;
bQuit = 1;
printf("END");
fflush(stdout);
break;
default:
/* Error */
/* Error reading row code */
return 0;
}
if ((uint32_t)(Buffer - ChunkInfo->Data) == ChunkInfo->Size)
break;
/*if ((uint32_t)(pBuffer - ChunkInfo->Data) == ChunkInfo->Size)
break; */
}
}
for (i = 0; i < Frame->Height; i++) /* cBytesInThisRow is used as the count of rows to fill with the transparent color in this case */
{
for (j = 0; j < Frame->Width; j++)
{
if (sprite_are_colors_equal_rgb(Frame->Texels[i*Frame->Width+j], Frame->TransparentPixel))
Frame->Texels[i*Frame->Width+j].A = 0;
}
}
#ifdef IFF2HTML
outputPath = (char *)malloc(sizeof(char) * 255);
@ -383,28 +418,36 @@ int iff_parse_sprite(IFFChunk * ChunkInfo, const uint8_t * Buffer, IFFFile *Sour
}
/* This function never returns zero because it is capable of producing logical output independent of the input's validity. */
int iff_parse_pmap(IFFChunk * ChunkInfo, uint8_t * Buffer)
int sprite_are_colors_equal_rgb(IFFSpriteColor clr1, IFFSpriteColor clr2)
{
return clr1.R == clr2.R && clr1.G == clr2.G && clr1.B == clr2.B;
}
/* This function never returns zero because it is capable of producing logical output independent of the input's validity. */
int iff_parse_pmap(IFFChunk * ChunkInfo, uint8_t * pBuffer)
{
uint32_t i;
uint32_t indicator;
IFFPMap *PMap = malloc(sizeof(IFFPMap));
Buffer = ChunkInfo->Data;
pBuffer = ChunkInfo->Data;
PMap->Colors = (IFFSpriteColor *)malloc(sizeof(IFFSpriteColor) * 256);
Buffer += 16;
if (*Buffer == 0)
Buffer += 64; /* TSO-only (this took a while to figure out) Why EA does this is beyond me... */
indicator = read_uint32le(pBuffer);
if (indicator != 1)
pBuffer += (indicator>>24) - 8;
else
pBuffer += 12;
/* In every single one of EA's PALT resources, there have been 256 colors. */
for (i = 0; i < 256; i++)
{
if ((uint32_t)(Buffer - ChunkInfo->Data) < ChunkInfo->Size + 3) /* Are there 3 more bytes left to read? */
if ((uint32_t)(pBuffer - ChunkInfo->Data) < ChunkInfo->Size + 3) /* Are there 3 more bytes left to read? */
{
PMap->Colors[i].R = *(Buffer++);
PMap->Colors[i].G = *(Buffer++);
PMap->Colors[i].B = *(Buffer++);
PMap->Colors[i].R = *(pBuffer++);
PMap->Colors[i].G = *(pBuffer++);
PMap->Colors[i].B = *(pBuffer++);
PMap->Colors[i].A = 255;
}
else
@ -430,6 +473,16 @@ int sprite_frame_set_texel(IFFSpriteFrame *frame, uint32_t column, uint32_t row,
return 1;
}
int sprite_frame_set_texel_alpha(IFFSpriteFrame *frame, uint32_t column, uint32_t row, IFFSpriteColor color, uint8_t alpha)
{
/*printf("Index: %d out of %d", frame->Width * row + column, frame->Width*frame->Height);*/
memcpy(&frame->Texels[frame->Width * row + column], &color, sizeof(IFFSpriteColor));
frame->Texels[frame->Width * row + column].A = alpha;
return 1;
}
int sprite_frame_export_as_targa(IFFSpriteFrame *frame, const char *filename)
{
int i;
@ -492,12 +545,12 @@ int sprite_frame_export_as_png(IFFSpriteFrame *frame, const char *filename)
row_pointers = (png_bytepp) malloc (frame->Height * sizeof (png_bytep));
for (h = 0; h < frame->Height; h++) {
row_pointers[frame->Height-h-1] = (png_bytep) malloc (frame->Width*4);
row_pointers[h] = (png_bytep) malloc (frame->Width*4);
for (w = 0; w < frame->Width; w++) {
row_pointers[frame->Height-h-1][w*4] = frame->Texels[frame->Width*h + w].R;
row_pointers[frame->Height-h-1][w*4+1] = frame->Texels[frame->Width*h + w].G;
row_pointers[frame->Height-h-1][w*4+2] = frame->Texels[frame->Width*h + w].B;
row_pointers[frame->Height-h-1][w*4+3] = frame->Texels[frame->Width*h + w].A;
row_pointers[h][w*4] = frame->Texels[frame->Width*h + w].R;
row_pointers[h][w*4+1] = frame->Texels[frame->Width*h + w].G;
row_pointers[h][w*4+2] = frame->Texels[frame->Width*h + w].B;
row_pointers[h][w*4+3] = frame->Texels[frame->Width*h + w].A;
}
}

2
Tools/iff2html/iff2html.c
View file

@ -106,8 +106,6 @@ int main(int argc, char *argv[]){
resourceDir[0] = '.';
resourceDir[1] = '/';
CreateDirectory(resourceDir, NULL);
printf(resourceDir);
fflush(stdout);
hFile = CreateFile(InFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
hFile = fopen(InFile, "rb");