rgt_world = {}
local ns = rgt_world

local function rep(tx, size)
    local out = "[combine:"..(size *16).."x"..(size *16)
    for x = 0, size -1 do
        for y = 0, size -1 do
            out = out..":"..(x *16)..","..(y *16).."="..tx
        end
    end
    return out
end

include "variants.lua"

rgt.register_node("stone", {
    tiles = {{name = "rgt_stone.png", align_style = "world"}},
    _variants = "all",
    groups = {stone = 1}
})

rgt.register_node("stone_brick", {
    tiles = {{name = "rgt_stone_brick.png", align_style = "world"}},
    _variants = "all",
    groups = {stone = 1}
})

rgt.register_node("stone_brick_large", {
    tiles = {{name = "rgt_stone_brick_large.png", align_style = "world"}},
    _variants = "all",
    groups = {stone = 1}
})

rgt.register_node("stone_tile", {
    tiles = {{name = "rgt_stone_tile.png", align_style = "world"}},
    _variants = "all",
    groups = {stone = 1}
})

rgt.register_node("cobble", {
    tiles = {"rgt_cobble.png"},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("dirt", {
    tiles = {"rgt_dirt.png"},
    groups = {dig_immediate = 3}
})

rgt.register_node("dirt_mossy", {
    tiles = {{name = rep("rgt_dirt.png", 4).."^rgt_path_grass.png", scale = 4, align_style = "world"}, "rgt_dirt.png"},
    groups = {dig_immediate = 3}
})

rgt.register_node("dirt_grass", {
    tiles = {"rgt_grass_top.png", "rgt_dirt.png", "rgt_dirt.png^rgt_grass_side.png"},
--    tiles = {"[fill:16x16:0,0:#3e7e7b^[fill:14x14:1,1:#326764"},
    groups = {dig_immediate = 3}
})

rgt.register_node("path_grass", {
    drawtype = "nodebox",
    node_box = {
        type = "fixed",
        fixed = {
            -0.5, -0.5, -0.5,
             0.5, 7/16,  0.5
        }
    },
    tiles = {"rgt_path_grass_top.png", "rgt_dirt.png", "rgt_dirt.png^rgt_path_grass_side.png"},
--    tiles = {"[fill:16x16:0,0:#3e7e7b^[fill:14x14:1,1:#326764"},
    paramtype = "light",
    sunlight_propagates = false,
    groups = {dig_immediate = 3}
})

rgt.register_node("sand", {
    tiles = {"rgt_sand.png"},
    groups = {dig_immediate = 3}
})


rgt.register_node("oak_log", {
    tiles = {"rgt_oak_log_top.png", "rgt_oak_log_top.png", "rgt_oak_log_side.png"},
    groups = {dig_immediate = 3}
})

rgt.register_node("oak_leaves", {
    drawtype = "allfaces",
    tiles = {"rgt_oak_leaves.png"},
    use_texture_alpha = "clip",
    groups = {dig_immediate = 3}
})

rgt.register_node("oak_planks", {
    tiles = {{name = "rgt_oak_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("dark_planks", {
    tiles = {{name = "rgt_dark_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("spruce_planks", {
    tiles = {{name = "rgt_spruce_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("acacia_planks", {
    tiles = {{name = "rgt_acacia_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("redwood_planks", {
    tiles = {{name = "rgt_redwood_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})

rgt.register_node("birch_planks", {
    tiles = {{name = "rgt_birch_planks.png", align_style = "world"}},
    _variants = "all",
    groups = {dig_immediate = 3}
})



rgt.register_node("glass", {
    drawtype = "glasslike",
    paramtype = "light",
    tiles = {{name = "rgt_glass.png", align_style = "world"}},
    use_texture_alpha = "clip",
    _variants = "all",
    groups = {dig_immediate = 3}
})

--minetest.register_decoration {
--    deco_type = "simple",
--    place_on = "dirt_grass",
--    fill_ratio = 0.5,
--    decoration = {"red_glazed_terracotta:oak_planks", "red_glazed_terracotta:spruce_planks", "red_glazed_terracotta:dark_planks", "red_glazed_terracotta:redwood_planks", "red_glazed_terracotta:acacia_planks", "red_glazed_terracotta:birch_planks"}
--}


rgt.register_node("water", {
    tiles = {"[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33"},
    groups = {dig_immediate = 3},
    drawtype = "liquid",
    use_texture_alpha = "blend",
    paramtype = "light",
    walkable = false,
    climbable = true,
    post_effect_color = "#2d5a7c55",
    
    liquidtype = "source",
    -- Minetest pro tip: Do not try to use aliases for these.
    liquid_alternative_source = "red_glazed_terracotta:water",
    liquid_alternative_flowing = "red_glazed_terracotta:water_flowing",
    liquid_viscosity = 1,
    liquid_range = 5,
})

rgt.register_node("water_flowing", {
    tiles = {{name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}},
    special_tiles = {{name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}, {name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}},
    groups = {dig_immediate = 3},
    drawtype = "flowingliquid",
    use_texture_alpha = "blend",
    paramtype = "light",
    paramtype2 = "flowingliquid",
    walkable = false,
    climbable = true,
    post_effect_color = "#2d5a7c55",
    
    liquidtype = "flowing",
    liquid_alternative_source = "red_glazed_terracotta:water",
    liquid_alternative_flowing = "red_glazed_terracotta:water_flowing",
    liquid_viscosity = 1,
    liquid_range = 5,
})

rgt.register_node("river_water", {
    tiles = {"[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33"},
    groups = {dig_immediate = 3},
    drawtype = "liquid",
    use_texture_alpha = "blend",
    paramtype = "light",
    walkable = false,
    climbable = true,
    post_effect_color = "#2d5a7c55",
    
    liquidtype = "source",
    -- Minetest pro tip: Do not try to use aliases for these.
    liquid_alternative_source = "red_glazed_terracotta:river_water",
    liquid_alternative_flowing = "red_glazed_terracotta:river_water_flowing",
    liquid_viscosity = 1,
    liquid_range = 2,
    liquid_renewable = false
})

rgt.register_node("river_water_flowing", {
    tiles = {{name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}},
    special_tiles = {{name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}, {name = "[fill:16x16:0,0:#2d5a7c77^[fill:14x14:1,1:#2d5a7c33", backface_culling = true}},
    groups = {dig_immediate = 3},
    drawtype = "flowingliquid",
    use_texture_alpha = "blend",
    paramtype = "light",
    paramtype2 = "flowingliquid",
    walkable = false,
    climbable = true,
    post_effect_color = "#2d5a7c55",
    
    liquidtype = "flowing",
    liquid_alternative_source = "red_glazed_terracotta:river_water",
    liquid_alternative_flowing = "red_glazed_terracotta:river_water_flowing",
    liquid_viscosity = 1,
    liquid_range = 2,
    liquid_renewable = false
})

minetest.register_alias("mapgen_stone", "red_glazed_terracotta:stone")
minetest.register_alias("mapgen_water_source", "red_glazed_terracotta:water")
minetest.register_alias("mapgen_river_water_source", "red_glazed_terracotta:river_water")



rgt.register_node("light", {
    tiles = {"[fill:1x1:0,0:#fed"},
    light_source = 14,
    paramtype = "light"
})

minetest.register_ore {
    ore_type = "scatter",
    ore = "light",
    wherein = "stone",
    clust_scarcity = 3 * 3 * 3,
    clust_num_ores = 5,
    clust_size = 1
}



--minetest.register_decoration {
--    deco_type = "schematic",
--    place_on = "dirt_grass",
--    biomes = {"forest"},
--    y_min = 1,
--    fill_ratio = 0.01,
--    schematic = minetest.get_modpath(minetest.get_current_modname()).."/schems/tree.mts",
--    flags = "place_center_x, place_center_z",
--    place_offset_y = 1,
--}

minetest.register_biome{
    name = "plains",

    node_top = "dirt_grass",
    depth_top = 1,

    node_filler = "dirt",
    depth_filler = 5,

    node_riverbed = "dirt",
    depth_riverbed = 3,
    
    node_dungeon = "cobble",
    node_dungeon_alt = "stone",

    
    y_max = 3000,
    y_min = 2,
    vertical_blend = 2,

    heat_point = 50,
    humidity_point = 50,
}

minetest.register_biome{
    name = "beach",

    node_top = "sand",
    depth_top = 1,

    node_filler = "sand",
    depth_filler = 2,

    node_riverbed = "sand",
    depth_riverbed = 3,
    
    node_dungeon = "cobble",
    node_dungeon_alt = "stone",

    
    y_max = 1,
    y_min = -3,
    vertical_blend = 1,

    heat_point = 50,
    humidity_point = 50,
}