void PlatformGenerator::addObjectsToPlatform(Platform& p, const Engine& e)
{
// Some constants
const int MaxYounglingClusters = 4;
const int MinYounglingClusters = 2;
const int MaxYounglingsInCluster = 3;
const int MinYounglingsInCluster = 3;
if(p.x() > m_minBlockLength * 16) // don't add objects to the very first platform
{
// Add younglings.
// Younglings come in groups of 1, 2 or 3.
// There can be up to 4 groups of younglings on one platform
// There's at least two groups on each platform.
// They are positioned randomly.
int clusters = MinYounglingClusters + rand() % (MaxYounglingClusters - MinYounglingClusters + 1);
GameObjectPtr next_youngling(new Youngling(e, 0, 0));
int max_cluster_width = next_youngling -> width() * MaxYounglingsInCluster;
int yng_x = rand() % (p.width() - max_cluster_width); // X coordinate offset from the start of the platform
int yng_y = p.y() - next_youngling -> height(); // Y coordinate
// Place groups one after another, leaving some space between them.
// If we exceed the length of the platform, wrap around.
for(int c = 0; c < clusters; ++c) // Generate younglings for each group
{
int yng_count = MinYounglingsInCluster + rand() % (MaxYounglingsInCluster - MinYounglingsInCluster + 1);
yng_x = (yng_x + max_cluster_width) % (p.width() - max_cluster_width);
// Place each youngling in the group
for(int c = 0; c < yng_count; ++c)
{
next_youngling.reset(new Youngling(e, p.x() + yng_x, yng_y));
p.addObject(GameObjectPtr(next_youngling));
yng_x += next_youngling -> width();
}
}
// Add meanies.
// Meanies come in the following combinations:
// a single Walker
// a single Jumper
// Jumper - Walker
// Jumper - Flyer
// Walker - Flyer
int r = rand() % 5;
switch(r)
{
case 0:
p.addObject(GameObjectPtr(new MeanWalker(e, p.x() + 16, p.y() - 9, p.x(), p.x() + p.width())));
break;
case 1:
p.addObject(GameObjectPtr(new MeanJumper(e, p.x() + p.width()/2, p.y() - 10, p.x(), p.x() + p.width())));
break;
case 2:
p.addObject(GameObjectPtr(new MeanWalker(e, p.x() + 16, p.y() - 9, p.x(), p.x() + p.width())));
p.addObject(GameObjectPtr(new MeanJumper(e, p.x() + p.width()/2, p.y() - 10, p.x(), p.x() + p.width())));
break;
case 3:
p.addObject(GameObjectPtr(new MeanFlyer(e, p.x() + p.width()/4, p.y() - 32, p.x(), p.x() + p.width())));
p.addObject(GameObjectPtr(new MeanWalker(e, p.x() + 16, p.y() - 9, p.x(), p.x() + p.width())));
break;
case 4:
p.addObject(GameObjectPtr(new MeanFlyer(e, p.x() + p.width()/4, p.y() - 32, p.x(), p.x() + p.width())));
p.addObject(GameObjectPtr(new MeanJumper(e, p.x() + p.width()/2, p.y() - 10, p.x(), p.x() + p.width())));
break;
}
// Add a heart with 1/3 probability
if(rand() % 3 == 0)
{
p.addObject(GameObjectPtr(new Heart(e, p.x() + rand() % p.width(), p.y() - (16 + rand() % 5))));
}
}
}
