bool gkBlenderMeshConverter::convert(void)
{
if (!m_bmesh->mvert)
return false;
if (m_bmesh->mface)
convert_legacy();
#ifdef BMESH
else if(m_bmesh->mpoly)
convert_bmesh();
#endif
else
return false;
AssignmentListMap assignMap;
bool canAssign = m_bmesh->dvert && m_bobj->parent && m_bobj->parent->type == OB_ARMATURE;
if (canAssign)
{
int dgi = 0;
for (Blender::bDeformGroup* dg = (Blender::bDeformGroup*)m_bobj->defbase.first; dg; dg = dg->next, ++dgi)
{
m_gmesh->createVertexGroup(dg->name);
convertBoneAssignments(dgi, assignMap);
}
}
// build materials
utArrayIterator<utArray<gkMeshPair> > iter(m_meshtable);
while (iter.hasMoreElements())
{
gkMeshHashKey& key = iter.peekNext().test;
gkSubMesh* val = iter.peekNext().item;
Blender::Material* bmat = BlenderMaterial(m_bobj, key.m_matnr);
if (key.m_blenderMat)
{
if (bmat)
convertMaterial(bmat, val->getMaterial(), key);
}
else
convertTextureFace(val->getMaterial(), key, (Blender::Image**)key.m_images);
if (canAssign)
{
// build def groups
assignBoneAssignments(val, assignMap);
}
iter.getNext();
}
return true;
}
void gkBlenderSceneConverter::convertObjectParticles(gkGameObject* gobj, Blender::Object* bobj)
{
#ifdef OGREKIT_USE_PARTICLE
for (Blender::ParticleSystem* ps = (Blender::ParticleSystem*)bobj->particlesystem.first; ps; ps = ps->next)
{
gkString name = ps->name;
gkString pname = GKB_IDNAME(ps->part);
gkParticleResource* resource = gkParticleManager::getSingleton().getByName<gkParticleResource>(gkResourceName(pname, m_groupName));
if (!resource)
continue;
gkGameObjectProperties& gprops = gobj->getProperties();
gkParticleObject* pobj = m_gscene->createParticleObject(gkUtils::getUniqueName(name));
if (pobj)
{
pobj->setActiveLayer(gobj->isInActiveLayer());
pobj->setLayer(gobj->getLayer());
gkParticleSettingsProperties& sprops = resource->getParticleProperties();
gkParticleSystemProperties& props = pobj->getParticleProperties();
gprops.m_particleObjs.push_back(pobj->getName());
props.m_name = name;
props.m_seed = ps->seed;
props.m_settings = pname;
gkGameObjectProperties& gparticleprops = pobj->getProperties();
gparticleprops.m_parent = gobj->getName();
gparticleprops.m_transform = gobj->getProperties().m_transform;
props.m_material = "<gkBuiltin/Halo>";
if (!sprops.m_drawEmitter)
gobj->getProperties().m_mode |= GK_INVISIBLE;
Blender::Material* ma = BlenderMaterial(bobj, sprops.m_material);
if (ma)
{
props.m_material = GKB_IDNAME(ma);
}
gkEntity* entity = gobj->getEntity();
if (entity)
{
props.m_mesh = entity->getMesh();
//pobj->setMaterialName(entity->getMesh()->getFirstMaterial().m_name);
}
}
}
#endif
}
void gkBlenderSceneConverter::convertObjectMesh(gkGameObject* gobj, Blender::Object* bobj)
{
GK_ASSERT(gobj->getType() == GK_ENTITY && bobj->data);
gkEntity* obj = static_cast<gkEntity*>(gobj);
gkEntityProperties& props = obj->getEntityProperties();
Blender::Mesh* me = (Blender::Mesh*)bobj->data;
// this is shared for faster conversion times
// and better efficiency
if (!m_gscene->hasMesh(GKB_IDNAME(me)))
{
props.m_mesh = m_gscene->createMesh(GKB_IDNAME(me));
gkBlenderMeshConverter meconv(props.m_mesh, bobj, me);
meconv.convert();
}
else
props.m_mesh = m_gscene->getMesh(GKB_IDNAME(me));
props.m_casts = gobj->getProperties().m_physics.isRigidOrDynamic() || !gobj->getProperties().isPhysicsObject();
Blender::Material* matr = BlenderMaterial(bobj, 0);
if (matr)
props.m_casts = (matr->mode & MA_SHADBUF) != 0;
// if it has an action save the initial pose / animation name
if (bobj->parent)
{
Blender::Object* par = bobj->parent;
Blender::bAction* act = par->action;
if (!act && par->proxy_from)
act = par->proxy_from->action;
if (act) props.m_startPose = (GKB_IDNAME(act));
}
}
void gkBlenderSceneConverter::convertObjectPhysics(gkGameObject* gobj, Blender::Object* bobj)
{
gkGameObjectProperties& props = gobj->getProperties();
gkPhysicsProperties& phy = props.m_physics;
int boundtype;
int version = m_file->_getInternalFile()->getVersion();
if ((bobj->gameflag & OB_COLLISION) && bobj->body_type==GK_NO_COLLISION)
phy.m_type = GK_STATIC;
else
{
phy.m_type = GK_STATIC;
switch (bobj->body_type)
{
case OB_BODY_TYPE_CHARACTER: phy.m_type = GK_CHARACTER; break;
case OB_BODY_TYPE_RIGID: phy.m_type = GK_RIGID; break;
case OB_BODY_TYPE_DYNAMIC: phy.m_type = GK_DYNAMIC; break;
case OB_BODY_TYPE_NO_COLLISION: phy.m_type = GK_NO_COLLISION; break;
case OB_BODY_TYPE_SENSOR : phy.m_type = GK_SENSOR; break;
case OB_BODY_TYPE_NAVMESH : phy.m_type = GK_NAVMESH; break;
}
}
if (bobj->type != OB_MESH)
{
if (!(bobj->gameflag & OB_ACTOR))
phy.m_type = GK_NO_COLLISION;
}
Blender::Object* parent = bobj->parent;
while (parent && parent->parent)
parent = parent->parent;
if (parent && (bobj->gameflag & OB_CHILD) == 0)
phy.m_type = GK_NO_COLLISION;
if (!props.isPhysicsObject())
return;
if (bobj->gameflag & OB_ACTOR)
{
props.m_mode |= GK_ACTOR;
phy.m_mode |= GK_CONTACT;
}
if (bobj->gameflag & OB_GHOST)
props.m_mode |= GK_GHOST;
if (bobj->gameflag & OB_OCCLUDER)
props.m_mode |= GK_OCCLUDER;
if (bobj->gameflag & OB_CHILD) phy.m_mode |= parent ? GK_COMPOUND_CHILD : GK_COMPOUND;
if (bobj->gameflag & OB_COLLISION_RESPONSE) phy.m_mode |= GK_NO_SLEEP;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_X_AXIS) phy.m_mode |= GK_LOCK_LINV_X;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Y_AXIS) phy.m_mode |= GK_LOCK_LINV_Y;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Z_AXIS) phy.m_mode |= GK_LOCK_LINV_Z;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_X_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_X;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Y_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_Y;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Z_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_Z;
phy.m_minVel = bobj->min_vel;
phy.m_maxVel = bobj->max_vel;
phy.m_cpt = bobj->m_contactProcessingThreshold;
phy.m_linearDamp = bobj->damping;
phy.m_angularDamp = bobj->rdamping;
phy.m_mass = bobj->mass;
phy.m_radius = bobj->inertia;
phy.m_formFactor = bobj->formfactor;
phy.m_margin = bobj->margin;
if (bobj->col_group>0 && bobj->col_mask>0) {
phy.m_colGroupMask = bobj->col_group;
phy.m_colMask = bobj->col_mask;
phy.m_charStepHeight = bobj->step_height;
phy.m_charJumpSpeed = bobj->jump_speed;
phy.m_charFallSpeed = bobj->fall_speed;
}
if (gobj->hasVariable("gk_collisionmask")){
phy.m_colMask = gobj->getVariable("gk_collisionmask")->getValueInt();
}
if (gobj->hasVariable("gk_collisiongroup")){
phy.m_colGroupMask = gobj->getVariable("gk_collisiongroup")->getValueInt();
}
if (bobj->type == OB_MESH)
{
Blender::Mesh* me = (Blender::Mesh*)bobj->data;
if (me)
{
Blender::Material* ma = BlenderMaterial(bobj, 0);
if (ma)
{
phy.m_restitution = ma->reflect;
phy.m_friction = ma->friction;
}
}
}
if (version<=260)
boundtype = bobj->boundtype;
else
boundtype = bobj->collision_boundtype;
if (!(bobj->gameflag & OB_BOUNDS))
if (bobj->body_type == OB_BODY_TYPE_STATIC)
boundtype = OB_BOUND_TRIANGLE_MESH;
else
boundtype = OB_BOUND_BOX;
switch (boundtype)
{
case OB_BOUND_BOX:
phy.m_shape = SH_BOX;
break;
case OB_BOUND_SPHERE:
phy.m_shape = SH_SPHERE;
break;
case OB_BOUND_CONE:
phy.m_shape = SH_CONE;
break;
case OB_BOUND_CYLINDER:
phy.m_shape = SH_CYLINDER;
break;
case OB_BOUND_CONVEX_HULL:
phy.m_shape = SH_CONVEX_TRIMESH;
break;
case OB_BOUND_TRIANGLE_MESH:
if (bobj->type == OB_MESH)
{
if (phy.isRigidOrDynamic())
phy.m_shape = SH_GIMPACT_MESH;
else
phy.m_shape = SH_BVH_MESH;
}
else
phy.m_shape = SH_SPHERE;
break;
case OB_BOUND_CAPSULE:
phy.m_shape = SH_CAPSULE;
break;
}
// setup velocity constraints
if (phy.isRigidOrDynamic())
{
if (phy.m_minVel > 0.f || phy.m_maxVel > 0.f)
{
gkLimitVelocityConstraint* vc = new gkLimitVelocityConstraint();
vc->setLimit(gkVector2(phy.m_minVel, phy.m_maxVel));
m_gscene->getConstraintManager()->addConstraint(gobj, vc);
}
}
}
void gkBlenderSceneConverter::convertObjectPhysics(gkGameObject* gobj, Blender::Object* bobj)
{
gkGameObjectProperties& props = gobj->getProperties();
gkPhysicsProperties& phy = props.m_physics;
phy.m_type = GK_STATIC;
switch (bobj->body_type)
{
case OB_BODY_TYPE_RIGID: phy.m_type = GK_RIGID; break;
case OB_BODY_TYPE_DYNAMIC: phy.m_type = GK_DYNAMIC; break;
case OB_BODY_TYPE_NO_COLLISION: phy.m_type = GK_NO_COLLISION; break;
}
if (bobj->type != OB_MESH)
{
if (!(bobj->gameflag & OB_ACTOR))
phy.m_type = GK_NO_COLLISION;
}
Blender::Object* parent = bobj->parent;
while (parent && parent->parent)
parent = parent->parent;
if (parent && (bobj->gameflag & OB_CHILD) == 0)
phy.m_type = GK_NO_COLLISION;
if (!props.isPhysicsObject())
return;
if (bobj->gameflag & OB_ACTOR)
{
props.m_mode |= GK_ACTOR;
phy.m_mode |= GK_CONTACT;
}
if (bobj->gameflag & OB_GHOST)
props.m_mode |= GK_GHOST;
if (bobj->gameflag & OB_OCCLUDER)
props.m_mode |= GK_OCCLUDER;
if (bobj->gameflag & OB_CHILD) phy.m_mode |= parent ? GK_COMPOUND_CHILD : GK_COMPOUND;
if (bobj->gameflag & OB_COLLISION_RESPONSE) phy.m_mode |= GK_NO_SLEEP;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_X_AXIS) phy.m_mode |= GK_LOCK_LINV_X;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Y_AXIS) phy.m_mode |= GK_LOCK_LINV_Y;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Z_AXIS) phy.m_mode |= GK_LOCK_LINV_Z;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_X_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_X;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Y_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_Y;
if (bobj->gameflag2 & OB_LOCK_RIGID_BODY_Z_ROT_AXIS) phy.m_mode |= GK_LOCK_ANGV_Z;
phy.m_minVel = bobj->min_vel;
phy.m_maxVel = bobj->max_vel;
phy.m_cpt = bobj->m_contactProcessingThreshold;
phy.m_linearDamp = bobj->damping;
phy.m_angularDamp = bobj->rdamping;
phy.m_mass = bobj->mass;
phy.m_radius = bobj->inertia;
phy.m_formFactor = bobj->formfactor;
phy.m_margin = bobj->margin;
if (bobj->type == OB_MESH)
{
Blender::Mesh* me = (Blender::Mesh*)bobj->data;
if (me)
{
Blender::Material* ma = BlenderMaterial(bobj, 0);
if (ma)
{
phy.m_restitution = ma->reflect;
phy.m_friction = ma->friction;
}
}
}
if (phy.isRigidOrDynamic())
{
switch (bobj->boundtype)
{
case OB_BOUND_BOX:
phy.m_shape = SH_BOX;
break;
case OB_BOUND_SPHERE:
phy.m_shape = SH_SPHERE;
break;
case OB_BOUND_CONE:
phy.m_shape = SH_CONE;
break;
case OB_BOUND_CYLINDER:
phy.m_shape = SH_CYLINDER;
break;
case OB_BOUND_POLYT:
phy.m_shape = SH_CONVEX_TRIMESH;
break;
case OB_BOUND_POLYH:
case OB_BOUND_DYN_MESH:
phy.m_shape = SH_GIMPACT_MESH;
break;
}
}
else
{
if (bobj->type == OB_MESH)
phy.m_shape = SH_BVH_MESH;
else
phy.m_shape = SH_SPHERE;
}
// setup velocity constraints
if (phy.isRigidOrDynamic())
{
if (phy.m_minVel > 0.f || phy.m_maxVel > 0.f)
{
gkLimitVelocityConstraint* vc = new gkLimitVelocityConstraint();
vc->setLimit(gkVector2(phy.m_minVel, phy.m_maxVel));
m_gscene->getConstraintManager()->addConstraint(gobj, vc);
}
}
}
void gkBlenderMeshConverter::convert(void)
{
Blender::MFace* mface = m_bmesh->mface;
Blender::MVert* mvert = m_bmesh->mvert;
Blender::MCol* mcol = 0;
Blender::MTFace* mtface[8] = {0, 0, 0, 0, 0, 0, 0, 0};
if (!mface || !mvert)
return;
Blender::MVert vpak[4];
unsigned int cpak[4];
unsigned int ipak[4];
int totlayer;
gkSubMesh* curSubMesh = 0;
utArray<gkMeshPair> meshtable;
gkLoaderUtils_getLayers(m_bmesh, mtface, &mcol, totlayer);
bool sortByMat = gkEngine::getSingleton().getUserDefs().blendermat;
bool openglVertexColor = gkEngine::getSingleton().getUserDefs().rendersystem == OGRE_RS_GL;
AssignmentListMap assignMap;
bool canAssign = m_bmesh->dvert && m_bobj->parent && m_bobj->parent->type == OB_ARMATURE;
if (canAssign)
{
int dgi = 0;
for (Blender::bDeformGroup* dg = (Blender::bDeformGroup*)m_bobj->defbase.first; dg; dg = dg->next, ++dgi)
{
m_gmesh->createVertexGroup(dg->name);
convertBoneAssignments(dgi, assignMap);
}
}
for (int fi = 0; fi < m_bmesh->totface; fi++)
{
const Blender::MFace& curface = mface[fi];
// skip if face is not a triangle || quad
if (!curface.v3)
continue;
const bool isQuad = curface.v4 != 0;
TempFace t[2];
PackedFace f;
f.totlay = totlayer;
if (isQuad)
{
vpak[0] = mvert[curface.v1];
vpak[1] = mvert[curface.v2];
vpak[2] = mvert[curface.v3];
vpak[3] = mvert[curface.v4];
ipak[0] = curface.v1;
ipak[1] = curface.v2;
ipak[2] = curface.v3;
ipak[3] = curface.v4;
if (mcol != 0)
{
cpak[0] = packColour(mcol[0], openglVertexColor);
cpak[1] = packColour(mcol[1], openglVertexColor);
cpak[2] = packColour(mcol[2], openglVertexColor);
cpak[3] = packColour(mcol[3], openglVertexColor);
}
else
cpak[0] = cpak[1] = cpak[2] = cpak[3] = 0xFFFFFFFF;
for (int i = 0; i < totlayer; i++)
{
if (mtface[i] != 0)
{
f.uvLayers[i][0] = gkVector2((float*)mtface[i][fi].uv[0]);
f.uvLayers[i][1] = gkVector2((float*)mtface[i][fi].uv[1]);
f.uvLayers[i][2] = gkVector2((float*)mtface[i][fi].uv[2]);
f.uvLayers[i][3] = gkVector2((float*)mtface[i][fi].uv[3]);
}
}
f.verts = vpak;
f.index = ipak;
f.colors = cpak;
gkVector3 e0, e1;
e0 = (gkVector3(mvert[curface.v1].co) - gkVector3(mvert[curface.v2].co));
e1 = (gkVector3(mvert[curface.v3].co) - gkVector3(mvert[curface.v4].co));
if (e0.squaredLength() < e1.squaredLength())
{
convertIndexedTriangle(&t[0], 0, 1, 2, f);
convertIndexedTriangle(&t[1], 2, 3, 0, f);
}
else
{
convertIndexedTriangle(&t[0], 0, 1, 3, f);
convertIndexedTriangle(&t[1], 3, 1, 2, f);
}
}
else
{
for (int i = 0; i < totlayer; i++)
{
if (mtface[i] != 0)
{
f.uvLayers[i][0] = gkVector2((float*)mtface[i][fi].uv[0]);
f.uvLayers[i][1] = gkVector2((float*)mtface[i][fi].uv[1]);
f.uvLayers[i][2] = gkVector2((float*)mtface[i][fi].uv[2]);
}
}
vpak[0] = mvert[curface.v1];
vpak[1] = mvert[curface.v2];
vpak[2] = mvert[curface.v3];
ipak[0] = curface.v1;
ipak[1] = curface.v2;
ipak[2] = curface.v3;
if (mcol != 0)
{
cpak[0] = packColour(mcol[0], openglVertexColor);
cpak[1] = packColour(mcol[1], openglVertexColor);
cpak[2] = packColour(mcol[2], openglVertexColor);
}
else
cpak[0] = cpak[1] = cpak[2] = cpak[3] = 0xFFFFFFFF;
f.verts = vpak;
f.index = ipak;
f.colors = cpak;
convertIndexedTriangle(&t[0], 0, 1, 2, f);
}
gkMeshPair tester(curSubMesh);
if (sortByMat)
{
int mode = 0;
if (mtface[0])
mode = mtface[0][fi].mode;
tester.test = gkMeshHashKey(curface.mat_nr, mode);
}
else
{
Blender::Image* ima[8] = {0, 0, 0, 0, 0, 0, 0, 0};
for (int i = 0; i < totlayer; i++)
{
if (mtface[i] != 0)
ima[i] = mtface[i][fi].tpage;
}
int mode = 0, alpha = 0;
if (mtface[0])
{
mode = mtface[0][fi].mode;
alpha = mtface[0][fi].transp;
}
tester.test = gkMeshHashKey(mode, alpha, ima);
}
// find submesh
UTsize arpos = 0;
if ((arpos = meshtable.find(tester)) == UT_NPOS)
{
curSubMesh = new gkSubMesh();
curSubMesh->setTotalLayers(totlayer);
curSubMesh->setVertexColors(mcol != 0);
m_gmesh->addSubMesh(curSubMesh);
tester.item = curSubMesh;
meshtable.push_back(tester);
}
else
curSubMesh = meshtable.at(arpos).item;
if (curSubMesh == 0) continue;
if (!(curface.flag & ME_SMOOTH))
{
// face normal
calcNormal(&t[0]);
if (isQuad)
t[1].v0.no = t[1].v1.no = t[1].v2.no = t[0].v0.no;
}
int triflag = 0;
if (mtface[0])
{
if (mtface[0][fi].mode & TF_DYNAMIC)
triflag |= gkTriangle::TRI_COLLIDER;
if (mtface[0][fi].mode & TF_INVISIBLE)
triflag |= gkTriangle::TRI_INVISIBLE;
}
else
triflag = gkTriangle::TRI_COLLIDER;
curSubMesh->addTriangle(t[0].v0, t[0].i0,
t[0].v1, t[0].i1,
t[0].v2, t[0].i2, triflag);
if (isQuad)
{
curSubMesh->addTriangle(t[1].v0, t[1].i0,
t[1].v1, t[1].i1,
t[1].v2, t[1].i2, triflag);
}
if (mcol)
mcol += 4;
}
// build materials
utArrayIterator<utArray<gkMeshPair> > iter(meshtable);
while (iter.hasMoreElements())
{
gkMeshHashKey& key = iter.peekNext().test;
gkSubMesh* val = iter.peekNext().item;
Blender::Material* bmat = BlenderMaterial(m_bobj, key.m_matnr);
if (key.m_blenderMat)
{
if (bmat)
convertMaterial(bmat, val->getMaterial(), key);
}
else
convertTextureFace(val->getMaterial(), key, (Blender::Image**)key.m_images);
if (canAssign)
{
// build def groups
assignBoneAssignments(val, assignMap);
}
iter.getNext();
}
}