Merge pull request #58 from TWLTriston/develop-tris

Glitter Ores Map Generation

locale/gen_ores/glitter_ores.lua

@@ -0,0 +1,72 @@
+-- Glittery ores, provide a mix value, and all patches outside uranium will be a full mix.
+glitter_debug = false
+
+function run_ores_module_setup()
+   if glitter_debug then game.print("Glitter Ore: debug is enabled; module setup;") end
+
+   ore_mix = {}
+   ore_ratios = {
+      ["iron-ore"] = 1.0,
+      ["coal"] = 0.5,
+      ["copper-ore"] = 1,
+      ["stone"] = 0.25
+   }
+   -- 1-100% chance of sprinkling any individual ore
+   sprinkle_factor = 100
+
+   -- Sets the buffer distance before ores are scrambled
+   starting_buffer = 125
+   
+   ore_mix_max = 0
+   -- Prime the array
+   for a,b in pairs(ore_ratios) do
+      for i=1,(b*1000) do
+         ore_mix_max = ore_mix_max + 1
+         ore_mix[ore_mix_max] = a
+      end
+   end
+end
+
+run_ores_module_setup()
+
+--generate ores for entire chunk
+function run_ores_module(event)
+	local area = event.area
+	local surface = event.surface
+   
+	if glitter_debug then 
+      game.print("Glitter ore: chunk generation") 
+   end
+
+   local chunk_mid = {(area.left_top.x + area.right_bottom.x) / 2, (area.left_top.y + area.right_bottom.y) / 2}
+   local distance = math.sqrt(chunk_mid[1] * chunk_mid[1] + chunk_mid[2] * chunk_mid[2])
+   if distance > starting_buffer then 
+      local entities = surface.find_entities_filtered{type="resource", area=area}
+
+       for _, entity in ipairs(entities) do
+         if ore_ratios[entity.name] ~= nil then
+            -- Roll to sprinkle_factor
+            if sprinkle_factor < 100 then
+               sprinkle_random = math.random(1,100)
+               should_sprinkle = sprinkle_random <= sprinkle_factor
+            else 
+               should_sprinkle = true
+            end
+            if should_sprinkle then
+               local new_name = nil
+               
+               --- Use the ratios to randomly select an ore
+               new_ore_random = math.random(1,ore_mix_max)
+               new_name = ore_mix[new_ore_random]
+
+               local position_old = entity.position
+               local amount_old = entity.amount
+
+               local surface = entity.surface
+               entity.destroy()
+               local new_entity = surface.create_entity{name = new_name, position = position_old, force="neutral", amount=amount_old}
+            end
+         end   
+      end
+    end
+end

map_layout.lua

@@ -34,13 +34,13 @@ in this file and your run_*type*_module(event) function will be called.
 
 --ores--
 --require "locale.gen_ores.neko_crazy_ores"
+--require "locale.gen_ores.fluffy_rainbows"
+--require "locale.gen_ores.glitter_ores"
 
 --everything else. You may use more than one of these, but beware they might not be compatible
 miscs = {}
 --miscs[1] = require "locale.gen_misc.rail_grid"
 
-
-
 local on_chunk_generated = function(event)
 	if run_combined_module == nil then
 		if run_shape_module ~= nil then