From 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 Mon Sep 17 00:00:00 2001
From: git perforce import user <a@b>
Date: Tue, 25 Oct 2016 12:29:14 -0600
Subject: Initial commit: PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @
 21275617

[CL 21300167]
---
 PhysX_3.4/Samples/SampleBase/RawLoader.cpp | 415 +++++++++++++++++++++++++++++
 1 file changed, 415 insertions(+)
 create mode 100644 PhysX_3.4/Samples/SampleBase/RawLoader.cpp

(limited to 'PhysX_3.4/Samples/SampleBase/RawLoader.cpp')

diff --git a/PhysX_3.4/Samples/SampleBase/RawLoader.cpp b/PhysX_3.4/Samples/SampleBase/RawLoader.cpp
new file mode 100644
index 00000000..05151a8d
--- /dev/null
+++ b/PhysX_3.4/Samples/SampleBase/RawLoader.cpp
@@ -0,0 +1,415 @@
+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  
+
+
+// PT: this file is a loader for "raw" binary files. It should NOT create SDK objects directly.
+
+#include <stdio.h>
+#include "foundation/PxPreprocessor.h"
+#include "RawLoader.h"
+#include "RendererColor.h"
+#include "RendererMemoryMacros.h"
+#include "SampleAllocatorSDKClasses.h"
+#include "PxTkFile.h"
+
+using namespace SampleRenderer;
+
+RAWObject::RAWObject() : mName(NULL)
+{
+	mTransform = PxTransform(PxIdentity);
+}
+
+RAWTexture::RAWTexture() :
+	mID			(0xffffffff),
+	mWidth		(0),
+	mHeight		(0),
+	mHasAlpha	(false),
+	mPixels		(NULL)
+{
+}
+
+RAWMesh::RAWMesh() :
+	mNbVerts		(0),
+	mNbFaces		(0),
+	mMaterialID		(0xffffffff),
+	mVerts			(NULL),
+	mVertexNormals	(NULL),
+	mVertexColors	(NULL),
+	mUVs			(NULL),
+	mIndices		(NULL)
+{
+}
+
+RAWShape::RAWShape() :
+	mNbVerts	(0),
+	mVerts		(NULL)
+{
+}
+
+RAWHelper::RAWHelper()
+{
+}
+
+RAWMaterial::RAWMaterial() :
+	mID				(0xffffffff),
+	mDiffuseID		(0xffffffff),
+	mOpacity		(1.0f),
+	mDoubleSided	(false)
+{
+	mAmbientColor	= PxVec3(0);
+	mDiffuseColor	= PxVec3(0);
+	mSpecularColor	= PxVec3(0);
+}
+
+#if PX_INTEL_FAMILY
+	static const bool gFlip = false;
+#elif PX_PPC
+	static const bool gFlip = true;
+#elif PX_ARM_FAMILY
+	static const bool gFlip = false;
+#else
+	#error Unknown platform!
+#endif
+
+	PX_INLINE void Flip(PxU32& v)
+	{
+		PxU8* b = (PxU8*)&v;
+
+        PxU8 temp = b[0];
+		b[0] = b[3];
+		b[3] = temp;
+		temp = b[1];
+		b[1] = b[2];
+		b[2] = temp;
+	}
+
+	PX_INLINE void Flip(PxI32& v)
+	{
+		Flip((PxU32&)v);
+	}
+
+	PX_INLINE void Flip(PxF32& v)
+	{
+		Flip((PxU32&)v);
+	}
+
+static PxU8 read8(File* fp)
+{
+	PxU8 data;
+	size_t numRead = fread(&data, 1, 1, fp);
+	if(numRead != 1) { return 0; }
+	return data;
+}
+
+static PxU32 read32(File* fp)
+{
+	PxU32 data;
+	size_t numRead = fread(&data, 1, 4, fp);
+	if(numRead != 4) { return 0; }
+	if(gFlip)
+		Flip(data);
+	return data;
+}
+
+static PxF32 readFloat(File* fp)
+{
+	PxF32 data;
+	size_t numRead = fread(&data, 1, 4, fp);
+	if(numRead != 4) { return 0; }
+	if(gFlip)
+		Flip(data);
+	return data;
+}
+
+static PxTransform readTransform(File* fp, PxReal scale)
+{
+	PxTransform tr;
+	tr.p.x = scale * readFloat(fp);
+	tr.p.y = scale * readFloat(fp);
+	tr.p.z = scale * readFloat(fp);
+
+	tr.q.x = readFloat(fp);
+	tr.q.y = readFloat(fp);
+	tr.q.z = readFloat(fp);
+	tr.q.w = readFloat(fp);
+
+	PX_ASSERT(tr.isValid());
+
+	return tr;
+}
+
+static void readVertexArray(File* fp, PxVec3* verts, PxU32 nbVerts)
+{
+	const size_t size = 4*3*nbVerts;
+	size_t numRead = fread(verts, 1, size, fp);
+	if(numRead != size) { return; }
+
+	if(gFlip)
+	{
+		for(PxU32 j=0;j<nbVerts;j++)
+		{
+			Flip(verts[j].x);
+			Flip(verts[j].y);
+			Flip(verts[j].z);
+		}
+	}
+}
+
+static void readUVs(File* fp, PxReal* uvs, PxU32 nbVerts)
+{
+	const size_t size = 4*2*nbVerts;
+	size_t numRead = fread(uvs, 1, size, fp);
+	if(numRead != size) { return; }
+
+	if(gFlip)
+	{
+		for(PxU32 j=0;j<nbVerts*2;j++)
+			Flip(uvs[j]);
+	}
+}
+
+static void readVertices(File* fp, PxVec3* verts, PxU32 nbVerts, PxReal scale)
+{
+	readVertexArray(fp, verts, nbVerts);
+
+	for(PxU32 j=0;j<nbVerts;j++)
+		verts[j] *= scale;
+}
+
+static void readNormals(File* fp, PxVec3* verts, PxU32 nbVerts)
+{
+	readVertexArray(fp, verts, nbVerts);
+}
+
+static void readVertexColors(File* fp, PxVec3* colors, PxU32 nbVerts)
+{
+	readVertexArray(fp, colors, nbVerts);
+}
+
+static void readName(File* fp, char* objectName)
+{
+	PxU32 offset=0;
+	char c;
+	do
+	{
+		size_t numRead = fread(&c, 1, 1, fp);
+		if(numRead != 1) { c = '\0';}
+		objectName[offset++] = c;
+	}while(c);
+	objectName[offset]=0;
+}
+
+bool loadRAWfile(const char* filename, RAWImportCallback& cb, PxReal scale)
+{
+	File* fp = NULL;
+	PxToolkit::fopen_s(&fp, filename, "rb");
+	if(!fp)
+		return false;
+
+	// General info
+	const PxU32 tag				= read32(fp);
+	const PxU32 generalVersion	= read32(fp);
+	const PxU32 nbMaterials		= read32(fp);
+	const PxU32 nbTextures		= read32(fp);
+	const PxU32 nbMeshes		= read32(fp);
+	const PxU32 nbShapes		= read32(fp);
+	const PxU32 nbHelpers		= read32(fp);
+
+	(void)tag;
+	(void)generalVersion;
+	char objectName[512];
+
+	// Textures
+	for(PxU32 i=0;i<nbTextures;i++)
+	{
+		RAWTexture data;
+
+		readName(fp, objectName);
+		data.mName				= objectName;
+		data.mTransform			= PxTransform(PxIdentity);	// PT: texture transform not supported yet
+		data.mID				= read32(fp);
+
+		RendererColorAlloc* pixels = NULL;
+		if(read8(fp))
+		{
+			data.mWidth			= read32(fp);
+			data.mHeight		= read32(fp);
+			data.mHasAlpha		= read8(fp)!=0;
+			const PxU32 nbPixels = data.mWidth*data.mHeight; 
+			pixels				= SAMPLE_NEW(RendererColorAlloc)[nbPixels];
+			data.mPixels		= pixels;
+			for(PxU32 i=0;i<nbPixels;i++)
+			{
+				pixels[i].r = read8(fp);
+				pixels[i].g = read8(fp);
+				pixels[i].b = read8(fp);
+				if(data.mHasAlpha)
+					pixels[i].a = read8(fp);
+				else
+					pixels[i].a = 0xff;
+			}
+		}
+		else
+		{
+			data.mWidth			= 0;
+			data.mHeight		= 0;
+			data.mHasAlpha		= false;
+			data.mPixels		= NULL;
+		}
+
+		cb.newTexture(data);
+		DELETEARRAY(pixels);
+	}
+
+	// Materials
+	for(PxU32 i=0;i<nbMaterials;i++)
+	{
+		RAWMaterial data;
+		data.mID				= read32(fp);
+		data.mDiffuseID			= read32(fp);
+		data.mOpacity			= readFloat(fp);
+		data.mDoubleSided		= read32(fp)!=0;
+
+		data.mAmbientColor.x	= readFloat(fp);
+		data.mAmbientColor.y	= readFloat(fp);
+		data.mAmbientColor.z	= readFloat(fp);
+
+		data.mDiffuseColor.x	= readFloat(fp);
+		data.mDiffuseColor.y	= readFloat(fp);
+		data.mDiffuseColor.z	= readFloat(fp);
+
+		data.mSpecularColor.x	= readFloat(fp);
+		data.mSpecularColor.y	= readFloat(fp);
+		data.mSpecularColor.z	= readFloat(fp);
+
+		cb.newMaterial(data);
+	}
+
+	// Meshes
+	for(PxU32 i=0;i<nbMeshes;i++)
+	{
+		RAWMesh data;
+
+		readName(fp, objectName);
+		data.mName					= objectName;
+		data.mTransform				= readTransform(fp, scale);
+		//
+		data.mNbVerts				= read32(fp);
+		data.mNbFaces				= read32(fp);
+		const PxU32 hasVertexColors = read32(fp);
+		const PxU32 hasUVs			= read32(fp);
+		data.mMaterialID			= read32(fp);
+
+		PxVec3Alloc* tmpVerts		= SAMPLE_NEW(PxVec3Alloc)[data.mNbVerts];
+		PxVec3Alloc* tmpNormals		= SAMPLE_NEW(PxVec3Alloc)[data.mNbVerts];
+		PxVec3Alloc* tmpColors		= NULL;
+		PxReal* tmpUVs				= NULL;
+
+		data.mVerts					= tmpVerts;
+		data.mVertexNormals			= tmpNormals;
+		data.mVertexColors			= NULL;
+		data.mUVs					= NULL;
+
+		readVertices(fp, tmpVerts, data.mNbVerts, scale);
+		readNormals(fp, tmpNormals, data.mNbVerts);
+
+		if(hasVertexColors)
+		{
+			tmpColors = SAMPLE_NEW(PxVec3Alloc)[data.mNbVerts];
+			data.mVertexColors = tmpColors;
+			readVertexColors(fp, tmpColors, data.mNbVerts);
+		}
+
+		if(hasUVs)
+		{
+			tmpUVs = (PxReal*)SAMPLE_ALLOC(sizeof(PxReal)*data.mNbVerts*2);
+			data.mUVs = tmpUVs;
+			readUVs(fp, tmpUVs, data.mNbVerts);
+		}
+
+		PxU32* tmpIndices = (PxU32*)SAMPLE_ALLOC(sizeof(PxU32)*data.mNbFaces*3);
+		data.mIndices = tmpIndices;
+		const size_t size = 4*3*data.mNbFaces;
+		size_t numRead = fread(tmpIndices, 1, size, fp);
+		if(numRead != size) 
+		{ 
+			SAMPLE_FREE(tmpIndices);
+			SAMPLE_FREE(tmpUVs);
+			DELETEARRAY(tmpColors);
+			DELETEARRAY(tmpNormals);
+			DELETEARRAY(tmpVerts);
+			return false; 
+		}
+		if(gFlip)
+		{
+			for(PxU32 j=0;j<data.mNbFaces*3;j++)
+			{
+				Flip(tmpIndices[j]);
+			}
+		}
+
+		cb.newMesh(data);
+
+		SAMPLE_FREE(tmpIndices);
+		SAMPLE_FREE(tmpUVs);
+		DELETEARRAY(tmpColors);
+		DELETEARRAY(tmpNormals);
+		DELETEARRAY(tmpVerts);
+	}
+
+	// Shapes
+	for(PxU32 i=0;i<nbShapes;i++)
+	{
+		RAWShape data;
+
+		readName(fp, objectName);
+		data.mName		= objectName;
+		data.mTransform = readTransform(fp, scale);
+		//
+		data.mNbVerts	= read32(fp);
+		PxVec3Alloc* tmp = SAMPLE_NEW(PxVec3Alloc)[data.mNbVerts];
+		data.mVerts		= tmp;
+		readVertices(fp, tmp, data.mNbVerts, scale);
+
+		cb.newShape(data);
+
+		DELETEARRAY(tmp);
+	}
+
+	// Helpers
+	for(PxU32 i=0;i<nbHelpers;i++)
+	{
+		RAWHelper data;
+
+		readName(fp, objectName);
+		data.mName		= objectName;
+		data.mTransform	= readTransform(fp, scale);
+	}
+	return true;
+}
-- 
cgit v1.2.3