FireballChain OK, start documenting

src/object/fireballChain.c

@@ -0,0 +1,41 @@
+#define NENT_DEPRECATED
+#include "global.h"
+#include "entity.h"
+#include "functions.h"
+#include "projectile.h"
+#include "projectile/winder.h"
+
+void FireballChain(Entity* thisx) {
+    WinderEntity* newSegment;
+    Entity* parent;
+    Entity* child;
+    s32 i;
+    s32 j;
+
+    if (gEntCount > 0x42) {
+        return;
+    }
+
+    for (i = 0; i < 5; i++) {
+        u16* tmp;
+
+        newSegment = (WinderEntity*)CreateProjectile(WINDER);
+        if (i == 0) {
+            child = parent = &newSegment->base;
+        }
+
+        newSegment->base.type = i;
+        newSegment->base.parent = parent;
+        newSegment->base.child = child;
+        CopyPosition(thisx, &newSegment->base);
+
+        for (j = 0, tmp = newSegment->positions; j < WINDER_NUM_SEGMENTS; j++) {
+            *tmp++ = thisx->x.HALF.HI;
+            *tmp++ = thisx->y.HALF.HI;
+        }
+
+        child = &newSegment->base;
+    }
+
+    DeleteThisEntity();
+}