HRESULT ParticleSystem::CreateRndTex(int size)
{
HRESULT hr = S_OK;
D3DXVECTOR4* randomValues = new D3DXVECTOR4[size];
for(int i = 0; i < size; i++)
{
randomValues[i].x = RndFloat(-1.0f, 1.0f);
randomValues[i].y = RndFloat(-1.0f, 1.0f);
randomValues[i].z = RndFloat(-1.0f, 1.0f);
randomValues[i].w = RndFloat(-1.0f, 1.0f);
}
D3D11_SUBRESOURCE_DATA subresData;
subresData.pSysMem = randomValues;
subresData.SysMemPitch = sizeof(D3DXVECTOR4) * size;
subresData.SysMemSlicePitch = sizeof(D3DXVECTOR4) * size;
D3D11_TEXTURE1D_DESC texDesc;
texDesc.Width = size;
texDesc.MipLevels = 1;
texDesc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
texDesc.Usage = D3D11_USAGE_IMMUTABLE;
texDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
texDesc.CPUAccessFlags = 0;
texDesc.MiscFlags = 0;
texDesc.ArraySize = 1;
ID3D11Texture1D* rndTex = NULL;
hr = this->gDevice->CreateTexture1D(&texDesc, &subresData, &rndTex);
if(FAILED(hr))
{
MessageBox(0, "Failed to create random texture", "CreateTexture1D", MB_ICONERROR);
}
D3D11_SHADER_RESOURCE_VIEW_DESC viewDesc;
viewDesc.Format = texDesc.Format;
viewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE1D;
viewDesc.Texture1D.MipLevels = texDesc.MipLevels;
viewDesc.Texture1D.MostDetailedMip = 0;
hr = this->gDevice->CreateShaderResourceView(rndTex, &viewDesc, &this->mRndTexSRV);
if(FAILED(hr))
{
MessageBox(0, "Failed to create shader resource view", "CreateShaderResourceView", MB_ICONERROR);
}
rndTex->Release();
delete [] randomValues;
return hr;
}
void LevelDirector::Update( float dt, IGameContext & context )
{
// Debug code to see current spawn parameters
{
//GetRender().DrawText( 0, 50, Color(255,255,255), 25, "%i% (%i/%i ~ %f)", m_sinkPercent, m_currentSinkPixels, m_initialSinkPixels, m_currentSinkPixels/(float)m_initialSinkPixels );
/*int totalObjects = 0;
for ( SpawnedVector::iterator iter = m_spawns.begin(); iter != m_spawns.end(); ++iter )
{
const GameObject *pObj = context.GetOjectsStorage().GetGameObject( iter->m_id );
if ( pObj )
++totalObjects;
}
IRender & render = GetRender();
render.DrawText( 0, 50, Color(255,255,255), 10, "Spawn timeout: %f", m_spawnTimeout );
render.DrawText( 0, 60, Color(255,255,255), 10, "Objects: %i/%i", totalObjects, m_maxObjects );
float totalProb = 0;
for ( AIProtoVector::iterator iter = m_protos.begin(); iter != m_protos.end(); ++iter )
{
totalProb += iter->m_spawnProb;
}
for ( AIProtoVector::iterator iter = m_protos.begin(); iter != m_protos.end(); ++iter )
{
SAIProto & p = *iter;
render.DrawText( 0, 70 + (iter-m_protos.begin())*10, Color(255,255,255), 10, "%10.10s: %3.3f %3.3f", p.m_objectProto.c_str(), iter->m_spawnProb, iter->m_spawnProb / totalProb );
}*/
}
// Creating target objects
if ( !m_targetObjectID.IsValid() )
{
if ( !m_createTargetRequestID.IsValid() )
{
SCreateObjectRequest::SData data;
data.x = m_targetObjectX;
data.y = m_targetObjectY;
m_createTargetRequestID = context.CreateGameObject( m_targetObjectProto, data );
}
else
{
m_targetObjectID = context.GetCreateRequestResult( m_createTargetRequestID );
assert( m_targetObjectID.IsValid() );
m_createTargetRequestID.Invalidate();
m_initialSinkPixels = 0;
const PhysicComponent *pPhys = context.GetOjectsStorage().GetPhysicComponent( context.GetOjectsStorage().GetGameObject( m_targetObjectID )->GetPhysicComponent() );
if ( pPhys )
{
for ( int x = 0; x < pPhys->m_collisionMask.GetWidth(); ++x )
{
if ( pPhys->m_collisionMask.Get( x, m_sinkLineY ) )
++m_initialSinkPixels;
}
}
m_currentSinkPixels = m_initialSinkPixels;
}
}
SpawnRequestRemover remover( this, context );
SpawnRequests::iterator newEnd = std::remove_if( m_requests.begin(), m_requests.end(), remover );
m_requests.erase( newEnd, m_requests.end() );
// Process spawn cooldowns
for ( AIProtoVector::iterator iter = m_protos.begin(); iter != m_protos.end(); ++iter )
{
if ( iter->m_spawnProb < 1.0f )
iter->m_spawnProb += iter->m_cooldownPerSecond * dt;
if ( iter->m_spawnProb > 1.0f )
iter->m_spawnProb = 1.0f;
}
// Process global spawn timeout
m_spawnTimeout -= dt;
if ( m_spawnTimeout > 0 )
return;
// Count objects by type
for ( CountMap::iterator iter = m_objectsCounts.begin(); iter != m_objectsCounts.end(); ++iter )
iter->second = 0;
const ObjectsStorage & storage = context.GetOjectsStorage();
int totalObjects = 0;
for ( int i = 0; i < (int)m_spawns.size(); ++i )
{
const SSpawnedObject & spawn = m_spawns[ i ];
const GameObject *pObj = storage.GetGameObject( spawn.m_id );
if ( pObj )
{
++m_objectsCounts[ spawn.m_proto ];
++totalObjects;
}
else
{
m_spawns.erase( m_spawns.begin() + i );
--i;
}
}
if ( totalObjects >= m_maxObjects )
return;
// Calculate total spawn probability for all objects
float totalProb = 0.0f;
for ( AIProtoVector::iterator iter = m_protos.begin(); iter != m_protos.end(); ++iter )
{
totalProb += iter->m_spawnProb;
}
if ( totalProb <= 0.0001f )
return;
// Choose an object to spawn based on relative weight
float prob1 = 0;
float rnd1 = RndFloat( 0, 1.0f );
for ( AIProtoVector::iterator iter = m_protos.begin(); iter != m_protos.end(); ++iter )
{
prob1 += iter->m_spawnProb / totalProb;
if ( rnd1 < prob1 )
{
SAIProto & p = *iter;
const int intervalIndex = RndInt( 0, (int)p.m_intervals.size() - 1 );
const SAIInterval & in = p.m_intervals[ intervalIndex ];
if ( in.m_schemesWeight <= 0 )
continue;
SCreateObjectRequest::SData data;
int dx = ( in.x2 <= in.x1 ) ? 0 : ( RndInt( 0, in.x2 - in.x1 ) );
int dy = ( in.y2 <= in.y1 ) ? 0 : ( RndInt( 0, in.y2 - in.y1 ) );
data.x = in.x1 + dx;
data.y = in.y1 + dy;
data.dir = in.dir;
int prob = 0;
int rnd = RndInt( 0, in.m_schemesWeight - 1 );
for ( SAIInterval::SchemeVector::const_iterator sIter = in.m_schemes.begin(); sIter != in.m_schemes.end(); ++sIter )
{
prob += sIter->m_weight;
if ( rnd < prob )
{
data.ai = sIter->m_aiName;
break;
}
}
m_requests.push_back( SSpawnRequest( context.CreateGameObject( p.m_objectProto, data ), iter - m_protos.begin() ) );
p.m_spawnProb = 0;
const float fillPercent = totalObjects / (float)m_maxObjects;
const int minSpawnTimeout = 100 + fillPercent * 500;
const int maxSpawnTimeout = 200 + fillPercent * 1000;
m_spawnTimeout = RndInt( minSpawnTimeout, maxSpawnTimeout ) / 1000.0f;
break;
}
}
}
