Vein registration stuff.

depositgen/veins.lua

@@ -1,12 +1,45 @@
 -- experimental fast vein generator
 
-rocks.veins={}
+local l=depositgen.l
+local print=l.print
 
-table.insert(rocks.veins,{
+-- the public table of registered veins
+depositgen.veins={}
+local regs=depositgen.veins
+
+depositgen.register_vein= function(descr)
+ local vein={
+  ymin=(descr.ymin or -10000),
+  ymax=(descr.ymax or 200),
+  scarcity=descr.scarcity,
+  content={ name=descr.content },
+  scatter={}
+ }
+ table.insert(depositgen.l.ToResolve,vein.content)
+ for _,sc in pairs(descr.scatter) do
+  local psc={
+   scarcity=sc.scarcity,
+   size=(sc.size or vein.width),
+   density=sc.density,
+   content={ name=sc.content }
+  }
+  table.insert(depositgen.l.ToResolve,psc.content)
+  table.insert(vein.scatter,psc)
+ end
+ return table.insert(regs,vein)
+end
+
+do
+local sample_vein_def={
+ ymin=-200, ymax=-6,
  scarcity=80,
- 
-})
-
+ content="default:dirt",
+ scatter={
+  --{ scarcity=7, density=4, content="default:mese", size=2 }
+ }
+}
+depositgen.register_vein(sample_vein_def)
+end
 
 rocksl.genvein=function(minp,maxp,pr,vm,area)
  local t1 = os.clock()