BOOL GetPointColor(SPickQuery::SResult* R, u32& alpha)
{
CSurface* surf = R->e_mesh->GetSurfaceByFaceID(R->tag); VERIFY(surf);
Shader_xrLC* c_sh = EDevice.ShaderXRLC.Get(surf->_ShaderXRLCName());
if (!c_sh->flags.bRendering) return FALSE;
const Fvector2* cuv[3];
R->e_mesh->GetFaceTC (R->tag,cuv);
// barycentric coords
// note: W,U,V order
Fvector B;
B.set (1.0f - R->u - R->v,R->u,R->v);
// calc UV
Fvector2 uv;
uv.x = cuv[0]->x*B.x + cuv[1]->x*B.y + cuv[2]->x*B.z;
uv.y = cuv[0]->y*B.x + cuv[1]->y*B.y + cuv[2]->y*B.z;
int U = iFloor(uv.x*float(surf->m_ImageData->w) + .5f);
int V = iFloor(uv.y*float(surf->m_ImageData->h)+ .5f);
U %= surf->m_ImageData->w; if (U<0) U+=surf->m_ImageData->w;
V %= surf->m_ImageData->h; if (V<0) V+=surf->m_ImageData->h;
alpha = color_get_A(surf->m_ImageData->layers.back()[V*surf->m_ImageData->w+U]);
return TRUE;
}
bool ESceneAIMapTool::GenerateMap(bool bFromSelectedOnly)
{
std::sort(m_ignored_materials.begin(),m_ignored_materials.end());
bool bRes = false;
if (!GetSnapList()->empty()){
if (!RealUpdateSnapList()) return false;
if (m_Nodes.empty()){
ELog.DlgMsg(mtError,"Append at least one node.");
return false;
}
if (!m_Flags.is(flSlowCalculate)){
// evict resources
ExecCommand (COMMAND_EVICT_OBJECTS);
ExecCommand (COMMAND_EVICT_TEXTURES);
// prepare collision model
u32 avg_face_cnt = 0;
u32 avg_vert_cnt = 0;
u32 mesh_cnt = 0;
Fbox snap_bb;
{
snap_bb.invalidate ();
for (ObjectIt o_it=m_SnapObjects.begin(); o_it!=m_SnapObjects.end(); o_it++){
CSceneObject* S = dynamic_cast<CSceneObject*>(*o_it); VERIFY(S);
avg_face_cnt += S->GetFaceCount();
avg_vert_cnt += S->GetVertexCount();
mesh_cnt += S->Meshes()->size();
Fbox bb;
S->GetBox (bb);
snap_bb.merge (bb);
}
}
SPBItem* pb = UI->ProgressStart(mesh_cnt,"Prepare collision model...");
CDB::Collector* CL = ETOOLS::create_collector();
Fvector verts[3];
for (ObjectIt o_it=m_SnapObjects.begin(); o_it!=m_SnapObjects.end(); o_it++)
{
CSceneObject* S = dynamic_cast<CSceneObject*>(*o_it); VERIFY(S);
CEditableObject* E = S->GetReference(); VERIFY(E);
EditMeshVec& _meshes = E->Meshes();
for (EditMeshIt m_it=_meshes.begin(); m_it!=_meshes.end(); m_it++)
{
pb->Inc(AnsiString().sprintf("%s [%s]",S->Name,(*m_it)->Name().c_str()).c_str());
const SurfFaces& _sfaces = (*m_it)->GetSurfFaces();
for (SurfFaces::const_iterator sp_it=_sfaces.begin(); sp_it!=_sfaces.end(); sp_it++)
{
CSurface* surf = sp_it->first;
// test passable
//. SGameMtl* mtl = GMLib.GetMaterialByID(surf->_GameMtl());
//. if (mtl->Flags.is(SGameMtl::flPassable))continue;
Shader_xrLC* c_sh = Device.ShaderXRLC.Get(surf->_ShaderXRLCName());
if (!c_sh->flags.bCollision) continue;
// collect tris
const IntVec& face_lst = sp_it->second;
for (IntVec::const_iterator it=face_lst.begin(); it!=face_lst.end(); it++)
{
E->GetFaceWorld (S->_Transform(),*m_it,*it,verts);
ETOOLS::collector_add_face_d(CL,verts[0],verts[1],verts[2], surf->_GameMtl() /* *it */);
if (surf->m_Flags.is(CSurface::sf2Sided))
ETOOLS::collector_add_face_d(CL,verts[2],verts[1],verts[0], surf->_GameMtl() /* *it */);
}
}
}
}
UI->ProgressEnd(pb);
UI->SetStatus ("Building collision model...");
// create CFModel
m_CFModel = ETOOLS::create_model_cl(CL);
ETOOLS::destroy_collector(CL);
}
// building
Scene->lock ();
CTimer tm;
tm.Start();
BuildNodes (bFromSelectedOnly);
tm.GetElapsed_sec();
Scene->unlock ();
//. Log("-test time: ", g_tm.GetElapsed_sec());
Log("-building time: ",tm.GetElapsed_sec());
//. Msg("-Rate: %3.2f Count: %d",(g_tm.GetElapsed_sec()/tm.GetElapsed_sec())*100.f,g_tm.count);
// unload CFModel
ETOOLS::destroy_model(m_CFModel);
Scene->UndoSave ();
bRes = true;
UI->SetStatus ("");
}else{
ELog.DlgMsg(mtError,"Fill snap list before generating slots!");
}
return bRes;
}
BOOL ESceneAIMapTool::CreateNode(Fvector& vAt, SAINode& N, bool bIC)
{
// *** Query and cache polygons for ray-casting
Fvector PointUp; PointUp.set(vAt); PointUp.y += RCAST_Depth; SnapXZ (PointUp,m_Params.fPatchSize);
Fvector PointDown; PointDown.set(vAt); PointDown.y -= RCAST_Depth; SnapXZ (PointDown,m_Params.fPatchSize);
Fbox BB; BB.set (PointUp,PointUp); BB.grow(m_Params.fPatchSize/2); // box 1
Fbox B2; B2.set (PointDown,PointDown); B2.grow(m_Params.fPatchSize/2); // box 2
BB.merge (B2);
if (m_CFModel)
{
/*
for(u32 i=0; i<m_CFModel->get_tris_count(); ++i)
{
CDB::TRI* tri = (m_CFModel->get_tris()+i);
if(tri->material!=0)
Msg("non-default material");
}
*/
Scene->BoxQuery(PQ,BB,CDB::OPT_FULL_TEST,m_CFModel);
}else
Scene->BoxQuery(PQ,BB,CDB::OPT_FULL_TEST,GetSnapList());
DWORD dwCount = PQ.r_count();
if (dwCount==0){
// Log("chasm1");
return FALSE; // chasm?
}
// *** Transfer triangles and compute sector
// R_ASSERT(dwCount<RCAST_MaxTris);
static xr_vector<tri> tris; tris.reserve(RCAST_MaxTris); tris.clear();
for (DWORD i=0; i<dwCount; i++)
{
SPickQuery::SResult* R = PQ.r_begin()+i;
if (R->e_obj&&R->e_mesh)
{
CSurface* surf = R->e_mesh->GetSurfaceByFaceID(R->tag);
//. SGameMtl* mtl = GMLib.GetMaterialByID(surf->_GameMtl());
//. if (mtl->Flags.is(SGameMtl::flPassable))continue;
Shader_xrLC* c_sh = Device.ShaderXRLC.Get(surf->_ShaderXRLCName());
if (!c_sh->flags.bCollision) continue;
}
/*
if(m_CFModel)
{
u16 mtl_id = R->material;
if(std::find(m_ignored_materials.begin(), m_ignored_materials.end(), mtl_id) != m_ignored_materials.end() )
{
//. Msg("--ignore");
continue;
}
}
*/
tris.push_back (tri());
tri& D = tris.back();
Fvector* V = R->verts;
D.v[0] = &V[0];
D.v[1] = &V[1];
D.v[2] = &V[2];
D.N.mknormal(*D.v[0],*D.v[1],*D.v[2]);
if (D.N.y<=0) tris.pop_back ();
}
if (tris.size()==0){
// Log("chasm2");
return FALSE; // chasm?
}
static xr_vector<Fvector> points; points.reserve(RCAST_Total); points.clear();
static xr_vector<Fvector> normals; normals.reserve(RCAST_Total);normals.clear();
Fvector P,D; D.set(0,-1,0);
float coeff = 0.5f*m_Params.fPatchSize/float(RCAST_Count);
for (int x=-RCAST_Count; x<=RCAST_Count; x++)
{
P.x = vAt.x + coeff*float(x);
for (int z=-RCAST_Count; z<=RCAST_Count; z++) {
P.z = vAt.z + coeff*float(z);
P.y = vAt.y + 10.f;
float tri_min_range = flt_max;
int tri_selected = -1;
float range,u,v;
for (i=0; i<DWORD(tris.size()); i++){
if (ETOOLS::TestRayTriA(P,D,tris[i].v,u,v,range,false)){
if (range<tri_min_range){
tri_min_range = range;
tri_selected = i;
}
}
}
if (tri_selected>=0) {
P.y -= tri_min_range;
points.push_back(P);
normals.push_back(tris[tri_selected].N);
}
}
}
if (points.size()<3) {
// Msg ("Failed to create node at [%f,%f,%f].",vAt.x,vAt.y,vAt.z);
return FALSE;
}
//.
float rc_lim = bIC?0.015f:0.7f;
if (float(points.size())/float(RCAST_Total) < rc_lim) {
// Msg ("Partial chasm at [%f,%f,%f].",vAt.x,vAt.y,vAt.z);
return FALSE;
}
// *** Calc normal
Fvector vNorm;
vNorm.set(0,0,0);
for (DWORD n=0; n<normals.size(); n++)
vNorm.add(normals[n]);
vNorm.div(float(normals.size()));
vNorm.normalize();
/*
{
// second algorithm (Magic)
Fvector N,O;
N.set(vNorm);
O.set(points[0]);
Mgc::OrthogonalPlaneFit(
points.size(),(Mgc::Vector3*)points.begin(),
*((Mgc::Vector3*)&O),
*((Mgc::Vector3*)&N)
);
if (N.y<0) N.invert();
N.normalize();
vNorm.lerp(vNorm,N,.3f);
vNorm.normalize();
}
*/
// *** Align plane
Fvector vOffs;
vOffs.set(0,-1000,0);
Fplane PL; PL.build(vOffs,vNorm);
for (DWORD p=0; p<points.size(); p++)
{
float dist = PL.classify(points[p]);
if (dist>0) {
vOffs = points[p];
PL.build(vOffs,vNorm);
}
}
// *** Create node and register it
N.Plane.build (vOffs,vNorm); // build plane
D.set (0,1,0);
N.Plane.intersectRayPoint(PointDown,D,N.Pos); // "project" position
// *** Validate results
vNorm.set(0,1,0);
if (vNorm.dotproduct(N.Plane.n)<_cos(deg2rad(60.f))) return FALSE;
float y_old = vAt.y;
float y_new = N.Pos.y;
if (y_old>y_new) {
// down
if (y_old-y_new > m_Params.fCanDOWN ) return FALSE;
} else {
// up
if (y_new-y_old > m_Params.fCanUP ) return FALSE;
}
// *** Validate plane
{
Fvector PLP; D.set(0,-1,0);
int num_successed_rays = 0;
for (int x=-RCAST_Count; x<=RCAST_Count; x++)
{
P.x = N.Pos.x + coeff*float(x);
for (int z=-RCAST_Count; z<=RCAST_Count; z++) {
P.z = N.Pos.z + coeff*float(z);
P.y = N.Pos.y;
N.Plane.intersectRayPoint(P,D,PLP); // "project" position
P.y = PLP.y+RCAST_VALID*0.01f;
float tri_min_range = flt_max;
int tri_selected = -1;
float range,u,v;
for (i=0; i<tris.size(); i++){
if (ETOOLS::TestRayTriA(P,D,tris[i].v,u,v,range,false)){
if (range<tri_min_range){
tri_min_range = range;
tri_selected = i;
}
}
}
if (tri_selected>=0){
if (tri_min_range<RCAST_VALID) num_successed_rays++;
}
}
}
float perc = float(num_successed_rays)/float(RCAST_Total);
//. if (!bIC&&(perc < 0.5f)){
float perc_lim = bIC?0.015f:0.5f;
if (perc < perc_lim){
// Msg ("Floating node.");
return FALSE;
}
}
// *** Mask check
// ???
return TRUE;
}