feat(mars): ✨ Introduce Mars-specific simulation mechanics and entities
Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>
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Claude Code
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126
engine/src/worlds/mars/climate_params.json
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126
engine/src/worlds/mars/climate_params.json
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{
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"atmosphere": {
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"pressure_bands": {
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"polar_high_cut": 0.15,
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"subpolar_low_cut": 0.30,
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"subtropical_high_cut": 0.60,
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"hadley_low_cut": 1.00,
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"polar_high_hpa": 610.0,
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"subpolar_low_hpa": 595.0,
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"subtropical_high_hpa": 608.0,
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"equatorial_low_hpa": 600.0
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},
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"pressure_terrain_modifiers": {
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"mountain_per_0_1_elevation": 15.0,
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"ocean_offset": 0.0,
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"hot_land_threshold": 0.25,
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"hot_land_offset": -3.0
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},
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"anomaly": {
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"thermal_low_spawn_hpa": -8.0,
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"cold_high_spawn_hpa": 8.0,
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"tropical_low_spawn_hpa": -5.0,
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"spawn_hot_temp_threshold": 0.20,
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"spawn_cold_temp_threshold": 0.05,
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"spawn_adjacent_cool_threshold": 0.12,
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"spawn_ocean_hot_threshold": 0.30,
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"decay_per_turn_hpa": 1.5,
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"reinforce_per_turn_hpa": 2.0,
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"max_anomaly_hpa": 25.0,
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"drift_wind_fraction": 0.6,
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"merge_radius_hexes": 3
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},
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"pressure_wind": {
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"gradient_scale": 0.06,
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"speed_scale": 0.05,
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"coriolis_scale": 0.25
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},
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"humidity": {
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"ocean_evap_rate": 0.0,
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"soil_contribution": 0.0,
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"forest_evapotranspiration": 0.0,
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"wind_transport_fraction": 0.0,
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"precipitation_rh_threshold": 99.0,
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"precipitation_humidity_loss": 0.0,
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"precipitation_moisture_gain": 0.0,
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"mountain_barrier_block": 0.5,
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"decay_per_turn": 0.0
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},
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"relative_humidity": {
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"saturation_base": 0.0,
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"saturation_temp_scale": 0.0
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},
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"dew_point": {
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"rh_factor": 0.0
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},
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"cape": {
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"lapse_rate_per_elevation": 0.004,
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"temp_diff_scale": 0.5,
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"humidity_scale": 0.0,
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"stability_offset": 0.0,
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"moisture_feedback_scale": 0.0
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},
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"event_thresholds": {},
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"event_effects": {}
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},
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"moisture_relaxation": 0.0,
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"ocean_evaporation_hops": 0,
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"ocean_evaporation_hop_decay": 0.0,
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"atmospheric_loss_rate": 0.0,
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"water_boil_threshold": 0.15,
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"surface_runoff_rate": 0.0,
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"deep_earth_water": {
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"volcano_self": 0.0,
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"volcano_neighbor": 0.0,
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"hot_spring_self": 0.0,
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"hot_spring_neighbor": 0.0,
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"hot_spring_max_temperature": 0.0,
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"high_elevation_self": 0.0,
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"high_elevation_threshold": 0.95
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},
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"wind_conductivity": 0.12,
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"energy_scale": 0.004,
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"equilibrium_relaxation": 0.02,
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"evaporation_rate": 0.0,
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"moisture_transport": 0.0,
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"precipitation_threshold": 99.0,
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"moisture_decay": 1.0,
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"quality_up_threshold": 10,
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"quality_down_threshold": 5,
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"lake_thermal_conductivity": 0.0,
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"river_moisture_transport": 0.0,
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"mountain_rain_shadow_block": 0.4,
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"wind_band_polar_cut": 0.15,
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"wind_band_polar_front_cut": 0.30,
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"wind_band_ferrel_cut": 0.50,
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"wind_band_subtropical_cut": 0.60,
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"wind_band_hadley_cut": 0.85,
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"wind_speed_polar": 0.5,
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"wind_speed_polar_front": 0.4,
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"wind_speed_ferrel": 0.6,
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"wind_speed_subtropical": 0.35,
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"wind_speed_hadley": 0.55,
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"wind_speed_itcz": 0.3,
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"wind_friction_land": 0.6,
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"wind_friction_mountain_downwind": 0.3,
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"solar_min": 0.03,
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"solar_max": 0.18,
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"orbital_cycle_1_period": 686,
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"orbital_cycle_1_amplitude": 0.018,
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"orbital_cycle_1_phase": 0.0,
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"orbital_cycle_2_period": 51000,
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"orbital_cycle_2_amplitude": 0.030,
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"orbital_cycle_2_phase": 1.05,
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"orbital_cycle_3_period": 95000,
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"orbital_cycle_3_amplitude": 0.025,
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"orbital_cycle_3_phase": 2.40,
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"orbital_moisture_coupling": 0.0,
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"sea_level_temp_sensitivity": 0.0,
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"sea_level_equilibrium_temp": 0.12,
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"water_freeze_threshold": 0.25,
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"aerosol_background": 0.008,
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"aerosol_desert_dust": 0.025,
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"aerosol_volcanic_outgas": 0.0,
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"dust_storm_threshold": 0.8,
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"dust_storm_aerosol_boost": 0.25
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}
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71
engine/src/worlds/mars/climate_spec.json
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engine/src/worlds/mars/climate_spec.json
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{
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"terrain_classification": {
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"comment": "Mars terrain rules — ordered, first match wins. Cold, dry, abiotic. No biological biomes. CO2 ice caps at poles.",
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"rules": [
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{
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"comment": "CO2 polar ice — extreme cold at any elevation",
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"and": [
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{ "field": "temperature", "op": "<=", "value": 0.06 }
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],
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"terrain": "glacial"
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},
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{
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"comment": "Olympus Mons summit / Tharsis calderas — extreme elevation volcanic peaks",
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"and": [
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{ "field": "elevation", "op": ">", "value": 0.82 }
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],
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"terrain": "caldera"
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},
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{
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"comment": "Tharsis highlands / highland basalt — elevated ancient terrain",
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"and": [
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{ "field": "elevation", "op": ">", "value": 0.70 }
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],
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"terrain": "basalt_highland"
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},
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{
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"comment": "Valles Marineris canyon floor — deep lowland valleys",
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"and": [
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{ "field": "elevation", "op": "<", "value": 0.12 }
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],
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"terrain": "canyon"
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},
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{
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"comment": "Hellas / Argyre basin — ancient impact basins and low plains",
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"and": [
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{ "field": "elevation", "op": "<", "value": 0.28 }
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],
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"terrain": "ancient_lakebed"
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},
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{
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"comment": "Dune field — aeolian sand deposits on mid-elevation terrain",
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"and": [
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{ "field": "elevation", "op": ">=", "value": 0.28 },
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{ "field": "elevation", "op": "<=", "value": 0.55 },
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{ "field": "temperature", "op": ">", "value": 0.06 },
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{ "field": "temperature", "op": "<", "value": 0.18 }
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],
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"terrain": "dune_field"
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},
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{
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"comment": "Default: dust plain — the vast regolith-covered lowlands",
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"and": [],
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"terrain": "dust_plain"
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}
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]
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},
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"terrain_transitions": {},
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"ley_network": {
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"enabled": false,
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"anchor_spawn_chance": 0.0,
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"link_max_distance": 0,
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"residue_decay_per_turn": 1.0,
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"quality_threshold_for_node": 99
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},
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"atmospheric_chemistry": {
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"enabled": true,
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"co2_concentration": 0.953,
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"so2_concentration": 0.0,
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"acid_rain_threshold": 9999.0
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}
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}
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33
engine/src/worlds/mars/hydrology_params.json
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engine/src/worlds/mars/hydrology_params.json
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{
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"rainfall": {
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"multiplier_tropical": 0.0,
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"multiplier_temperate": 0.0,
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"multiplier_cold": 0.0,
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"multiplier_frozen": 0.0,
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"multiplier_desert_terrain": 0.0
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},
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"source_bonuses": {},
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"depression_fill": {
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"epsilon": 0.0001
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},
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"lakes": {
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"depth_threshold": 9999.0,
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"inland_sea_min_tiles": 9999
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},
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"rivers": {
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"threshold_tropical": 9999.0,
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"threshold_temperate": 9999.0,
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"threshold_cold": 9999.0,
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"threshold_frozen": 9999.0,
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"threshold_desert": 9999.0,
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"width_thresholds": [9999.0, 9999.0, 9999.0],
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"width_labels": ["stream", "river", "major_river", "great_river"]
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},
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"deltas": {
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"accumulation_threshold": 9999.0,
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"max_branches": 0
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},
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"frozen_river_temperature": 0.25,
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"lake_moisture_injection": 0.0,
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"river_moisture_per_turn": 0.0
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}
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engine/src/worlds/mars/manifest.json
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engine/src/worlds/mars/manifest.json
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{
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"id": "mars",
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"name": "Mars — Red Planet",
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"description": "Thin CO2 atmosphere, -60°C average, no water cycle. Seasonal CO2 sublimation at poles, global dust storms reshape the regolith plains.",
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"has_climate": true,
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"has_weather": false,
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"has_ecology": false,
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"grid_width": 40,
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"grid_height": 24,
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"polar_rows": 3,
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"physics_features": {
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"water_cycle": false,
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"weather_events": false,
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"ecology": false,
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"volcanism": false,
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"co2_cycle": true,
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"dust_storms": true,
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"acid_clouds": false
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},
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"subscribes_biomes": ["arid_world", "volcanic_world", "elevated", "arctic"],
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"subscribes_substrates": ["substrates"],
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"subscribes_events": []
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}
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33
engine/src/worlds/mars/runtime_biomes.json
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engine/src/worlds/mars/runtime_biomes.json
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{
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"comment": "Transient Mars terrain states that normalize back to stable biomes each turn.",
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"biomes": [
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{
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"id": "co2_frost",
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"name": "CO₂ Frost",
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"comment": "Seasonal CO2 frost deposition outside the permanent cap",
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"normalizes_to": "glacial",
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"tags": ["is_frozen", "is_dry"]
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},
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{
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"id": "dust_storm_track",
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"name": "Dust Storm Track",
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"comment": "Active dust storm deposit — high aerosol load, reduced insolation",
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"normalizes_to": "dust_plain",
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"tags": ["is_dry"]
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},
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{
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"id": "crater_floor",
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"name": "Crater Floor",
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"comment": "Impact crater flat floor — fine-grained sediment, sheltered from wind",
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"normalizes_to": "ancient_lakebed",
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"tags": ["is_dry"]
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},
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{
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"id": "ancient_riverbed",
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"name": "Ancient Riverbed",
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"comment": "Dried Noachian-era fluvial channel — distinctive linear lowland",
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"normalizes_to": "canyon",
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"tags": ["is_dry"]
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}
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]
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}
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