More function pointers.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/elements/fog.c b/src/elements/fog.c
new file mode 100644
index 0000000..59c432f
--- /dev/null
+++ b/src/elements/fog.c
@@ -0,0 +1,25 @@
+#include <powder.h>
+
+int update_FOG(UPDATE_FUNC_ARGS) {
+	int r;
+	if (parts[i].temp>=373.15)
+		parts[i].type = PT_WTRV;
+	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 (pstates[parts[r>>8].type].state==ST_SOLID&&5>=rand()%50&&parts[i].life==0&&!(parts[r>>8].type==PT_CLNE||parts[r>>8].type==PT_PCLN))
+				{
+					parts[i].type = PT_RIME;
+				}
+				if (parts[r>>8].type==PT_SPRK)
+				{
+					parts[i].life += rand()%20;
+				}
+			}
+	return 0;
+}