// Set flag for field
void setFlag(int world[NOCOLS][NOROWS], struct coord field, int action){
// TODO: REMOVE, testing only
if(field.x <0 || field.y<0){
printf("setFlag: Negative numbers!\n");
exit(EXIT_FAILURE);
}
if(action == VISITED){
delFlag(world, field, SAFE);
delFlag(world, field, CAVESUS);
delFlag(world, field, GLOWSUS);
delFlag(world, field, WUMPUSSUS);
}
world[field.x][field.y] = world[field.x][field.y] | action;
}
/**
* Sets the highlight status of the entity. Highlighted entities
* usually indicate a feedback to a user action.
*/
void RS_Entity::setHighlighted(bool on) {
if (on) {
setFlag(RS2::FlagHighlighted);
} else {
delFlag(RS2::FlagHighlighted);
}
}
/**
* Sets or resets the processed flag of this entity.
*
* @param on True to set, false to reset.
*/
void RS_Entity::setProcessed(bool on) {
if (on) {
setFlag(RS2::FlagProcessed);
} else {
delFlag(RS2::FlagProcessed);
}
}
void RS_Entity::setVisible(bool v) {
if (v) {
setFlag(RS2::FlagVisible);
} else {
delFlag(RS2::FlagVisible);
}
}
/**
* Undoes or redoes an undoable.
*/
void RS_Undoable::setUndoState(bool undone) {
if (undone) {
setFlag(RS2::FlagUndone);
} else {
delFlag(RS2::FlagUndone);
}
undoStateChanged(isUndone());
}
/**
* Selects or deselects this entity.
*
* @param select True to select, false to deselect.
*/
bool RS_Entity::setSelected(bool select) {
// layer is locked:
if (select && isLocked()) {
return false;
}
if (select) {
setFlag(RS2::FlagSelected);
} else {
delFlag(RS2::FlagSelected);
}
return true;
}
// Read sensors and update KB
void evaluateNeighbors(int agentWorld[NOCOLS][NOROWS], struct coord field){
int z;
struct coord neighbors[4]; // Neighbors coordinates
// Get neighbors coordinates
neighborFieldsCoords(field, neighbors);
// Iterate all four neighbors to set suspect flags (ignore if neighbor SAFE and VISITED)
for(z=0; z<4; z++){
if ( (
((neighbors[z].y < NOROWS) && (z == 0))
||
((neighbors[z].x < NOCOLS) && (z == 1))
||
((neighbors[z].y >= 0) && (z == 2))
||
((neighbors[z].x >= 0) && (z == 3))
)
&&
(testFlag(agentWorld, neighbors[z], SAFE) == 0)
&&
(testFlag(agentWorld, neighbors[z], VISITED) == 0)
){
/* If current field says breeze, CAVESUS marks all around. If one
* of the neighbors already has CAVESUS flag then put cave mark there.*/
if(testFlag(agentWorld, field, BREEZE)){
if(testFlag(agentWorld, neighbors[z], CAVESUS)){
/* Cave must be there cause this this field is already
* marked with CAVESUS*/
setFlag(agentWorld, neighbors[z], CAVE);
}else{
setFlag(agentWorld, neighbors[z], CAVESUS);
}
}
if(testFlag(agentWorld, field, STENCH)){
if(testFlag(agentWorld, neighbors[z], WUMPUSSUS)){
setFlag(agentWorld, neighbors[z], WUMPUS);
}else{
setFlag(agentWorld, neighbors[z], WUMPUSSUS);
}
}
if(testFlag(agentWorld, field, GLOWING)){
if(testFlag(agentWorld, neighbors[z], GLOWSUS)){
setFlag(agentWorld, neighbors[z], GLOW);
}else{
setFlag(agentWorld, neighbors[z], GLOWSUS);
}
}
//If this field gives no sensor data, mark surrounding fields as SAFE
if((testFlag(agentWorld, field, BREEZE) == 0) &&
(testFlag(agentWorld, field, STENCH) == 0)){
setFlag(agentWorld, neighbors[z], SAFE);
// Delete all unnecessary flags
delFlag(agentWorld, neighbors[z], CAVESUS);
delFlag(agentWorld, neighbors[z], WUMPUSSUS);
delFlag(agentWorld, neighbors[z], CAVE);
delFlag(agentWorld, neighbors[z], WUMPUS);
}
}
}
}