1 files changed, 89 insertions, 0 deletions
diff --git a/src/elements/cbnw.cpp b/src/elements/cbnw.cpp
new file mode 100644
index 0000000..cf0c13e
--- /dev/null
+++ b/src/elements/cbnw.cpp
@@ -0,0 +1,89 @@
+#include "element.h"
+
+int update_CBNW(UPDATE_FUNC_ARGS) {
+	int r, rx, ry, oldt;
+	oldt = parts[i].tmp;
+    if (sim->pv[y/CELL][x/CELL]<=3)
+    {
+        if(20>(rand()%80000))
+    	{
+        	sim->part_change_type(i,x,y,PT_CO2);
+           	parts[i].ctype = 5;
+           	sim->pv[y/CELL][x/CELL] += 0.5f;
+        }
+        else if(sim->pv[y/CELL][x/CELL]<=-0.5)
+    	{
+        	sim->part_change_type(i,x,y,PT_CO2);
+           	parts[i].ctype = 5;
+           	sim->pv[y/CELL][x/CELL] += 0.5f;
+        }
+	}
+	if (parts[i].tmp>0)
+		parts[i].tmp--;
+	if(!(rand()%200))
+	{
+		parts[i].tmp2 = rand()%40;
+	} else if(parts[i].tmp2!=20) {
+		parts[i].tmp2 -= (parts[i].tmp2>20)?1:-1;
+	}
+	if(oldt==1)
+	{
+		//Explode
+		if(rand()%4)
+		{
+			sim->part_change_type(i,x,y,PT_CO2);
+           	parts[i].ctype = 5;
+           	sim->pv[y/CELL][x/CELL] += 0.2f;
+		}
+	}
+	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)
+					continue;
+				if ((sim->ptypes[r&0xFF].properties&TYPE_PART) && parts[i].tmp == 0 && 1>(rand()%250))
+				{
+					//Start explode
+					parts[i].tmp = rand()%25;//(rand()%100)+50;
+				}
+				else if((sim->ptypes[r&0xFF].properties&TYPE_SOLID) && (r&0xFF)!=PT_DMND && (r&0xFF)!=PT_GLAS && parts[i].tmp == 0 && (2-sim->pv[y/CELL][x/CELL])>(rand()%20000))
+				{
+					if(rand()%2)
+					{
+						sim->part_change_type(i,x,y,PT_CO2);
+                       	parts[i].ctype = 5;
+                       	sim->pv[y/CELL][x/CELL] += 0.2f;
+					}
+				}
+				if ((r&0xFF)==PT_CBNW)
+				{
+					if(!parts[i].tmp && parts[r>>8].tmp)
+					{
+						parts[i].tmp = parts[r>>8].tmp;
+						if((r>>8)>i) //If the other particle hasn't been life updated
+							parts[i].tmp--;
+					}
+					else if(parts[i].tmp && !parts[r>>8].tmp)
+					{
+						parts[r>>8].tmp = parts[i].tmp;
+						if((r>>8)>i) //If the other particle hasn't been life updated
+							parts[r>>8].tmp++;
+					}
+				}
+				if (((r&0xFF)==PT_RBDM||(r&0xFF)==PT_LRBD) && (sim->legacy_enable||parts[i].temp>(273.15f+12.0f)) && 1>(rand()%500))
+				{
+					sim->part_change_type(i,x,y,PT_FIRE);
+					parts[i].life = 4;
+				}
+				if ((r&0xFF)==PT_FIRE){
+					sim->kill_part(r>>8);
+						if(1>(rand()%150)){
+							sim->kill_part(i);
+							return 1;
+						}
+				}
+			}
+	return 0;
+}