1 files changed, 23 insertions, 0 deletions
diff --git a/src/elements/bcln.c b/src/elements/bcln.c
new file mode 100644
index 0000000..41418cf
--- /dev/null
+++ b/src/elements/bcln.c
@@ -0,0 +1,23 @@
+#include <powder.h>
+
+int update_BCLN(UPDATE_FUNC_ARGS) {
+	if (!parts[i].ctype)
+	{
+		for (nx=-1; nx<2; nx++)
+			for (ny=-1; ny<2; ny++)
+				if (x+nx>=0 && y+ny>0 &&
+				        x+nx<XRES && y+ny<YRES &&
+				        pmap[y+ny][x+nx] &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_CLNE &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_BCLN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_PCLN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_STKM &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_STKM2 &&
+				        (pmap[y+ny][x+nx]&0xFF)!=0xFF)
+					parts[i].ctype = pmap[y+ny][x+nx]&0xFF;
+	}
+	else {
+		create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
+	}
+	return 0;
+}