+
+/*
+ =============================================================================
+ InitGameSound()
+ -----------------------------------------------------------------------------
+ initialize sound effect lookup table for element actions
+ =============================================================================
+*/
+
+void InitGameSound()
+{
+ int sound_effect_properties[NUM_SOUND_FILES];
+ int i, j;
+
+#if 0
+ debug_print_timestamp(0, NULL);
+#endif
+
+ /* initialize sound effect for all elements to "no sound" */
+ for (i=0; i<MAX_NUM_ELEMENTS; i++)
+ for (j=0; j<NUM_SND_ACTIONS; j++)
+ element_action_sound[i][j] = -1;
+
+ for (i=0; i<NUM_SOUND_FILES; i++)
+ {
+ int len_effect_text = strlen(sound_files[i].token);
+
+ sound_effect_properties[i] = SND_ACTION_UNKNOWN;
+ is_loop_sound[i] = FALSE;
+
+ /* determine all loop sounds and identify certain sound classes */
+
+ for (j=0; sound_action_properties[j].text; j++)
+ {
+ int len_action_text = strlen(sound_action_properties[j].text);
+
+ if (len_action_text < len_effect_text &&
+ strcmp(&sound_files[i].token[len_effect_text - len_action_text],
+ sound_action_properties[j].text) == 0)
+ {
+ sound_effect_properties[i] = sound_action_properties[j].value;
+
+ if (sound_action_properties[j].is_loop)
+ is_loop_sound[i] = TRUE;
+ }
+ }
+
+ /* associate elements and some selected sound actions */
+
+ for (j=0; j<MAX_NUM_ELEMENTS; j++)
+ {
+ if (element_info[j].sound_class_name)
+ {
+ int len_class_text = strlen(element_info[j].sound_class_name);
+
+ if (len_class_text + 1 < len_effect_text &&
+ strncmp(sound_files[i].token,
+ element_info[j].sound_class_name, len_class_text) == 0 &&
+ sound_files[i].token[len_class_text] == '.')
+ {
+ int sound_action_value = sound_effect_properties[i];
+
+ element_action_sound[j][sound_action_value] = i;
+ }
+ }
+ }
+ }
+
+#if 0
+ debug_print_timestamp(0, "InitGameEngine");
+#endif
+
+#if 0
+ /* TEST ONLY */
+ {
+ int element = EL_SAND;
+ int sound_action = SND_ACTION_DIGGING;
+ int j = 0;
+
+ while (sound_action_properties[j].text)
+ {
+ if (sound_action_properties[j].value == sound_action)
+ printf("element %d, sound action '%s' == %d\n",
+ element, sound_action_properties[j].text,
+ element_action_sound[element][sound_action]);
+ j++;
+ }
+ }
+#endif
+}
+
+
+/*
+ =============================================================================
+ InitGameEngine()
+ -----------------------------------------------------------------------------
+ initialize game engine due to level / tape version number
+ =============================================================================
+*/
+
+static void InitGameEngine()
+{
+ int i;
+
+ game.engine_version = (tape.playing ? tape.engine_version :
+ level.game_version);
+
+#if 0
+ printf("level %d: level version == %06d\n", level_nr, level.game_version);
+ printf(" tape version == %06d [%s] [file: %06d]\n",
+ tape.engine_version, (tape.playing ? "PLAYING" : "RECORDING"),
+ tape.file_version);
+ printf(" => game.engine_version == %06d\n", game.engine_version);
+#endif
+
+ /* dynamically adjust player properties according to game engine version */
+ game.initial_move_delay =
+ (game.engine_version <= VERSION_IDENT(2,0,1) ? INITIAL_MOVE_DELAY_ON :
+ INITIAL_MOVE_DELAY_OFF);
+
+ /* dynamically adjust player properties according to level information */
+ game.initial_move_delay_value =
+ (level.double_speed ? MOVE_DELAY_HIGH_SPEED : MOVE_DELAY_NORMAL_SPEED);
+
+ /* dynamically adjust element properties according to game engine version */
+ {
+ static int ep_em_slippery_wall[] =
+ {
+ EL_STEELWALL,
+ EL_WALL,
+ EL_WALL_GROWING,
+ EL_WALL_GROWING_X,
+ EL_WALL_GROWING_Y,
+ EL_WALL_GROWING_XY
+ };
+ static int ep_em_slippery_wall_num = SIZEOF_ARRAY_INT(ep_em_slippery_wall);
+
+ for (i=0; i<ep_em_slippery_wall_num; i++)
+ {
+ if (level.em_slippery_gems) /* special EM style gems behaviour */
+ Properties2[ep_em_slippery_wall[i]] |=
+ EP_BIT_EM_SLIPPERY_WALL;
+ else
+ Properties2[ep_em_slippery_wall[i]] &=
+ ~EP_BIT_EM_SLIPPERY_WALL;
+ }
+
+ /* "EL_WALL_GROWING_ACTIVE" wasn't slippery for EM gems in version 2.0.1 */
+ if (level.em_slippery_gems && game.engine_version > VERSION_IDENT(2,0,1))
+ Properties2[EL_WALL_GROWING_ACTIVE] |= EP_BIT_EM_SLIPPERY_WALL;
+ else
+ Properties2[EL_WALL_GROWING_ACTIVE] &=~EP_BIT_EM_SLIPPERY_WALL;
+ }
+
+ /* initialize changing elements information */
+ for (i=0; i<MAX_NUM_ELEMENTS; i++)
+ {
+ changing_element[i].base_element = EL_UNDEFINED;
+ changing_element[i].next_element = EL_UNDEFINED;
+ changing_element[i].change_delay = -1;
+ changing_element[i].pre_change_function = NULL;
+ changing_element[i].change_function = NULL;
+ changing_element[i].post_change_function = NULL;
+ }
+
+ i = 0;
+ while (changing_element_list[i].base_element != EL_UNDEFINED)
+ {
+ struct ChangingElementInfo *ce = &changing_element_list[i];
+ int element = ce->base_element;
+
+ changing_element[element].base_element = ce->base_element;
+ changing_element[element].next_element = ce->next_element;
+ changing_element[element].change_delay = ce->change_delay;
+ changing_element[element].pre_change_function = ce->pre_change_function;
+ changing_element[element].change_function = ce->change_function;
+ changing_element[element].post_change_function = ce->post_change_function;
+
+ i++;
+ }
+}
+
+
+/*
+ =============================================================================
+ InitGame()
+ -----------------------------------------------------------------------------
+ initialize and start new game
+ =============================================================================
+*/
+