1 files changed, 35 insertions, 0 deletions
diff --git a/src/elements/coal.c b/src/elements/coal.c
new file mode 100644
index 0000000..3cc68e3
--- /dev/null
+++ b/src/elements/coal.c
@@ -0,0 +1,35 @@
+#include <element.h>
+
+int update_COAL(UPDATE_FUNC_ARGS) {
+	int r, rx, ry;
+	if (parts[i].life<=0) {
+		create_part(i, x, y, PT_FIRE);
+		return 1;
+	} else if (parts[i].life < 100) {
+		parts[i].life--;
+		create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_FIRE);
+	}
+	if ((pv[y/CELL][x/CELL] > 4.3f)&&parts[i].tmp>40)
+		parts[i].tmp=39;
+	else if (parts[i].tmp<40&&parts[i].tmp>0)
+		parts[i].tmp--;
+	else if (parts[i].tmp<=0) {
+		create_part(i, x, y, PT_BCOL);
+		return 1;
+	}
+	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_FIRE || (r&0xFF)==PT_PLSM) && 1>(rand()%500))
+				{
+					if (parts[i].life>100) {
+						parts[i].life = 99;
+					}
+				}
+			}
+	return 0;
+}