mods that hopefully work for a TechAge-based pack
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-- Node Color Mapping System for Luanti
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-- Dynamically generates colors based on node properties, keywords, and groups
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local nodecolors = {}
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-- ============================================================================
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-- COLOR PALETTE - 16 base colors for all terrain types
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-- ============================================================================
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local PALETTE = {
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GRASS_GREEN = {95, 159, 53},
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DIRT_BROWN = {134, 96, 67},
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STONE_GRAY = {128, 128, 128},
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SAND_TAN = {194, 178, 128},
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DESERT_SAND = {210, 180, 140},
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WATER_BLUE = {38, 92, 255},
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SNOW_WHITE = {240, 240, 240},
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ICE_BLUE = {175, 210, 255},
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TREE_BROWN = {101, 84, 50},
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LEAVES_GREEN = {60, 100, 30},
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LAVA_ORANGE = {255, 100, 0},
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COAL_BLACK = {64, 64, 64},
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IRON_GRAY = {140, 120, 110},
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GOLD_YELLOW = {220, 180, 50},
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GRAVEL_GRAY = {136, 126, 126},
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DEFAULT_GRAY = {100, 100, 100}
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}
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-- ============================================================================
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-- MANUAL OVERRIDES - Highest priority, exact node name matches
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-- ============================================================================
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local manual_overrides = {
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-- Special cases that don't fit auto-detection well
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["default:apple"] = PALETTE.GOLD_YELLOW,
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["mcl_core:obsidian"] = {20, 10, 30},
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["mcl_core:bedrock"] = {40, 40, 40},
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["mcl_nether:netherrack"] = {100, 50, 50},
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["mcl_nether:soul_sand"] = {80, 70, 60},
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["mcl_end:end_stone"] = {220, 220, 180},
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["nc_fire:ash"] = {80, 80, 80},
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["nc_concrete:concrete"] = {160, 160, 160},
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}
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-- ============================================================================
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-- KEYWORD DETECTION - Pattern matching in node names
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-- ============================================================================
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local keyword_colors = {
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-- Grass and vegetation
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{pattern = "grass", color = PALETTE.GRASS_GREEN},
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{pattern = "turf", color = PALETTE.GRASS_GREEN},
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{pattern = "tallgrass", color = PALETTE.GRASS_GREEN},
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{pattern = "sedge", color = PALETTE.GRASS_GREEN},
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-- Dirt and soil
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{pattern = "dirt", color = PALETTE.DIRT_BROWN},
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{pattern = "soil", color = PALETTE.DIRT_BROWN},
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{pattern = "podzol", color = {90, 70, 50}},
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{pattern = "coarse_dirt", color = {120, 85, 60}},
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{pattern = "mycelium", color = {110, 90, 110}},
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{pattern = "clay", color = {160, 160, 180}},
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-- Stone types
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{pattern = "stone", color = PALETTE.STONE_GRAY},
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{pattern = "cobble", color = PALETTE.DEFAULT_GRAY},
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{pattern = "mossycobble", color = {80, 120, 80}},
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{pattern = "granite", color = {150, 100, 80}},
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{pattern = "andesite", color = {130, 130, 130}},
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{pattern = "diorite", color = {180, 180, 180}},
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{pattern = "annealed", color = {150, 150, 150}},
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{pattern = "pumice", color = {200, 190, 180}},
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{pattern = "lode", color = {110, 110, 110}},
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-- Sand and desert
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{pattern = "sand", color = PALETTE.SAND_TAN},
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{pattern = "redsand", color = PALETTE.DESERT_SAND},
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{pattern = "desert", color = PALETTE.DESERT_SAND},
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-- Water
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{pattern = "water", color = PALETTE.WATER_BLUE},
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{pattern = "river_water", color = {20, 100, 200}},
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-- Snow and ice
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{pattern = "snow", color = PALETTE.SNOW_WHITE},
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{pattern = "ice", color = PALETTE.ICE_BLUE},
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{pattern = "packed_ice", color = {160, 200, 255}},
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-- Trees and wood
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{pattern = "tree", color = PALETTE.TREE_BROWN},
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{pattern = "trunk", color = PALETTE.TREE_BROWN},
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{pattern = "bark", color = {90, 70, 45}},
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{pattern = "root", color = {80, 60, 40}},
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{pattern = "log", color = PALETTE.TREE_BROWN},
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{pattern = "wood", color = PALETTE.TREE_BROWN},
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-- Specific tree types
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{pattern = "pine", color = {85, 70, 45}},
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{pattern = "spruce", color = {85, 70, 45}},
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{pattern = "jungle", color = {120, 90, 50}},
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{pattern = "birch", color = {220, 220, 180}},
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{pattern = "acacia", color = {160, 100, 60}},
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{pattern = "dark", color = {60, 40, 20}},
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-- Leaves
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{pattern = "leaves", color = PALETTE.LEAVES_GREEN},
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{pattern = "needles", color = {45, 80, 25}},
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{pattern = "jungleleaves", color = {50, 90, 30}},
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{pattern = "birchleaves", color = {80, 120, 50}},
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{pattern = "acacialeaves", color = {90, 110, 40}},
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{pattern = "darkleaves", color = {40, 70, 20}},
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-- Ores
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{pattern = "coal", color = PALETTE.COAL_BLACK},
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{pattern = "iron", color = PALETTE.IRON_GRAY},
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{pattern = "copper", color = {180, 120, 80}},
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{pattern = "gold", color = PALETTE.GOLD_YELLOW},
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{pattern = "diamond", color = {100, 200, 255}},
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{pattern = "emerald", color = {50, 200, 100}},
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{pattern = "lapis", color = {50, 100, 200}},
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{pattern = "redstone", color = {200, 50, 50}},
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-- Lava and gravel
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{pattern = "lava", color = PALETTE.LAVA_ORANGE},
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{pattern = "gravel", color = PALETTE.GRAVEL_GRAY},
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-- Flora
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{pattern = "flower", color = {200, 100, 150}},
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{pattern = "junglegrass", color = {40, 80, 20}},
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-- Farmland
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{pattern = "farmland", color = {120, 80, 50}},
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{pattern = "grass_path", color = {140, 120, 80}},
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}
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-- ============================================================================
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-- GROUP-BASED DETECTION - Fallback based on node groups
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-- ============================================================================
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local group_colors = {
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soil = PALETTE.DIRT_BROWN,
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sand = PALETTE.SAND_TAN,
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stone = PALETTE.STONE_GRAY,
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tree = PALETTE.TREE_BROWN,
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leaves = PALETTE.LEAVES_GREEN,
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water = PALETTE.WATER_BLUE,
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lava = PALETTE.LAVA_ORANGE,
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ice = PALETTE.ICE_BLUE,
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snow = PALETTE.SNOW_WHITE,
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}
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-- ============================================================================
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-- COLOR CACHE - Store computed colors to avoid recalculation
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-- ============================================================================
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local color_cache = {}
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-- ============================================================================
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-- HELPER FUNCTIONS
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-- ============================================================================
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-- Check if a string contains a pattern (case-insensitive)
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local function contains_pattern(str, pattern)
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return str:lower():find(pattern:lower(), 1, true) ~= nil
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end
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-- Detect color based on keywords in node name
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local function detect_color_from_keywords(nodename)
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for _, entry in ipairs(keyword_colors) do
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if contains_pattern(nodename, entry.pattern) then
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return entry.color
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end
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end
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return nil
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end
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-- Detect color based on node groups
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local function detect_color_from_groups(nodename)
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local node_def = minetest.registered_nodes[nodename]
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if not node_def or not node_def.groups then
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return nil
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end
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-- Check each group that has a color mapping
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for group, color in pairs(group_colors) do
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if node_def.groups[group] and node_def.groups[group] > 0 then
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return color
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end
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end
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return nil
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end
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-- ============================================================================
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-- PUBLIC API
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-- ============================================================================
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-- Get color for a node (main function)
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function nodecolors.get_color(nodename)
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-- Return from cache if available
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if color_cache[nodename] then
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return color_cache[nodename]
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end
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local color = nil
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-- Priority 1: Manual overrides
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if manual_overrides[nodename] then
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color = manual_overrides[nodename]
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end
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-- Priority 2: Keyword detection
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if not color then
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color = detect_color_from_keywords(nodename)
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end
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-- Priority 3: Group-based detection
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if not color then
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color = detect_color_from_groups(nodename)
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end
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-- Priority 4: Default color
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if not color then
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color = PALETTE.DEFAULT_GRAY
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end
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-- Cache the result
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color_cache[nodename] = color
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return color
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end
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-- Set a manual override color for a specific node
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function nodecolors.set_color(nodename, color)
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manual_overrides[nodename] = color
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color_cache[nodename] = color
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end
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-- Check if a node has a defined color (not default)
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function nodecolors.has_color(nodename)
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local color = nodecolors.get_color(nodename)
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return color ~= PALETTE.DEFAULT_GRAY
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end
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-- Add a new keyword pattern and color
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function nodecolors.add_keyword(pattern, color)
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table.insert(keyword_colors, {pattern = pattern, color = color})
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end
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-- Add a new group color mapping
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function nodecolors.add_group_color(group, color)
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group_colors[group] = color
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end
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-- Get the color palette (for external customization)
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function nodecolors.get_palette()
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return PALETTE
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end
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-- Clear the color cache (useful after bulk changes)
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function nodecolors.clear_cache()
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color_cache = {}
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end
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-- Get statistics about color detection
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function nodecolors.get_stats()
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local stats = {
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manual_overrides = 0,
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keyword_patterns = 0,
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group_mappings = 0,
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cached_colors = 0
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}
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for _ in pairs(manual_overrides) do
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stats.manual_overrides = stats.manual_overrides + 1
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end
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stats.keyword_patterns = #keyword_colors
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for _ in pairs(group_colors) do
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stats.group_mappings = stats.group_mappings + 1
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end
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for _ in pairs(color_cache) do
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stats.cached_colors = stats.cached_colors + 1
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end
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return stats
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end
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-- Debug function: show how a color was determined
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function nodecolors.debug_color(nodename)
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local info = {
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nodename = nodename,
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color = nil,
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method = "none",
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details = ""
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}
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-- Check manual override
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if manual_overrides[nodename] then
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info.color = manual_overrides[nodename]
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info.method = "manual_override"
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return info
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end
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-- Check keywords
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local keyword_color = detect_color_from_keywords(nodename)
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if keyword_color then
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info.color = keyword_color
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info.method = "keyword"
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for _, entry in ipairs(keyword_colors) do
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if contains_pattern(nodename, entry.pattern) then
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info.details = "matched pattern: " .. entry.pattern
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break
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end
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end
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return info
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end
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-- Check groups
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local group_color = detect_color_from_groups(nodename)
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if group_color then
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info.color = group_color
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info.method = "group"
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local node_def = minetest.registered_nodes[nodename]
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if node_def and node_def.groups then
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for group, color in pairs(group_colors) do
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if node_def.groups[group] and node_def.groups[group] > 0 then
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info.details = "matched group: " .. group
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break
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end
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end
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end
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return info
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end
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-- Default
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info.color = PALETTE.DEFAULT_GRAY
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info.method = "default"
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return info
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end
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return nodecolors
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