diff --git a/includes/powder.h b/includes/powder.h
index 66a606d29..55dbd4115 100644
--- a/includes/powder.h
+++ b/includes/powder.h
@@ -491,6 +491,7 @@ typedef struct part_transition part_transition;
 
 // TODO: falldown, properties, state - should at least one of these be removed?
 extern part_type ptypes[PT_NUM];
+extern unsigned int platent[PT_NUM];
 
 // temporarily define abbreviations for impossible p/t values
 #define IPL -257.0f
diff --git a/src/elementdata.c b/src/elementdata.c
index 308b2cde0..08306f7c9 100644
--- a/src/elementdata.c
+++ b/src/elementdata.c
@@ -352,6 +352,173 @@ part_transition ptransitions[PT_NUM] =
 	/* FRAY */ {IPL,	NT,			IPH,	NT,			ITL,	NT,			ITH,	NT},
 	/* REPL */ {IPL,	NT,			IPH,	NT,			ITL,	NT,			ITH,	NT},
 };
+
+// This is an enthalpy values table, converted into TPT imaginary units
+// table value is - 750/226*enthalpy value of the material
+unsigned int platent[PT_NUM] =
+{
+	/* NONE */ 0,
+	/* DUST */ 0,
+	/* WATR */ 7500,
+	/* OIL  */ 0,
+	/* FIRE */ 0,
+	/* STNE */ 0,
+	/* LAVA */ 0,
+	/* GUN  */ 0,
+	/* NITR */ 0,
+	/* CLNE */ 0,
+	/* GAS  */ 0,
+	/* C-4  */ 0,
+	/* GOO  */ 0,
+	/* ICE  */ 1095,
+	/* METL */ 919,
+	/* SPRK */ 0,
+	/* SNOW */ 1095,
+	/* WOOD */ 0,
+	/* NEUT */ 0,
+	/* PLUT */ 0,
+	/* PLNT */ 0,
+	/* ACID */ 0,
+	/* VOID */ 0,
+	/* WTRV */ 0,
+	/* CNCT */ 0,
+	/* DSTW */ 7500,
+	/* SALT */ 0,
+	/* SLTW */ 7500,
+	/* DMND */ 0,
+	/* BMTL */ 0,
+	/* BRMT */ 0,
+	/* PHOT */ 0,
+	/* URAN */ 0,
+	/* WAX  */ 0,
+	/* MWAX */ 0,
+	/* PSCN */ 0,
+	/* NSCN */ 0,
+	/* LN2  */ 0,
+	/* INSL */ 0,
+	/* VACU */ 0,
+	/* VENT */ 0,
+	/* RBDM */ 0,
+	/* LRBD */ 0,
+	/* NTCT */ 0,
+	/* SAND */ 0,
+	/* GLAS */ 0,
+	/* PTCT */ 0,
+	/* BGLA */ 0,
+	/* THDR */ 0,
+	/* PLSM */ 0,
+	/* ETRD */ 0,
+	/* NICE */ 0,
+	/* NBLE */ 0,
+	/* BTRY */ 0,
+	/* LCRY */ 0,
+	/* STKM */ 0,
+	/* SWCH */ 0,
+	/* SMKE */ 0,
+	/* DESL */ 0,
+	/* COAL */ 0,
+	/* LO2  */ 0,
+	/* O2   */ 0,
+	/* INWR */ 0,
+	/* YEST */ 0,
+	/* DYST */ 0,
+	/* THRM */ 0,
+	/* GLOW */ 0,
+	/* BRCK */ 0,
+	/* CFLM */ 0,
+	/* FIRW */ 0,
+	/* FUSE */ 0,
+	/* FSEP */ 0,
+	/* AMTR */ 0,
+	/* BCOL */ 0,
+	/* PCLN */ 0,
+	/* HSWC */ 0,
+	/* IRON */ 0,
+	/* MORT */ 0,
+	/* LIFE */ 0,
+	/* DLAY */ 0,
+	/* CO2  */ 0,
+	/* DRIC */ 0,
+	/* CBNW */ 7500,
+	/* STOR */ 0,
+	/* STOR */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* SPNG */ 0,
+	/* RIME */ 0,
+	/* FOG  */ 0,
+	/* BCLN */ 0,
+	/* LOVE */ 0,
+	/* DEUT */ 0,
+	/* WARP */ 0,
+	/* PUMP */ 0,
+	/* FWRK */ 0,
+	/* PIPE */ 0,
+	/* FRZZ */ 0,
+	/* FRZW */ 0,
+	/* GRAV */ 0,
+	/* BIZR */ 0,
+	/* BIZRG*/ 0,
+	/* BIZRS*/ 0,
+	/* INST */ 0,
+	/* ISOZ */ 0,
+	/* ISZS */ 0,
+	/* PRTI */ 0,
+	/* PRTO */ 0,
+	/* PSTE */ 0,
+	/* PSTS */ 0,
+	/* ANAR */ 0,
+	/* VINE */ 0,
+	/* INVS */ 0,
+	/* EQVE */ 0,
+	/* SPWN2*/ 0,
+	/* SPAWN*/ 0,
+	/* SHLD1*/ 0,
+	/* SHLD2*/ 0,
+	/* SHLD3*/ 0,
+	/* SHLD4*/ 0,
+	/* LOlZ */ 0,
+	/* WIFI */ 0,
+	/* FILT */ 0,
+	/* ARAY */ 0,
+	/* BRAY */ 0,
+	/* STKM2*/ 0,
+	/* BOMB */ 0,
+	/* C-5  */ 0,
+	/* SING */ 0,
+	/* QRTZ */ 0,
+	/* PQRT */ 0,
+	/* EMP  */ 0,
+	/* BREL */ 0,
+	/* ELEC */ 0,
+	/* ACEL */ 0,
+	/* DCEL */ 0,
+	/* TNT  */ 0,
+	/* IGNP */ 0,
+	/* BOYL */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* FREE */ 0,
+	/* WIND */ 0,
+	/* H2   */ 0,
+	/* SOAP */ 0,
+	/* NBHL */ 0,
+	/* NWHL */ 0,
+	/* MERC */ 0,
+	/* PBCN */ 0,
+	/* GPMP */ 0,
+	/* CLST */ 0,
+	/* WIRE */ 0,
+	/* GBMB */ 0,
+	/* FIGH */ 0,
+	/* FRAY */ 0,
+	/* REPL */ 0,
+};
 #undef IPL
 #undef IPH
 #undef ITL
diff --git a/src/powder.c b/src/powder.c
index 67a16f8ef..187a0d93a 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -1904,15 +1904,18 @@ void update_particles_i(pixel *vid, int start, int inc)
 						pt = (c_heat+parts[i].temp*96.645)/(c_Cm+96.645);
 					else
 						pt = (c_heat+parts[i].temp*96.645/ptypes[t].hconduct*fabs(ptypes[t].weight))/(c_Cm+96.645/ptypes[t].hconduct*fabs(ptypes[t].weight));
-					
+
+					c_heat += parts[i].temp*96.645/ptypes[t].hconduct*fabs(ptypes[t].weight);
+					c_Cm += 96.645/ptypes[t].hconduct*fabs(ptypes[t].weight);
+					parts[i].temp = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
 #else
 					pt = (c_heat+parts[i].temp)/(h_count+1);
-#endif
 					pt = parts[i].temp = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
 					for (j=0; j<8; j++)
 					{
 						parts[surround_hconduct[j]].temp = pt;
 					}
+#endif
 
 					ctemph = ctempl = pt;
 					// change boiling point with pressure
@@ -1925,29 +1928,93 @@ void update_particles_i(pixel *vid, int start, int inc)
 					s = 1;
 					if (ctemph>ptransitions[t].thv&&ptransitions[t].tht>-1) {
 						// particle type change due to high temperature
+#ifdef REALISTIC
+						float dbt = ctempl - pt;
+						if (ptransitions[t].tht!=PT_NUM)
+						{
+							if (platent[t] <= (c_heat - (ptransitions[t].thv - dbt)*c_Cm))
+							{
+								pt = (c_heat - platent[t])/c_Cm;
+								t = ptransitions[t].tht;
+							}
+							else
+							{
+								parts[i].temp = restrict_flt(ptransitions[t].thv - dbt, MIN_TEMP, MAX_TEMP);
+								s = 0;
+							}
+						}
+#else
 						if (ptransitions[t].tht!=PT_NUM)
 							t = ptransitions[t].tht;
+#endif
 						else if (t==PT_ICEI) {
-							if (parts[i].ctype>0&&parts[i].ctype<PT_NUM&&parts[i].ctype!=PT_ICEI) {
+							if (parts[i].ctype<PT_NUM&&parts[i].ctype!=PT_ICEI) {
 								if (ptransitions[parts[i].ctype].tlt==PT_ICEI&&pt<=ptransitions[parts[i].ctype].tlv) s = 0;
 								else {
+#ifdef REALISTIC
+									//One ice table value for all it's kinds
+									if (platent[t] <= (c_heat - (ptransitions[parts[i].ctype].tlv - dbt)*c_Cm))
+									{
+										pt = (c_heat - platent[t])/c_Cm;
+										t = parts[i].ctype;
+										parts[i].ctype = PT_NONE;
+										parts[i].life = 0;
+									}
+									else
+									{
+										parts[i].temp = restrict_flt(ptransitions[parts[i].ctype].tlv - dbt, MIN_TEMP, MAX_TEMP);
+										s = 0;
+									}
+#else
 									t = parts[i].ctype;
 									parts[i].ctype = PT_NONE;
 									parts[i].life = 0;
+#endif
 								}
 							}
-							else if (pt>274.0f) t = PT_WATR;
 							else s = 0;
 						}
 						else if (t==PT_SLTW) {
+#ifdef REALISTIC
+							if (platent[t] <= (c_heat - (ptransitions[t].thv - dbt)*c_Cm))
+							{
+								pt = (c_heat - platent[t])/c_Cm;
+
+								if (1>rand()%6) t = PT_SALT;
+								else t = PT_WTRV;
+							}
+							else
+							{
+								parts[i].temp = restrict_flt(ptransitions[t].thv - dbt, MIN_TEMP, MAX_TEMP);
+								s = 0;
+							}
+#else
 							if (1>rand()%6) t = PT_SALT;
 							else t = PT_WTRV;
+#endif
 						}
 						else s = 0;
 					} else if (ctempl<ptransitions[t].tlv&&ptransitions[t].tlt>-1) {
 						// particle type change due to low temperature
+#ifdef REALISTIC
+						float dbt = ctempl - pt;
+						if (ptransitions[t].tlt!=PT_NUM)
+						{
+							if (platent[ptransitions[t].tlt] >= (c_heat - (ptransitions[t].tlv - dbt)*c_Cm))
+							{
+								pt = (c_heat + platent[ptransitions[t].tlt])/c_Cm;
+								t = ptransitions[t].tlt;
+							}
+							else
+							{
+								parts[i].temp = restrict_flt(ptransitions[t].tlv - dbt, MIN_TEMP, MAX_TEMP);
+								s = 0;
+							}
+						}
+#else
 						if (ptransitions[t].tlt!=PT_NUM)
 							t = ptransitions[t].tlt;
+#endif
 						else if (t==PT_WTRV) {
 							if (pt<273.0f) t = PT_RIME;
 							else t = PT_DSTW;
@@ -1979,6 +2046,13 @@ void update_particles_i(pixel *vid, int start, int inc)
 						else s = 0;
 					}
 					else s = 0;
+#ifdef REALISTIC
+					pt = restrict_flt(pt, MIN_TEMP, MAX_TEMP);
+					for (j=0; j<8; j++)
+					{
+						parts[surround_hconduct[j]].temp = pt;
+					}
+#endif
 					if (s) { // particle type change occurred
 						if (t==PT_ICEI||t==PT_LAVA)
 							parts[i].ctype = parts[i].type;