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

1 files changed, 120 insertions, 0 deletions

diff --git a/src/simulation/elements/FWRK.cpp b/src/simulation/elements/FWRK.cpp
new file mode 100644
index 0000000..f05db69
--- /dev/null
+++ b/src/simulation/elements/FWRK.cpp
@@ -0,0 +1,120 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_FWRK PT_FWRK 98
+Element_FWRK::Element_FWRK()
+{
+    Identifier = "DEFAULT_PT_FWRK";
+    Name = "FWRK";
+    Colour = PIXPACK(0x666666);
+    MenuVisible = 1;
+    MenuSection = SC_EXPLOSIVE;
+    Enabled = 1;
+    
+    Advection = 0.4f;
+    AirDrag = 0.01f * CFDS;
+    AirLoss = 0.99f;
+    Loss = 0.95f;
+    Collision = 0.0f;
+    Gravity = 0.4f;
+    Diffusion = 0.00f;
+    HotAir = 0.000f	* CFDS;
+    Falldown = 1;
+    
+    Flammable = 0;
+    Explosive = 0;
+    Meltable = 0;
+    Hardness = 1;
+    
+    Weight = 97;
+    
+    Temperature = R_TEMP+0.0f	+273.15f;
+    HeatConduct = 100;
+    Description = "First fireworks made, activated by heat/neutrons.";
+    
+    State = ST_SOLID;
+    Properties = TYPE_PART|PROP_LIFE_DEC;
+    
+    LowPressure = IPL;
+    LowPressureTransition = NT;
+    HighPressure = IPH;
+    HighPressureTransition = NT;
+    LowTemperature = ITL;
+    LowTemperatureTransition = NT;
+    HighTemperature = ITH;
+    HighTemperatureTransition = NT;
+    
+    Update = &Element_FWRK::update;
+    
+}
+
+//#TPT-Directive ElementHeader Element_FWRK static int update(UPDATE_FUNC_ARGS)
+int Element_FWRK::update(UPDATE_FUNC_ARGS)
+ {
+	int r, rx, ry, np;
+	if (parts[i].life==0 && ((parts[i].temp>400&&(9+parts[i].temp/40)>rand()%100000&&surround_space)||parts[i].ctype==PT_DUST))
+	{
+		float gx, gy, multiplier, gmax;
+		int randTmp;
+		sim->GetGravityField(x, y, sim->elements[PT_FWRK].Gravity, 1.0f, gx, gy);
+		if (gx*gx+gy*gy < 0.001f)
+		{
+			float angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
+			gx += sinf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
+			gy += cosf(angle)*sim->elements[PT_FWRK].Gravity*0.5f;
+		}
+		gmax = std::max(fabsf(gx), fabsf(gy));
+		if (sim->eval_move(PT_FWRK, (int)(x-(gx/gmax)+0.5f), (int)(y-(gy/gmax)+0.5f), NULL))
+		{
+			multiplier = 15.0f/sqrtf(gx*gx+gy*gy);
+
+			//Some variation in speed parallel to gravity direction
+			randTmp = (rand()%200)-100;
+			gx += gx*randTmp*0.002f;
+			gy += gy*randTmp*0.002f;
+			//and a bit more variation in speed perpendicular to gravity direction
+			randTmp = (rand()%200)-100;
+			gx += -gy*randTmp*0.005f;
+			gy += gx*randTmp*0.005f;
+
+			parts[i].life=rand()%10+18;
+			parts[i].ctype=0;
+			parts[i].vx -= gx*multiplier;
+			parts[i].vy -= gy*multiplier;
+			parts[i].dcolour = parts[i].dcolour;
+			return 0;
+		}
+	}
+	if (parts[i].life>=45)
+		parts[i].life=0;
+	if (parts[i].life<3&&parts[i].life>0)
+	{
+		int r = (rand()%245+11);
+		int g = (rand()%245+11);
+		int b = (rand()%245+11);
+		int n;
+		float angle, magnitude;
+		unsigned col = (r<<16) | (g<<8) | b;
+		for (n=0; n<40; n++)
+		{
+			np = sim->create_part(-3, x, y, PT_EMBR);
+			if (np>-1)
+			{
+				magnitude = ((rand()%60)+40)*0.05f;
+				angle = (rand()%6284)*0.001f;//(in radians, between 0 and 2*pi)
+				parts[np].vx = parts[i].vx*0.5f + cosf(angle)*magnitude;
+				parts[np].vy = parts[i].vy*0.5f + sinf(angle)*magnitude;
+				parts[np].ctype = col;
+				parts[np].tmp = 1;
+				parts[np].life = rand()%40+70;
+				parts[np].temp = (rand()%500)+5750.0f;
+				parts[np].dcolour = parts[i].dcolour;
+			}
+		}
+		sim->pv[y/CELL][x/CELL] += 8.0f;
+		sim->kill_part(i);
+		return 1;
+	}
+	return 0;
+}
+
+
+Element_FWRK::~Element_FWRK() {}
\ No newline at end of file