[collision] add notes on -h files, add some enums (#1068)

* temp

* add enums

test/decompiler/reference/levels/common/joint-exploder_REF.gc

@@ -500,7 +500,13 @@
 ;; definition for method 22 of type joint-exploder
 ;; Used lq/sq
 (defmethod TODO-RENAME-22 joint-exploder ((obj joint-exploder) (arg0 joint-exploder-list))
-  (dummy-13 *collide-cache* (-> arg0 bbox) (the-as uint 1) obj (the-as uint 1))
+  (dummy-13
+    *collide-cache*
+    (-> arg0 bbox)
+    (collide-kind background)
+    obj
+    (new 'static 'pat-surface :skip #x1 :noentity #x1)
+    )
   (let ((gp-1 (-> obj joints))
         (v1-2 (-> arg0 head))
         )
@@ -511,7 +517,7 @@
               (s3-0 (new 'stack-no-clear 'collide-tri-result))
               )
           (vector-! a2-1 s4-0 (-> s5-1 prev-pos))
-          (when (>= (dummy-18 *collide-cache* (-> s5-1 prev-pos) a2-1 40.96 1 s3-0 1) 0.0)
+          (when (>= (dummy-18 *collide-cache* (-> s5-1 prev-pos) a2-1 40.96 (collide-kind background) s3-0 1) 0.0)
             (set! (-> s4-0 quad) (-> s3-0 intersect quad))
             (let ((f28-0 (vector-xz-length (-> s5-1 transv))))
               (vector-reflect! (-> s5-1 transv) (-> s5-1 transv) (-> s3-0 normal))