npc-engine-core 0.1.0

The core of the NPC engine, providing a generic MCTS framework.
Documentation 
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/*
 *  SPDX-License-Identifier: Apache-2.0 OR MIT
 *  © 2020-2022 ETH Zurich and other contributors, see AUTHORS.txt for details
 */

// This file contains constants that can be tuned in order to adjust simulation.

use npc_engine_core::TaskDuration;
use npc_engine_utils::Coord2D;

// map generation
pub const MAP_SIZE: Coord2D = Coord2D::new(40, 20);
// pub const MAP_SIZE: Coord2D = Coord2D::new(3, 2);
pub const OBSTACLE_RANDOM_COUNT: usize = 20;
pub const OBSTACLE_HOTSPOT_COUNT: usize = 6;
pub const PLANT_RANDOM_COUNT: usize = 40;
pub const PLANT_HOTSPOT_COUNT: usize = 9;
pub const HERBIVORE_COUNT: usize = 20;
pub const CARNIVORE_COUNT: usize = 6;

// local state derivation
pub const AGENTS_RADIUS_HERBIVORE: i32 = 3;
pub const AGENTS_RADIUS_CARNIVORE: i32 = 6;
pub const MAP_RADIUS: i32 = 8;
pub const MAX_AGENTS_ATTENTION: usize = 3;

// food parameter
pub const HERBIVORE_MAX_FOOD: u32 = 5;
pub const CARNIVORE_MAX_FOOD: u32 = 10;

// world task parameter
pub const WORLD_TASK_DURATION: TaskDuration = 10;
pub const WORLD_GRASS_REGROW_FREQUENCY: u64 = 3;
pub const WORLD_GRASS_CYCLE_DURATION: u64 = WORLD_TASK_DURATION * WORLD_GRASS_REGROW_FREQUENCY;

// task weights (idle task has weight 1)
pub const EAT_GRASS_WEIGHT: f32 = 5.0;
pub const EAT_HERBIVORE_WEIGHT: f32 = 20.0;
pub const JUMP_WEIGHT: f32 = 10.0;
pub const MOVE_WEIGHT: f32 = 5.0;