2 files changed, 27 insertions, 0 deletions
diff --git a/src/elements/nbhl.c b/src/elements/nbhl.c
new file mode 100644
index 0000000..da0942d
--- /dev/null
+++ b/src/elements/nbhl.c
@@ -0,0 +1,21 @@
+#include <element.h>
+
+int update_NBHL(UPDATE_FUNC_ARGS) {
+	int r, rx, ry;
+	gravmap[y/CELL][x/CELL] += 0.1f;
+
+	for (rx=-2; rx<3; rx++)
+		for (ry=-2; ry<3; ry++)
+			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 || !r)
+					continue;
+				if ((r&0xFF)!=PT_NBHL)
+				{
+					if((r&0xFF)<PT_NUM && !(ptypes[(r&0xFF)].properties & TYPE_SOLID))
+						kill_part(r>>8);
+				}
+			}
+	return 0;
+}
diff --git a/src/elements/nwhl.c b/src/elements/nwhl.c
new file mode 100644
index 0000000..8515542
--- /dev/null
+++ b/src/elements/nwhl.c
@@ -0,0 +1,6 @@
+#include <element.h>
+
+int update_NWHL(UPDATE_FUNC_ARGS) {
+	gravmap[y/CELL][x/CELL] -= 0.1f;
+	return 0;
+}