1 files changed, 37 insertions, 0 deletions
diff --git a/src/elements/acid.c b/src/elements/acid.c
new file mode 100644
index 0000000..3d9f7b0
--- /dev/null
+++ b/src/elements/acid.c
@@ -0,0 +1,37 @@
+#include <element.h>
+
+int update_ACID(UPDATE_FUNC_ARGS) {
+	int r,rx,ry;
+	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_ACID)
+				{
+					if ((r&0xFF)==PT_PLEX || (r&0xFF)==PT_NITR || (r&0xFF)==PT_GUNP || (r&0xFF)==PT_RBDM || (r&0xFF)==PT_LRBD)
+					{
+						part_change_type(i,x,y,PT_FIRE);
+						part_change_type(r>>8,x+rx,y+ry,PT_FIRE);
+						parts[i].life = 4;
+						parts[r>>8].life = 4;
+					}
+					else if (((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN && ptypes[r&0xFF].hardness>(rand()%1000))&&parts[i].life>=50)
+					{
+						if (parts_avg(i, r>>8,PT_GLAS)!= PT_GLAS)
+						{
+							parts[i].life--;
+							kill_part(r>>8);
+						}
+					}
+					else if (parts[i].life<=50)
+					{
+						kill_part(i);
+						return 1;
+					}
+				}
+			}
+	return 0;
+}