Some more function pointers

1 files changed, 67 insertions, 0 deletions

diff --git a/src/elements/firw.c b/src/elements/firw.c
new file mode 100644
index 0000000..033e942
--- /dev/null
+++ b/src/elements/firw.c
@@ -0,0 +1,67 @@
+#include <powder.h>
+
+int update_FIRW(UPDATE_FUNC_ARGS) {
+	int r, rt;
+	if (parts[i].tmp==0) {
+		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 && (nx || ny))
+				{
+					r = pmap[y+ny][x+nx];
+					if ((r>>8)>=NPART || !r)
+						continue;
+					rt = parts[r>>8].type;
+					if (rt==PT_FIRE||rt==PT_PLSM||rt==PT_THDR)
+					{
+						parts[i].tmp = 1;
+						parts[i].life = rand()%50+60;
+					}
+				}
+	}
+	else if (parts[i].tmp==1) {
+		if (parts[i].life==0) {
+			parts[i].tmp=2;
+		} else {
+			float newVel = parts[i].life/25;
+			parts[i].flags = parts[i].flags&0xFFFFFFFE;
+			if ((pmap[(int)(ly-newVel)][(int)lx]&0xFF)==PT_NONE && ly-newVel>0) {
+				parts[i].vy = -newVel;
+				// TODO
+				//ly-=newVel;
+				//iy-=newVel;
+			}
+		}
+	}
+	else if (parts[i].tmp==2) {
+		int col = rand()%200+4;
+		for (nx=-2; nx<3; nx++) {
+			for (ny=-2; ny<3; ny++) {
+				if (x+nx>=0 && y+ny>0 && x+nx<XRES && y+ny<YRES && (nx || ny))
+				{
+					int tmul = rand()%7;
+					create_part(-1, x+nx, y+ny, PT_FIRW);
+					r = pmap[y+ny][x+nx];
+					if ((r>>8)>=NPART || !r)
+						continue;
+					if (parts[r>>8].type==PT_FIRW) {
+						parts[r>>8].vx = (rand()%3-1)*tmul;
+						parts[r>>8].vy = (rand()%3-1)*tmul;
+						parts[r>>8].tmp = col;
+						parts[r>>8].life = rand()%100+100;
+						parts[r>>8].temp = 6000.0f;
+					}
+				}
+			}
+		}
+		pv[y/CELL][x/CELL] += 20;
+		kill_part(i);
+		return 1;
+	} else if (parts[i].tmp>=3) {
+		if (parts[i].life<=0) {
+			kill_part(i);
+			return 1;
+		}
+	}
+	return 0;
+}