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[8422] Implement far sight like spells work for long distance.

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* Added basic infrastructure for visibility update in case difference player and current view point.
  Just for note: seletect additional arg way beacuse repeatable search object will slow but store pointer will not safe,
  so use middle case: get view point pointer early as possible at visibility updates.
* Implement dynamic object and creature activisation while it's target of far sight spell effect
* Use this for SPELL_AURA_BIND_SIGHT, SPELL_AURA_FAR_SIGHT and SPELL_EFFECT_ADD_FARSIGHT.
* Note2: some spyglass like spells let look _around_ at long distance, this hard implement in current grid loading system
  Without additional changes and not implemented (you will see empty area without creatures in likes case)

* Also fixed warning spam at CMSG_MOVE_SET_CAN_FLY_ACK receive by use proper packet sructure reading.
This commit is contained in:
VladimirMangos 2009-08-26 08:18:30 +04:00
parent db1c9924a9
commit 45dd7140b5
28 changed files with 228 additions and 144 deletions
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6
src/game/Object.h
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@ -445,6 +445,8 @@ class MANGOS_DLL_SPEC WorldObject : public Object
float GetAngle( const WorldObject* obj ) const;
float GetAngle( const float x, const float y ) const;
bool HasInArc( const float arcangle, const WorldObject* obj ) const;
bool isInFrontInMap(WorldObject const* target,float distance, float arc = M_PI) const;
bool isInBackInMap(WorldObject const* target, float distance, float arc = M_PI) const;
virtual void CleanupsBeforeDelete(); // used in destructor or explicitly before mass creature delete to remove cross-references to already deleted units
@ -471,10 +473,10 @@ class MANGOS_DLL_SPEC WorldObject : public Object
void AddObjectToRemoveList();
// main visibility check function in normal case (ignore grey zone distance check)
bool isVisibleFor(Player const* u) const { return isVisibleForInState(u,false); }
bool isVisibleFor(Player const* u, WorldObject const* viewPoint) const { return isVisibleForInState(u,viewPoint,false); }
// low level function for visibility change code, must be define in all main world object subclasses
virtual bool isVisibleForInState(Player const* u, bool inVisibleList) const = 0;
virtual bool isVisibleForInState(Player const* u, WorldObject const* viewPoint, bool inVisibleList) const = 0;
void SetMap(Map * map);
Map * GetMap() const { ASSERT(m_currMap); return m_currMap; }