Improve mapgen, add grass, and include the fill tool.

mods/rgt_gadgets/rgt_fill_tool/init.lua

@@ -0,0 +1,158 @@
+
+minetest.register_entity(":red_glazed_terracotta:fill_tool_display", {
+    initial_properties = {
+        static_save = false,
+        visual = "cube",
+        textures = {"rgt_fill_tool_display_start.png", "rgt_fill_tool_display_start.png", "rgt_fill_tool_display_start.png", "rgt_fill_tool_display_start.png", "rgt_fill_tool_display_start.png", "rgt_fill_tool_display_start.png"},
+        glow = 15,
+        visual_size = vector.new(1, 1, 1) *1.1,
+        pointable = false
+    }
+})
+
+--minetest.register_entity(":travelers_notebook:fill_tool_range_display", {
+--    initial_properties = {
+--        static_save = false,
+--        textures = {"blank.png"},
+--        glow = 15,
+--        visual_size = vector.new(1, 1, 1) *0.6,
+--        pointable = false
+--    }
+--})
+
+local function get_shape_fill_display_pos(m)
+    local pos = m.pos
+    local dir = m.object:get_look_dir()
+    local node = minetest.raycast(pos, pos +(dir *(m.shape_fill_range or 5)), false):next()
+    if node and node.under then
+        pos = node.under
+    else
+        pos = (pos +(dir *(m.shape_fill_range or 5))):round()
+    end
+    return pos
+end
+rgt.register_item("fill_tool", {
+    stack_max = 1,
+    inventory_image = "rgt_shape_fill_tool.png",
+    range = 0,
+    touch_interaction = "short_dig_long_place",
+    on_use = function(s, p)
+        local m = rgt.players[p:get_player_name()]
+        if m.node_picker then
+            local pos = m.pos
+            local dir = m.object:get_look_dir()
+--            local obj = minetest.raycast(pos +dir, pos +(dir *15), true, false, {nodes = {}}):next()
+            if m.pointed_obj or obj and obj.type == "object" then
+                local e = m.pointed_obj
+                if e.node then
+                    local sm = s:get_meta()
+                    if e.node == "air" then
+                        sm:set_string("inventory_image", "")
+                    else
+                        local def = minetest.registered_nodes[e.node]
+                        if def._rgt_tileset_master then e.node = def._rgt_tileset_master end
+                        local tx = rgt.get_node_texture(e.node)
+                        sm:set_string("inventory_image", "[combine:16x16:3,3="..tx.."\\^[resize\\:10x10:0,0=rgt_shape_fill_tool.png")
+                    end
+                    sm:set_string("node", e.node)
+                    rgt.close_node_picker(m)
+                end
+            end
+        else
+            local pos = get_shape_fill_display_pos(rgt.players[p:get_player_name()])
+            if not pos then return end
+            local m = s:get_meta()
+            local node = minetest.get_node(pos).name
+            if node == "air" then
+                m:set_string("inventory_image", "")
+            else
+                local def = minetest.registered_nodes[node]
+                if def._rgt_tileset_master then node = def._rgt_tileset_master end
+                local tx = rgt.get_node_texture(node)
+                m:set_string("inventory_image", "[combine:16x16:3,3="..tx.."\\^[resize\\:10x10:0,0=rgt_shape_fill_tool.png")
+            end
+            m:set_string("node", node)
+        end
+        return s
+    end,
+    on_wield = function(m)
+        local pos = get_shape_fill_display_pos(m)
+        m.shape_fill_display_start = minetest.add_entity(pos, "red_glazed_terracotta:fill_tool_display")
+        m.shape_fill_display_start:set_observers{[m.name] = true}
+        m.shape_fill_range = m.shape_fill_range or 5
+        m.shape_fill_last_range = m.shape_fill_range
+    end,
+    while_wielded = function(m, s)
+        local pos = get_shape_fill_display_pos(m)
+        if not m.shape_fill_display_start and not m.node_picker then
+            m.shape_fill_display_start = minetest.add_entity(pos, "red_glazed_terracotta:fill_tool_display")
+            m.shape_fill_display_start:set_observers{[m.name] = true}
+        end
+        
+        if m.shape_fill_display_start and m.node_picker then
+            m.shape_fill_display_start:remove()
+            m.shape_fill_display_start = nil
+        end
+        
+        if m.shape_fill_display_end then
+            m.shape_fill_display_end:set_pos(pos)
+        elseif m.shape_fill_display_start then
+            m.shape_fill_display_start:set_pos(pos)
+        end
+        
+--        if m.shape_fill_zoom_view then
+--            local pitch = m.object:get_look_vertical()
+--            if math.abs(pitch) > math.rad(15) then
+--                m.shape_fill_range = math.max(5, m.shape_fill_range -(0.2 *pitch))
+--                if math.abs(m.shape_fill_range -(m.shape_fill_last_range or 5)) > 1 then
+--                    m.shape_fill_zoom_view:set_properties{
+--                        textures = {libarchive.rasterize(tostring(math.round(m.shape_fill_range or 5)), 40, 40, 0, 0)}
+--                    }
+--                    m.shape_fill_last_range = range
+--                end
+--            end
+--        end
+--        
+--        if m.ctl.zoom and not m.shape_fill_zoom_view then
+--            m.shape_fill_zoom_view = minetest.add_entity(pos, "red_glazed_terracotta:fill_tool_range_display")
+--            m.shape_fill_zoom_view:set_properties{
+--                textures = {libarchive.rasterize(tostring(math.round(m.shape_fill_range) or 5), 40, 40, 0, 0)}
+--            }
+--            m.shape_fill_zoom_view:set_attach(m.object, "", vector.new(0, 20, 20), nil, true)
+--        elseif not m.ctl.zoom and m.shape_fill_zoom_view then
+--            m.shape_fill_zoom_view:remove()
+--            m.shape_fill_zoom_view = nil
+--        end
+        
+        if m.shape_fill_display_end and not m.ctl.place then
+            local node = s:get_meta():get("node") or "air"
+            rgt.fill_area(m.shape_fill_start, m.shape_fill_display_end:get_pos():round(), node)
+            
+            m.shape_fill_display_end:remove()
+            m.shape_fill_display_end = nil
+        elseif m.shape_fill_display_start and not m.shape_fill_display_end and m.ctl.place then
+            m.shape_fill_start = m.shape_fill_display_start:get_pos():round()
+            
+            m.shape_fill_display_end = minetest.add_entity(get_shape_fill_display_pos(m), "red_glazed_terracotta:fill_tool_display")
+            m.shape_fill_display_end:set_properties{
+                textures = {"rgt_fill_tool_display_end.png", "rgt_fill_tool_display_end.png", "rgt_fill_tool_display_end.png", "rgt_fill_tool_display_end.png", "rgt_fill_tool_display_end.png", "rgt_fill_tool_display_end.png"},
+            }
+            m.shape_fill_display_end:set_observers{[m.name] = true}
+        end
+    end,
+    on_unwield = function(m)
+        if m.shape_fill_display_start then
+            m.shape_fill_display_start:remove()
+            m.shape_fill_display_start = nil
+        end
+        if m.shape_fill_display_end then
+            m.shape_fill_display_end:remove()
+            m.shape_fill_display_end = nil
+        end
+        if m.shape_fill_zoom_view then
+            m.shape_fill_zoom_view:remove()
+            m.shape_fill_zoom_view = nil
+        end
+        m.shape_fill_start = nil
+    end
+})

mods/rgt_gadgets/rgt_fill_tool/mod.conf

@@ -0,0 +1,2 @@
+name = rgt_fill_tool
+depends = rgt_player