reuse period/offset markers for intermittent diggers

1 files changed, 30 insertions, 0 deletions

diff --git a/util.lua b/util.lua
index 3f1d732..63903b1 100644
--- a/util.lua
+++ b/util.lua
@@ -240,4 +240,34 @@ digtron.is_soft_material = function(target)
 		return true
 	end
 	return false
+end
+
+digtron.show_offset_markers = function(pos, offset, period)
+	local buildpos = digtron.find_new_pos(pos, minetest.get_node(pos).param2)
+	local x_pos = math.floor((buildpos.x+offset)/period)*period - offset
+	minetest.add_entity({x=x_pos, y=buildpos.y, z=buildpos.z}, "digtron:marker")
+	if x_pos >= buildpos.x then
+		minetest.add_entity({x=x_pos - period, y=buildpos.y, z=buildpos.z}, "digtron:marker")
+	end
+	if x_pos <= buildpos.x then
+		minetest.add_entity({x=x_pos + period, y=buildpos.y, z=buildpos.z}, "digtron:marker")
+	end
+
+	local y_pos = math.floor((buildpos.y+offset)/period)*period - offset
+	minetest.add_entity({x=buildpos.x, y=y_pos, z=buildpos.z}, "digtron:marker_vertical")
+	if y_pos >= buildpos.y then
+		minetest.add_entity({x=buildpos.x, y=y_pos - period, z=buildpos.z}, "digtron:marker_vertical")
+	end
+	if y_pos <= buildpos.y then
+		minetest.add_entity({x=buildpos.x, y=y_pos + period, z=buildpos.z}, "digtron:marker_vertical")
+	end
+
+	local z_pos = math.floor((buildpos.z+offset)/period)*period - offset
+	minetest.add_entity({x=buildpos.x, y=buildpos.y, z=z_pos}, "digtron:marker"):setyaw(1.5708)
+	if z_pos >= buildpos.z then
+		minetest.add_entity({x=buildpos.x, y=buildpos.y, z=z_pos - period}, "digtron:marker"):setyaw(1.5708)
+	end
+	if z_pos <= buildpos.z then
+		minetest.add_entity({x=buildpos.x, y=buildpos.y, z=z_pos + period}, "digtron:marker"):setyaw(1.5708)
+	end
 end
\ No newline at end of file