int64_t Dx_FileRead_size(const char *filename) {
SDL_RWops *rwops = Dx_File_OpenStream(filename);
if (rwops != NULL) {
int64_t size = rwops->size(rwops);
rwops->close(rwops);
return size;
}
return 0;
}
void AddResource(ResourceManager resourceManager, std::string identifier, ResourceType resourceType) {
ResourceHandle resourceHandle = CreateResourceHandle(resourceType);
switch (resourceType) {
case TEXTURE: {
std::string strId = resourceManager->assetBaseDir + identifier;
resourceHandle->textureRes->texture = IMG_LoadTexture(resourceManager->renderer, strId.c_str());
if(!resourceHandle->textureRes->texture) {
LOGE("Unable to load resource: %s\n", strId.c_str());
FreeResourceHandle(resourceManager, resourceHandle);
assert(0);
}
resourceHandle->textureRes->name = identifier; }
break;
case TMX_MAP: {
std::string strId = resourceManager->assetBaseDir + identifier;
resourceHandle->tmxMapResource->map.ParseFile(strId);
break;
}
case ENTITY: {
std::string strId = resourceManager->assetBaseDir + identifier;
SDL_RWops * file = SDL_RWFromFile (strId.c_str(), "rb");
if (!file) {
assert(0);
}
int fileSize = file->size(file);
if (fileSize <= 0) {
assert(0);
}
char* fileText = new char[fileSize + 1];
fileText[fileSize] = 0;
file->read(file, fileText, 1, fileSize);
file->close(file);
std::string text(fileText, fileText+fileSize);
delete [] fileText;
resourceHandle->entityTemplateResource->xml.Parse(text.c_str());
break;
}
default:
assert(0);
}
resourceManager->resources[identifier] = resourceHandle;
}
std::string LoadAllText(std::string file)
{
SDL_RWops *rw = SDL_RWFromFile(file.c_str(), "r");
auto size = rw->size(rw);
char* script = new char[size + 1];
memset(script, 0, size + 1);
rw->read(rw, script, sizeof(char), size);
rw->close(rw);
std::string result = script;
delete[] script;
return result;
}
void Purity::LuaManager::doFile(const std::string& luaFileName)
{
SDL_RWops* file = SDL_RWFromFile(luaFileName.c_str(), "rb");
int fileSize = file->size(file);
char* fileContents = new char[fileSize + 1];
file->read(file, fileContents, 1, fileSize);
fileContents[fileSize] = '\0';
file->close(file);
luaL_dostring(mLuaState, fileContents);
delete [] fileContents;
}
void Purity::Font::loadFont()
{
SDL_RWops* fontFile = SDL_RWFromFile(mFontFileName.c_str(), "rb");
if (fontFile == nullptr)
{
std::cerr << "Error loading font file"
<< ": " << SDL_GetError() << std::endl;
}
const auto fontFileSize = fontFile->size(fontFile);
mFontData.reserve(fontFileSize);
fontFile->read(fontFile, &mFontData[0], 1, fontFileSize);
fontFile->close(fontFile);
}
int SDLJBN_AddMappingsFromFile(const char *file)
{
int ret = 0;
char *s = NULL;
SDLJBN_Init();
SDL_RWops *rwops = SDL_RWFromFile(file, "r");
if (rwops == NULL)
{
err = "Cannot open file";
ret = -1;
goto bail;
}
// Read file into memory
const Sint64 fsize = rwops->size(rwops);
if (fsize == -1)
{
err = "Cannot find file size";
ret = -1;
goto bail;
}
s = SDL_malloc((size_t)fsize + 1);
if (s == NULL)
{
err = "Out of memory";
ret = -1;
goto bail;
}
if (SDL_RWread(rwops, s, (size_t)fsize, 1) == 0)
{
err = "Cannot read file";
ret = -1;
goto bail;
}
s[fsize] = '\0';
ret = ReadMappingsString(s);
bail:
SDL_RWclose(rwops);
SDL_free(s);
return ret;
}
extern warp_result_t read_file(const char *path, warp_array_t *out_buffer) {
SDL_RWops *io = SDL_RWFromFile(path, "r");
if (io == NULL) {
return warp_failure("Cannot open the file: %s.", path);
}
Sint64 size = io->size(io);
char *content = malloc(sizeof (char) * (size + 1));
if (content == NULL) {
io->close(io);
return warp_failure("Cannot allocate file buffer for file: %s", path);
}
if (io->read(io, content, size, 1) == 0) {
free(content);
io->close(io);
return warp_failure("Error while reading file: %s.", path);
}
io->close(io);
content[size] = '\0';
*out_buffer = warp_array_create_from_buffer(content, sizeof (char), size + 1, NULL);
free(content);
return warp_success();
}
void
APKProtocol::load()
{
auto resolvedFilename = this->resolvedFilename();
auto options = _options;
auto protocolPrefixPosition = resolvedFilename.find("://");
if (protocolPrefixPosition != std::string::npos)
{
resolvedFilename = resolvedFilename.substr(protocolPrefixPosition + 3);
}
if (resolvedFilename.find("./") == 0u)
{
resolvedFilename = resolvedFilename.substr(2u);
}
_options = options;
SDL_RWops* file = SDL_RWFromFile(resolvedFilename.c_str(), "rb");
auto loader = shared_from_this();
if (file)
{
if (_options->loadAsynchronously() &&
AbstractCanvas::defaultCanvas() != nullptr &&
AbstractCanvas::defaultCanvas()->isWorkerRegistered("apk-protocol"))
{
file->close(file);
auto worker = AbstractCanvas::defaultCanvas()->getWorker("apk-protocol");
auto instance = std::static_pointer_cast<APKProtocol>(shared_from_this());
_workerSlot = worker->message()->connect(
[this, instance](async::Worker::Ptr, async::Worker::Message message)
{
if (message.type == "complete")
{
data().assign(message.data.begin(), message.data.end());
complete()->execute(instance);
_activeInstances.erase(instance);
_workerSlot = nullptr;
}
else if (message.type == "progress")
{
// FIXME
}
else if (message.type == "error")
{
error()->execute(instance);
_activeInstances.erase(instance);
_workerSlot = nullptr;
}
}
);
auto offset = options->seekingOffset();
auto length = options->seekedLength();
std::stringstream inputStream;
inputStream.write(reinterpret_cast<const char*>(&offset), 4u);
inputStream.write(reinterpret_cast<const char*>(&length), 4u);
inputStream.write(resolvedFilename.data(), resolvedFilename.size());
const auto input = inputStream.str();
worker->start(std::vector<char>(input.begin(), input.end()));
}
else
{
auto offset = options->seekingOffset();
auto size = options->seekedLength() > 0 ? options->seekedLength() : file->size(file);
_progress->execute(shared_from_this(), 0.0);
data().resize(size);
file->seek(file, offset, RW_SEEK_SET);
file->read(file, (char*) &data()[0], size, 1);
file->close(file);
_progress->execute(loader, 1.0);
_complete->execute(shared_from_this());
}
}
else
{
_error->execute(shared_from_this());
}
}
void Map::ParseFile(const string &fileName)
{
file_name = fileName;
int lastSlash = fileName.find_last_of("/");
// Get the directory of the file using substring.
if (lastSlash > 0)
{
file_path = fileName.substr(0, lastSlash + 1);
}
else
{
file_path = "";
}
char* fileText;
int fileSize;
// Open the file for reading.
#ifdef USE_SDL2_LOAD
SDL_RWops * file = SDL_RWFromFile (fileName.c_str(), "rb");
#else
FILE *file = fopen(fileName.c_str(), "rb");
#endif
// Check if the file could not be opened.
if (!file)
{
has_error = true;
error_code = TMX_COULDNT_OPEN;
error_text = "Could not open the file.";
return;
}
// Find out the file size.
#ifdef USE_SDL2_LOAD
fileSize = file->size(file);
#else
fseek(file, 0, SEEK_END);
fileSize = ftell(file);
fseek(file, 0, SEEK_SET);
#endif
// Check if the file size is valid.
if (fileSize <= 0)
{
has_error = true;
error_code = TMX_INVALID_FILE_SIZE;
error_text = "The size of the file is invalid.";
return;
}
// Allocate memory for the file and read it into the memory.
fileText = new char[fileSize + 1];
fileText[fileSize] = 0;
#ifdef USE_SDL2_LOAD
file->read(file, fileText, 1, fileSize);
#else
fread(fileText, 1, fileSize, file);
#endif
#ifdef USE_SDL2_LOAD
file->close(file);
#else
fclose(file);
#endif
// Copy the contents into a C++ string and delete it from memory.
std::string text(fileText, fileText+fileSize);
delete [] fileText;
ParseText(text);
}