public static Lib3dsCameraNode lib3ds_node_new_camera(Lib3dsCamera camera)
{
Debug.Assert(camera != null);
Lib3dsNode node = lib3ds_node_new(Lib3dsNodeType.LIB3DS_NODE_CAMERA);
node.name = camera.name;
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
lib3ds_track_resize(n.pos_track, 1);
lib3ds_vector_copy(n.pos_track.keys[0].value, camera.position);
lib3ds_track_resize(n.fov_track, 1);
n.fov_track.keys[0].value[0] = camera.fov;
lib3ds_track_resize(n.roll_track, 1);
n.roll_track.keys[0].value[0] = camera.roll;
return(n);
}
// Create and return a new node object.
//
// The node is returned with an identity matrix. All other fields
// are zero.
//
// \return Lib3dsNode
public static Lib3dsNode lib3ds_node_new(Lib3dsNodeType type)
{
Lib3dsNode node=null;
switch(type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR:
{
Lib3dsAmbientColorNode n=new Lib3dsAmbientColorNode();
node=n;
node.name="$AMBIENT$";
n.color_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE:
{
Lib3dsMeshInstanceNode n=new Lib3dsMeshInstanceNode();
node=n;
node.name="$$$DUMMY";
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.scl_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.rot_track.type=Lib3dsTrackType.LIB3DS_TRACK_QUAT;
n.hide_track.type=Lib3dsTrackType.LIB3DS_TRACK_BOOL;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n=new Lib3dsCameraNode();
node=n;
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.fov_track.type=Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.roll_track.type=Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET:
{
Lib3dsTargetNode n=new Lib3dsTargetNode();
node=n;
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n=new Lib3dsOmnilightNode();
node=n;
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.color_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n=new Lib3dsSpotlightNode();
node=n;
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.color_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.hotspot_track.type=Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.falloff_track.type=Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.roll_track.type=Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET:
{
Lib3dsTargetNode n=new Lib3dsTargetNode();
node=n;
n.pos_track.type=Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
default: Debug.Assert(false); return null;
}
node.type=type;
node.node_id=65535;
node.parent_id=65535;
lib3ds_matrix_identity(node.matrixNode);
return node;
}
public static void lib3ds_node_write(Lib3dsNode node, ushort node_id, ushort parent_id, Lib3dsIo io)
{
Lib3dsChunk c_node = new Lib3dsChunk();
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR: c_node.chunk = Lib3dsChunks.CHK_AMBIENT_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE: c_node.chunk = Lib3dsChunks.CHK_OBJECT_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA: c_node.chunk = Lib3dsChunks.CHK_CAMERA_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET: c_node.chunk = Lib3dsChunks.CHK_TARGET_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT: c_node.chunk = Lib3dsChunks.CHK_LIGHT_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT: c_node.chunk = Lib3dsChunks.CHK_SPOTLIGHT_NODE_TAG; break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET: c_node.chunk = Lib3dsChunks.CHK_L_TARGET_NODE_TAG; break;
default: Debug.Assert(false); return;
}
lib3ds_chunk_write_start(c_node, io);
{ // ---- CHK_NODE_ID ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_NODE_ID;
c.size = 8;
lib3ds_chunk_write(c, io);
lib3ds_io_write_word(io, node_id);
}
{ // ---- CHK_NODE_HDR ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_NODE_HDR;
c.size = 6 + 1 + (uint)node.name.Length + 2 + 2 + 2;
lib3ds_chunk_write(c, io);
lib3ds_io_write_string(io, node.name);
lib3ds_io_write_dword(io, node.flags);
lib3ds_io_write_word(io, parent_id);
}
switch (c_node.chunk)
{
case Lib3dsChunks.CHK_AMBIENT_NODE_TAG:
{
Lib3dsAmbientColorNode n = (Lib3dsAmbientColorNode)node;
if (n.color_track.keys.Count != 0)
{ // ---- CHK_COL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.color_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
case Lib3dsChunks.CHK_OBJECT_NODE_TAG:
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
{ // ---- CHK_PIVOT ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_PIVOT;
c.size = 18;
lib3ds_chunk_write(c, io);
lib3ds_io_write_vector(io, n.pivot);
}
if (n.instance_name.Length != 0)
{ // ---- CHK_INSTANCE_NAME ----
string name = n.instance_name;
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_INSTANCE_NAME;
c.size = 6 + 1 + (uint)name.Length;
lib3ds_chunk_write(c, io);
lib3ds_io_write_string(io, name);
}
{
int i = 0;
for (i = 0; i < 3; i++)
{
if (Math.Abs(n.bbox_min[i]) > EPSILON || Math.Abs(n.bbox_max[i]) > EPSILON)
{
break;
}
}
if (i < 3)
{ // ---- CHK_BOUNDBOX ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_BOUNDBOX;
c.size = 30;
lib3ds_chunk_write(c, io);
lib3ds_io_write_vector(io, n.bbox_min);
lib3ds_io_write_vector(io, n.bbox_max);
}
}
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.rot_track.keys.Count != 0)
{ // ---- CHK_ROT_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_ROT_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.rot_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.scl_track.keys.Count != 0)
{ // ---- LIB3DS_SCL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_SCL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.scl_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.hide_track.keys.Count != 0)
{ // ---- CHK_HIDE_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_HIDE_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.hide_track, io);
lib3ds_chunk_write_end(c, io);
}
if (Math.Abs(n.morph_smooth) > EPSILON)
{ // ---- CHK_MORPH_SMOOTH ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_MORPH_SMOOTH;
c.size = 10;
lib3ds_chunk_write(c, io);
lib3ds_io_write_float(io, n.morph_smooth);
}
}
break;
case Lib3dsChunks.CHK_CAMERA_NODE_TAG:
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.fov_track.keys.Count != 0)
{ // ---- CHK_FOV_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_FOV_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.fov_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.roll_track.keys.Count != 0)
{ // ---- CHK_ROLL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_ROLL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.roll_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
case Lib3dsChunks.CHK_TARGET_NODE_TAG:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
case Lib3dsChunks.CHK_LIGHT_NODE_TAG:
{
Lib3dsOmnilightNode n = (Lib3dsOmnilightNode)node;
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.color_track.keys.Count != 0)
{ // ---- CHK_COL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.color_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
case Lib3dsChunks.CHK_SPOTLIGHT_NODE_TAG:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.color_track.keys.Count != 0)
{ // ---- CHK_COL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_COL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.color_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.hotspot_track.keys.Count != 0)
{ // ---- CHK_HOT_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_HOT_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.hotspot_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.falloff_track.keys.Count != 0)
{ // ---- CHK_FALL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_FALL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.falloff_track, io);
lib3ds_chunk_write_end(c, io);
}
if (n.roll_track.keys.Count != 0)
{ // ---- CHK_ROLL_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_ROLL_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.roll_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
case Lib3dsChunks.CHK_L_TARGET_NODE_TAG:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
if (n.pos_track.keys.Count != 0)
{ // ---- CHK_POS_TRACK_TAG ----
Lib3dsChunk c = new Lib3dsChunk();
c.chunk = Lib3dsChunks.CHK_POS_TRACK_TAG;
lib3ds_chunk_write_start(c, io);
lib3ds_track_write(n.pos_track, io);
lib3ds_chunk_write_end(c, io);
}
}
break;
}
lib3ds_chunk_write_end(c_node, io);
}
public static void lib3ds_node_read(Lib3dsNode node, Lib3dsIo io)
{
Lib3dsChunk c = new Lib3dsChunk();
Lib3dsChunks chunk;
Debug.Assert(node != null);
lib3ds_chunk_read_start(c, 0, io);
switch (c.chunk)
{
case Lib3dsChunks.CHK_AMBIENT_NODE_TAG:
case Lib3dsChunks.CHK_OBJECT_NODE_TAG:
case Lib3dsChunks.CHK_CAMERA_NODE_TAG:
case Lib3dsChunks.CHK_TARGET_NODE_TAG:
case Lib3dsChunks.CHK_LIGHT_NODE_TAG:
case Lib3dsChunks.CHK_SPOTLIGHT_NODE_TAG:
case Lib3dsChunks.CHK_L_TARGET_NODE_TAG: break;
default: return;
}
while ((chunk = lib3ds_chunk_read_next(c, io)) != 0)
{
switch (chunk)
{
case Lib3dsChunks.CHK_NODE_ID:
node.node_id = lib3ds_io_read_word(io);
node.hasNodeID = true;
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, Lib3dsLogLevel.LIB3DS_LOG_INFO, "ID={0}", node.node_id);
lib3ds_io_log_indent(io, -1);
break;
case Lib3dsChunks.CHK_NODE_HDR:
node.name = lib3ds_io_read_string(io, 64);
node.flags = lib3ds_io_read_dword(io);
node.parent_id = lib3ds_io_read_word(io);
lib3ds_io_log_indent(io, 1);
lib3ds_io_log(io, Lib3dsLogLevel.LIB3DS_LOG_INFO, "NAME={0}", node.name);
lib3ds_io_log(io, Lib3dsLogLevel.LIB3DS_LOG_INFO, "PARENT={0}", (short)node.parent_id);
lib3ds_io_log_indent(io, -1);
break;
case Lib3dsChunks.CHK_PIVOT:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
lib3ds_io_read_vector(io, n.pivot);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_INSTANCE_NAME:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
n.instance_name = lib3ds_io_read_string(io, 64);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_BOUNDBOX:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
lib3ds_io_read_vector(io, n.bbox_min);
lib3ds_io_read_vector(io, n.bbox_max);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_COL_TRACK_TAG:
{
Lib3dsTrack track = null;
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR:
{
Lib3dsAmbientColorNode n = (Lib3dsAmbientColorNode)node;
track = n.color_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n = (Lib3dsOmnilightNode)node;
track = n.color_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
track = n.color_track;
}
break;
default: lib3ds_chunk_unknown(chunk, io); break;
}
if (track != null)
{
lib3ds_track_read(track, io);
}
}
break;
case Lib3dsChunks.CHK_POS_TRACK_TAG:
{
Lib3dsTrack track = null;
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE:
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
track = n.pos_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
track = n.pos_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
track = n.pos_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n = (Lib3dsOmnilightNode)node;
track = n.pos_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
track = n.pos_track;
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
track = n.pos_track;
}
break;
default: lib3ds_chunk_unknown(chunk, io); break;
}
if (track != null)
{
lib3ds_track_read(track, io);
}
}
break;
case Lib3dsChunks.CHK_ROT_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
n.rot_track.type = Lib3dsTrackType.LIB3DS_TRACK_QUAT;
lib3ds_track_read(n.rot_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_SCL_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
n.scl_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
lib3ds_track_read(n.scl_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_FOV_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_CAMERA)
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
n.fov_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
lib3ds_track_read(n.fov_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_HOT_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT)
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
n.hotspot_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
lib3ds_track_read(n.hotspot_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_FALL_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT)
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
n.falloff_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
lib3ds_track_read(n.falloff_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_ROLL_TRACK_TAG:
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
n.roll_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
lib3ds_track_read(n.roll_track, io);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
n.roll_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
lib3ds_track_read(n.roll_track, io);
}
break;
default: lib3ds_chunk_unknown(chunk, io); break;
}
break;
case Lib3dsChunks.CHK_HIDE_TRACK_TAG:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
n.hide_track.type = Lib3dsTrackType.LIB3DS_TRACK_BOOL;
lib3ds_track_read(n.hide_track, io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
case Lib3dsChunks.CHK_MORPH_SMOOTH:
if (node.type == Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
n.morph_smooth = lib3ds_io_read_float(io);
}
else
{
lib3ds_chunk_unknown(chunk, io);
}
break;
//case Lib3dsChunks.LIB3DS_MORPH_TRACK_TAG:
// if(node.type==Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE)
// {
// Lib3dsMeshInstanceNode n=(Lib3dsMeshInstanceNode)node;
// n.morph_track=lib3ds_track_new(node, LIB3DS_TRACK_MORPH, 0);
// lib3ds_track_read(n.morph_track, io);
// }
// else lib3ds_chunk_unknown(chunk, io);
// break;
default: lib3ds_chunk_unknown(chunk, io); break;
}
}
lib3ds_chunk_read_end(c, io);
}
// Evaluate an animation node.
//
// Recursively sets node and its children to their appropriate values
// for this point in the animation.
//
// \param node Node to be evaluated.
// \param t time value, between 0. and file.frames
public static void lib3ds_node_eval(Lib3dsNode node, float t)
{
Debug.Assert(node != null);
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR:
{
Lib3dsAmbientColorNode n = (Lib3dsAmbientColorNode)node;
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_track_eval_vector(n.color_track, n.color, t);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE:
{
float[,] M = new float[4, 4];
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
lib3ds_track_eval_quat(n.rot_track, n.rot, t);
if (n.scl_track.keys.Count != 0)
{
lib3ds_track_eval_vector(n.scl_track, n.scl, t);
}
else
{
n.scl[0] = n.scl[1] = n.scl[2] = 1.0f;
}
lib3ds_track_eval_bool(n.hide_track, out n.hide, t);
lib3ds_matrix_identity(M);
lib3ds_matrix_translate(M, n.pos[0], n.pos[1], n.pos[2]);
lib3ds_matrix_rotate_quat(M, n.rot);
lib3ds_matrix_scale(M, n.scl[0], n.scl[1], n.scl[2]);
if (node.parent != null)
{
lib3ds_matrix_mult(node.matrixNode, node.parent.matrixNode, M);
}
else
{
lib3ds_matrix_copy(node.matrixNode, M);
}
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
lib3ds_track_eval_float(n.fov_track, out n.fov, t);
lib3ds_track_eval_float(n.roll_track, out n.roll, t);
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_matrix_translate(node.matrixNode, n.pos[0], n.pos[1], n.pos[2]);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_matrix_translate(node.matrixNode, n.pos[0], n.pos[1], n.pos[2]);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n = (Lib3dsOmnilightNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
lib3ds_track_eval_vector(n.color_track, n.color, t);
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_matrix_translate(node.matrixNode, n.pos[0], n.pos[1], n.pos[2]);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
lib3ds_track_eval_vector(n.color_track, n.color, t);
lib3ds_track_eval_float(n.hotspot_track, out n.hotspot, t);
lib3ds_track_eval_float(n.falloff_track, out n.falloff, t);
lib3ds_track_eval_float(n.roll_track, out n.roll, t);
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_matrix_translate(node.matrixNode, n.pos[0], n.pos[1], n.pos[2]);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
lib3ds_track_eval_vector(n.pos_track, n.pos, t);
if (node.parent != null)
{
lib3ds_matrix_copy(node.matrixNode, node.parent.matrixNode);
}
else
{
lib3ds_matrix_identity(node.matrixNode);
}
lib3ds_matrix_translate(node.matrixNode, n.pos[0], n.pos[1], n.pos[2]);
}
break;
}
foreach (Lib3dsNode p in node.childs)
{
lib3ds_node_eval(p, t);
}
}
static void free_node_and_childs(Lib3dsNode node)
{
Debug.Assert(node != null);
switch (node.type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR:
{
Lib3dsAmbientColorNode n = (Lib3dsAmbientColorNode)node;
lib3ds_track_resize(n.color_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE:
{
Lib3dsMeshInstanceNode n = (Lib3dsMeshInstanceNode)node;
lib3ds_track_resize(n.pos_track, 0);
lib3ds_track_resize(n.rot_track, 0);
lib3ds_track_resize(n.scl_track, 0);
lib3ds_track_resize(n.hide_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n = (Lib3dsCameraNode)node;
lib3ds_track_resize(n.pos_track, 0);
lib3ds_track_resize(n.fov_track, 0);
lib3ds_track_resize(n.roll_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
lib3ds_track_resize(n.pos_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n = (Lib3dsOmnilightNode)node;
lib3ds_track_resize(n.pos_track, 0);
lib3ds_track_resize(n.color_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = (Lib3dsSpotlightNode)node;
lib3ds_track_resize(n.pos_track, 0);
lib3ds_track_resize(n.color_track, 0);
lib3ds_track_resize(n.hotspot_track, 0);
lib3ds_track_resize(n.falloff_track, 0);
lib3ds_track_resize(n.roll_track, 0);
}
break;
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET:
{
Lib3dsTargetNode n = (Lib3dsTargetNode)node;
lib3ds_track_resize(n.pos_track, 0);
}
break;
}
foreach (Lib3dsNode p in node.childs)
{
free_node_and_childs(p);
}
node.childs.Clear();
}
// Create and return a new node object.
//
// The node is returned with an identity matrix. All other fields
// are zero.
//
// \return Lib3dsNode
public static Lib3dsNode lib3ds_node_new(Lib3dsNodeType type)
{
Lib3dsNode node = null;
switch (type)
{
case Lib3dsNodeType.LIB3DS_NODE_AMBIENT_COLOR:
{
Lib3dsAmbientColorNode n = new Lib3dsAmbientColorNode();
node = n;
node.name = "$AMBIENT$";
n.color_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_MESH_INSTANCE:
{
Lib3dsMeshInstanceNode n = new Lib3dsMeshInstanceNode();
node = n;
node.name = "$$$DUMMY";
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.scl_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.rot_track.type = Lib3dsTrackType.LIB3DS_TRACK_QUAT;
n.hide_track.type = Lib3dsTrackType.LIB3DS_TRACK_BOOL;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_CAMERA:
{
Lib3dsCameraNode n = new Lib3dsCameraNode();
node = n;
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.fov_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.roll_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_CAMERA_TARGET:
{
Lib3dsTargetNode n = new Lib3dsTargetNode();
node = n;
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_OMNILIGHT:
{
Lib3dsOmnilightNode n = new Lib3dsOmnilightNode();
node = n;
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.color_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT:
{
Lib3dsSpotlightNode n = new Lib3dsSpotlightNode();
node = n;
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.color_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
n.hotspot_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.falloff_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
n.roll_track.type = Lib3dsTrackType.LIB3DS_TRACK_FLOAT;
break;
}
case Lib3dsNodeType.LIB3DS_NODE_SPOTLIGHT_TARGET:
{
Lib3dsTargetNode n = new Lib3dsTargetNode();
node = n;
n.pos_track.type = Lib3dsTrackType.LIB3DS_TRACK_VECTOR;
break;
}
default: Debug.Assert(false); return(null);
}
node.type = type;
node.node_id = 65535;
node.parent_id = 65535;
lib3ds_matrix_identity(node.matrixNode);
return(node);
}
