summaryrefslogtreecommitdiff
path: root/elements/soap.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'elements/soap.cpp')
-rw-r--r--elements/soap.cpp234
1 files changed, 234 insertions, 0 deletions
diff --git a/elements/soap.cpp b/elements/soap.cpp
new file mode 100644
index 0000000..0d31292
--- /dev/null
+++ b/elements/soap.cpp
@@ -0,0 +1,234 @@
+#include "element.h"
+
+int update_SOAP(UPDATE_FUNC_ARGS)
+{
+ int r, rx, ry, nr, ng, nb, na;
+ float tr, tg, tb, ta;
+ float blend;
+
+ //0x01 - bubble on/off
+ //0x02 - first mate yes/no
+ //0x04 - "back" mate yes/no
+
+ if ((parts[i].ctype&1) == 1)
+ {
+ if (parts[i].temp>0)
+ {
+ 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;
+ sim->detach(target);
+ }
+
+ if ((parts[target].ctype&4) == 4)
+ {
+ target = parts[target].tmp2;
+ sim->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)
+ sim->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)
+ 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 && !sim->bmap[(y+ry)/CELL][(x+rx)/CELL])
+ continue;
+
+ if (parts[i].temp>0)
+ {
+ if (sim->bmap[(y+ry)/CELL][(x+rx)/CELL]
+ || (r && sim->ptypes[r&0xFF].state != ST_GAS
+ && (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)))
+ {
+ sim->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 (sim->pv[y/CELL][x/CELL]>0.5f || sim->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)
+ continue;
+
+ if ((r&0xFF) == PT_OIL)
+ {
+ float ax, ay;
+
+ parts[i].vy -= 0.1f;
+
+ parts[i].vy *= 0.5f;
+ parts[i].vx *= 0.5f;
+
+ 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;
+ }
+ }
+ }
+
+ 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)
+ continue;
+ if ((r&0xFF)!=PT_SOAP)
+ {
+ blend = 0.85f;
+ tr = (parts[r>>8].dcolour>>16)&0xFF;
+ tg = (parts[r>>8].dcolour>>8)&0xFF;
+ tb = (parts[r>>8].dcolour)&0xFF;
+ ta = (parts[r>>8].dcolour>>24)&0xFF;
+
+ nr = (tr*blend);
+ ng = (tg*blend);
+ nb = (tb*blend);
+ na = (ta*blend);
+
+ parts[r>>8].dcolour = nr<<16 | ng<<8 | nb | na<<24;
+ }
+ }
+
+ return 0;
+}