Attach.vsl

////////////////////////
// Description : Edit by ghomist

extern bool IfKeepOrigin;

void attachEnt(Entity3D ent1,Entity3D ent2)
{
	Vector pos,newPos;
	Vector pos1,pos2;
	ent1.GetPosition(pos1,null);
	ent2.GetPosition(pos2,null);
	
	Mesh m1 = ent1.GetCurrentMesh();
	Mesh m2 = ent2.GetCurrentMesh();
	
	int vCount1 = m1.GetVertexCount();
	int vCount2 = m2.GetVertexCount();
	int newCount = vCount1 + vCount2;
	
	m1.SetVertexCount(newCount);
	float u,v;
	for (int i=0; i<vCount2; i++) {
		m2.GetVertexPosition(i,pos);
		newPos = -pos + pos1 - pos2;
		m1.SetVertexPosition(i+vCount1,-newPos);
		
		m2.GetVertexNormal(i,pos);
		newPos = pos;
		m1.SetVertexNormal(i+vCount1,newPos);
		
		m2.GetVertexTextureCoordinates(i,u,v,-1);
		m1.SetVertexTextureCoordinates(i+vCount1,u,v,-1);
	}
	
	int fCount1 = m1.GetFaceCount();
	int fCount2 = m2.GetFaceCount();
	int newfCount = fCount1 + fCount2;
	
	m1.SetFaceCount(newfCount);
	
	int v1,v2,v3;
	
	for (int i=0; i<fCount2; i++) {
		m2.GetFaceVertexIndex(i,v1,v2,v3);
		m1.SetFaceVertexIndex(i+fCount1,v1+vCount1,v2+vCount1,v3+vCount1);
		m1.SetLitMode(m2.GetLitMode());//	
		m1.SetFaceMaterial(i+fCount1, m2.GetFaceMaterial(i));
	}
}

void axisReset(Entity3D ent)
{
	Vector pos;
	Vector posNew;
	Vector entPos;
	Vector entPosNew;
	
	Vector vMax(0,0,0);
	Vector vMin(0,0,0);
	Vector vCenter(0,0,0);
	
	Vector z(0,0,1);
	Vector up(0,1,0),right(1,0,0);
	
	Matrix mat;
	
	ent.GetPosition(entPos,null);
	
	Mesh m = ent.GetCurrentMesh();
	int vCount = m.GetVertexCount();
	
	m.GetVertexPosition(0,vMax);
	m.GetVertexPosition(0,vMin);
	
	for (int index=0; index<vCount; index++){
		m.GetVertexPosition(index,pos);
		if (pos.x > vMax.x) vMax.x = pos.x;
		if (pos.y > vMax.y) vMax.y = pos.y;
		if (pos.z > vMax.z) vMax.z = pos.z;
		if (pos.x < vMin.x) vMin.x = pos.x;
		if (pos.y < vMin.y) vMin.y = pos.y;
		if (pos.z < vMin.z) vMin.z = pos.z;
	}
		
	vCenter = (vMax + vMin)/2;
	
	for (int index=0; index<vCount; index++){
		m.GetVertexPosition(index,pos);
		posNew = pos - vCenter;
		m.SetVertexPosition(index,posNew);
	}
	entPosNew = entPos + vCenter;
	ent.SetPosition(entPosNew,null,false);
	
	mat = ent.GetLocalMatrix();
	for (int index=0; index<vCount; index++){
		m.GetVertexPosition(index,pos);
		pos.Rotate(mat);
		m.SetVertexPosition(index,pos);
		
		m.GetVertexNormal(index,pos);
		pos.Rotate(mat);
		m.SetVertexNormal(index,pos);
	}
	
	ent.SetOrientation(z,up,right,null,false);
}

void main()
{
	Entity3D firstEnt;
	
	bool first = true;
	
	int count = ac.selection.Size();
	for (int i=0; i<count; ++i) {
		Entity3D ent = Entity3D.Cast(ac.selection[i]);
		if (!ent) continue;	
		
		if (IfKeepOrigin) ent = Entity3D.Cast(ac.Copy(ent,false,true));	
		
		if (first) {
			firstEnt = ent;
			axisReset(firstEnt);
			first = false;
		} else {
			axisReset(ent);
			attachEnt(firstEnt,ent);
			ac.DestroyObject(ent,false);
		}
	}
}