diff options
Diffstat (limited to 'res/scripts/common.lua')
-rw-r--r-- | res/scripts/common.lua | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/res/scripts/common.lua b/res/scripts/common.lua index d0ea6b5..f984667 100644 --- a/res/scripts/common.lua +++ b/res/scripts/common.lua | |||
@@ -34,7 +34,8 @@ SpriteLayer = { | |||
34 | BehaviourType = { | 34 | BehaviourType = { |
35 | NONE = 0, | 35 | NONE = 0, |
36 | WANDER = 1, | 36 | WANDER = 1, |
37 | PATH = 2 | 37 | PATH = 2, |
38 | FOLLOW = 3 | ||
38 | } | 39 | } |
39 | 40 | ||
40 | CutsceneOptions = { | 41 | CutsceneOptions = { |
@@ -440,6 +441,13 @@ function WaitForSpritePath(spriteName) | |||
440 | end | 441 | end |
441 | end | 442 | end |
442 | 443 | ||
444 | --- Sets a sprite to wander. | ||
445 | function StartWandering(spriteName) | ||
446 | local spriteId = getSpriteByAlias(spriteName) | ||
447 | local sprite = getSprite(spriteId) | ||
448 | sprite.behaviourType = BehaviourType.WANDER | ||
449 | end | ||
450 | |||
443 | --- Turns off the sprite's behaviour. | 451 | --- Turns off the sprite's behaviour. |
444 | function DisableBehaviour(spriteName) | 452 | function DisableBehaviour(spriteName) |
445 | local spriteId = getSpriteByAlias(spriteName) | 453 | local spriteId = getSpriteByAlias(spriteName) |
@@ -447,6 +455,23 @@ function DisableBehaviour(spriteName) | |||
447 | sprite.behaviourType = BehaviourType.NONE | 455 | sprite.behaviourType = BehaviourType.NONE |
448 | end | 456 | end |
449 | 457 | ||
458 | --- Directs a sprite to start following a target sprite. | ||
459 | function FollowSprite(spriteName, targetName) | ||
460 | local spriteId = getSpriteByAlias(spriteName) | ||
461 | local targetId = getSpriteByAlias(targetName) | ||
462 | local sprite = getSprite(spriteId) | ||
463 | sprite.followSpriteId = targetId | ||
464 | sprite.behaviourType = BehaviourType.FOLLOW | ||
465 | end | ||
466 | |||
467 | --- Makes a sprite stop following whatever sprite it was following. | ||
468 | function StopFollowingSprite(spriteName) | ||
469 | local spriteId = getSpriteByAlias(spriteName) | ||
470 | local sprite = getSprite(spriteId) | ||
471 | sprite.followSpriteId = -1 | ||
472 | sprite.behaviourType = BehaviourType.NONE | ||
473 | end | ||
474 | |||
450 | --- Fades out the currently playing music. | 475 | --- Fades out the currently playing music. |
451 | -- This does not block. If you want it to block, call Delay for the same amount | 476 | -- This does not block. If you want it to block, call Delay for the same amount |
452 | -- of time. | 477 | -- of time. |
@@ -479,6 +504,21 @@ function EnablePlayerControl() | |||
479 | end | 504 | end |
480 | 505 | ||
481 | --- Makes the specified sprite face toward the †arget sprite. | 506 | --- Makes the specified sprite face toward the †arget sprite. |
507 | -- This version of the function uses any of the eight directions. | ||
508 | -- @param spriteName the name of the sprite to change the direction of | ||
509 | -- @param targetName the name of the sprite to face toward | ||
510 | function FaceTowardSprite(spriteName, targetName) | ||
511 | local spriteId = getSpriteByAlias(spriteName) | ||
512 | local targetId = getSpriteByAlias(targetName) | ||
513 | local sprite = getSprite(spriteId) | ||
514 | local target = getSprite(targetId) | ||
515 | local diff = vec2i.new(target.loc:x() - sprite.loc:x(), target.loc:y() - sprite.loc:y()) | ||
516 | local dir = directionFacingPoint(diff) | ||
517 | |||
518 | SetDirection(spriteName, dir) | ||
519 | end | ||
520 | |||
521 | --- Makes the specified sprite face toward the †arget sprite. | ||
482 | -- This version of the function uses the closest cardinal direction. | 522 | -- This version of the function uses the closest cardinal direction. |
483 | -- @param spriteName the name of the sprite to change the direction of | 523 | -- @param spriteName the name of the sprite to change the direction of |
484 | -- @param targetName the name of the sprite to face toward | 524 | -- @param targetName the name of the sprite to face toward |