From ceeaae033fd119d8f7ab2bc1f8e61147cd229495 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sat, 28 Oct 2023 09:35:23 -0400
Subject: Start updating assets to use Christine's sprites; add nested scripts.

---
 game.scm                 | 125 +++++++++++++++++++++++++++++++-----------
 images/enemy-bullets.ase | Bin 421 -> 413 bytes
 images/flyer0.ase        | Bin 692 -> 660 bytes
 images/flyer0.png        | Bin 434 -> 315 bytes
 images/flyer1.ase        | Bin 647 -> 759 bytes
 images/flyer1.png        | Bin 314 -> 487 bytes
 images/map.ase           | Bin 1096 -> 1238 bytes
 images/map.png           | Bin 452 -> 659 bytes
 images/player.ase        | Bin 908 -> 658 bytes
 images/player.png        | Bin 285 -> 605 bytes
 images/popcorn.ase       | Bin 536 -> 522 bytes
 images/popcorn.png       | Bin 306 -> 355 bytes
 images/turret.ase        | Bin 996 -> 470 bytes
 images/turret.png        | Bin 547 -> 250 bytes
 level.tmx                | 140 ++++++++++++++++++++++++++++++++++++++++++++---
 15 files changed, 224 insertions(+), 41 deletions(-)

diff --git a/game.scm b/game.scm
index 70f9c21..a82136f 100644
--- a/game.scm
+++ b/game.scm
@@ -205,6 +205,11 @@
      (define pi/2 (/ pi 2.0))
      (define tau (* pi 2.0))
 
+     (define (do-circle proc k)
+       (do ((i 0 (+ i 1)))
+           ((= i k))
+         (proc (* tau (inexact (/ i k))))))
+
      (define (clamp x min max)
        (cond ((< x min) min)
              ((> x max) max)
@@ -359,14 +364,16 @@
               ((= i num-tasks))
             (vector-set! tasks i #f)))))
      (define *scheduler* (make-scheduler 100))
+     (define current-script (make-parameter #f))
      (define %script-tag (make-prompt-tag "script"))
      (define-type script
        %make-script
        script?
        (state script-state set-script-state!)
-       (cont script-cont set-script-cont!))
+       (cont script-cont set-script-cont!)
+       (children script-children set-script-children!))
      (define (make-script thunk)
-       (%make-script 'pending thunk))
+       (%make-script 'pending thunk '()))
      (define (script-pending? script)
        (eq? (script-state script) 'pending))
      (define (script-running? script)
@@ -374,15 +381,23 @@
      (define (script-cancelled? script)
        (eq? (script-state script) 'cancelled))
      (define (script-cancel! script)
-       (set-script-state! script 'cancelled))
+       (set-script-state! script 'cancelled)
+       (for-each script-cancel! (script-children script)))
      (define (script-run! script)
        (define (run thunk)
          (unless (script-cancelled? script)
-           (call-with-prompt %script-tag thunk handler)))
+           (call-with-prompt %script-tag
+             (lambda ()
+               (parameterize ((current-script script))
+                 (thunk)))
+             handler)))
        (define (handler k delay)
          (when delay
            (scheduler-add! *scheduler* (lambda () (run k)) delay)))
        (when (script-pending? script)
+         (let ((parent (current-script)))
+           (when parent
+             (set-script-children! parent (cons script (script-children parent)))))
          (run
           (lambda ()
             (set-script-state! script 'running)
@@ -398,6 +413,10 @@
          script))
      (define (wait delay)
        (abort-to-prompt %script-tag delay))
+     (define-syntax-rule (forever body ...)
+       (let loop ()
+         body ...
+         (loop)))
 
      ;; Particles:
      (define-type particle-pool
@@ -487,11 +506,11 @@
      (define (explode x y)
        (let ((speed 1.0))
          (sound-effect-play sound:explosion)
-         (do ((i 0 (+ i 1)))
-             ((= i 16))
-           (let ((theta (* tau (/ i 16.0))))
-             (particle-pool-add! particles 'explosion 20 x y
-                                 (* (cos theta) speed) (* (sin theta) speed))))))
+         (do-circle
+          (lambda (theta)
+            (particle-pool-add! particles 'explosion 20 x y
+                                (* (cos theta) speed) (* (sin theta) speed)))
+          16)))
 
      ;; Bullets:
      ;; Similar to particles... but different.
@@ -728,6 +747,10 @@
        (vec2-x (enemy-velocity enemy)))
      (define (enemy-dy enemy)
        (vec2-y (enemy-velocity enemy)))
+     (define (set-enemy-dx! enemy dx)
+       (set-vec2-x! (enemy-velocity enemy) dx))
+     (define (set-enemy-dy! enemy dy)
+       (set-vec2-y! (enemy-velocity enemy) dy))
      (define (enemy-damage! enemy damage)
        (match enemy
          (#('enemy type health _ _ _ _ _ _ _ _ _ _)
@@ -781,11 +804,12 @@
                    (h (vec2-y image-size)))
               (draw-image context image tx 0.0 w h
                           (- x (/ w 2.0)) (- y (/ h 2.0)) w h)
-              (set-fill-color! context "#ff00ff80")
-              (fill-rect context
-                         (- x (/ hbw 2.0))
-                         (- y (/ hbh 2.0))
-                         hbw hbh))))))
+              ;; (set-fill-color! context "#ff00ff80")
+              ;; (fill-rect context
+              ;;            (- x (/ hbw 2.0))
+              ;;            (- y (/ hbh 2.0))
+              ;;            hbw hbh)
+              )))))
 
      (define-type enemy-pool
        %make-enemy-pool
@@ -836,7 +860,10 @@
                       (set! *player-score*
                             (+ *player-score* (enemy-points enemy))))
                     (when (eq? (enemy-type enemy) 'boss)
-                      (set! *game-state* 'game-win))
+                      (run-script
+                       (lambda ()
+                         (wait 60)
+                         (set! *game-state* 'game-win))))
                     (enemy-pool-remove! pool i)
                     (loop i (- k 1)))
                    (else
@@ -862,6 +889,30 @@
      (define (spawn-enemy enemy)
        (enemy-pool-add! enemies enemy))
 
+     (define (spawn-turret* x y script)
+       (spawn-enemy
+        (make-enemy 'turret 10 (vec2 x y) (vec2 12.0 12.0)
+                    #t (vec2 0.0 0.0) script 100
+                    #(0.0 0.0 0.0 0.0) image:turret (vec2 32.0 32.0))))
+
+     (define (spawn-popcorn* x y script)
+       (spawn-enemy
+        (make-enemy 'popcorn 1 (vec2 x y) (vec2 12.0 12.0)
+                    #t (vec2 0.0 0.0) script 100
+                    #(0.0 0.0 0.0 0.0) image:popcorn (vec2 32.0 32.0))))
+
+     (define (spawn-flyer0* x y script)
+       (spawn-enemy
+        (make-enemy 'flyer0 20 (vec2 x y) (vec2 12.0 12.0)
+                    #f (vec2 0.0 0.0) script 100
+                    #(0.0 0.0 0.0 0.0) image:flyer0 (vec2 32.0 32.0))))
+
+     (define (spawn-flyer1* x y script)
+       (spawn-enemy
+        (make-enemy 'flyer1 10 (vec2 x y) (vec2 16.0 16.0)
+                    #f (vec2 0.0 0.0) script 100
+                    #(0.0 0.0 0.0 0.0) image:flyer1 (vec2 32.0 32.0))))
+
      (define (spawn-turret x y)
        (define (script enemy)
          (let ((speed 2.0))
@@ -878,32 +929,42 @@
                                  (* (vec2-y v) speed)))
              (wait 30)
              (loop (+ theta 0.2)))))
-       (spawn-enemy
-        (make-enemy 'turret 10 (vec2 x y) (vec2 16.0 16.0)
-                    #t (vec2 0.0 0.0) script 100
-                    #(0.0 0.0 0.0 0.0) image:turret (vec2 64.0 64.0))))
+       (spawn-turret* x y script))
 
      (define (spawn-popcorn x y)
-       (spawn-enemy
-        (make-enemy 'popcorn 1 (vec2 x y) (vec2 16.0 16.0)
-                    #t (vec2 0.0 0.0) #f 100
-                    #(0.0 0.0 0.0 0.0) image:popcorn (vec2 32.0 32.0))))
+       (spawn-popcorn* x y #f))
 
      (define (spawn-flyer0 x y)
-       (spawn-enemy
-        (make-enemy 'flyer0 20 (vec2 x y) (vec2 16.0 16.0)
-                    #t (vec2 0.0 0.0) #f 100
-                    #(0.0 0.0 0.0 0.0) image:flyer0 (vec2 32.0 32.0))))
+       (define (script flyer)
+         (run-script
+          (lambda ()
+            (let ((speed 1.0))
+              (forever
+               (do-circle
+                (lambda (theta)
+                  (bullet-pool-add! enemy-bullets 0
+                                    (enemy-x flyer)
+                                    (enemy-y flyer)
+                                    2.0 2.0
+                                    (* (cos theta) speed)
+                                    (* (sin theta) speed))
+                  (wait 5))
+                16)))))
+         (forever
+          (pk 'change-velocity)
+          (set-enemy-dx! flyer 0.5)
+          (wait 60)
+          (pk 'change-velocity)
+          (set-enemy-dx! flyer -0.5)
+          (wait 60)))
+       (spawn-flyer0* x y script))
 
      (define (spawn-flyer1 x y)
-       (spawn-enemy
-        (make-enemy 'flyer1 10 (vec2 x y) (vec2 16.0 16.0)
-                    #t (vec2 0.0 0.0) #f 100
-                    #(0.0 0.0 0.0 0.0) image:flyer1 (vec2 32.0 32.0))))
+       (spawn-flyer1* x y #f))
 
      (define (spawn-boss x y)
        (spawn-enemy
-        (make-enemy 'boss 100 (vec2 x y) (vec2 100.0 40.0)
+        (make-enemy 'boss 300 (vec2 x y) (vec2 100.0 40.0)
                     #t (vec2 0.0 0.0) #f 1000000
                     #(0.0 0.0 0.0 0.0) image:boss (vec2 120.0 80.0))))
 
diff --git a/images/enemy-bullets.ase b/images/enemy-bullets.ase
index d020498..f7fc836 100644
Binary files a/images/enemy-bullets.ase and b/images/enemy-bullets.ase differ
diff --git a/images/flyer0.ase b/images/flyer0.ase
index f7e7ce8..17329cb 100644
Binary files a/images/flyer0.ase and b/images/flyer0.ase differ
diff --git a/images/flyer0.png b/images/flyer0.png
index 2566428..6505b1d 100644
Binary files a/images/flyer0.png and b/images/flyer0.png differ
diff --git a/images/flyer1.ase b/images/flyer1.ase
index d64c89a..42fbe42 100644
Binary files a/images/flyer1.ase and b/images/flyer1.ase differ
diff --git a/images/flyer1.png b/images/flyer1.png
index 4292f5b..5298bcd 100644
Binary files a/images/flyer1.png and b/images/flyer1.png differ
diff --git a/images/map.ase b/images/map.ase
index 8985475..9f7deb3 100644
Binary files a/images/map.ase and b/images/map.ase differ
diff --git a/images/map.png b/images/map.png
index 58f01d7..cdaa5ac 100644
Binary files a/images/map.png and b/images/map.png differ
diff --git a/images/player.ase b/images/player.ase
index 51878b1..0a688d7 100644
Binary files a/images/player.ase and b/images/player.ase differ
diff --git a/images/player.png b/images/player.png
index f4ac194..03f2251 100644
Binary files a/images/player.png and b/images/player.png differ
diff --git a/images/popcorn.ase b/images/popcorn.ase
index a9da08c..1168e17 100644
Binary files a/images/popcorn.ase and b/images/popcorn.ase differ
diff --git a/images/popcorn.png b/images/popcorn.png
index ad843e9..25e8f0f 100644
Binary files a/images/popcorn.png and b/images/popcorn.png differ
diff --git a/images/turret.ase b/images/turret.ase
index 0cfe325..80601de 100644
Binary files a/images/turret.ase and b/images/turret.ase differ
diff --git a/images/turret.png b/images/turret.png
index 1e068f8..8da1a03 100644
Binary files a/images/turret.png and b/images/turret.png differ
diff --git a/level.tmx b/level.tmx
index 8c376b1..9bb5348 100644
--- a/level.tmx
+++ b/level.tmx
@@ -1,8 +1,34 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<map version="1.8" tiledversion="1.8.6" orientation="orthogonal" renderorder="right-down" width="15" height="40" tilewidth="16" tileheight="16" infinite="0" nextlayerid="6" nextobjectid="14">
+<map version="1.8" tiledversion="1.8.6" orientation="orthogonal" renderorder="right-down" width="15" height="80" tilewidth="16" tileheight="16" infinite="0" nextlayerid="8" nextobjectid="68">
  <tileset firstgid="1" source="tiles.tsx"/>
- <layer id="1" name="foreground" width="15" height="40">
+ <tileset firstgid="7" source="background.tsx"/>
+ <objectgroup id="7" name="background" visible="0" parallaxy="0.75">
+  <object id="14" gid="7" x="0" y="960" width="240" height="320"/>
+  <object id="15" gid="7" x="0" y="640" width="240" height="320"/>
+  <object id="16" gid="7" x="0" y="320" width="240" height="320"/>
+ </objectgroup>
+ <layer id="1" name="foreground" width="15" height="80">
   <data encoding="csv">
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
@@ -42,11 +68,51 @@
 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
 1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,
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-1,1,2,0,0,0,0,0,0,0,0,0,3,1,1
+1,1,2,0,0,0,0,0,0,0,0,0,3,1,1,
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
 </data>
  </layer>
- <layer id="5" name="collision" width="15" height="40">
+ <layer id="5" name="collision" width="15" height="80">
   <data encoding="csv">
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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 6,0,0,0,0,0,0,0,0,0,0,0,0,0,6,
@@ -86,13 +152,69 @@
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 </data>
  </layer>
  <objectgroup id="3" name="objects">
-  <object id="10" type="enemy-a" x="16" y="336" width="16" height="16"/>
-  <object id="11" type="enemy-a" x="192" y="336" width="16" height="16"/>
-  <object id="12" type="enemy-a" x="112" y="176" width="16" height="16"/>
-  <object id="13" type="enemy-a" x="112" y="0" width="16" height="16"/>
+  <object id="10" type="turret" x="16" y="656" width="16" height="16"/>
+  <object id="11" type="turret" x="192" y="656" width="16" height="16"/>
+  <object id="17" type="flyer0" x="96" y="320" width="16" height="16"/>
+  <object id="19" type="popcorn" x="144" y="416" width="16" height="16"/>
+  <object id="20" type="popcorn" x="144" y="448" width="16" height="16"/>
+  <object id="21" type="popcorn" x="144" y="480" width="16" height="16"/>
+  <object id="22" type="popcorn" x="128" y="512" width="16" height="16"/>
+  <object id="23" type="popcorn" x="112" y="544" width="16" height="16"/>
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+  <object id="67" type="popcorn" x="112" y="1008" width="16" height="16"/>
  </objectgroup>
 </map>
-- 
cgit v1.2.3