void NIFSkeletonLoader::buildBones(Ogre::Skeleton *skel, const Nif::Node *node, Ogre::Bone *parent)
{
Ogre::Bone *bone;
if(!skel->hasBone(node->name))
bone = skel->createBone(node->name);
else
bone = skel->createBone();
if(parent) parent->addChild(bone);
mNifToOgreHandleMap[node->recIndex] = bone->getHandle();
bone->setOrientation(node->trafo.rotation);
bone->setPosition(node->trafo.pos);
bone->setScale(Ogre::Vector3(node->trafo.scale));
bone->setBindingPose();
if(!(node->recType == Nif::RC_NiNode || /* Nothing special; children traversed below */
node->recType == Nif::RC_RootCollisionNode || /* handled in nifbullet (hopefully) */
node->recType == Nif::RC_NiTriShape || /* Handled in the mesh loader */
node->recType == Nif::RC_NiBSAnimationNode || /* Handled in the object loader */
node->recType == Nif::RC_NiBillboardNode || /* Handled in the object loader */
node->recType == Nif::RC_NiBSParticleNode ||
node->recType == Nif::RC_NiCamera ||
node->recType == Nif::RC_NiAutoNormalParticles ||
node->recType == Nif::RC_NiRotatingParticles
))
warn("Unhandled "+node->recName+" "+node->name+" in "+skel->getName());
Nif::ControllerPtr ctrl = node->controller;
while(!ctrl.empty())
{
if(!(ctrl->recType == Nif::RC_NiParticleSystemController ||
ctrl->recType == Nif::RC_NiVisController ||
ctrl->recType == Nif::RC_NiUVController ||
ctrl->recType == Nif::RC_NiKeyframeController ||
ctrl->recType == Nif::RC_NiGeomMorpherController
))
warn("Unhandled "+ctrl->recName+" from node "+node->name+" in "+skel->getName());
ctrl = ctrl->next;
}
const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(node);
if(ninode)
{
const Nif::NodeList &children = ninode->children;
for(size_t i = 0;i < children.length();i++)
{
if(!children[i].empty())
buildBones(skel, children[i].getPtr(), bone);
}
}
}
void CAnimatedEntity::moveBone(const std::string &bone, float pitch) {
Ogre::Bone * entityBone = _entity->getSkeleton()->getBone(bone);
entityBone->reset();
Ogre::Skeleton * skel = _entity->getSkeleton();
//entityBone->setManuallyControlled(true);
unsigned short boneHandle = entityBone->getHandle();
Ogre::AnimationStateIterator animStateIt = _entity->getAllAnimationStates()->getAnimationStateIterator();
while( animStateIt.hasMoreElements() )
{
Ogre::AnimationState *pAnimState = animStateIt.getNext();
// ignore disabled animations
skel->getAnimation(pAnimState->getAnimationName())->destroyNodeTrack(boneHandle);
}
entityBone->pitch(Ogre::Radian(pitch));
}
void EMDOgre::createOgreMesh(EMDSubmesh *submesh, string mesh_name) {
string ogre_mesh_name = mesh_name + "_" + submesh->getMaterialName();
Ogre::MeshPtr ogre_mesh = Ogre::MeshManager::getSingleton().createManual(ogre_mesh_name, XENOVIEWER_RESOURCE_GROUP);
LibXenoverse::AABB mesh_aabb;
mesh_aabb.reset();
if (skeleton) {
ogre_mesh->setSkeletonName(skeleton->getName());
}
// Create Vertex Pool
vector<EMDVertex> submesh_vertices = submesh->getVertices();
const size_t nVertices = submesh_vertices.size();
const size_t nVertCount = 8;
const size_t vbufCount = nVertCount*nVertices;
float *vertices = (float *)malloc(sizeof(float)*vbufCount);
for (size_t i = 0; i < nVertices; i++) {
vertices[i*nVertCount] = submesh_vertices[i].x;
vertices[i*nVertCount + 1] = submesh_vertices[i].y;
vertices[i*nVertCount + 2] = submesh_vertices[i].z;
vertices[i*nVertCount + 3] = submesh_vertices[i].nx;
vertices[i*nVertCount + 4] = submesh_vertices[i].ny;
vertices[i*nVertCount + 5] = submesh_vertices[i].nz;
vertices[i*nVertCount + 6] = submesh_vertices[i].u;
vertices[i*nVertCount + 7] = submesh_vertices[i].v;
mesh_aabb.addPoint(submesh_vertices[i].x, submesh_vertices[i].y, submesh_vertices[i].z);
}
// Create Submeshes for each Triangle List
vector<EMDTriangles> submesh_triangles = submesh->getTriangles();
for (size_t i = 0; i < submesh_triangles.size(); i++) {
Ogre::SubMesh *sub = createOgreSubmesh(&submesh_triangles[i], ogre_mesh);
}
// Create Shared Vertex Data for all submeshes
Ogre::VertexData *vertex_data = new Ogre::VertexData();
ogre_mesh->sharedVertexData = vertex_data;
vertex_data->vertexCount = nVertices;
Ogre::VertexDeclaration* decl = vertex_data->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(offset, nVertices, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
Ogre::VertexBufferBinding* bind = vertex_data->vertexBufferBinding;
bind->setBinding(0, vbuf);
// Create Bone Assignments if Skeleton name exists
if (skeleton) {
Ogre::Skeleton *ogre_skeleton = skeleton->getOgreSkeleton();
if (ogre_skeleton) {
for (size_t i = 0; i < submesh_triangles.size(); i++) {
EMDTriangles *triangles = &submesh_triangles[i];
vector<unsigned int> vertex_indices;
size_t face_count = triangles->faces.size();
// Make a list of all vertex indices being used in the submesh
vertex_indices.reserve(face_count);
for (size_t j = 0; j < face_count; j++) {
bool found = false;
for (size_t k = 0; k < vertex_indices.size(); k++) {
if (vertex_indices[k] == triangles->faces[j]) {
found = true;
break;
}
}
if (!found) vertex_indices.push_back(triangles->faces[j]);
}
// Build Bone Mapping Table
vector<unsigned short> bone_table;
bone_table.resize(triangles->bone_names.size());
for (size_t j = 0; j < bone_table.size(); j++) {
string bone_name = triangles->bone_names[j];
LOG_DEBUG("Bone Skin Table %d: %s\n", j, bone_name.c_str());
if (ogre_skeleton->hasBone(bone_name)) {
Ogre::Bone *mBone = ogre_skeleton->getBone(bone_name);
bone_table[j] = mBone->getHandle();
}
else {
LOG_DEBUG("Couldn't find %s in ogre skeleton!\n", bone_name.c_str());
}
}
// Add bone assignments to all the vertices that were found
for (size_t j = 0; j < vertex_indices.size(); j++) {
Ogre::VertexBoneAssignment vba;
vba.vertexIndex = vertex_indices[j];
EMDVertex *vertex = &submesh_vertices[vba.vertexIndex];
for (size_t k = 0; k < 4; k++) {
unsigned char bone_index = vertex->bone[3 - k];
float bone_weight = vertex->bone_weight[k];
if (bone_weight > 0.0f) {
vba.boneIndex = bone_table[bone_index];
vba.weight = bone_weight;
ogre_mesh->addBoneAssignment(vba);
}
}
}
}
// Apply changes, build the buffer
ogre_mesh->_compileBoneAssignments();
ogre_mesh->sharedVertexData->reorganiseBuffers(decl->getAutoOrganisedDeclaration(true, false, false));
}
}
//ogre_mesh->_setBounds(Ogre::AxisAlignedBox(mesh_aabb.start_x, mesh_aabb.start_y, mesh_aabb.start_z, mesh_aabb.end_x, mesh_aabb.end_y, mesh_aabb.end_z));
ogre_mesh->_setBounds(Ogre::AxisAlignedBox(-1000, -1000, -1000, 1000, 1000, 1000));
ogre_mesh->_setBoundingSphereRadius(mesh_aabb.sizeMax());
ogre_mesh->load();
free(vertices);
created_meshes.push_back(ogre_mesh_name);
}
void NPCCharacter::_actionLook(const Ogre::Vector3& target)
{
Ogre::Bone* headBone;
std::string n = _node->getName();
Ogre::Skeleton* skel = static_cast<Ogre::Entity*>(_movableObject)->getSkeleton();
headBone = skel->getBone("Bip01_Head");
headBone->setManuallyControlled(true);
headBone->setInheritOrientation(true);
int nAnim = skel->getNumAnimations();
//have to do this to allow the head to turn properly.
for(int i = 0; i < nAnim; ++i)
{
skel->getAnimation(i)->destroyNodeTrack(headBone->getHandle());
}
Ogre::Vector3 test = headBone->_getDerivedPosition() * CHARACTER_SCALE_FACTOR + _node->getPosition();
Ogre::Vector3 dir = target - test;
Ogre::Quaternion nodeRot,boneRot;
Ogre::Euler boneEuler; boneEuler.setDirection(dir,true,false);
/*boneRot = _node->convertLocalToWorldOrientation(_node->getOrientation()) * headBone->_getDerivedOrientation();
Ogre::Vector3 boneTest = boneRot * Ogre::Vector3::UNIT_Z;*/
//Ogre::Vector3 boneTest = headBone->getOrientation() * Ogre::Vector3::UNIT_Z;
//turns the direction vector into a 2D normalized vector on the X/Z axis.
dir.y = 0;
dir.normalise();
//All of this ray query stuff is to make sure that the AI can "see" the target before attempting to look at it.
Ogre::SceneManager* scene = _node->getCreator();
Ogre::Ray ray(headBone->_getDerivedPosition() * CHARACTER_SCALE_FACTOR + _node->getPosition(),dir);
Ogre::RaySceneQuery* query = scene->createRayQuery(ray);
query->setSortByDistance(true);
query->setQueryMask(CHARACTER_MASK | SCENERY_MASK);
Ogre::RaySceneQueryResult results = query->execute();
bool withinView = false;
if(results.size() == 0)
{
withinView = true;
}
else
{
if(results.begin()->movable->getParentNode()->getName() == getName())
{
if(results.size() == 1)
{
withinView = true;
}
}
if(!withinView && results.size() > 1 && std::next(results.begin())->distance > test.distance(target))
{
withinView = true;
}
}
scene->destroyQuery(query);
if(withinView)
{
Ogre::Euler node;
Ogre::Euler t = headOrientation.getRotationTo(dir);
t.limitYaw(Ogre::Radian(3.0));
t.limitPitch(Ogre::Radian(0.0));
headOrientation = headOrientation + t;
headOrientation.limitYaw(Ogre::Degree(100));
headOrientation.limitPitch(Ogre::Degree(60));
headBone->setOrientation(headOrientation);
/*headBone->rotate(boneTest.getRotationTo(dir),Ogre::Node::TS_WORLD);
Ogre::Quaternion boneRotation = _node->convertLocalToWorldOrientation(_node->getOrientation()) * headBone->_getDerivedOrientation() * (Ogre::Quaternion(Ogre::Degree(180),Ogre::Vector3::UNIT_Y));
Ogre::Quaternion nodeRotation = _node->_getDerivedOrientation();
Ogre::Quaternion diff = nodeRotation.Inverse() * boneRotation;*/
}
_isActFinished = true;
}
