Some minor changes

1 files changed, 73 insertions, 0 deletions

diff --git a/src/elements/pcln.cpp b/src/elements/pcln.cpp
new file mode 100644
index 0000000..cd1ed4f
--- /dev/null
+++ b/src/elements/pcln.cpp
@@ -0,0 +1,73 @@
+#include "element.h"
+
+int update_PCLN(UPDATE_FUNC_ARGS) {
+	int r, rx, ry;
+	if (parts[i].life>0 && parts[i].life!=10)
+		parts[i].life--;
+	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_SPRK)
+				{
+					if (parts[r>>8].ctype==PT_PSCN)
+						parts[i].life = 10;
+					else if (parts[r>>8].ctype==PT_NSCN)
+						parts[i].life = 9;
+				}
+				if ((r&0xFF)==PT_PCLN)
+				{
+					if (parts[i].life==10&&parts[r>>8].life<10&&parts[r>>8].life>0)
+						parts[i].life = 9;
+					else if (parts[i].life==0&&parts[r>>8].life==10)
+						parts[i].life = 10;
+				}
+			}
+	if (parts[i].ctype<=0 || parts[i].ctype>=PT_NUM || (parts[i].ctype==PT_LIFE && (parts[i].tmp<0 || parts[i].tmp>=NGOLALT)))
+		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)
+				{
+					r = sim->photons[y+ry][x+rx];
+					if (!r)
+						r = pmap[y+ry][x+rx];
+					if (!r)
+						continue;
+					if ((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN &&
+				        (r&0xFF)!=PT_BCLN &&  (r&0xFF)!=PT_SPRK &&
+				        (r&0xFF)!=PT_NSCN && (r&0xFF)!=PT_PSCN &&
+				        (r&0xFF)!=PT_STKM && (r&0xFF)!=PT_STKM2 &&
+				        (r&0xFF)!=PT_PBCN && (r&0xFF)<PT_NUM)
+					{
+						parts[i].ctype = r&0xFF;
+						if ((r&0xFF)==PT_LIFE)
+							parts[i].tmp = parts[r>>8].ctype;
+					}
+				}
+	if (parts[i].ctype>0 && parts[i].ctype<PT_NUM && parts[i].life==10) {
+		if (parts[i].ctype==PT_PHOT) {//create photons a different way
+			for (rx=-1; rx<2; rx++) {
+				for (ry=-1; ry<2; ry++) {
+					int r = sim->create_part(-1, x+rx, y+ry, parts[i].ctype);
+					if (r!=-1) {
+						parts[r].vx = rx*3;
+						parts[r].vy = ry*3;
+					}
+				}
+			}
+		}
+		else if (parts[i].ctype==PT_LIFE) {//create life a different way
+			for (rx=-1; rx<2; rx++) {
+				for (ry=-1; ry<2; ry++) {
+					sim->create_part(-1, x+rx, y+ry, parts[i].ctype|(parts[i].tmp<<8));
+				}
+			}
+		} else {
+			sim->create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
+		}
+	}
+	return 0;
+}