506 lines
17 KiB
C++
506 lines
17 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <string>
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#include <vector>
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#include <cryptopp/hex.h>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/scm_rev.h"
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#include "common/string_util.h"
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#include "common/swap.h"
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#include "core/core.h"
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#include "core/hle/service/hid/hid.h"
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#include "core/hle/service/ir/extra_hid.h"
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#include "core/hle/service/ir/ir_rst.h"
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#include "core/movie.h"
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namespace Core {
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/*static*/ Movie Movie::s_instance;
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enum class PlayMode { None, Recording, Playing };
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enum class ControllerStateType : u8 {
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PadAndCircle,
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Touch,
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Accelerometer,
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Gyroscope,
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IrRst,
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ExtraHidResponse
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};
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#pragma pack(push, 1)
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struct ControllerState {
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ControllerStateType type;
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union {
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struct {
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union {
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u16_le hex;
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BitField<0, 1, u16_le> a;
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BitField<1, 1, u16_le> b;
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BitField<2, 1, u16_le> select;
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BitField<3, 1, u16_le> start;
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BitField<4, 1, u16_le> right;
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BitField<5, 1, u16_le> left;
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BitField<6, 1, u16_le> up;
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BitField<7, 1, u16_le> down;
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BitField<8, 1, u16_le> r;
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BitField<9, 1, u16_le> l;
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BitField<10, 1, u16_le> x;
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BitField<11, 1, u16_le> y;
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// Bits 12-15 are currently unused
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};
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s16_le circle_pad_x;
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s16_le circle_pad_y;
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} pad_and_circle;
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struct {
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u16_le x;
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u16_le y;
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// This is a bool, u8 for platform compatibility
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u8 valid;
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} touch;
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struct {
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s16_le x;
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s16_le y;
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s16_le z;
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} accelerometer;
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struct {
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s16_le x;
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s16_le y;
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s16_le z;
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} gyroscope;
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struct {
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s16_le x;
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s16_le y;
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// These are bool, u8 for platform compatibility
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u8 zl;
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u8 zr;
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} ir_rst;
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struct {
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union {
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u32_le hex;
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BitField<0, 5, u32_le> battery_level;
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BitField<5, 1, u32_le> zl_not_held;
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BitField<6, 1, u32_le> zr_not_held;
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BitField<7, 1, u32_le> r_not_held;
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BitField<8, 12, u32_le> c_stick_x;
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BitField<20, 12, u32_le> c_stick_y;
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};
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} extra_hid_response;
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};
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};
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static_assert(sizeof(ControllerState) == 7, "ControllerState should be 7 bytes");
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#pragma pack(pop)
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constexpr std::array<u8, 4> header_magic_bytes{{'C', 'T', 'M', 0x1B}};
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#pragma pack(push, 1)
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struct CTMHeader {
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std::array<u8, 4> filetype; /// Unique Identifier to check the file type (always "CTM"0x1B)
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u64_le program_id; /// ID of the ROM being executed. Also called title_id
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std::array<u8, 20> revision; /// Git hash of the revision this movie was created with
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std::array<u8, 224> reserved; /// Make heading 256 bytes so it has consistent size
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};
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static_assert(sizeof(CTMHeader) == 256, "CTMHeader should be 256 bytes");
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#pragma pack(pop)
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bool Movie::IsPlayingInput() const {
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return play_mode == PlayMode::Playing;
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}
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bool Movie::IsRecordingInput() const {
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return play_mode == PlayMode::Recording;
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}
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void Movie::CheckInputEnd() {
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if (current_byte + sizeof(ControllerState) > recorded_input.size()) {
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LOG_INFO(Movie, "Playback finished");
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play_mode = PlayMode::None;
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playback_completion_callback();
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}
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}
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void Movie::Play(Service::HID::PadState& pad_state, s16& circle_pad_x, s16& circle_pad_y) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::PadAndCircle) {
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LOG_ERROR(Movie,
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"Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::PadAndCircle), static_cast<int>(s.type));
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return;
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}
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pad_state.a.Assign(s.pad_and_circle.a);
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pad_state.b.Assign(s.pad_and_circle.b);
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pad_state.select.Assign(s.pad_and_circle.select);
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pad_state.start.Assign(s.pad_and_circle.start);
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pad_state.right.Assign(s.pad_and_circle.right);
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pad_state.left.Assign(s.pad_and_circle.left);
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pad_state.up.Assign(s.pad_and_circle.up);
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pad_state.down.Assign(s.pad_and_circle.down);
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pad_state.r.Assign(s.pad_and_circle.r);
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pad_state.l.Assign(s.pad_and_circle.l);
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pad_state.x.Assign(s.pad_and_circle.x);
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pad_state.y.Assign(s.pad_and_circle.y);
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circle_pad_x = s.pad_and_circle.circle_pad_x;
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circle_pad_y = s.pad_and_circle.circle_pad_y;
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}
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void Movie::Play(Service::HID::TouchDataEntry& touch_data) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::Touch) {
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LOG_ERROR(Movie,
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"Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::Touch), static_cast<int>(s.type));
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return;
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}
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touch_data.x = s.touch.x;
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touch_data.y = s.touch.y;
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touch_data.valid.Assign(s.touch.valid);
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}
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void Movie::Play(Service::HID::AccelerometerDataEntry& accelerometer_data) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::Accelerometer) {
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LOG_ERROR(Movie,
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"Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::Accelerometer), static_cast<int>(s.type));
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return;
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}
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accelerometer_data.x = s.accelerometer.x;
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accelerometer_data.y = s.accelerometer.y;
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accelerometer_data.z = s.accelerometer.z;
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}
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void Movie::Play(Service::HID::GyroscopeDataEntry& gyroscope_data) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::Gyroscope) {
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LOG_ERROR(Movie,
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"Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::Gyroscope), static_cast<int>(s.type));
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return;
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}
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gyroscope_data.x = s.gyroscope.x;
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gyroscope_data.y = s.gyroscope.y;
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gyroscope_data.z = s.gyroscope.z;
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}
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void Movie::Play(Service::IR::PadState& pad_state, s16& c_stick_x, s16& c_stick_y) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::IrRst) {
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LOG_ERROR(Movie,
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"Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::IrRst), static_cast<int>(s.type));
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return;
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}
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c_stick_x = s.ir_rst.x;
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c_stick_y = s.ir_rst.y;
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pad_state.zl.Assign(s.ir_rst.zl);
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pad_state.zr.Assign(s.ir_rst.zr);
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}
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void Movie::Play(Service::IR::ExtraHIDResponse& extra_hid_response) {
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ControllerState s;
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std::memcpy(&s, &recorded_input[current_byte], sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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if (s.type != ControllerStateType::ExtraHidResponse) {
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LOG_ERROR(
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Movie, "Expected to read type {}, but found {}. Your playback will be out of sync",
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static_cast<int>(ControllerStateType::ExtraHidResponse), static_cast<int>(s.type));
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return;
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}
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extra_hid_response.buttons.battery_level.Assign(
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static_cast<u8>(s.extra_hid_response.battery_level));
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extra_hid_response.c_stick.c_stick_x.Assign(s.extra_hid_response.c_stick_x);
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extra_hid_response.c_stick.c_stick_y.Assign(s.extra_hid_response.c_stick_y);
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extra_hid_response.buttons.r_not_held.Assign(static_cast<u8>(s.extra_hid_response.r_not_held));
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extra_hid_response.buttons.zl_not_held.Assign(
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static_cast<u8>(s.extra_hid_response.zl_not_held));
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extra_hid_response.buttons.zr_not_held.Assign(
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static_cast<u8>(s.extra_hid_response.zr_not_held));
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}
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void Movie::Record(const ControllerState& controller_state) {
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recorded_input.resize(current_byte + sizeof(ControllerState));
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std::memcpy(&recorded_input[current_byte], &controller_state, sizeof(ControllerState));
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current_byte += sizeof(ControllerState);
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}
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void Movie::Record(const Service::HID::PadState& pad_state, const s16& circle_pad_x,
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const s16& circle_pad_y) {
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ControllerState s;
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s.type = ControllerStateType::PadAndCircle;
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s.pad_and_circle.a.Assign(static_cast<u16>(pad_state.a));
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s.pad_and_circle.b.Assign(static_cast<u16>(pad_state.b));
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s.pad_and_circle.select.Assign(static_cast<u16>(pad_state.select));
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s.pad_and_circle.start.Assign(static_cast<u16>(pad_state.start));
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s.pad_and_circle.right.Assign(static_cast<u16>(pad_state.right));
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s.pad_and_circle.left.Assign(static_cast<u16>(pad_state.left));
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s.pad_and_circle.up.Assign(static_cast<u16>(pad_state.up));
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s.pad_and_circle.down.Assign(static_cast<u16>(pad_state.down));
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s.pad_and_circle.r.Assign(static_cast<u16>(pad_state.r));
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s.pad_and_circle.l.Assign(static_cast<u16>(pad_state.l));
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s.pad_and_circle.x.Assign(static_cast<u16>(pad_state.x));
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s.pad_and_circle.y.Assign(static_cast<u16>(pad_state.y));
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s.pad_and_circle.circle_pad_x = circle_pad_x;
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s.pad_and_circle.circle_pad_y = circle_pad_y;
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Record(s);
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}
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void Movie::Record(const Service::HID::TouchDataEntry& touch_data) {
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ControllerState s;
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s.type = ControllerStateType::Touch;
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s.touch.x = touch_data.x;
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s.touch.y = touch_data.y;
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s.touch.valid = static_cast<u8>(touch_data.valid);
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Record(s);
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}
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void Movie::Record(const Service::HID::AccelerometerDataEntry& accelerometer_data) {
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ControllerState s;
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s.type = ControllerStateType::Accelerometer;
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s.accelerometer.x = accelerometer_data.x;
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s.accelerometer.y = accelerometer_data.y;
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s.accelerometer.z = accelerometer_data.z;
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Record(s);
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}
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void Movie::Record(const Service::HID::GyroscopeDataEntry& gyroscope_data) {
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ControllerState s;
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s.type = ControllerStateType::Gyroscope;
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s.gyroscope.x = gyroscope_data.x;
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s.gyroscope.y = gyroscope_data.y;
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s.gyroscope.z = gyroscope_data.z;
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Record(s);
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}
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void Movie::Record(const Service::IR::PadState& pad_state, const s16& c_stick_x,
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const s16& c_stick_y) {
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ControllerState s;
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s.type = ControllerStateType::IrRst;
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s.ir_rst.x = c_stick_x;
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s.ir_rst.y = c_stick_y;
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s.ir_rst.zl = static_cast<u8>(pad_state.zl);
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s.ir_rst.zr = static_cast<u8>(pad_state.zr);
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Record(s);
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}
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void Movie::Record(const Service::IR::ExtraHIDResponse& extra_hid_response) {
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ControllerState s;
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s.type = ControllerStateType::ExtraHidResponse;
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s.extra_hid_response.battery_level.Assign(extra_hid_response.buttons.battery_level);
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s.extra_hid_response.c_stick_x.Assign(extra_hid_response.c_stick.c_stick_x);
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s.extra_hid_response.c_stick_y.Assign(extra_hid_response.c_stick.c_stick_y);
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s.extra_hid_response.r_not_held.Assign(extra_hid_response.buttons.r_not_held);
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s.extra_hid_response.zl_not_held.Assign(extra_hid_response.buttons.zl_not_held);
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s.extra_hid_response.zr_not_held.Assign(extra_hid_response.buttons.zr_not_held);
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Record(s);
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}
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Movie::ValidationResult Movie::ValidateHeader(const CTMHeader& header, u64 program_id) const {
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if (header_magic_bytes != header.filetype) {
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LOG_ERROR(Movie, "Playback file does not have valid header");
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return ValidationResult::Invalid;
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}
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std::string revision =
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Common::ArrayToString(header.revision.data(), header.revision.size(), 21, false);
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revision = Common::ToLower(revision);
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if (!program_id)
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Core::System::GetInstance().GetAppLoader().ReadProgramId(program_id);
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if (program_id != header.program_id) {
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LOG_WARNING(Movie, "This movie was recorded using a ROM with a different program id");
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return ValidationResult::GameDismatch;
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}
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if (revision != Common::g_scm_rev) {
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LOG_WARNING(Movie,
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"This movie was created on a different version of Citra, playback may desync");
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return ValidationResult::RevisionDismatch;
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}
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return ValidationResult::OK;
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}
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void Movie::SaveMovie() {
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LOG_INFO(Movie, "Saving recorded movie to '{}'", record_movie_file);
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FileUtil::IOFile save_record(record_movie_file, "wb");
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if (!save_record.IsGood()) {
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LOG_ERROR(Movie, "Unable to open file to save movie");
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return;
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}
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CTMHeader header = {};
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header.filetype = header_magic_bytes;
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Core::System::GetInstance().GetAppLoader().ReadProgramId(header.program_id);
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std::string rev_bytes;
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CryptoPP::StringSource(Common::g_scm_rev, true,
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new CryptoPP::HexDecoder(new CryptoPP::StringSink(rev_bytes)));
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std::memcpy(header.revision.data(), rev_bytes.data(), sizeof(CTMHeader::revision));
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save_record.WriteBytes(&header, sizeof(CTMHeader));
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save_record.WriteBytes(recorded_input.data(), recorded_input.size());
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if (!save_record.IsGood()) {
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LOG_ERROR(Movie, "Error saving movie");
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}
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}
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void Movie::StartPlayback(const std::string& movie_file,
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std::function<void()> completion_callback) {
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LOG_INFO(Movie, "Loading Movie for playback");
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FileUtil::IOFile save_record(movie_file, "rb");
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const u64 size = save_record.GetSize();
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if (save_record.IsGood() && size > sizeof(CTMHeader)) {
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CTMHeader header;
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save_record.ReadArray(&header, 1);
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if (ValidateHeader(header) != ValidationResult::Invalid) {
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play_mode = PlayMode::Playing;
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recorded_input.resize(size - sizeof(CTMHeader));
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save_record.ReadArray(recorded_input.data(), recorded_input.size());
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current_byte = 0;
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playback_completion_callback = completion_callback;
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}
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} else {
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LOG_ERROR(Movie, "Failed to playback movie: Unable to open '{}'", movie_file);
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}
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}
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void Movie::StartRecording(const std::string& movie_file) {
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LOG_INFO(Movie, "Enabling Movie recording");
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play_mode = PlayMode::Recording;
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record_movie_file = movie_file;
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}
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Movie::ValidationResult Movie::ValidateMovie(const std::string& movie_file, u64 program_id) const {
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LOG_INFO(Movie, "Validating Movie file '{}'", movie_file);
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FileUtil::IOFile save_record(movie_file, "rb");
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const u64 size = save_record.GetSize();
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if (!save_record || size <= sizeof(CTMHeader)) {
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return ValidationResult::Invalid;
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}
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CTMHeader header;
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save_record.ReadArray(&header, 1);
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return ValidateHeader(header, program_id);
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}
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u64 Movie::GetMovieProgramID(const std::string& movie_file) const {
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FileUtil::IOFile save_record(movie_file, "rb");
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const u64 size = save_record.GetSize();
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if (!save_record || size <= sizeof(CTMHeader)) {
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return 0;
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}
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CTMHeader header;
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save_record.ReadArray(&header, 1);
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if (header_magic_bytes != header.filetype) {
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return 0;
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}
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return static_cast<u64>(header.program_id);
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}
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void Movie::Shutdown() {
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if (IsRecordingInput()) {
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SaveMovie();
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}
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play_mode = PlayMode::None;
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recorded_input.resize(0);
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record_movie_file.clear();
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current_byte = 0;
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}
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template <typename... Targs>
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void Movie::Handle(Targs&... Fargs) {
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if (IsPlayingInput()) {
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ASSERT(current_byte + sizeof(ControllerState) <= recorded_input.size());
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Play(Fargs...);
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CheckInputEnd();
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} else if (IsRecordingInput()) {
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Record(Fargs...);
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}
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}
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void Movie::HandlePadAndCircleStatus(Service::HID::PadState& pad_state, s16& circle_pad_x,
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s16& circle_pad_y) {
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Handle(pad_state, circle_pad_x, circle_pad_y);
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}
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void Movie::HandleTouchStatus(Service::HID::TouchDataEntry& touch_data) {
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Handle(touch_data);
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}
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void Movie::HandleAccelerometerStatus(Service::HID::AccelerometerDataEntry& accelerometer_data) {
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Handle(accelerometer_data);
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}
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void Movie::HandleGyroscopeStatus(Service::HID::GyroscopeDataEntry& gyroscope_data) {
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Handle(gyroscope_data);
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}
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void Movie::HandleIrRst(Service::IR::PadState& pad_state, s16& c_stick_x, s16& c_stick_y) {
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Handle(pad_state, c_stick_x, c_stick_y);
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}
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void Movie::HandleExtraHidResponse(Service::IR::ExtraHIDResponse& extra_hid_response) {
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Handle(extra_hid_response);
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}
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} // namespace Core
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