Added CLST element, which is Clay dust, for making concrete with water. :D Neat due to element cohesion with itself, which causes it to sludge downwards in a way very uncharacteristic of any current powder. Cohesion is very easy to modify. Thanks to Savask for help with cohesion code. :D

1 files changed, 23 insertions, 0 deletions

diff --git a/src/elements/clst.c b/src/elements/clst.c
new file mode 100644
index 0000000..db0eb7c
--- /dev/null
+++ b/src/elements/clst.c
@@ -0,0 +1,23 @@
+#include <element.h>
+
+int update_CLST(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_WATR && 1>(rand()%1500))
+				{
+					part_change_type(i,x,y,PT_PSTS);					
+					kill_part(r>>8);
+				}
+				if ((r&0xFF)==PT_CLST)
+				{
+					parts[i].vx += 0.01*rx; parts[i].vy += 0.01*ry;
+				}
+			}
+	return 0;
+}