//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of NVIDIA CORPORATION nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.


#include "../SnippetCommon/SnippetCommon.h"

#include "destructible/DestructibleAsset.h"
#include "destructible/DestructibleActor.h"
#include "nvparameterized/NvParameterized.h"
#include "nvparameterized/NvParamUtils.h"

#include <legacy/ModuleLegacy.h>

#include "PsString.h"

#include <sys/stat.h>

using namespace nvidia::apex;

class MyResourceCallback;

ApexSDK*					gApexSDK = NULL;
DummyRenderResourceManager* gDummyRenderResourceManager = NULL;
MyResourceCallback*			gMyResourceCallback = NULL;

ModuleDestructible*			gModuleDestructible = NULL;

Scene*						gApexScene = NULL;

class MyResourceCallback : public ResourceCallback
{
public:
	virtual void* requestResource(const char* nameSpace, const char* name)
	{
		Asset* asset = 0;

		if (!physx::shdfnd::strcmp(nameSpace, DESTRUCTIBLE_AUTHORING_TYPE_NAME))
		{
			const char* path = name;

			// does file exists?
			if (isFileExist(path))
			{
				PxFileBuf* stream = gApexSDK->createStream(path, PxFileBuf::OPEN_READ_ONLY);

				if (stream)
				{
					NvParameterized::Serializer::SerializeType serType = gApexSDK->getSerializeType(*stream);
					NvParameterized::Serializer::ErrorType serError;
					NvParameterized::Serializer*  ser = gApexSDK->createSerializer(serType);
					PX_ASSERT(ser);

					NvParameterized::Serializer::DeserializedData data;
					serError = ser->deserialize(*stream, data);

					if (serError == NvParameterized::Serializer::ERROR_NONE && data.size() == 1)
					{
						NvParameterized::Interface* params = data[0];
						asset = gApexSDK->createAsset(params, name);
						PX_ASSERT(asset && "ERROR Creating NvParameterized Asset");
					}
					else
					{
						PX_ASSERT(0 && "ERROR Deserializing NvParameterized Asset");
					}

					stream->release();
					ser->release();
				}
			}
		}

		PX_ASSERT(asset);
		return asset;
	}

	virtual void  releaseResource(const char*, const char*, void* resource)
	{
		Asset* asset = (Asset*)resource;
		gApexSDK->releaseAsset(*asset);
	}
};


void initApex()
{
	// Fill out the Apex SDKriptor
	ApexSDKDesc apexDesc;

	// Apex needs an allocator and error stream.  By default it uses those of the PhysX SDK.

	// Let Apex know about our PhysX SDK and cooking library
	apexDesc.physXSDK = gPhysics;
	apexDesc.cooking = gCooking;
	apexDesc.pvd = gPvd;

	// Our custom dummy render resource manager
	gDummyRenderResourceManager = new DummyRenderResourceManager();
	apexDesc.renderResourceManager = gDummyRenderResourceManager;

	// Our custom named resource handler
	gMyResourceCallback = new MyResourceCallback();
	apexDesc.resourceCallback = gMyResourceCallback;
	apexDesc.foundation = gFoundation;

	// Finally, create the Apex SDK
	ApexCreateError error;
	gApexSDK = CreateApexSDK(apexDesc, &error);
	PX_ASSERT(gApexSDK);

#if APEX_MODULES_STATIC_LINK
	nvidia::apex::instantiateModuleDestructible();
	nvidia::apex::instantiateModuleLegacy();
#endif

	// Initialize destructible module
	gModuleDestructible = static_cast<ModuleDestructible*>(gApexSDK->createModule("Destructible"));
	NvParameterized::Interface* params = gModuleDestructible->getDefaultModuleDesc();
	gModuleDestructible->init(*params);

	// Initialize legacy module
	Module* legacy = (gApexSDK->createModule("Legacy"));
	legacy->init(*legacy->getDefaultModuleDesc());

	// Create Apex scene
	SceneDesc sceneDesc;
	sceneDesc.scene = gPhysicsScene;
	gApexScene = gApexSDK->createScene(sceneDesc);
}

Asset* loadApexAsset(const char* path)
{
	Asset* asset = static_cast<Asset*>(gApexSDK->getNamedResourceProvider()->getResource(DESTRUCTIBLE_AUTHORING_TYPE_NAME, path));
	return asset;
}

void releaseAPEX()
{
	gApexSDK->release();
	delete gDummyRenderResourceManager;
	delete gMyResourceCallback;
}


void snippetMain(const char* rootPath)
{
	initPhysX();
	initApex();

	std::string path;
	path.append(rootPath);
	path.append("/snippets/SnippetCommon/Wall.apx");

	Asset* asset = loadApexAsset(path.c_str());

	DestructibleAsset* destructibleAsset = static_cast<DestructibleAsset*>(asset);

	NvParameterized::Interface* actorDesc = destructibleAsset->getDefaultActorDesc();

	PxTransform t(PxIdentity);
	t.p = PxVec3(0, 5, 0);
	NvParameterized::setParamTransform(*actorDesc, "globalPose", t);
	NvParameterized::setParamBool(*actorDesc, "dynamic", true);

	shdfnd::printFormatted("isValidForActorCreation: %d\n", destructibleAsset->isValidForActorCreation(*actorDesc, *gApexScene));

	DestructibleActor* actor = static_cast<DestructibleActor*>(destructibleAsset->createApexActor(*actorDesc, *gApexScene));

	actor->release();
	asset->release();

	releaseAPEX();
	releasePhysX();
}