add target tooltips for entities

FactoryCraft/Entity.cpp

@@ -125,11 +125,30 @@ void ActionTarget::toMessage(
     {
         if (zTarget->entityId >= 0)
         {
-            char* message = new char[6];
-            message[0] = 3;
-            message[1] = 1;
-            *(int*)(message + 2) = zTarget->entityId;
-            zMsg->setMessage(message, 6);
+            Entity* zEntity = Game::INSTANCE->zEntity(zTarget->entityId);
+            if (zEntity)
+            {
+                Framework::XML::Element* targetUIML = zEntity->getTargetUIML();
+                Framework::Text targetUIMLText
+                    = targetUIML ? targetUIML->toString() : Framework::Text();
+                targetUIML->release();
+                char* message = new char[8 + targetUIMLText.getLength()];
+                message[0] = 3;
+                message[1] = 1;
+                *(int*)(message + 2) = zTarget->entityId;
+                *(short*)(message + 6) = (short)targetUIMLText.getLength();
+                memcpy(message + 8,
+                    targetUIMLText.getText(),
+                    targetUIMLText.getLength());
+                zMsg->setMessage(message, 8 + targetUIMLText.getLength());
+            }
+            else
+            {
+                char* message = new char[2];
+                message[0] = 3;
+                message[1] = 0;
+                zMsg->setMessage(message, 2);
+            }
         }
         else
         {
@@ -546,7 +565,7 @@ void Entity::calculateTarget(Framework::Vec3<float> basePos,
         break;
     }
     float distSq = Framework::Vec3<float>((float)px, (float)py, (float)pz)
-                     .abstandSq(headPosition);
+                       .abstandSq(headPosition);
     Entity* zte = Game::INSTANCE->zDimension(dimensionId)
                       ->zTarget(headPosition, direction, distSq);
     if (zte)
@@ -750,6 +769,15 @@ void Entity::onFall(float collisionSpeed)
     }
 }
 
+Framework::XML::Element* Entity::getTargetUIML() const
+{
+    return new Framework::XML::Element(
+        Framework::Text(
+            "<targetInfo><text id=\"type\" width=\"auto\" height=\"auto\">")
+        + Game::INSTANCE->zEntityType(typeId)->getName()
+        + "</text></targetInfo>");
+}
+
 void Entity::setChatSecurityLevel(int level)
 {
     chatSecurityLevel = level;

FactoryCraft/Entity.h

@@ -110,6 +110,7 @@ public:
 
     virtual bool interact(Item* zItem, Entity* zActor);
     virtual void onFall(float collisionSpeed);
+    virtual Framework::XML::Element* getTargetUIML() const;
     void setChatSecurityLevel(int level);
     void setPosition(Framework::Vec3<float> pos);
     virtual void takeDamage(Entity* zSource, float damage);