More function pointers.

1 files changed, 21 insertions, 0 deletions

diff --git a/src/elements/glow.c b/src/elements/glow.c
new file mode 100644
index 0000000..a4a1c57
--- /dev/null
+++ b/src/elements/glow.c
@@ -0,0 +1,21 @@
+#include <powder.h>
+
+int update_GLOW(UPDATE_FUNC_ARGS) {
+	int r;
+	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 && (nx || ny))
+			{
+				r = pmap[y+ny][x+nx];
+				if ((r>>8)>=NPART || !r)
+					continue;
+				if (parts[r>>8].type==PT_WATR&&5>(rand()%2000))
+				{
+					parts[i].type = PT_NONE;
+					parts[r>>8].type = PT_DEUT;
+					parts[r>>8].life = 10;
+				}
+			}
+
+	return 0;
+}