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feat: implement SMSG_CAMERA_SHAKE with sinusoidal camera shake effect

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- Add triggerShake(magnitude, frequency, duration) to CameraController
- Apply envelope-decaying sinusoidal XYZ offset to camera in update()
- Handle SMSG_CAMERA_SHAKE opcode in GameHandler dispatch
- Translate shakeId to magnitude (minor <50: 0.04, larger: 0.08 world units)
- Wire CameraShakeCallback from GameHandler through to CameraController
- Shake uses 18Hz oscillation with 30% fade-out envelope at end of duration
This commit is contained in:
Kelsi 2026-03-12 19:37:53 -07:00
parent 214c1a9ff8
commit 9aa4b223dc
5 changed files with 70 additions and 0 deletions
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19
src/game/game_handler.cpp
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@ -2760,6 +2760,25 @@ void GameHandler::handlePacket(network::Packet& packet) {
handleMoveKnockBack(packet);
break;
case Opcode::SMSG_CAMERA_SHAKE: {
// uint32 shakeID (CameraShakes.dbc), uint32 shakeType
// We don't parse CameraShakes.dbc; apply a hardcoded moderate shake.
if (packet.getSize() - packet.getReadPos() >= 8) {
uint32_t shakeId = packet.readUInt32();
uint32_t shakeType = packet.readUInt32();
(void)shakeType;
// Map shakeId ranges to approximate magnitudes:
// IDs < 50: minor environmental (0.04), others: larger boss effects (0.08)
float magnitude = (shakeId < 50) ? 0.04f : 0.08f;
if (cameraShakeCallback_) {
cameraShakeCallback_(magnitude, 18.0f, 0.5f);
}
LOG_DEBUG("SMSG_CAMERA_SHAKE: id=", shakeId, " type=", shakeType,
" magnitude=", magnitude);
}
break;
}
case Opcode::SMSG_CLIENT_CONTROL_UPDATE: {
// Minimal parse: PackedGuid + uint8 allowMovement.
if (packet.getSize() - packet.getReadPos() < 2) {