void WorldRenderer::UpdateWaterBoxes( WaterQuad* quad )
{
// Create Boxes
if ( zShowWaterBoxes )
{
auto i = zWaterBoxes.find(quad);
if ( i != zWaterBoxes.end() )
{
// Calculate Positions
for( unsigned int x=0; x<4; ++x )
{
Vector3 position;
position = quad->GetPosition(x);
// Terrain Height Minimum
try
{
float terrainHeight = zWorld->CalcHeightAtWorldPos(position.GetXZ());
if ( position.y < terrainHeight ) position.y = terrainHeight;
}
catch(...)
{
}
i->second.zCubes[x]->SetPosition(position);
}
}
else
{
// Calculate Positions
Vector3 positions[4];
for( unsigned int x=0; x<4; ++x )
{
positions[x] = quad->GetPosition(x);
// Terrain Height Minimum
try
{
float terrainHeight = zWorld->CalcHeightAtWorldPos(positions[x].GetXZ());
if ( positions[x].y < terrainHeight ) positions[x].y = terrainHeight;
}
catch(...)
{
}
}
zWaterBoxes[quad].zCubes[0] = zGraphics->CreateMesh("Media/Models/Cube_1.obj", positions[0]);
zWaterBoxes[quad].zCubes[1] = zGraphics->CreateMesh("Media/Models/Cube_2.obj", positions[1]);
zWaterBoxes[quad].zCubes[2] = zGraphics->CreateMesh("Media/Models/Cube_3.obj", positions[2]);
zWaterBoxes[quad].zCubes[3] = zGraphics->CreateMesh("Media/Models/Cube_4.obj", positions[3]);
for( unsigned int x=0; x<4; ++x )
{
zWaterBoxes[quad].zCubes[x]->SetScale(1.0f/20.0f);
}
}
}
}
Actor* ProjectileArrowBehavior::RayVsMeshCollision( const Actor* actor, const Vector3& rayOrigin, float& range, const std::set<Actor*>& actors )
{
if( !actor || !actor->CanCollide() )
return NULL;
float rangeWithin = 1.0f + range;
PhysicsCollisionData data;
ProjectileActor* projActor = dynamic_cast<ProjectileActor*>(this->zActor);
if( !projActor )
return Behavior::RayVsMeshCollision(actor, rayOrigin, range, actors);
Actor* collide = NULL;
Actor* owner = NULL;
Vector3 pos = actor->GetPosition();
Vector3 dir = actor->GetDir();
owner = projActor->GetOwner();
if(!owner)
return NULL;
auto it_end = actors.end();
for (auto it = actors.begin(); it != it_end; it++)
{
if( *it == this->zActor )
continue;
if( *it == owner )
continue;
if( !(*it)->CanCollide() )
continue;
float distance = ( pos.GetXZ() - (*it)->GetPosition().GetXZ() ).GetLength();
if( distance > rangeWithin )
continue;
PhysicsObject* targetObject = (*it)->GetPhysicsObject();
data = GetPhysics()->GetCollisionRayMesh(rayOrigin, dir, targetObject);
if(data.collision && data.distance < range)
{
range = data.distance;
collide = (*it);
}
}
return collide;
}
bool ProjectileArrowBehavior::Update( float dt )
{
if(!zMoving)
return true;
Vector3 newPos;
Vector3 newDir;
// Update linear position.
newPos = this->zActor->GetPosition();
zVelocity.Normalize();
zVelocity *= zSpeed;
newPos += (zVelocity * dt);
newDir = zVelocity;
newDir.Normalize();
//Rotate Mesh
Vector3 ProjectileStartDirection = Vector3(0,0,-1);
Vector3 ProjectileMoveDirection = newDir;
ProjectileStartDirection.Normalize();
Vector3 around = ProjectileStartDirection.GetCrossProduct(ProjectileMoveDirection);
float angle = acos(ProjectileStartDirection.GetDotProduct(ProjectileMoveDirection));
//Set Values
this->zActor->SetPosition(newPos, false);
this->zActor->SetRotation(Vector4(0.0f, 0.0f, 0.0f, 1.0f));
this->zActor->SetRotation(around, angle);
this->zActor->SetDir(newDir);
/**Check If the arrow is outside the world.**/
if( !this->zWorld->IsInside(newPos.GetXZ()) )
{
Stop();
this->zActor->SetPosition(newPos);
return true;
}
//**Check if the projectile has hit the ground**
float yValue = std::numeric_limits<float>::lowest();
try
{
yValue = this->zWorld->CalcHeightAtWorldPos(newPos.GetXZ());
}
catch(...)
{
Stop();
this->zActor->SetPosition(newPos);
return true;
}
// If true, stop the projectile and return.
float middle = zLength * 0.5f;
float yTip = newPos.y - middle;
if(yTip <= yValue )
{
middle += yValue;
newPos.y = middle;
this->Stop();
this->zActor->SetPosition(newPos);
return true;
}
//**Update Velocity for next update**
// Update linear velocity from the acceleration.
this->zVelocity += (GRAVITY * dt);
// Impose drag.
this->zVelocity *= pow(zDamping, dt);
//Update-Notify Position
this->zActor->SetPosition(newPos);
/***Check collisions***/
//Check if the arrow has hit a dynamic actor
Actor* collide = RayVsMeshDynamicActorCollision(zLength, newPos);
if(collide)
{
this->Stop();
ProjectileArrowCollide PAC;
PAC.zActor = collide;
NotifyObservers(&PAC);
if( BioActor* bioActor = dynamic_cast<BioActor*>(collide) )
{
if( bioActor->IsAlive() )
{
ProjectileActor* projActor = dynamic_cast<ProjectileActor*>(this->zActor);
bioActor->TakeDamage( projActor->GetDamage(), projActor->GetOwner() );
}
}
this->zHitTarget = collide;
return true;
}
//Check if the arrow has hit a static actor
collide = RayVsMeshStaticActorCollision(zLength, newPos);
if(collide)
{
this->Stop();
ProjectileArrowCollide PAC;
PAC.zActor = collide;
NotifyObservers(&PAC);
this->zHitTarget = collide;
return true;
}
return false;
}
bool WorldRenderer::Update()
{
// Update Terrain Routine
UpdateTerrain();
// Cam Pos
Vector3 camPos = zGraphics->GetCamera()->GetPosition();
// Don't update grass if we don't have a world
if ( zWorld )
{
// Check if we should render grass
zGraphics->SetGrassFilePath("Media/Grass.png");
if ( zGraphics->GetRenderGrassFlag() )
{
if ( (zLastGrassUpdatePos - camPos.GetXZ()).GetLength() >= zGrassUpdateDistance )
{
std::map<Vector2UINT, int> grassSectors;
// Remove Current Grass Sectors
for( auto i = zGrass.cbegin(); i != zGrass.cend(); ++i )
{
grassSectors[i->first]--;
}
// Insert New Sectors
std::set<Vector2UINT> newSectorsSet;
zWorld->GetSectorsInCicle(camPos.GetXZ(), zGrassFarDistance, newSectorsSet);
for( auto i = newSectorsSet.cbegin(); i != newSectorsSet.cend(); ++i )
{
grassSectors[*i]++;
}
// Update Sector Grasses
for( auto i = grassSectors.cbegin(); i != grassSectors.cend(); ++i )
{
if ( i->second < 0 )
{
auto grassIt = zGrass.find(i->first);
if ( grassIt != zGrass.cend() )
{
if ( grassIt->second )
{
zGraphics->DeleteBillboardCollection(grassIt->second);
}
zGrass.erase(grassIt);
}
}
else if ( i->second > 0 )
{
GenerateGrass(i->first);
}
}
zLastGrassUpdatePos = camPos.GetXZ();
}
}
}
// Check Distance
if ( (zLastEntUpdatePos - camPos).GetLength() > 10.0f )
{
// Update Existing LOD
for( auto i = zEntities.cbegin(); i != zEntities.cend(); ++i )
{
zEntsToUpdate.insert(i->first);
}
// Scan New Entities
if ( zWorld )
{
zWorld->GetEntitiesInCircle(camPos.GetXZ(), zGraphics->GetEngineParameters().FarClip, zEntsToUpdate);
}
// Update Position
zLastEntUpdatePos = camPos;
}
// Update a between 10% and a minimum of 25
unsigned int x = zEntsToUpdate.size() / 10;
if ( x < 25 ) x = 25;
if ( x > 100 ) x = 100;
auto i = zEntsToUpdate.begin();
while( i != zEntsToUpdate.end() )
{
SetEntityGraphics(*i);
i = zEntsToUpdate.erase(i);
if ( !x || !--x ) break;
}
// Check if there is more to be updated
return ( zEntsToUpdate.size() > 0 || zUpdatesRequired.size() > 0 );
}
