1 files changed, 75 insertions, 0 deletions
diff --git a/src/elements/coal.cpp b/src/elements/coal.cpp
new file mode 100644
index 0000000..256aa69
--- /dev/null
+++ b/src/elements/coal.cpp
@@ -0,0 +1,75 @@
+#include "element.h"
+
+int update_COAL(UPDATE_FUNC_ARGS) {
+	int r, rx, ry, trade, temp;
+	if (parts[i].life<=0) {
+		sim->create_part(i, x, y, PT_FIRE);
+		return 1;
+	} else if (parts[i].life < 100) {
+		parts[i].life--;
+		sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_FIRE);
+	}
+	if ((sim->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) {
+		sim->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)
+					continue;
+				if (((r&0xFF)==PT_FIRE || (r&0xFF)==PT_PLSM) && 1>(rand()%500))
+				{
+					if (parts[i].life>100) {
+						parts[i].life = 99;
+					}
+				}
+				if ((r&0xFF)==PT_LAVA && 1>(rand()%500))
+				{
+					if (parts[r>>8].ctype == PT_IRON) {
+						parts[r>>8].ctype = PT_METL;
+						sim->kill_part(i);
+						return 1;
+					}
+				}
+			}
+	/*if(100-parts[i].life > parts[i].tmp2)
+		parts[i].tmp2 = 100-parts[i].life;
+	if(parts[i].tmp2 < 0) parts[i].tmp2 = 0;
+	for ( trade = 0; trade<4; trade ++)
+	{
+		rx = rand()%5-2;
+		ry = rand()%5-2;
+		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 (((r&0xFF)==PT_COAL || (r&0xFF)==PT_BCOL)&&(parts[i].tmp2>parts[r>>8].tmp2)&&parts[i].tmp2>0)//diffusion
+			{
+				int temp = parts[i].tmp2 - parts[r>>8].tmp2;
+				if(temp < 10)
+					continue;
+				if (temp ==1)
+				{
+					parts[r>>8].tmp2 ++;
+					parts[i].tmp2 --;
+				}
+				else if (temp>0)
+				{
+					parts[r>>8].tmp2 += temp/2;
+					parts[i].tmp2 -= temp/2;
+				}
+			}
+		}
+	}*/
+	if(parts[i].temp > parts[i].tmp2)
+		parts[i].tmp2 = parts[i].temp;
+	return 0;
+}