diff --git a/src/collision/ColBox.h b/src/collision/ColBox.h
index 0df55925..721756b4 100644
--- a/src/collision/ColBox.h
+++ b/src/collision/ColBox.h
@@ -19,4 +19,12 @@ struct CColBox : public CBox
 	using CBox::Set;
 
 	CColBox& operator=(const CColBox &other);
-};
\ No newline at end of file
+};
+
+// no name for this
+// bounds for a number of triangles
+struct CColTriBBox : public CBox
+{
+	int32 first;
+	int32 last;
+};
diff --git a/src/collision/ColModel.cpp b/src/collision/ColModel.cpp
index 2de7f736..2071369e 100644
--- a/src/collision/ColModel.cpp
+++ b/src/collision/ColModel.cpp
@@ -1,4 +1,5 @@
 #include "common.h"
+#include "main.h"
 #include "ColModel.h"
 #include "Collision.h"
 #include "Game.h"
@@ -9,6 +10,8 @@ CColModel::CColModel(void)
 {
 	boundingSphere.Set(0.0001f, CVector(0.0f, 0.0f, 0.0f));
 	boundingBox.Set(CVector(0.0f, 0.0f, 0.0f), CVector(0.0f, 0.0f, 0.0f));
+	numTriBBoxes = 0;
+	triBBoxes = nil;
 	numSpheres = 0;
 	spheres = nil;
 	numLines = 0;
@@ -25,9 +28,13 @@ CColModel::CColModel(void)
 
 CColModel::~CColModel(void)
 {
-	RemoveCollisionVolumes();
+	if(!gNASTY_NASTY_MEM_SHUTDOWN_HACK){
+		RemoveTrianglePlanes();
+		RemoveCollisionVolumes();
+	}
 }
 
+//--LCS: no pool used, but maybe we better keep it?
 void*
 CColModel::operator new(size_t)
 {
@@ -45,19 +52,28 @@ CColModel::operator delete(void *p, size_t)
 void
 CColModel::RemoveCollisionVolumes(void)
 {
-	if(ownsCollisionVolumes){
-		RwFree(spheres);
-		RwFree(lines);
-		RwFree(boxes);
-		RwFree(vertices);
-		RwFree(triangles);
-		CCollision::RemoveTrianglePlanes(this);
+#ifdef FIX_BUGS
+	// why is this missing?
+	if(ownsCollisionVolumes)
+#endif
+	if(!gUseChunkFiles){
+		delete[] triBBoxes;
+		delete[] spheres;
+		delete[] lines;
+		delete[] boxes;
+		delete[] vertices;
+		delete[] triangles;
 	}
+	CCollision::RemoveTrianglePlanes(this);
 	numSpheres = 0;
+	numTriBBoxes = 0;
 	numLines = 0;
 	numBoxes = 0;
 	numTriangles = 0;
 	spheres = nil;
+#ifdef FIX_BUGS
+	triBBoxes = nil;
+#endif
 	lines = nil;
 	boxes = nil;
 	vertices = nil;
@@ -70,7 +86,7 @@ CColModel::CalculateTrianglePlanes(void)
 	PUSH_MEMID(MEMID_COLLISION);
 
 	// HACK: allocate space for one more element to stuff the link pointer into
-	trianglePlanes = (CColTrianglePlane*)RwMalloc(sizeof(CColTrianglePlane) * (numTriangles+1));
+	trianglePlanes = new CColTrianglePlane[numTriangles+1];
 	REGISTER_MEMPTR(&trianglePlanes);
 	for(int i = 0; i < numTriangles; i++)
 		trianglePlanes[i].Set(vertices, triangles[i]);
@@ -81,8 +97,10 @@ CColModel::CalculateTrianglePlanes(void)
 void
 CColModel::RemoveTrianglePlanes(void)
 {
-	RwFree(trianglePlanes);
-	trianglePlanes = nil;
+	if(trianglePlanes){
+		delete[] trianglePlanes;
+		trianglePlanes = nil;
+	}
 }
 
 void
@@ -114,20 +132,33 @@ CColModel::operator=(const CColModel &other)
 	boundingSphere = other.boundingSphere;
 	boundingBox = other.boundingBox;
 
+	// copy tri bboxes
+	if(other.numTriBBoxes){
+		if(numTriBBoxes != other.numTriBBoxes){
+			numTriBBoxes = other.numTriBBoxes;
+			delete[] triBBoxes;
+			triBBoxes = new CColTriBBox[numTriBBoxes];
+		}
+		for(i = 0; i < numTriBBoxes; i++)
+			triBBoxes[i] = other.triBBoxes[i];
+	}else{
+		numTriBBoxes = 0;
+		delete[] triBBoxes;
+		triBBoxes = nil;
+	}
+
 	// copy spheres
 	if(other.numSpheres){
 		if(numSpheres != other.numSpheres){
 			numSpheres = other.numSpheres;
-			if(spheres)
-				RwFree(spheres);
-			spheres = (CColSphere*)RwMalloc(numSpheres*sizeof(CColSphere));
+			delete[] spheres;
+			spheres = new CColSphere[numSpheres];
 		}
 		for(i = 0; i < numSpheres; i++)
 			spheres[i] = other.spheres[i];
 	}else{
 		numSpheres = 0;
-		if(spheres)
-			RwFree(spheres);
+		delete[] spheres;
 		spheres = nil;
 	}
 
@@ -135,16 +166,14 @@ CColModel::operator=(const CColModel &other)
 	if(other.numLines){
 		if(numLines != other.numLines){
 			numLines = other.numLines;
-			if(lines)
-				RwFree(lines);
-			lines = (CColLine*)RwMalloc(numLines*sizeof(CColLine));
+			delete[] lines;
+			lines = new CColLine[numLines];
 		}
 		for(i = 0; i < numLines; i++)
 			lines[i] = other.lines[i];
 	}else{
 		numLines = 0;
-		if(lines)
-			RwFree(lines);
+		delete[] lines;
 		lines = nil;
 	}
 
@@ -152,23 +181,21 @@ CColModel::operator=(const CColModel &other)
 	if(other.numBoxes){
 		if(numBoxes != other.numBoxes){
 			numBoxes = other.numBoxes;
-			if(boxes)
-				RwFree(boxes);
-			boxes = (CColBox*)RwMalloc(numBoxes*sizeof(CColBox));
+			delete[] boxes;
+			boxes = new CColBox[numBoxes];
 		}
 		for(i = 0; i < numBoxes; i++)
 			boxes[i] = other.boxes[i];
 	}else{
 		numBoxes = 0;
-		if(boxes)
-			RwFree(boxes);
+		delete[] boxes;
 		boxes = nil;
 	}
 
 	// copy mesh
 	if(other.numTriangles){
 		// copy vertices
-		numVerts = 0;
+		numVerts = -1;
 		for(i = 0; i < other.numTriangles; i++){
 			if(other.triangles[i].a > numVerts)
 				numVerts = other.triangles[i].a;
@@ -178,10 +205,9 @@ CColModel::operator=(const CColModel &other)
 				numVerts = other.triangles[i].c;
 		}
 		numVerts++;
-		if(vertices)
-			RwFree(vertices);
+		delete[] vertices;
 		if(numVerts){
-			vertices = (CompressedVector*)RwMalloc(numVerts*sizeof(CompressedVector));
+			vertices = new CompressedVector[numVerts];
 			for(i = 0; i < numVerts; i++)
 				vertices[i] = other.vertices[i];
 		}
@@ -189,19 +215,16 @@ CColModel::operator=(const CColModel &other)
 		// copy triangles
 		if(numTriangles != other.numTriangles){
 			numTriangles = other.numTriangles;
-			if(triangles)
-				RwFree(triangles);
-			triangles = (CColTriangle*)RwMalloc(numTriangles*sizeof(CColTriangle));
+			delete[] triangles;
+			triangles = new CColTriangle[numTriangles];
 		}
 		for(i = 0; i < numTriangles; i++)
 			triangles[i] = other.triangles[i];
 	}else{
 		numTriangles = 0;
-		if(triangles)
-			RwFree(triangles);
+		delete[] triangles;
 		triangles = nil;
-		if(vertices)
-			RwFree(vertices);
+		delete[] vertices;
 		vertices = nil;
 	}
 	return *this;
@@ -210,6 +233,36 @@ CColModel::operator=(const CColModel &other)
 bool
 CColModel::Write(base::cRelocatableChunkWriter &writer, bool allocSpace)
 {
-	assert(0 && "TODO(LCS)");
+	int numVerts = -1;
+	for(int i = 0; i < numTriangles; i++){
+		if(triangles[i].a > numVerts)
+			numVerts = triangles[i].a;
+		if(triangles[i].b > numVerts)
+			numVerts = triangles[i].b;
+		if(triangles[i].c > numVerts)
+			numVerts = triangles[i].c;
+	}
+	numVerts++;
+
+	if(allocSpace)
+		writer.AllocateRaw(this, sizeof(*this), 16, false, true);
+	writer.AllocateRaw(spheres, sizeof(*spheres)*numSpheres, 16, false, true);
+	writer.AddPatch(&spheres);
+	writer.AllocateRaw(lines, sizeof(*lines)*numLines, 16, false, true);
+	writer.AddPatch(&lines);
+	writer.AllocateRaw(boxes, sizeof(*boxes)*numBoxes, 16, false, true);
+	writer.AddPatch(&boxes);
+	if(triBBoxes && numTriBBoxes != 0){
+		writer.AllocateRaw(triBBoxes, sizeof(*triBBoxes)*numTriBBoxes, 16, false, true);
+		writer.AddPatch(&triBBoxes);
+	}else
+		triBBoxes = nil;
+	if(numTriangles != 0){
+		writer.AllocateRaw(vertices, sizeof(*vertices)*numVerts, 2, false, true);
+		writer.AddPatch(&vertices);
+		writer.AllocateRaw(triangles, sizeof(*triangles)*numTriangles, 2, false, true);
+		writer.AddPatch(&triangles);
+		RemoveTrianglePlanes();
+	}
 	return 1;
 }
diff --git a/src/collision/ColModel.h b/src/collision/ColModel.h
index c58a4d9b..64911db8 100644
--- a/src/collision/ColModel.h
+++ b/src/collision/ColModel.h
@@ -15,11 +15,13 @@ struct CColModel
 	int16 numBoxes;
 	int16 numTriangles;
 	int8 numLines;
+	int8 numTriBBoxes;
 	uint8 level;	// colstore slot but probably still named level
 	bool ownsCollisionVolumes;
 	CColSphere *spheres;
 	CColLine *lines;
 	CColBox *boxes;
+	CColTriBBox *triBBoxes;
 	CompressedVector *vertices;
 	CColTriangle *triangles;
 	CColTrianglePlane *trianglePlanes;
diff --git a/src/collision/ColPoint.h b/src/collision/ColPoint.h
index f978720d..36801efc 100644
--- a/src/collision/ColPoint.h
+++ b/src/collision/ColPoint.h
@@ -3,15 +3,13 @@
 struct CColPoint
 {
 	CVector point;
-	int pad1;	// this is stupid
+	float depth;
 	// the surface normal on the surface of point
 	CVector normal;
-	//int pad2;
 	uint8 surfaceA;
 	uint8 pieceA;
 	uint8 surfaceB;
 	uint8 pieceB;
-	float depth;
 
 	const CVector &GetNormal() { return normal; }
 	float GetDepth() { return depth; }
diff --git a/src/core/FileLoader.cpp b/src/core/FileLoader.cpp
index 2818007b..f2d925fc 100644
--- a/src/core/FileLoader.cpp
+++ b/src/core/FileLoader.cpp
@@ -291,7 +291,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 {
 	int i;
 
-	model.boundingSphere.radius = *(float*)(buf);
+	model.boundingSphere.radius = Max(*(float*)(buf), 0.1f);
 	model.boundingSphere.center.x = *(float*)(buf+4);
 	model.boundingSphere.center.y = *(float*)(buf+8);
 	model.boundingSphere.center.z = *(float*)(buf+12);
@@ -304,10 +304,13 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numSpheres = *(int16*)(buf+40);
 	buf += 44;
 	if(model.numSpheres > 0){
-		model.spheres = (CColSphere*)RwMalloc(model.numSpheres*sizeof(CColSphere));
+		model.spheres = new CColSphere[model.numSpheres];
 		REGISTER_MEMPTR(&model.spheres);
 		for(i = 0; i < model.numSpheres; i++){
-			model.spheres[i].Set(*(float*)buf, *(CVector*)(buf+4), buf[16], buf[17]);
+			float radius = *(float*)buf;
+			if(radius > model.boundingSphere.radius)
+				model.boundingSphere.radius = radius + 0.01f;
+			model.spheres[i].Set(radius, *(CVector*)(buf+4), buf[16], buf[17]);
 			buf += 20;
 		}
 	}else
@@ -316,7 +319,8 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numLines = *(int16*)buf;
 	buf += 4;
 	if(model.numLines > 0){
-		//model.lines = (CColLine*)RwMalloc(model.numLines*sizeof(CColLine));
+		//model.lines = new CColLine[model.numLines];;
+		REGISTER_MEMPTR(&model.lines);
 		for(i = 0; i < model.numLines; i++){
 			//model.lines[i].Set(*(CVector*)buf, *(CVector*)(buf+12));
 			buf += 24;
@@ -329,7 +333,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numBoxes = *(int16*)buf;
 	buf += 4;
 	if(model.numBoxes > 0){
-		model.boxes = (CColBox*)RwMalloc(model.numBoxes*sizeof(CColBox));
+		model.boxes = new CColBox[model.numBoxes];
 		REGISTER_MEMPTR(&model.boxes);
 		for(i = 0; i < model.numBoxes; i++){
 			model.boxes[i].Set(*(CVector*)buf, *(CVector*)(buf+12), buf[24], buf[25]);
@@ -341,7 +345,7 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	int32 numVertices = *(int16*)buf;
 	buf += 4;
 	if(numVertices > 0){
-		model.vertices = (CompressedVector*)RwMalloc(numVertices*sizeof(CompressedVector));
+		model.vertices = new CompressedVector[numVertices];
 		REGISTER_MEMPTR(&model.vertices);
 		for(i = 0; i < numVertices; i++){
 			model.vertices[i].Set(*(float*)buf, *(float*)(buf+4), *(float*)(buf+8));
@@ -359,14 +363,64 @@ CFileLoader::LoadCollisionModel(uint8 *buf, CColModel &model, char *modelname)
 	model.numTriangles = *(int16*)buf;
 	buf += 4;
 	if(model.numTriangles > 0){
-		model.triangles = (CColTriangle*)RwMalloc(model.numTriangles*sizeof(CColTriangle));
+		model.triangles = new CColTriangle[model.numTriangles];
 		REGISTER_MEMPTR(&model.triangles);
 		for(i = 0; i < model.numTriangles; i++){
 			model.triangles[i].Set(*(int32*)buf, *(int32*)(buf+4), *(int32*)(buf+8), buf[12]);
 			buf += 16;
+
+			// skip small triangles
+			CVector vA = model.vertices[model.triangles[i].a].Get();
+			CVector vB = model.vertices[model.triangles[i].b].Get();
+			CVector vC = model.vertices[model.triangles[i].c].Get();
+			float area = CrossProduct(vA - vB, vA - vC).Magnitude();
+			if(area < 0.001f || vA == vB || vA == vB || vB == vC){
+				i--;
+				model.numTriangles--;
+			}
 		}
 	}else
 		model.triangles = nil;
+
+	SplitColTrianglesIntoSections(model);
+}
+
+void
+CFileLoader::SplitColTrianglesIntoSections(CColModel &model)
+{
+	if(model.triangles == nil || model.numTriangles == 0)
+		return;
+
+	model.numTriBBoxes = 1;
+	model.triBBoxes = new CColTriBBox[1];
+	model.triBBoxes[0].first = 0;
+	model.triBBoxes[0].last = model.numTriangles-1;
+	CVector v = model.vertices[model.triangles[0].a].Get();
+	model.triBBoxes[0].Set(v, v);
+
+	for(int i = 0; i < model.numTriangles; i++){
+		CVector vA = model.vertices[model.triangles[i].a].Get();
+		CVector vB = model.vertices[model.triangles[i].b].Get();
+		CVector vC = model.vertices[model.triangles[i].c].Get();
+		model.triBBoxes[0].min.x = Min(vA.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vA.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vA.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].min.x = Min(vB.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vB.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vB.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].min.x = Min(vC.x, model.triBBoxes[0].min.x);
+		model.triBBoxes[0].min.y = Min(vC.y, model.triBBoxes[0].min.y);
+		model.triBBoxes[0].min.z = Min(vC.z, model.triBBoxes[0].min.z);
+		model.triBBoxes[0].max.x = Max(vA.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vA.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vA.z, model.triBBoxes[0].max.z);
+		model.triBBoxes[0].max.x = Max(vB.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vB.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vB.z, model.triBBoxes[0].max.z);
+		model.triBBoxes[0].max.x = Max(vC.x, model.triBBoxes[0].max.x);
+		model.triBBoxes[0].max.y = Max(vC.y, model.triBBoxes[0].max.y);
+		model.triBBoxes[0].max.z = Max(vC.z, model.triBBoxes[0].max.z);
+	}
 }
 
 static void
diff --git a/src/core/FileLoader.h b/src/core/FileLoader.h
index 077e7bdd..3a7d43a7 100644
--- a/src/core/FileLoader.h
+++ b/src/core/FileLoader.h
@@ -11,6 +11,7 @@ public:
 	static bool LoadCollisionFileFirstTime(uint8 *buffer, uint32 size, uint8 colSlot);
 	static bool LoadCollisionFile(uint8 *buffer, uint32 size, uint8 colSlot);
 	static void LoadCollisionModel(uint8 *buf, struct CColModel &model, char *name);
+	static void SplitColTrianglesIntoSections(CColModel &model);
 	static void LoadModelFile(const char *filename);
 	static RpAtomic *FindRelatedModelInfoCB(RpAtomic *atomic, void *data);
 	static void LoadClumpFile(const char *filename);
diff --git a/src/core/main.cpp b/src/core/main.cpp
index c3286ea9..936b0c31 100644
--- a/src/core/main.cpp
+++ b/src/core/main.cpp
@@ -88,6 +88,7 @@ bool gUseChunkFiles = false;
 bool gSecondExportPass;
 bool gUseModelResources;
 bool gUseResources;
+bool gNASTY_NASTY_MEM_SHUTDOWN_HACK;	// rather unused
 
 float FramesPerSecond = 30.0f;
 
diff --git a/src/core/main.h b/src/core/main.h
index 98813470..8e4123ff 100644
--- a/src/core/main.h
+++ b/src/core/main.h
@@ -30,6 +30,7 @@ extern bool gUseChunkFiles;
 extern bool gSecondExportPass;
 extern bool gUseModelResources;
 extern bool gUseResources;
+extern bool gNASTY_NASTY_MEM_SHUTDOWN_HACK;
 
 class CSprite2d;