Alterations to TRON and fancy effects

includes/powder.h

@@ -325,6 +325,7 @@ int graphics_WIRE(GRAPHICS_FUNC_ARGS);
 int graphics_ACEL(GRAPHICS_FUNC_ARGS);
 int graphics_DCEL(GRAPHICS_FUNC_ARGS);
 int graphics_GEL(GRAPHICS_FUNC_ARGS);
+int graphics_TRON(GRAPHICS_FUNC_ARGS);
 
 #define UPDATE_FUNC_ARGS int i, int x, int y, int surround_space, int nt
 // to call another update function with same arguments:

src/elementdata.c

@@ -157,7 +157,7 @@ part_type ptypes[PT_NUM] =
 	{"IGNC",	PIXPACK(0xC0B050),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	1,	1,	1,	100,	SC_EXPLOSIVE,	R_TEMP+0.0f	+273.15f,	88,		"Ignition cord.", ST_SOLID, TYPE_SOLID | PROP_NEUTPENETRATE | PROP_SPARKSETTLE | PROP_LIFE_KILL, &update_IGNT, NULL},
 	{"BOYL",	PIXPACK(0x0A3200),	1.0f,	0.01f * CFDS,	0.99f,	0.30f,	-0.1f,	0.0f,	0.18f,	0.000f	* CFDS,	0,	0,		0,	0,	1,	1,	1,	1,		SC_GAS,			R_TEMP+2.0f	+273.15f,	42,		"Boyle, variable pressure gas. Expands when heated.", ST_GAS, TYPE_GAS, &update_BOYL, NULL},
 	{"GEL",	PIXPACK(0xFF9900),	0.6f,	0.01f * CFDS,	0.98f,	0.95f,	0.0f,	0.1f,	0.00f,	0.000f	* CFDS,	2,	0,		0,	0,	20,	1,	1,	35,		SC_LIQUID,		R_TEMP-2.0f	+273.15f,	29,		"Gel. A liquid with variable viscosity and heat conductivity", ST_LIQUID, TYPE_LIQUID|PROP_LIFE_DEC|PROP_NEUTPENETRATE, &update_GEL, &graphics_GEL},
-	{"TRON",	PIXPACK(0x000000),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	1,	100,	SC_SPECIAL,		0.0f,				40,		"An automaton tron snake thing", ST_NONE, TYPE_SOLID|PROP_LIFE_DEC|PROP_LIFE_KILL, &update_TRON, NULL},
+	{"TRON",	PIXPACK(0x000000),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	1,	1,	100,	SC_SPECIAL,		0.0f,				40,		"An automaton tron snake thing", ST_NONE, TYPE_SOLID|PROP_LIFE_DEC|PROP_LIFE_KILL, &update_TRON, &graphics_TRON},
 	/*FREE*/{"STAR",	PIXPACK(0x0000FF),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Like Star Wars rule S3456/B278/6", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL, NULL},
 	/*FREE*/{"FROG",	PIXPACK(0x00AA00),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Frogs S12/B34/3", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL, NULL},
 	/*FREE*/{"BRAN",	PIXPACK(0xCCCC00),	0.0f,	0.00f * CFDS,	0.90f,	0.00f,	0.0f,	0.0f,	0.00f,	0.000f	* CFDS,	0,	0,		0,	0,	0,	0,	0,	100,	SC_LIFE,		9000.0f,				40,		"Brian 6 S6/B246/3", ST_NONE, TYPE_SOLID|PROP_LIFE, NULL, NULL},

src/elements/tron.c

@@ -12,14 +12,16 @@
  *  - +<----+---->+ - -
  *  - - - - H - - - - -
  * Where H is the head with tail length 4, it checks the + area to see if it can hit any of the edges, then it is called safe, or picks the biggest area if none safe.
- * .tmp bit values: 0 tail , 1 head , 2 no tail growth , 4-8 is direction , 16 is wait flag
+ * .tmp bit values: 1st head, 2nd no tail growth, 3rd wait flag, 4th Nodie, 5th Dying, 6th & 7th is direction, 8th - 16th hue
  * .tmp2 is tail length (gets longer every few hundred frames)
  * .life is the timer that kills the end of the tail (the head uses life for how often it grows longer)
+ * .ctype Contains the colour, lost on save, regenerated using hue tmp (bits 7 - 16)
  */
 #define TRON_HEAD 1
 #define TRON_NOGROW 2
-#define TRON_WAIT 16 //it was just created, so WAIT a frame
+#define TRON_WAIT 4 //it was just created, so WAIT a frame
-#define TRON_NODIE 32
+#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};
 int new_tronhead(int x, int y, int i, int direction)
@@ -33,13 +35,13 @@ int new_tronhead(int x, int y, int i, int direction)
 		parts[i].life = 5;
 	}
 	//give new head our properties
-	parts[np].tmp = 1 | direction<<2 | parts[i].tmp&(TRON_NOGROW|TRON_NODIE);
+	parts[np].tmp = 1 | direction<<5 | parts[i].tmp&(TRON_NOGROW|TRON_NODIE) | (parts[i].tmp&0xF800);
 	if (np > i)
 		parts[np].tmp |= TRON_WAIT;
 	
+	parts[np].ctype = parts[i].ctype;
 	parts[np].tmp2 = parts[i].tmp2;
 	parts[np].life = parts[i].life + 2;
-	parts[np].dcolour = parts[i].dcolour;
 	return 1;
 }
 int trymovetron(int x, int y, int dir, int i, int len)
@@ -88,15 +90,23 @@ int trymovetron(int x, int y, int dir, int i, int len)
 }
 int update_TRON(UPDATE_FUNC_ARGS) {
 	int r, rx, ry, np;
+	if(!parts[i].ctype)
+	{
+		int r, g, b;
+		int hue = (parts[i].tmp&0xF800)>>7;
+		HSV_to_RGB(hue,255,255,&r,&g,&b);
+		parts[i].ctype = r<<16 | g<<8 | b;
+		//Use photon-like wavelength?
+	}
 	if (parts[i].tmp&TRON_WAIT)
 	{
-		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>>2 & 0x3);
+		int direction = (parts[i].tmp>>5 & 0x3);
 		int originaldir = direction;
 
 		//random turn
@@ -133,20 +143,52 @@ int update_TRON(UPDATE_FUNC_ARGS) {
 		//now try making new head, even if it fails
 		if (new_tronhead(x + tron_rx[direction],y + tron_ry[direction],i,direction) == -1)
 		{
-			//ohgod crash, <sparkle effect start here>
+			//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 = 0;
+		parts[i].tmp &= parts[i].tmp&0xF810;
 	}
 	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;
+		//parts[i].dcolour =  clamp_flt((float)parts[i].life/(float)parts[i].tmp2,0,1.0f) << 24 |  parts[i].dcolour&0x00FFFFFF;
+	}
+	return 0;
+}
+
+int graphics_TRON(GRAPHICS_FUNC_ARGS) {
+	if(cpart->tmp & TRON_HEAD)
+		*pixel_mode |= PMODE_GLOW;
+	if(cpart->ctype)
+	{
+		*colr = (cpart->ctype & 0xFF0000)>>16;
+		*colg = (cpart->ctype & 0x00FF00)>>8;
+		*colb = (cpart->ctype & 0x0000FF);
+	}
+	else
+	{
+		*colr = 255;
+		*colg = 255;
+		*colb = 255;
+	}
+	if(cpart->tmp & TRON_DEATH)
+	{
+		*pixel_mode |= FIRE_ADD | PMODE_FLARE;
+		*firer = *colr;
+		*fireg = *colg;
+		*fireb = *colb;
+		*firea = 255;
+	}
+	if(cpart->life < cpart->tmp2)
+	{
+		*pixel_mode |= PMODE_BLEND;
+		*pixel_mode &= ~PMODE_FLAT;
+		*cola = (int)((((float)cpart->life)/((float)cpart->tmp2))*255.0f);
 	}
-	
 	return 0;
 }

src/powder.c

@@ -931,12 +931,9 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a
 	}
 	if (t==PT_TRON)
 	{
-		int rr,rg,rb;
 		int randhue = rand()%360;
 		int randomdir = rand()%4;
-		HSV_to_RGB(randhue,255,255,&rr,&rg,&rb);
+		parts[i].tmp = 1|(randomdir<<5)|(randhue<<7);//set as a head and a direction
-		parts[i].dcolour = 255<<24 | rr<<16 | rg<<8 | rb;
-		parts[i].tmp = 1|(randomdir<<2);//set as a head and a direction
 		parts[i].tmp2 = 4;//tail
 		parts[i].life = 5;
 	}