Merge with jacksonmj, Warning: potential for lot of bugs

1 files changed, 43 insertions, 0 deletions

diff --git a/src/elements/phot.c b/src/elements/phot.c
new file mode 100644
index 0000000..95f427f
--- /dev/null
+++ b/src/elements/phot.c
@@ -0,0 +1,43 @@
+#include <powder.h>
+
+int update_PHOT(UPDATE_FUNC_ARGS) {
+	if (1>rand()%10) update_PYRO(UPDATE_FUNC_SUBCALL_ARGS);
+	int r, rt, rx, ry;
+	float rr, rrr;
+	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 && (rx || ry)) {
+				if ((r>>8)>=NPART || !r)
+					continue;
+				if ((r&0xFF)==PT_ISOZ && 5>(rand()%2000))
+				{
+					parts[i].vx *= 0.90;
+					parts[i].vy *= 0.90;
+					create_part(r>>8, x+rx, y+ry, PT_PHOT);
+					rrr = (rand()%360)*3.14159f/180.0f;
+					rr = (rand()%128+128)/127.0f;
+					parts[r>>8].vx = rr*cosf(rrr);
+					parts[r>>8].vy = rr*sinf(rrr);
+					pv[y/CELL][x/CELL] -= 15.0f * CFDS;
+				}
+				if ((r&0xFF)==PT_ISZS && 5>(rand()%2000))
+				{
+					parts[i].vx *= 0.90;
+					parts[i].vy *= 0.90;
+					create_part(r>>8, x+rx, y+ry, PT_PHOT);
+					rr = (rand()%228+128)/127.0f;
+					rrr = (rand()%360)*3.14159f/180.0f;
+					parts[r>>8].vx = rr*cosf(rrr);
+					parts[r>>8].vy = rr*sinf(rrr);
+					pv[y/CELL][x/CELL] -= 15.0f * CFDS;
+				}
+			}
+	r = pmap[y][x];
+	rt = r&0xFF;
+	if (rt==PT_CLNE || rt==PT_PCLN || rt==PT_BCLN) {
+		if (!parts[r>>8].ctype)
+			parts[r>>8].ctype = PT_PHOT;
+	}
+
+	return 0;
+}