static ILboolean ParseChunks(PSP_CTX *ctx)
{
BLOCKHEAD Block;
ILuint Pos;
do {
if (SIOread(ctx->io, &Block, 1, sizeof(Block)) != sizeof(Block)) {
iPopError(); // Get rid of the erroneous IL_FILE_READ_ERROR.
break;
}
if (ctx->Header.MajorVersion == 3) {
Block.BlockLen = GetLittleUInt(ctx->io);
} else {
UInt(&Block.BlockLen);
}
if ( Block.HeadID[0] != 0x7E || Block.HeadID[1] != 0x42
|| Block.HeadID[2] != 0x4B || Block.HeadID[3] != 0x00 ) {
break;
}
UShort(&Block.BlockID);
UInt(&Block.BlockLen);
Pos = SIOtell(ctx->io);
switch (Block.BlockID)
{
case PSP_LAYER_START_BLOCK:
if (!ReadLayerBlock(ctx))
return IL_FALSE;
break;
case PSP_ALPHA_BANK_BLOCK:
if (!ReadAlphaBlock(ctx))
return IL_FALSE;
break;
case PSP_COLOR_BLOCK:
if (!ReadPalette(ctx))
return IL_FALSE;
break;
// Gets done in the next iseek, so this is now commented out.
//default:
//SIOseek(ctx->io, Block.BlockLen, IL_SEEK_CUR);
}
// Skip to next block just in case we didn't read the entire block.
SIOseek(ctx->io, Pos + Block.BlockLen, IL_SEEK_SET);
// @TODO: Do stuff here.
} while (1);
return IL_TRUE;
}
ILboolean ParseChunks(PspLoadState* state, ILimage* image)
{
BLOCKHEAD Block;
do {
if (image->io.read(&image->io, &Block, 1, sizeof(Block)) != sizeof(Block)) {
il2GetError(); // Get rid of the erroneous IL_FILE_READ_ERROR.
return IL_TRUE;
}
if (state->Header.MajorVersion == 3)
Block.BlockLen = GetLittleUInt(&image->io);
else
UInt(&Block.BlockLen);
if (Block.HeadID[0] != 0x7E || Block.HeadID[1] != 0x42 ||
Block.HeadID[2] != 0x4B || Block.HeadID[3] != 0x00) {
return IL_TRUE;
}
UShort(&Block.BlockID);
UInt(&Block.BlockLen);
auto Pos = image->io.tell(&image->io);
switch (Block.BlockID)
{
case PSP_LAYER_START_BLOCK:
if (!ReadLayerBlock(state, Block.BlockLen, image))
return IL_FALSE;
break;
case PSP_ALPHA_BANK_BLOCK:
if (!ReadAlphaBlock(state, Block.BlockLen, image))
return IL_FALSE;
break;
case PSP_COLOR_BLOCK:
if (!ReadPalette(state, Block.BlockLen, image))
return IL_FALSE;
break;
// Gets done in the next iseek, so this is now commented out.
//default:
//image->io.seek(&image->io, Block.BlockLen, IL_SEEK_CUR);
}
// Skip to next block just in case we didn't read the entire block.
image->io.seek(&image->io, Pos + Block.BlockLen, IL_SEEK_SET);
// @TODO: Do stuff here.
} while (1);
return IL_TRUE;
}
