Hidden orc camp (sub-quest to #129)

[davedotluebke]

Part of the "rid the village of orcs" quest (#129) is to find the orc camp. To make this more interesting, we will hide the camp in a large (10x10 or larger) prairie created using the "endless terrain" functionality. The camp will be located in a random location (seeded by the time the gameserver was started, and thus different every day as the server reboots daily) and difficult to find by random exploration. Fortunately for the player, the orcs leave occasional footprints leading to or away from the camp. Some number of paths (maybe 4?) are randomly generated from the camp to the corners or edges of the prairie, and along the path there is a chance (perhaps 60%) that the orcs have left footprints. Once the player comes across a path, they can follow the footprints (occasionally losing the trail and needing to cast about to pick it up again) until it leads them to the orc camp.

• [x] merge in endless terrain branch
• [x] add game start time as an attribute to Game class
• [x] create endless prairie
  • [x] port endless caverns to 2D with higher connectivity
  • [x] add appropriate descriptions
  • [ ] add occasional useful items? (e.g. flowers for potions, small critters to kill for grinding)
• [x] randomly place orc camp
• [x] generate random paths to/from camp
  • [x] figure out algorithm for winding through prairie rooms without getting stuck
  • [x] create footprints Scenery in rooms along path that, upon inspection, point the direction to the next room in the path
• [x] create rooms for orc camp itself

[davedotluebke]

Closing this issue. Can add useful items and grinding targets to prairie later.