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rnd-20030828-2-src
[rocksndiamonds.git] / src / files.c
diff --git a/src/files.c b/src/files.c
index e17ef526412bcca6ec178c60922d4d50dacdb657..d9840486bf81bbf77fb0641882c2cbbf23eb7fe5 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -47,6 +47,54 @@
 /* level file functions                                                      */
 /* ========================================================================= */
 
+void setElementChangePages(struct ElementInfo *ei, int change_pages)
+{
+  int change_page_size = sizeof(struct ElementChangeInfo);
+
+  ei->num_change_pages = MAX(1, change_pages);
+
+  ei->change_page =
+    checked_realloc(ei->change_page, ei->num_change_pages * change_page_size);
+
+  if (ei->current_change_page >= ei->num_change_pages)
+    ei->current_change_page = ei->num_change_pages - 1;
+
+  ei->change = &ei->change_page[ei->current_change_page];
+}
+
+void setElementChangeInfoToDefaults(struct ElementChangeInfo *eci)
+{
+  int x, y;
+
+  eci->events = CE_BITMASK_DEFAULT;
+  eci->target_element = EL_EMPTY_SPACE;
+
+  eci->delay_fixed = 0;
+  eci->delay_random = 0;
+  eci->delay_frames = -1;      /* later set to reliable default value */
+
+  eci->trigger_element = EL_EMPTY_SPACE;
+
+  eci->explode = FALSE;
+  eci->use_content = FALSE;
+  eci->only_complete = FALSE;
+  eci->use_random_change = FALSE;
+  eci->random = 0;
+  eci->power = CP_NON_DESTRUCTIVE;
+
+  for(x=0; x<3; x++)
+    for(y=0; y<3; y++)
+      eci->content[x][y] = EL_EMPTY_SPACE;
+
+  eci->player_action = 0;
+  eci->collide_action = 0;
+  eci->other_action = 0;
+
+  eci->pre_change_function = NULL;
+  eci->change_function = NULL;
+  eci->post_change_function = NULL;
+}
+
 static void setLevelInfoToDefaults(struct LevelInfo *level)
 {
   int i, j, x, y;
@@ -87,6 +135,10 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
   strcpy(level->name, NAMELESS_LEVEL_NAME);
   strcpy(level->author, ANONYMOUS_NAME);
 
+  level->envelope[0] = '\0';
+  level->envelope_xsize = MAX_ENVELOPE_XSIZE;
+  level->envelope_ysize = MAX_ENVELOPE_YSIZE;
+
   for(i=0; i<LEVEL_SCORE_ELEMENTS; i++)
     level->score[i] = 10;
 
@@ -100,11 +152,17 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
   level->field[0][0] = EL_PLAYER_1;
   level->field[STD_LEV_FIELDX - 1][STD_LEV_FIELDY - 1] = EL_EXIT_CLOSED;
 
+  for (i=0; i < MAX_NUM_ELEMENTS; i++)
+  {
+    setElementChangePages(&element_info[i], 1);
+    setElementChangeInfoToDefaults(element_info[i].change);
+  }
+
   for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
   {
     int element = EL_CUSTOM_START + i;
 
-    for(j=0; j<MAX_ELEMENT_NAME_LEN + 1; j++)
+    for(j=0; j < MAX_ELEMENT_NAME_LEN + 1; j++)
       element_info[element].description[j] = '\0';
     if (element_info[element].custom_description != NULL)
       strncpy(element_info[element].description,
@@ -134,40 +192,19 @@ static void setLevelInfoToDefaults(struct LevelInfo *level)
       for(y=0; y<3; y++)
        element_info[element].content[x][y] = EL_EMPTY_SPACE;
 
-    element_info[element].change.events = CE_BITMASK_DEFAULT;
-    element_info[element].change.target_element = EL_EMPTY_SPACE;
-
-    element_info[element].change.delay_fixed = 0;
-    element_info[element].change.delay_random = 0;
-    element_info[element].change.delay_frames = -1;    /* use default */
-
-    element_info[element].change.trigger_element = EL_EMPTY_SPACE;
-
-    element_info[element].change.explode = FALSE;
-    element_info[element].change.use_content = FALSE;
-    element_info[element].change.only_complete = FALSE;
-    element_info[element].change.use_random_change = FALSE;
-    element_info[element].change.random = 0;
-    element_info[element].change.power = CP_NON_DESTRUCTIVE;
-
-    for(x=0; x<3; x++)
-      for(y=0; y<3; y++)
-       element_info[element].change.content[x][y] = EL_EMPTY_SPACE;
-
     element_info[element].access_type = 0;
     element_info[element].access_layer = 0;
     element_info[element].walk_to_action = 0;
     element_info[element].smash_targets = 0;
     element_info[element].deadliness = 0;
     element_info[element].consistency = 0;
-    element_info[element].change_player_action = 0;
-    element_info[element].change_collide_action = 0;
-    element_info[element].change_other_action = 0;
 
     element_info[element].can_explode_by_fire = FALSE;
     element_info[element].can_explode_smashed = FALSE;
     element_info[element].can_explode_impact = FALSE;
 
+    element_info[element].current_change_page = 0;
+
     /* start with no properties at all */
     for (j=0; j < NUM_EP_BITFIELDS; j++)
       Properties[element][j] = EP_BITMASK_DEFAULT;
@@ -454,7 +491,7 @@ static int LoadLevel_CUS2(FILE *file, int chunk_size, struct LevelInfo *level)
     int custom_target_element = getFile16BitBE(file);
 
     if (IS_CUSTOM_ELEMENT(element))
-      element_info[element].change.target_element = custom_target_element;
+      element_info[element].change->target_element = custom_target_element;
     else
       Error(ERR_WARN, "invalid custom element number %d", element);
   }
@@ -515,29 +552,29 @@ static int LoadLevel_CUS3(FILE *file, int chunk_size, struct LevelInfo *level)
        element_info[element].content[x][y] =
          checkLevelElement(getFile16BitBE(file));
 
-    element_info[element].change.events = getFile32BitBE(file);
+    element_info[element].change->events = getFile32BitBE(file);
 
-    element_info[element].change.target_element =
+    element_info[element].change->target_element =
       checkLevelElement(getFile16BitBE(file));
 
-    element_info[element].change.delay_fixed = getFile16BitBE(file);
-    element_info[element].change.delay_random = getFile16BitBE(file);
-    element_info[element].change.delay_frames = getFile16BitBE(file);
+    element_info[element].change->delay_fixed = getFile16BitBE(file);
+    element_info[element].change->delay_random = getFile16BitBE(file);
+    element_info[element].change->delay_frames = getFile16BitBE(file);
 
-    element_info[element].change.trigger_element =
+    element_info[element].change->trigger_element =
       checkLevelElement(getFile16BitBE(file));
 
-    element_info[element].change.explode = getFile8Bit(file);
-    element_info[element].change.use_content = getFile8Bit(file);
-    element_info[element].change.only_complete = getFile8Bit(file);
-    element_info[element].change.use_random_change = getFile8Bit(file);
+    element_info[element].change->explode = getFile8Bit(file);
+    element_info[element].change->use_content = getFile8Bit(file);
+    element_info[element].change->only_complete = getFile8Bit(file);
+    element_info[element].change->use_random_change = getFile8Bit(file);
 
-    element_info[element].change.random = getFile8Bit(file);
-    element_info[element].change.power = getFile8Bit(file);
+    element_info[element].change->random = getFile8Bit(file);
+    element_info[element].change->power = getFile8Bit(file);
 
     for(y=0; y<3; y++)
       for(x=0; x<3; x++)
-       element_info[element].change.content[x][y] =
+       element_info[element].change->content[x][y] =
          checkLevelElement(getFile16BitBE(file));
 
     element_info[element].slippery_type = getFile8Bit(file);
@@ -1015,12 +1052,12 @@ static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
   {
     int element = EL_CUSTOM_START + i;
 
-    if (element_info[element].change.target_element != EL_EMPTY_SPACE)
+    if (element_info[element].change->target_element != EL_EMPTY_SPACE)
     {
       if (check < num_changed_custom_elements)
       {
        putFile16BitBE(file, element);
-       putFile16BitBE(file, element_info[element].change.target_element);
+       putFile16BitBE(file, element_info[element].change->target_element);
       }
 
       check++;
@@ -1076,27 +1113,27 @@ static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
          for(x=0; x<3; x++)
            putFile16BitBE(file, element_info[element].content[x][y]);
 
-       putFile32BitBE(file, element_info[element].change.events);
+       putFile32BitBE(file, element_info[element].change->events);
 
-       putFile16BitBE(file, element_info[element].change.target_element);
+       putFile16BitBE(file, element_info[element].change->target_element);
 
-       putFile16BitBE(file, element_info[element].change.delay_fixed);
-       putFile16BitBE(file, element_info[element].change.delay_random);
-       putFile16BitBE(file, element_info[element].change.delay_frames);
+       putFile16BitBE(file, element_info[element].change->delay_fixed);
+       putFile16BitBE(file, element_info[element].change->delay_random);
+       putFile16BitBE(file, element_info[element].change->delay_frames);
 
-       putFile16BitBE(file, element_info[element].change.trigger_element);
+       putFile16BitBE(file, element_info[element].change->trigger_element);
 
-       putFile8Bit(file, element_info[element].change.explode);
-       putFile8Bit(file, element_info[element].change.use_content);
-       putFile8Bit(file, element_info[element].change.only_complete);
-       putFile8Bit(file, element_info[element].change.use_random_change);
+       putFile8Bit(file, element_info[element].change->explode);
+       putFile8Bit(file, element_info[element].change->use_content);
+       putFile8Bit(file, element_info[element].change->only_complete);
+       putFile8Bit(file, element_info[element].change->use_random_change);
 
-       putFile8Bit(file, element_info[element].change.random);
-       putFile8Bit(file, element_info[element].change.power);
+       putFile8Bit(file, element_info[element].change->random);
+       putFile8Bit(file, element_info[element].change->power);
 
        for(y=0; y<3; y++)
          for(x=0; x<3; x++)
-           putFile16BitBE(file, element_info[element].change.content[x][y]);
+           putFile16BitBE(file, element_info[element].change->content[x][y]);
 
        putFile8Bit(file, element_info[element].slippery_type);
 
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