Big update.

src/strategy/actions/TellCastFailedAction.cpp

@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
+ */
+
+#include "TellCastFailedAction.h"
+#include "Event.h"
+#include "ChatHelper.h"
+#include "Playerbots.h"
+
+bool TellCastFailedAction::Execute(Event event)
+{
+    WorldPacket p(event.getPacket());
+    p.rpos(0);
+    uint8 castCount, result;
+    uint32 spellId;
+    p >> castCount >> spellId >> result;
+    botAI->SpellInterrupted(spellId);
+
+    if (result == SPELL_CAST_OK)
+        return false;
+
+    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
+
+    std::ostringstream out;
+    out << chat->FormatSpell(spellInfo) << ": ";
+    switch (result)
+    {
+        case SPELL_FAILED_NOT_READY:
+            out << "not ready";
+            break;
+        case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
+            out << "requires spell focus";
+            break;
+        case SPELL_FAILED_REQUIRES_AREA:
+            out << "cannot cast here";
+            break;
+        case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
+            out << "requires item";
+            break;
+        case SPELL_FAILED_EQUIPPED_ITEM_CLASS_MAINHAND:
+        case SPELL_FAILED_EQUIPPED_ITEM_CLASS_OFFHAND:
+            out << "requires weapon";
+            break;
+        case SPELL_FAILED_PREVENTED_BY_MECHANIC:
+            out << "interrupted";
+            break;
+        default:
+            out << "cannot cast";
+    }
+
+    if (spellInfo->CalcCastTime() >= 2000)
+        botAI->TellError(out.str());
+
+    return true;
+}
+
+bool TellSpellAction::Execute(Event event)
+{
+    std::string const spell = event.getParam();
+    uint32 spellId = AI_VALUE2(uint32, "spell id", spell);
+    if (!spellId)
+        return false;
+
+    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
+    if (!spellInfo)
+        return false;
+
+    std::ostringstream out;
+    out << chat->FormatSpell(spellInfo);
+    botAI->TellError(out.str());
+    return true;
+}