1 files changed, 21 insertions, 0 deletions
diff --git a/src/elements/vine.c b/src/elements/vine.c
new file mode 100644
index 0000000..28b97d5
--- /dev/null
+++ b/src/elements/vine.c
@@ -0,0 +1,21 @@
+#include <element.h>
+
+int update_VINE(UPDATE_FUNC_ARGS) {
+	int r, np, rx =(rand()%3)-1, ry=(rand()%3)-1;
+	if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
+	{
+		r = pmap[y+ry][x+rx];
+		if ((r>>8)>=NPART)
+			return 0;
+		if (1>rand()%15)
+			part_change_type(i,x,y,PT_PLNT);
+		else if (!r)
+		{
+			np = create_part(-1,x+rx,y+ry,PT_VINE);
+			if (np<0) return 0;
+			parts[np].temp = parts[i].temp;
+			part_change_type(i,x,y,PT_PLNT);
+		}
+	}
+	return 0;
+}