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* PlayerHUD Component - Combined combat readiness, health and stamina display
*
* Displays a complete player HUD with:
* - Archetype icon/image
* - Player name (Korean/English)
* - Combat Readiness bar (10-segment, multi-factor)
* - Health bar (segmented, color-coded)
* - Stamina bar (segmented, cyan-themed)
* - Current stance indicator
* - Responsive positioning (top-left for player 1, top-right for player 2)
*
* Performance optimized with React.memo for 60fps rendering.
*/
import React, { useCallback, useMemo } from "react";
import { PlayerState } from "../../../../systems/player";
import type { StanceLaterality } from "../../../../systems/trigram/types";
import {
ARCHETYPE_ASSETS,
FALLBACK_ARCHETYPE_IMAGE,
FONT_FAMILY,
KOREAN_COLORS,
} from "../../../../types/constants";
import { hexToRgbaString } from "../../../../utils/colorUtils";
import { BreathingIndicator } from "./BreathingIndicator";
import { CombatReadinessBar } from "./CombatReadinessBar";
import { HealthBar } from "./HealthBar";
import { StaminaBar } from "./StaminaBar";
export interface PlayerHUDProps {
/** Player state with health, stamina, and other data */
readonly player: PlayerState;
/** Player position: 'left' for player 1, 'right' for player 2 */
readonly position: "left" | "right";
/** Whether to use mobile-optimized sizing */
readonly isMobile: boolean;
/** Stance laterality: left or right foot forward */
readonly laterality?: StanceLaterality;
}
/**
* Laterality Indicator Component - Shows L/R badge with Korean text
* @korean 측면성표시기
*/
const LateralityIndicator: React.FC<{
readonly laterality: StanceLaterality;
readonly isMobile: boolean;
}> = React.memo(({ laterality, isMobile }) => {
const isLeft = laterality === "left";
const badgeStyle = useMemo(
() => ({
display: "flex",
alignItems: "center",
gap: isMobile ? "3px" : "4px",
fontSize: isMobile ? "10px" : "11px",
fontFamily: FONT_FAMILY.KOREAN,
color: hexToRgbaString(KOREAN_COLORS.ACCENT_GOLD, 1),
}),
[isMobile],
);
const labelStyle = useMemo(
() => ({
padding: isMobile ? "1px 4px" : "2px 6px",
background: hexToRgbaString(KOREAN_COLORS.UI_BACKGROUND_DARK, 0.8),
border: `1px solid ${hexToRgbaString(KOREAN_COLORS.PRIMARY_CYAN, 0.6)}`,
borderRadius: "3px",
fontWeight: "bold",
minWidth: isMobile ? "16px" : "18px",
textAlign: "center" as const,
}),
[isMobile],
);
const textStyle = useMemo(
() => ({
opacity: 0.8,
whiteSpace: "nowrap" as const,
}),
[],
);
return (
<div style={badgeStyle} data-testid="laterality-indicator">
<span style={labelStyle} data-testid="laterality-badge">
{isLeft ? "L" : "R"}
</span>
<span style={textStyle} data-testid="laterality-text">
{isLeft ? "왼발서기" : "오른발서기"}
</span>
</div>
);
});
LateralityIndicator.displayName = "LateralityIndicator";
/**
* PlayerHUD - Complete player status display with health and stamina bars
* Performance optimized with React.memo
*/
const PlayerHUDComponent: React.FC<PlayerHUDProps> = ({
player,
position,
isMobile,
laterality,
}) => {
const playerId = player.id;
const isLeft = position === "left";
// Memoize responsive sizing to avoid recalculation
const layout = useMemo(
() => ({
fontSize: isMobile ? 11 : 13,
gap: isMobile ? "6px" : "8px",
iconSize: isMobile ? 40 : 50,
top: isMobile ? "8px" : "10px",
horizontal: isMobile ? "8px" : "12px",
}),
[isMobile],
);
// Get archetype image path (memoized)
const archetypeImagePath = useMemo(() => {
const archetypeKey = player.archetype.toLowerCase();
const assets =
ARCHETYPE_ASSETS[archetypeKey as keyof typeof ARCHETYPE_ASSETS];
return assets?.image ?? FALLBACK_ARCHETYPE_IMAGE;
}, [player.archetype]);
// Memoize style objects to prevent recreating on every render
// Uses relative positioning for embedding in container HUDs
const containerStyle = useMemo(
() => ({
position: "relative" as const,
display: "flex",
flexDirection: "column" as const,
gap: layout.gap,
pointerEvents: "none" as const,
width: "100%",
}),
[layout],
);
const iconContainerStyle = useMemo(() => {
const direction = isLeft ? "row" : "row-reverse";
return {
display: "flex",
alignItems: "center",
gap: "8px",
flexDirection: direction as "row" | "row-reverse",
};
}, [isLeft]);
const iconStyle = useMemo(
() => ({
width: `${layout.iconSize}px`,
height: `${layout.iconSize}px`,
borderRadius: "8px",
overflow: "hidden",
border: `2px solid ${hexToRgbaString(KOREAN_COLORS.ACCENT_GOLD, 1)}`,
boxShadow: `0 0 10px ${hexToRgbaString(KOREAN_COLORS.ACCENT_GOLD, 0.5)}`,
flexShrink: 0,
}),
[layout.iconSize],
);
const nameStyle = useMemo(() => {
const textAlign = isLeft ? "left" : "right";
return {
fontSize: `${layout.fontSize}px`,
fontWeight: "bold" as const,
fontFamily: FONT_FAMILY.KOREAN,
color: hexToRgbaString(KOREAN_COLORS.ACCENT_GOLD, 1),
textAlign: textAlign as "left" | "right",
textShadow: "0 0 4px rgba(0,0,0,0.8), 0 0 8px rgba(0,0,0,0.6)",
padding: "2px 6px",
background: hexToRgbaString(KOREAN_COLORS.UI_BACKGROUND_DARK, 0.7),
borderRadius: "4px",
whiteSpace: "nowrap" as const,
};
}, [layout.fontSize, isLeft]);
const stanceStyle = useMemo(() => {
const textAlign = isLeft ? "left" : "right";
return {
fontSize: isMobile ? "10px" : "12px",
fontFamily: FONT_FAMILY.KOREAN,
color: hexToRgbaString(KOREAN_COLORS.ACCENT_CYAN, 1),
textAlign: textAlign as "left" | "right",
textShadow: "0 0 4px rgba(0,0,0,0.8)",
padding: "4px 8px",
backgroundColor: hexToRgbaString(KOREAN_COLORS.UI_BACKGROUND_DARK, 0.8),
borderRadius: "4px",
marginTop: "2px",
};
}, [isMobile, isLeft]);
// Memoize error handler to prevent recreating on every render
const handleImageError = useCallback(
(e: React.SyntheticEvent<HTMLImageElement>) => {
const target = e.target as HTMLImageElement;
if (!target.src.endsWith(FALLBACK_ARCHETYPE_IMAGE)) {
target.src = FALLBACK_ARCHETYPE_IMAGE;
}
},
[],
);
return (
<div data-testid={`player-hud-${playerId}`} style={containerStyle}>
{/* Player Name with Archetype Icon */}
<div data-testid={`player-name-${playerId}`} style={iconContainerStyle}>
{/* Archetype Icon */}
<div data-testid={`archetype-icon-${playerId}`} style={iconStyle}>
<img
src={archetypeImagePath}
alt={`${player.name.english} archetype`}
style={{
width: "100%",
height: "100%",
objectFit: "cover",
}}
onError={handleImageError}
/>
</div>
{/* Player Name */}
<div style={nameStyle}>
{player.name.korean} | {player.name.english}
</div>
</div>
{/* Combat Readiness Bar - shows overall combat capability */}
<CombatReadinessBar
player={player}
playerId={playerId}
isMobile={isMobile}
/>
{/* Health Bar - shows aggregate body health */}
<HealthBar
current={player.health}
max={player.maxHealth}
playerId={playerId}
isMobile={isMobile}
/>
{/* Stamina Bar */}
<StaminaBar
current={player.stamina}
max={player.maxStamina}
playerId={playerId}
isMobile={isMobile}
/>
{/* Breathing Disruption Indicator */}
<BreathingIndicator player={player} isMobile={isMobile} />
{/* Laterality Indicator */}
{laterality && (
<LateralityIndicator laterality={laterality} isMobile={isMobile} />
)}
{/* Current Stance Indicator */}
<div data-testid={`stance-indicator-${playerId}`} style={stanceStyle}>
자세 | Stance: {player.currentStance}
</div>
</div>
);
};
/**
* Memoized PlayerHUD with custom comparison
* Only re-renders when relevant props change
*/
export const PlayerHUD = React.memo(
PlayerHUDComponent,
(prevProps, nextProps) => {
// Compare player state
const healthSame = prevProps.player.health === nextProps.player.health;
const maxHealthSame =
prevProps.player.maxHealth === nextProps.player.maxHealth;
const staminaSame = prevProps.player.stamina === nextProps.player.stamina;
const maxStaminaSame =
prevProps.player.maxStamina === nextProps.player.maxStamina;
const archetypeSame =
prevProps.player.archetype === nextProps.player.archetype;
const stanceSame =
prevProps.player.currentStance === nextProps.player.currentStance;
const idSame = prevProps.player.id === nextProps.player.id;
const nameSame =
prevProps.player.name.korean === nextProps.player.name.korean &&
prevProps.player.name.english === nextProps.player.name.english;
// Compare statusEffects for BreathingIndicator updates
const statusEffectsSame =
prevProps.player.statusEffects.length ===
nextProps.player.statusEffects.length &&
prevProps.player.statusEffects.every(
(effect, index) => effect === nextProps.player.statusEffects[index],
);
// Compare combat readiness factors for CombatReadinessBar updates
// These properties are used by calculateCombatReadiness()
const bodyPartHealthSame =
prevProps.player.bodyPartHealth === nextProps.player.bodyPartHealth;
const painSame = prevProps.player.pain === nextProps.player.pain;
const consciousnessSame =
prevProps.player.consciousness === nextProps.player.consciousness;
const balanceSame = prevProps.player.balance === nextProps.player.balance;
// Compare other props
const positionSame = prevProps.position === nextProps.position;
const mobileSame = prevProps.isMobile === nextProps.isMobile;
const lateralitySame = prevProps.laterality === nextProps.laterality;
// Return true if all relevant props are the same (skip re-render)
return (
healthSame &&
maxHealthSame &&
staminaSame &&
maxStaminaSame &&
archetypeSame &&
stanceSame &&
idSame &&
nameSame &&
statusEffectsSame &&
bodyPartHealthSame &&
painSame &&
consciousnessSame &&
balanceSame &&
positionSame &&
mobileSame &&
lateralitySame
);
},
);
export default PlayerHUD;
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