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b74399ed57
* move files * update game.gp
166 lines
5.4 KiB
Common Lisp
166 lines
5.4 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: path-h.gc
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;; name in dgo: path-h
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;; dgos: GAME, ENGINE
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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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)
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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 :offset-assert 4)
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(name symbol :offset-assert 8)
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(process process-drawable :offset-assert 12)
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(curve curve :inline :offset-assert 16)
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(num-cverts int32 :offset 20)
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(cverts (inline-array vector) :score 100 :offset 16)
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)
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:method-count-assert 21
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:size-assert #x24
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:flag-assert #x1500000024
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(:methods
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(new (symbol type process symbol float) _type_)
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(dummy-9 (_type_) none 9)
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(eval-path-curve-div! (_type_ vector float symbol) vector 10)
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(get-random-point (_type_ vector) vector 11)
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(TODO-RENAME-12 (_type_ vector float) vector 12)
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(eval-path-curve! (_type_ vector float symbol) vector 13)
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(TODO-RENAME-14 (_type_ vector float) vector 14)
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(length-as-float (_type_) float 15)
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(path-distance (_type_) float 16)
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(get-num-verts (_type_) int 17)
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(should-display? (_type_) symbol 18)
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(TODO-RENAME-19 (_type_) float 19)
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(TODO-RENAME-20 (_type_) float 20)
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)
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)
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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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()
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:method-count-assert 21
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:size-assert #x24
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:flag-assert #x1500000024
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(:methods
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(new (symbol type process symbol float) _type_ 0)
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)
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)
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(defmethod new path-control ((allocation symbol) (type-to-make type) (proc process) (name symbol) (time float))
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(local-vars (tag res-tag))
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(let ((obj (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
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(when (zero? obj)
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;; allocation failed.
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(go process-drawable-art-error "memory")
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(set! obj (the-as path-control 0))
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(goto cfg-9)
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)
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(set! (-> obj process) (the-as process-drawable proc))
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(set! (-> obj 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 (the-as res-lump ent) 'path-actor 0)))
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(if lookup-entity
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(set! ent lookup-entity)
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)
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)
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)
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;; look up the curve data
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(set! tag (new 'static 'res-tag))
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(let ((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! (-> obj cverts) (the-as (inline-array vector) data))
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(set! (-> obj curve num-cverts) (the-as int (-> tag elt-count)))
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)
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(else
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;; did not find the data. Set flags and zero stuff
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(logior! (-> obj flags) (path-control-flag not-found))
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(set! (-> obj cverts) (the-as (inline-array vector) #f))
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(set! (-> obj curve num-cverts) 0)
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)
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)
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)
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)
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(label cfg-9)
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(the-as path-control obj)
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)
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)
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(defmethod should-display? path-control ((obj path-control))
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"Should we display path marks?"
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(and *display-path-marks*
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(logtest? (-> obj flags) (path-control-flag display))
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)
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)
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(defmethod length-as-float path-control ((obj path-control))
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"Get the number of edges as a float"
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(the float (+ (-> obj curve num-cverts) -1))
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)
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(defmethod get-num-verts path-control ((obj path-control))
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"Get the number of vertices"
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(-> obj curve num-cverts)
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)
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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 ((obj (object-new allocation type-to-make (the-as int (-> type-to-make size)))))
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(set! (-> obj process) (the-as process-drawable proc))
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(set! (-> obj name) name)
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(let* ((ent (the-as entity (-> 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))
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(format (clear *temp-string*) "~A-k" name)
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(s2-1 *temp-string*)
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)
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)
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)
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)
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)
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(let ((lookup-entity (entity-actor-lookup ent 'path-actor 0)))
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(if lookup-entity
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(set! ent lookup-entity)
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)
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)
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(when (not (get-curve-data! ent (-> obj curve) name s2-0 time))
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(cond
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((> (-> obj 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! (-> obj type) path-control)
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)
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(else
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;; couldn't get anything, mark as bad.
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(logior! (-> obj flags) (path-control-flag not-found))
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(set! (-> obj flags) (logior (-> obj flags) (path-control-flag not-found)))
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(set! (-> obj curve cverts) (the-as (inline-array vector) #f))
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(set! (-> obj curve num-cverts) 0)
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)
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)
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)
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)
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obj
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)
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)
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