This commit is contained in:
Jettford
2023-11-22 01:40:09 +00:00
parent f8a01dead3
commit 1ea65b3549
11 changed files with 67 additions and 83 deletions

View File

@@ -152,13 +152,12 @@ bool AssetManager::GetFile(const char* name, char** data, uint32_t* len) {
return success;
}
AssetMemoryBuffer AssetManager::GetFileAsBuffer(const char* name) {
char* buf;
uint32_t len;
AssetStream AssetManager::GetFile(const char* name) {
char* buf; uint32_t len;
bool success = this->GetFile(name, &buf, &len);
return AssetMemoryBuffer(buf, len, success);
return AssetStream(buf, len, success);
}
uint32_t AssetManager::crc32b(uint32_t base, uint8_t* message, size_t l) {

View File

@@ -25,6 +25,10 @@ struct AssetMemoryBuffer : std::streambuf {
this->setg(base, base, base + n);
}
~AssetMemoryBuffer() {
free(m_Base);
}
pos_type seekpos(pos_type sp, std::ios_base::openmode which) override {
return seekoff(sp - pos_type(off_type(0)), std::ios_base::beg, which);
}
@@ -40,9 +44,17 @@ struct AssetMemoryBuffer : std::streambuf {
setg(eback(), eback() + off, egptr());
return gptr() - eback();
}
};
void close() {
free(m_Base);
struct AssetStream : std::istream {
AssetStream(char* base, std::ptrdiff_t n, bool success) : std::istream(new AssetMemoryBuffer(base, n, success)) {}
~AssetStream() {
delete rdbuf();
}
operator bool() {
return reinterpret_cast<AssetMemoryBuffer*>(rdbuf())->m_Success;
}
};
@@ -56,7 +68,7 @@ public:
bool HasFile(const char* name);
bool GetFile(const char* name, char** data, uint32_t* len);
AssetMemoryBuffer GetFileAsBuffer(const char* name);
AssetStream GetFile(const char* name);
private:
void LoadPackIndex();