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[10272] Add option for search distance to getHeight() functions and make Creature::FallGround() use VMaps properly.

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This finally prevents flying creatures from falling to infinity (basically instantly diappearing) in several instances,
aswell as prevent creatures from falling inside larger solid object around the world.

Default height search is untouched, needs more research on how creature AI etc. will be affected.
This commit is contained in:
Lynx3d 2010-07-26 08:08:36 +02:00
parent 747d1ebdcf
commit 730b4deaaf
10 changed files with 18 additions and 26 deletions
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4
src/game/Map.h
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@ -79,6 +79,8 @@ enum LevelRequirementVsMode
#define MAX_HEIGHT 100000.0f // can be use for find ground height at surface
#define INVALID_HEIGHT -100000.0f // for check, must be equal to VMAP_INVALID_HEIGHT, real value for unknown height is VMAP_INVALID_HEIGHT_VALUE
#define MAX_FALL_DISTANCE 250000.0f // "unlimited fall" to find VMap ground if it is available, just larger than MAX_HEIGHT - INVALID_HEIGHT
#define DEFAULT_HEIGHT_SEARCH 10.0f // default search distance to find height at nearby locations
#define MIN_UNLOAD_DELAY 1 // immediate unload
class MANGOS_DLL_SPEC Map : public GridRefManager<NGridType>, public MaNGOS::ObjectLevelLockable<Map, ACE_Thread_Mutex>
@ -150,7 +152,7 @@ class MANGOS_DLL_SPEC Map : public GridRefManager<NGridType>, public MaNGOS::Obj
// some calls like isInWater should not use vmaps due to processor power
// can return INVALID_HEIGHT if under z+2 z coord not found height
float GetHeight(float x, float y, float z, bool pCheckVMap=true) const;
float GetHeight(float x, float y, float z, bool pCheckVMap=true, float maxSearchDist=DEFAULT_HEIGHT_SEARCH) const;
bool IsInWater(float x, float y, float z, GridMapLiquidData *data = 0) const;
GridMapLiquidStatus getLiquidStatus(float x, float y, float z, uint8 ReqLiquidType, GridMapLiquidData *data = 0) const;