diff --git a/dffwrite.cpp b/dffwrite.cpp
index 910c524..4cd0723 100644
--- a/dffwrite.cpp
+++ b/dffwrite.cpp
@@ -16,6 +16,7 @@ main(int argc, char *argv[])
 //	rw::build = 0;
 
 //	rw::version = 0x33002;
+//	rw::version = 0x30200;
 
 	gta::registerEnvSpecPlugin();
 	rw::registerMatFXPlugin();
diff --git a/src/clump.cpp b/src/clump.cpp
index 84ac9bb..11f0396 100644
--- a/src/clump.cpp
+++ b/src/clump.cpp
@@ -216,17 +216,19 @@ Clump::streamRead(Stream *stream)
 	clump->frameListStreamRead(stream, &frameList, &numFrames);
 	clump->parent = (void*)frameList[0];
 
-	// Geometry list
-	int32 numGeometries = 0;
-	assert(findChunk(stream, ID_GEOMETRYLIST, NULL, NULL));
-	assert(findChunk(stream, ID_STRUCT, NULL, NULL));
-	numGeometries = stream->readI32();
 	Geometry **geometryList = 0;
-	if(numGeometries)
-		geometryList = new Geometry*[numGeometries];
-	for(int32 i = 0; i < numGeometries; i++){
-		assert(findChunk(stream, ID_GEOMETRY, NULL, NULL));
-		geometryList[i] = Geometry::streamRead(stream);
+	if(version >= 0x30400){
+		// Geometry list
+		int32 numGeometries = 0;
+		assert(findChunk(stream, ID_GEOMETRYLIST, NULL, NULL));
+		assert(findChunk(stream, ID_STRUCT, NULL, NULL));
+		numGeometries = stream->readI32();
+		if(numGeometries)
+			geometryList = new Geometry*[numGeometries];
+		for(int32 i = 0; i < numGeometries; i++){
+			assert(findChunk(stream, ID_GEOMETRY, NULL, NULL));
+			geometryList[i] = Geometry::streamRead(stream);
+		}
 	}
 
 	// Atomics
@@ -274,14 +276,17 @@ Clump::streamWrite(Stream *stream)
 
 	this->frameListStreamWrite(stream, flist, numFrames);
 
-	size = 12+4;
-	for(int32 i = 0; i < this->numAtomics; i++)
-		size += 12 + this->atomicList[i]->geometry->streamGetSize();
-	writeChunkHeader(stream, ID_GEOMETRYLIST, size);
-	writeChunkHeader(stream, ID_STRUCT, 4);
-	stream->writeI32(this->numAtomics);	// same as numGeometries
-	for(int32 i = 0; i < this->numAtomics; i++)
-		this->atomicList[i]->geometry->streamWrite(stream);
+	if(rw::version >= 0x30400){
+		size = 12+4;
+		for(int32 i = 0; i < this->numAtomics; i++)
+			size += 12 +
+			        this->atomicList[i]->geometry->streamGetSize();
+		writeChunkHeader(stream, ID_GEOMETRYLIST, size);
+		writeChunkHeader(stream, ID_STRUCT, 4);
+		stream->writeI32(this->numAtomics);	// same as numGeometries
+		for(int32 i = 0; i < this->numAtomics; i++)
+			this->atomicList[i]->geometry->streamWrite(stream);
+	}
 
 	for(int32 i = 0; i < this->numAtomics; i++)
 		this->atomicList[i]->streamWriteClump(stream, flist, numFrames);
@@ -324,10 +329,13 @@ Clump::streamGetSize(void)
 	size += 12 + 12 + 4 + numFrames*(sizeof(FrameStreamData)+12);
 	sizeCB((Frame*)this->parent, (void*)&size);
 
-	// geometry list
-	size += 12 + 12 + 4;
-	for(int32 i = 0; i < this->numAtomics; i++)
-		size += 12 + this->atomicList[i]->geometry->streamGetSize();
+	if(rw::version >= 0x30400){
+		// geometry list
+		size += 12 + 12 + 4;
+		for(int32 i = 0; i < this->numAtomics; i++)
+			size += 12 +
+			        this->atomicList[i]->geometry->streamGetSize();
+	}
 
 	// atomics
 	for(int32 i = 0; i < this->numAtomics; i++)
@@ -449,11 +457,16 @@ Atomic::streamReadClump(Stream *stream,
                         Frame **frameList, Geometry **geometryList)
 {
 	int32 buf[4];
-	assert(findChunk(stream, ID_STRUCT, NULL, NULL));
-	stream->read(buf, 16);
+	uint32 version;
+	assert(findChunk(stream, ID_STRUCT, NULL, &version));
+	stream->read(buf, version < 0x30400 ? 12 : 16);
 	Atomic *atomic = new Atomic;
 	atomic->frame = frameList[buf[0]];
-	atomic->geometry = geometryList[buf[1]];
+	if(version < 0x30400){
+		assert(findChunk(stream, ID_GEOMETRY, NULL, NULL));
+		atomic->geometry = Geometry::streamRead(stream);
+	}else
+		atomic->geometry = geometryList[buf[1]];
 
 	atomicRights[0] = 0;
 	atomic->streamReadPlugins(stream);
@@ -470,17 +483,22 @@ Atomic::streamWriteClump(Stream *stream, Frame **frameList, int32 numFrames)
 	if(c == NULL)
 		return false;
 	writeChunkHeader(stream, ID_ATOMIC, this->streamGetSize());
-	writeChunkHeader(stream, ID_STRUCT, 16);
+	writeChunkHeader(stream, ID_STRUCT, rw::version < 0x30400 ? 12 : 16);
 	buf[0] = findPointer((void*)this->frame, (void**)frameList, numFrames);
 
-// TODO
-	for(buf[1] = 0; buf[1] < c->numAtomics; buf[1]++)
-		if(c->atomicList[buf[1]]->geometry == this->geometry)
-			goto foundgeo;
-	return false;
-foundgeo:
+	if(version < 0x30400){
+		stream->write(buf, sizeof(int[3]));
+		this->geometry->streamWrite(stream);
+	}else{
+		// TODO
+		for(buf[1] = 0; buf[1] < c->numAtomics; buf[1]++)
+			if(c->atomicList[buf[1]]->geometry == this->geometry)
+				goto foundgeo;
+		return false;
+	foundgeo:
+		stream->write(buf, sizeof(buf));
+	}
 
-	stream->write(buf, sizeof(buf));
 	this->streamWritePlugins(stream);
 	return true;
 }
@@ -488,7 +506,12 @@ foundgeo:
 uint32
 Atomic::streamGetSize(void)
 {
-	return 12 + 16 + 12 + this->streamGetPluginSize();
+	uint32 size = 12 + 12 + 12 + this->streamGetPluginSize();
+	if(rw::version < 0x30400)
+		size += 12 + this->geometry->streamGetSize();
+	else
+		size += 4;
+	return size;
 }
 
 ObjPipeline *defaultPipelines[NUM_PLATFORMS];
diff --git a/src/geometry.cpp b/src/geometry.cpp
index 0121cd1..d4fa0fa 100644
--- a/src/geometry.cpp
+++ b/src/geometry.cpp
@@ -24,7 +24,6 @@ Geometry::Geometry(int32 numVerts, int32 numTris, uint32 flags)
 	this->numTriangles = numTris;
 	this->numVertices = numVerts;
 	this->numMorphTargets = 1;
-printf("geometry: %X %X\n", this->numTriangles, this->numVertices);
 
 	this->colors = NULL;
 	for(int32 i = 0; i < this->numTexCoordSets; i++)
@@ -317,7 +316,6 @@ Geometry::generateTriangles(void)
 
 	delete[] this->triangles;
 	this->triangles = new uint16[4*this->numTriangles];
-	printf("%d %p\n", this->numTriangles, this->triangles);
 
 	uint16 *f = this->triangles;
 	m = header->mesh;
@@ -395,7 +393,6 @@ struct MatStreamData
 	uint8 color[4];
 	int32 unused;
 	int32 textured;
-	float32 surfaceProps[3];
 };
 
 static uint32 materialRights[2];
@@ -403,18 +400,26 @@ static uint32 materialRights[2];
 Material*
 Material::streamRead(Stream *stream)
 {
-	uint32 length;
+	uint32 length, version;
 	MatStreamData buf;
-	assert(findChunk(stream, ID_STRUCT, NULL, NULL));
+	assert(findChunk(stream, ID_STRUCT, NULL, &version));
 	stream->read(&buf, sizeof(buf));
 	Material *mat = new Material;
 	mat->color[0] = buf.color[0];
 	mat->color[1] = buf.color[1];
 	mat->color[2] = buf.color[2];
 	mat->color[3] = buf.color[3];
-	mat->surfaceProps[0] = buf.surfaceProps[0];
-	mat->surfaceProps[1] = buf.surfaceProps[1];
-	mat->surfaceProps[2] = buf.surfaceProps[2];
+	if(version < 0x30400){
+		mat->surfaceProps[0] = 1.0f;
+		mat->surfaceProps[1] = 1.0f;
+		mat->surfaceProps[2] = 1.0f;
+	}else{
+		float32 surfaceProps[3];
+		stream->read(surfaceProps, sizeof(surfaceProps));
+		mat->surfaceProps[0] = surfaceProps[0];
+		mat->surfaceProps[1] = surfaceProps[1];
+		mat->surfaceProps[2] = surfaceProps[2];
+	}
 
 	if(buf.textured){
 		assert(findChunk(stream, ID_TEXTURE, &length, NULL));
@@ -434,20 +439,26 @@ Material::streamWrite(Stream *stream)
 	MatStreamData buf;
 
 	writeChunkHeader(stream, ID_MATERIAL, this->streamGetSize());
-	writeChunkHeader(stream, ID_STRUCT, sizeof(MatStreamData));
+	writeChunkHeader(stream, ID_STRUCT, sizeof(MatStreamData)
+		+ (rw::version >= 0x30400 ? 12 : 0));
 
 	buf.color[0] = this->color[0];
 	buf.color[1] = this->color[1];
 	buf.color[2] = this->color[2];
 	buf.color[3] = this->color[3];
-	buf.surfaceProps[0] = this->surfaceProps[0];
-	buf.surfaceProps[1] = this->surfaceProps[1];
-	buf.surfaceProps[2] = this->surfaceProps[2];
 	buf.flags = 0;
 	buf.unused = 0;
 	buf.textured = this->texture != NULL;
 	stream->write(&buf, sizeof(buf));
 
+	if(rw::version >= 0x30400){
+		float32 surfaceProps[3];
+		surfaceProps[0] = this->surfaceProps[0];
+		surfaceProps[1] = this->surfaceProps[1];
+		surfaceProps[2] = this->surfaceProps[2];
+		stream->write(surfaceProps, sizeof(surfaceProps));
+	}
+
 	if(this->texture)
 		this->texture->streamWrite(stream);
 
@@ -460,6 +471,8 @@ Material::streamGetSize(void)
 {
 	uint32 size = 0;
 	size += 12 + sizeof(MatStreamData);
+	if(rw::version >= 0x30400)
+		size += 12;
 	if(this->texture)
 		size += 12 + this->texture->streamGetSize();
 	size += 12 + this->streamGetPluginSize();
diff --git a/src/plugins.cpp b/src/plugins.cpp
index f4e0372..500929f 100644
--- a/src/plugins.cpp
+++ b/src/plugins.cpp
@@ -159,7 +159,6 @@ readMesh(Stream *stream, int32 len, void *object, int32, int32)
 	geo->meshHeader->flags = buf[0];
 	geo->meshHeader->numMeshes = buf[1];
 	geo->meshHeader->totalIndices = buf[2];
-printf("total: %X\n", geo->meshHeader->totalIndices);
 	geo->meshHeader->mesh = new Mesh[geo->meshHeader->numMeshes];
 	Mesh *mesh = geo->meshHeader->mesh;
 	bool hasData = len > 12+geo->meshHeader->numMeshes*8;
diff --git a/src/ps2.cpp b/src/ps2.cpp
index f529ddd..f659c77 100644
--- a/src/ps2.cpp
+++ b/src/ps2.cpp
@@ -800,6 +800,86 @@ skinInstanceCB(MatPipeline *, Geometry *g, Mesh *m, uint8 **data, int32 n)
 
 // TODO: look at PC SA rccam.dff bloodrb.dff, Xbox csbigbear.dff
 
+static void
+rotateface(int f[])
+{
+	int tmp;
+	while(f[0] > f[1] || f[0] > f[2]){
+		tmp = f[0];
+		f[0] = f[1];
+		f[1] = f[2];
+		f[2] = tmp;
+	}
+
+/*
+	if(f[0] > f[1]){
+		tmp = f[0];
+		f[0] = f[1];
+		f[1] = tmp;
+	}
+	if(f[0] > f[2]){
+		tmp = f[0];
+		f[0] = f[2];
+		f[2] = tmp;
+	}
+	if(f[1] > f[2]){
+		tmp = f[1];
+		f[1] = f[2];
+		f[2] = tmp;
+	}
+*/
+}
+
+static int
+validFace(Geometry *g, uint16 *f, int j, int m)
+{
+	int f1[3], f2[3];
+	f1[0] = f[j+0 + (j%2)];
+	f1[1] = f[j+1 - (j%2)];
+	f1[2] = f[j+2];
+//printf("-> %d %d %d\n", f1[0], f1[1], f1[2]);
+	rotateface(f1);
+	uint16 *fs = g->triangles;
+	for(int i = 0; i < g->numTriangles; i++, fs += 4){
+		if(fs[2] != m)
+			continue;
+		f2[0] = fs[1];
+		f2[1] = fs[0];
+		f2[2] = fs[3];
+//printf("<- %d %d %d\n", f2[0], f2[1], f2[2]);
+		rotateface(f2);
+		if(f1[0] == f2[0] &&
+		   f1[1] == f2[1] &&
+		   f1[2] == f2[2])
+			return 1;
+	}
+	return 0;
+}
+
+static int
+isdegenerate(uint16 *f)
+{
+	return f[0] == f[1] ||
+	       f[0] == f[2] ||
+	       f[1] == f[2];
+}
+
+static int
+debugadc(Geometry *g, MeshHeader *mh, ADCData *adc)
+{
+	int n = 0;
+	for(int i = 0; i < mh->numMeshes; i++){
+		uint16 *idx = mh->mesh[i].indices;
+		for(int j = 0; j < mh->mesh[i].numIndices-2; j++){
+			if(!validFace(g, idx, j, i) && !isdegenerate(idx+j)){
+				n++;
+//				printf("> %d %d %d %d\n", i, idx[j+0], idx[j+1], idx[j+2]);
+			}
+		}
+	}
+	return n;
+}
+
 static void*
 createADC(void *object, int32 offset, int32)
 {
@@ -847,18 +927,21 @@ readADC(Stream *stream, int32, void *object, int32 offset, int32)
 	adc->adcBits = new int8[size];
 	stream->read(adc->adcBits, size);
 
+/*
 	Geometry *geometry = (Geometry*)object;
 	int ones = 0, zeroes = 0;
 	for(int i = 0; i < adc->numBits; i++)
-		if(adc->adcBits[i] == 0)
-			zeroes++;
-		else if(adc->adcBits[i] == 1)
+		if(adc->adcBits[i])
 			ones++;
 		else
-			fprintf(stderr, "what the fuck man\n");
-	printf("%X %X %X\n", adc->numBits, zeroes, ones);
+			zeroes++;
 	MeshHeader *meshHeader = geometry->meshHeader;
-	printf("%X\n", meshHeader->totalIndices);
+	int n = debugadc(geometry, meshHeader, adc);
+	printf("%X %X | %X %X %X\n",
+		meshHeader->totalIndices,
+		meshHeader->totalIndices + n,
+		adc->numBits, zeroes, ones);
+*/
 }
 
 static void
diff --git a/src/rwps2.h b/src/rwps2.h
index c10af7a..59866b5 100644
--- a/src/rwps2.h
+++ b/src/rwps2.h
@@ -86,7 +86,10 @@ int32 getSizeNativeSkin(void *object, int32 offset);
 
 // Each element in adcBits corresponds to an index in Mesh->indices,
 // this assumes the Mesh indices are ADC formatted.
-// For some reason ADCData->numBits != Mesh->numIndices
+// ADCData->numBits != Mesh->numIndices. ADCData->numBits is probably
+// equal to Mesh->numIndices before the Mesh gets ADC formatted.
+//
+// Can't convert between ADC-formatted and non-ADC-formatted yet :(
 
 struct ADCData
 {