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Update ConfusedMovementGenerator with some coordinate sanity checks.

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Please leave feedback on how this affects:
- Confused movement (polymorph, blind, etc)
- Stability with vmaps enabled

--HG--
branch : trunk
This commit is contained in:
Machiavelli
2010-06-27 04:54:51 +02:00
parent 5870b57532
commit 85114979f8
1 changed files with 29 additions and 21 deletions
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src/server/game/Movement/MovementGenerators/ConfusedMovementGenerator.cpp
+28 -20
View File
@@ -47,36 +47,44 @@ ConfusedMovementGenerator<T>::Initialize(T &unit)
bool is_water_ok, is_land_ok;
_InitSpecific(unit, is_water_ok, is_land_ok);
VMAP::IVMapManager *vMaps = VMAP::VMapFactory::createOrGetVMapManager();
for (uint8 idx = 0; idx <= MAX_CONF_WAYPOINTS; ++idx)
{
const float wanderX = wander_distance*rand_norm() - wander_distance/2;
const float wanderY = wander_distance*rand_norm() - wander_distance/2;
i_waypoints[idx][0] = x + wanderX;
i_waypoints[idx][1] = y + wanderY;
float wanderX = x + wander_distance*rand_norm() - wander_distance/2;
float wanderY = y + wander_distance*rand_norm() - wander_distance/2;
Trinity::NormalizeMapCoord(wanderX);
Trinity::NormalizeMapCoord(wanderY);
const bool isInLoS = vMaps->isInLineOfSight(unit.GetMapId(), x, y, z + 2.0f, i_waypoints[idx][0], i_waypoints[idx][1], z + 2.0f);
if (!isInLoS)
float new_z = map->GetHeight(wanderX, wanderY, z, true);
if (new_z > INVALID_HEIGHT && unit.IsWithinLOS(wanderX, wanderY, new_z))
{
i_waypoints[idx][0] = x;
i_waypoints[idx][1] = y;
// Don't move in water if we're not already in
// Don't move on land if we're not already on it either
bool is_water_now = map->IsInWater(x, y, z);
bool is_water_next = map->IsInWater(wanderX, wanderY, new_z);
if ((is_water_now && !is_water_next && !is_land_ok) || (!is_water_now && is_water_next && !is_water_ok))
{
i_waypoints[idx][0] = idx > 0 ? i_waypoints[idx-1][0] : x; // Back to previous location
i_waypoints[idx][1] = idx > 0 ? i_waypoints[idx-1][1] : y;
i_waypoints[idx][2] = idx > 0 ? i_waypoints[idx-1][2] : z;
continue;
}
// prevent invalid coordinates generation
Trinity::NormalizeMapCoord(i_waypoints[idx][0]);
Trinity::NormalizeMapCoord(i_waypoints[idx][1]);
bool is_water = map->IsInWater(i_waypoints[idx][0],i_waypoints[idx][1],z);
// if generated wrong path just ignore
if ((is_water && !is_water_ok) || (!is_water && !is_land_ok))
// Taken from FleeingMovementGenerator
if (!(new_z - z) || wander_distance / fabs(new_z - z) > 1.0f)
{
i_waypoints[idx][0] = wanderX;
i_waypoints[idx][1] = wanderY;
i_waypoints[idx][2] = new_z;
continue;
}
}
else // Back to previous location
{
i_waypoints[idx][0] = idx > 0 ? i_waypoints[idx-1][0] : x;
i_waypoints[idx][1] = idx > 0 ? i_waypoints[idx-1][1] : y;
i_waypoints[idx][2] = idx > 0 ? i_waypoints[idx-1][2] : z;
continue;
}
unit.UpdateGroundPositionZ(i_waypoints[idx][0],i_waypoints[idx][1],z);
i_waypoints[idx][2] = z;
}
unit.SetUInt64Value(UNIT_FIELD_TARGET, 0);