TPT: Replace all explosion sparks with new element (EMBR) 1d5b081942

1 files changed, 33 insertions, 64 deletions

diff --git a/src/simulation/elements/FIRW.cpp b/src/simulation/elements/FIRW.cpp
index a23d013..9be26dd 100644
--- a/src/simulation/elements/FIRW.cpp
+++ b/src/simulation/elements/FIRW.cpp
@@ -1,4 +1,8 @@
 #include "simulation/Elements.h"
+extern "C"
+{
+	#include "hmap.h"
+}
 //#TPT-Directive ElementClass Element_FIRW PT_FIRW 69
 Element_FIRW::Element_FIRW()
 {
@@ -50,7 +54,7 @@ Element_FIRW::Element_FIRW()
 int Element_FIRW::update(UPDATE_FUNC_ARGS)
  {
 	int r, rx, ry, rt, np;
-	if (parts[i].tmp==0) {
+	if (parts[i].tmp<=0) {
 		for (rx=-1; rx<2; rx++)
 			for (ry=-1; ry<2; ry++)
 				if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
@@ -62,52 +66,43 @@ int Element_FIRW::update(UPDATE_FUNC_ARGS)
 					if (rt==PT_FIRE||rt==PT_PLSM||rt==PT_THDR)
 					{
 						parts[i].tmp = 1;
-						parts[i].life = rand()%50+60;
+						parts[i].life = rand()%40+60;
 					}
 				}
 	}
 	else if (parts[i].tmp==1) {
-		if (parts[i].life==0) {
+		if (parts[i].life<=0) {
 			parts[i].tmp=2;
 		} else {
-			float newVel = parts[i].life/25;
-			parts[i].flags &= ~FLAG_STAGNANT;
-			/* TODO:
-			if ((pmap[(int)(ly-newVel)][(int)lx]&0xFF)==PT_NONE && ly-newVel>0) {
-				parts[i].vy = -newVel;
-				ly-=newVel;
-				iy-=newVel;
-			}*/
-			parts[i].vy = -newVel;
+			// TODO: different gravity modes + Newtonian gravity
+			parts[i].vy = -parts[i].life*0.04f - 0.1f;
 		}
 	}
-	else if (parts[i].tmp==2) {
-		int col = rand()%200+4;
-		int tmul;
-		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))
-				{
-					tmul = rand()%7;
-					np = sim->create_part(-1, x+rx, y+ry, PT_FIRW);
-					if (np>-1)
-					{
-						parts[np].vx = (rand()%3-1)*tmul;
-						parts[np].vy = (rand()%3-1)*tmul;
-						parts[np].tmp = col;
-						parts[np].life = rand()%100+100;
-						parts[np].temp = 6000.0f;
-						parts[np].dcolour = parts[i].dcolour;
-					}
-				}
-		sim->pv[y/CELL][x/CELL] += 20;
+	else if (parts[i].tmp>=2)
+	{
+		float angle, magnitude;
+		int caddress = (rand()%200)*3;
+		int n;
+		unsigned col = (((unsigned char)(firw_data[caddress]))<<16) | (((unsigned char)(firw_data[caddress+1]))<<8) | ((unsigned char)(firw_data[caddress+2]));
+		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 + cosf(angle)*magnitude;
+				parts[np].vy = parts[i].vy + sinf(angle)*magnitude - 2.5f;
+				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;
-	} else if (parts[i].tmp>=3) {
-		if (parts[i].life<=0) {
-			sim->kill_part(i);
-			return 1;
-		}
 	}
 	return 0;
 }
@@ -117,33 +112,7 @@ int Element_FIRW::update(UPDATE_FUNC_ARGS)
 int Element_FIRW::graphics(GRAPHICS_FUNC_ARGS)
 
 {
-	if(cpart->tmp>=3)
-	{
-		int caddress = restrict_flt(restrict_flt((float)(cpart->tmp-4), 0.0f, 200.0f)*3, 0.0f, (200.0f*3)-3);
-		*colr = 0;//(unsigned char)firw_data[caddress];
-		*colg = 0;//(unsigned char)firw_data[caddress+1];
-		*colb = 0;//(unsigned char)firw_data[caddress+2];
-		
-		if (ren->decorations_enable && cpart->dcolour)
-		{
-			int a = (cpart->dcolour>>24)&0xFF;
-			*colr = (a*((cpart->dcolour>>16)&0xFF) + (255-a)**colr) >> 8;
-			*colg = (a*((cpart->dcolour>>8)&0xFF) + (255-a)**colg) >> 8;
-			*colb = (a*((cpart->dcolour)&0xFF) + (255-a)**colb) >> 8;
-		}
-		
-		*firea = cpart->life*4;
-		if(*firea > 240)
-			*firea = 240;
-		*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
-	}
-	else if(cpart->tmp > 0)
+	if(cpart->tmp > 0)
 	{
 		*pixel_mode |= PMODE_GLOW;
 	}