-- Genre one of milestone 1:  a shoot-em-up.  Kinds spawned by the dozen, bullets that collide,
-- health, a spawner, a HUD document, sound, and a game over -- none of which the first slice could
-- say.  Everything is a box, so the description needs no art.
return {
	title   = "Author test:  shoot-em-up",
	layers  = { { kind = "overlay" }, { kind = "hud", document = "testScripts/author/hud.rml", bind = { score = "score", lives = "lives" } } },
	vars    = { score = 0, lives = 3 },

	kinds = {
		ship   = { look = { kind = "box", w = 28, h = 20, r = 120, g = 220, b = 255 },
		           vars = { health = 1 },
		           behaviours = { { kind = "keys", player = 1, left = "LEFT", right = "RIGHT", up = "UP", down = "DOWN", fire = "SPACE" },
		                          { kind = "mover", speed = 260, clamp = true },
		                          { kind = "shooter", spawns = "shot", rate = 0.15, offsetY = -14 },
		                          { kind = "health", max = 1, keep = true },
		                          { kind = "sound", hit = "testScripts/crackle.wav" } } },
		shot   = { look = { kind = "box", w = 4, h = 10, r = 255, g = 255, b = 160 },
		           behaviours = { { kind = "projectile", vx = 0, vy = -520, life = 3 } } },
		raider = { look = { kind = "box", w = 26, h = 18, r = 240, g = 80, b = 80 },
		           vars = { health = 2 },
		           behaviours = { { kind = "drift", vx = 0, vy = 90 },
		                          { kind = "health", max = 2 },
		                          { kind = "sound", death = "testScripts/crackle.wav" } } },
		hive   = { look = { kind = "none" },
		           behaviours = { { kind = "spawner", spawns = "raider", every = 0.6, max = 6, total = 12,
		                            points = { { x = 100, y = -20 }, { x = 300, y = -20 }, { x = 500, y = -20 }, { x = 640, y = -20 } } } } }
	},

	rooms = {
		{ name = "space",
		  entities = {
			{ kind = "ship", id = "ship", x = 360, y = 420 },
			{ kind = "hive", id = "hive", x = 360, y = -20 }
		  } }
	},

	rules = {
		{ note = "A shot lands on a raider",
		  on   = "collision", a = "shot", b = "raider",
		  act  = { { "destroy", entity = "self" },
		           { "damage", entity = "other", amount = 1 },
		           { "addScore", amount = 10 } } },

		{ note = "A raider dies",
		  on   = "death", kind = "raider",
		  act  = { { "emit", entity = "self", count = 24, r = 255, g = 120, b = 60 },
		           { "addScore", amount = 50 } } },

		{ note = "A raider rams the ship",
		  on   = "collision", a = "raider", b = "ship",
		  act  = { { "destroy", entity = "self" },
		           { "damage", entity = "other", amount = 1 } } },

		{ note = "The ship is lost",
		  on   = "death", kind = "ship",
		  act  = { { "addVar", name = "lives", amount = -1 },
		           { "flash", r = 255, g = 60, b = 60, seconds = 0.3 },
		           { "setVar", entity = "self", name = "health", value = 1 },
		           { "moveTo", entity = "self", x = 360, y = 420 } } },

		{ note = "Out of lives",
		  on   = "frame",
		  when = { { "test", expr = "lives <= 0" } },
		  act  = { { "gameOver" } } },

		{ note = "A raider slips past the bottom",
		  on   = "frame", each = "raider",
		  when = { { "test", expr = "self.y > 500" } },
		  act  = { { "destroy", entity = "self" } } },

		{ note = "The wave is done",
		  on   = "frame",
		  when = { { "test", expr = 'count("raider") == 0 and hive.made >= 12' }, { "once", tag = "wave", scope = "game" } },
		  act  = { { "setVar", name = "cleared", value = true },
		           { "say", text = '"WAVE CLEAR"', seconds = 2 } } }
	}
}