Problem with $gameMap.eventIdXy inside another function

[Ricksoaz]

I'm making a functon to highlight nearby events around the player, but for some reason $gameMap.eventIdXy doesn't work when I use it inside my function.


Game_System.prototype.searchNearbyEvents = function (range){

var MinX = $gamePlayer._x -= range;
var MinY = $gamePlayer._y -= range;
var MaxX = $gamePlayer._x += range;
var MaxY = $gamePlayer._y += range;
var BlType = 1;
var EvId;

for (x = MinX; x < MaxX; x++){
for (y = MinY; y < MaxY; y++){
EvId = $gameMap.eventIdXy(x, y); // <<<<< This one here never works.
if (EvId > 0) {
$gameMap.event(EvId).requestBalloon(BlType);
}
}
}
}


Edit: I'm using this inside my custom plugin. It works fine when I use inside script command, though.

 

[chalkdust]

var MinX = $gamePlayer._x -= range;
var MinY = $gamePlayer._y -= range;
var MaxX = $gamePlayer._x += range;
var MaxY = $gamePlayer._y += range;


Why are you using the assignment operators (-= and +=) here? I'm no expert but it looks like you just need - and +


Try printing EvID to the console and see if it is even detecting events that you think it should be detecting.

 

[Shaz]

yes, if you do a console.log of MinX, MinY, MaxX and MaxY, you'll probably find they're all set to true, because your assignment operator (change $gamePlayer._x to be range less than it was before) is successful.  Internally, true is 1, so all those values are 1.


It's not the $gameMap.EventIdXy that's failing - it never goes into the loops because the minimum value is already equal to the maximum value.

 

[Ricksoaz]

Thanks. I have no idea where I got the "-=" from. I guess I haven't coded in a while and forgot everything... You can close now. On another matter (I don't know if I need to open another topic but) I saw a few plugins work by adding a comment at the top of the page. How can I "use" the contents of comments like that?

 

[chalkdust]

Yeah, generally you'd want to open a new topic for a new question so it can catch the attention of someone capable of addressing it. I know a little about it though...


This function will allow you to access an event's comments:


Game_Event.prototype.comments = function() {
if (!this.page() || !this.list()) {
return "";
}
var comments = this.list().filter(function(list) {
return list.code === 108 || list.code === 408;
});
comments = comments.map(function(list) {
return list.parameters;
});
return comments.join('\n');
};




But it won't be very helpful unless you also understand how to work with the strings. Here's an example:


Game_Event.prototype.hasTag = function() {
if (!this.isEvent()) return false;
var comments = this.comments();
return /<tag>/i.test(comments);
};


That should get you started.


To close this post, click "Report Post" on your original post to ask the mods to close it.

 

[Shaz]

Best thing to do is to find a plugin that does it already, then take a peek inside.  Go for a nice, simple one, so you're not overwhelmed with all the "other" stuff it does, and can just concentrate on the part you're interested in.

 

[mlogan]

This thread is being closed, due to being solved. If for some reason you would like this thread re-opened, please report this post and leave a message why. Thank you.