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

1 files changed, 74 insertions, 0 deletions

diff --git a/src/simulation/elements/SNOW.cpp b/src/simulation/elements/SNOW.cpp
new file mode 100644
index 0000000..4e592f7
--- /dev/null
+++ b/src/simulation/elements/SNOW.cpp
@@ -0,0 +1,74 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_SNOW PT_SNOW 16
+Element_SNOW::Element_SNOW()
+{
+    Identifier = "DEFAULT_PT_SNOW";
+    Name = "SNOW";
+    Colour = PIXPACK(0xC0E0FF);
+    MenuVisible = 1;
+    MenuSection = SC_POWDERS;
+    Enabled = 1;
+    
+    Advection = 0.7f;
+    AirDrag = 0.01f * CFDS;
+    AirLoss = 0.96f;
+    Loss = 0.90f;
+    Collision = -0.1f;
+    Gravity = 0.05f;
+    Diffusion = 0.01f;
+    HotAir = -0.00005f* CFDS;
+    Falldown = 1;
+    
+    Flammable = 0;
+    Explosive = 0;
+    Meltable = 0;
+    Hardness = 20;
+    
+    Weight = 50;
+    
+    Temperature = R_TEMP-30.0f+273.15f;
+    HeatConduct = 46;
+    Description = "Light particles.";
+    
+    State = ST_SOLID;
+    Properties = TYPE_PART|PROP_LIFE_DEC;
+    
+    LowPressure = IPL;
+    LowPressureTransition = NT;
+    HighPressure = IPH;
+    HighPressureTransition = NT;
+    LowTemperature = ITL;
+    LowTemperatureTransition = NT;
+    HighTemperature = 273.0f;
+    HighTemperatureTransition = ST;
+    
+    Update = &Element_SNOW::update;
+    
+}
+
+//#TPT-Directive ElementHeader Element_SNOW static int update(UPDATE_FUNC_ARGS)
+int Element_SNOW::update(UPDATE_FUNC_ARGS)
+ { //currently used for snow as well
+	int r, rx, ry;
+	if (parts[i].ctype==PT_FRZW)//get colder if it is from FRZW
+	{
+		parts[i].temp = restrict_flt(parts[i].temp-1.0f, MIN_TEMP, MAX_TEMP);
+	}
+	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_SALT || (r&0xFF)==PT_SLTW) && 1>(rand()%1000))
+				{
+					sim->part_change_type(i,x,y,PT_SLTW);
+					sim->part_change_type(r>>8,x+rx,y+ry,PT_SLTW);
+				}
+			}
+	return 0;
+}
+
+
+Element_SNOW::~Element_SNOW() {}