void FatWalk::walk(int cluster)
{
FatEntry root;
if (cluster == system.rootDirectory) {
root = system.rootEntry();
} else {
root.cluster = cluster;
root.attributes = FAT_ATTRIBUTES_DIR;
root.longName = "/";
}
set<int> visited;
onEntry(root, root, "/");
doWalk(visited, root, "/");
}
int Router::walkToTalkToMega(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint32 megaId, uint32 separation) {
ObjectMega obMega(ob_mega);
int16 target_x = 0;
int16 target_y = 0;
uint8 target_dir = 0;
// If this is the start of the walk, calculate the route.
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
assert(_vm->_resman->fetchType(megaId) == GAME_OBJECT);
// Call the base script. This is the graphic/mouse service
// call, and will set _engineMega to the ObjectMega of mega we
// want to route to.
_vm->_logic->runResScript(megaId, 3);
ObjectMega targetMega(_vm->_logic->getEngineMega());
// Stand exactly beside the mega, ie. at same y-coord
target_y = targetMega.getFeetY();
int scale = obMega.calcScale();
int mega_separation = (separation * scale) / 256;
debug(4, "Target is at (%d, %d), separation %d", targetMega.getFeetX(), targetMega.getFeetY(), mega_separation);
if (targetMega.getFeetX() < obMega.getFeetX()) {
// Target is left of us, so aim to stand to their
// right. Face down_left
target_x = targetMega.getFeetX() + mega_separation;
target_dir = 5;
} else {
// Ok, must be right of us so aim to stand to their
// left. Face down_right.
target_x = targetMega.getFeetX() - mega_separation;
target_dir = 3;
}
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
int Router::doFace(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint8 target_dir) {
int16 target_x = 0;
int16 target_y = 0;
// If this is the start of the turn, get the mega's current feet
// coords + the required direction
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
assert(target_dir <= 7);
ObjectMega obMega(ob_mega);
target_x = obMega.getFeetX();
target_y = obMega.getFeetY();
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
int Router::walkToAnim(byte *ob_logic, byte *ob_graph, byte *ob_mega, byte *ob_walkdata, uint32 animRes) {
int16 target_x = 0;
int16 target_y = 0;
uint8 target_dir = 0;
// Walkdata is needed for earlySlowOut if player clicks elsewhere
// during the walk.
// If this is the start of the walk, read anim file to get start coords
ObjectLogic obLogic(ob_logic);
if (obLogic.getLooping() == 0) {
byte *anim_file = _vm->_resman->openResource(animRes);
AnimHeader anim_head;
anim_head.read(_vm->fetchAnimHeader(anim_file));
target_x = anim_head.feetStartX;
target_y = anim_head.feetStartY;
target_dir = anim_head.feetStartDir;
_vm->_resman->closeResource(animRes);
// If start coords not yet set in anim header, use the standby
// coords (which should be set beforehand in the script).
if (target_x == 0 && target_y == 0) {
target_x = _standbyX;
target_y = _standbyY;
target_dir = _standbyDir;
}
assert(target_dir <= 7);
}
return doWalk(ob_logic, ob_graph, ob_mega, ob_walkdata, target_x, target_y, target_dir);
}
void FatWalk::doWalk(set<int> &visited, FatEntry ¤tEntry, string name)
{
int cluster = currentEntry.cluster;
if (visited.find(cluster) != visited.end()) {
return;
}
visited.insert(cluster);
vector<FatEntry> entries = system.getEntries(cluster);
vector<FatEntry>::iterator it;
for (it=entries.begin(); it!=entries.end(); it++) {
FatEntry &entry = *it;
if ((!walkErased) && entry.isErased()) {
continue;
}
if (entry.getFilename() != "." && entry.getFilename() != "..") {
string subname = name;
if (subname != "" && subname != "/") {
subname += "/";
}
subname += entry.getFilename();
if (entry.isDirectory()) {
onDirectory(currentEntry, entry, subname);
doWalk(visited, entry, subname);
}
onEntry(currentEntry, entry, subname);
}
}
}
