Add various new features to the schema

Addresses #3730

This is everything I could find by perusing the commit log.
I may have missed something, however.

data/schema/core/actionwml.cfg

@@ -190,6 +190,7 @@
 		{FILTER_TAG "filter" unit {INSERT_TAG}}
 		{SIMPLE_KEY x s_int}
 		{SIMPLE_KEY y s_int}
+		{SIMPLE_KEY location_id string}
 		{DEFAULT_KEY clear_shroud s_bool yes}
 		{DEFAULT_KEY animate s_bool no}
 		{DEFAULT_KEY check_passability s_bool yes}
@@ -202,6 +203,7 @@
 		{SIMPLE_KEY y s_int}
 		{SIMPLE_KEY mask map_data}
 		{SIMPLE_KEY mask_file string}
+		{SIMPLE_KEY alignment mask_alignment}
 		{DEFAULT_KEY border s_bool no}
 		[tag]
 			name="rule"
@@ -248,6 +250,7 @@
 		{DEFAULT_KEY animate s_bool yes}
 		{SIMPLE_KEY x s_coordinates}
 		{SIMPLE_KEY y s_coordinates}
+		{SIMPLE_KEY location_id string}
 	[/tag]
 	[tag]
 		name="allow_recruit,disallow_recruit,set_recruit"
@@ -343,6 +346,8 @@
 		{SIMPLE_KEY to_x s_range_list}
 		{SIMPLE_KEY to_y s_range_list}
 		{SIMPLE_KEY to_location string}
+		{SIMPLE_KEY dir dir_list}
+		{DEFAULT_KEY clear_shroud s_bool no}
 		{DEFAULT_KEY fire_event s_bool no}
 		{DEFAULT_KEY check_passability s_bool yes}
 		{SIMPLE_KEY force_scroll s_bool}
@@ -485,7 +490,8 @@
 		name="replace_map"
 		max=infinite
 		{INSERT_TAG}
-		{SIMPLE_KEY map map_data}
+		{DEPRECATED_KEY map map_data}
+		{SIMPLE_KEY map_data map_data}
 		{SIMPLE_KEY map_file string}
 		{DEFAULT_KEY expand s_bool no}
 		{DEFAULT_KEY shrink s_bool no}
@@ -550,6 +556,7 @@
 			{SIMPLE_KEY value string}
 			{SIMPLE_KEY x s_int}
 			{SIMPLE_KEY y s_int}
+			{SIMPLE_KEY location_id string}
 			[tag]
 				name="from"
 				{SIMPLE_KEY x s_int}
@@ -621,6 +628,8 @@
 		{DEFAULT_KEY highlight s_bool yes}
 		{SIMPLE_KEY sound string_list}
 		{SIMPLE_KEY voice string_list}
+		{SIMPLE_KEY male_voice string_list}
+		{SIMPLE_KEY female_voice string_list}
 		{SIMPLE_KEY variable string}
 		{FORMATTING_KEYS}
 		{SHOW_IF_TAG}
@@ -732,6 +741,7 @@
 		{SIMPLE_KEY name string}
 		# Override some supertag keys to allow variable substitutions
 		{DEFAULT_KEY visible_in_fog s_bool yes}
+		{FILTER_TAG "filter_side" side ()}
 	[/tag]
 	[tag]
 		name="remove_item"
@@ -1197,13 +1207,14 @@
 			{SIMPLE_KEY facing dir}
 			{SIMPLE_KEY x s_coordinates}
 			{SIMPLE_KEY y s_coordinates}
+			{SIMPLE_KEY location_id string}
 		[/tag]
 	[/tag]
 	[tag]
 		name="random_placement"
 		max=infinite
 		{INSERT_TAG}
-		{REQUIRED_KEY num_items f_unsigned,s_unsigned}
+		{REQUIRED_KEY num_items f_unsigned,s_unsigned,s_int_percent}
 		{REQUIRED_KEY variable string}
 		{DEFAULT_KEY min_distance s_unsigned 0}
 		{DEFAULT_KEY allow_less s_bool no}

data/schema/core/addons.cfg

@@ -117,7 +117,6 @@
 	{SIMPLE_KEY terrain_liked terrain_list}
 [/tag]
 
-# TODO: Is [event] really allowed at toplevel, outside a [scenario] or [era]?
 [tag]
 	name="event"
 	max=infinite
@@ -458,6 +457,7 @@
 		{SIMPLE_KEY image string}
 		{SIMPLE_KEY mask string}
 		{SIMPLE_KEY lawful_bonus int}
+		{SIMPLE_KEY liminal_bonus int}
 		{SIMPLE_KEY red int}
 		{SIMPLE_KEY green int}
 		{SIMPLE_KEY blue int}

data/schema/core/conditionalwml.cfg

@@ -36,6 +36,7 @@
 		{SIMPLE_KEY less_than_equal_to string}
 		{SIMPLE_KEY boolean_equals string}
 		{SIMPLE_KEY boolean_not_equals string}
+		{SIMPLE_KEY formula formula}
 	[/tag]
 	[tag]
 		name="found_item"

data/schema/filters/location.cfg

@@ -14,7 +14,7 @@
 	{SIMPLE_KEY radius s_int}
 	{SIMPLE_KEY formula formula}
 	{SIMPLE_KEY lua_function string}
-	{SIMPLE_KEY location_id string}
+	{SIMPLE_KEY location_id string_list}
 
 	{FILTER_TAG "filter" unit ()}
 	{FILTER_TAG "filter_owner" side ()}

data/schema/filters/unit.cfg

@@ -31,6 +31,8 @@
 	{SIMPLE_KEY lua_function string}
 	{SIMPLE_KEY ai_special string}
 	{SIMPLE_KEY recall_cost s_range_list}
+	{SIMPLE_KEY usage string}
+	{SIMPLE_KEY alignment alignment}
 
 	[tag]
 		name="filter_wml"

data/schema/game_config.cfg

@@ -88,6 +88,11 @@
         name=alignment
         value="lawful|neutral|chaotic|liminal"
     [/type]
+    [type]
+        name=mask_alignment
+        value="even|odd"
+        # TODO: Document the third option once we finalize its name
+    [/type]
     [type]
         name=ai_usage
         value="scout|fighter|archer|mixed fighter|healer|null"
@@ -388,10 +393,8 @@
         [tag]
             name="lua"
             max=infinite
-            [key]
-                name="code"
-                type="string"
-            [/key]
+            {SIMPLE_KEY name string}
+            {SIMPLE_KEY code string}
             {DATA_TAG args 0 1}
         [/tag]
     [/tag]

data/schema/units/abilities.cfg

@@ -1,4 +1,13 @@
 
+#define BASED_ON_SPECIAL NAME
+	[tag]
+		name={NAME}
+		max=infinite
+		super="units/unit_type/attack/specials/" + {NAME}
+		{FILTER_TAG "filter_student" unit ()}
+	[/tag]
+#enddef
+
 [tag]
 	# Using invalid characters to ensure it doesn't match a real tag.
 	name="~generic~"
@@ -69,12 +78,16 @@
 	name="resistance"
 	max=infinite
 	super="units/unit_type/abilities/~value~"
+	{FILTER_TAG "filter_weapon" weapon ()}
+	{FILTER_TAG "filter_second_weapon" weapon ()}
 [/tag]
 [tag]
 	name="leadership"
 	max=infinite
 	super="units/unit_type/abilities/~generic~"
 	{SIMPLE_KEY value f_int}
+	{FILTER_TAG "filter_weapon" weapon ()}
+	{FILTER_TAG "filter_second_weapon" weapon ()}
 [/tag]
 [tag]
 	name="illuminates"
@@ -119,8 +132,15 @@
 	super="units/unit_type/abilities/~generic~"
 	{FILTER_TAG "filter_second_weapon" weapon ()}
 [/tag]
+{BASED_ON_SPECIAL "attacks"}
+{BASED_ON_SPECIAL "chance_to_hit"}
+{BASED_ON_SPECIAL "damage"}
+{BASED_ON_SPECIAL "drains"}
+{BASED_ON_SPECIAL "berserk"}
 [tag]
 	name="*"
 	max=infinite
 	super="units/unit_type/abilities/~generic~"
 [/tag]
+
+#undef BASED_ON_SPECIAL