void loom_asset_supply(const char *name, void *bits, int length)
{
loom_mutex_lock(gAssetLock);
// Prep the asset.
loom_asset_t *asset = loom_asset_getAssetByName(name, 1);
// Make sure it's pristine.
lmAssert(asset->state == loom_asset_t::Unloaded, "Can't supply an asset that's already queued or in process of loading. Supply assets before you make any asset requests!");
// Figure out the type from the path.
utString nameAsUt = name;
int type = loom_asset_recognizeAssetTypeFromPath(nameAsUt);
if (type == 0)
{
lmLog(gAssetLogGroup, "Could not infer type of supplied resource '%s', skipping it...", name);
asset->state = loom_asset_t::Unloaded;
return;
}
// Deserialize it.
LoomAssetCleanupCallback dtor = NULL;
void *assetBits = loom_asset_deserializeAsset(name, type, length, bits, &dtor);
// Instate the asset.
// TODO: We can save some memory by pointing directly and not making a copy.
asset->instate(type, assetBits, dtor);
// Note it's supplied so we don't flush it.
asset->isSupplied = 1;
loom_mutex_unlock(gAssetLock);
}
void loom_asset_pump()
{
// Currently we only want to do this on the main thread so piggy back on the
// native delegate sanity check to bail if on secondary thread.
if(platform_getCurrentThreadId() != LS::NativeDelegate::smMainThreadID && LS::NativeDelegate::smMainThreadID != 0xBAADF00D)
return;
loom_mutex_lock(gAssetLock);
// Talk to the asset server.
loom_asset_serviceServer();
// For now just blast all the data from each file into the asset.
while(gAssetLoadQueue.size())
{
loom_asset_t *asset = gAssetLoadQueue.front();
// Figure out the type from the path.
utString path = asset->name;
int type = loom_asset_recognizeAssetTypeFromPath(path);
if(type == 0)
{
lmLog(gAssetLogGroup, "Could not infer type of resource '%s', skipping it...", path.c_str());
asset->state = loom_asset_t::Unloaded;
gAssetLoadQueue.erase((UTsize)0, true);
continue;
}
// Open the file.
void *ptr;
long size;
if(!platform_mapFile(asset->name.c_str(), &ptr, &size))
{
lmAssert(false, "Could not open file '%s'.", asset->name.c_str());
}
// Deserialize it.
LoomAssetCleanupCallback dtor = NULL;
void *assetBits = loom_asset_deserializeAsset(path, type, size, ptr, &dtor);
// Close the file.
platform_unmapFile(ptr);
// Instate the asset.
asset->instate(type, assetBits, dtor);
// Done! Update queue.
gAssetLoadQueue.erase((UTsize)0, true);
}
loom_mutex_unlock(gAssetLock);
}
virtual bool handleMessage(int fourcc, AssetProtocolHandler *handler, NetworkBuffer& buffer)
{
switch (fourcc)
{
case LOOM_FOURCC('F', 'I', 'L', 'E'):
{
// How many pending files?
gPendingFiles = buffer.readInt();
loom_asset_notifyPendingCountChange();
// Read the filename.
char *path;
int fileStringLength;
buffer.readString(&path, &fileStringLength);
// And the file length.
int bitsLength = buffer.readInt();
// Checkpoint at end!
buffer.readCheckpoint(0xDEADBEE3);
// Prepare the buffer!
if (pendingFile != NULL)
{
lmLogError(gAssetLogGroup, "Got a new FILE '%s' while still processing existing file '%s'!", path, pendingFilePath.c_str());
wipePendingData();
}
// Update the pending file state.
pendingFilePath = path;
lmFree(NULL, path);
path = NULL;
pendingFileLength = bitsLength;
pendingFile = (const char *)lmAlloc(gAssetAllocator, pendingFileLength);
// Log it.
lmLogDebug(gAssetLogGroup, "FILE '%s' %d bytes incoming.", pendingFilePath.c_str(), bitsLength);
// Awesome, sit back and wait for chunks to come in.
return true;
}
case LOOM_FOURCC('F', 'C', 'H', 'K'):
{
// How many pending files?
gPendingFiles = buffer.readInt();
loom_asset_notifyPendingCountChange();
// Get the offset.
int chunkOffset = buffer.readInt();
// Read bits into the buffer.
char *fileBits;
int fileBitsLength;
buffer.readString(&fileBits, &fileBitsLength);
memcpy((void *)(pendingFile + chunkOffset), (void *)fileBits, fileBitsLength);
lmFree(NULL, fileBits);
// Checkpoint at end!
buffer.readCheckpoint(0xDEADBEE2);
int lastByteOffset = chunkOffset + fileBitsLength;
// Log it.
lmLogDebug(gAssetLogGroup, "FILE '%s' %d of %d bytes!", pendingFilePath.c_str(), lastByteOffset, pendingFileLength);
// If it's the last one, instate it and wipe our buffer.
if (lastByteOffset == pendingFileLength)
{
// And this resolves a file so decrement the pending count. This way
// we will get to zero.
gPendingFiles--;
loom_asset_notifyPendingCountChange();
// Instate the new asset data.
loom_asset_t *asset = loom_asset_getAssetByName(pendingFilePath.c_str(), 1);
int assetType = loom_asset_recognizeAssetTypeFromPath(pendingFilePath);
if (assetType == 0)
{
lmLogDebug(gAssetLogGroup, "Couldn't infer file type for '%s', ignoring.", pendingFilePath.c_str());
wipePendingData();
return true;
}
lmLogWarn(gAssetLogGroup, "Applying new version of '%s', %d bytes.", pendingFilePath.c_str(), pendingFileLength);
LoomAssetCleanupCallback dtor = NULL;
void *assetBits = loom_asset_deserializeAsset(pendingFilePath.c_str(), assetType, pendingFileLength, (void *)pendingFile, &dtor);
asset->instate(assetType, assetBits, dtor);
// And wipe the pending date.
wipePendingData();
}
}
return true;
}
return false;
}
