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Add support for using NavAreas for navigation

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This commit is contained in:
Wojtek Figat
2021-01-18 13:18:26 +01:00
parent ba050b9eaa
commit fdc8e371c4
10 changed files with 155 additions and 9 deletions
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36
Source/Engine/Navigation/Navigation.cpp
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@@ -92,6 +92,12 @@ NavMeshRuntime* NavMeshRuntime::Get(const NavMeshProperties& navMeshProperties,
return result;
}
static_assert(ARRAY_COUNT(NavMeshRuntime::NavAreasCosts) == DT_MAX_AREAS, "Invalid nav areas amount limit.");
float NavMeshRuntime::NavAreasCosts[64];
#if COMPILE_WITH_DEBUG_DRAW
Color NavMeshRuntime::NavAreasColors[64];
#endif
bool NavAgentProperties::operator==(const NavAgentProperties& other) const
{
return Math::NearEqual(Radius, other.Radius) && Math::NearEqual(Height, other.Height) && Math::NearEqual(StepHeight, other.StepHeight) && Math::NearEqual(MaxSlopeAngle, other.MaxSlopeAngle);
@@ -176,13 +182,42 @@ void* rcAllocDefault(size_t size, rcAllocHint)
NavigationSettings::NavigationSettings()
{
// Init navmeshes
NavMeshes.Resize(1);
auto& navMesh = NavMeshes[0];
navMesh.Name = TEXT("Default");
// Init nav areas
NavAreas.Resize(2);
auto& areaNull = NavAreas[0];
areaNull.Name = TEXT("Null");
areaNull.Color = Color::Transparent;
areaNull.Id = 0;
areaNull.Cost = MAX_float;
auto& areaWalkable = NavAreas[1];
areaWalkable.Name = TEXT("Walkable");
areaWalkable.Color = Color::Transparent;
areaWalkable.Id = 63;
areaWalkable.Cost = 1;
}
IMPLEMENT_SETTINGS_GETTER(NavigationSettings, Navigation);
void NavigationSettings::Apply()
{
// Cache areas properties
for (auto& area : NavAreas)
{
if (area.Id < DT_MAX_AREAS)
{
NavMeshRuntime::NavAreasCosts[area.Id] = area.Cost;
#if USE_EDITOR
NavMeshRuntime::NavAreasColors[area.Id] = area.Color;
#endif
}
}
}
void NavigationSettings::Deserialize(DeserializeStream& stream, ISerializeModifier* modifier)
{
DESERIALIZE(AutoAddMissingNavMeshes);
@@ -219,6 +254,7 @@ void NavigationSettings::Deserialize(DeserializeStream& stream, ISerializeModifi
navMesh.Agent.StepHeight = WalkableMaxClimb;
navMesh.Agent.MaxSlopeAngle = WalkableMaxSlopeAngle;
}
DESERIALIZE(NavAreas);
}
bool NavigationService::Init()