Merge branch 'master' of github.com:wesnoth/wesnoth

changelog

@@ -1,6 +1,11 @@
 Version 1.11.10+dev:
  * Add-ons server:
    * Filenames with whitespace in them are no longer allowed.
+ * AI:
+   * Non-default multiplayer and Micro AIs:
+     * Fixed bugs which could lead to the AIs being disabled for the rest of the
+       turn if WML events removed or changed units during the AI turn
+     * Improved error reporting of invalid AI actions
  * Campaigns:
    * Eastern Invasion:
      * Updated maps for scenario 8, 11, 12, 14, 16 and 17a.

data/ai/lua/generic_recruit_engine.lua

@@ -559,7 +559,7 @@ return {
             until recruit_type ~= nil
 
             if wesnoth.unit_types[recruit_type].cost <= wesnoth.sides[wesnoth.current.side].gold then
-                ai.recruit(recruit_type, recruit_data.recruit.best_hex[1], recruit_data.recruit.best_hex[2])
+                AH.checked_recruit(ai, recruit_type, recruit_data.recruit.best_hex[1], recruit_data.recruit.best_hex[2])
 
                 -- If the recruited unit cannot reach the target hex, return it to the pool of targets
                 if recruit_data.recruit.target_hex ~= nil and recruit_data.recruit.target_hex[1] ~= nil then

data/ai/lua/generic_rush_engine.lua

@@ -254,7 +254,7 @@ return {
             if AH.print_exec() then print_time('   Executing castle_switch CA') end
             if AH.show_messages() then W.message { speaker = leader.id, message = 'Switching castles' } end
 
-            ai.move(leader, self.data.leader_target[1], self.data.leader_target[2])
+            AH.checked_move(ai, leader, self.data.leader_target[1], self.data.leader_target[2])
             self.data.leader_target = nil
         end
 
@@ -493,12 +493,14 @@ return {
             local defender = wesnoth.get_unit(self.data.attack.target.x, self.data.attack.target.y)
 
             AH.movefull_stopunit(ai, attacker, self.data.attack.dst.x, self.data.attack.dst.y)
+            if (not attacker) or (not attacker.valid) then return end
+            if (not defender) or (not defender.valid) then return end
 
             -- Find the poison weapon
             -- If several attacks have poison, this will always find the last one
             local is_poisoner, poison_weapon = AH.has_weapon_special(attacker, "poison")
 
-            ai.attack(attacker, defender, poison_weapon)
+            AH.checked_attack(ai, attacker, defender, poison_weapon)
 
             self.data.attack = nil
         end
@@ -604,7 +606,7 @@ return {
             if target then
                 local x, y = wesnoth.find_vacant_tile(target[1], target[2], unit)
                 local dest = AH.next_hop(unit, x, y)
-                ai.move(unit, dest[1], dest[2])
+                AH.checked_move(ai, unit, dest[1], dest[2])
             end
         end
 

data/ai/lua/move_to_any_target.lua

@@ -44,7 +44,7 @@ return {
         end
 
         function move_to_any_target:move_to_enemy_exec()
-            ai.move(self.data.unit, self.data.destination[1], self.data.destination[2])
+            AH.checked_move(ai, self.data.unit, self.data.destination[1], self.data.destination[2])
         end
 
         return move_to_any_target

src/ai/configuration.cpp

@@ -402,7 +402,7 @@ bool configuration::upgrade_side_config_from_1_07_02_to_1_07_03(side_number side
 
 
 		BOOST_FOREACH(const config &aitarget, aiparam.child_range("target")) {
-			lg::wml_error << deprecate_wml_key_warning("target", "1.12.0") << "\n";
+			lg::wml_error << deprecate_wml_key_warning("target", "1.13.0") << "\n";
 			config aigoal;
 			transfer_turns_and_time_of_day_data(aiparam,aigoal);
 
@@ -421,7 +421,7 @@ bool configuration::upgrade_side_config_from_1_07_02_to_1_07_03(side_number side
 
 
 		BOOST_FOREACH(config &ai_protect_unit, aiparam.child_range("protect_unit")) {
-			lg::wml_error << deprecate_wml_key_warning("protect_unit", "1.12.0") << "\n";
+			lg::wml_error << deprecate_wml_key_warning("protect_unit", "1.13.0") << "\n";
 			transfer_turns_and_time_of_day_data(aiparam,ai_protect_unit);
 			upgrade_protect_goal_config_from_1_07_02_to_1_07_03(side,ai_protect_unit,parsed_cfg,true);
 		}
@@ -429,7 +429,7 @@ bool configuration::upgrade_side_config_from_1_07_02_to_1_07_03(side_number side
 
 
 		BOOST_FOREACH(config &ai_protect_location, aiparam.child_range("protect_location")) {
-			lg::wml_error << deprecate_wml_key_warning("protect_location", "1.12.0") << "\n";
+			lg::wml_error << deprecate_wml_key_warning("protect_location", "1.13.0") << "\n";
 			transfer_turns_and_time_of_day_data(aiparam,ai_protect_location);
 			upgrade_protect_goal_config_from_1_07_02_to_1_07_03(side,ai_protect_location,parsed_cfg,false);
 		}
@@ -438,14 +438,14 @@ bool configuration::upgrade_side_config_from_1_07_02_to_1_07_03(side_number side
 
 		if (const config::attribute_value *v = aiparam.get("protect_leader"))
 		{
-			lg::wml_error << deprecate_wml_key_warning("protect_leader", "1.12.0") << "\n";
+			lg::wml_error << deprecate_wml_key_warning("protect_leader", "1.13.0") << "\n";
 			config c;
 			c["value"] = *v;
 			c["canrecruit"] = true;
 			c["side_number"] = side;
 			transfer_turns_and_time_of_day_data(aiparam,c);
 			if (const config::attribute_value *v = aiparam.get("protect_leader_radius")) {
-				lg::wml_error << deprecate_wml_key_warning("protect_leader_radius", "1.12.0") << "\n";
+				lg::wml_error << deprecate_wml_key_warning("protect_leader_radius", "1.13.0") << "\n";
 				c["radius"] = *v;
 			}