Start function pointers

1 files changed, 42 insertions, 0 deletions

diff --git a/src/elements/pcln.c b/src/elements/pcln.c
new file mode 100644
index 0000000..38af102
--- /dev/null
+++ b/src/elements/pcln.c
@@ -0,0 +1,42 @@
+#include <powder.h>
+
+int update_PCLN(UPDATE_FUNC_ARGS) {
+	if (!parts[i].ctype)
+		for (nx=-1; nx<2; nx++)
+			for (ny=-1; ny<2; ny++)
+				if (x+nx>=0 && y+ny>0 &&
+				        x+nx<XRES && y+ny<YRES &&
+				        pmap[y+ny][x+nx] &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_CLNE &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_PCLN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_BCLN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_SPRK &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_NSCN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_PSCN &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_STKM &&
+				        (pmap[y+ny][x+nx]&0xFF)!=PT_STKM2 &&
+				        (pmap[y+ny][x+nx]&0xFF)!=0xFF)
+					parts[i].ctype = pmap[y+ny][x+nx]&0xFF;
+	if (parts[i].ctype && parts[i].life==10) {
+		if (parts[i].ctype==PT_PHOT) {
+			for (nx=-1; nx<2; nx++) {
+				for (ny=-1; ny<2; ny++) {
+					int r = create_part(-1, x+nx, y+ny, parts[i].ctype);
+					if (r!=-1) {
+						parts[r].vx = nx*3;
+						parts[r].vy = ny*3;
+					}
+				}
+			}
+		}
+		else if (ptypes[parts[i].ctype].properties&PROP_LIFE) {
+			for (nx=-1; nx<2; nx++) {
+				for (ny=-1; ny<2; ny++) {
+					create_part(-1, x+nx, y+ny, parts[i].ctype);
+				}
+			}
+		} else {
+			create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
+		}
+	}
+}