void SwarmGame::initialiseSwarm (EntityType type, int numEntities)
{
CCTextureCache* textureCache = CCTextureCache::sharedTextureCache();
CCSize size( float(m_map.width()), float(m_map.height()) );
EntityFactory& factory = EntityFactory::instance();
MobileEntity* entity = NULL, *mapEntity = NULL;
MapNode* node = NULL;
int x, y;
int mapHeight = m_map.height() * c_blockSize;
for ( int i = 0; i < numEntities; i++ )
{
if ( (entity = static_cast<MobileEntity*>(factory.createEntity (type))) )
{
// random position
x = rand() % static_cast<int>(size.width);
y = rand() % static_cast<int>(size.height);
if ( (node = m_map.nodeAt(x, y)) )
{
if ( node->isBlocking() )
{
// if we chose a spot that already has an entity, try again...
i--;
delete entity;
continue;
}
}
// if we get here, we can place the new entity
m_map.placeEntity<MobileEntity>(entity, x, y);
// add it to the swarm
CCTexture2D* entityTexture = NULL;
if (entity->isHuman())
m_HumanSwarm.addEntity(entity);
else
{
m_ZombieSwarm.addEntity(entity);
m_HumanSwarm.addTarget(entity);
}
// create an entity sprite structure for the visualisation
EntitySprite es;
entityTexture = textureCache->textureForKey(xmlDataManager::instance().getEntitySprite (entity->type()));
es.m_entity = dynamic_cast<MobileEntity*>(entity);
es.m_sprite = SpriteEntity::spriteWithEntity(entity);
es.m_sprite->setAnchorPoint( ccp(0.5, 0.5) );
es.m_sprite->setScaleX( c_blockSize/es.m_sprite->getContentSize().width );
es.m_sprite->setScaleY( c_blockSize/es.m_sprite->getContentSize().height );
es.m_sprite->setPosition( ccp(es.m_entity->x() * c_blockSize + c_blockSize/2, mapHeight - ((es.m_entity->y()+1) * c_blockSize + c_blockSize/2)) );
es.m_sprite->setMaxHealth( entity->hitPoints() );
m_mapLayer->addChild(es.m_sprite);
m_entitySprites.push_back(es);
}
}
}
