More function pointers.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/elements/vine.c b/src/elements/vine.c
new file mode 100644
index 0000000..3932263
--- /dev/null
+++ b/src/elements/vine.c
@@ -0,0 +1,23 @@
+#include <powder.h>
+
+int update_VINE(UPDATE_FUNC_ARGS) {
+	int r;
+	nx=(rand()%3)-1;
+	ny=(rand()%3)-1;
+	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)
+			return 1;
+		if (1>rand()%15)
+			parts[i].type=PT_PLNT;
+		else if (!r)
+		{
+			create_part(-1,x+nx,y+ny,PT_VINE);
+			parts[pmap[y+ny][x+nx]>>8].temp = parts[i].temp;
+			parts[i].type=PT_PLNT;
+		}
+	}
+	return 0;
+}