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Added eagames.bmp reading to the LoginScreen scene.

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Added BCON parsing functionality contributed by Propeng.
This commit is contained in:
Fatbag 2012-04-08 12:20:25 -05:00
parent cb751c0bb8
commit 7d9259b63d
13 changed files with 157 additions and 54 deletions
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47
Libraries/FileHandler/iff/chunks.c
View file

@ -25,13 +25,54 @@ int iff_parse_chunk(IFFChunk * ChunkInfo, const uint8_t * Buffer){
!strcmp(ChunkInfo->Type, "FAMs") ||
!strcmp(ChunkInfo->Type, "TTAs") )
return iff_parse_str(ChunkInfo, Buffer);
if( !strcmp(ChunkInfo->Type, "BCON") )
return iff_parse_bcon(ChunkInfo, Buffer);
return 0;
}
int iff_parse_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned IFFSize){
return 1;
}
int iff_parse_bcon(IFFChunk * ChunkInfo, const uint8_t * Buffer){
IFF_BCON *BCONData;
unsigned Size = ChunkInfo->Size - 76;
unsigned i;
if(Size < 2)
return 0;
ChunkInfo->FormattedData = malloc(sizeof(IFF_BCON));
if(ChunkInfo->FormattedData == NULL)
return 0;
BCONData = (IFF_BCON*) ChunkInfo->FormattedData;
BCONData->ConstantCount = read_uint8le(Buffer);
BCONData->Flags = read_uint8le(Buffer + 1);
if(BCONData->ConstantCount == 0)
return 1;
if(BCONData->ConstantCount * 2 > 255*2){
free(ChunkInfo->FormattedData);
return 0;
}
BCONData->Constants = malloc(BCONData->ConstantCount * sizeof(uint16_t));
if(BCONData->Constants == NULL){
free(ChunkInfo->FormattedData);
return 0;
}
Buffer += 2;
for(i=0; i<BCONData->ConstantCount; i++, Buffer += 2)
BCONData->Constants[i] = read_uint16le(Buffer);
return 1;
}
int iff_parse_str(IFFChunk * ChunkInfo, const uint8_t * Buffer){
/* No bounds checking yet */
IFF_STR * StringData;
unsigned Size = ChunkInfo->Size - 76;
if(Size < 2)
return 0;
ChunkInfo->FormattedData = malloc(sizeof(IFF_STR));
@ -254,9 +295,7 @@ int iff_parse_str(IFFChunk * ChunkInfo, const uint8_t * Buffer){
} return 1;
}
return 0;
}
int iff_parse_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned IFFSize){
return 1;
free(ChunkInfo->FormattedData);
return 0;
}

12
Libraries/FileHandler/iff/iff.h
View file

@ -71,6 +71,15 @@ static const uint8_t Header_IFF[] = "IFF FILE 2.5:TYPE FOLLOWED BY SIZE\0 JAMIE
** IFF chunk structs
*/
/* BCON chunk */
typedef struct IFF_BCON_struct
{
uint8_t ConstantCount;
uint8_t Flags;
uint16_t * Constants;
} IFF_BCON;
/* STR# chunk */
enum IFFLanguage {
@ -147,8 +156,9 @@ void iff_delete(IFFFile * IFFFileInfo);
** IFF chunk functions
*/
int iff_parse_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned IFFSize);
int iff_parse_chunk(IFFChunk * ChunkInfo, const uint8_t * Buffer);
int iff_parse_rsmp(IFFChunk * ChunkInfo, const uint8_t * Buffer, unsigned IFFSize);
int iff_parse_bcon(IFFChunk * ChunkInfo, const uint8_t * Buffer);
int iff_parse_str(IFFChunk * ChunkInfo, const uint8_t * Buffer);
#ifdef __cplusplus