* Modified the ore generation to be quadrant based with more balance towards .17

* upped minimum pollution to keep map smaller
* reduced base tech multiplier to 20
* removed pollution factor and increased time factor for enemy evolution

map_gen/maps/terraforming_danger_ores.lua

@@ -60,7 +60,7 @@ local tree_threshold = -0.25
 local tree_chance = 0.125
 
 local start_chunks_half_size = 3
-global.min_pollution = 500
+global.min_pollution = 2500
 
 local chunk_list = {index = 1}
 local surface
@@ -73,12 +73,13 @@ Global.register_init(
         local s = RS.get_surface()
         tbl.seed = s.map_gen_settings.seed
         tbl.surface = s
-        game.difficulty_settings.technology_price_multiplier = 50
+        game.difficulty_settings.technology_price_multiplier = 20
         game.forces.player.technologies.logistics.researched = true
         game.forces.player.technologies.automation.researched = true
-        game.map_settings.enemy_evolution.time_factor = 0.000002
+        game.map_settings.enemy_evolution.time_factor = 0.000005 -- Increased time factor
         game.map_settings.enemy_evolution.destroy_factor = 0.000010
-        game.map_settings.enemy_evolution.pollution_factor = 0.000005
+        game.map_settings.enemy_evolution.pollution_factor = 0.000000 -- Pollution has no affect on evolution
+        game.draw_resource_selection  = false
     end,
     function(tbl)
         local seed = tbl.seed
@@ -103,21 +104,56 @@ local uranium_resource = b.resource(b.full_shape, 'uranium-ore', value(200, 1))
 
 local ores = {
     {resource = b.resource(b.full_shape, 'iron-ore', value(0, 0.5)), weight = 60},
-    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 40},
+    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 60},
-    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 5},
+    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 12},
-    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 20}
+    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 12}
 }
 
+local ores_pos_x_pos_y = {
+    {resource = b.resource(b.full_shape, 'iron-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 40},
+    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 20}
+}
+local ores_pos_x_neg_y = {
+    {resource = b.resource(b.full_shape, 'iron-ore', value(0, 0.5)), weight = 60},
+    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 20}
+}
+local ores_neg_x_pos_y = {
+    {resource = b.resource(b.full_shape, 'iron-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 60},
+    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 20}
+}
+local ores_neg_x_neg_y = {
+    {resource = b.resource(b.full_shape, 'iron-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'copper-ore', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'stone', value(0, 0.5)), weight = 20},
+    {resource = b.resource(b.full_shape, 'coal', value(0, 0.5)), weight = 40}
+}
+
+
 local weighted_ores = b.prepare_weighted_array(ores)
+local weighted_ores_pos_x_pos_y = b.prepare_weighted_array(ores_pos_x_pos_y)
+local weighted_ores_pos_x_neg_y = b.prepare_weighted_array(ores_pos_x_neg_y)
+local weighted_ores_neg_x_pos_y = b.prepare_weighted_array(ores_neg_x_pos_y)
+local weighted_ores_neg_x_neg_y = b.prepare_weighted_array(ores_neg_x_neg_y)
+
 local total_ores = weighted_ores.total
+local total_ores_pos_x_pos_y = weighted_ores_pos_x_pos_y.total
+local total_ores_pos_x_neg_y = weighted_ores_pos_x_neg_y.total
+local total_ores_neg_x_pos_y = weighted_ores_neg_x_pos_y.total
+local total_ores_neg_x_neg_y = weighted_ores_neg_x_neg_y.total
 
 local spawn_zone = b.circle(64)
 
 local ore_circle = b.circle(68)
 local start_ores = {
     b.resource(ore_circle, 'iron-ore', value(125, 0)),
-    b.resource(ore_circle, 'copper-ore', value(125, 0)),
     b.resource(ore_circle, 'coal', value(125, 0)),
+    b.resource(ore_circle, 'copper-ore', value(125, 0)),
     b.resource(ore_circle, 'stone', value(125, 0))
 }
 
@@ -146,13 +182,41 @@ local function ore(x, y, world)
         return uranium_resource(x, y, world)
     end
 
-    local i = math.random() * total_ores
+    local i
-    local index = table.binary_search(weighted_ores, i)
+    local index
+    local resource
+
+    if x > 0 and y > 0 then
+      i = math.random() * total_ores_pos_x_pos_y
+      index = table.binary_search(weighted_ores_pos_x_pos_y, i)
       if (index < 0) then
           index = bit32.bnot(index)
       end
 
-    local resource = ores[index].resource
+      resource = ores_pos_x_pos_y[index].resource
+    elseif x > 0 and y < 0 then
+        i = math.random() * total_ores_pos_x_neg_y
+        index = table.binary_search(weighted_ores_pos_x_neg_y, i)
+        if (index < 0) then
+            index = bit32.bnot(index)
+        end
+        resource = ores_pos_x_neg_y[index].resource
+    elseif x < 0 and y > 0 then
+        i = math.random() * total_ores_neg_x_pos_y
+        index = table.binary_search(weighted_ores_neg_x_pos_y, i)
+        if (index < 0) then
+            index = bit32.bnot(index)
+        end
+        resource = ores_neg_x_pos_y[index].resource
+    else
+      i = math.random() * total_ores_neg_x_neg_y
+      index = table.binary_search(weighted_ores_neg_x_neg_y, i)
+      if (index < 0) then
+          index = bit32.bnot(index)
+      end
+
+      resource = ores_neg_x_neg_y[index].resource
+    end
 
     local entity = resource(x, y, world)
     local density_x, density_y = x * density_scale, y * density_scale