Core/Player: initial work on implementing talents for Cataclysm

- use a new structure to hold talent group data which will eventually replace the old master branch implementation
- added support for unlocking dual talent specialization and switching specs
- added basic support for learning and resetting talents

1 files changed, 19 insertions, 4 deletions

diff --git a/src/server/game/Handlers/SkillHandler.cpp b/src/server/game/Handlers/SkillHandler.cpp
index 9892f0e3c3d..758bab9f1fd 100644
--- a/src/server/game/Handlers/SkillHandler.cpp
+++ b/src/server/game/Handlers/SkillHandler.cpp
@@ -26,16 +26,32 @@
 #include "SpellPackets.h"
 #include "TalentPackets.h"
 
-void WorldSession::HandleLearnTalentOpcode(WorldPackets::Talent::LearnTalent& /*packet*/)
+void WorldSession::HandleLearnTalentOpcode(WorldPackets::Talent::LearnTalent& packet)
 {
+    if (_player->LearnTalent(packet.TalentID, packet.Rank))
+        _player->SendTalentsInfoData();
 }
 
-void WorldSession::HandleLearnPreviewTalentsOpcode(WorldPackets::Talent::LearnPreviewTalents& /*packet*/)
+void WorldSession::HandleLearnPreviewTalentsOpcode(WorldPackets::Talent::LearnPreviewTalents& packet)
 {
+    if (!_player->GetPrimaryTalentTree() && packet.TabIndex >= 0)
+        if (TalentTabEntry const* talentTab = sDB2Manager.GetTalentTabByIndex(_player->GetClassMask(), packet.TabIndex))
+            _player->SetPrimaryTalentTree(talentTab->ID, true);
+
+    for (auto const& talentInfo : packet.Talents)
+        if (!_player->LearnTalent(talentInfo.TalentID, talentInfo.Rank))
+            break;
+
+    _player->SendTalentsInfoData();
 }
 
-void WorldSession::HandleSetPrimaryTalentTreeOpcode(WorldPackets::Talent::SetPrimaryTalentTree& /*packet*/)
+void WorldSession::HandleSetPrimaryTalentTreeOpcode(WorldPackets::Talent::SetPrimaryTalentTree& packet)
 {
+    if (_player->GetPrimaryTalentTree() != 0 || packet.TabIndex < 0)
+        return;
+
+    if (TalentTabEntry const* talentTab = sDB2Manager.GetTalentTabByIndex(_player->GetClassMask(), packet.TabIndex))
+        _player->SetPrimaryTalentTree(talentTab->ID, true);
 }
 
 void WorldSession::HandleConfirmRespecWipeOpcode(WorldPackets::Talent::ConfirmRespecWipe& confirmRespecWipe)
@@ -63,7 +79,6 @@ void WorldSession::HandleConfirmRespecWipeOpcode(WorldPackets::Talent::ConfirmRe
     if (!_player->ResetTalents())
         return;
 
-    _player->SendTalentsInfoData();
     unit->CastSpell(_player, 14867, true);                  //spell: "Untalent Visual Effect"
 }