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added support for fallback text file for element description files
[rocksndiamonds.git] / src / editor.c
diff --git a/src/editor.c b/src/editor.c
index 282c530025ca3a893370b3080e65f4392f798d89..e5d956709d9408f9c96090a185d2677de2669727 100644 (file)
--- a/src/editor.c
+++ b/src/editor.c
@@ -2009,6 +2009,9 @@ static struct ValueTextInfo options_change_direct_action[] =
   { CE_HEADLINE_SPECIAL_EVENTS,        "[mouse events]"                },
   { CE_CLICKED_BY_MOUSE,       "clicked by mouse"              },
   { CE_PRESSED_BY_MOUSE,       "pressed by mouse"              },
+  { CE_UNDEFINED,              " "                             },
+  { CE_HEADLINE_SPECIAL_EVENTS,        "[static states]"               },
+  { CE_NEXT_TO_PLAYER,         "next to player"                },
 
   { -1,                                NULL                            }
 };
@@ -2042,6 +2045,10 @@ static struct ValueTextInfo options_change_other_action[] =
   { CE_HEADLINE_SPECIAL_EVENTS,        "[mouse events]"                },
   { CE_MOUSE_CLICKED_ON_X,     "mouse clicked on"              },
   { CE_MOUSE_PRESSED_ON_X,     "mouse pressed on"              },
+  { CE_UNDEFINED,              " "                             },
+  { CE_HEADLINE_SPECIAL_EVENTS,        "[static states]"               },
+  { CE_PLAYER_NEXT_TO_X,       "player next to"                },
+  { CE_NEXT_TO_X,              "next to"                       },
 
   { -1,                                NULL                            }
 };
@@ -5265,6 +5272,41 @@ static int *editor_el_group_ptr = editor_el_group;
 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
 
+static int editor_hl_empty_space[] =
+{
+  EL_INTERNAL_CASCADE_ES_ACTIVE,
+  EL_CHAR('E'),
+  EL_CHAR('S'),
+  EL_EMPTY,
+};
+
+static int editor_el_empty_space[] =
+{
+  EL_EMPTY_SPACE_1,
+  EL_EMPTY_SPACE_2,
+  EL_EMPTY_SPACE_3,
+  EL_EMPTY_SPACE_4,
+
+  EL_EMPTY_SPACE_5,
+  EL_EMPTY_SPACE_6,
+  EL_EMPTY_SPACE_7,
+  EL_EMPTY_SPACE_8,
+
+  EL_EMPTY_SPACE_9,
+  EL_EMPTY_SPACE_10,
+  EL_EMPTY_SPACE_11,
+  EL_EMPTY_SPACE_12,
+
+  EL_EMPTY_SPACE_13,
+  EL_EMPTY_SPACE_14,
+  EL_EMPTY_SPACE_15,
+  EL_EMPTY_SPACE_16
+};
+static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
+static int *editor_el_empty_space_ptr = editor_el_empty_space;
+static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
+static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
+
 static int editor_hl_reference[] =
 {
   EL_INTERNAL_CASCADE_REF_ACTIVE,
@@ -5477,6 +5519,12 @@ editor_elements_info[] =
     &editor_hl_group_ptr,              &num_editor_hl_group,
     &editor_el_group_ptr,              &num_editor_el_group
   },
+  {
+    &setup_editor_el_custom,
+    &setup.editor_cascade.el_es,
+    &editor_hl_empty_space_ptr,                &num_editor_hl_empty_space,
+    &editor_el_empty_space_ptr,                &num_editor_el_empty_space
+  },
   {
     &setup_editor_el_custom,
     &setup.editor_cascade.el_ref,
@@ -5562,7 +5610,7 @@ static char *getElementInfoText(int element)
 
 static char *getElementDescriptionFilenameExt(char *basename)
 {
-  char *elements_subdir = "elements";
+  char *elements_subdir = ELEMENTS_DIRECTORY;
   static char *elements_subdir2 = NULL;
   static char *filename = NULL;
 
@@ -5603,6 +5651,11 @@ static char *getElementDescriptionFilename(int element)
   if (filename != NULL)
     return filename;
 
+  // 3rd try: look for generic fallback text file for any element
+  filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
+  if (filename != NULL)
+    return filename;
+
   return NULL;
 }
 
@@ -8205,7 +8258,8 @@ static void CopyCustomElementPropertiesToEditor(int element)
 
   // set "change by direct action" selectbox help value
   custom_element_change.direct_action =
-    (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
+    (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
+     HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
@@ -8229,7 +8283,8 @@ static void CopyCustomElementPropertiesToEditor(int element)
 
   // set "change by other element action" selectbox help value
   custom_element_change.other_action =
-    (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
+    (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
+     HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
@@ -8239,6 +8294,7 @@ static void CopyCustomElementPropertiesToEditor(int element)
      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
+     HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
@@ -8263,6 +8319,11 @@ static void CopyGroupElementPropertiesToEditor(int element)
   custom_element = element_info[element];      // needed for description
 }
 
+static void CopyEmptyElementPropertiesToEditor(int element)
+{
+  custom_element = element_info[element];
+}
+
 static void CopyClassicElementPropertiesToEditor(int element)
 {
   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
@@ -8280,6 +8341,8 @@ static void CopyElementPropertiesToEditor(int element)
     CopyCustomElementPropertiesToEditor(element);
   else if (IS_GROUP_ELEMENT(element))
     CopyGroupElementPropertiesToEditor(element);
+  else if (IS_EMPTY_ELEMENT(element))
+    CopyEmptyElementPropertiesToEditor(element);
   else
     CopyClassicElementPropertiesToEditor(element);
 }
@@ -8367,6 +8430,7 @@ static void CopyCustomElementPropertiesToGame(int element)
   // ---------- element settings: advanced (custom elements) ------------------
 
   // set player change event from checkbox and selectbox
+  custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
@@ -8391,6 +8455,7 @@ static void CopyCustomElementPropertiesToGame(int element)
     custom_element_change_events[CE_BY_DIRECT_ACTION];
 
   // set other element action change event from checkbox and selectbox
+  custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
@@ -8401,6 +8466,7 @@ static void CopyCustomElementPropertiesToGame(int element)
   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
+  custom_element_change_events[CE_NEXT_TO_X] = FALSE;
   custom_element_change_events[CE_TOUCHING_X] = FALSE;
   custom_element_change_events[CE_HITTING_X] = FALSE;
   custom_element_change_events[CE_DIGGING_X] = FALSE;
@@ -8449,6 +8515,21 @@ static void CopyGroupElementPropertiesToGame(int element)
   InitElementPropertiesGfxElement();
 }
 
+static void CopyEmptyElementPropertiesToGame(int element)
+{
+  // mark that this empty element has been modified
+  custom_element.modified_settings = TRUE;
+  level.changed = TRUE;
+
+  if (level.use_custom_template)
+    AskToCopyAndModifyLevelTemplate();
+
+  element_info[element] = custom_element;
+
+  // needed here to restore runtime value "element_info[element].gfx_element"
+  InitElementPropertiesGfxElement();
+}
+
 static void CopyClassicElementPropertiesToGame(int element)
 {
   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
@@ -8466,6 +8547,8 @@ static void CopyElementPropertiesToGame(int element)
     CopyCustomElementPropertiesToGame(element);
   else if (IS_GROUP_ELEMENT(element))
     CopyGroupElementPropertiesToGame(element);
+  else if (IS_EMPTY_ELEMENT(element))
+    CopyEmptyElementPropertiesToGame(element);
   else
     CopyClassicElementPropertiesToGame(element);
 }
@@ -9829,6 +9912,7 @@ static boolean checkPropertiesConfig(int element)
   if (IS_GEM(element) ||
       IS_CUSTOM_ELEMENT(element) ||
       IS_GROUP_ELEMENT(element) ||
+      IS_EMPTY_ELEMENT(element) ||
       IS_BALLOON_ELEMENT(element) ||
       IS_ENVELOPE(element) ||
       IS_MM_MCDUFFIN(element) ||
@@ -10252,6 +10336,23 @@ static void DrawPropertiesConfig(void)
 
     draw_footer_line = TRUE;
   }
+  else if (IS_EMPTY_ELEMENT(properties_element))
+  {
+    // draw stickybutton gadget
+    MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
+
+    // draw checkbutton gadgets
+    MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
+    MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
+
+    // draw textbutton gadgets
+    MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
+
+    // draw drawing area gadgets
+    MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
+
+    draw_footer_line = TRUE;
+  }
 
   // draw little footer border line above CE/GE use/save template gadgets
   if (draw_footer_line)
@@ -13644,9 +13745,11 @@ static void HandleCheckbuttons(struct GadgetInfo *gi)
     boolean template_related_changes_found = FALSE;
     int i;
 
-    // check if any custom or group elements have been changed
+    // check if any custom, group or empty elements have been changed
     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
-      if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
+      if ((IS_CUSTOM_ELEMENT(i) ||
+          IS_GROUP_ELEMENT(i) ||
+          IS_EMPTY_ELEMENT(i)) &&
          element_info[i].modified_settings)
        template_related_changes_found = TRUE;
 
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