Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 | 2x 2x 2x | /**
* ActionButtons Component
*
* Touch-optimized action buttons for combat (Attack and Block)
* Provides tactile combat controls with visual feedback and haptic response
*
* WCAG 2.1 Level AA Compliance:
* - ARIA labels for screen readers
* - Keyboard navigation (Enter, Space)
* - Visible focus indicators (2px cyan border)
* - 80x80px and 70x70px touch targets (exceeds 44x44px minimum)
*
* @module components/mobile/ActionButtons
* @category Mobile Controls
* @korean 액션 버튼
*/
import { Html } from "@react-three/drei";
import React, {
useCallback,
useState,
useMemo,
useRef,
useEffect,
} from "react";
import { KOREAN_COLORS } from "@/types/constants";
import { triggerOptimizedHaptic } from "./HapticController";
import {
applyOptimizedUpdate,
createTransformStyle,
createFilterStyle,
} from "./TouchOptimizer";
import { getColorRGB } from "../../../utils/colorHelpers";
import { handleKeyboardNav, getFocusStyle } from "../../../utils/accessibility";
import { createBilingualLabel } from "../../../types/AccessibilityTypes";
import { useThrottle } from "../../../hooks/useThrottle";
/**
* Event type for button interactions
*/
export type ButtonEventType = "start" | "end";
/**
* Props for ActionButtons component
*/
export interface ActionButtonsProps {
/** Callback when attack button is pressed */
readonly onAttack: () => void;
/** Callback when block button is pressed/released */
readonly onBlock: (eventType: ButtonEventType) => void;
/** Whether buttons are disabled */
readonly disabled?: boolean;
/** Position from bottom in pixels (default: 34 for safe area) */
readonly bottom?: number;
/** Position from right in pixels (default: 20) */
readonly right?: number;
/** Opacity of buttons (default: 0.8) */
readonly opacity?: number;
}
/**
* ActionButtons Component
*
* Provides two primary combat action buttons:
* - Attack Button (⚡): Primary combat action, 80x80px
* - Block Button (🛡️): Defensive action, 70x70px
*
* Features:
* - Touch-optimized with minimum 44x44px targets
* - Attack button: 80x80px for primary action
* - Block button: 70x70px for secondary action
* - Visual feedback on press
* - Haptic feedback for tactile response
* - Korean cyberpunk theming
* - Hold-to-block support
*
* Usage in Combat:
* - Attack: Executes current stance technique
* - Block: Activates defensive guard (hold for sustained block)
*
* @example
* ```tsx
* <ActionButtons
* onAttack={() => executeTechnique()}
* onBlock={(eventType) => {
* if (eventType === 'start') {
* activateBlock();
* } else {
* deactivateBlock();
* }
* }}
* disabled={isPaused}
* />
* ```
*
* @public
* @korean 액션버튼
*/
const ActionButtonsComponent: React.FC<ActionButtonsProps> = ({
onAttack,
onBlock,
disabled = false,
bottom = 34,
right = 20,
opacity = 0.8,
}) => {
const [attackPressed, setAttackPressed] = useState(false);
const [blockPressed, setBlockPressed] = useState(false);
const [attackFocused, setAttackFocused] = useState(false);
const [blockFocused, setBlockFocused] = useState(false);
// Button refs for direct DOM manipulation (immediate visual feedback)
const attackButtonRef = useRef<HTMLButtonElement>(null);
const blockButtonRef = useRef<HTMLButtonElement>(null);
// Throttle callbacks to ~60fps for performance
const throttledOnAttack = useThrottle(onAttack, 16);
const throttledOnBlock = useThrottle(onBlock, 16);
/**
* Handle attack button press with optimized latency (<16ms)
* Uses direct DOM manipulation for immediate visual feedback
*/
const handleAttackStart = useCallback(
(e: React.TouchEvent | React.MouseEvent) => {
if (disabled) return;
e.preventDefault();
e.stopPropagation();
// Immediate visual update using optimized approach (<16ms)
applyOptimizedUpdate(
attackButtonRef.current,
(element) => {
// GPU-accelerated transform
element.style.transform = createTransformStyle(true, 0.95);
element.style.filter = createFilterStyle(true, 1.2);
},
() => {
// Deferred state update
setAttackPressed(true);
throttledOnAttack();
triggerOptimizedHaptic("medium");
},
);
},
[disabled, throttledOnAttack],
);
/**
* Handle attack button release with optimized latency
*/
const handleAttackEnd = useCallback(
(e: React.TouchEvent | React.MouseEvent) => {
if (disabled) return;
e.preventDefault();
e.stopPropagation();
// Immediate visual reset
applyOptimizedUpdate(
attackButtonRef.current,
(element) => {
element.style.transform = createTransformStyle(false);
element.style.filter = createFilterStyle(false);
},
() => {
setAttackPressed(false);
},
);
},
[disabled],
);
/**
* Handle block button press with optimized latency (<16ms)
*/
const handleBlockStart = useCallback(
(e: React.TouchEvent | React.MouseEvent) => {
if (disabled) return;
e.preventDefault();
e.stopPropagation();
// Immediate visual update
applyOptimizedUpdate(
blockButtonRef.current,
(element) => {
element.style.transform = createTransformStyle(true, 0.95);
element.style.filter = createFilterStyle(true, 1.2);
},
() => {
setBlockPressed(true);
throttledOnBlock("start");
triggerOptimizedHaptic("light");
},
);
},
[disabled, throttledOnBlock],
);
/**
* Handle block button release with optimized latency
*/
const handleBlockEnd = useCallback(
(e: React.TouchEvent | React.MouseEvent) => {
if (disabled) return;
e.preventDefault();
e.stopPropagation();
// Immediate visual reset
applyOptimizedUpdate(
blockButtonRef.current,
(element) => {
element.style.transform = createTransformStyle(false);
element.style.filter = createFilterStyle(false);
},
() => {
setBlockPressed(false);
throttledOnBlock("end");
},
);
},
[disabled, throttledOnBlock],
);
/**
* Cleanup on unmount - reset any pending visual states.
* Note: Captures button refs at effect creation time to avoid stale closures.
* If the buttons unmount before cleanup runs, the captured variables will still
* reference the original DOM elements (now potentially detached), so style changes
* are harmless but may not be visible. The null checks primarily guard against
* refs that were never set in the first place.
*/
useEffect(() => {
// Store refs in variables at effect creation time
const attackButton = attackButtonRef.current;
const blockButton = blockButtonRef.current;
return () => {
if (attackButton) {
attackButton.style.transform = createTransformStyle(false);
attackButton.style.filter = createFilterStyle(false);
}
if (blockButton) {
blockButton.style.transform = createTransformStyle(false);
blockButton.style.filter = createFilterStyle(false);
}
};
}, []);
/**
* Handle keyboard navigation for attack button
*/
const handleAttackKeyDown = useCallback(
(e: React.KeyboardEvent) => {
if (disabled) return;
handleKeyboardNav(e.nativeEvent, {
onActivate: () => {
setAttackPressed(true);
onAttack();
triggerOptimizedHaptic("medium");
// Release after brief delay
setTimeout(() => setAttackPressed(false), 150);
},
});
},
[disabled, onAttack],
);
/**
* Handle keyboard navigation for block button
*/
const handleBlockKeyDown = useCallback(
(e: React.KeyboardEvent) => {
if (disabled) return;
handleKeyboardNav(e.nativeEvent, {
onActivate: () => {
setBlockPressed(true);
onBlock("start");
triggerOptimizedHaptic("light");
// Release after brief delay
setTimeout(() => {
setBlockPressed(false);
onBlock("end");
}, 150);
},
});
},
[disabled, onBlock],
);
// Extract RGB colors using shared utility
const colors = useMemo(
() => ({
gold: getColorRGB(KOREAN_COLORS.ACCENT_GOLD),
blue: getColorRGB(KOREAN_COLORS.ACCENT_BLUE),
primary: getColorRGB(KOREAN_COLORS.PRIMARY_CYAN),
}),
[],
);
return (
<Html fullscreen>
<div
style={{
position: "absolute",
bottom: `${bottom}px`,
right: `${right}px`,
display: "flex",
flexDirection: "column",
gap: "10px",
opacity: disabled ? 0.3 : opacity,
pointerEvents: disabled ? "none" : "auto",
}}
data-testid="action-buttons"
>
{/* Primary Attack Button */}
<button
ref={attackButtonRef}
onTouchStart={handleAttackStart}
onTouchEnd={handleAttackEnd}
onMouseDown={handleAttackStart}
onMouseUp={handleAttackEnd}
onMouseLeave={handleAttackEnd}
onKeyDown={handleAttackKeyDown}
onFocus={() => setAttackFocused(true)}
onBlur={() => setAttackFocused(false)}
style={{
width: "80px",
height: "80px",
borderRadius: "50%",
background: attackPressed
? `rgba(${colors.gold.r}, ${colors.gold.g}, ${colors.gold.b}, 1)`
: `rgba(${colors.gold.r}, ${colors.gold.g}, ${colors.gold.b}, 0.9)`,
border: "3px solid #fff",
fontSize: "28px",
color: "#000",
fontWeight: "bold",
display: "flex",
alignItems: "center",
justifyContent: "center",
cursor: "pointer",
userSelect: "none",
touchAction: "none",
transition: "transform 0.1s ease-out, filter 0.1s ease-out",
// Note: transform and filter are managed via TouchOptimizer/applyOptimizedUpdate
// for immediate visual feedback. React state-driven inline styles serve as baseline
// values that are overridden during active touch interactions via direct DOM manipulation.
transform: createTransformStyle(attackPressed, 0.95),
filter: createFilterStyle(attackPressed, 1.2),
willChange: "transform, filter", // GPU hint
boxShadow: attackPressed
? `0 0 25px rgba(${colors.gold.r}, ${colors.gold.g}, ${colors.gold.b}, 1), inset 0 4px 8px rgba(0, 0, 0, 0.3)`
: `0 4px 12px rgba(0, 0, 0, 0.5), 0 0 15px rgba(${colors.gold.r}, ${colors.gold.g}, ${colors.gold.b}, 0.6)`,
...getFocusStyle(attackFocused, {
outlineWidth: 3,
boxShadow: `0 0 0 4px rgba(${colors.primary.r}, ${colors.primary.g}, ${colors.primary.b}, 0.5), 0 0 25px rgba(${colors.gold.r}, ${colors.gold.g}, ${colors.gold.b}, 1)`,
}),
}}
disabled={disabled}
aria-label={createBilingualLabel("공격", "Attack").label}
aria-pressed={attackPressed}
role="button"
tabIndex={disabled ? -1 : 0}
data-testid="attack-button"
>
⚡
</button>
{/* Block Button */}
<button
ref={blockButtonRef}
onTouchStart={handleBlockStart}
onTouchEnd={handleBlockEnd}
onMouseDown={handleBlockStart}
onMouseUp={handleBlockEnd}
onMouseLeave={handleBlockEnd}
onKeyDown={handleBlockKeyDown}
onFocus={() => setBlockFocused(true)}
onBlur={() => setBlockFocused(false)}
style={{
width: "70px",
height: "70px",
borderRadius: "50%",
background: blockPressed
? `rgba(${colors.blue.r}, ${colors.blue.g}, ${colors.blue.b}, 1)`
: `rgba(${colors.blue.r}, ${colors.blue.g}, ${colors.blue.b}, 0.9)`,
border: "2px solid #fff",
fontSize: "24px",
color: "#fff",
display: "flex",
alignItems: "center",
justifyContent: "center",
cursor: "pointer",
userSelect: "none",
touchAction: "none",
transition: "transform 0.1s ease-out, filter 0.1s ease-out",
transform: createTransformStyle(blockPressed, 0.95),
filter: createFilterStyle(blockPressed, 1.2),
willChange: "transform, filter", // GPU hint
boxShadow: blockPressed
? `0 0 20px rgba(${colors.blue.r}, ${colors.blue.g}, ${colors.blue.b}, 1), inset 0 4px 8px rgba(0, 0, 0, 0.3)`
: `0 4px 10px rgba(0, 0, 0, 0.5), 0 0 12px rgba(${colors.blue.r}, ${colors.blue.g}, ${colors.blue.b}, 0.6)`,
...getFocusStyle(blockFocused, {
outlineWidth: 3,
boxShadow: `0 0 0 4px rgba(${colors.primary.r}, ${colors.primary.g}, ${colors.primary.b}, 0.5), 0 0 20px rgba(${colors.blue.r}, ${colors.blue.g}, ${colors.blue.b}, 1)`,
}),
}}
disabled={disabled}
aria-label={createBilingualLabel("방어", "Block").label}
aria-pressed={blockPressed}
role="button"
tabIndex={disabled ? -1 : 0}
data-testid="block-button"
>
🛡️
</button>
{/* Button Labels (Korean + English) */}
<div
style={{
display: "flex",
flexDirection: "column",
gap: "2px",
alignItems: "center",
fontSize: "10px",
color: `rgba(${colors.primary.r}, ${colors.primary.g}, ${colors.primary.b}, 0.9)`,
textShadow: "0 1px 3px rgba(0, 0, 0, 0.8)",
fontWeight: "bold",
marginTop: "4px",
}}
>
<span>공격 | Attack</span>
<span style={{ fontSize: "9px" }}>방어 | Block</span>
</div>
</div>
</Html>
);
};
/**
* Memoized ActionButtons with custom comparison
* Only re-renders when props change
*/
export const ActionButtons = React.memo(
ActionButtonsComponent,
(prevProps, nextProps) => {
return (
prevProps.disabled === nextProps.disabled &&
prevProps.bottom === nextProps.bottom &&
prevProps.right === nextProps.right &&
prevProps.opacity === nextProps.opacity &&
prevProps.onAttack === nextProps.onAttack &&
prevProps.onBlock === nextProps.onBlock
);
},
);
ActionButtons.displayName = "ActionButtons";
|