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* TrainingDummy3D - 3D training dummy with vital points
*
* Provides anatomically accurate training dummy using SkeletalPlayer3D
* for Korean martial arts practice. Supports anatomy overlays and difficulty modes.
*
* Refactored to extend SkeletalPlayer3D for visual consistency with player characters.
*
* @module components/screens/training/TrainingDummy3D
* @category 3D Components
* @korean 훈련인형3D컴포넌트
*/
import { useFrame } from "@react-three/fiber";
import React, {
useCallback,
useEffect,
useMemo,
useRef,
useState,
} from "react";
import * as THREE from "three";
import { KOREAN_VITAL_POINTS } from "../../../../systems/vitalpoint/KoreanVitalPoints";
import { PlayerArchetype, TrigramStance } from "../../../../types/common";
import { KOREAN_COLORS } from "../../../../types/constants";
import SkeletalPlayer3D from "../../../shared/three/models/SkeletalPlayer3D";
import VitalPointMarker3D from "./VitalPointMarker3D";
/**
* Difficulty mode for training
* @korean 난이도모드
*/
export type DifficultyMode = "easy" | "normal" | "hard";
/**
* Props for TrainingDummy3D component
* @korean 훈련인형3D속성
*/
export interface TrainingDummy3DProps {
/** 3D world position of the dummy */
readonly position: [number, number, number];
/** Currently selected vital point for targeting */
readonly selectedVitalPoint: string | null;
/** Whether training is active */
readonly isTraining: boolean;
/** Current health of dummy (0-100) */
readonly health?: number;
/** Maximum health of dummy */
readonly maxHealth?: number;
/** Callback when vital point is hit */
readonly onVitalPointHit?: (vitalPointId: string) => void;
/** Callback when dummy is defeated */
readonly onDefeated?: () => void;
/** Difficulty mode (affects marker sizes) */
readonly difficulty?: DifficultyMode;
/** Number of vital points to display (3-70) */
readonly vitalPointCount?: number;
/** Whether on mobile device */
readonly isMobile?: boolean;
/** Archetype to display (affects body type and appearance) */
readonly archetype?: PlayerArchetype;
/** Current stance for the dummy */
readonly stance?: TrigramStance;
}
/**
* Map body region to 3D position on dummy
*
* Positions are calibrated for SkeletalPlayer3D bone structure.
*
* @param pointId - Unique identifier for the vital point
* @param category - Anatomical category (head, neck, torso, etc.)
* @returns 3D coordinates [x, y, z] relative to dummy center
* @korean 급소위치계산
*/
const getVitalPointPosition = (
pointId: string,
category: string,
): [number, number, number] => {
const positions: Record<string, [number, number, number]> = {
head: [0, 1.75, 0.12], // Head bone + offset
neck: [0, 1.5, 0.1], // Neck bone
torso: [0, 1.15, 0.18], // Chest/spine area
chest: [0, 1.2, 0.2], // Upper chest
abdomen: [0, 0.85, 0.18], // Lower torso
back: [0, 1.1, -0.15], // Spine back
arm: [-0.45, 1.15, 0], // Upper arm area
leg: [-0.18, 0.4, 0.05], // Thigh area
neurological: [0, 1.7, 0.08], // Temple/head neural points
vascular: [0, 1.45, 0.12], // Neck vascular points
muscular: [0, 1.1, 0.2], // Muscle groups
skeletal: [0, 0.9, 0.15], // Joints/bones
};
const basePos = positions[category.toLowerCase()] ?? [0, 1.1, 0.15];
const hash =
pointId.split("").reduce((acc, char) => acc + char.charCodeAt(0), 0) *
0.001;
return [
basePos[0] + Math.sin(hash * 7.3) * 0.08,
basePos[1] + Math.cos(hash * 5.1) * 0.08,
basePos[2] + Math.sin(hash * 3.7) * 0.03,
];
};
/**
* Health bar component for training dummy
*
* Displays above the dummy with Korean cyberpunk styling.
* @korean 훈련인형체력바
*/
const HEALTH_BAR_WIDTH = 1.2;
const HEALTH_BAR_HEIGHT = 0.1;
const DummyHealthBar: React.FC<{
readonly health: number;
readonly maxHealth: number;
readonly position: [number, number, number];
}> = ({ health, maxHealth, position }) => {
const healthPercent = Math.max(0, Math.min(100, (health / maxHealth) * 100));
const bgGeometry = useMemo(
() => new THREE.BoxGeometry(HEALTH_BAR_WIDTH, HEALTH_BAR_HEIGHT, 0.02),
[],
);
const healthGeometry = useMemo(
() => new THREE.BoxGeometry(HEALTH_BAR_WIDTH, HEALTH_BAR_HEIGHT, 0.02),
[],
);
const borderGeometry = useMemo(
() =>
new THREE.BoxGeometry(
HEALTH_BAR_WIDTH + 0.04,
HEALTH_BAR_HEIGHT + 0.04,
0.01,
),
[],
);
const healthColor = useMemo(() => {
Eif (healthPercent > 70) return KOREAN_COLORS.HEALTH_FULL;
if (healthPercent > 40) return KOREAN_COLORS.HEALTH_MEDIUM;
if (healthPercent > 20) return KOREAN_COLORS.HEALTH_LOW;
return KOREAN_COLORS.HEALTH_CRITICAL;
}, [healthPercent]);
const healthScale: [number, number, number] = useMemo(
() => [healthPercent / 100, 1, 1],
[healthPercent],
);
useEffect(() => {
return () => {
bgGeometry.dispose();
healthGeometry.dispose();
borderGeometry.dispose();
};
}, [bgGeometry, healthGeometry, borderGeometry]);
return (
<group position={position} name="dummy-health-bar">
{/* Background bar */}
<mesh>
<primitive object={bgGeometry} />
<meshBasicMaterial
color={KOREAN_COLORS.UI_BACKGROUND_DARK}
transparent
opacity={0.7}
/>
</mesh>
{/* Health bar (scaled based on health, anchored to left edge) */}
<mesh
position={[
-(HEALTH_BAR_WIDTH * (1 - healthPercent / 100)) / 2,
0,
0.01,
]}
scale={healthScale}
>
<primitive object={healthGeometry} />
<meshBasicMaterial color={healthColor} transparent opacity={0.9} />
</mesh>
{/* Border frame - outline using EdgesGeometry for crisp border */}
<lineSegments>
<edgesGeometry args={[borderGeometry]} />
<lineBasicMaterial
color={KOREAN_COLORS.PRIMARY_CYAN}
transparent
opacity={0.8}
/>
</lineSegments>
</group>
);
};
/**
* TrainingDummy3D Component
*
* Main training dummy using SkeletalPlayer3D for consistent visual appearance.
* Displays vital points for martial arts practice with difficulty-based sizing.
*
* @example
* ```tsx
* <TrainingDummy3D
* position={[0, 0, 5]}
* selectedVitalPoint="temple"
* isTraining={true}
* health={75}
* difficulty="normal"
* onVitalPointHit={(id) => console.log(`Hit ${id}`)}
* />
* ```
*
* @korean 훈련인형3D컴포넌트
*/
export const TrainingDummy3D: React.FC<TrainingDummy3DProps> = ({
position,
selectedVitalPoint,
isTraining,
health = 100,
maxHealth = 100,
onVitalPointHit,
onDefeated,
difficulty = "normal",
vitalPointCount = 12,
isMobile = false,
archetype = PlayerArchetype.MUSA,
stance = TrigramStance.GEON,
}) => {
const groupRef = useRef<THREE.Group>(null);
const [isStunned, setIsStunned] = useState(false);
const vitalPoints = useMemo(
() =>
KOREAN_VITAL_POINTS.slice(
0,
Math.min(vitalPointCount, KOREAN_VITAL_POINTS.length),
),
[vitalPointCount],
);
const sizeMultiplier = useMemo(() => {
switch (difficulty) {
case "easy":
return 1.5; // Larger targets
case "normal":
return 1.0; // Standard size
case "hard":
return 0.7; // Smaller targets
default:
return 1.0;
}
}, [difficulty]);
const prevHealthRef = useRef(health);
const onDefeatedRef = useRef(onDefeated);
useEffect(() => {
onDefeatedRef.current = onDefeated;
}, [onDefeated]);
useEffect(() => {
Iif (prevHealthRef.current > 0 && health <= 0) {
onDefeatedRef.current?.();
}
Iif (prevHealthRef.current - health > 20) {
setIsStunned(true);
const timer = setTimeout(() => setIsStunned(false), 500);
return () => clearTimeout(timer);
}
prevHealthRef.current = health;
return undefined;
}, [health]);
useFrame((state) => {
if (!groupRef.current) return;
const time = state.clock.elapsedTime;
const breathScale = Math.sin(time * 1.5) * 0.01 + 1;
groupRef.current.scale.y = breathScale;
groupRef.current.rotation.y = Math.sin(time * 0.5) * 0.02;
});
const handlePointHit = useCallback(
(pointId: string) => {
onVitalPointHit?.(pointId);
},
[onVitalPointHit],
);
return (
<group ref={groupRef} position={position} name="training-dummy-3d">
{/* SkeletalPlayer3D as the base character model */}
<SkeletalPlayer3D
playerId="training-dummy"
archetype={archetype}
stance={stance}
position={[0, 0, 0]}
rotation={Math.PI} // Face the player
facing="left"
health={health}
maxHealth={maxHealth}
stamina={100}
ki={50}
balance="READY"
pain={0}
consciousness={100}
isMobile={isMobile}
currentAnimation="idle"
isBlocking={false}
isStunned={isStunned}
showHealthBar={false} // We use custom health bar
showStanceIndicator={false}
enableFacialExpressions={true}
enableEyeTracking={true}
/>
{/* Vital point markers overlaid on the skeletal model */}
{vitalPoints.map((point) => (
<group
key={point.id}
position={getVitalPointPosition(point.id, point.category)}
>
<VitalPointMarker3D
vitalPoint={point}
isSelected={point.id === selectedVitalPoint}
isTraining={isTraining}
isMobile={isMobile}
onHit={handlePointHit}
sizeMultiplier={sizeMultiplier}
/>
</group>
))}
{/* Health bar above dummy */}
{isTraining && (
<DummyHealthBar
health={health}
maxHealth={maxHealth}
position={[0, 2.3, 0]}
/>
)}
{/* Training mode indicator glow */}
{isTraining && (
<pointLight
position={[0, 1.2, 0.5]}
color={KOREAN_COLORS.PRIMARY_CYAN}
intensity={0.3}
distance={3}
decay={2}
/>
)}
</group>
);
};
export default TrainingDummy3D;
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