Dem bubbles

3 files changed, 247 insertions, 0 deletions

diff --git a/src/console.c b/src/console.c
index 634e679..e926328 100644
--- a/src/console.c
+++ b/src/console.c
@@ -1108,6 +1108,32 @@ int process_command_old(pixel *vid_buf, char *console, char *console_error)
 						strcpy(console_error, "Could not create particle");
 				}
 			}
+			else if (strcmp(console2, "bubble")==0 && console3[0])
+			{
+				if (console_parse_coords(console3, &nx, &ny, console_error))
+				{
+					int first, rem1, rem2;
+
+					first = create_part(-1, nx+18, ny, PT_SOAP);
+					rem1 = first;
+
+					for (i = 1; i<=30; i++)
+					{
+						rem2 = create_part(-1, nx+18*cosf(i/5.0), ny+18*sinf(i/5.0), PT_SOAP);
+
+						parts[rem1].ctype = 7;
+						parts[rem1].tmp = rem2;
+						parts[rem2].tmp2 = rem1;
+
+						rem1 = rem2;
+					}
+
+					parts[rem1].ctype = 7;
+					parts[rem1].tmp = first;
+					parts[first].tmp2 = rem1;
+					parts[first].ctype = 7;
+				}
+			}
 			else if ((strcmp(console2, "delete")==0 || strcmp(console2, "kill")==0) && console3[0])
 			{
 				if (console_parse_partref(console3, &i, console_error))
diff --git a/src/elements/soap.c b/src/elements/soap.c
new file mode 100644
index 0000000..0496bd2
--- /dev/null
+++ b/src/elements/soap.c
@@ -0,0 +1,217 @@
+#include <element.h>
+
+void detach(int i)
+{
+	if ((parts[i].ctype&2) == 2)
+	{
+		if ((parts[parts[i].tmp].ctype&4) == 4)
+			parts[parts[i].tmp].ctype ^= 4;
+	}
+
+	if ((parts[i].ctype&4) == 4)
+	{
+		if ((parts[parts[i].tmp2].ctype&2) == 2)
+			parts[parts[i].tmp2].ctype ^= 2;
+	}
+
+	parts[i].ctype = 0;
+}
+
+int update_SOAP(UPDATE_FUNC_ARGS) 
+{
+	int r, rx, ry;
+
+	//0x01 - bubble on/off
+	//0x02 - first mate yes/no
+	//0x04 - "back" mate yes/no
+
+	if ((parts[i].ctype&1) == 1)
+	{
+		if (parts[i].life<=0)
+		{
+			if ((parts[i].ctype&6) != 6 && parts[i].ctype>1)
+			{
+				int target;
+
+				target = i;
+
+				while((parts[target].ctype&6) != 6 && parts[target].ctype>1)
+				{
+					if ((parts[target].ctype&2) == 2)
+					{
+						target = parts[target].tmp;
+						detach(target);
+					}
+
+					if ((parts[target].ctype&4) == 4)
+					{
+						target = parts[target].tmp2;
+						detach(target);
+					}
+				}
+			}
+
+			if ((parts[i].ctype&6) != 6)
+				parts[i].ctype = 0;
+
+			if ((parts[i].ctype&6) == 6 && (parts[parts[i].tmp].ctype&6) == 6 && parts[parts[i].tmp].tmp == i)
+				detach(i);
+		}
+
+		parts[i].vy -= 0.1f;
+
+		parts[i].vy *= 0.5f;
+		parts[i].vx *= 0.5f;
+
+		if((parts[i].ctype&2) != 2)
+		{
+			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>>8)>=NPART || !r)
+							continue;
+
+						if ((parts[r>>8].type == PT_SOAP) && ((parts[r>>8].ctype&1) == 1) 
+								&& ((parts[r>>8].ctype&4) != 4))
+						{
+							if ((parts[r>>8].ctype&2) == 2)
+							{
+								parts[i].tmp = r>>8;
+								parts[r>>8].tmp2 = i;
+
+								parts[i].ctype |= 2;
+								parts[r>>8].ctype |= 4;
+							}
+							else
+							{
+								if ((parts[i].ctype&2) != 2)
+								{
+									parts[i].tmp = r>>8;
+									parts[r>>8].tmp2 = i;
+
+									parts[i].ctype |= 2;
+									parts[r>>8].ctype |= 4;
+								}
+							}
+						}
+					}
+		}
+		else
+		{
+			if (parts[i].life<=0)
+				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>>8)>=NPART || !r)
+								continue;
+
+							if (((r&0xFF) != PT_SOAP && (r&0xFF) != PT_GLAS) 
+									|| (parts[r>>8].ctype == 0 && (r&0xFF) == PT_SOAP 
+									&& (abs(parts[r>>8].vx)<2 || abs(parts[r>>8].vy)<2)))
+							{
+								detach(i);
+								continue;
+							}
+
+							if ((r&0xFF) == PT_SOAP && parts[r>>8].ctype == 1)
+							{
+								int buf;
+
+								buf = parts[i].tmp;
+
+								parts[i].tmp = r>>8;
+								parts[buf].tmp2 = r>>8;
+								parts[r>>8].tmp2 = i;
+								parts[r>>8].tmp = buf;
+								parts[r>>8].ctype = 7;
+							}
+
+							if ((r&0xFF) == PT_SOAP && parts[r>>8].ctype == 7 && parts[i].tmp != r>>8 && parts[i].tmp2 != r>>8)
+							{
+								int buf;
+
+								parts[parts[i].tmp].tmp2 = parts[r>>8].tmp2;
+								parts[parts[r>>8].tmp2].tmp = parts[i].tmp;
+								parts[r>>8].tmp2 = i;
+								parts[i].tmp = r>>8;
+							}
+						}
+		}
+
+		if((parts[i].ctype&2) == 2)
+		{
+			float d, dx, dy;
+
+			dx = parts[i].x - parts[parts[i].tmp].x;
+			dy = parts[i].y - parts[parts[i].tmp].y;
+
+			d = 9/(pow(dx, 2)+pow(dy, 2)+9)-0.5;
+
+			parts[parts[i].tmp].vx -= dx*d;
+			parts[parts[i].tmp].vy -= dy*d;
+
+			parts[i].vx += dx*d;
+			parts[i].vy += dy*d;
+
+			if (((parts[parts[i].tmp].ctype&2) == 2) && ((parts[parts[i].tmp].ctype&1) == 1) 
+					&& ((parts[parts[parts[i].tmp].tmp].ctype&2) == 2) && ((parts[parts[parts[i].tmp].tmp].ctype&1) == 1))
+			{
+				int ii;
+
+				ii = parts[parts[parts[i].tmp].tmp].tmp;
+
+				dx = parts[ii].x - parts[parts[i].tmp].x;
+				dy = parts[ii].y - parts[parts[i].tmp].y;
+
+				d = 81/(pow(dx, 2)+pow(dy, 2)+81)-0.5;
+
+				parts[parts[i].tmp].vx -= dx*d*0.5f;
+				parts[parts[i].tmp].vy -= dy*d*0.5f;
+
+				parts[ii].vx += dx*d*0.5f;
+				parts[ii].vy += dy*d*0.5f;
+			}
+		}
+	}
+	else
+	{
+		if (pv[y/CELL][x/CELL]>0.5f || pv[y/CELL][x/CELL]<(-0.5f))
+		{
+			parts[i].ctype = 1;
+			parts[i].life = 10;
+		}
+
+		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>>8)>=NPART || !r)
+						continue;
+
+					if ((r&0xFF) == PT_OIL)
+					{
+						parts[i].vy -= 0.1f;
+
+						parts[i].vy *= 0.5f;
+						parts[i].vx *= 0.5f;
+
+						float ax, ay;
+
+						ax = (parts[i].vx + parts[r>>8].vx)/2;
+						ay = (parts[i].vy + parts[r>>8].vy)/2;
+
+						parts[i].vx = ax;
+						parts[i].vy = ay;
+						parts[r>>8].vx = ax;
+						parts[r>>8].vy = ay;
+					}
+				}
+	}
+
+	return 0;
+}
diff --git a/src/main.c b/src/main.c
index 92a9fdd..e2bf9d0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -667,6 +667,8 @@ int parse_save(void *save, int size, int replace, int x0, int y0, unsigned char
 					parts[k].type = j;
 					if (j == PT_PHOT)
 						parts[k].ctype = 0x3fffffff;
+					if (j == PT_SOAP)
+						parts[k].ctype = 0;
 					parts[k].x = (float)x;
 					parts[k].y = (float)y;
 					m[(x-x0)+(y-y0)*w] = k+1;
@@ -681,6 +683,8 @@ int parse_save(void *save, int size, int replace, int x0, int y0, unsigned char
 						parts[fp[i]].tmp = 50;
 					if (j == PT_PHOT)
 						parts[fp[i]].ctype = 0x3fffffff;
+					if (j == PT_SOAP)
+						parts[k].ctype = 0;
 					parts[fp[i]].x = (float)x;
 					parts[fp[i]].y = (float)y;
 					m[(x-x0)+(y-y0)*w] = fp[i]+1;