Merge with jacksonmj, Warning: potential for lot of bugs

1 files changed, 65 insertions, 0 deletions

diff --git a/src/elements/pcln.c b/src/elements/pcln.c
new file mode 100644
index 0000000..45edd1e
--- /dev/null
+++ b/src/elements/pcln.c
@@ -0,0 +1,65 @@
+#include <powder.h>
+
+int update_PCLN(UPDATE_FUNC_ARGS) {
+	int r, rx, ry;
+	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_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)
+		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 &&
+				        pmap[y+ry][x+rx] &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_CLNE &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_PCLN &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_BCLN &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_SPRK &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_NSCN &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_PSCN &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_STKM &&
+				        (pmap[y+ry][x+rx]&0xFF)!=PT_STKM2 &&
+				        (pmap[y+ry][x+rx]&0xFF)!=0xFF)
+					parts[i].ctype = pmap[y+ry][x+rx]&0xFF;
+	if (parts[i].ctype && parts[i].life==10) {
+		if (parts[i].ctype==PT_PHOT) {
+			for (rx=-1; rx<2; rx++) {
+				for (ry=-1; ry<2; ry++) {
+					int r = 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 (ptypes[parts[i].ctype].properties&PROP_LIFE) {
+			for (rx=-1; rx<2; rx++) {
+				for (ry=-1; ry<2; ry++) {
+					create_part(-1, x+rx, y+ry, parts[i].ctype);
+				}
+			}
+		} else {
+			create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
+		}
+	}
+	return 0;
+}