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]
---
 KaplaDemo/samples/sampleViewer3/RawLoader.cpp | 439 ++++++++++++++++++++++++++
 1 file changed, 439 insertions(+)
 create mode 100644 KaplaDemo/samples/sampleViewer3/RawLoader.cpp

(limited to 'KaplaDemo/samples/sampleViewer3/RawLoader.cpp')

diff --git a/KaplaDemo/samples/sampleViewer3/RawLoader.cpp b/KaplaDemo/samples/sampleViewer3/RawLoader.cpp
new file mode 100644
index 00000000..f374a6a9
--- /dev/null
+++ b/KaplaDemo/samples/sampleViewer3/RawLoader.cpp
@@ -0,0 +1,439 @@
+// 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) 2008-2014 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 "PxTkFile.h"
+
+typedef ::FILE	File;
+
+using namespace physx;
+
+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;
+	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);
+
+		PxU32* pixels = NULL;
+		PxU8 r, g, b, a;
+		if (read8(fp))
+		{
+			data.mWidth = read32(fp);
+			data.mHeight = read32(fp);
+			data.mHasAlpha = read8(fp) != 0;
+			const PxU32 nbPixels = data.mWidth*data.mHeight;
+			pixels = new PxU32[nbPixels];
+			data.mPixels = pixels;
+			for (PxU32 i = 0; i<nbPixels; i++)
+			{
+				r = read8(fp);
+				g = read8(fp);
+				b = read8(fp);
+
+				if (data.mHasAlpha)
+					a = read8(fp);
+				else
+					a = 0xff;
+				
+				//b, g, r, a
+				pixels[i] = b << 24 | g << 16 | r << 8 | a;
+				/*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);
+		delete[] 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);
+
+		PxVec3* tmpVerts = new PxVec3[data.mNbVerts];
+		PxVec3* tmpNormals = new PxVec3[data.mNbVerts];
+		PxVec3* 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 = new PxVec3[data.mNbVerts];
+			data.mVertexColors = tmpColors;
+			readVertexColors(fp, tmpColors, data.mNbVerts);
+		}
+
+		if (hasUVs)
+		{
+			tmpUVs = new PxReal[(sizeof(PxReal)*data.mNbVerts * 2)];
+			data.mUVs = tmpUVs;
+			readUVs(fp, tmpUVs, data.mNbVerts);
+		}
+
+		PxU32* tmpIndices = new PxU32[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)
+		{
+			delete[] tmpIndices;
+			delete[] tmpUVs;
+			delete[] tmpColors;
+			delete[] tmpNormals;
+			delete[] tmpVerts;
+			/*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);
+
+		delete[] tmpIndices;
+		delete[] tmpUVs;
+		delete[] tmpColors;
+		delete[] tmpNormals;
+		delete[] tmpVerts;
+
+	/*	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);
+		PxVec3* tmp = new PxVec3[data.mNbVerts];
+		data.mVerts = tmp;
+		readVertices(fp, tmp, data.mNbVerts, scale);
+
+		cb.newShape(data);
+
+		delete[] tmp;
+	}
+
+	// Helpers
+	for (PxU32 i = 0; i<nbHelpers; i++)
+	{
+		RAWHelper data;
+
+		readName(fp, objectName);
+		data.mName = objectName;
+		data.mTransform = readTransform(fp, scale);
+	}
+	return true;
+}
-- 
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