Merge branch 'master' of github.com:FacialTurd/PowderToypp

1 files changed, 201 insertions, 0 deletions

diff --git a/src/simulation/elements/FIRE.cpp b/src/simulation/elements/FIRE.cpp
new file mode 100644
index 0000000..f9313fa
--- /dev/null
+++ b/src/simulation/elements/FIRE.cpp
@@ -0,0 +1,201 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_FIRE PT_FIRE 4
+Element_FIRE::Element_FIRE()
+{
+    Identifier = "DEFAULT_PT_FIRE";
+    Name = "FIRE";
+    Colour = PIXPACK(0xFF1000);
+    MenuVisible = 1;
+    MenuSection = SC_EXPLOSIVE;
+    Enabled = 1;
+    
+    Advection = 0.9f;
+    AirDrag = 0.04f * CFDS;
+    AirLoss = 0.97f;
+    Loss = 0.20f;
+    Collision = 0.0f;
+    Gravity = -0.1f;
+    Diffusion = 0.00f;
+    HotAir = 0.001f  * CFDS;
+    Falldown = 1;
+    
+    Flammable = 0;
+    Explosive = 0;
+    Meltable = 0;
+    Hardness = 1;
+    
+    Weight = 2;
+    
+    Temperature = R_TEMP+400.0f+273.15f;
+    HeatConduct = 88;
+    Description = "Ignites flammable materials. Heats air.";
+    
+    State = ST_GAS;
+    Properties = TYPE_GAS|PROP_LIFE_DEC|PROP_LIFE_KILL;
+    
+    LowPressure = IPL;
+    LowPressureTransition = NT;
+    HighPressure = IPH;
+    HighPressureTransition = NT;
+    LowTemperature = ITL;
+    LowTemperatureTransition = NT;
+    HighTemperature = 2773.0f;
+    HighTemperatureTransition = PT_PLSM;
+    
+    Update = &Element_FIRE::update;
+    Graphics = &Element_FIRE::graphics;
+}
+
+//#TPT-Directive ElementHeader Element_FIRE static int update(UPDATE_FUNC_ARGS)
+int Element_FIRE::update(UPDATE_FUNC_ARGS)
+ {
+	int r, rx, ry, rt, t = parts[i].type;
+	if (t==PT_PLSM&&parts[i].ctype == PT_NBLE&&parts[i].life <=1)
+	{
+		t = PT_NBLE;
+		sim->part_change_type(i,x,y,t);
+		parts[i].life = 0;
+	}
+	if(t==PT_FIRE && parts[i].life <=1)
+	{
+		if ((parts[i].tmp&0x3) == 3){
+			t = PT_DSTW;
+			sim->part_change_type(i,x,y,t);
+			parts[i].life = 0;
+			parts[i].ctype = PT_FIRE;
+		}
+		else if (parts[i].temp<625)
+		{
+			t = PT_SMKE;
+			sim->part_change_type(i,x,y,t);
+			parts[i].life = rand()%20+250;
+		}
+	}
+	if(t==PT_PLSM && parts[i].life <=1)
+	{
+		if ((parts[i].tmp&0x3) == 3){
+			t = PT_DSTW;
+			sim->part_change_type(i,x,y,t);
+			parts[i].life = 0;
+			parts[i].ctype = PT_FIRE;
+		}
+	}
+	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->bmap[(y+ry)/CELL][(x+rx)/CELL] && sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_STREAM)
+					continue;
+				rt = parts[r>>8].type;
+				if ((surround_space || sim->elements[rt].Explosive) &&
+					(t!=PT_SPRK || (rt!=PT_RBDM && rt!=PT_LRBD && rt!=PT_INSL)) &&
+					(t!=PT_PHOT || rt!=PT_INSL) &&
+				    (rt!=PT_SPNG || parts[r>>8].life==0) &&
+				    sim->elements[rt].Flammable && (sim->elements[rt].Flammable + (int)(sim->pv[(y+ry)/CELL][(x+rx)/CELL]*10.0f))>(rand()%1000))
+				{
+					sim->part_change_type(r>>8,x+rx,y+ry,PT_FIRE);
+					parts[r>>8].temp = restrict_flt(sim->elements[PT_FIRE].Temperature + (sim->elements[rt].Flammable/2), MIN_TEMP, MAX_TEMP);
+					parts[r>>8].life = rand()%80+180;
+					parts[r>>8].tmp = parts[r>>8].ctype = 0;
+					if (sim->elements[rt].Explosive)
+						sim->pv[y/CELL][x/CELL] += 0.25f * CFDS;
+				}
+			}
+	if (sim->legacy_enable) updateLegacy(UPDATE_FUNC_SUBCALL_ARGS);
+	return 0;
+}
+
+//#TPT-Directive ElementHeader Element_FIRE static int updateLegacy(UPDATE_FUNC_ARGS)
+int Element_FIRE::updateLegacy(UPDATE_FUNC_ARGS) {
+	int r, rx, ry, rt, lpv, t = parts[i].type;
+	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->bmap[(y+ry)/CELL][(x+rx)/CELL] && sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_STREAM)
+					continue;
+				rt = r&0xFF;
+				lpv = (int)sim->pv[(y+ry)/CELL][(x+rx)/CELL];
+				if (lpv < 1) lpv = 1;
+				if (t!=PT_SPRK && sim->elements[rt].Meltable  && ((rt!=PT_RBDM && rt!=PT_LRBD) || t!=PT_SPRK) && ((t!=PT_FIRE&&t!=PT_PLSM) || (rt!=PT_METL && rt!=PT_IRON && rt!=PT_ETRD && rt!=PT_PSCN && rt!=PT_NSCN && rt!=PT_NTCT && rt!=PT_PTCT && rt!=PT_BMTL && rt!=PT_BRMT && rt!=PT_SALT && rt!=PT_INWR)) &&
+						sim->elements[rt].Meltable*lpv>(rand()%1000))
+				{
+					if (t!=PT_LAVA || parts[i].life>0)
+					{
+						parts[r>>8].ctype = (rt==PT_BRMT)?PT_BMTL:parts[r>>8].type;
+						parts[r>>8].ctype = (parts[r>>8].ctype==PT_SAND)?PT_GLAS:parts[r>>8].ctype;
+						sim->part_change_type(r>>8,x+rx,y+ry,PT_LAVA);
+						parts[r>>8].life = rand()%120+240;
+					}
+					else
+					{
+						parts[i].life = 0;
+						t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
+						parts[i].ctype = PT_NONE;//rt;
+						sim->part_change_type(i,x,y,t);
+						return 1;
+					}
+				}
+				if (t!=PT_SPRK && (rt==PT_ICEI || rt==PT_SNOW))
+				{
+					parts[r>>8].type = PT_WATR;
+					if (t==PT_FIRE)
+					{
+						sim->kill_part(i);
+						return 1;
+					}
+					if (t==PT_LAVA)
+					{
+						parts[i].life = 0;
+						t = parts[i].type = PT_STNE;
+						sim->part_change_type(i,x,y,t);
+					}
+				}
+				if (t!=PT_SPRK && (rt==PT_WATR || rt==PT_DSTW || rt==PT_SLTW))
+				{
+					sim->kill_part(r>>8);
+					if (t==PT_FIRE)
+					{
+						sim->kill_part(i);
+						return 1;
+					}
+					if (t==PT_LAVA)
+					{
+						parts[i].life = 0;
+						t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
+						parts[i].ctype = PT_NONE;
+						sim->part_change_type(i,x,y,t);
+					}
+				}
+			}
+	return 0;
+}
+
+
+//#TPT-Directive ElementHeader Element_FIRE static int graphics(GRAPHICS_FUNC_ARGS)
+int Element_FIRE::graphics(GRAPHICS_FUNC_ARGS)
+
+{
+	int caddress = restrict_flt(restrict_flt((float)cpart->life, 0.0f, 200.0f)*3, 0.0f, (200.0f*3)-3);
+	*colr = (unsigned char)ren->flm_data[caddress];
+	*colg = (unsigned char)ren->flm_data[caddress+1];
+	*colb = (unsigned char)ren->flm_data[caddress+2];
+	
+	*firea = 255;
+	*firer = *colr;
+	*fireg = *colg;
+	*fireb = *colb;
+	
+	*pixel_mode = PMODE_NONE; //Clear default, don't draw pixel
+	*pixel_mode |= FIRE_ADD;
+	//Returning 0 means dynamic, do not cache
+	return 0;
+}
+
+Element_FIRE::~Element_FIRE() {}
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