int waitAnswer(int sock, uint32_t *pValue)
{
char str[128];
waitFrame(sock, str, 128);
sscanf(str,"%u", pValue);
return 0;
}
int remoteLCM(int sock, uint32_t n, uint32_t m, uint32_t *pResult)
{
char str[32];
sprintf(str,"lcm %u %u$",n,m);
send(sock,str,strlen(str),0);
waitFrame(sock, str, 32);
sscanf(str, "%u", pResult);
return 0;
}
int waitMessage(int sock, PMESSAGE pMessage)
{
char str[128], strMessage[16];
if(waitFrame(sock, str, 128)==-1) return -1;
sscanf(str,"%s%u%u",strMessage, &(pMessage->param1), &(pMessage->param2));
if(strcmp(strMessage,"lcm")==0) pMessage->type=LCM;
else pMessage->type=GCD;
return 0;
}
bool VDXPlayer::playFrameInternal() {
byte currRes = 0x80;
Common::ReadStream *vdxData = 0;
while (currRes == 0x80) {
currRes = _file->readByte();
// Skip unknown data: 1 byte, ref Edward
byte tmp = _file->readByte();
uint32 compSize = _file->readUint32LE();
uint8 lengthmask = _file->readByte();
uint8 lengthbits = _file->readByte();
if (_file->eos())
break;
debugC(5, kGroovieDebugVideo | kGroovieDebugUnknown | kGroovieDebugAll, "Groovie::VDX: Edward = 0x%04X", tmp);
// Read the chunk data and decompress if needed
if (compSize)
vdxData = _file->readStream(compSize);
if (lengthmask && lengthbits) {
Common::ReadStream *decompData = new LzssReadStream(vdxData, lengthmask, lengthbits);
delete vdxData;
vdxData = decompData;
}
// Use the current chunk
switch (currRes) {
case 0x00:
debugC(6, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::VDX: Replay frame");
break;
case 0x20:
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::VDX: Still frame");
getStill(vdxData);
break;
case 0x25:
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::VDX: Animation frame");
getDelta(vdxData);
break;
case 0x80:
debugC(5, kGroovieDebugVideo | kGroovieDebugAll, "Groovie::VDX: Sound resource");
chunkSound(vdxData);
break;
default:
error("Groovie::VDX: Invalid resource type: %d", currRes);
}
delete vdxData;
vdxData = 0;
}
// Wait until the current frame can be shown
if (!DebugMan.isDebugChannelEnabled(kGroovieDebugFast)) {
waitFrame();
}
// TODO: Move it to a better place
// Update the screen
if (currRes == 0x25) {
//if (_flagSeven) {
//_vm->_graphicsMan->mergeFgAndBg();
//}
_vm->_graphicsMan->updateScreen(_bg);
}
// Report the end of the video if we reached the end of the file or if we
// just wanted to play one frame.
if (_file->eos() || _flagFirstFrame) {
_origX = _origY = 0;
return 1;
} else {
return 0;
}
}
