slight intermediary optimization

zigsonnum/activity.zig

@@ -104,14 +104,17 @@ pub const Activity = struct {
 						
 		for (self.soundnode.wire_in.items, 0..) |wired_sn, i| {
 			
+			if (wired_sn.active == 1) {
 				const relayed_r_amp = wired_sn.fab.get_r_amp(current_tick);
 				self.soundnode.fab.add_r_amp(relayed_r_amp);
+			}
 			_ = i;
 
 		}
 		
 		for (self.soundnode.air_in.items, 0..) |aired_sn, i| {
 			
+			if (aired_sn.active == 1) {
 				const dist: f64 = self.soundnode.distance(aired_sn);
 				
 				var b_sample_tick: u32 = 0;
@@ -135,7 +138,7 @@ pub const Activity = struct {
 					self.soundnode.fab.add_r_amp(relayed_r_amp);
 								
 				}
-					
+			}	
 			_ = i;
 
 		}
@@ -439,14 +442,18 @@ pub const Activity = struct {
 				
 		for (self.soundnode.wire_in.items, 0..) |wired_sn, i| {
 			
+			if (wired_sn.active == 1) {
 				const relayed_r_amp = wired_sn.fab.get_r_amp(current_tick);
 				srcamp += relayed_r_amp;
+			}
 			_ = i;
 
 		}
 	
 		for (self.soundnode.air_in.items, 0..) |aired_sn, i| {
 			
+			if (aired_sn.active == 1) {
+			
 				const dist: f64 = self.soundnode.distance(aired_sn);
 				
 				var b_sample_tick: u32 = 0;
@@ -470,7 +477,7 @@ pub const Activity = struct {
 					srcamp += relayed_r_amp;
 								
 				}
-					
+			}		
 			_ = i;
 
 		}

zigsonnum/sonnum.zig

@@ -175,6 +175,7 @@ pub fn main() !void {
 							//print("Wired nodes at tick {d}\n", .{tick});
 							
 							try trg.wire_in.append(src);
+							try src.wire_targets.append(trg);
 						},
 						
 						2 => {
@@ -183,6 +184,7 @@ pub fn main() !void {
 							
 							//print("Aired nodes at tick {d}\n", .{tick});
 							try trg.air_in.append(src);
+							try src.air_targets.append(trg);
 						},
 						
 						3 => {
@@ -204,6 +206,10 @@ pub fn main() !void {
 							//print("Set activity {d} for node {d} s at tick {d}\n", .{opcode, src_node, tick});
 							try src.activities.append(a);
 							
+							if (src.activities.items.len == 1) {
+								src.active = 1;
+							}
+							
 						},
 						
 					}
@@ -218,6 +224,8 @@ pub fn main() !void {
 	
 		for (soundnodes.items[2..], 0..) |soundnode, i| {
 			
+			if (soundnode.active == 1) {
+				
 				var toremove = ArrayList(usize).init(allocator);
 				defer toremove.deinit();
 					
@@ -236,6 +244,11 @@ pub fn main() !void {
 					j -= 1;
 					const activity_ind = toremove.items[j];				
 					_ = soundnode.activities.swapRemove(activity_ind);
+					if (soundnode.activities.items.len == 0) {
+						soundnode.active = 0;
+					}
+				}
+			
 			}
 		
 			soundnode.fab.increment_tick();

zigsonnum/soundnode.zig

@@ -26,6 +26,10 @@ pub const SoundNode = struct {
 	
 	air_in: ArrayList(*SoundNode),
 	wire_in: ArrayList(*SoundNode),
+	
+	air_targets: ArrayList(*SoundNode),
+	wire_targets: ArrayList(*SoundNode),
+	
 	activities: ArrayList(*Activity),
 	props: StringHashMap(f64),
 	
@@ -34,11 +38,14 @@ pub const SoundNode = struct {
 	z: f32 = 0,
 	
 	fab: FreqAmpBuffer,
+	active: u8 = 1,
 	
 	pub fn create(allocator: Allocator, name: []const u8) !*SoundNode {
 	
 		const air_in = ArrayList(*SoundNode).init(allocator);
 		const wire_in = ArrayList(*SoundNode).init(allocator);
+		const air_targets = ArrayList(*SoundNode).init(allocator);
+		const wire_targets = ArrayList(*SoundNode).init(allocator);
 		const activities = ArrayList(*Activity).init(allocator);
 		const fab = FreqAmpBuffer{};
 		const props = StringHashMap(f64).init(allocator);
@@ -50,12 +57,15 @@ pub const SoundNode = struct {
 			.name = name,
 			.air_in = air_in,
 			.wire_in = wire_in,
+			.air_targets = air_targets,
+			.wire_targets = wire_targets,
 			.activities = activities,
 			.fab = fab,
 			.props = props,
 			.x = 0,
 			.y = 0,
 			.z = 0,
+			.active = 0,
 		};
 		
 		return sn;