Added a lot of sound and music.

TODO.txt

@@ -37,6 +37,7 @@ x Fix crash when clicking menu items with pointer
 - A different license perhaps?
 - Credit screen showing music and graphics guys:
 	- Music: http://soundimage.org/ (Eric Matyas)
+	- SFX (Eric Matyas & https://opengameart.org/users/artisticdude)
 	- Graphics: (see README)
 
 Legend: ( '-' = future) ( 'x' = completed ) ( 'o' = begun )

src/gui.c

@@ -198,13 +198,13 @@ set_max_health(Gui *gui, int max, SDL_Renderer *renderer)
 static void
 set_current_health(Gui *gui, int current)
 {
+	if (current < 0)
+		current = 0;
+
 	int partial = current % 3;
 	int full = (current - partial)/3;
 	int count = 0;
 
-	if (current < 0)
-		current = 0;
-
 	LinkedList *item = gui->health;
 	while (item != NULL) {
 		Sprite *sprite = (Sprite*) item->data;

src/item_builder.c

@@ -5,6 +5,7 @@
 #include "texture.h"
 #include "util.h"
 #include "gui.h"
+#include "mixer.h"
 
 static ItemBuilder *builder = NULL;
 
@@ -44,6 +45,7 @@ eat_flesh(Item *item, Player *player)
 	if (player->stats.hp > player->stats.maxhp)
 		player->stats.hp = player->stats.maxhp;
 
+	mixer_play_effect(EAT);
 	gui_log("You eat some foul meat and gain %d health",
 		player->stats.hp - original_hp);
 }
@@ -53,6 +55,7 @@ drink_health(Item *item, Player *player)
 {
 	player->potion_sips += (int) item->value;
 
+	mixer_play_effect(BOTTLE);
 	gui_log("You collect %u sips of health", (unsigned int) item->value);
 }
 
@@ -77,6 +80,7 @@ static void
 pickup_gold(Item *item, Player *player)
 {
 	player->gold += item->value;
+	mixer_play_effect(COIN);
 	gui_log("You pick up %s", &item->label);
 }
 

src/main.c

@@ -167,7 +167,7 @@ startGame(void *unused)
 	if (gPlayer)
 		player_destroy(gPlayer);
 	gPlayer = player_create(WARRIOR, gRenderer);
-	mixer_stop_music();
+	mixer_play_music(GAME_MUSIC0 + (rand() % 3));
 	resetGame();
 }
 
@@ -259,7 +259,7 @@ initMainMenu(void)
 	gMap = map_lua_generator_single_room__run(cLevel, gRenderer);
 
 	createMenu(&mainMenu, menu_items, 2);
-	mixer_play_music();
+	mixer_play_music(MENU_MUSIC);
 }
 
 static void
@@ -380,6 +380,8 @@ check_next_level(void)
 		return;
 	}
 	if (tile->levelExit) {
+		mixer_play_effect(NEXT_LEVEL);
+		mixer_play_music(GAME_MUSIC0 + (rand() % 3));
 		++cLevel;
 		resetGame();
 	}
@@ -444,6 +446,7 @@ run_game(void)
 
 	if (gGameState == PLAYING && is_player_dead()) {
 		gui_log("The dungeon consumed you");
+		mixer_play_effect(SPLAT);
 		gGameState = GAME_OVER;
 	}
 

src/mixer.c

@@ -2,9 +2,28 @@
 #include "mixer.h"
 #include "util.h"
 
-static Mix_Music *music = NULL;
+static Mix_Music *music[LAST_MUSIC];
 static Mix_Chunk *effects[LAST_EFFECT];
 
+static Mix_Music*
+load_song(char *path)
+{
+	Mix_Music *m = Mix_LoadMUS(path);
+	if (m == NULL)
+		fatal("Failed to load music: %s", Mix_GetError());
+	return m;
+}
+
+static void
+load_music(void)
+{
+	music[GAME_MUSIC0] = load_song("assets/Sounds/Music/fantasy-game-background-looping.ogg");
+	music[GAME_MUSIC1] = load_song("assets/Sounds/Music/bog-creatures-on-the-move-looping.ogg");
+	music[GAME_MUSIC2] = load_song("assets/Sounds/Music/fantascape-looping.ogg");
+
+	music[MENU_MUSIC] = load_song("assets/Sounds/Music/fantasy-forest-battle.ogg");
+}
+
 static Mix_Chunk*
 load_effect(char *path)
 {
@@ -18,6 +37,21 @@ static void
 load_effects(void)
 {
 	effects[CLICK] = load_effect("assets/Sounds/FX/click.wav");
+	effects[SWING0] = load_effect("assets/Sounds/FX/swing.wav");
+	effects[SWING1] = load_effect("assets/Sounds/FX/swing2.wav");
+	effects[SWING2] = load_effect("assets/Sounds/FX/swing3.wav");
+	effects[SWORD_HIT] = load_effect("assets/Sounds/FX/sword_hit.wav");
+	effects[BONK] = load_effect("assets/Sounds/FX/bonk.wav");
+	effects[DEATH] = load_effect("assets/Sounds/FX/death.wav");
+	effects[COIN] = load_effect("assets/Sounds/FX/coin.wav");
+	effects[BOTTLE] = load_effect("assets/Sounds/FX/bottle.wav");
+	effects[BUBBLE0] = load_effect("assets/Sounds/FX/bubble.wav");
+	effects[BUBBLE1] = load_effect("assets/Sounds/FX/bubble2.wav");
+	effects[BUBBLE2] = load_effect("assets/Sounds/FX/bubble3.wav");
+	effects[EAT] = load_effect("assets/Sounds/FX/eat.wav");
+	effects[LEVEL_UP] = load_effect("assets/Sounds/FX/level_up.wav");
+	effects[NEXT_LEVEL] = load_effect("assets/Sounds/FX/next_level.wav");
+	effects[SPLAT] = load_effect("assets/Sounds/FX/splat.wav");
 }
 
 void
@@ -27,9 +61,7 @@ mixer_init(void)
 		fatal("Failed to load sound: %s", Mix_GetError());
 	}
 	load_effects();
-	music = Mix_LoadMUS("assets/Sounds/Music/fantasy-forest-battle.ogg");
-	if (music == NULL)
-		fatal("Failed to load music: %s", Mix_GetError());
+	load_music();
 }
 
 void
@@ -40,12 +72,12 @@ mixer_play_effect(Fx fx)
 }
 
 void
-mixer_play_music(void)
+mixer_play_music(Music mus)
 {
 	if (Mix_PlayingMusic())
-		return;
+		mixer_stop_music();
 
-	if (Mix_PlayMusic(music, -1) == -1)
+	if (Mix_PlayMusic(music[mus], -1) == -1)
 		fatal("Failed to play music");
 }
 
@@ -59,10 +91,9 @@ mixer_stop_music(void)
 void
 mixer_close(void)
 {
-	for (size_t i = 0; i < LAST_EFFECT; ++i) {
+	for (size_t i = 0; i < LAST_EFFECT; ++i)
 		Mix_FreeChunk(effects[i]);
-	}
-	if (music)
-		Mix_FreeMusic(music);
+	for (size_t i = 0; i < LAST_MUSIC; ++i)
+		Mix_FreeMusic(music[i]);
 	Mix_CloseAudio();
 }

src/mixer.h

@@ -3,8 +3,31 @@
 
 #include <stdbool.h>
 
+typedef enum Music_t {
+	MENU_MUSIC,
+	GAME_MUSIC0,
+	GAME_MUSIC1,
+	GAME_MUSIC2,
+	LAST_MUSIC
+} Music;
+
 typedef enum Fx_t {
 	CLICK,
+	SWING0,
+	SWING1,
+	SWING2,
+	SWORD_HIT,
+	BONK,
+	DEATH,
+	COIN,
+	BOTTLE,
+	BUBBLE0,
+	BUBBLE1,
+	BUBBLE2,
+	EAT,
+	LEVEL_UP,
+	NEXT_LEVEL,
+	SPLAT,
 	LAST_EFFECT
 } Fx;
 
@@ -15,7 +38,7 @@ void
 mixer_play_effect(Fx fx);
 
 void
-mixer_play_music(void);
+mixer_play_music(Music);
 
 void
 mixer_stop_music(void);

src/player.c

@@ -9,6 +9,7 @@
 #include "item.h"
 #include "particle_engine.h"
 #include "keyboard.h"
+#include "mixer.h"
 
 #define ENGINEER_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
 #define MAGE_STATS	{ 12, 12, 5, 7, 2, 1, 1 }
@@ -19,6 +20,8 @@
 static void
 player_levelup(Player *player)
 {
+	mixer_play_effect(LEVEL_UP);
+
 	player->stats.lvl += 1;
 	player->stats.maxhp += 3;
 	player->stats.dmg += 5;
@@ -74,12 +77,17 @@ has_collided(Player *player, RoomMatrix *matrix)
 	if (space->monster != NULL) {
 		unsigned int hit = stats_fight(&player->stats,
 					       &space->monster->stats);
+
+		mixer_play_effect(SWING0 + (rand() % 3));
+
 		monster_hit(space->monster, hit);
 
-		if (hit > 0)
+		if (hit > 0) {
 			player->hits += 1;
-		else
+			mixer_play_effect(SWORD_HIT);
+		} else {
 			player->misses += 1;
+		}
 
 		if (hit > 0)
 			gui_log("You hit %s for %u damage",
@@ -91,11 +99,13 @@ has_collided(Player *player, RoomMatrix *matrix)
 			unsigned int gained_xp = 5 * space->monster->stats.lvl;
 			player->kills += 1;
 
+			mixer_play_effect(DEATH);
 			gui_log("You killed %s and gained %d xp",
 				space->monster->lclabel, gained_xp);
 			player_gain_xp(player, gained_xp);
 		}
 	} else if (collided) {
+		mixer_play_effect(BONK);
 		gui_log("Ouch! There is something in the way");
 	}
 
@@ -170,6 +180,7 @@ sip_health(Player *player)
 	if (player->potion_sips > 0) {
 		--player->potion_sips;
 		++player->stats.hp;
+		mixer_play_effect(BUBBLE0 + (rand() % 3));
 		gui_log("You take a sip of health potion");
 	} else {
 		gui_log("You have nothing to sip");