From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Mon, 28 Mar 2016 22:28:34 +1000
Subject: Move Irrlicht to src/others.

---
 .../source/Irrlicht/CPLYMeshWriter.cpp             | 183 +++++++++++++++++++++
 1 file changed, 183 insertions(+)
 create mode 100644 src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshWriter.cpp

(limited to 'src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshWriter.cpp')

diff --git a/src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshWriter.cpp b/src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshWriter.cpp
new file mode 100644
index 0000000..c9f05c8
--- /dev/null
+++ b/src/others/irrlicht-1.8.1/source/Irrlicht/CPLYMeshWriter.cpp
@@ -0,0 +1,183 @@
+// Copyright (C) 2008-2012 Christian Stehno
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#include "IrrCompileConfig.h" 
+
+#ifdef _IRR_COMPILE_WITH_PLY_WRITER_
+
+#include "CPLYMeshWriter.h"
+#include "os.h"
+#include "IMesh.h"
+#include "IMeshBuffer.h"
+#include "IWriteFile.h"
+
+namespace irr
+{
+namespace scene
+{
+
+CPLYMeshWriter::CPLYMeshWriter()
+{
+	#ifdef _DEBUG
+	setDebugName("CPLYMeshWriter");
+	#endif
+}
+
+
+//! Returns the type of the mesh writer
+EMESH_WRITER_TYPE CPLYMeshWriter::getType() const
+{
+	return EMWT_PLY;
+}
+
+//! writes a mesh
+bool CPLYMeshWriter::writeMesh(io::IWriteFile* file, scene::IMesh* mesh, s32 flags)
+{
+	if (!file || !mesh)
+		return false;
+
+	os::Printer::log("Writing mesh", file->getFileName());
+
+	// write PLY header
+	core::stringc header = 
+        	"ply\n"
+		"format ascii 1.0\n" 
+		"comment Irrlicht Engine ";
+	header +=  IRRLICHT_SDK_VERSION;
+
+	// get vertex and triangle counts
+	u32 VertexCount   = 0;
+	u32 TriangleCount = 0;
+
+	for (u32 i=0; i < mesh->getMeshBufferCount(); ++i)
+	{
+		VertexCount   += mesh->getMeshBuffer(i)->getVertexCount();
+		TriangleCount += mesh->getMeshBuffer(i)->getIndexCount() / 3;
+	}
+
+	// vertex definition
+	header += "\nelement vertex ";
+	header += VertexCount;
+
+	header += "\n"
+		"property float x\n"
+		"property float y\n"
+		"property float z\n"
+		"property float nx\n"
+		"property float ny\n"
+		"property float nz\n";
+	// todo: writer flags for extended (r,g,b,u,v) and non-standard (alpha,u1,uv,tx,ty,tz) properties
+	//	"property uchar red\n"
+	//	"property uchar green\n"
+	//	"property uchar blue\n"
+	//	"property uchar alpha\n"
+	//	"property float u\n"
+	//	"property float v\n";
+	//	"property float u1\n
+	//	"property float v1\n"
+	//	"property float tx\n"
+	//	"property float ty\n"
+	//	"property float tz\n"
+
+	// face definition
+
+	header += "element face ";
+	header += TriangleCount;
+	header += "\n" 
+		"property list uchar int vertex_indices\n"
+		"end_header\n";
+
+	// write header
+	file->write(header.c_str(), header.size());
+
+	// write vertices
+
+	c8 outLine[1024];
+
+	for (u32 i=0; i < mesh->getMeshBufferCount(); ++i)
+	{
+		scene::IMeshBuffer* mb = mesh->getMeshBuffer(i);
+		for (u32 j=0; j < mb->getVertexCount(); ++j)
+		{
+			const core::vector3df& pos = mb->getPosition(j);
+			const core::vector3df& n   = mb->getNormal(j);
+//			const core::vector2df& tc  = mb->getTCoords(j);
+
+			u8 *buf  = (u8*)mb->getVertices();
+			switch(mb->getVertexType())
+			{
+			case video::EVT_STANDARD:
+				buf += sizeof(video::S3DVertex)*j;
+				break;
+			case video::EVT_2TCOORDS:
+				buf += sizeof(video::S3DVertex2TCoords)*j;
+				break;
+			case video::EVT_TANGENTS:
+				buf += sizeof(video::S3DVertexTangents)*j;
+				break;
+			}
+//			video::SColor &col = ( (video::S3DVertex*)buf )->Color;
+
+			// x y z nx ny nz red green blue alpha u v [u1 v1 | tx ty tz]\n
+			snprintf(outLine, 1024, 
+				"%f %f %f %f %f %f\n",// %u %u %u %u %f %f\n", 
+				pos.X, pos.Z, pos.Y, // Y and Z are flipped
+				n.X, n.Z, n.Y); 
+				/*col.getRed(), col.getGreen(), col.getBlue(), col.getAlpha(), 
+				tc.X, tc.Y);*/
+
+			// write the line
+			file->write(outLine, strlen(outLine));
+		}
+	}
+
+	// index of the first vertex in the current mesh buffer
+	u32 StartOffset = 0;
+
+	// write triangles
+	for (u32 i=0; i < mesh->getMeshBufferCount(); ++i)
+	{
+		scene::IMeshBuffer* mb = mesh->getMeshBuffer(i);
+		for (u32 j=0; j < mb->getIndexCount(); j+=3)
+		{
+			// y and z are flipped so triangles are reversed
+			u32 a=StartOffset, 
+			    b=StartOffset, 
+			    c=StartOffset;
+
+			switch(mb->getIndexType())
+			{
+			case video::EIT_16BIT:
+				a += mb->getIndices()[j+0];
+				c += mb->getIndices()[j+1];
+				b += mb->getIndices()[j+2];
+				break;
+			case video::EIT_32BIT:
+				a += ((u32*)mb->getIndices()) [j+0];
+				c += ((u32*)mb->getIndices()) [j+0];
+				b += ((u32*)mb->getIndices()) [j+0];
+				break;
+			}
+
+			// count a b c\n
+			snprintf(outLine, 1024, "3 %u %u %u\n", a, b, c);
+			// write the line
+			file->write(outLine, strlen(outLine));
+		}
+
+		// increment offset
+		StartOffset += mb->getVertexCount();
+	}
+
+	// all done!
+	
+
+	return true;
+}
+
+} // end namespace
+} // end namespace
+
+#endif // _IRR_COMPILE_WITH_PLY_WRITER_
+
-- 
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