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#define EXTERN extern |
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#include "pcwin.h" |
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#include "pcmod.h" |
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#include "field.h" |
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#include "atom_k.h" |
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#include "draw.h" |
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|
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EXTERN struct t_minim_values { |
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int iprint, ndc, nconst; |
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float dielc; |
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} minim_values; |
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EXTERN struct t_minim_control { |
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int type, method, field, added_const; |
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char added_path[256],added_name[256]; |
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} minim_control; |
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|
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EXTERN struct { |
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int mm3, mmff, amber, opls; |
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} AtomTypes[]; |
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|
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EXTERN struct ElementType { char symbol[3]; |
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int atomnum; |
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float weight, covradius, vdwradius; |
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int s,p,d,f, type; |
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} Elements[]; |
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|
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EXTERN int mm3_mmx[], mmff_mmx[]; |
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// =============================================== |
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void set_atomdata(int ia, int mmxtype, int mm3type, int mmfftype) |
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{ |
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int type; |
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|
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if (mmxtype > 0) |
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atom[ia].mmx_type = mmxtype; |
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if (mm3type > 0) |
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atom[ia].mm3_type = mm3type; |
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if (mmfftype > 0) |
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atom[ia].mmff_type = mmfftype; |
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|
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if (field.type == MMX || field.type == MM2) |
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{ |
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type = mmxtype; |
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} else if (field.type == MM3) |
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{ |
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type = mm3type; |
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} else if (field.type == MMFF94) |
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{ |
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type = mmfftype; |
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} |
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if ( type < 300) |
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{ |
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atom[ia].tclass = atom_k.tclass[type]; |
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atom[ia].atomnum = atom_k.number[type]; |
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atom[ia].atomwt = atom_k.weight[type]; |
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strcpy(atom[ia].name, atom_k.symbol[type]); |
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} |
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} |
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// =============================================== |
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void set_atomtype(int ia, int mmxtype, int mm3type, int mmfftype) |
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{ |
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if (mmxtype > 0) |
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atom[ia].mmx_type = mmxtype; |
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if (mm3type > 0) |
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atom[ia].mm3_type = mm3type; |
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if (mmfftype > 0) |
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atom[ia].mmff_type = mmfftype; |
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} |
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// ====================================================== |
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int make_atom(int type, float x, float y, float z,char *name) |
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{ |
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int i,iz; |
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int mmxtype, mm3type, mmfftype; |
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|
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natom++; |
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if (natom >= MAXATOM - 10) |
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{ |
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natom--; |
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message_alert("Max atoms exceeded in makeatom","PCMODEL Error"); |
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return -1; |
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} |
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iz = strlen(name); |
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if (iz > 0) // got an atom name use it |
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{ |
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for (i=1; i <= atom_k.natomtype; i++) |
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{ |
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if (strcmp(name,atom_k.symbol[i]) == 0) // names match |
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{ |
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strcpy(atom[natom].name,name); |
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atom[natom].tclass = atom_k.tclass[i]; |
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atom[natom].atomwt = atom_k.weight[i]; |
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atom[natom].atomnum = atom_k.number[i]; |
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atom[natom].type = atom_k.type[i]; |
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if (type == 0) |
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{ |
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type = atom[natom].type; // this is an mmff type |
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mmxtype = mmff_mmxtype(type); |
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mm3type = 0; |
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mmfftype = type; |
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set_atomtype(natom,mmxtype,mm3type,mmfftype); |
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if (mmfftype == 0) return -1; |
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} else if (field.type == MMX || field.type == MM2) |
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{ |
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atom[natom].mmx_type = type; |
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mmxtype = type; |
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mm3type = AtomTypes[type-1].mm3; |
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mmfftype = AtomTypes[type-1].mmff; |
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set_atomtype(natom,mmxtype,mm3type,mmfftype); |
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} else if (field.type == MM3) |
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{ |
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atom[natom].mm3_type = type; |
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mmxtype = mm3_mmxtype(type); |
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mm3type = type; |
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mmfftype = AtomTypes[mmxtype-1].mmff; |
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set_atomtype(natom,mmxtype,mm3type,mmfftype); |
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} else if (field.type == MMFF94) |
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{ |
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atom[natom].mmff_type = type; |
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mmxtype = mmff_mmxtype(type); |
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mm3type = AtomTypes[mmxtype-1].mm3; |
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mmfftype = type; |
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set_atomtype(natom,mmxtype,mm3type,mmfftype); |
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} |
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|
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atom[natom].x = x; atom[natom].y = y; atom[natom].z = z; |
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atom[natom].flags = 0; |
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return natom; |
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} |
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} |
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for( i = 0; i < 103; i++ ) |
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{ |
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if( strcasecmp(Elements[i].symbol,name) == 0 ) |
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{ |
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strcpy(atom[natom].name,Elements[i].symbol); |
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atom[natom].atomwt = Elements[i].weight; |
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atom[natom].atomnum = Elements[i].atomnum; |
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atom[natom].type = Elements[i].type; // set generic type |
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atom[natom].tclass = Elements[i].type; // set generic type |
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atom[natom].mmx_type = Elements[i].type; // set generic type |
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if (type > 0) |
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{ |
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atom[natom].type = type; // overwrite type if type is passed in |
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if (field.type == MMX || field.type == MM2) |
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atom[natom].mmx_type = type; |
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else if (field.type == MM3) |
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atom[natom].mm3_type = type; |
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else if (field.type == MMFF94) |
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atom[natom].mmff_type = type; |
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} |
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if (type != 0) atom[natom].type = type; |
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atom[natom].x = x; atom[natom].y = y; atom[natom].z = z; |
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if (type > 299) |
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return -1; |
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else if (atom[natom].mmff_type == 0) |
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return -1; |
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else |
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return natom; |
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} |
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} |
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} else |
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{ |
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message_alert("Input atom does not have valid atomic symbol or atom type","Error"); |
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return -1; |
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} |
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return -1; |
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} |
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// ==================================================== |
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void make_bond(int ia1, int ia2, int bo) |
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{ |
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int loop,loop1; |
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|
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if (ia1 < 1 || ia1 > MAXATOM) return; |
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if (ia2 < 1 || ia2 > MAXATOM) return; |
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/* find if bond exists */ |
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for (loop = 0; loop < MAXIAT; loop++) |
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{ |
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if (atom[ia1].iat[loop] == ia2) |
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{ |
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if (bo == 1) |
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atom[ia1].bo[loop] += bo; |
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else |
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atom[ia1].bo[loop] = bo; |
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|
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for (loop1 = 0; loop1 < MAXIAT; loop1++) |
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{ |
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if (atom[ia2].iat[loop1] == ia1) |
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{ |
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if ( bo == 1) |
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{ |
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atom[ia2].bo[loop1] += bo; /* bond exists return */ |
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return; |
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} else |
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{ |
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atom[ia2].bo[loop1] = bo; /* bond exists return */ |
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return; |
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} |
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} |
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} |
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} |
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} |
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/* bond does not exist create it */ |
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for (loop = 0; loop < MAXIAT; loop++) |
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{ |
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if (atom[ia1].iat[loop] == 0) |
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{ |
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atom[ia1].iat[loop] = ia2; |
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atom[ia1].bo[loop] = bo; |
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break; |
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} |
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} |
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for (loop = 0; loop < MAXIAT; loop++) |
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{ |
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if (atom[ia2].iat[loop] == 0) |
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{ |
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atom[ia2].iat[loop] = ia1; |
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atom[ia2].bo[loop] = bo; |
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break; |
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} |
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} |
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} |
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// =============================================== |
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void deleteatom(int i) |
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{ |
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int j,k, ibo; |
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atom[i].type = 0; |
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atom[i].x = 0.0F; |
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atom[i].y = 0.0F; |
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atom[i].z = 0.0F; |
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atom[i].flags = 0; |
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for (j=0; j<MAXIAT; j++) |
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{ |
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if (atom[i].iat[j] != 0 ) |
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{ |
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if (atom[atom[i].iat[j]].atomnum == 1 || atom[atom[i].iat[j]].atomnum == 0 ) |
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{ |
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atom[atom[i].iat[j]].type = 0; |
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atom[atom[i].iat[j]].x = 0.0F; |
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atom[atom[i].iat[j]].y = 0.0F; |
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atom[atom[i].iat[j]].z = 0.0F; |
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atom[atom[i].iat[j]].flags = 0; |
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} |
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ibo = atom[i].bo[j]; |
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for (k=1; k <= ibo; k++) |
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deletebond(i,atom[i].iat[j]); |
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atom[i].iat[j] = 0; |
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} |
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} |
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natom--; |
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} |
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// ================================================== |
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void deletebond(int i, int j) |
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{ |
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int i1,j1; |
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for (i1=0; i1 < MAXIAT; i1++) |
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{ |
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if (atom[i].iat[i1] == j) |
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{ |
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if (atom[i].bo[i1] == 9) /* if deleting a coordinated bond - delete it completely */ |
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{ |
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atom[i].bo[i1] = 0; |
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atom[i].iat[i1] = 0; |
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} |
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atom[i].bo[i1] -= 1; |
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if (atom[i].bo[i1] <= 0 ) |
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atom[i].iat[i1] = 0; |
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break; |
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} |
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} |
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for (j1=0; j1 < MAXIAT; j1++) |
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{ |
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if (atom[j].iat[j1] == i) |
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{ |
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if (atom[j].bo[j1] == 9) /* if deleting a coordinated bond - delete it completely */ |
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{ |
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atom[j].bo[j1] = 0; |
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atom[j].iat[j1] = 0; |
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} |
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atom[j].bo[j1] -= 1; |
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if (atom[j].bo[j1] <= 0) |
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atom[j].iat[j1] = 0; |
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break; |
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} |
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} |
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} |
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// ======================================================== |
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int mm3_mmxtype(int mm3type) |
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{ |
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int i; |
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|
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if (mm3type < 153) |
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i = mm3_mmx[mm3type-1]; |
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else if (mm3type == 200) |
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i = 60; |
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else |
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i = mm3type; |
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return(i); |
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} |
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// ================================================== |
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int mmff_mmxtype(int mmfftype) |
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{ |
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int i; |
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if (mmfftype < 100) |
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i = mmff_mmx[mmfftype-1]; |
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else |
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i = mmfftype; |
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return(i); |
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} |