better way to prevent PROT in fusion

src/simulation/Simulation.cpp

@@ -2224,7 +2224,7 @@ int Simulation::try_move(int i, int x, int y, int nx, int ny)
 				part_change_type(i, x, y, PT_ELEC);
 				parts[i].ctype = 0;
 			}
-			else if ((r&0xFF) == PT_H2 && pv[y/CELL][x/CELL] < 45.0f && parts[i].temp < 3000)
+			else if ((r&0xFF) == PT_H2 && !(parts[i].tmp&0x1))
 			{
 				part_change_type(i, x, y, PT_PROT);
 				parts[i].ctype = 0;

src/simulation/elements/H2.cpp

@@ -111,6 +111,7 @@ int Element_H2::update(UPDATE_FUNC_ARGS)
 			{
 				parts[j].ctype = 0x7C0000;
 				parts[j].temp = temp;
+				parts[j].tmp = 0x1;
 			}
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PLSM);
 			if (j>-1)

src/simulation/elements/NBLE.cpp

@@ -72,6 +72,7 @@ int Element_NBLE::update(UPDATE_FUNC_ARGS)
 			{
 				parts[j].ctype = 0xF800000;
 				parts[j].temp = temp;
+				parts[j].tmp = 0x1;
 			}
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PLSM);
 			if (j != -1)

src/simulation/elements/O2.cpp

@@ -88,7 +88,10 @@ int Element_O2::update(UPDATE_FUNC_ARGS)
 				parts[j].temp = MAX_TEMP;
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PHOT);
 			if (j != -1)
+			{
 				parts[j].temp = MAX_TEMP;
+				parts[j].tmp = 0x1;
+			}
 			j = sim->create_part(-3,x+rand()%3-1,y+rand()%3-1,PT_PLSM);
 			if (j != -1)
 			{