From 3213f41daeed034c8aa9b8be9e86796737a38a78 Mon Sep 17 00:00:00 2001
From: Bjørn Lindeijer <bjorn@lindeijer.nl>
Date: Sat, 2 Sep 2006 12:50:40 +0000
Subject: Applied patch by Bernard Lidicky, adding targetting nearest monster
 with either keyboard or mouse. Also made clicking beings in general a bit
 easier (patch applied by Bjørn Lindeijer).
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---
 src/beingmanager.cpp | 25 +++++++++++++++++++++++++
 src/beingmanager.h   | 17 +++++++++++++----
 src/game.cpp         | 12 ++++++++++++
 src/gui/gui.cpp      | 16 +++++++++++++++-
 src/localplayer.h    |  7 ++++++-
 5 files changed, 71 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/beingmanager.cpp b/src/beingmanager.cpp
index 25edeb24..027e08d3 100644
--- a/src/beingmanager.cpp
+++ b/src/beingmanager.cpp
@@ -159,3 +159,28 @@ void BeingManager::clear()
         mBeings.push_back(player_node);
     }
 }
+
+Being* BeingManager::findNearestLivingBeing(Uint16 x, Uint16 y, int maxdist,
+                                            Being::Type type)
+{
+    Being *closestBeing = NULL;
+    int dist = 0;
+
+    for (BeingIterator i = mBeings.begin(); i != mBeings.end(); i++)
+    {
+        Being *being = (*i);
+        int d = abs(being->mX - x) + abs(being->mY - y);
+
+        if ((being->getType() == type || type == Being::UNKNOWN)
+                && (d < dist || closestBeing == NULL)   // it is closer
+                && being->mAction != Being::DEAD        // no dead beings
+                && being->mAction != Being::MONSTER_DEAD
+           )
+        {
+            dist = d;
+            closestBeing = being;
+        }
+    }
+
+    return (maxdist >= dist) ? closestBeing : NULL;
+}
diff --git a/src/beingmanager.h b/src/beingmanager.h
index cfaf7fbf..152fb640 100644
--- a/src/beingmanager.h
+++ b/src/beingmanager.h
@@ -49,25 +49,34 @@ class BeingManager
         void setPlayer(LocalPlayer *player);
 
         /**
-         * Create a being and add it to the list of beings
+         * Create a being and add it to the list of beings.
          */
         Being* createBeing(Uint32 id, Uint16 job);
 
         /**
-         * Remove a Being
+         * Remove a Being.
          */
         void destroyBeing(Being *being);
 
         /**
-         * Return a specific id Being
+         * Return a specific id Being.
          */
         Being* findBeing(Uint32 id);
 
         /**
-         * Return a being at specific coordinates
+         * Return a being at specific coordinates.
          */
         Being* findBeing(Uint16 x, Uint16 y, Being::Type type = Being::UNKNOWN);
 
+        /**
+         * Return a being nearest to specific coordinates.
+         *
+         * \param maxdist maximal distance. If minimal distance is larger,
+         *                no being is returned
+         */
+        Being* findNearestLivingBeing(Uint16 x, Uint16 y, int maxdist,
+                                      Being::Type type = Being::UNKNOWN);
+
         /**
          * Returns the whole list of beings
          */
diff --git a/src/game.cpp b/src/game.cpp
index ed8ad827..7921c388 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -686,6 +686,18 @@ void Game::handleInput()
             player_node->attack(target, newTarget);
         }
 
+        // Target the nearest monster if 'a' pressed
+        if (keys[SDLK_a])
+        {
+            Being *target =
+                beingManager->findNearestLivingBeing(x, y, 20, Being::MONSTER);
+
+            if (target)
+            {
+                player_node->setTarget(target);
+            }
+        }
+
         if (joystick)
         {
             if (joystick->buttonPressed(1))
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index a0548e9c..6c46d636 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -280,7 +280,7 @@ Gui::mousePress(int mx, int my, int button)
         FloorItem *item;
 
         // Interact with some being
-        if ((being = beingManager->findBeing(tilex, tiley)))
+        if ((being = beingManager->findNearestLivingBeing(tilex, tiley, 1)))
         {
             switch (being->getType())
             {
@@ -317,6 +317,20 @@ Gui::mousePress(int mx, int my, int button)
             }
         }
     }
+
+    if (button == gcn::MouseInput::MIDDLE)
+    {
+        // Find the being nearest to the clicked position
+        Being *target = beingManager->findNearestLivingBeing(
+                player_node->mX,
+                player_node->mY,
+                20, Being::MONSTER);
+
+        if (target)
+        {
+            player_node->setTarget(target);
+        }
+    }
 }
 
 void
diff --git a/src/localplayer.h b/src/localplayer.h
index 1f8c836f..a3fe91f7 100644
--- a/src/localplayer.h
+++ b/src/localplayer.h
@@ -99,12 +99,17 @@ class LocalPlayer : public Player
          * Sets the trading state of the player, i.e. whether or not he is
          * currently involved into some trade.
          */
-        void setTrading(bool trading) { mTrading = trading; };
+        void setTrading(bool trading) { mTrading = trading; }
 
         void attack(Being *target=NULL, bool keep=false);
         void stopAttack();
         Being* getTarget() const;
 
+        /**
+         * Sets the target being of the player.
+         */
+        void setTarget(Being* target) { mTarget = target; }
+
         void walk(unsigned char dir);
 
         /**
-- 
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