From 959831f4ef5a3e797f576c3de08cd65032c997ad Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Sun, 13 Jan 2013 18:54:10 +1000
Subject: Remove damned ancient DOS line endings from Irrlicht.  Hopefully I
 did not go overboard.

---
 .../source/Irrlicht/CAnimatedMeshHalfLife.cpp      | 3390 ++++++++++----------
 1 file changed, 1695 insertions(+), 1695 deletions(-)

(limited to 'libraries/irrlicht-1.8/source/Irrlicht/CAnimatedMeshHalfLife.cpp')

diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CAnimatedMeshHalfLife.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CAnimatedMeshHalfLife.cpp
index 6531e1a..ea81c59 100644
--- a/libraries/irrlicht-1.8/source/Irrlicht/CAnimatedMeshHalfLife.cpp
+++ b/libraries/irrlicht-1.8/source/Irrlicht/CAnimatedMeshHalfLife.cpp
@@ -1,1695 +1,1695 @@
-// Copyright (C) 2002-2012 Nikolaus Gebhardt / Fabio Concas / Thomas Alten
-// 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_HALFLIFE_LOADER_
-
-#include "CAnimatedMeshHalfLife.h"
-#include "os.h"
-#include "CColorConverter.h"
-#include "CImage.h"
-#include "coreutil.h"
-#include "SMeshBuffer.h"
-#include "IVideoDriver.h"
-#include "IFileSystem.h"
-
-namespace irr
-{
-namespace scene
-{
-
-	using namespace video;
-
-	void AngleQuaternion(const core::vector3df& angles, vec4_hl quaternion)
-	{
-		f32		angle;
-		f32		sr, sp, sy, cr, cp, cy;
-
-		// FIXME: rescale the inputs to 1/2 angle
-		angle = angles.Z * 0.5f;
-		sy = sin(angle);
-		cy = cos(angle);
-		angle = angles.Y * 0.5f;
-		sp = sin(angle);
-		cp = cos(angle);
-		angle = angles.X * 0.5f;
-		sr = sin(angle);
-		cr = cos(angle);
-
-		quaternion[0] = sr*cp*cy-cr*sp*sy; // X
-		quaternion[1] = cr*sp*cy+sr*cp*sy; // Y
-		quaternion[2] = cr*cp*sy-sr*sp*cy; // Z
-		quaternion[3] = cr*cp*cy+sr*sp*sy; // W
-	}
-
-	void QuaternionMatrix( const vec4_hl quaternion, f32 (*matrix)[4] )
-	{
-		matrix[0][0] = 1.f - 2.f * quaternion[1] * quaternion[1] - 2.f * quaternion[2] * quaternion[2];
-		matrix[1][0] = 2.f * quaternion[0] * quaternion[1] + 2.f * quaternion[3] * quaternion[2];
-		matrix[2][0] = 2.f * quaternion[0] * quaternion[2] - 2.f * quaternion[3] * quaternion[1];
-
-		matrix[0][1] = 2.f * quaternion[0] * quaternion[1] - 2.f * quaternion[3] * quaternion[2];
-		matrix[1][1] = 1.f - 2.f * quaternion[0] * quaternion[0] - 2.f * quaternion[2] * quaternion[2];
-		matrix[2][1] = 2.f * quaternion[1] * quaternion[2] + 2.f * quaternion[3] * quaternion[0];
-
-		matrix[0][2] = 2.f * quaternion[0] * quaternion[2] + 2.f * quaternion[3] * quaternion[1];
-		matrix[1][2] = 2.f * quaternion[1] * quaternion[2] - 2.f * quaternion[3] * quaternion[0];
-		matrix[2][2] = 1.f - 2.f * quaternion[0] * quaternion[0] - 2.f * quaternion[1] * quaternion[1];
-	}
-
-	void QuaternionSlerp( const vec4_hl p, vec4_hl q, f32 t, vec4_hl qt )
-	{
-		s32 i;
-		f32 omega, cosom, sinom, sclp, sclq;
-
-		// decide if one of the quaternions is backwards
-		f32 a = 0;
-		f32 b = 0;
-		for (i = 0; i < 4; i++) {
-			a += (p[i]-q[i])*(p[i]-q[i]);
-			b += (p[i]+q[i])*(p[i]+q[i]);
-		}
-		if (a > b) {
-			for (i = 0; i < 4; i++) {
-				q[i] = -q[i];
-			}
-		}
-
-		cosom = p[0]*q[0] + p[1]*q[1] + p[2]*q[2] + p[3]*q[3];
-
-		if ((1.f + cosom) > 0.00000001) {
-			if ((1.f - cosom) > 0.00000001) {
-				omega = acos( cosom );
-				sinom = sin( omega );
-				sclp = sin( (1.f - t)*omega) / sinom;
-				sclq = sin( t*omega ) / sinom;
-			}
-			else {
-				sclp = 1.f - t;
-				sclq = t;
-			}
-			for (i = 0; i < 4; i++) {
-				qt[i] = sclp * p[i] + sclq * q[i];
-			}
-		}
-		else {
-			qt[0] = -p[1];
-			qt[1] = p[0];
-			qt[2] = -p[3];
-			qt[3] = p[2];
-			sclp = sin( (1.f - t) * 0.5f * core::PI);
-			sclq = sin( t * 0.5f * core::PI);
-			for (i = 0; i < 3; i++) {
-				qt[i] = sclp * p[i] + sclq * qt[i];
-			}
-		}
-	}
-
-	void R_ConcatTransforms (const f32 in1[3][4], const f32 in2[3][4], f32 out[3][4])
-	{
-		out[0][0] = in1[0][0] * in2[0][0] + in1[0][1] * in2[1][0] + in1[0][2] * in2[2][0];
-		out[0][1] = in1[0][0] * in2[0][1] + in1[0][1] * in2[1][1] + in1[0][2] * in2[2][1];
-		out[0][2] = in1[0][0] * in2[0][2] + in1[0][1] * in2[1][2] + in1[0][2] * in2[2][2];
-		out[0][3] = in1[0][0] * in2[0][3] + in1[0][1] * in2[1][3] + in1[0][2] * in2[2][3] + in1[0][3];
-		out[1][0] = in1[1][0] * in2[0][0] + in1[1][1] * in2[1][0] + in1[1][2] * in2[2][0];
-		out[1][1] = in1[1][0] * in2[0][1] + in1[1][1] * in2[1][1] + in1[1][2] * in2[2][1];
-		out[1][2] = in1[1][0] * in2[0][2] + in1[1][1] * in2[1][2] + in1[1][2] * in2[2][2];
-		out[1][3] = in1[1][0] * in2[0][3] + in1[1][1] * in2[1][3] + in1[1][2] * in2[2][3] + in1[1][3];
-		out[2][0] = in1[2][0] * in2[0][0] + in1[2][1] * in2[1][0] + in1[2][2] * in2[2][0];
-		out[2][1] = in1[2][0] * in2[0][1] + in1[2][1] * in2[1][1] + in1[2][2] * in2[2][1];
-		out[2][2] = in1[2][0] * in2[0][2] + in1[2][1] * in2[1][2] + in1[2][2] * in2[2][2];
-		out[2][3] = in1[2][0] * in2[0][3] + in1[2][1] * in2[1][3] + in1[2][2] * in2[2][3] + in1[2][3];
-	}
-
-	#define DotProduct(x,y) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2])
-
-	inline void VectorTransform(const vec3_hl in1, const f32 in2[3][4], core::vector3df& out)
-	{
-		out.X = DotProduct(in1, in2[0]) + in2[0][3];
-		out.Z = DotProduct(in1, in2[1]) + in2[1][3];
-		out.Y = DotProduct(in1, in2[2]) + in2[2][3];
-	}
-
-	static f32 BoneTransform[MAXSTUDIOBONES][3][4];	// bone transformation matrix
-
-	void getBoneVector ( core::vector3df &out, u32 index )
-	{
-		out.X = BoneTransform[index][0][3];
-		out.Z = BoneTransform[index][1][3];
-		out.Y = BoneTransform[index][2][3];
-	}
-
-	void getBoneBox ( core::aabbox3df &box, u32 index, f32 size = 0.5f )
-	{
-		box.MinEdge.X = BoneTransform[index][0][3] - size;
-		box.MinEdge.Z = BoneTransform[index][1][3] - size;
-		box.MinEdge.Y = BoneTransform[index][2][3] - size;
-
-		size *= 2.f;
-		box.MaxEdge.X = box.MinEdge.X + size;
-		box.MaxEdge.Y = box.MinEdge.Y + size;
-		box.MaxEdge.Z = box.MinEdge.Z + size;
-	}
-
-	void getTransformedBoneVector ( core::vector3df &out, u32 index, const vec3_hl in)
-	{
-		out.X = DotProduct(in, BoneTransform[index][0]) + BoneTransform[index][0][3];
-		out.Z = DotProduct(in, BoneTransform[index][1]) + BoneTransform[index][1][3];
-		out.Y = DotProduct(in, BoneTransform[index][2]) + BoneTransform[index][2][3];
-
-	}
-
-
-//! Constructor
-CHalflifeMDLMeshFileLoader::CHalflifeMDLMeshFileLoader(
-		scene::ISceneManager* smgr) : SceneManager(smgr)
-{
-#ifdef _DEBUG
-	setDebugName("CHalflifeMDLMeshFileLoader");
-#endif
-}
-
-
-//! returns true if the file maybe is able to be loaded by this class
-//! based on the file extension (e.g. ".bsp")
-bool CHalflifeMDLMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
-{
-	return core::hasFileExtension(filename, "mdl");
-}
-
-
-//! creates/loads an animated mesh from the file.
-//! \return Pointer to the created mesh. Returns 0 if loading failed.
-//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
-//! See IReferenceCounted::drop() for more information.
-IAnimatedMesh* CHalflifeMDLMeshFileLoader::createMesh(io::IReadFile* file)
-{
-	CAnimatedMeshHalfLife* msh = new CAnimatedMeshHalfLife();
-	if (msh)
-	{
-		if (msh->loadModelFile(file, SceneManager))
-			return msh;
-		msh->drop();
-	}
-
-	return 0;
-}
-
-
-//! Constructor
-CAnimatedMeshHalfLife::CAnimatedMeshHalfLife()
-	: FrameCount(0), MeshIPol(0), SceneManager(0), Header(0), TextureHeader(0),
-	OwnTexModel(false), SequenceIndex(0), CurrentFrame(0), FramesPerSecond(25.f),
-	SkinGroupSelection(0)
-#ifdef HL_TEXTURE_ATLAS
-	, TextureMaster(0)
-#endif
-{
-#ifdef _DEBUG
-	setDebugName("CAnimatedMeshHalfLife");
-#endif
-	initData();
-}
-
-/*!
-	loads a complete model
-*/
-bool CAnimatedMeshHalfLife::loadModelFile(io::IReadFile* file,
-		ISceneManager* smgr)
-{
-	if (!file)
-		return false;
-
-	SceneManager = smgr;
-
-	if ( loadModel(file, file->getFileName()) )
-	{
-		if ( postLoadModel ( file->getFileName() ) )
-		{
-			initModel ();
-			//dumpModelInfo ( 1 );
-			return true;
-		}
-	}
-	return false;
-}
-
-
-//! Destructor
-CAnimatedMeshHalfLife::~CAnimatedMeshHalfLife()
-{
-	delete [] (u8*) Header;
-	if (OwnTexModel)
-		delete [] (u8*) TextureHeader;
-
-	for (u32 i = 0; i < 32; ++i)
-		delete [] (u8*) AnimationHeader[i];
-
-	if (MeshIPol)
-		MeshIPol->drop();
-}
-
-
-//! Returns the amount of frames in milliseconds. If the amount is 1, it is a static (=non animated) mesh.
-u32 CAnimatedMeshHalfLife::getFrameCount() const
-{
-	return FrameCount;
-}
-
-
-//! set the hardware mapping hint, for driver
-void CAnimatedMeshHalfLife::setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint,E_BUFFER_TYPE buffer)
-{
-}
-
-
-//! flags the meshbuffer as changed, reloads hardware buffers
-void CAnimatedMeshHalfLife::setDirty(E_BUFFER_TYPE buffer)
-{
-}
-
-
-static core::vector3df TransformedVerts[MAXSTUDIOVERTS];	// transformed vertices
-//static core::vector3df TransformedNormals[MAXSTUDIOVERTS];	// light surface normals
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::initModel()
-{
-	// init Sequences to Animation
-	KeyFrameInterpolation ipol;
-	ipol.Name.reserve ( 64 );
-	u32 i;
-
-	AnimList.clear();
-	FrameCount = 0;
-
-	SHalflifeSequence *seq = (SHalflifeSequence*) ((u8*) Header + Header->seqindex);
-	for ( i = 0; i < Header->numseq; i++)
-	{
-		ipol.Name = seq[i].label;
-		ipol.StartFrame = FrameCount;
-		ipol.Frames = core::max_ ( 1, seq[i].numframes - 1 );
-		ipol.EndFrame = ipol.StartFrame + ipol.Frames - 1;
-		ipol.FramesPerSecond = seq[i].fps;
-		ipol.AnimationType = seq[i].flags & STUDIO_LOOPING ? EAMT_LOOPING : EAMT_WAYPOINT;
-		AnimList.push_back ( ipol );
-
-		FrameCount += ipol.Frames;
-	}
-
-	// initBoneControllers
-/*
-	SHalflifeBoneController *bonecontroller = (SHalflifeBoneController *)((u8*) Header + Header->bonecontrollerindex);
-	for ( i = 0; i < Header->numbonecontrollers; i++)
-	{
-		printf ( "BoneController%d index:%d%s range:%f - %f\n",
-			i,
-			bonecontroller[i].index, bonecontroller[i].index == MOUTH_CONTROLLER ? " (Mouth)": "",
-			bonecontroller[i].start,bonecontroller[i].end
-			);
-	}
-
-	// initSkins
-	for (i = 0; i < TextureHeader->numskinfamilies; i++)
-	{
-		printf ( "Skin%d\n", i + 1);
-	}
-*/
-
-	// initBodyparts
-	u32 meshBuffer = 0;
-	BodyList.clear();
-	SHalflifeBody *body = (SHalflifeBody *) ((u8*) Header + Header->bodypartindex);
-	for (i=0; i < Header->numbodyparts; ++i)
-	{
-		BodyPart part;
-		part.name = body[i].name;
-		part.defaultModel = core::max_ ( 0, (s32) body[i].base - 1 );
-
-		SHalflifeModel * model = (SHalflifeModel *)((u8*) Header + body[i].modelindex);
-		for ( u32 g = 0; g < body[i].nummodels; ++g)
-		{
-			SubModel sub;
-			sub.name = model[g].name;
-			sub.startBuffer = meshBuffer;
-			sub.endBuffer = sub.startBuffer + model[g].nummesh;
-			sub.state = g == part.defaultModel;
-			part.model.push_back ( sub );
-			meshBuffer += model[g].nummesh;
-		}
-		BodyList.push_back ( part );
-	}
-
-	SequenceIndex = 0;
-	CurrentFrame = 0.f;
-
-	SetController(0, 0.f);
-	SetController(1, 0.f);
-	SetController(2, 0.f);
-	SetController(3, 0.f);
-	SetController(MOUTH_CONTROLLER, 0.f);
-
-	SetSkin (0);
-
-	// init Meshbuffers
-	const SHalflifeTexture *tex = (SHalflifeTexture *) ((u8*) TextureHeader + TextureHeader->textureindex);
-	const u16 *skinref = (u16 *)((u8*)TextureHeader + TextureHeader->skinindex);
-	if ((SkinGroupSelection != 0) && (SkinGroupSelection < TextureHeader->numskinfamilies))
-		skinref += (SkinGroupSelection * TextureHeader->numskinref);
-
-	core::vector2df tex_scale;
-	core::vector2di tex_trans ( 0, 0 );
-
-#ifdef HL_TEXTURE_ATLAS
-	TextureAtlas.getScale(tex_scale);
-#endif
-
-	for (u32 bodypart=0 ; bodypart < Header->numbodyparts ; ++bodypart)
-	{
-		const SHalflifeBody *body = (SHalflifeBody *)((u8*) Header + Header->bodypartindex) + bodypart;
-
-		for (u32 modelnr = 0; modelnr < body->nummodels; ++modelnr)
-		{
-			const SHalflifeModel *model = (SHalflifeModel *)((u8*) Header + body->modelindex) + modelnr;
-#if 0
-			const vec3_hl *studioverts = (vec3_hl *)((u8*)Header + model->vertindex);
-			const vec3_hl *studionorms = (vec3_hl *)((u8*)Header + model->normindex);
-#endif
-			for (i = 0; i < model->nummesh; ++i)
-			{
-				const SHalflifeMesh *mesh = (SHalflifeMesh *)((u8*)Header + model->meshindex) + i;
-				const SHalflifeTexture *currentex = &tex[skinref[mesh->skinref]];
-
-#ifdef HL_TEXTURE_ATLAS
-				TextureAtlas.getTranslation ( currentex->name, tex_trans );
-#else
-				tex_scale.X = 1.f/(f32)currentex->width;
-				tex_scale.Y = 1.f/(f32)currentex->height;
-#endif
-
-				SMeshBuffer * buffer = new SMeshBuffer();
-
-				// count index vertex size	indexcount = mesh->numtris * 3
-				u32 indexCount = 0;
-				u32 vertexCount = 0;
-
-				const s16 *tricmd = (s16*)((u8*)Header + mesh->triindex);
-				s32 c;
-				while ( (c = *(tricmd++)) )
-				{
-					if (c < 0)
-						c = -c;
-
-					indexCount += ( c - 2 ) * 3;
-					vertexCount += c;
-					tricmd += ( 4 * c );
-				}
-
-				// indices
-				buffer->Indices.set_used ( indexCount );
-				buffer->Vertices.set_used ( vertexCount );
-
-				// fill in static indices and vertex
-				u16 *index = buffer->Indices.pointer();
-				video::S3DVertex * v = buffer->Vertices.pointer();
-
-				// blow up gl_triangle_fan/gl_triangle_strip to indexed triangle list
-				E_PRIMITIVE_TYPE type;
-				vertexCount = 0;
-				indexCount = 0;
-				tricmd = (s16*)((u8*)Header + mesh->triindex);
-				while ( (c = *(tricmd++)) )
-				{
-					if (c < 0)
-					{
-						// triangle fan
-						c = -c;
-						type = EPT_TRIANGLE_FAN;
-					}
-					else
-					{
-						type = EPT_TRIANGLE_STRIP;
-					}
-
-					for ( s32 g = 0; g < c; ++g, v += 1, tricmd += 4 )
-					{
-						// fill vertex
-	#if 0
-						const f32 *av = studioverts[tricmd[0]];
-						v->Pos.X = av[0];
-						v->Pos.Z = av[1];
-						v->Pos.Y = av[2];
-
-						av = studionorms[tricmd[1]];
-						v->Normal.X = av[0];
-						v->Normal.Z = av[1];
-						v->Normal.Y = av[2];
-
-	#endif
-						v->Normal.X = 0.f;
-						v->Normal.Z = 0.f;
-						v->Normal.Y = 1.f;
-
-						v->TCoords.X = (tex_trans.X + tricmd[2])*tex_scale.X;
-						v->TCoords.Y = (tex_trans.Y + tricmd[3])*tex_scale.Y;
-
-						v->Color.color = 0xFFFFFFFF;
-
-						// fill index
-						if ( g < c - 2 )
-						{
-							if ( type == EPT_TRIANGLE_FAN )
-							{
-								index[indexCount+0] = vertexCount;
-								index[indexCount+1] = vertexCount+g+1;
-								index[indexCount+2] = vertexCount+g+2;
-							}
-							else
-							{
-								if ( g & 1 )
-								{
-									index[indexCount+0] = vertexCount+g+1;
-									index[indexCount+1] = vertexCount+g+0;
-									index[indexCount+2] = vertexCount+g+2;
-								}
-								else
-								{
-									index[indexCount+0] = vertexCount+g+0;
-									index[indexCount+1] = vertexCount+g+1;
-									index[indexCount+2] = vertexCount+g+2;
-								}
-							}
-
-							indexCount += 3;
-						}
-					}
-
-					vertexCount += c;
-				}
-
-				// material
-				video::SMaterial &m = buffer->getMaterial();
-
-				m.MaterialType = video::EMT_SOLID;
-				m.BackfaceCulling = true;
-
-				if ( currentex->flags & STUDIO_NF_CHROME )
-				{
-					// don't know what to do with chrome here
-				}
-
-#ifdef HL_TEXTURE_ATLAS
-				io::path store = TextureBaseName + "atlas";
-#else
-				io::path fname;
-				io::path ext;
-				core::splitFilename ( currentex->name, 0, &fname, &ext );
-				io::path store = TextureBaseName + fname;
-#endif
-				m.TextureLayer[0].Texture = SceneManager->getVideoDriver()->getTexture ( store );
-				m.Lighting = false;
-
-				MeshIPol->addMeshBuffer(buffer);
-				buffer->recalculateBoundingBox();
-				buffer->drop();
-			} // mesh
-			MeshIPol->recalculateBoundingBox();
-		} // model
-	} // body part
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::buildVertices()
-{
-/*
-	const u16 *skinref = (u16 *)((u8*)TextureHeader + TextureHeader->skinindex);
-	if (SkinGroupSelection != 0 && SkinGroupSelection < TextureHeader->numskinfamilies)
-		skinref += (SkinGroupSelection * TextureHeader->numskinref);
-*/
-	u32 i;
-	s32 c,g;
-	const s16 *tricmd;
-
-	u32 meshBufferNr = 0;
-	for ( u32 bodypart = 0 ; bodypart < Header->numbodyparts; ++bodypart)
-	{
-		const SHalflifeBody *body = (SHalflifeBody *)((u8*) Header + Header->bodypartindex) + bodypart;
-
-		for ( u32 modelnr = 0; modelnr < body->nummodels; ++modelnr )
-		{
-			const SHalflifeModel *model = (SHalflifeModel *)((u8*) Header + body->modelindex) + modelnr;
-
-			const u8 *vertbone = ((u8*)Header + model->vertinfoindex);
-
-			const vec3_hl *studioverts = (vec3_hl *)((u8*)Header + model->vertindex);
-
-			for ( i = 0; i < model->numverts; i++)
-			{
-				VectorTransform ( studioverts[i],  BoneTransform[vertbone[i]], TransformedVerts[i]  );
-			}
-	/*
-			const u8 *normbone = ((u8*)Header + model->norminfoindex);
-			const vec3_hl *studionorms = (vec3_hl *)((u8*)Header + model->normindex);
-			for ( i = 0; i < model->numnorms; i++)
-			{
-				VectorTransform ( studionorms[i],  BoneTransform[normbone[i]], TransformedNormals[i]  );
-			}
-	*/
-			for (i = 0; i < model->nummesh; i++)
-			{
-				const SHalflifeMesh *mesh = (SHalflifeMesh *)((u8*)Header + model->meshindex) + i;
-
-				IMeshBuffer * buffer = MeshIPol->getMeshBuffer ( meshBufferNr++ );
-				video::S3DVertex* v = (video::S3DVertex* ) buffer->getVertices();
-
-				tricmd = (s16*)((u8*)Header + mesh->triindex);
-				while ( (c = *(tricmd++)) )
-				{
-					if (c < 0)
-						c = -c;
-
-					for ( g = 0; g < c; ++g, v += 1, tricmd += 4 )
-					{
-						// fill vertex
-						const core::vector3df& av = TransformedVerts[tricmd[0]];
-						v->Pos = av;
-	/*
-						const core::vector3df& an = TransformedNormals[tricmd[1]];
-						v->Normal = an;
-						//v->Normal.normalize();
-	*/
-					}
-				} // tricmd
-			} // nummesh
-		} // model
-	} // bodypart
-}
-
-
-/*!
-	render Bones
-*/
-void CAnimatedMeshHalfLife::renderModel(u32 param, IVideoDriver * driver, const core::matrix4 &absoluteTransformation)
-{
-	SHalflifeBone *bone = (SHalflifeBone *) ((u8 *) Header + Header->boneindex);
-
-	video::SColor blue(0xFF000080);
-	video::SColor red(0xFF800000);
-	video::SColor yellow(0xFF808000);
-	video::SColor cyan(0xFF008080);
-
-	core::aabbox3df box;
-
-	u32 i;
-	for ( i = 0; i < Header->numbones; i++)
-	{
-		if (bone[i].parent >= 0)
-		{
-			getBoneVector ( box.MinEdge, bone[i].parent );
-			getBoneVector ( box.MaxEdge, i );
-			driver->draw3DLine ( box.MinEdge, box.MaxEdge, blue );
-
-			// draw parent bone node
-			if (bone[bone[i].parent].parent >=0 )
-			{
-				getBoneBox ( box, bone[i].parent );
-				driver->draw3DBox ( box, blue );
-			}
-			getBoneBox ( box, i );
-			driver->draw3DBox ( box, blue );
-		}
-		else
-		{
-			// draw parent bone node
-			getBoneBox ( box, i, 1.f );
-			driver->draw3DBox ( box , red );
-		}
-	}
-
-	// attachements
-	SHalflifeAttachment *attach = (SHalflifeAttachment *) ((u8*) Header + Header->attachmentindex);
-	core::vector3df v[8];
-	for ( i = 0; i < Header->numattachments; i++)
-	{
-		getTransformedBoneVector ( v[0],attach[i].bone,attach[i].org );
-		getTransformedBoneVector ( v[1],attach[i].bone,attach[i].vectors[0] );
-		getTransformedBoneVector ( v[2],attach[i].bone,attach[i].vectors[1] );
-		getTransformedBoneVector ( v[3],attach[i].bone,attach[i].vectors[2] );
-		driver->draw3DLine ( v[0], v[1], cyan );
-		driver->draw3DLine ( v[0], v[2], cyan );
-		driver->draw3DLine ( v[0], v[3], cyan );
-	}
-
-	// hit boxes
-	SHalflifeBBox *hitbox = (SHalflifeBBox *) ((u8*) Header + Header->hitboxindex);
-	f32 *bbmin,*bbmax;
-	vec3_hl v2[8];
-	for (i = 0; i < Header->numhitboxes; i++)
-	{
-		bbmin = hitbox[i].bbmin;
-		bbmax = hitbox[i].bbmax;
-
-		v2[0][0] = bbmin[0];
-		v2[0][1] = bbmax[1];
-		v2[0][2] = bbmin[2];
-
-		v2[1][0] = bbmin[0];
-		v2[1][1] = bbmin[1];
-		v2[1][2] = bbmin[2];
-
-		v2[2][0] = bbmax[0];
-		v2[2][1] = bbmax[1];
-		v2[2][2] = bbmin[2];
-
-		v2[3][0] = bbmax[0];
-		v2[3][1] = bbmin[1];
-		v2[3][2] = bbmin[2];
-
-		v2[4][0] = bbmax[0];
-		v2[4][1] = bbmax[1];
-		v2[4][2] = bbmax[2];
-
-		v2[5][0] = bbmax[0];
-		v2[5][1] = bbmin[1];
-		v2[5][2] = bbmax[2];
-
-		v2[6][0] = bbmin[0];
-		v2[6][1] = bbmax[1];
-		v2[6][2] = bbmax[2];
-
-		v2[7][0] = bbmin[0];
-		v2[7][1] = bbmin[1];
-		v2[7][2] = bbmax[2];
-
-		for ( u32 g = 0; g < 8; ++g )
-			getTransformedBoneVector ( v[g],hitbox[i].bone,v2[g] );
-
-		driver->draw3DLine(v[0], v[1], yellow);
-		driver->draw3DLine(v[1], v[3], yellow);
-		driver->draw3DLine(v[3], v[2], yellow);
-		driver->draw3DLine(v[2], v[0], yellow);
-
-		driver->draw3DLine(v[4], v[5], yellow);
-		driver->draw3DLine(v[5], v[7], yellow);
-		driver->draw3DLine(v[7], v[6], yellow);
-		driver->draw3DLine(v[6], v[4], yellow);
-
-		driver->draw3DLine(v[0], v[6], yellow);
-		driver->draw3DLine(v[1], v[7], yellow);
-		driver->draw3DLine(v[3], v[5], yellow);
-		driver->draw3DLine(v[2], v[4], yellow);
-	}
-}
-
-
-//! Returns the animated mesh based on a detail level. 0 is the lowest, 255 the highest detail.
-IMesh* CAnimatedMeshHalfLife::getMesh(s32 frameInt, s32 detailLevel, s32 startFrameLoop, s32 endFrameLoop)
-{
-	f32 frame = frameInt + (detailLevel * 0.001f);
-	u32 frameA = core::floor32 ( frame );
-//	f32 blend = core::fract ( frame );
-
-	SHalflifeSequence *seq = (SHalflifeSequence*) ((u8*) Header + Header->seqindex);
-
-	// find SequenceIndex from summed list
-	u32 frameCount = 0;
-	for (u32 i = 0; i < Header->numseq; ++i)
-	{
-		u32 val = core::max_ ( 1, seq[i].numframes - 1 );
-		if ( frameCount + val > frameA  )
-		{
-			SequenceIndex = i;
-			CurrentFrame = frame - frameCount;
-			break;
-		}
-		frameCount += val;
-	}
-
-	seq += SequenceIndex;
-
-	//SetBodyPart ( 1, 1 );
-	setUpBones ();
-	buildVertices();
-
-	MeshIPol->BoundingBox.MinEdge.X = seq->bbmin[0];
-	MeshIPol->BoundingBox.MinEdge.Z = seq->bbmin[1];
-	MeshIPol->BoundingBox.MinEdge.Y = seq->bbmin[2];
-
-	MeshIPol->BoundingBox.MaxEdge.X = seq->bbmax[0];
-	MeshIPol->BoundingBox.MaxEdge.Z = seq->bbmax[1];
-	MeshIPol->BoundingBox.MaxEdge.Y = seq->bbmax[2];
-
-	return MeshIPol;
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::initData ()
-{
-	u32 i;
-
-	Header = 0;
-	TextureHeader = 0;
-	OwnTexModel = false;
-
-	for ( i = 0; i < 32; ++i )
-		AnimationHeader[i] = 0;
-
-	SequenceIndex = 0;
-	CurrentFrame = 0.f;
-
-	for ( i = 0; i < 5; ++i )
-		BoneController[i] = 0;
-
-	for ( i = 0; i < 2; ++i )
-		Blending[i] = 0;
-
-	SkinGroupSelection = 0;
-
-	AnimList.clear();
-	FrameCount = 0;
-
-	if (!MeshIPol)
-		MeshIPol = new SMesh();
-	MeshIPol->clear();
-
-#ifdef HL_TEXTURE_ATLAS
-	TextureAtlas.release();
-#endif
-}
-
-
-/*!
-*/
-void STextureAtlas::release()
-{
-	for (u32 i = 0; i < atlas.size(); i++)
-	{
-		if ( atlas[i].image )
-		{
-			atlas[i].image->drop();
-			atlas[i].image = 0;
-		}
-	}
-	Master = 0;
-}
-
-
-/*!
-*/
-void STextureAtlas::addSource ( const c8 * name, video::IImage * image )
-{
-	TextureAtlasEntry entry;
-	entry.name = name;
-	entry.image = image;
-	entry.width = image->getDimension().Width;
-	entry.height = image->getDimension().Height;
-	entry.pos.X = 0;
-	entry.pos.Y = 0;
-	atlas.push_back ( entry );
-}
-
-
-/*!
-*/
-void STextureAtlas::getScale(core::vector2df& scale)
-{
-	for (s32 i = static_cast<s32>(atlas.size()) - 1; i >= 0; --i)
-	{
-		if ( atlas[i].name == "_merged_" )
-		{
-			scale.X = 1.f / atlas[i].width;
-			scale.Y = 1.f / atlas[i].height;
-			return;
-		}
-	}
-	scale.X = 1.f;
-	scale.Y = 1.f;
-}
-
-
-/*!
-*/
-void STextureAtlas::getTranslation(const c8* name, core::vector2di& pos)
-{
-	for ( u32 i = 0; i < atlas.size(); ++i)
-	{
-		if ( atlas[i].name == name )
-		{
-			pos = atlas[i].pos;
-			return;
-		}
-	}
-}
-
-
-/*!
-*/
-void STextureAtlas::create(u32 border, E_TEXTURE_CLAMP texmode)
-{
-	u32 i = 0;
-	u32 w = 0;
-	u32 w2;
-	u32 h2;
-	u32 h;
-	u32 wsum;
-	u32 hsum = 0;
-	ECOLOR_FORMAT format = ECF_R8G8B8;
-
-	const s32 frame = core::s32_max ( 0, (border - 1 ) / 2 );
-
-	// sort for biggest coming first
-	atlas.sort();
-
-	// split size
-	wsum = frame;
-	for (i = 0; i < atlas.size(); i++)
-	{
-		// make space
-		w2 = atlas[i].width + border;
-
-		// align
-		w2 = (w2 + 1) & ~1;
-		wsum += w2;
-	}
-	u32 splitsize = 256;
-	if ( wsum > 512 )
-		splitsize = 512;
-
-	wsum = frame;
-	hsum = frame;
-	w = frame;
-	h = 0;
-	for (i = 0; i < atlas.size(); i++)
-	{
-		if ( atlas[i].image->getColorFormat() == ECF_A8R8G8B8 )
-		{
-			format = ECF_A8R8G8B8;
-		}
-
-		// make space
-		w2 = atlas[i].width + border;
-		h2 = atlas[i].height + border;
-
-		// align
-		w2 = (w2 + 1) & ~1;
-		h2 = (h2 + 1) & ~1;
-
-		h = core::s32_max ( h, h2 );
-
-		if ( w + w2 >= splitsize )
-		{
-			hsum += h;
-			wsum = core::s32_max ( wsum, w );
-			h = h2;
-			w = frame;
-		}
-
-		atlas[i].pos.X = w;
-		atlas[i].pos.Y = hsum;
-
-		w += w2;
-
-	}
-	hsum += h;
-	wsum = core::s32_max ( wsum, w );
-
-	// build image
-	core::dimension2d<u32> dim = core::dimension2d<u32>( wsum, hsum ).getOptimalSize();
-	IImage* master = new CImage(format, dim);
-	master->fill(0);
-
-	video::SColor col[2];
-
-	static const u8 wrap[][4] =
-	{
-		{1, 0},	// ETC_REPEAT
-		{0, 1},	// ETC_CLAMP
-		{0, 1},	// ETC_CLAMP_TO_EDGE
-		{0, 1}	// ETC_MIRROR
-	};
-
-	s32 a,b;
-	for (i = 0; i < atlas.size(); i++)
-	{
-		atlas[i].image->copyTo ( master, atlas[i].pos );
-
-		// clamp/wrap ( copy edges, filtering needs it )
-
-		for ( b = 0; b < frame; ++b )
-		{
-			for ( a = 0 - b; a <= (s32) atlas[i].width + b; ++a )
-			{
-				col[0] = atlas[i].image->getPixel ( core::s32_clamp ( a, 0, atlas[i].width - 1 ), 0 );
-				col[1] = atlas[i].image->getPixel ( core::s32_clamp ( a, 0, atlas[i].width - 1 ), atlas[i].height - 1 );
-
-				master->setPixel ( atlas[i].pos.X + a, atlas[i].pos.Y + ( b + 1 ) * -1, col[wrap[texmode][0]] );
-				master->setPixel ( atlas[i].pos.X + a, atlas[i].pos.Y + atlas[i].height - 1 + ( b + 1 ) * 1, col[wrap[texmode][1]] );
-			}
-
-			for ( a = -1 - b; a <= (s32) atlas[i].height + b; ++a )
-			{
-				col[0] = atlas[i].image->getPixel ( 0, core::s32_clamp ( a, 0, atlas[i].height - 1 ) );
-				col[1] = atlas[i].image->getPixel ( atlas[i].width - 1, core::s32_clamp ( a, 0, atlas[i].height - 1 ) );
-
-				master->setPixel ( atlas[i].pos.X + ( b + 1 ) * -1, atlas[i].pos.Y + a, col[wrap[texmode][0]] );
-				master->setPixel ( atlas[i].pos.X + atlas[i].width + b, atlas[i].pos.Y + a, col[wrap[texmode][1]] );
-			}
-		}
-	}
-
-	addSource ( "_merged_", master );
-	Master = master;
-}
-
-
-/*!
-*/
-SHalflifeHeader* CAnimatedMeshHalfLife::loadModel(io::IReadFile* file, const io::path& filename)
-{
-	bool closefile = false;
-
-	// if secondary files are needed, open here and mark for closing
-	if ( 0 == file )
-	{
-		file = SceneManager->getFileSystem()->createAndOpenFile(filename);
-		closefile = true;
-	}
-
-	if ( 0 == file )
-		return 0;
-
-	// read into memory
-	u8* pin = new u8[file->getSize()];
-	file->read(pin, file->getSize());
-
-	SHalflifeHeader* header = (SHalflifeHeader*) pin;
-
-	const bool idst = (0 == strncmp(header->id, "IDST", 4));
-	const bool idsq = (0 == strncmp(header->id, "IDSQ", 4));
-
-	if ( (!idst && !idsq) || (idsq && !Header) )
-	{
-		os::Printer::log("MDL Halflife Loader: Wrong file header", file->getFileName(), ELL_WARNING);
-		if ( closefile )
-		{
-			file->drop();
-			file = 0;
-		}
-		delete [] pin;
-		return 0;
-	}
-
-	// don't know the real header.. idsg might be different
-	if (header->textureindex && idst )
-	{
-		io::path path;
-		io::path fname;
-		io::path ext;
-
-		core::splitFilename(file->getFileName(), &path, &fname, &ext);
-		TextureBaseName = path + fname + "_";
-
-		SHalflifeTexture *tex = (SHalflifeTexture *)(pin + header->textureindex);
-		u32 *palette = new u32[256];
-		for (u32 i = 0; i < header->numtextures; ++i)
-		{
-			const u8 *src = pin + tex[i].index;
-
-			// convert rgb to argb palette
-			{
-				const u8 *pal = src + tex[i].width * tex[i].height;
-				for( u32 g=0; g<256; ++g )
-				{
-					palette[g] = 0xFF000000 | pal[0] << 16 | pal[1] << 8 | pal[2];
-					pal += 3;
-				}
-			}
-
-			IImage* image = SceneManager->getVideoDriver()->createImage(ECF_R8G8B8, core::dimension2d<u32>(tex[i].width, tex[i].height));
-
-			CColorConverter::convert8BitTo24Bit(src, (u8*)image->lock(), tex[i].width, tex[i].height, (u8*) palette, 0, false);
-			image->unlock();
-
-#ifdef HL_TEXTURE_ATLAS
-			TextureAtlas.addSource ( tex[i].name, image );
-#else
-			core::splitFilename ( tex[i].name, 0, &fname, &ext );
-			SceneManager->getVideoDriver()->addTexture ( TextureBaseName + fname, image );
-			image->drop();
-#endif
-		}
-		delete [] palette;
-
-#ifdef HL_TEXTURE_ATLAS
-		TextureAtlas.create ( 2 * 2 + 1, ETC_CLAMP );
-		SceneManager->getVideoDriver()->addTexture ( TextureBaseName + "atlas", TextureAtlas.Master );
-		TextureAtlas.release();
-#endif
-	}
-
-	if (!Header)
-		Header = header;
-
-	if ( closefile )
-	{
-		file->drop();
-		file = 0;
-	}
-
-	return header;
-}
-
-
-/*!
-*/
-f32 CAnimatedMeshHalfLife::SetController( s32 controllerIndex, f32 value )
-{
-	if (!Header)
-		return 0.f;
-
-	SHalflifeBoneController *bonecontroller = (SHalflifeBoneController *)((u8*) Header + Header->bonecontrollerindex);
-
-	// find first controller that matches the index
-	u32 i;
-	for (i = 0; i < Header->numbonecontrollers; i++, bonecontroller++)
-	{
-		if (bonecontroller->index == controllerIndex)
-			break;
-	}
-	if (i >= Header->numbonecontrollers)
-		return value;
-
-	// wrap 0..360 if it's a rotational controller
-	if (bonecontroller->type & (STUDIO_XR | STUDIO_YR | STUDIO_ZR))
-	{
-		// ugly hack, invert value if end < start
-		if (bonecontroller->end < bonecontroller->start)
-			value = -value;
-
-		// does the controller not wrap?
-		if (bonecontroller->start + 359.f >= bonecontroller->end)
-		{
-			if (value > ((bonecontroller->start + bonecontroller->end) / 2.f) + 180.f)
-				value = value - 360.f;
-			if (value < ((bonecontroller->start + bonecontroller->end) / 2.f) - 180.f)
-				value = value + 360.f;
-		}
-		else
-		{
-			if (value > 360.f)
-				value = value - (s32)(value / 360.f) * 360.f;
-			else if (value < 0.f)
-				value = value + (s32)((value / -360.f) + 1) * 360.f;
-		}
-	}
-
-	s32 range = controllerIndex == MOUTH_CONTROLLER ? 64 : 255;
-
-	s32 setting = (s32) ( (f32) range * (value - bonecontroller->start) / (bonecontroller->end - bonecontroller->start));
-
-	if (setting < 0) setting = 0;
-	if (setting > range) setting = range;
-
-	BoneController[controllerIndex] = setting;
-
-	return setting * (1.f / (f32) range ) * (bonecontroller->end - bonecontroller->start) + bonecontroller->start;
-}
-
-
-/*!
-*/
-u32 CAnimatedMeshHalfLife::SetSkin( u32 value )
-{
-	if (value < Header->numskinfamilies)
-		SkinGroupSelection = value;
-
-	return SkinGroupSelection;
-}
-
-
-/*!
-*/
-bool CAnimatedMeshHalfLife::postLoadModel( const io::path &filename )
-{
-	io::path path;
-	io::path texname;
-	io::path submodel;
-
-	core::splitFilename ( filename ,&path, &texname, 0 );
-
-	// preload textures
-	// if no textures are stored in main file, use texfile
-	if (Header->numtextures == 0)
-	{
-		submodel = path + texname + "T.mdl";
-		TextureHeader = loadModel(0, submodel);
-		if (!TextureHeader)
-			return false;
-		OwnTexModel = true;
-	}
-	else
-	{
-		TextureHeader = Header;
-		OwnTexModel = false;
-	}
-
-	// preload animations
-	if (Header->numseqgroups > 1)
-	{
-		c8 seq[8];
-		for (u32 i = 1; i < Header->numseqgroups; i++)
-		{
-			snprintf( seq, 8, "%02d.mdl", i );
-			submodel = path + texname + seq;
-
-			AnimationHeader[i] = loadModel(0, submodel);
-			if (!AnimationHeader[i])
-				return false;
-		}
-	}
-
-	return true;
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::dumpModelInfo(u32 level) const
-{
-	const u8 *phdr = (const u8*) Header;
-	const SHalflifeHeader * hdr = Header;
-	u32 i;
-
-	if (level == 0)
-	{
-		printf (
-			"Bones: %d\n"
-			"Bone Controllers: %d\n"
-			"Hit Boxes: %d\n"
-			"Sequences: %d\n"
-			"Sequence Groups: %d\n",
-			hdr->numbones,
-			hdr->numbonecontrollers,
-			hdr->numhitboxes,
-			hdr->numseq,
-			hdr->numseqgroups
-			);
-		printf (
-			"Textures: %d\n"
-			"Skin Families: %d\n"
-			"Bodyparts: %d\n"
-			"Attachments: %d\n"
-			"Transitions: %d\n",
-			hdr->numtextures,
-			hdr->numskinfamilies,
-			hdr->numbodyparts,
-			hdr->numattachments,
-			hdr->numtransitions);
-		return;
-	}
-
-	printf("id: %c%c%c%c\n", phdr[0], phdr[1], phdr[2], phdr[3]);
-	printf("version: %d\n", hdr->version);
-	printf("name: \"%s\"\n", hdr->name);
-	printf("length: %d\n\n", hdr->length);
-
-	printf("eyeposition: %f %f %f\n", hdr->eyeposition[0], hdr->eyeposition[1], hdr->eyeposition[2]);
-	printf("min: %f %f %f\n", hdr->min[0], hdr->min[1], hdr->min[2]);
-	printf("max: %f %f %f\n", hdr->max[0], hdr->max[1], hdr->max[2]);
-	printf("bbmin: %f %f %f\n", hdr->bbmin[0], hdr->bbmin[1], hdr->bbmin[2]);
-	printf("bbmax: %f %f %f\n", hdr->bbmax[0], hdr->bbmax[1], hdr->bbmax[2]);
-
-	printf("flags: %d\n\n", hdr->flags);
-
-	printf("numbones: %d\n", hdr->numbones);
-	for (i = 0; i < hdr->numbones; i++)
-	{
-		const SHalflifeBone *bone = (const SHalflifeBone *) (phdr + hdr->boneindex);
-		printf("bone %d.name: \"%s\"\n", i + 1, bone[i].name);
-		printf("bone %d.parent: %d\n", i + 1, bone[i].parent);
-		printf("bone %d.flags: %d\n", i + 1, bone[i].flags);
-		printf("bone %d.bonecontroller: %d %d %d %d %d %d\n", i + 1, bone[i].bonecontroller[0], bone[i].bonecontroller[1], bone[i].bonecontroller[2], bone[i].bonecontroller[3], bone[i].bonecontroller[4], bone[i].bonecontroller[5]);
-		printf("bone %d.value: %f %f %f %f %f %f\n", i + 1, bone[i].value[0], bone[i].value[1], bone[i].value[2], bone[i].value[3], bone[i].value[4], bone[i].value[5]);
-		printf("bone %d.scale: %f %f %f %f %f %f\n", i + 1, bone[i].scale[0], bone[i].scale[1], bone[i].scale[2], bone[i].scale[3], bone[i].scale[4], bone[i].scale[5]);
-	}
-
-	printf("\nnumbonecontrollers: %d\n", hdr->numbonecontrollers);
-	const SHalflifeBoneController *bonecontrollers = (const SHalflifeBoneController *) (phdr + hdr->bonecontrollerindex);
-	for (i = 0; i < hdr->numbonecontrollers; i++)
-	{
-		printf("bonecontroller %d.bone: %d\n", i + 1, bonecontrollers[i].bone);
-		printf("bonecontroller %d.type: %d\n", i + 1, bonecontrollers[i].type);
-		printf("bonecontroller %d.start: %f\n", i + 1, bonecontrollers[i].start);
-		printf("bonecontroller %d.end: %f\n", i + 1, bonecontrollers[i].end);
-		printf("bonecontroller %d.rest: %d\n", i + 1, bonecontrollers[i].rest);
-		printf("bonecontroller %d.index: %d\n", i + 1, bonecontrollers[i].index);
-	}
-
-	printf("\nnumhitboxes: %d\n", hdr->numhitboxes);
-	const SHalflifeBBox *box = (const SHalflifeBBox *) (phdr + hdr->hitboxindex);
-	for (i = 0; i < hdr->numhitboxes; i++)
-	{
-		printf("hitbox %d.bone: %d\n", i + 1, box[i].bone);
-		printf("hitbox %d.group: %d\n", i + 1, box[i].group);
-		printf("hitbox %d.bbmin: %f %f %f\n", i + 1, box[i].bbmin[0], box[i].bbmin[1], box[i].bbmin[2]);
-		printf("hitbox %d.bbmax: %f %f %f\n", i + 1, box[i].bbmax[0], box[i].bbmax[1], box[i].bbmax[2]);
-	}
-
-	printf("\nnumseq: %d\n", hdr->numseq);
-	const SHalflifeSequence *seq = (const SHalflifeSequence *) (phdr + hdr->seqindex);
-	for (i = 0; i < hdr->numseq; i++)
-	{
-		printf("seqdesc %d.label: \"%s\"\n", i + 1, seq[i].label);
-		printf("seqdesc %d.fps: %f\n", i + 1, seq[i].fps);
-		printf("seqdesc %d.flags: %d\n", i + 1, seq[i].flags);
-		printf("<...>\n");
-	}
-
-	printf("\nnumseqgroups: %d\n", hdr->numseqgroups);
-	for (i = 0; i < hdr->numseqgroups; i++)
-	{
-		const SHalflifeSequenceGroup *group = (const SHalflifeSequenceGroup *) (phdr + hdr->seqgroupindex);
-		printf("\nseqgroup %d.label: \"%s\"\n", i + 1, group[i].label);
-		printf("\nseqgroup %d.namel: \"%s\"\n", i + 1, group[i].name);
-		printf("\nseqgroup %d.data: %d\n", i + 1, group[i].data);
-	}
-
-	printf("\nnumskinref: %d\n", hdr->numskinref);
-	printf("numskinfamilies: %d\n", hdr->numskinfamilies);
-
-	printf("\nnumbodyparts: %d\n", hdr->numbodyparts);
-	const SHalflifeBody *pbodyparts = (const SHalflifeBody*) ((const u8*) hdr + hdr->bodypartindex);
-	for (i = 0; i < hdr->numbodyparts; i++)
-	{
-		printf("bodypart %d.name: \"%s\"\n", i + 1, pbodyparts[i].name);
-		printf("bodypart %d.nummodels: %d\n", i + 1, pbodyparts[i].nummodels);
-		printf("bodypart %d.base: %d\n", i + 1, pbodyparts[i].base);
-		printf("bodypart %d.modelindex: %d\n", i + 1, pbodyparts[i].modelindex);
-	}
-
-	printf("\nnumattachments: %d\n", hdr->numattachments);
-	for (i = 0; i < hdr->numattachments; i++)
-	{
-		const SHalflifeAttachment *attach = (const SHalflifeAttachment *) ((const u8*) hdr + hdr->attachmentindex);
-		printf("attachment %d.name: \"%s\"\n", i + 1, attach[i].name);
-	}
-
-	hdr = TextureHeader;
-	printf("\nnumtextures: %d\n", hdr->numtextures);
-	printf("textureindex: %d\n", hdr->textureindex);
-	printf("texturedataindex: %d\n", hdr->texturedataindex);
-	const SHalflifeTexture *ptextures = (const SHalflifeTexture *) ((const u8*) hdr + hdr->textureindex);
-	for (i = 0; i < hdr->numtextures; i++)
-	{
-		printf("texture %d.name: \"%s\"\n", i + 1, ptextures[i].name);
-		printf("texture %d.flags: %d\n", i + 1, ptextures[i].flags);
-		printf("texture %d.width: %d\n", i + 1, ptextures[i].width);
-		printf("texture %d.height: %d\n", i + 1, ptextures[i].height);
-		printf("texture %d.index: %d\n", i + 1, ptextures[i].index);
-	}
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::ExtractBbox(s32 sequence, core::aabbox3df &box) const
-{
-	const SHalflifeSequence *seq = (const SHalflifeSequence *)((const u8*)Header + Header->seqindex) + sequence;
-
-	box.MinEdge.X = seq[0].bbmin[0];
-	box.MinEdge.Y = seq[0].bbmin[1];
-	box.MinEdge.Z = seq[0].bbmin[2];
-
-	box.MaxEdge.X = seq[0].bbmax[0];
-	box.MaxEdge.Y = seq[0].bbmax[1];
-	box.MaxEdge.Z = seq[0].bbmax[2];
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::calcBoneAdj()
-{
-	const SHalflifeBoneController *bonecontroller =
-		(const SHalflifeBoneController *)((const u8*) Header + Header->bonecontrollerindex);
-
-	for (u32 j = 0; j < Header->numbonecontrollers; j++)
-	{
-		const s32 i = bonecontroller[j].index;
-		// check for 360% wrapping
-		f32 value;
-		if (bonecontroller[j].type & STUDIO_RLOOP)
-		{
-			value = BoneController[i] * (360.f/256.f) + bonecontroller[j].start;
-		}
-		else
-		{
-			const f32 range = i <= 3 ? 255.f : 64.f;
-			value = core::clamp(BoneController[i] / range,0.f,1.f);
-			value = (1.f - value) * bonecontroller[j].start + value * bonecontroller[j].end;
-		}
-
-		switch(bonecontroller[j].type & STUDIO_TYPES)
-		{
-		case STUDIO_XR:
-		case STUDIO_YR:
-		case STUDIO_ZR:
-			BoneAdj[j] = value * core::DEGTORAD;
-			break;
-		case STUDIO_X:
-		case STUDIO_Y:
-		case STUDIO_Z:
-			BoneAdj[j] = value;
-			break;
-		}
-	}
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::calcBoneQuaternion(const s32 frame, const SHalflifeBone * const bone,
-		SHalflifeAnimOffset *anim, const u32 j, f32& angle1, f32& angle2) const
-{
-	// three vector components
-	if (anim->offset[j+3] == 0)
-	{
-		angle2 = angle1 = bone->value[j+3]; // default
-	}
-	else
-	{
-		SHalflifeAnimationFrame *animvalue = (SHalflifeAnimationFrame *)((u8*)anim + anim->offset[j+3]);
-		s32 k = frame;
-		while (animvalue->num.total <= k)
-		{
-			k -= animvalue->num.total;
-			animvalue += animvalue->num.valid + 1;
-		}
-		// Bah, missing blend!
-		if (animvalue->num.valid > k)
-		{
-			angle1 = animvalue[k+1].value;
-
-			if (animvalue->num.valid > k + 1)
-			{
-				angle2 = animvalue[k+2].value;
-			}
-			else
-			{
-				if (animvalue->num.total > k + 1)
-					angle2 = angle1;
-				else
-					angle2 = animvalue[animvalue->num.valid+2].value;
-			}
-		}
-		else
-		{
-			angle1 = animvalue[animvalue->num.valid].value;
-			if (animvalue->num.total > k + 1)
-			{
-				angle2 = angle1;
-			}
-			else
-			{
-				angle2 = animvalue[animvalue->num.valid + 2].value;
-			}
-		}
-		angle1 = bone->value[j+3] + angle1 * bone->scale[j+3];
-		angle2 = bone->value[j+3] + angle2 * bone->scale[j+3];
-	}
-
-	if (bone->bonecontroller[j+3] != -1)
-	{
-		angle1 += BoneAdj[bone->bonecontroller[j+3]];
-		angle2 += BoneAdj[bone->bonecontroller[j+3]];
-	}
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::calcBonePosition(const s32 frame, f32 s,
-		const SHalflifeBone * const bone, SHalflifeAnimOffset *anim, f32 *pos) const
-{
-	for (s32 j = 0; j < 3; ++j)
-	{
-		pos[j] = bone->value[j]; // default;
-		if (anim->offset[j] != 0)
-		{
-			SHalflifeAnimationFrame	*animvalue = (SHalflifeAnimationFrame *)((u8*)anim + anim->offset[j]);
-
-			s32 k = frame;
-			// find span of values that includes the frame we want
-			while (animvalue->num.total <= k)
-			{
-				k -= animvalue->num.total;
-				animvalue += animvalue->num.valid + 1;
-			}
-			// if we're inside the span
-			if (animvalue->num.valid > k)
-			{
-				// and there's more data in the span
-				if (animvalue->num.valid > k + 1)
-				{
-					pos[j] += (animvalue[k+1].value * (1.f - s) + s * animvalue[k+2].value) * bone->scale[j];
-				}
-				else
-				{
-					pos[j] += animvalue[k+1].value * bone->scale[j];
-				}
-			}
-			else
-			{
-				// are we at the end of the repeating values section and there's another section with data?
-				if (animvalue->num.total <= k + 1)
-				{
-					pos[j] += (animvalue[animvalue->num.valid].value * (1.f - s) + s * animvalue[animvalue->num.valid + 2].value) * bone->scale[j];
-				}
-				else
-				{
-					pos[j] += animvalue[animvalue->num.valid].value * bone->scale[j];
-				}
-			}
-		}
-		if (bone->bonecontroller[j] != -1)
-		{
-			pos[j] += BoneAdj[bone->bonecontroller[j]];
-		}
-	}
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::calcRotations(vec3_hl *pos, vec4_hl *q,
-		SHalflifeSequence *seq, SHalflifeAnimOffset *anim, f32 f)
-{
-	s32 frame = (s32)f;
-	f32 s = (f - frame);
-
-	// add in programatic controllers
-	calcBoneAdj();
-
-	SHalflifeBone *bone = (SHalflifeBone *)((u8 *)Header + Header->boneindex);
-	for ( u32 i = 0; i < Header->numbones; i++, bone++, anim++)
-	{
-		core::vector3df angle1, angle2;
-		calcBoneQuaternion(frame, bone, anim, 0, angle1.X, angle2.X);
-		calcBoneQuaternion(frame, bone, anim, 1, angle1.Y, angle2.Y);
-		calcBoneQuaternion(frame, bone, anim, 2, angle1.Z, angle2.Z);
-
-		if (!angle1.equals(angle2))
-		{
-			vec4_hl q1, q2;
-			AngleQuaternion( angle1, q1 );
-			AngleQuaternion( angle2, q2 );
-			QuaternionSlerp( q1, q2, s, q[i] );
-		}
-		else
-		{
-			AngleQuaternion( angle1, q[i] );
-		}
-
-		calcBonePosition(frame, s, bone, anim, pos[i]);
-	}
-
-	if (seq->motiontype & STUDIO_X)
-		pos[seq->motionbone][0] = 0.f;
-	if (seq->motiontype & STUDIO_Y)
-		pos[seq->motionbone][1] = 0.f;
-	if (seq->motiontype & STUDIO_Z)
-		pos[seq->motionbone][2] = 0.f;
-}
-
-
-/*!
-*/
-SHalflifeAnimOffset * CAnimatedMeshHalfLife::getAnim( SHalflifeSequence *seq )
-{
-	SHalflifeSequenceGroup *seqgroup = (SHalflifeSequenceGroup *)((u8*)Header + Header->seqgroupindex) + seq->seqgroup;
-
-	if (seq->seqgroup == 0)
-	{
-		return (SHalflifeAnimOffset *)((u8*)Header + seqgroup->data + seq->animindex);
-	}
-
-	return (SHalflifeAnimOffset *)((u8*)AnimationHeader[seq->seqgroup] + seq->animindex);
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::slerpBones(vec4_hl q1[], vec3_hl pos1[], vec4_hl q2[], vec3_hl pos2[], f32 s)
-{
-	if (s < 0)
-		s = 0;
-	else if (s > 1.f)
-		s = 1.f;
-
-	f32 s1 = 1.f - s;
-
-	for ( u32 i = 0; i < Header->numbones; i++)
-	{
-		vec4_hl q3;
-		QuaternionSlerp( q1[i], q2[i], s, q3 );
-		q1[i][0] = q3[0];
-		q1[i][1] = q3[1];
-		q1[i][2] = q3[2];
-		q1[i][3] = q3[3];
-		pos1[i][0] = pos1[i][0] * s1 + pos2[i][0] * s;
-		pos1[i][1] = pos1[i][1] * s1 + pos2[i][1] * s;
-		pos1[i][2] = pos1[i][2] * s1 + pos2[i][2] * s;
-	}
-}
-
-
-/*!
-*/
-void CAnimatedMeshHalfLife::setUpBones()
-{
-	static vec3_hl pos[MAXSTUDIOBONES];
-	f32 bonematrix[3][4];
-	static vec4_hl q[MAXSTUDIOBONES];
-
-	static vec3_hl pos2[MAXSTUDIOBONES];
-	static vec4_hl q2[MAXSTUDIOBONES];
-	static vec3_hl pos3[MAXSTUDIOBONES];
-	static vec4_hl q3[MAXSTUDIOBONES];
-	static vec3_hl pos4[MAXSTUDIOBONES];
-	static vec4_hl q4[MAXSTUDIOBONES];
-
-	if (SequenceIndex >= Header->numseq)
-		SequenceIndex = 0;
-
-	SHalflifeSequence *seq = (SHalflifeSequence *)((u8*) Header + Header->seqindex) + SequenceIndex;
-
-	SHalflifeAnimOffset *anim = getAnim(seq);
-	calcRotations(pos, q, seq, anim, CurrentFrame);
-
-	if (seq->numblends > 1)
-	{
-		anim += Header->numbones;
-		calcRotations( pos2, q2, seq, anim, CurrentFrame );
-		f32 s = Blending[0] / 255.f;
-
-		slerpBones( q, pos, q2, pos2, s );
-
-		if (seq->numblends == 4)
-		{
-			anim += Header->numbones;
-			calcRotations( pos3, q3, seq, anim, CurrentFrame );
-
-			anim += Header->numbones;
-			calcRotations( pos4, q4, seq, anim, CurrentFrame );
-
-			s = Blending[0] / 255.f;
-			slerpBones( q3, pos3, q4, pos4, s );
-
-			s = Blending[1] / 255.f;
-			slerpBones( q, pos, q3, pos3, s );
-		}
-	}
-
-	SHalflifeBone *bone = (SHalflifeBone *)((u8*) Header + Header->boneindex);
-
-	for (u32 i = 0; i < Header->numbones; i++)
-	{
-		QuaternionMatrix( q[i], bonematrix );
-
-		bonematrix[0][3] = pos[i][0];
-		bonematrix[1][3] = pos[i][1];
-		bonematrix[2][3] = pos[i][2];
-
-		if (bone[i].parent == -1) {
-			memcpy(BoneTransform[i], bonematrix, sizeof(f32) * 12);
-		}
-		else {
-			R_ConcatTransforms (BoneTransform[bone[i].parent], bonematrix, BoneTransform[i]);
-		}
-	}
-}
-
-
-//! Returns an axis aligned bounding box
-const core::aabbox3d<f32>& CAnimatedMeshHalfLife::getBoundingBox() const
-{
-	return MeshIPol->BoundingBox;
-}
-
-
-//! Returns the type of the animated mesh.
-E_ANIMATED_MESH_TYPE CAnimatedMeshHalfLife::getMeshType() const
-{
-	return EAMT_MDL_HALFLIFE;
-}
-
-
-//! returns amount of mesh buffers.
-u32 CAnimatedMeshHalfLife::getMeshBufferCount() const
-{
-	return MeshIPol->getMeshBufferCount();
-}
-
-
-//! returns pointer to a mesh buffer
-IMeshBuffer* CAnimatedMeshHalfLife::getMeshBuffer(u32 nr) const
-{
-	return MeshIPol->getMeshBuffer(nr);
-}
-
-
-//! Returns pointer to a mesh buffer which fits a material
-/** \param material: material to search for
-\return Returns the pointer to the mesh buffer or
-NULL if there is no such mesh buffer. */
-IMeshBuffer* CAnimatedMeshHalfLife::getMeshBuffer(const video::SMaterial &material) const
-{
-	return MeshIPol->getMeshBuffer(material);
-}
-
-
-void CAnimatedMeshHalfLife::setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue)
-{
-	MeshIPol->setMaterialFlag ( flag, newvalue );
-}
-
-
-//! set user axis aligned bounding box
-void CAnimatedMeshHalfLife::setBoundingBox(const core::aabbox3df& box)
-{
-	MeshIPol->setBoundingBox(box);
-}
-
-
-} // end namespace scene
-} // end namespace irr
-
-#endif // _IRR_COMPILE_WITH_MD3_LOADER_
-
+// Copyright (C) 2002-2012 Nikolaus Gebhardt / Fabio Concas / Thomas Alten
+// 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_HALFLIFE_LOADER_
+
+#include "CAnimatedMeshHalfLife.h"
+#include "os.h"
+#include "CColorConverter.h"
+#include "CImage.h"
+#include "coreutil.h"
+#include "SMeshBuffer.h"
+#include "IVideoDriver.h"
+#include "IFileSystem.h"
+
+namespace irr
+{
+namespace scene
+{
+
+	using namespace video;
+
+	void AngleQuaternion(const core::vector3df& angles, vec4_hl quaternion)
+	{
+		f32		angle;
+		f32		sr, sp, sy, cr, cp, cy;
+
+		// FIXME: rescale the inputs to 1/2 angle
+		angle = angles.Z * 0.5f;
+		sy = sin(angle);
+		cy = cos(angle);
+		angle = angles.Y * 0.5f;
+		sp = sin(angle);
+		cp = cos(angle);
+		angle = angles.X * 0.5f;
+		sr = sin(angle);
+		cr = cos(angle);
+
+		quaternion[0] = sr*cp*cy-cr*sp*sy; // X
+		quaternion[1] = cr*sp*cy+sr*cp*sy; // Y
+		quaternion[2] = cr*cp*sy-sr*sp*cy; // Z
+		quaternion[3] = cr*cp*cy+sr*sp*sy; // W
+	}
+
+	void QuaternionMatrix( const vec4_hl quaternion, f32 (*matrix)[4] )
+	{
+		matrix[0][0] = 1.f - 2.f * quaternion[1] * quaternion[1] - 2.f * quaternion[2] * quaternion[2];
+		matrix[1][0] = 2.f * quaternion[0] * quaternion[1] + 2.f * quaternion[3] * quaternion[2];
+		matrix[2][0] = 2.f * quaternion[0] * quaternion[2] - 2.f * quaternion[3] * quaternion[1];
+
+		matrix[0][1] = 2.f * quaternion[0] * quaternion[1] - 2.f * quaternion[3] * quaternion[2];
+		matrix[1][1] = 1.f - 2.f * quaternion[0] * quaternion[0] - 2.f * quaternion[2] * quaternion[2];
+		matrix[2][1] = 2.f * quaternion[1] * quaternion[2] + 2.f * quaternion[3] * quaternion[0];
+
+		matrix[0][2] = 2.f * quaternion[0] * quaternion[2] + 2.f * quaternion[3] * quaternion[1];
+		matrix[1][2] = 2.f * quaternion[1] * quaternion[2] - 2.f * quaternion[3] * quaternion[0];
+		matrix[2][2] = 1.f - 2.f * quaternion[0] * quaternion[0] - 2.f * quaternion[1] * quaternion[1];
+	}
+
+	void QuaternionSlerp( const vec4_hl p, vec4_hl q, f32 t, vec4_hl qt )
+	{
+		s32 i;
+		f32 omega, cosom, sinom, sclp, sclq;
+
+		// decide if one of the quaternions is backwards
+		f32 a = 0;
+		f32 b = 0;
+		for (i = 0; i < 4; i++) {
+			a += (p[i]-q[i])*(p[i]-q[i]);
+			b += (p[i]+q[i])*(p[i]+q[i]);
+		}
+		if (a > b) {
+			for (i = 0; i < 4; i++) {
+				q[i] = -q[i];
+			}
+		}
+
+		cosom = p[0]*q[0] + p[1]*q[1] + p[2]*q[2] + p[3]*q[3];
+
+		if ((1.f + cosom) > 0.00000001) {
+			if ((1.f - cosom) > 0.00000001) {
+				omega = acos( cosom );
+				sinom = sin( omega );
+				sclp = sin( (1.f - t)*omega) / sinom;
+				sclq = sin( t*omega ) / sinom;
+			}
+			else {
+				sclp = 1.f - t;
+				sclq = t;
+			}
+			for (i = 0; i < 4; i++) {
+				qt[i] = sclp * p[i] + sclq * q[i];
+			}
+		}
+		else {
+			qt[0] = -p[1];
+			qt[1] = p[0];
+			qt[2] = -p[3];
+			qt[3] = p[2];
+			sclp = sin( (1.f - t) * 0.5f * core::PI);
+			sclq = sin( t * 0.5f * core::PI);
+			for (i = 0; i < 3; i++) {
+				qt[i] = sclp * p[i] + sclq * qt[i];
+			}
+		}
+	}
+
+	void R_ConcatTransforms (const f32 in1[3][4], const f32 in2[3][4], f32 out[3][4])
+	{
+		out[0][0] = in1[0][0] * in2[0][0] + in1[0][1] * in2[1][0] + in1[0][2] * in2[2][0];
+		out[0][1] = in1[0][0] * in2[0][1] + in1[0][1] * in2[1][1] + in1[0][2] * in2[2][1];
+		out[0][2] = in1[0][0] * in2[0][2] + in1[0][1] * in2[1][2] + in1[0][2] * in2[2][2];
+		out[0][3] = in1[0][0] * in2[0][3] + in1[0][1] * in2[1][3] + in1[0][2] * in2[2][3] + in1[0][3];
+		out[1][0] = in1[1][0] * in2[0][0] + in1[1][1] * in2[1][0] + in1[1][2] * in2[2][0];
+		out[1][1] = in1[1][0] * in2[0][1] + in1[1][1] * in2[1][1] + in1[1][2] * in2[2][1];
+		out[1][2] = in1[1][0] * in2[0][2] + in1[1][1] * in2[1][2] + in1[1][2] * in2[2][2];
+		out[1][3] = in1[1][0] * in2[0][3] + in1[1][1] * in2[1][3] + in1[1][2] * in2[2][3] + in1[1][3];
+		out[2][0] = in1[2][0] * in2[0][0] + in1[2][1] * in2[1][0] + in1[2][2] * in2[2][0];
+		out[2][1] = in1[2][0] * in2[0][1] + in1[2][1] * in2[1][1] + in1[2][2] * in2[2][1];
+		out[2][2] = in1[2][0] * in2[0][2] + in1[2][1] * in2[1][2] + in1[2][2] * in2[2][2];
+		out[2][3] = in1[2][0] * in2[0][3] + in1[2][1] * in2[1][3] + in1[2][2] * in2[2][3] + in1[2][3];
+	}
+
+	#define DotProduct(x,y) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2])
+
+	inline void VectorTransform(const vec3_hl in1, const f32 in2[3][4], core::vector3df& out)
+	{
+		out.X = DotProduct(in1, in2[0]) + in2[0][3];
+		out.Z = DotProduct(in1, in2[1]) + in2[1][3];
+		out.Y = DotProduct(in1, in2[2]) + in2[2][3];
+	}
+
+	static f32 BoneTransform[MAXSTUDIOBONES][3][4];	// bone transformation matrix
+
+	void getBoneVector ( core::vector3df &out, u32 index )
+	{
+		out.X = BoneTransform[index][0][3];
+		out.Z = BoneTransform[index][1][3];
+		out.Y = BoneTransform[index][2][3];
+	}
+
+	void getBoneBox ( core::aabbox3df &box, u32 index, f32 size = 0.5f )
+	{
+		box.MinEdge.X = BoneTransform[index][0][3] - size;
+		box.MinEdge.Z = BoneTransform[index][1][3] - size;
+		box.MinEdge.Y = BoneTransform[index][2][3] - size;
+
+		size *= 2.f;
+		box.MaxEdge.X = box.MinEdge.X + size;
+		box.MaxEdge.Y = box.MinEdge.Y + size;
+		box.MaxEdge.Z = box.MinEdge.Z + size;
+	}
+
+	void getTransformedBoneVector ( core::vector3df &out, u32 index, const vec3_hl in)
+	{
+		out.X = DotProduct(in, BoneTransform[index][0]) + BoneTransform[index][0][3];
+		out.Z = DotProduct(in, BoneTransform[index][1]) + BoneTransform[index][1][3];
+		out.Y = DotProduct(in, BoneTransform[index][2]) + BoneTransform[index][2][3];
+
+	}
+
+
+//! Constructor
+CHalflifeMDLMeshFileLoader::CHalflifeMDLMeshFileLoader(
+		scene::ISceneManager* smgr) : SceneManager(smgr)
+{
+#ifdef _DEBUG
+	setDebugName("CHalflifeMDLMeshFileLoader");
+#endif
+}
+
+
+//! returns true if the file maybe is able to be loaded by this class
+//! based on the file extension (e.g. ".bsp")
+bool CHalflifeMDLMeshFileLoader::isALoadableFileExtension(const io::path& filename) const
+{
+	return core::hasFileExtension(filename, "mdl");
+}
+
+
+//! creates/loads an animated mesh from the file.
+//! \return Pointer to the created mesh. Returns 0 if loading failed.
+//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
+//! See IReferenceCounted::drop() for more information.
+IAnimatedMesh* CHalflifeMDLMeshFileLoader::createMesh(io::IReadFile* file)
+{
+	CAnimatedMeshHalfLife* msh = new CAnimatedMeshHalfLife();
+	if (msh)
+	{
+		if (msh->loadModelFile(file, SceneManager))
+			return msh;
+		msh->drop();
+	}
+
+	return 0;
+}
+
+
+//! Constructor
+CAnimatedMeshHalfLife::CAnimatedMeshHalfLife()
+	: FrameCount(0), MeshIPol(0), SceneManager(0), Header(0), TextureHeader(0),
+	OwnTexModel(false), SequenceIndex(0), CurrentFrame(0), FramesPerSecond(25.f),
+	SkinGroupSelection(0)
+#ifdef HL_TEXTURE_ATLAS
+	, TextureMaster(0)
+#endif
+{
+#ifdef _DEBUG
+	setDebugName("CAnimatedMeshHalfLife");
+#endif
+	initData();
+}
+
+/*!
+	loads a complete model
+*/
+bool CAnimatedMeshHalfLife::loadModelFile(io::IReadFile* file,
+		ISceneManager* smgr)
+{
+	if (!file)
+		return false;
+
+	SceneManager = smgr;
+
+	if ( loadModel(file, file->getFileName()) )
+	{
+		if ( postLoadModel ( file->getFileName() ) )
+		{
+			initModel ();
+			//dumpModelInfo ( 1 );
+			return true;
+		}
+	}
+	return false;
+}
+
+
+//! Destructor
+CAnimatedMeshHalfLife::~CAnimatedMeshHalfLife()
+{
+	delete [] (u8*) Header;
+	if (OwnTexModel)
+		delete [] (u8*) TextureHeader;
+
+	for (u32 i = 0; i < 32; ++i)
+		delete [] (u8*) AnimationHeader[i];
+
+	if (MeshIPol)
+		MeshIPol->drop();
+}
+
+
+//! Returns the amount of frames in milliseconds. If the amount is 1, it is a static (=non animated) mesh.
+u32 CAnimatedMeshHalfLife::getFrameCount() const
+{
+	return FrameCount;
+}
+
+
+//! set the hardware mapping hint, for driver
+void CAnimatedMeshHalfLife::setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint,E_BUFFER_TYPE buffer)
+{
+}
+
+
+//! flags the meshbuffer as changed, reloads hardware buffers
+void CAnimatedMeshHalfLife::setDirty(E_BUFFER_TYPE buffer)
+{
+}
+
+
+static core::vector3df TransformedVerts[MAXSTUDIOVERTS];	// transformed vertices
+//static core::vector3df TransformedNormals[MAXSTUDIOVERTS];	// light surface normals
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::initModel()
+{
+	// init Sequences to Animation
+	KeyFrameInterpolation ipol;
+	ipol.Name.reserve ( 64 );
+	u32 i;
+
+	AnimList.clear();
+	FrameCount = 0;
+
+	SHalflifeSequence *seq = (SHalflifeSequence*) ((u8*) Header + Header->seqindex);
+	for ( i = 0; i < Header->numseq; i++)
+	{
+		ipol.Name = seq[i].label;
+		ipol.StartFrame = FrameCount;
+		ipol.Frames = core::max_ ( 1, seq[i].numframes - 1 );
+		ipol.EndFrame = ipol.StartFrame + ipol.Frames - 1;
+		ipol.FramesPerSecond = seq[i].fps;
+		ipol.AnimationType = seq[i].flags & STUDIO_LOOPING ? EAMT_LOOPING : EAMT_WAYPOINT;
+		AnimList.push_back ( ipol );
+
+		FrameCount += ipol.Frames;
+	}
+
+	// initBoneControllers
+/*
+	SHalflifeBoneController *bonecontroller = (SHalflifeBoneController *)((u8*) Header + Header->bonecontrollerindex);
+	for ( i = 0; i < Header->numbonecontrollers; i++)
+	{
+		printf ( "BoneController%d index:%d%s range:%f - %f\n",
+			i,
+			bonecontroller[i].index, bonecontroller[i].index == MOUTH_CONTROLLER ? " (Mouth)": "",
+			bonecontroller[i].start,bonecontroller[i].end
+			);
+	}
+
+	// initSkins
+	for (i = 0; i < TextureHeader->numskinfamilies; i++)
+	{
+		printf ( "Skin%d\n", i + 1);
+	}
+*/
+
+	// initBodyparts
+	u32 meshBuffer = 0;
+	BodyList.clear();
+	SHalflifeBody *body = (SHalflifeBody *) ((u8*) Header + Header->bodypartindex);
+	for (i=0; i < Header->numbodyparts; ++i)
+	{
+		BodyPart part;
+		part.name = body[i].name;
+		part.defaultModel = core::max_ ( 0, (s32) body[i].base - 1 );
+
+		SHalflifeModel * model = (SHalflifeModel *)((u8*) Header + body[i].modelindex);
+		for ( u32 g = 0; g < body[i].nummodels; ++g)
+		{
+			SubModel sub;
+			sub.name = model[g].name;
+			sub.startBuffer = meshBuffer;
+			sub.endBuffer = sub.startBuffer + model[g].nummesh;
+			sub.state = g == part.defaultModel;
+			part.model.push_back ( sub );
+			meshBuffer += model[g].nummesh;
+		}
+		BodyList.push_back ( part );
+	}
+
+	SequenceIndex = 0;
+	CurrentFrame = 0.f;
+
+	SetController(0, 0.f);
+	SetController(1, 0.f);
+	SetController(2, 0.f);
+	SetController(3, 0.f);
+	SetController(MOUTH_CONTROLLER, 0.f);
+
+	SetSkin (0);
+
+	// init Meshbuffers
+	const SHalflifeTexture *tex = (SHalflifeTexture *) ((u8*) TextureHeader + TextureHeader->textureindex);
+	const u16 *skinref = (u16 *)((u8*)TextureHeader + TextureHeader->skinindex);
+	if ((SkinGroupSelection != 0) && (SkinGroupSelection < TextureHeader->numskinfamilies))
+		skinref += (SkinGroupSelection * TextureHeader->numskinref);
+
+	core::vector2df tex_scale;
+	core::vector2di tex_trans ( 0, 0 );
+
+#ifdef HL_TEXTURE_ATLAS
+	TextureAtlas.getScale(tex_scale);
+#endif
+
+	for (u32 bodypart=0 ; bodypart < Header->numbodyparts ; ++bodypart)
+	{
+		const SHalflifeBody *body = (SHalflifeBody *)((u8*) Header + Header->bodypartindex) + bodypart;
+
+		for (u32 modelnr = 0; modelnr < body->nummodels; ++modelnr)
+		{
+			const SHalflifeModel *model = (SHalflifeModel *)((u8*) Header + body->modelindex) + modelnr;
+#if 0
+			const vec3_hl *studioverts = (vec3_hl *)((u8*)Header + model->vertindex);
+			const vec3_hl *studionorms = (vec3_hl *)((u8*)Header + model->normindex);
+#endif
+			for (i = 0; i < model->nummesh; ++i)
+			{
+				const SHalflifeMesh *mesh = (SHalflifeMesh *)((u8*)Header + model->meshindex) + i;
+				const SHalflifeTexture *currentex = &tex[skinref[mesh->skinref]];
+
+#ifdef HL_TEXTURE_ATLAS
+				TextureAtlas.getTranslation ( currentex->name, tex_trans );
+#else
+				tex_scale.X = 1.f/(f32)currentex->width;
+				tex_scale.Y = 1.f/(f32)currentex->height;
+#endif
+
+				SMeshBuffer * buffer = new SMeshBuffer();
+
+				// count index vertex size	indexcount = mesh->numtris * 3
+				u32 indexCount = 0;
+				u32 vertexCount = 0;
+
+				const s16 *tricmd = (s16*)((u8*)Header + mesh->triindex);
+				s32 c;
+				while ( (c = *(tricmd++)) )
+				{
+					if (c < 0)
+						c = -c;
+
+					indexCount += ( c - 2 ) * 3;
+					vertexCount += c;
+					tricmd += ( 4 * c );
+				}
+
+				// indices
+				buffer->Indices.set_used ( indexCount );
+				buffer->Vertices.set_used ( vertexCount );
+
+				// fill in static indices and vertex
+				u16 *index = buffer->Indices.pointer();
+				video::S3DVertex * v = buffer->Vertices.pointer();
+
+				// blow up gl_triangle_fan/gl_triangle_strip to indexed triangle list
+				E_PRIMITIVE_TYPE type;
+				vertexCount = 0;
+				indexCount = 0;
+				tricmd = (s16*)((u8*)Header + mesh->triindex);
+				while ( (c = *(tricmd++)) )
+				{
+					if (c < 0)
+					{
+						// triangle fan
+						c = -c;
+						type = EPT_TRIANGLE_FAN;
+					}
+					else
+					{
+						type = EPT_TRIANGLE_STRIP;
+					}
+
+					for ( s32 g = 0; g < c; ++g, v += 1, tricmd += 4 )
+					{
+						// fill vertex
+	#if 0
+						const f32 *av = studioverts[tricmd[0]];
+						v->Pos.X = av[0];
+						v->Pos.Z = av[1];
+						v->Pos.Y = av[2];
+
+						av = studionorms[tricmd[1]];
+						v->Normal.X = av[0];
+						v->Normal.Z = av[1];
+						v->Normal.Y = av[2];
+
+	#endif
+						v->Normal.X = 0.f;
+						v->Normal.Z = 0.f;
+						v->Normal.Y = 1.f;
+
+						v->TCoords.X = (tex_trans.X + tricmd[2])*tex_scale.X;
+						v->TCoords.Y = (tex_trans.Y + tricmd[3])*tex_scale.Y;
+
+						v->Color.color = 0xFFFFFFFF;
+
+						// fill index
+						if ( g < c - 2 )
+						{
+							if ( type == EPT_TRIANGLE_FAN )
+							{
+								index[indexCount+0] = vertexCount;
+								index[indexCount+1] = vertexCount+g+1;
+								index[indexCount+2] = vertexCount+g+2;
+							}
+							else
+							{
+								if ( g & 1 )
+								{
+									index[indexCount+0] = vertexCount+g+1;
+									index[indexCount+1] = vertexCount+g+0;
+									index[indexCount+2] = vertexCount+g+2;
+								}
+								else
+								{
+									index[indexCount+0] = vertexCount+g+0;
+									index[indexCount+1] = vertexCount+g+1;
+									index[indexCount+2] = vertexCount+g+2;
+								}
+							}
+
+							indexCount += 3;
+						}
+					}
+
+					vertexCount += c;
+				}
+
+				// material
+				video::SMaterial &m = buffer->getMaterial();
+
+				m.MaterialType = video::EMT_SOLID;
+				m.BackfaceCulling = true;
+
+				if ( currentex->flags & STUDIO_NF_CHROME )
+				{
+					// don't know what to do with chrome here
+				}
+
+#ifdef HL_TEXTURE_ATLAS
+				io::path store = TextureBaseName + "atlas";
+#else
+				io::path fname;
+				io::path ext;
+				core::splitFilename ( currentex->name, 0, &fname, &ext );
+				io::path store = TextureBaseName + fname;
+#endif
+				m.TextureLayer[0].Texture = SceneManager->getVideoDriver()->getTexture ( store );
+				m.Lighting = false;
+
+				MeshIPol->addMeshBuffer(buffer);
+				buffer->recalculateBoundingBox();
+				buffer->drop();
+			} // mesh
+			MeshIPol->recalculateBoundingBox();
+		} // model
+	} // body part
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::buildVertices()
+{
+/*
+	const u16 *skinref = (u16 *)((u8*)TextureHeader + TextureHeader->skinindex);
+	if (SkinGroupSelection != 0 && SkinGroupSelection < TextureHeader->numskinfamilies)
+		skinref += (SkinGroupSelection * TextureHeader->numskinref);
+*/
+	u32 i;
+	s32 c,g;
+	const s16 *tricmd;
+
+	u32 meshBufferNr = 0;
+	for ( u32 bodypart = 0 ; bodypart < Header->numbodyparts; ++bodypart)
+	{
+		const SHalflifeBody *body = (SHalflifeBody *)((u8*) Header + Header->bodypartindex) + bodypart;
+
+		for ( u32 modelnr = 0; modelnr < body->nummodels; ++modelnr )
+		{
+			const SHalflifeModel *model = (SHalflifeModel *)((u8*) Header + body->modelindex) + modelnr;
+
+			const u8 *vertbone = ((u8*)Header + model->vertinfoindex);
+
+			const vec3_hl *studioverts = (vec3_hl *)((u8*)Header + model->vertindex);
+
+			for ( i = 0; i < model->numverts; i++)
+			{
+				VectorTransform ( studioverts[i],  BoneTransform[vertbone[i]], TransformedVerts[i]  );
+			}
+	/*
+			const u8 *normbone = ((u8*)Header + model->norminfoindex);
+			const vec3_hl *studionorms = (vec3_hl *)((u8*)Header + model->normindex);
+			for ( i = 0; i < model->numnorms; i++)
+			{
+				VectorTransform ( studionorms[i],  BoneTransform[normbone[i]], TransformedNormals[i]  );
+			}
+	*/
+			for (i = 0; i < model->nummesh; i++)
+			{
+				const SHalflifeMesh *mesh = (SHalflifeMesh *)((u8*)Header + model->meshindex) + i;
+
+				IMeshBuffer * buffer = MeshIPol->getMeshBuffer ( meshBufferNr++ );
+				video::S3DVertex* v = (video::S3DVertex* ) buffer->getVertices();
+
+				tricmd = (s16*)((u8*)Header + mesh->triindex);
+				while ( (c = *(tricmd++)) )
+				{
+					if (c < 0)
+						c = -c;
+
+					for ( g = 0; g < c; ++g, v += 1, tricmd += 4 )
+					{
+						// fill vertex
+						const core::vector3df& av = TransformedVerts[tricmd[0]];
+						v->Pos = av;
+	/*
+						const core::vector3df& an = TransformedNormals[tricmd[1]];
+						v->Normal = an;
+						//v->Normal.normalize();
+	*/
+					}
+				} // tricmd
+			} // nummesh
+		} // model
+	} // bodypart
+}
+
+
+/*!
+	render Bones
+*/
+void CAnimatedMeshHalfLife::renderModel(u32 param, IVideoDriver * driver, const core::matrix4 &absoluteTransformation)
+{
+	SHalflifeBone *bone = (SHalflifeBone *) ((u8 *) Header + Header->boneindex);
+
+	video::SColor blue(0xFF000080);
+	video::SColor red(0xFF800000);
+	video::SColor yellow(0xFF808000);
+	video::SColor cyan(0xFF008080);
+
+	core::aabbox3df box;
+
+	u32 i;
+	for ( i = 0; i < Header->numbones; i++)
+	{
+		if (bone[i].parent >= 0)
+		{
+			getBoneVector ( box.MinEdge, bone[i].parent );
+			getBoneVector ( box.MaxEdge, i );
+			driver->draw3DLine ( box.MinEdge, box.MaxEdge, blue );
+
+			// draw parent bone node
+			if (bone[bone[i].parent].parent >=0 )
+			{
+				getBoneBox ( box, bone[i].parent );
+				driver->draw3DBox ( box, blue );
+			}
+			getBoneBox ( box, i );
+			driver->draw3DBox ( box, blue );
+		}
+		else
+		{
+			// draw parent bone node
+			getBoneBox ( box, i, 1.f );
+			driver->draw3DBox ( box , red );
+		}
+	}
+
+	// attachements
+	SHalflifeAttachment *attach = (SHalflifeAttachment *) ((u8*) Header + Header->attachmentindex);
+	core::vector3df v[8];
+	for ( i = 0; i < Header->numattachments; i++)
+	{
+		getTransformedBoneVector ( v[0],attach[i].bone,attach[i].org );
+		getTransformedBoneVector ( v[1],attach[i].bone,attach[i].vectors[0] );
+		getTransformedBoneVector ( v[2],attach[i].bone,attach[i].vectors[1] );
+		getTransformedBoneVector ( v[3],attach[i].bone,attach[i].vectors[2] );
+		driver->draw3DLine ( v[0], v[1], cyan );
+		driver->draw3DLine ( v[0], v[2], cyan );
+		driver->draw3DLine ( v[0], v[3], cyan );
+	}
+
+	// hit boxes
+	SHalflifeBBox *hitbox = (SHalflifeBBox *) ((u8*) Header + Header->hitboxindex);
+	f32 *bbmin,*bbmax;
+	vec3_hl v2[8];
+	for (i = 0; i < Header->numhitboxes; i++)
+	{
+		bbmin = hitbox[i].bbmin;
+		bbmax = hitbox[i].bbmax;
+
+		v2[0][0] = bbmin[0];
+		v2[0][1] = bbmax[1];
+		v2[0][2] = bbmin[2];
+
+		v2[1][0] = bbmin[0];
+		v2[1][1] = bbmin[1];
+		v2[1][2] = bbmin[2];
+
+		v2[2][0] = bbmax[0];
+		v2[2][1] = bbmax[1];
+		v2[2][2] = bbmin[2];
+
+		v2[3][0] = bbmax[0];
+		v2[3][1] = bbmin[1];
+		v2[3][2] = bbmin[2];
+
+		v2[4][0] = bbmax[0];
+		v2[4][1] = bbmax[1];
+		v2[4][2] = bbmax[2];
+
+		v2[5][0] = bbmax[0];
+		v2[5][1] = bbmin[1];
+		v2[5][2] = bbmax[2];
+
+		v2[6][0] = bbmin[0];
+		v2[6][1] = bbmax[1];
+		v2[6][2] = bbmax[2];
+
+		v2[7][0] = bbmin[0];
+		v2[7][1] = bbmin[1];
+		v2[7][2] = bbmax[2];
+
+		for ( u32 g = 0; g < 8; ++g )
+			getTransformedBoneVector ( v[g],hitbox[i].bone,v2[g] );
+
+		driver->draw3DLine(v[0], v[1], yellow);
+		driver->draw3DLine(v[1], v[3], yellow);
+		driver->draw3DLine(v[3], v[2], yellow);
+		driver->draw3DLine(v[2], v[0], yellow);
+
+		driver->draw3DLine(v[4], v[5], yellow);
+		driver->draw3DLine(v[5], v[7], yellow);
+		driver->draw3DLine(v[7], v[6], yellow);
+		driver->draw3DLine(v[6], v[4], yellow);
+
+		driver->draw3DLine(v[0], v[6], yellow);
+		driver->draw3DLine(v[1], v[7], yellow);
+		driver->draw3DLine(v[3], v[5], yellow);
+		driver->draw3DLine(v[2], v[4], yellow);
+	}
+}
+
+
+//! Returns the animated mesh based on a detail level. 0 is the lowest, 255 the highest detail.
+IMesh* CAnimatedMeshHalfLife::getMesh(s32 frameInt, s32 detailLevel, s32 startFrameLoop, s32 endFrameLoop)
+{
+	f32 frame = frameInt + (detailLevel * 0.001f);
+	u32 frameA = core::floor32 ( frame );
+//	f32 blend = core::fract ( frame );
+
+	SHalflifeSequence *seq = (SHalflifeSequence*) ((u8*) Header + Header->seqindex);
+
+	// find SequenceIndex from summed list
+	u32 frameCount = 0;
+	for (u32 i = 0; i < Header->numseq; ++i)
+	{
+		u32 val = core::max_ ( 1, seq[i].numframes - 1 );
+		if ( frameCount + val > frameA  )
+		{
+			SequenceIndex = i;
+			CurrentFrame = frame - frameCount;
+			break;
+		}
+		frameCount += val;
+	}
+
+	seq += SequenceIndex;
+
+	//SetBodyPart ( 1, 1 );
+	setUpBones ();
+	buildVertices();
+
+	MeshIPol->BoundingBox.MinEdge.X = seq->bbmin[0];
+	MeshIPol->BoundingBox.MinEdge.Z = seq->bbmin[1];
+	MeshIPol->BoundingBox.MinEdge.Y = seq->bbmin[2];
+
+	MeshIPol->BoundingBox.MaxEdge.X = seq->bbmax[0];
+	MeshIPol->BoundingBox.MaxEdge.Z = seq->bbmax[1];
+	MeshIPol->BoundingBox.MaxEdge.Y = seq->bbmax[2];
+
+	return MeshIPol;
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::initData ()
+{
+	u32 i;
+
+	Header = 0;
+	TextureHeader = 0;
+	OwnTexModel = false;
+
+	for ( i = 0; i < 32; ++i )
+		AnimationHeader[i] = 0;
+
+	SequenceIndex = 0;
+	CurrentFrame = 0.f;
+
+	for ( i = 0; i < 5; ++i )
+		BoneController[i] = 0;
+
+	for ( i = 0; i < 2; ++i )
+		Blending[i] = 0;
+
+	SkinGroupSelection = 0;
+
+	AnimList.clear();
+	FrameCount = 0;
+
+	if (!MeshIPol)
+		MeshIPol = new SMesh();
+	MeshIPol->clear();
+
+#ifdef HL_TEXTURE_ATLAS
+	TextureAtlas.release();
+#endif
+}
+
+
+/*!
+*/
+void STextureAtlas::release()
+{
+	for (u32 i = 0; i < atlas.size(); i++)
+	{
+		if ( atlas[i].image )
+		{
+			atlas[i].image->drop();
+			atlas[i].image = 0;
+		}
+	}
+	Master = 0;
+}
+
+
+/*!
+*/
+void STextureAtlas::addSource ( const c8 * name, video::IImage * image )
+{
+	TextureAtlasEntry entry;
+	entry.name = name;
+	entry.image = image;
+	entry.width = image->getDimension().Width;
+	entry.height = image->getDimension().Height;
+	entry.pos.X = 0;
+	entry.pos.Y = 0;
+	atlas.push_back ( entry );
+}
+
+
+/*!
+*/
+void STextureAtlas::getScale(core::vector2df& scale)
+{
+	for (s32 i = static_cast<s32>(atlas.size()) - 1; i >= 0; --i)
+	{
+		if ( atlas[i].name == "_merged_" )
+		{
+			scale.X = 1.f / atlas[i].width;
+			scale.Y = 1.f / atlas[i].height;
+			return;
+		}
+	}
+	scale.X = 1.f;
+	scale.Y = 1.f;
+}
+
+
+/*!
+*/
+void STextureAtlas::getTranslation(const c8* name, core::vector2di& pos)
+{
+	for ( u32 i = 0; i < atlas.size(); ++i)
+	{
+		if ( atlas[i].name == name )
+		{
+			pos = atlas[i].pos;
+			return;
+		}
+	}
+}
+
+
+/*!
+*/
+void STextureAtlas::create(u32 border, E_TEXTURE_CLAMP texmode)
+{
+	u32 i = 0;
+	u32 w = 0;
+	u32 w2;
+	u32 h2;
+	u32 h;
+	u32 wsum;
+	u32 hsum = 0;
+	ECOLOR_FORMAT format = ECF_R8G8B8;
+
+	const s32 frame = core::s32_max ( 0, (border - 1 ) / 2 );
+
+	// sort for biggest coming first
+	atlas.sort();
+
+	// split size
+	wsum = frame;
+	for (i = 0; i < atlas.size(); i++)
+	{
+		// make space
+		w2 = atlas[i].width + border;
+
+		// align
+		w2 = (w2 + 1) & ~1;
+		wsum += w2;
+	}
+	u32 splitsize = 256;
+	if ( wsum > 512 )
+		splitsize = 512;
+
+	wsum = frame;
+	hsum = frame;
+	w = frame;
+	h = 0;
+	for (i = 0; i < atlas.size(); i++)
+	{
+		if ( atlas[i].image->getColorFormat() == ECF_A8R8G8B8 )
+		{
+			format = ECF_A8R8G8B8;
+		}
+
+		// make space
+		w2 = atlas[i].width + border;
+		h2 = atlas[i].height + border;
+
+		// align
+		w2 = (w2 + 1) & ~1;
+		h2 = (h2 + 1) & ~1;
+
+		h = core::s32_max ( h, h2 );
+
+		if ( w + w2 >= splitsize )
+		{
+			hsum += h;
+			wsum = core::s32_max ( wsum, w );
+			h = h2;
+			w = frame;
+		}
+
+		atlas[i].pos.X = w;
+		atlas[i].pos.Y = hsum;
+
+		w += w2;
+
+	}
+	hsum += h;
+	wsum = core::s32_max ( wsum, w );
+
+	// build image
+	core::dimension2d<u32> dim = core::dimension2d<u32>( wsum, hsum ).getOptimalSize();
+	IImage* master = new CImage(format, dim);
+	master->fill(0);
+
+	video::SColor col[2];
+
+	static const u8 wrap[][4] =
+	{
+		{1, 0},	// ETC_REPEAT
+		{0, 1},	// ETC_CLAMP
+		{0, 1},	// ETC_CLAMP_TO_EDGE
+		{0, 1}	// ETC_MIRROR
+	};
+
+	s32 a,b;
+	for (i = 0; i < atlas.size(); i++)
+	{
+		atlas[i].image->copyTo ( master, atlas[i].pos );
+
+		// clamp/wrap ( copy edges, filtering needs it )
+
+		for ( b = 0; b < frame; ++b )
+		{
+			for ( a = 0 - b; a <= (s32) atlas[i].width + b; ++a )
+			{
+				col[0] = atlas[i].image->getPixel ( core::s32_clamp ( a, 0, atlas[i].width - 1 ), 0 );
+				col[1] = atlas[i].image->getPixel ( core::s32_clamp ( a, 0, atlas[i].width - 1 ), atlas[i].height - 1 );
+
+				master->setPixel ( atlas[i].pos.X + a, atlas[i].pos.Y + ( b + 1 ) * -1, col[wrap[texmode][0]] );
+				master->setPixel ( atlas[i].pos.X + a, atlas[i].pos.Y + atlas[i].height - 1 + ( b + 1 ) * 1, col[wrap[texmode][1]] );
+			}
+
+			for ( a = -1 - b; a <= (s32) atlas[i].height + b; ++a )
+			{
+				col[0] = atlas[i].image->getPixel ( 0, core::s32_clamp ( a, 0, atlas[i].height - 1 ) );
+				col[1] = atlas[i].image->getPixel ( atlas[i].width - 1, core::s32_clamp ( a, 0, atlas[i].height - 1 ) );
+
+				master->setPixel ( atlas[i].pos.X + ( b + 1 ) * -1, atlas[i].pos.Y + a, col[wrap[texmode][0]] );
+				master->setPixel ( atlas[i].pos.X + atlas[i].width + b, atlas[i].pos.Y + a, col[wrap[texmode][1]] );
+			}
+		}
+	}
+
+	addSource ( "_merged_", master );
+	Master = master;
+}
+
+
+/*!
+*/
+SHalflifeHeader* CAnimatedMeshHalfLife::loadModel(io::IReadFile* file, const io::path& filename)
+{
+	bool closefile = false;
+
+	// if secondary files are needed, open here and mark for closing
+	if ( 0 == file )
+	{
+		file = SceneManager->getFileSystem()->createAndOpenFile(filename);
+		closefile = true;
+	}
+
+	if ( 0 == file )
+		return 0;
+
+	// read into memory
+	u8* pin = new u8[file->getSize()];
+	file->read(pin, file->getSize());
+
+	SHalflifeHeader* header = (SHalflifeHeader*) pin;
+
+	const bool idst = (0 == strncmp(header->id, "IDST", 4));
+	const bool idsq = (0 == strncmp(header->id, "IDSQ", 4));
+
+	if ( (!idst && !idsq) || (idsq && !Header) )
+	{
+		os::Printer::log("MDL Halflife Loader: Wrong file header", file->getFileName(), ELL_WARNING);
+		if ( closefile )
+		{
+			file->drop();
+			file = 0;
+		}
+		delete [] pin;
+		return 0;
+	}
+
+	// don't know the real header.. idsg might be different
+	if (header->textureindex && idst )
+	{
+		io::path path;
+		io::path fname;
+		io::path ext;
+
+		core::splitFilename(file->getFileName(), &path, &fname, &ext);
+		TextureBaseName = path + fname + "_";
+
+		SHalflifeTexture *tex = (SHalflifeTexture *)(pin + header->textureindex);
+		u32 *palette = new u32[256];
+		for (u32 i = 0; i < header->numtextures; ++i)
+		{
+			const u8 *src = pin + tex[i].index;
+
+			// convert rgb to argb palette
+			{
+				const u8 *pal = src + tex[i].width * tex[i].height;
+				for( u32 g=0; g<256; ++g )
+				{
+					palette[g] = 0xFF000000 | pal[0] << 16 | pal[1] << 8 | pal[2];
+					pal += 3;
+				}
+			}
+
+			IImage* image = SceneManager->getVideoDriver()->createImage(ECF_R8G8B8, core::dimension2d<u32>(tex[i].width, tex[i].height));
+
+			CColorConverter::convert8BitTo24Bit(src, (u8*)image->lock(), tex[i].width, tex[i].height, (u8*) palette, 0, false);
+			image->unlock();
+
+#ifdef HL_TEXTURE_ATLAS
+			TextureAtlas.addSource ( tex[i].name, image );
+#else
+			core::splitFilename ( tex[i].name, 0, &fname, &ext );
+			SceneManager->getVideoDriver()->addTexture ( TextureBaseName + fname, image );
+			image->drop();
+#endif
+		}
+		delete [] palette;
+
+#ifdef HL_TEXTURE_ATLAS
+		TextureAtlas.create ( 2 * 2 + 1, ETC_CLAMP );
+		SceneManager->getVideoDriver()->addTexture ( TextureBaseName + "atlas", TextureAtlas.Master );
+		TextureAtlas.release();
+#endif
+	}
+
+	if (!Header)
+		Header = header;
+
+	if ( closefile )
+	{
+		file->drop();
+		file = 0;
+	}
+
+	return header;
+}
+
+
+/*!
+*/
+f32 CAnimatedMeshHalfLife::SetController( s32 controllerIndex, f32 value )
+{
+	if (!Header)
+		return 0.f;
+
+	SHalflifeBoneController *bonecontroller = (SHalflifeBoneController *)((u8*) Header + Header->bonecontrollerindex);
+
+	// find first controller that matches the index
+	u32 i;
+	for (i = 0; i < Header->numbonecontrollers; i++, bonecontroller++)
+	{
+		if (bonecontroller->index == controllerIndex)
+			break;
+	}
+	if (i >= Header->numbonecontrollers)
+		return value;
+
+	// wrap 0..360 if it's a rotational controller
+	if (bonecontroller->type & (STUDIO_XR | STUDIO_YR | STUDIO_ZR))
+	{
+		// ugly hack, invert value if end < start
+		if (bonecontroller->end < bonecontroller->start)
+			value = -value;
+
+		// does the controller not wrap?
+		if (bonecontroller->start + 359.f >= bonecontroller->end)
+		{
+			if (value > ((bonecontroller->start + bonecontroller->end) / 2.f) + 180.f)
+				value = value - 360.f;
+			if (value < ((bonecontroller->start + bonecontroller->end) / 2.f) - 180.f)
+				value = value + 360.f;
+		}
+		else
+		{
+			if (value > 360.f)
+				value = value - (s32)(value / 360.f) * 360.f;
+			else if (value < 0.f)
+				value = value + (s32)((value / -360.f) + 1) * 360.f;
+		}
+	}
+
+	s32 range = controllerIndex == MOUTH_CONTROLLER ? 64 : 255;
+
+	s32 setting = (s32) ( (f32) range * (value - bonecontroller->start) / (bonecontroller->end - bonecontroller->start));
+
+	if (setting < 0) setting = 0;
+	if (setting > range) setting = range;
+
+	BoneController[controllerIndex] = setting;
+
+	return setting * (1.f / (f32) range ) * (bonecontroller->end - bonecontroller->start) + bonecontroller->start;
+}
+
+
+/*!
+*/
+u32 CAnimatedMeshHalfLife::SetSkin( u32 value )
+{
+	if (value < Header->numskinfamilies)
+		SkinGroupSelection = value;
+
+	return SkinGroupSelection;
+}
+
+
+/*!
+*/
+bool CAnimatedMeshHalfLife::postLoadModel( const io::path &filename )
+{
+	io::path path;
+	io::path texname;
+	io::path submodel;
+
+	core::splitFilename ( filename ,&path, &texname, 0 );
+
+	// preload textures
+	// if no textures are stored in main file, use texfile
+	if (Header->numtextures == 0)
+	{
+		submodel = path + texname + "T.mdl";
+		TextureHeader = loadModel(0, submodel);
+		if (!TextureHeader)
+			return false;
+		OwnTexModel = true;
+	}
+	else
+	{
+		TextureHeader = Header;
+		OwnTexModel = false;
+	}
+
+	// preload animations
+	if (Header->numseqgroups > 1)
+	{
+		c8 seq[8];
+		for (u32 i = 1; i < Header->numseqgroups; i++)
+		{
+			snprintf( seq, 8, "%02d.mdl", i );
+			submodel = path + texname + seq;
+
+			AnimationHeader[i] = loadModel(0, submodel);
+			if (!AnimationHeader[i])
+				return false;
+		}
+	}
+
+	return true;
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::dumpModelInfo(u32 level) const
+{
+	const u8 *phdr = (const u8*) Header;
+	const SHalflifeHeader * hdr = Header;
+	u32 i;
+
+	if (level == 0)
+	{
+		printf (
+			"Bones: %d\n"
+			"Bone Controllers: %d\n"
+			"Hit Boxes: %d\n"
+			"Sequences: %d\n"
+			"Sequence Groups: %d\n",
+			hdr->numbones,
+			hdr->numbonecontrollers,
+			hdr->numhitboxes,
+			hdr->numseq,
+			hdr->numseqgroups
+			);
+		printf (
+			"Textures: %d\n"
+			"Skin Families: %d\n"
+			"Bodyparts: %d\n"
+			"Attachments: %d\n"
+			"Transitions: %d\n",
+			hdr->numtextures,
+			hdr->numskinfamilies,
+			hdr->numbodyparts,
+			hdr->numattachments,
+			hdr->numtransitions);
+		return;
+	}
+
+	printf("id: %c%c%c%c\n", phdr[0], phdr[1], phdr[2], phdr[3]);
+	printf("version: %d\n", hdr->version);
+	printf("name: \"%s\"\n", hdr->name);
+	printf("length: %d\n\n", hdr->length);
+
+	printf("eyeposition: %f %f %f\n", hdr->eyeposition[0], hdr->eyeposition[1], hdr->eyeposition[2]);
+	printf("min: %f %f %f\n", hdr->min[0], hdr->min[1], hdr->min[2]);
+	printf("max: %f %f %f\n", hdr->max[0], hdr->max[1], hdr->max[2]);
+	printf("bbmin: %f %f %f\n", hdr->bbmin[0], hdr->bbmin[1], hdr->bbmin[2]);
+	printf("bbmax: %f %f %f\n", hdr->bbmax[0], hdr->bbmax[1], hdr->bbmax[2]);
+
+	printf("flags: %d\n\n", hdr->flags);
+
+	printf("numbones: %d\n", hdr->numbones);
+	for (i = 0; i < hdr->numbones; i++)
+	{
+		const SHalflifeBone *bone = (const SHalflifeBone *) (phdr + hdr->boneindex);
+		printf("bone %d.name: \"%s\"\n", i + 1, bone[i].name);
+		printf("bone %d.parent: %d\n", i + 1, bone[i].parent);
+		printf("bone %d.flags: %d\n", i + 1, bone[i].flags);
+		printf("bone %d.bonecontroller: %d %d %d %d %d %d\n", i + 1, bone[i].bonecontroller[0], bone[i].bonecontroller[1], bone[i].bonecontroller[2], bone[i].bonecontroller[3], bone[i].bonecontroller[4], bone[i].bonecontroller[5]);
+		printf("bone %d.value: %f %f %f %f %f %f\n", i + 1, bone[i].value[0], bone[i].value[1], bone[i].value[2], bone[i].value[3], bone[i].value[4], bone[i].value[5]);
+		printf("bone %d.scale: %f %f %f %f %f %f\n", i + 1, bone[i].scale[0], bone[i].scale[1], bone[i].scale[2], bone[i].scale[3], bone[i].scale[4], bone[i].scale[5]);
+	}
+
+	printf("\nnumbonecontrollers: %d\n", hdr->numbonecontrollers);
+	const SHalflifeBoneController *bonecontrollers = (const SHalflifeBoneController *) (phdr + hdr->bonecontrollerindex);
+	for (i = 0; i < hdr->numbonecontrollers; i++)
+	{
+		printf("bonecontroller %d.bone: %d\n", i + 1, bonecontrollers[i].bone);
+		printf("bonecontroller %d.type: %d\n", i + 1, bonecontrollers[i].type);
+		printf("bonecontroller %d.start: %f\n", i + 1, bonecontrollers[i].start);
+		printf("bonecontroller %d.end: %f\n", i + 1, bonecontrollers[i].end);
+		printf("bonecontroller %d.rest: %d\n", i + 1, bonecontrollers[i].rest);
+		printf("bonecontroller %d.index: %d\n", i + 1, bonecontrollers[i].index);
+	}
+
+	printf("\nnumhitboxes: %d\n", hdr->numhitboxes);
+	const SHalflifeBBox *box = (const SHalflifeBBox *) (phdr + hdr->hitboxindex);
+	for (i = 0; i < hdr->numhitboxes; i++)
+	{
+		printf("hitbox %d.bone: %d\n", i + 1, box[i].bone);
+		printf("hitbox %d.group: %d\n", i + 1, box[i].group);
+		printf("hitbox %d.bbmin: %f %f %f\n", i + 1, box[i].bbmin[0], box[i].bbmin[1], box[i].bbmin[2]);
+		printf("hitbox %d.bbmax: %f %f %f\n", i + 1, box[i].bbmax[0], box[i].bbmax[1], box[i].bbmax[2]);
+	}
+
+	printf("\nnumseq: %d\n", hdr->numseq);
+	const SHalflifeSequence *seq = (const SHalflifeSequence *) (phdr + hdr->seqindex);
+	for (i = 0; i < hdr->numseq; i++)
+	{
+		printf("seqdesc %d.label: \"%s\"\n", i + 1, seq[i].label);
+		printf("seqdesc %d.fps: %f\n", i + 1, seq[i].fps);
+		printf("seqdesc %d.flags: %d\n", i + 1, seq[i].flags);
+		printf("<...>\n");
+	}
+
+	printf("\nnumseqgroups: %d\n", hdr->numseqgroups);
+	for (i = 0; i < hdr->numseqgroups; i++)
+	{
+		const SHalflifeSequenceGroup *group = (const SHalflifeSequenceGroup *) (phdr + hdr->seqgroupindex);
+		printf("\nseqgroup %d.label: \"%s\"\n", i + 1, group[i].label);
+		printf("\nseqgroup %d.namel: \"%s\"\n", i + 1, group[i].name);
+		printf("\nseqgroup %d.data: %d\n", i + 1, group[i].data);
+	}
+
+	printf("\nnumskinref: %d\n", hdr->numskinref);
+	printf("numskinfamilies: %d\n", hdr->numskinfamilies);
+
+	printf("\nnumbodyparts: %d\n", hdr->numbodyparts);
+	const SHalflifeBody *pbodyparts = (const SHalflifeBody*) ((const u8*) hdr + hdr->bodypartindex);
+	for (i = 0; i < hdr->numbodyparts; i++)
+	{
+		printf("bodypart %d.name: \"%s\"\n", i + 1, pbodyparts[i].name);
+		printf("bodypart %d.nummodels: %d\n", i + 1, pbodyparts[i].nummodels);
+		printf("bodypart %d.base: %d\n", i + 1, pbodyparts[i].base);
+		printf("bodypart %d.modelindex: %d\n", i + 1, pbodyparts[i].modelindex);
+	}
+
+	printf("\nnumattachments: %d\n", hdr->numattachments);
+	for (i = 0; i < hdr->numattachments; i++)
+	{
+		const SHalflifeAttachment *attach = (const SHalflifeAttachment *) ((const u8*) hdr + hdr->attachmentindex);
+		printf("attachment %d.name: \"%s\"\n", i + 1, attach[i].name);
+	}
+
+	hdr = TextureHeader;
+	printf("\nnumtextures: %d\n", hdr->numtextures);
+	printf("textureindex: %d\n", hdr->textureindex);
+	printf("texturedataindex: %d\n", hdr->texturedataindex);
+	const SHalflifeTexture *ptextures = (const SHalflifeTexture *) ((const u8*) hdr + hdr->textureindex);
+	for (i = 0; i < hdr->numtextures; i++)
+	{
+		printf("texture %d.name: \"%s\"\n", i + 1, ptextures[i].name);
+		printf("texture %d.flags: %d\n", i + 1, ptextures[i].flags);
+		printf("texture %d.width: %d\n", i + 1, ptextures[i].width);
+		printf("texture %d.height: %d\n", i + 1, ptextures[i].height);
+		printf("texture %d.index: %d\n", i + 1, ptextures[i].index);
+	}
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::ExtractBbox(s32 sequence, core::aabbox3df &box) const
+{
+	const SHalflifeSequence *seq = (const SHalflifeSequence *)((const u8*)Header + Header->seqindex) + sequence;
+
+	box.MinEdge.X = seq[0].bbmin[0];
+	box.MinEdge.Y = seq[0].bbmin[1];
+	box.MinEdge.Z = seq[0].bbmin[2];
+
+	box.MaxEdge.X = seq[0].bbmax[0];
+	box.MaxEdge.Y = seq[0].bbmax[1];
+	box.MaxEdge.Z = seq[0].bbmax[2];
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::calcBoneAdj()
+{
+	const SHalflifeBoneController *bonecontroller =
+		(const SHalflifeBoneController *)((const u8*) Header + Header->bonecontrollerindex);
+
+	for (u32 j = 0; j < Header->numbonecontrollers; j++)
+	{
+		const s32 i = bonecontroller[j].index;
+		// check for 360% wrapping
+		f32 value;
+		if (bonecontroller[j].type & STUDIO_RLOOP)
+		{
+			value = BoneController[i] * (360.f/256.f) + bonecontroller[j].start;
+		}
+		else
+		{
+			const f32 range = i <= 3 ? 255.f : 64.f;
+			value = core::clamp(BoneController[i] / range,0.f,1.f);
+			value = (1.f - value) * bonecontroller[j].start + value * bonecontroller[j].end;
+		}
+
+		switch(bonecontroller[j].type & STUDIO_TYPES)
+		{
+		case STUDIO_XR:
+		case STUDIO_YR:
+		case STUDIO_ZR:
+			BoneAdj[j] = value * core::DEGTORAD;
+			break;
+		case STUDIO_X:
+		case STUDIO_Y:
+		case STUDIO_Z:
+			BoneAdj[j] = value;
+			break;
+		}
+	}
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::calcBoneQuaternion(const s32 frame, const SHalflifeBone * const bone,
+		SHalflifeAnimOffset *anim, const u32 j, f32& angle1, f32& angle2) const
+{
+	// three vector components
+	if (anim->offset[j+3] == 0)
+	{
+		angle2 = angle1 = bone->value[j+3]; // default
+	}
+	else
+	{
+		SHalflifeAnimationFrame *animvalue = (SHalflifeAnimationFrame *)((u8*)anim + anim->offset[j+3]);
+		s32 k = frame;
+		while (animvalue->num.total <= k)
+		{
+			k -= animvalue->num.total;
+			animvalue += animvalue->num.valid + 1;
+		}
+		// Bah, missing blend!
+		if (animvalue->num.valid > k)
+		{
+			angle1 = animvalue[k+1].value;
+
+			if (animvalue->num.valid > k + 1)
+			{
+				angle2 = animvalue[k+2].value;
+			}
+			else
+			{
+				if (animvalue->num.total > k + 1)
+					angle2 = angle1;
+				else
+					angle2 = animvalue[animvalue->num.valid+2].value;
+			}
+		}
+		else
+		{
+			angle1 = animvalue[animvalue->num.valid].value;
+			if (animvalue->num.total > k + 1)
+			{
+				angle2 = angle1;
+			}
+			else
+			{
+				angle2 = animvalue[animvalue->num.valid + 2].value;
+			}
+		}
+		angle1 = bone->value[j+3] + angle1 * bone->scale[j+3];
+		angle2 = bone->value[j+3] + angle2 * bone->scale[j+3];
+	}
+
+	if (bone->bonecontroller[j+3] != -1)
+	{
+		angle1 += BoneAdj[bone->bonecontroller[j+3]];
+		angle2 += BoneAdj[bone->bonecontroller[j+3]];
+	}
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::calcBonePosition(const s32 frame, f32 s,
+		const SHalflifeBone * const bone, SHalflifeAnimOffset *anim, f32 *pos) const
+{
+	for (s32 j = 0; j < 3; ++j)
+	{
+		pos[j] = bone->value[j]; // default;
+		if (anim->offset[j] != 0)
+		{
+			SHalflifeAnimationFrame	*animvalue = (SHalflifeAnimationFrame *)((u8*)anim + anim->offset[j]);
+
+			s32 k = frame;
+			// find span of values that includes the frame we want
+			while (animvalue->num.total <= k)
+			{
+				k -= animvalue->num.total;
+				animvalue += animvalue->num.valid + 1;
+			}
+			// if we're inside the span
+			if (animvalue->num.valid > k)
+			{
+				// and there's more data in the span
+				if (animvalue->num.valid > k + 1)
+				{
+					pos[j] += (animvalue[k+1].value * (1.f - s) + s * animvalue[k+2].value) * bone->scale[j];
+				}
+				else
+				{
+					pos[j] += animvalue[k+1].value * bone->scale[j];
+				}
+			}
+			else
+			{
+				// are we at the end of the repeating values section and there's another section with data?
+				if (animvalue->num.total <= k + 1)
+				{
+					pos[j] += (animvalue[animvalue->num.valid].value * (1.f - s) + s * animvalue[animvalue->num.valid + 2].value) * bone->scale[j];
+				}
+				else
+				{
+					pos[j] += animvalue[animvalue->num.valid].value * bone->scale[j];
+				}
+			}
+		}
+		if (bone->bonecontroller[j] != -1)
+		{
+			pos[j] += BoneAdj[bone->bonecontroller[j]];
+		}
+	}
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::calcRotations(vec3_hl *pos, vec4_hl *q,
+		SHalflifeSequence *seq, SHalflifeAnimOffset *anim, f32 f)
+{
+	s32 frame = (s32)f;
+	f32 s = (f - frame);
+
+	// add in programatic controllers
+	calcBoneAdj();
+
+	SHalflifeBone *bone = (SHalflifeBone *)((u8 *)Header + Header->boneindex);
+	for ( u32 i = 0; i < Header->numbones; i++, bone++, anim++)
+	{
+		core::vector3df angle1, angle2;
+		calcBoneQuaternion(frame, bone, anim, 0, angle1.X, angle2.X);
+		calcBoneQuaternion(frame, bone, anim, 1, angle1.Y, angle2.Y);
+		calcBoneQuaternion(frame, bone, anim, 2, angle1.Z, angle2.Z);
+
+		if (!angle1.equals(angle2))
+		{
+			vec4_hl q1, q2;
+			AngleQuaternion( angle1, q1 );
+			AngleQuaternion( angle2, q2 );
+			QuaternionSlerp( q1, q2, s, q[i] );
+		}
+		else
+		{
+			AngleQuaternion( angle1, q[i] );
+		}
+
+		calcBonePosition(frame, s, bone, anim, pos[i]);
+	}
+
+	if (seq->motiontype & STUDIO_X)
+		pos[seq->motionbone][0] = 0.f;
+	if (seq->motiontype & STUDIO_Y)
+		pos[seq->motionbone][1] = 0.f;
+	if (seq->motiontype & STUDIO_Z)
+		pos[seq->motionbone][2] = 0.f;
+}
+
+
+/*!
+*/
+SHalflifeAnimOffset * CAnimatedMeshHalfLife::getAnim( SHalflifeSequence *seq )
+{
+	SHalflifeSequenceGroup *seqgroup = (SHalflifeSequenceGroup *)((u8*)Header + Header->seqgroupindex) + seq->seqgroup;
+
+	if (seq->seqgroup == 0)
+	{
+		return (SHalflifeAnimOffset *)((u8*)Header + seqgroup->data + seq->animindex);
+	}
+
+	return (SHalflifeAnimOffset *)((u8*)AnimationHeader[seq->seqgroup] + seq->animindex);
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::slerpBones(vec4_hl q1[], vec3_hl pos1[], vec4_hl q2[], vec3_hl pos2[], f32 s)
+{
+	if (s < 0)
+		s = 0;
+	else if (s > 1.f)
+		s = 1.f;
+
+	f32 s1 = 1.f - s;
+
+	for ( u32 i = 0; i < Header->numbones; i++)
+	{
+		vec4_hl q3;
+		QuaternionSlerp( q1[i], q2[i], s, q3 );
+		q1[i][0] = q3[0];
+		q1[i][1] = q3[1];
+		q1[i][2] = q3[2];
+		q1[i][3] = q3[3];
+		pos1[i][0] = pos1[i][0] * s1 + pos2[i][0] * s;
+		pos1[i][1] = pos1[i][1] * s1 + pos2[i][1] * s;
+		pos1[i][2] = pos1[i][2] * s1 + pos2[i][2] * s;
+	}
+}
+
+
+/*!
+*/
+void CAnimatedMeshHalfLife::setUpBones()
+{
+	static vec3_hl pos[MAXSTUDIOBONES];
+	f32 bonematrix[3][4];
+	static vec4_hl q[MAXSTUDIOBONES];
+
+	static vec3_hl pos2[MAXSTUDIOBONES];
+	static vec4_hl q2[MAXSTUDIOBONES];
+	static vec3_hl pos3[MAXSTUDIOBONES];
+	static vec4_hl q3[MAXSTUDIOBONES];
+	static vec3_hl pos4[MAXSTUDIOBONES];
+	static vec4_hl q4[MAXSTUDIOBONES];
+
+	if (SequenceIndex >= Header->numseq)
+		SequenceIndex = 0;
+
+	SHalflifeSequence *seq = (SHalflifeSequence *)((u8*) Header + Header->seqindex) + SequenceIndex;
+
+	SHalflifeAnimOffset *anim = getAnim(seq);
+	calcRotations(pos, q, seq, anim, CurrentFrame);
+
+	if (seq->numblends > 1)
+	{
+		anim += Header->numbones;
+		calcRotations( pos2, q2, seq, anim, CurrentFrame );
+		f32 s = Blending[0] / 255.f;
+
+		slerpBones( q, pos, q2, pos2, s );
+
+		if (seq->numblends == 4)
+		{
+			anim += Header->numbones;
+			calcRotations( pos3, q3, seq, anim, CurrentFrame );
+
+			anim += Header->numbones;
+			calcRotations( pos4, q4, seq, anim, CurrentFrame );
+
+			s = Blending[0] / 255.f;
+			slerpBones( q3, pos3, q4, pos4, s );
+
+			s = Blending[1] / 255.f;
+			slerpBones( q, pos, q3, pos3, s );
+		}
+	}
+
+	SHalflifeBone *bone = (SHalflifeBone *)((u8*) Header + Header->boneindex);
+
+	for (u32 i = 0; i < Header->numbones; i++)
+	{
+		QuaternionMatrix( q[i], bonematrix );
+
+		bonematrix[0][3] = pos[i][0];
+		bonematrix[1][3] = pos[i][1];
+		bonematrix[2][3] = pos[i][2];
+
+		if (bone[i].parent == -1) {
+			memcpy(BoneTransform[i], bonematrix, sizeof(f32) * 12);
+		}
+		else {
+			R_ConcatTransforms (BoneTransform[bone[i].parent], bonematrix, BoneTransform[i]);
+		}
+	}
+}
+
+
+//! Returns an axis aligned bounding box
+const core::aabbox3d<f32>& CAnimatedMeshHalfLife::getBoundingBox() const
+{
+	return MeshIPol->BoundingBox;
+}
+
+
+//! Returns the type of the animated mesh.
+E_ANIMATED_MESH_TYPE CAnimatedMeshHalfLife::getMeshType() const
+{
+	return EAMT_MDL_HALFLIFE;
+}
+
+
+//! returns amount of mesh buffers.
+u32 CAnimatedMeshHalfLife::getMeshBufferCount() const
+{
+	return MeshIPol->getMeshBufferCount();
+}
+
+
+//! returns pointer to a mesh buffer
+IMeshBuffer* CAnimatedMeshHalfLife::getMeshBuffer(u32 nr) const
+{
+	return MeshIPol->getMeshBuffer(nr);
+}
+
+
+//! Returns pointer to a mesh buffer which fits a material
+/** \param material: material to search for
+\return Returns the pointer to the mesh buffer or
+NULL if there is no such mesh buffer. */
+IMeshBuffer* CAnimatedMeshHalfLife::getMeshBuffer(const video::SMaterial &material) const
+{
+	return MeshIPol->getMeshBuffer(material);
+}
+
+
+void CAnimatedMeshHalfLife::setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue)
+{
+	MeshIPol->setMaterialFlag ( flag, newvalue );
+}
+
+
+//! set user axis aligned bounding box
+void CAnimatedMeshHalfLife::setBoundingBox(const core::aabbox3df& box)
+{
+	MeshIPol->setBoundingBox(box);
+}
+
+
+} // end namespace scene
+} // end namespace irr
+
+#endif // _IRR_COMPILE_WITH_MD3_LOADER_
+
-- 
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