+ if ((!setup.sound_simple && !IS_LOOP_SOUND(nr)) ||
+ (!setup.sound_loops && IS_LOOP_SOUND(nr)))
+ return;
+
+ if (!IN_LEV_FIELD(x, y) ||
+ sx < -max_distance || sx >= SCR_FIELDX + max_distance ||
+ sy < -max_distance || sy >= SCR_FIELDY + max_distance)
+ return;
+
+ volume = SOUND_MAX_VOLUME;
+
+ if (!IN_SCR_FIELD(sx, sy))
+ {
+ int dx = ABS(sx - SCR_FIELDX / 2) - SCR_FIELDX / 2;
+ int dy = ABS(sy - SCR_FIELDY / 2) - SCR_FIELDY / 2;
+
+ volume -= volume * (dx > dy ? dx : dy) / max_distance;
+ }
+
+ stereo_position = (SOUND_MAX_LEFT +
+ (sx + max_distance) * SOUND_MAX_LEFT2RIGHT /
+ (SCR_FIELDX + 2 * max_distance));
+
+ if (IS_LOOP_SOUND(nr))
+ {
+ /* This assures that quieter loop sounds do not overwrite louder ones,
+ while restarting sound volume comparison with each new game frame. */
+
+ if (loop_sound_volume[nr] > volume && loop_sound_frame[nr] == FrameCounter)
+ return;
+
+ loop_sound_volume[nr] = volume;
+ loop_sound_frame[nr] = FrameCounter;
+ }
+
+ PlaySoundExt(nr, volume, stereo_position, type);
+}
+
+static void PlayLevelSoundNearest(int x, int y, int sound_action)
+{
+ PlayLevelSound(x < LEVELX(BX1) ? LEVELX(BX1) :
+ x > LEVELX(BX2) ? LEVELX(BX2) : x,
+ y < LEVELY(BY1) ? LEVELY(BY1) :
+ y > LEVELY(BY2) ? LEVELY(BY2) : y,
+ sound_action);
+}
+
+static void PlayLevelSoundAction(int x, int y, int action)
+{
+ PlayLevelSoundElementAction(x, y, Feld[x][y], action);
+}
+
+static void PlayLevelSoundElementAction(int x, int y, int element, int action)
+{
+ int sound_effect = element_info[SND_ELEMENT(element)].sound[action];
+
+ if (sound_effect != SND_UNDEFINED)
+ PlayLevelSound(x, y, sound_effect);
+}
+
+static void PlayLevelSoundElementActionIfLoop(int x, int y, int element,
+ int action)
+{
+ int sound_effect = element_info[SND_ELEMENT(element)].sound[action];
+
+ if (sound_effect != SND_UNDEFINED && IS_LOOP_SOUND(sound_effect))
+ PlayLevelSound(x, y, sound_effect);
+}
+
+static void PlayLevelSoundActionIfLoop(int x, int y, int action)
+{
+ int sound_effect = element_info[SND_ELEMENT(Feld[x][y])].sound[action];
+
+ if (sound_effect != SND_UNDEFINED && IS_LOOP_SOUND(sound_effect))
+ PlayLevelSound(x, y, sound_effect);
+}
+
+static void StopLevelSoundActionIfLoop(int x, int y, int action)
+{
+ int sound_effect = element_info[SND_ELEMENT(Feld[x][y])].sound[action];
+
+ if (sound_effect != SND_UNDEFINED && IS_LOOP_SOUND(sound_effect))
+ StopSound(sound_effect);
+}
+
+static void PlayLevelMusic()
+{
+ if (levelset.music[level_nr] != MUS_UNDEFINED)
+ PlayMusic(levelset.music[level_nr]); /* from config file */
+ else
+ PlayMusic(MAP_NOCONF_MUSIC(level_nr)); /* from music dir */
+}
+
+void PlayLevelSound_EM(int xx, int yy, int element_em, int sample)
+{
+ int element = (element_em > -1 ? map_element_EM_to_RND(element_em) : 0);
+ int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+ int x = xx - 1 - offset;
+ int y = yy - 1 - offset;
+
+ switch (sample)
+ {
+ case SAMPLE_blank:
+ PlayLevelSoundElementAction(x, y, element, ACTION_WALKING);
+ break;
+
+ case SAMPLE_roll:
+ PlayLevelSoundElementAction(x, y, element, ACTION_PUSHING);
+ break;
+
+ case SAMPLE_stone:
+ PlayLevelSoundElementAction(x, y, element, ACTION_IMPACT);
+ break;
+
+ case SAMPLE_nut:
+ PlayLevelSoundElementAction(x, y, element, ACTION_IMPACT);
+ break;
+
+ case SAMPLE_crack:
+ PlayLevelSoundElementAction(x, y, element, ACTION_BREAKING);
+ break;
+
+ case SAMPLE_bug:
+ PlayLevelSoundElementAction(x, y, element, ACTION_MOVING);
+ break;
+
+ case SAMPLE_tank:
+ PlayLevelSoundElementAction(x, y, element, ACTION_MOVING);
+ break;
+
+ case SAMPLE_android_clone:
+ PlayLevelSoundElementAction(x, y, element, ACTION_DROPPING);
+ break;
+
+ case SAMPLE_android_move:
+ PlayLevelSoundElementAction(x, y, element, ACTION_MOVING);
+ break;
+
+ case SAMPLE_spring:
+ PlayLevelSoundElementAction(x, y, element, ACTION_IMPACT);
+ break;
+
+ case SAMPLE_slurp:
+ PlayLevelSoundElementAction(x, y, element, ACTION_EATING);
+ break;
+
+ case SAMPLE_eater:
+ PlayLevelSoundElementAction(x, y, element, ACTION_WAITING);
+ break;
+
+ case SAMPLE_eater_eat:
+ PlayLevelSoundElementAction(x, y, element, ACTION_DIGGING);
+ break;
+
+ case SAMPLE_alien:
+ PlayLevelSoundElementAction(x, y, element, ACTION_MOVING);
+ break;
+
+ case SAMPLE_collect:
+ PlayLevelSoundElementAction(x, y, element, ACTION_COLLECTING);
+ break;
+
+ case SAMPLE_diamond:
+ PlayLevelSoundElementAction(x, y, element, ACTION_IMPACT);
+ break;
+
+ case SAMPLE_squash:
+ /* !!! CHECK THIS !!! */
+#if 1
+ PlayLevelSoundElementAction(x, y, element, ACTION_BREAKING);
+#else
+ PlayLevelSoundElementAction(x, y, element, ACTION_SMASHED_BY_ROCK);
+#endif
+ break;
+
+ case SAMPLE_wonderfall:
+ PlayLevelSoundElementAction(x, y, element, ACTION_FILLING);
+ break;
+
+ case SAMPLE_drip:
+ PlayLevelSoundElementAction(x, y, element, ACTION_IMPACT);
+ break;
+
+ case SAMPLE_push:
+ PlayLevelSoundElementAction(x, y, element, ACTION_PUSHING);
+ break;
+
+ case SAMPLE_dirt:
+ PlayLevelSoundElementAction(x, y, element, ACTION_DIGGING);
+ break;