Jumping - Revision history

Darth l33t: /* Path */ clarify

2021-12-18T23:11:56Z

‎Path: clarify

Actual-nh: /* Restrictions */ Link slithy

2021-09-06T20:51:03Z

‎Restrictions: Link slithy

Darth l33t: /* Path */ draw out all the paths rather than telling the reader to extrapolate

2021-06-26T14:15:02Z

‎Path: draw out all the paths rather than telling the reader to extrapolate

Darth l33t: /* Path */ more concise examples with instructions on how to use them for any jump

2021-06-25T20:00:30Z

‎Path: more concise examples with instructions on how to use them for any jump

Actual-nh: /* Restrictions */ Grammar re "Either of your legs is/are"; link wounded legs

2021-01-10T21:01:56Z

‎Restrictions: Grammar re "Either of your legs is/are"; link wounded legs

Infinigon: messages

2021-01-10T19:31:40Z

messages

Infinigon: undo; it's already mentioned later in the article

2021-01-10T18:50:48Z

undo; it's already mentioned later in the article

Infinigon: wiztested jumping over traps

2021-01-10T18:49:51Z

wiztested jumping over traps

Aximili: Move pre-3.6.1 info to History section

2020-04-21T16:28:10Z

Move pre-3.6.1 info to History section

Umbire the Phantom at 23:07, 11 January 2020

2020-01-11T23:07:27Z

@@ Line 55: / Line 55: @@
 </div>
-Note that some jumping paths are asymmetrical; for example, in the first diagram, if you jump north and west, and there's an obstacle one square south of your destination, you'll pass to its east, but you'll bump into it if you try to jump back to your origin.
+Note that some jumping paths are asymmetrical; for example, in the first diagram, if you jump north-northwest, and there's an obstacle one square south of your destination, you'll pass to its east, but you'll bump into it if you try to jump back to your origin.
 Knowing the path of your jump is important for maximizing jump distance, and to avoid angering peaceful monsters.

@@ Line 71: / Line 71: @@
 In addition, if you are not casting the [[spellbook of jumping|jumping spell]], you cannot jump if:
-* You are polymorphed into something with no legs.
+* You are polymorphed into something with no legs (e.g., a [[slithy]] monster).
 * You are [[burdened]] to any degree.
 * You are [[nutrition|hungrier]] than the halfway point between not hungry and weak.

@@ Line 30: / Line 30: @@
 == Path ==
-{{Wikipedia|Bresenham's line algorithm}}
+Once you select a destination, you will be moved towards it along a path determined by a version of [[wikipedia:Bresenham's line algorithm|Bresenham's line algorithm]].<ref>{{sourcecode|apply.c|1354}} calls {{function|dothrow.c|walk_path}}, which calculates the path</ref> The path will be as close to a straight line as possible, but will tend to move you along the longer axis of your jump. It will never move you a greater proportion of the distance along the shorter axis than it has moved you along the longer axis.
-Once you select a destination, you will be moved towards it along a path determined by a version of ''Bresenham's line algorithm''.<ref>{{sourcecode|apply.c|1354}} calls {{function|dothrow.c|walk_path}}, which calculates the path</ref> The path will be as close to a straight line as possible, but will tend to move you along the longer axis of your jump. It will never move you a greater proportion of the distance along the shorter axis than it has moved you along the longer axis.
+The following diagrams illustrate the non-trivial paths:
 <div class='ttyscreen'>
@@ Line 45: / Line 43: @@
 newline=<br>
-..X.... ....... ....... .......
+......... ......... ......... ...X.X...
-..*.... ..X.... ....... .X.....
+......... ...X.X... ..X...X.. ...*.*...
-...*... ..*.... ..X.... ..*....
+...X.X... ...*.*... .X.*.*.X. ....*....
-...*... ...*... ...*... ..*....
+..X.*.X.. .X*.*.*X. ..**.**.. X*..*..*X
-...@... ...@... ...@... ...@...
+...*@*... ...*@*... ....@.... ..**@**..
 </replacecharsblock>
 </div>
-You may extrapolate other paths by reflecting and rotating these examples. Note that some jumping paths are asymmetrical; for example, in the first diagram, if there's an obstacle two squares south of your destination, you'll pass to its right, but you'll bump into it if you try to jump back to your origin.
+Note that some jumping paths are asymmetrical; for example, in the first diagram, if you jump north and west, and there's an obstacle one square south of your destination, you'll pass to its east, but you'll bump into it if you try to jump back to your origin.
-Being able to predict the path of your jump is important for maximizing jump distance, and to avoid angering peaceful monsters.
+Knowing the path of your jump is important for maximizing jump distance, and to avoid angering peaceful monsters.
 == Restrictions ==

@@ Line 34: / Line 34: @@
 Once you select a destination, you will be moved towards it along a path determined by a version of ''Bresenham's line algorithm''.<ref>{{sourcecode|apply.c|1354}} calls {{function|dothrow.c|walk_path}}, which calculates the path</ref> The path will be as close to a straight line as possible, but will tend to move you along the longer axis of your jump. It will never move you a greater proportion of the distance along the shorter axis than it has moved you along the longer axis.
-The following diagrams should help illustrate some typical paths:
+The following diagrams should help illustrate some non-trivial paths:
 <div class='ttyscreen'>
@@ Line 45: / Line 45: @@
 newline=<br>
-...........    ...........    ...........    ...........
+..X.... ....... ....... .......
-...........    ...........    ...........    ...........
+..*.... ..X.... ....... .X.....
-...........    ...........    ...........    ...........
+...*... ..*.... ..X.... ..*....
-....X......    ...........    ...........    ...........
+...*... ...*... ...*... ..*....
-.....*.....    ...........    ...........    .........X.
+...@... ...@... ...@... ...@...
 </replacecharsblock>
 </div>
 Being able to predict the path of your jump is important for maximizing jump distance, and to avoid angering peaceful monsters.

@@ Line 69: / Line 69: @@
 * You are stuck to a monster, unless it is tame and not suffering from [[confusion]] or [[conflict]].
 * You are [[levitation|levitating]] or on the [[Plane of Air]] or [[Plane of Water|Water]].
-* Either of your legs are wounded.
+* You or your [[steed]] have [[wounded legs]].
 * Your steed is stuck in a [[trap]].

@@ Line 7: / Line 7: @@
 You can jump to try to escape from a [[pit]] or [[lava]]. You can also jump out of a [[web]], which will tear it apart. You can jump out of a [[bear trap]], but it will cause 1d10 damage and can inflict a long-lasting [[wounded legs|leg wound]]. If you are stuck in the floor (because you were caught in cooling lava) and attempt to jump, you will remain stuck and wound your legs. Jumping out of shops counts as [[Stealing from shops#Direct theft|direct theft]].
 == Range ==
 <div class="thumb tright">{{Escape spells skill table}}</div>
@@ Line 68: / Line 69: @@
 * You are stuck to a monster, unless it is tame and not suffering from [[confusion]] or [[conflict]].
 * You are [[levitation|levitating]] or on the [[Plane of Air]] or [[Plane of Water|Water]].
-* Either of your legs is wounded.
+* Either of your legs are wounded.
 * Your [[steed]] has wounded legs.
 * Your steed is stuck in a [[trap]].
@@ Line 82: / Line 83: @@
 * You are riding a [[paralysed]] steed.
 * You are riding a flying steed.
 ==History==

@@ Line 3: / Line 3: @@
 Using any of the three sources to jump, you must be able to see your destination. The jump will consume d25 [[nutrition]] (plus the usual spellcasting hunger penalty, if you cast the spell), and you become [[immobile]] for the rest of the current turn (not simply one action) after landing.{{refsrc|apply.c|1361}} (This penalty thus has no effect if you use it on the last action of a turn.) Players with [[speed]] can move farther in one turn by stepping as far as possible without advancing the turn counter, then jumping, ''see [[Speed#Strategy]]''.
-Note that you cannot jump ''over'' [[monster]]s. If you attempt to do so, you will bump into them, which will wake them up and anger them if they are [[peaceful]]. You can jump over [[trap]]s without activating them, with the exception of [[fire trap]]s.
+Note that you cannot jump ''over'' [[monster]]s. If you attempt to do so, you will bump into them, which will wake them up and anger them if they are [[peaceful]].
 You can jump to try to escape from a [[pit]] or [[lava]]. You can also jump out of a [[web]], which will tear it apart. You can jump out of a [[bear trap]], but it will cause 1d10 damage and can inflict a long-lasting [[wounded legs|leg wound]]. If you are stuck in the floor (because you were caught in cooling lava) and attempt to jump, you will remain stuck and wound your legs. Jumping out of shops counts as [[Stealing from shops#Direct theft|direct theft]].

@@ Line 1: / Line 1: @@
-'''Jumping''' is a [[property]] that allows a player to traverse multiple empty [[tile]]s in one movement. The ability to jump comes from three sources: being a [[Knight]], wearing [[jumping boots]], or casting a [[spell of jumping]]. To perform a jump, use the extended command '''#jump'''. If [[number_pad]] is set, you can also press {{kbd|j}}. Knight jumping and jumping from the boots are practically identical; the only difference is to which squares you can jump.
+'''Jumping''' is a [[property]] that allows a player to traverse multiple empty [[tile]]s in one movement. The ability to jump comes from three sources: being a [[Knight]], wearing [[jumping boots]], or casting a [[spell of jumping]]. To perform a jump, use the extended command '''#jump'''. If [[number_pad]] is set, you can also press {{kbd|j}}. Knight jumping and jumping from the boots are practically identical; the only difference is to which squares you can jump. The spell lets you jump farther, depending on your [[skill]] in [[escape spells]].
 Using any of the three sources to jump, you must be able to see your destination. The jump will consume d25 [[nutrition]] (plus the usual spellcasting hunger penalty, if you cast the spell), and you become [[immobile]] for the rest of the current turn (not simply one action) after landing.{{refsrc|apply.c|1361}} (This penalty thus has no effect if you use it on the last action of a turn.) Players with [[speed]] can move farther in one turn by stepping as far as possible without advancing the turn counter, then jumping, ''see [[Speed#Strategy]]''.
@@ Line 84: / Line 82: @@
 * You are riding a [[paralysed]] steed.
 * You are riding a flying steed.
 ==Strategy==

← Older revision		Revision as of 23:07, 11 January 2020
Line 1:		Line 1:
−	'''Jumping''' is a [[property]] that allows a player to traverse multiple empty [[tile]]s in one movement. The ability to jump comes from three sources: being a [[Knight]], wearing [[jumping boots]], or casting a [[~~spellbook of jumping\|~~spell of jumping]]. To perform a jump, use the extended command '''#jump'''. If [[number_pad]] is set, you can also press {{kbd\|j}}. Knight jumping and jumping from the boots are practically identical; the only difference is to which squares you can jump.	+	'''Jumping''' is a [[property]] that allows a player to traverse multiple empty [[tile]]s in one movement. The ability to jump comes from three sources: being a [[Knight]], wearing [[jumping boots]], or casting a [[spell of jumping]]. To perform a jump, use the extended command '''#jump'''. If [[number_pad]] is set, you can also press {{kbd\|j}}. Knight jumping and jumping from the boots are practically identical; the only difference is to which squares you can jump.

	Before [[NetHack 3.6.1]], the #jump command would not cast the jumping spell. To cast it in previous versions and variants based on them, you must press {{kbd\|Z}} and select ''jumping''. The spell lets you jump farther, depending on your [[skill]] in [[escape spells]].		Before [[NetHack 3.6.1]], the #jump command would not cast the jumping spell. To cast it in previous versions and variants based on them, you must press {{kbd\|Z}} and select ''jumping''. The spell lets you jump farther, depending on your [[skill]] in [[escape spells]].