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

1 files changed, 236 insertions, 0 deletions

diff --git a/src/simulation/elements/TRON.cpp b/src/simulation/elements/TRON.cpp
new file mode 100644
index 0000000..36493a7
--- /dev/null
+++ b/src/simulation/elements/TRON.cpp
@@ -0,0 +1,236 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_TRON PT_TRON 143
+Element_TRON::Element_TRON()
+{
+    Identifier = "DEFAULT_PT_TRON";
+    Name = "TRON";
+    Colour = PIXPACK(0xA9FF00);
+    MenuVisible = 1;
+    MenuSection = SC_SPECIAL;
+    Enabled = 1;
+    
+    Advection = 0.0f;
+    AirDrag = 0.00f * CFDS;
+    AirLoss = 0.90f;
+    Loss = 0.00f;
+    Collision = 0.0f;
+    Gravity = 0.0f;
+    Diffusion = 0.00f;
+    HotAir = 0.000f  * CFDS;
+    Falldown = 0;
+    
+    Flammable = 0;
+    Explosive = 0;
+    Meltable = 0;
+    Hardness = 0;
+    
+    Weight = 100;
+    
+    Temperature = 0.0f;
+    HeatConduct = 40;
+    Description = "Smart particles, Travels in straight lines and avoids obstacles.  Grows with time.";
+    
+    State = ST_NONE;
+    Properties = TYPE_SOLID|PROP_LIFE_DEC|PROP_LIFE_KILL;
+    
+    LowPressure = IPL;
+    LowPressureTransition = NT;
+    HighPressure = IPH;
+    HighPressureTransition = NT;
+    LowTemperature = ITL;
+    LowTemperatureTransition = NT;
+    HighTemperature = ITH;
+    HighTemperatureTransition = NT;
+    
+    Update = &Element_TRON::update;
+    Graphics = &Element_TRON::graphics;
+
+    Element_TRON::init_graphics();
+}
+
+#define TRON_HEAD 1
+#define TRON_NOGROW 2
+#define TRON_WAIT 4 //it was just created, so WAIT a frame
+#define TRON_NODIE 8
+#define TRON_DEATH 16 //Crashed, now dying
+int tron_rx[4] = {-1, 0, 1, 0};
+int tron_ry[4] = { 0,-1, 0, 1};
+unsigned int tron_colours[32];
+
+//#TPT-Directive ElementHeader Element_TRON static void init_graphics()
+void Element_TRON::init_graphics()
+{
+	int i;
+	int r, g, b;
+	for (i=0; i<32; i++)
+	{
+		HSV_to_RGB(i<<4,255,255,&r,&g,&b);
+		tron_colours[i] = r<<16 | g<<8 | b;
+	}
+}
+
+//#TPT-Directive ElementHeader Element_TRON static int update(UPDATE_FUNC_ARGS)
+int Element_TRON::update(UPDATE_FUNC_ARGS)
+ {
+	int r, rx, ry, np;
+	if (parts[i].tmp&TRON_WAIT)
+	{
+		parts[i].tmp &= ~TRON_WAIT;
+		return 0;
+	}
+	if (parts[i].tmp&TRON_HEAD)
+	{
+		int firstdircheck = 0,seconddir,seconddircheck = 0,lastdir,lastdircheck = 0;
+		int direction = (parts[i].tmp>>5 & 0x3);
+		int originaldir = direction;
+
+		//random turn
+		int random = rand()%340;
+		if (random==1 || random==3)
+		{
+			//randomly turn left(3) or right(1)
+			direction = (direction + random)%4;
+		}
+
+		//check infront
+		//do sight check
+		firstdircheck = Element_TRON::trymovetron(sim,x,y,direction,i,parts[i].tmp2);
+		if (firstdircheck < parts[i].tmp2)
+		{
+			if (originaldir != direction) //if we just tried a random turn, don't pick random again
+			{
+				seconddir = originaldir;
+				lastdir = (direction + 2)%4;
+			}
+			else
+			{
+				seconddir = (direction + ((rand()%2)*2)+1)% 4;
+				lastdir = (seconddir + 2)%4;
+			}
+			seconddircheck = trymovetron(sim,x,y,seconddir,i,parts[i].tmp2);
+			lastdircheck = trymovetron(sim,x,y,lastdir,i,parts[i].tmp2);
+		}
+		//find the best move
+		if (seconddircheck > firstdircheck)
+			direction = seconddir;
+		if (lastdircheck > seconddircheck && lastdircheck > firstdircheck)
+			direction = lastdir;
+		//now try making new head, even if it fails
+		if (Element_TRON::new_tronhead(sim,x + tron_rx[direction],y + tron_ry[direction],i,direction) == -1)
+		{
+			//ohgod crash
+			parts[i].tmp |= TRON_DEATH;
+			//trigger tail death for TRON_NODIE, or is that mode even needed? just set a high tail length(but it still won't start dying when it crashes)
+		}
+
+		//set own life and clear .tmp (it dies if it can't move anyway)
+		parts[i].life = parts[i].tmp2;
+		parts[i].tmp &= parts[i].tmp&0xF818;
+	}
+	else // fade tail deco, or prevent tail from dieing
+	{
+		if (parts[i].tmp&TRON_NODIE)
+			parts[i].life++;
+		//parts[i].dcolour =  clamp_flt((float)parts[i].life/(float)parts[i].tmp2,0,1.0f) << 24 |  parts[i].dcolour&0x00FFFFFF;
+	}
+	return 0;
+}
+
+
+
+//#TPT-Directive ElementHeader Element_TRON static int graphics(GRAPHICS_FUNC_ARGS)
+int Element_TRON::graphics(GRAPHICS_FUNC_ARGS)
+ {
+	unsigned int col = tron_colours[(cpart->tmp&0xF800)>>11];
+	if(cpart->tmp & TRON_HEAD)
+		*pixel_mode |= PMODE_GLOW;
+	*colr = (col & 0xFF0000)>>16;
+	*colg = (col & 0x00FF00)>>8;
+	*colb = (col & 0x0000FF);
+	if(cpart->tmp & TRON_DEATH)
+	{
+		*pixel_mode |= FIRE_ADD | PMODE_FLARE;
+		*firer = *colr;
+		*fireg = *colg;
+		*fireb = *colb;
+		*firea = 255;
+	}
+	if(cpart->life < cpart->tmp2 && !(cpart->tmp & TRON_HEAD))
+	{
+		*pixel_mode |= PMODE_BLEND;
+		*pixel_mode &= ~PMODE_FLAT;
+		*cola = (int)((((float)cpart->life)/((float)cpart->tmp2))*255.0f);
+	}
+	return 0;
+}
+
+//#TPT-Directive ElementHeader Element_TRON static int new_tronhead(Simulation * sim, int x, int y, int i, int direction)
+int Element_TRON::new_tronhead(Simulation * sim, int x, int y, int i, int direction)
+{
+	int np = sim->create_part(-1, x , y ,PT_TRON);
+	if (np==-1)
+		return -1;
+	if (sim->parts[i].life >= 100) // increase tail length
+	{
+		if (!(sim->parts[i].tmp&TRON_NOGROW))
+			sim->parts[i].tmp2++;
+		sim->parts[i].life = 5;
+	}
+	//give new head our properties
+	sim->parts[np].tmp = 1 | direction<<5 | sim->parts[i].tmp&(TRON_NOGROW|TRON_NODIE) | (sim->parts[i].tmp&0xF800);
+	if (np > i)
+		sim->parts[np].tmp |= TRON_WAIT;
+	
+	sim->parts[np].ctype = sim->parts[i].ctype;
+	sim->parts[np].tmp2 = sim->parts[i].tmp2;
+	sim->parts[np].life = sim->parts[i].life + 2;
+	return 1;
+}
+
+//#TPT-Directive ElementHeader Element_TRON static int trymovetron(Simulation * sim, int x, int y, int dir, int i, int len)
+int Element_TRON::trymovetron(Simulation * sim, int x, int y, int dir, int i, int len)
+{
+	int k,j,r,rx,ry,tx,ty,count;
+	count = 0;
+	rx = x;
+	ry = y;
+	for (k = 1; k <= len; k ++)
+	{
+		rx += tron_rx[dir];
+		ry += tron_ry[dir];
+		r = sim->pmap[ry][rx];
+		if (!r && !sim->bmap[(ry)/CELL][(rx)/CELL] && ry > CELL && rx > CELL && ry < YRES-CELL && rx < XRES-CELL)
+		{
+			count++;
+			for (tx = rx - tron_ry[dir] , ty = ry - tron_rx[dir], j=1; abs(tx-rx) < (len-k) && abs(ty-ry) < (len-k); tx-=tron_ry[dir],ty-=tron_rx[dir],j++)
+			{
+				r = sim->pmap[ty][tx];
+				if (!r && !sim->bmap[(ty)/CELL][(tx)/CELL] && ty > CELL && tx > CELL && ty < YRES-CELL && tx < XRES-CELL)
+				{
+					if (j == (len-k))//there is a safe path, so we can break out
+						return len+1;
+					count++;
+				}
+				else //we hit a block so no need to check farther here
+					break;
+			}
+			for (tx = rx + tron_ry[dir] , ty = ry + tron_rx[dir], j=1; abs(tx-rx) < (len-k) && abs(ty-ry) < (len-k); tx+=tron_ry[dir],ty+=tron_rx[dir],j++)
+			{
+				r = sim->pmap[ty][tx];
+				if (!r && !sim->bmap[(ty)/CELL][(tx)/CELL] && ty > CELL && tx > CELL && ty < YRES-CELL && tx < XRES-CELL)
+				{
+					if (j == (len-k))
+						return len+1;
+					count++;
+				}
+				else
+					break;
+			}
+		}
+		else //a block infront, no need to continue
+			break;
+	}
+	return count;
+}
+
+Element_TRON::~Element_TRON() {}