write a function that outputs a dot graph of the jak 2 tasks (#1932)

goal_src/jak2/examples/debug-jak2.gc

@@ -244,4 +244,84 @@
                                      )
                               )
     proc)
-  )
+  )
+
+(defun levelname->x11-color ((name symbol))
+  (case name
+    (('city) "khaki")
+    (('fortress) "salmon")
+    (('stadium) "yellow")
+    (('palace) "hotpink")
+    (('castle) "gray")
+    (('ruins) "darkkhaki")
+    (('atoll) "gold")
+    (('sewer) "turquoise")
+    (('strip) "white")
+    (('mountain) "tan")
+    (('forest) "limegreen")
+    (('drill) "seagreen")
+    (('tomb) "chartreuse")
+    (('dig) "orange")
+    (('canyon) "#008B8B")
+    (('consite) "#90EE90")
+    (('under) "dodgerblue")
+    (('nest) "violet")
+    (('default) "white")
+    (('test) "purple")
+    (else "magenta")
+    )
+  )
+
+(defun print-task-node-tree-graphviz ()
+  
+  (format #t "digraph G {~%")
+  (format #t "  node [style=filled shape=ellipse]~%~%")
+  (let ((game-tasks (-> *game-info* play-list)))
+    (dotimes (t (-> game-tasks length))
+      (let ((task (-> game-tasks t)))
+        (format #t "  subgraph cluster_task_~D {~%" t)
+        (format #t "    label = ~A;~%" (-> task name))
+        (format #t "    style = filled;~%")
+        (format #t "    fontsize = \"25pt\";~%")
+        (cond
+          ((and (>= t (game-task fortress-escape))
+                (<= t (game-task nest-boss))
+                (!= t (game-task city-blue-gun-training))
+                (!= t (game-task city-dark-gun-training)))
+            (format #t "    fillcolor = lightgray;~%")
+            )
+          ((and (>= t (game-task city-burning-bush-ring-1))
+                (<= t (game-task stadium-burning-bush-race-class1-r)))
+            (format #t "    fillcolor = pink;~%")
+            )
+          (else
+            (format #t "    fillcolor = lightyellow;~%")
+            )
+          )
+        (let ((game-nodes (-> *game-info* sub-task-list)))
+          (dotimes (i (-> game-nodes length))
+            (let ((node (-> game-nodes i)))
+              (when (= t (-> node task))
+                ;; iterate through parents
+                (dotimes (ii 4)
+                  (when (!= (game-task-node none) (-> node parent-node ii))
+                    (format #t "    ~A -> ~A;~%" (game-task-node->string (-> node parent-node ii)) (-> node name))
+                    )
+                  )
+                (format #t "    ~A [fillcolor=~A shape=~S];~%" (-> node name) (levelname->x11-color (-> node level))
+                                                               (cond
+                                                                ((logtest? (-> node flags) (game-task-node-flag close-task))
+                                                                  "oval")
+                                                                (else
+                                                                  "box")))
+                )
+              )
+            )
+          (format #t "  }~%")
+          )
+        )
+      )
+    )
+  (format #t "}~%")
+  0)
+