prep for synched audio

4 files changed, 78 insertions, 7 deletions

diff --git a/src/audio.c b/src/audio.c
index ed25d4c..4a10241 100644
--- a/src/audio.c
+++ b/src/audio.c
@@ -1,5 +1,71 @@
 #include "../include/audio.h"
 
+void add_audio_event_to_queue(audio_event_type event, u32 playerid, vec3f position) {
+	for (int i = 0; i < max_audio_events; i++) {
+		if (audio_events[i].active) continue;
+
+		audio_events[i] = (audio_event){.active = true, .playerid = playerid, .position = position, .type = event};
+		return;
+	}
+}
+
+static int get_channel_from_audio_event_type(audio_event_type event) {
+	switch (event)
+	{
+		case EVENT_BOUNCE_THROWABLE: return CHANNEL_THROWABLES;
+		case EVENT_SHOOT: return CHANNEL_SHOOTING;
+		case EVENT_RELOAD: return CHANNEL_SHOOTING;
+
+		default: return 0;
+	}
+}
+
+static Mix_Chunk* get_sample_from_audio_event_type(audio_event_type event, u32 playerid) {
+	player* p = get_player_by_id(playerid);
+	if (!p) return 0;
+
+	switch (event)
+	{
+		case EVENT_BOUNCE_THROWABLE: return wav_throwable_bounce;
+		case EVENT_SHOOT: {
+			switch (p->guntype)
+			{
+				case GUN_MP5: return wav_shoot_mp5;		
+				default:
+					break;
+			}
+		}
+		case EVENT_RELOAD: {
+			switch (p->guntype)
+			{
+				case GUN_MP5: return wav_reload_mp5;		
+				default:
+					break;
+			}
+		}
+
+		default:
+			break;
+	}
+}
+
+void play_sounds_in_queue() {
+	for (int i = 0; i < max_audio_events; i++) {
+		if (!audio_events[i].active) continue;
+
+		play_positioned_sound(
+			get_channel_from_audio_event_type(audio_events[i].type), 
+			get_sample_from_audio_event_type(audio_events[i].type, audio_events[i].playerid), 
+			audio_events[i].position, 20);
+	}
+}
+
+void clear_sounds_in_queue() {
+	for (int i = 0; i < max_audio_events; i++) {
+		audio_events[i].active = false;
+	}
+}
+
 void play_sound(int channel, Mix_Chunk* wav) {
 	Mix_PlayChannel(channel, wav, 0);
 }
diff --git a/src/bullets.c b/src/bullets.c
index d1c8d97..f5d5198 100644
--- a/src/bullets.c
+++ b/src/bullets.c
@@ -21,14 +21,14 @@ void shoot(platform_window* window, u32 id, float dirx, float diry) {
 	if (bullets_to_shoot > p->ammo_in_mag) bullets_to_shoot = p->ammo_in_mag;
 	p->ammo_in_mag -= bullets_to_shoot;
 	if (p->ammo_in_mag == 0) {
-		play_positioned_sound(CHANNEL_SHOOTING, wav_reload_mp5, (vec3f){.x = p->playerx, .y = p->playery, .z = p->height}, 10);
+		add_audio_event_to_queue(EVENT_RELOAD, p->id, (vec3f){.x = p->playerx, .y = p->playery, .z = p->height});
 		p->interact_state = INTERACT_RELOADING;
 		p->sec_since_interact_state_change = 0;
 		return;
 	}
 
-	play_positioned_sound(CHANNEL_SHOOTING, wav_shoot_mp5, (vec3f){.x = p->playerx, .y = p->playery, .z = p->height}, 20);
-
+	add_audio_event_to_queue(EVENT_SHOOT, p->id, (vec3f){.x = p->playerx, .y = p->playery, .z = p->height});
+	
 	for (int i = 0; i < bullets_to_shoot; i++)
 	{
 		map_info info = get_map_info(window);
diff --git a/src/game.c b/src/game.c
index 06c7df4..993d82e 100644
--- a/src/game.c
+++ b/src/game.c
@@ -190,13 +190,19 @@ void update_server(platform_window* window) {
 		broadcast_zombies = platform_get_time(TIME_FULL, TIME_NS) - broadcast_zombies;
 
 		update_throwables_server(window);
+		clear_throwables();
 
-		
 		broadcast_stamp = platform_get_time(TIME_FULL, TIME_NS);
 		broadcast_to_clients(create_protocol_user_list());
 		broadcast_to_clients(create_protocol_zombie_list());
 		broadcast_to_clients(create_protocol_bullets_list());
 		broadcast_to_clients(create_protocol_drop_list());
+
+		// play sounds locally and send them to clients.
+		play_sounds_in_queue();
+
+		clear_sounds_in_queue();
+
 		update_timer = 0.0f;
 	}
 
@@ -279,7 +285,6 @@ void update_client(platform_window* window) {
 
 void update_game(platform_window* window) {
 	clear_bullets();
-	clear_throwables();
 
 	if (global_state.server) {
 		update_server(window);
diff --git a/src/throwables.c b/src/throwables.c
index 33f6137..1ad761f 100644
--- a/src/throwables.c
+++ b/src/throwables.c
@@ -96,13 +96,13 @@ void update_throwables_server(platform_window* window) {
 			throwables[i].direction.z = -throwables[i].direction.z*0.7;
 			throwables[i].bounces++;
 
-			play_positioned_sound(CHANNEL_THROWABLES, wav_throwable_bounce, b.position, 8);
+			add_audio_event_to_queue(EVENT_BOUNCE_THROWABLE, b.player_id, b.position);
 
 			if (throwables[i].bounces >= 3) throwables[i].direction.z = 0;
 		}
 
 		if (check_if_throwable_collided_with_object(&throwables[i], window, oldpos, throwables[i].position, &throwables[i].direction)) {
-			play_positioned_sound(CHANNEL_THROWABLES, wav_throwable_bounce, b.position, 8);
+			add_audio_event_to_queue(EVENT_BOUNCE_THROWABLE, b.player_id, b.position);
 		}
 	}
 }