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*Some update of random movement generator

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--HG--
branch : trunk
This commit is contained in:
megamage
2009-05-09 10:49:55 -05:00
parent f5bae4d5ae
commit 1de3e5d8e8
1 changed files with 17 additions and 3 deletions
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src/game/RandomMovementGenerator.cpp
+17 -3
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@@ -58,6 +58,9 @@ RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
bool is_water_ok = creature.canSwim();
bool is_air_ok = creature.canFly();
for(uint32 i = 0;; ++i)
{
const float angle = rand_norm()*(M_PI*2);
const float range = rand_norm()*wander_distance;
const float distanceX = range * cos(angle);
@@ -72,6 +75,12 @@ RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
dist = (nx - X)*(nx - X) + (ny - Y)*(ny - Y);
if(i == 5)
{
nz = Z;
break;
}
if (is_air_ok) // 3D system above ground and above water (flying mode)
{
const float distanceZ = rand_norm() * sqrtf(dist)/2; // Limit height change
@@ -79,12 +88,13 @@ RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
float tz = map->GetHeight(nx, ny, nz-2.0f, false); // Map check only, vmap needed here but need to alter vmaps checks for height.
float wz = map->GetWaterLevel(nx, ny);
if (tz >= nz || wz >= nz)
return; // Problem here, we must fly above the ground and water, not under. Let's try on next tick
continue; // Problem here, we must fly above the ground and water, not under. Let's try on next tick
}
//else if (is_water_ok) // 3D system under water and above ground (swimming mode)
else // 2D only
{
dist = dist>=100.0f ? 10.0f : sqrtf(dist); // 10.0 is the max that vmap high can check (MAX_CAN_FALL_DISTANCE)
// The fastest way to get an accurate result 90% of the time.
// Better result can be obtained like 99% accuracy with a ray light, but the cost is too high and the code is too long.
nz = map->GetHeight(nx,ny,Z+dist-2.0f,false); // Map check
@@ -95,11 +105,14 @@ RandomMovementGenerator<Creature>::_setRandomLocation(Creature &creature)
{
nz = map->GetHeight(nx,ny,Z+dist-2.0f,true); // Vmap Higher
if (fabs(nz-Z)>dist)
return; // let's forget this bad coords where a z cannot be find and retry at next tick
continue; // let's forget this bad coords where a z cannot be find and retry at next tick
}
}
}
break;
}
Traveller<Creature> traveller(creature);
creature.SetOrientation(creature.GetAngle(nx,ny));
i_destinationHolder.SetDestination(traveller, nx, ny, nz);
@@ -130,7 +143,8 @@ RandomMovementGenerator<Creature>::Initialize(Creature &creature)
if(!creature.isAlive())
return;
wander_distance = creature.GetRespawnRadius();
if(!wander_distance)
wander_distance = creature.GetRespawnRadius();
if (creature.canFly())
creature.AddUnitMovementFlag(MOVEMENTFLAG_FLYING2);