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water111
637990314b
Closes #736 --------- Co-authored-by: Hat Kid <6624576+Hat-Kid@users.noreply.github.com>
114 lines
4.6 KiB
Common Lisp
114 lines
4.6 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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(bundles "ENGINE.CGO" "GAME.CGO")
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(require "engine/draw/drawable-h.gc")
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(require "engine/game/main-h.gc")
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(require "engine/entity/actor-link-h.gc")
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(defenum path-control-flag
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:bitfield #t
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:type uint32
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(display 0)
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(draw-line 1) ;; TODO - only seen it used to control debug drawing so far
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(draw-point 2) ;; TODO - only seen it used to control debug drawing so far
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(draw-text 3) ;; TODO - only seen it used to control debug drawing so far
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(not-found 4))
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;; DECOMP BEGINS
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;; A path-control is a curve that can be loaded from res-lump/entities.
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(deftype path-control (basic)
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((flags path-control-flag)
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(name symbol)
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(process process-drawable)
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(curve curve :inline)
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(num-cverts int32 :overlay-at (-> curve num-cverts))
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(cverts (inline-array vector) :overlay-at (-> curve cverts)))
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(:methods
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(new (symbol type process symbol float) _type_)
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(debug-draw (_type_) none)
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(eval-path-curve-div! (_type_ vector float symbol) vector)
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(get-random-point (_type_ vector) vector)
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(path-control-method-12 (_type_ vector float) vector)
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(eval-path-curve! (_type_ vector float symbol) vector)
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(path-control-method-14 (_type_ vector float) vector)
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(length-as-float (_type_) float)
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(path-distance (_type_) float)
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(get-num-verts (_type_) int)
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(should-display? (_type_) symbol)
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(path-control-method-19 (_type_) float)
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(path-control-method-20 (_type_) float)))
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;; A curve-control is very similar, but also gets knots.
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(deftype curve-control (path-control) ()
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(:methods
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(new (symbol type process symbol float) _type_)))
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(defmethod new path-control ((allocation symbol) (type-to-make type) (proc process) (name symbol) (time float))
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(let ((this (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
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(when (zero? this)
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;; allocation failed.
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(go process-drawable-art-error "memory")
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(set! this (the-as path-control 0))
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(goto cfg-9))
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(set! (-> this process) (the-as process-drawable proc))
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(set! (-> this name) name)
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(let ((ent (-> proc entity)))
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(when (= name 'path)
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;; if we are a path, try to look up the path-actor.
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(let ((lookup-entity (entity-actor-lookup ent 'path-actor 0))) (if lookup-entity (set! ent lookup-entity))))
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;; look up the curve data
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(let* ((tag (new 'static 'res-tag))
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(data (res-lump-data ent name pointer :tag-ptr (& tag) :time time)))
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(cond
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(data
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;; success, we got some data
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(set! (-> this cverts) (the-as (inline-array vector) data))
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(set! (-> this curve num-cverts) (the-as int (-> tag elt-count))))
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(else
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;; did not find the data. Set flags and zero stuff
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(logior! (-> this flags) (path-control-flag not-found))
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(set! (-> this cverts) (the-as (inline-array vector) #f))
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(set! (-> this curve num-cverts) 0)
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0))))
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(label cfg-9)
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(the-as path-control this)))
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(defmethod should-display? ((this path-control))
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"Should we display path marks?"
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(and *display-path-marks* (logtest? (-> this flags) (path-control-flag display))))
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(defmethod length-as-float ((this path-control))
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"Get the number of edges as a float"
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(the float (+ (-> this curve num-cverts) -1)))
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(defmethod get-num-verts ((this path-control))
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"Get the number of vertices"
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(-> this curve num-cverts))
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(defmethod new curve-control ((allocation symbol) (type-to-make type) (proc process) (name symbol) (time float))
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(let ((this (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
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(set! (-> this process) (the-as process-drawable proc))
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(set! (-> this name) name)
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(let* ((ent (-> proc entity))
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(v1-2 name)
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(s2-0 (cond
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((= v1-2 'path)
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'path-k ;; for knots?
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)
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(else
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;; appends a -k to the symbol name.
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(let ((s2-1 string->symbol)) (format (clear *temp-string*) "~A-k" name) (s2-1 *temp-string*))))))
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(let ((lookup-entity (entity-actor-lookup ent 'path-actor 0))) (if lookup-entity (set! ent lookup-entity)))
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(when (not (get-curve-data! ent (-> this curve) name s2-0 time))
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(cond
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((> (-> this curve num-cverts) 0)
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;; downgrade us to a path-control, we got cverts but no knots.
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(set! (-> this type) path-control))
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(else
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;; couldn't get anything, mark as bad.
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(logior! (-> this flags) (path-control-flag not-found))
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(set! (-> this cverts) (the-as (inline-array vector) #f))
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(set! (-> this curve num-cverts) 0)
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0))))
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this))
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