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Null ptr check on AssetBundle loading

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This commit is contained in:
Sinai 2021-11-30 17:31:49 +11:00
parent 8123ec2412
commit 077a2b434a
1 changed files with 26 additions and 25 deletions
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51
src/Core/Runtime/Il2Cpp/AssetBundle.cs
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@ -20,36 +20,43 @@ namespace UnityExplorer
// ~~~~~~~~~~~~ Static ~~~~~~~~~~~~ // ~~~~~~~~~~~~ Static ~~~~~~~~~~~~
// AssetBundle.LoadFromFile(string path)
internal delegate IntPtr d_LoadFromFile(IntPtr path, uint crc, ulong offset); internal delegate IntPtr d_LoadFromFile(IntPtr path, uint crc, ulong offset);
[HideFromIl2Cpp] [HideFromIl2Cpp]
public static AssetBundle LoadFromFile(string path) public static AssetBundle LoadFromFile(string path)
{ {
var iCall = ICallManager.GetICall<d_LoadFromFile>("UnityEngine.AssetBundle::LoadFromFile_Internal"); IntPtr ptr = ICallManager.GetICall<d_LoadFromFile>("UnityEngine.AssetBundle::LoadFromFile_Internal")
var ptr = iCall(IL2CPP.ManagedStringToIl2Cpp(path), 0u, 0UL); .Invoke(IL2CPP.ManagedStringToIl2Cpp(path), 0u, 0UL);
return new AssetBundle(ptr);
return ptr != IntPtr.Zero ? new AssetBundle(ptr) : null;
} }
// AssetBundle.LoadFromMemory(byte[] binary)
private delegate IntPtr d_LoadFromMemory(IntPtr binary, uint crc); private delegate IntPtr d_LoadFromMemory(IntPtr binary, uint crc);
[HideFromIl2Cpp] [HideFromIl2Cpp]
public static AssetBundle LoadFromMemory(byte[] binary, uint crc = 0) public static AssetBundle LoadFromMemory(byte[] binary, uint crc = 0)
{ {
var iCall = ICallManager.GetICall<d_LoadFromMemory>("UnityEngine.AssetBundle::LoadFromMemory_Internal"); IntPtr ptr = ICallManager.GetICall<d_LoadFromMemory>("UnityEngine.AssetBundle::LoadFromMemory_Internal")
var ptr = iCall(((Il2CppStructArray<byte>)binary).Pointer, crc); .Invoke(((Il2CppStructArray<byte>)binary).Pointer, crc);
return new AssetBundle(ptr);
return ptr != IntPtr.Zero ? new AssetBundle(ptr) : null;
} }
// AssetBundle.GetAllLoadedAssetBundles()
public delegate IntPtr d_GetAllLoadedAssetBundles_Native(); public delegate IntPtr d_GetAllLoadedAssetBundles_Native();
[HideFromIl2Cpp] [HideFromIl2Cpp]
public static AssetBundle[] GetAllLoadedAssetBundles() public static AssetBundle[] GetAllLoadedAssetBundles()
{ {
var iCall = ICallManager.GetICall<d_GetAllLoadedAssetBundles_Native>("UnityEngine.AssetBundle::GetAllLoadedAssetBundles_Native"); IntPtr ptr = ICallManager.GetICall<d_GetAllLoadedAssetBundles_Native>("UnityEngine.AssetBundle::GetAllLoadedAssetBundles_Native")
var ptr = iCall(); .Invoke();
if (ptr == IntPtr.Zero)
return null; return ptr != IntPtr.Zero ? (AssetBundle[])new Il2CppReferenceArray<AssetBundle>(ptr) : null;
return (AssetBundle[])new Il2CppReferenceArray<AssetBundle>(ptr);
} }
// ~~~~~~~~~~~~ Instance ~~~~~~~~~~~~ // ~~~~~~~~~~~~ Instance ~~~~~~~~~~~~
@ -65,13 +72,10 @@ namespace UnityExplorer
[HideFromIl2Cpp] [HideFromIl2Cpp]
public UnityEngine.Object[] LoadAllAssets() public UnityEngine.Object[] LoadAllAssets()
{ {
var iCall = ICallManager.GetICall<d_LoadAssetWithSubAssets_Internal>("UnityEngine.AssetBundle::LoadAssetWithSubAssets_Internal"); IntPtr ptr = ICallManager.GetICall<d_LoadAssetWithSubAssets_Internal>("UnityEngine.AssetBundle::LoadAssetWithSubAssets_Internal")
var ptr = iCall.Invoke(m_bundlePtr, IL2CPP.ManagedStringToIl2Cpp(""), UnhollowerRuntimeLib.Il2CppType.Of<UnityEngine.Object>().Pointer); .Invoke(m_bundlePtr, IL2CPP.ManagedStringToIl2Cpp(""), UnhollowerRuntimeLib.Il2CppType.Of<UnityEngine.Object>().Pointer);
if (ptr == IntPtr.Zero) return ptr != IntPtr.Zero ? (UnityEngine.Object[])new Il2CppReferenceArray<UnityEngine.Object>(ptr) : new UnityEngine.Object[0];
return new UnityEngine.Object[0];
return new Il2CppReferenceArray<UnityEngine.Object>(ptr);
} }
// LoadAsset<T>(string name, Type type) // LoadAsset<T>(string name, Type type)
@ -81,13 +85,10 @@ namespace UnityExplorer
[HideFromIl2Cpp] [HideFromIl2Cpp]
public T LoadAsset<T>(string name) where T : UnityEngine.Object public T LoadAsset<T>(string name) where T : UnityEngine.Object
{ {
var iCall = ICallManager.GetICall<d_LoadAsset_Internal>("UnityEngine.AssetBundle::LoadAsset_Internal"); IntPtr ptr = ICallManager.GetICall<d_LoadAsset_Internal>("UnityEngine.AssetBundle::LoadAsset_Internal")
var ptr = iCall.Invoke(m_bundlePtr, IL2CPP.ManagedStringToIl2Cpp(name), UnhollowerRuntimeLib.Il2CppType.Of<T>().Pointer); .Invoke(m_bundlePtr, IL2CPP.ManagedStringToIl2Cpp(name), UnhollowerRuntimeLib.Il2CppType.Of<T>().Pointer);
if (ptr == IntPtr.Zero) return ptr != IntPtr.Zero ? new UnityEngine.Object(ptr).TryCast<T>() : null;
return null;
return new UnityEngine.Object(ptr).TryCast<T>();
} }
// Unload(bool unloadAllLoadedObjects); // Unload(bool unloadAllLoadedObjects);
@ -97,8 +98,8 @@ namespace UnityExplorer
[HideFromIl2Cpp] [HideFromIl2Cpp]
public void Unload(bool unloadAllLoadedObjects) public void Unload(bool unloadAllLoadedObjects)
{ {
var iCall = ICallManager.GetICall<d_Unload>("UnityEngine.AssetBundle::Unload"); ICallManager.GetICall<d_Unload>("UnityEngine.AssetBundle::Unload")
iCall.Invoke(this.m_bundlePtr, unloadAllLoadedObjects); .Invoke(this.m_bundlePtr, unloadAllLoadedObjects);
} }
} }
} }