fallout2-ce/src/vcr.cc

442 lines
11 KiB
C++

#include "vcr.h"
#include <stdlib.h>
#include "core.h"
#include "input.h"
#include "kb.h"
#include "memory.h"
#include "mouse.h"
namespace fallout {
static bool vcrInitBuffer();
static bool vcrFreeBuffer();
static bool vcrClear();
static bool vcrLoad();
// 0x51E2F0
VcrEntry* _vcr_buffer = NULL;
// number of entries in _vcr_buffer
// 0x51E2F4
int _vcr_buffer_index = 0;
// 0x51E2F8
unsigned int gVcrState = VCR_STATE_TURNED_OFF;
// 0x51E2FC
unsigned int _vcr_time = 0;
// 0x51E300
unsigned int _vcr_counter = 0;
// 0x51E304
unsigned int gVcrTerminateFlags = 0;
// 0x51E308
int gVcrPlaybackCompletionReason = VCR_PLAYBACK_COMPLETION_REASON_NONE;
// 0x51E30C
static unsigned int _vcr_start_time = 0;
// 0x51E310
static int _vcr_registered_atexit = 0;
// 0x51E314
static File* gVcrFile = NULL;
// 0x51E318
static int _vcr_buffer_end = 0;
// 0x51E31C
static VcrPlaybackCompletionCallback* gVcrPlaybackCompletionCallback = NULL;
// 0x51E320
static unsigned int gVcrRequestedTerminationFlags = 0;
// 0x51E324
static int gVcrOldKeyboardLayout = 0;
// 0x6AD940
static VcrEntry stru_6AD940;
// 0x4D2680
bool vcrRecord(const char* fileName)
{
if (gVcrState != VCR_STATE_TURNED_OFF) {
return false;
}
if (fileName == NULL) {
return false;
}
// NOTE: Uninline.
if (!vcrInitBuffer()) {
return false;
}
gVcrFile = fileOpen(fileName, "wb");
if (gVcrFile == NULL) {
// NOTE: Uninline.
vcrFreeBuffer();
return false;
}
if (_vcr_registered_atexit == 0) {
_vcr_registered_atexit = atexit(vcrStop);
}
VcrEntry* vcrEntry = &(_vcr_buffer[_vcr_buffer_index]);
vcrEntry->type = VCR_ENTRY_TYPE_INITIAL_STATE;
vcrEntry->time = 0;
vcrEntry->counter = 0;
vcrEntry->initial.keyboardLayout = keyboardGetLayout();
while (mouseGetEvent() != 0) {
_mouse_info();
}
mouseGetPosition(&(vcrEntry->initial.mouseX), &(vcrEntry->initial.mouseY));
_vcr_counter = 1;
_vcr_buffer_index++;
_vcr_start_time = _get_time();
keyboardReset();
gVcrState = VCR_STATE_RECORDING;
return true;
}
// 0x4D27EC
bool vcrPlay(const char* fileName, unsigned int terminationFlags, VcrPlaybackCompletionCallback* callback)
{
if (gVcrState != VCR_STATE_TURNED_OFF) {
return false;
}
if (fileName == NULL) {
return false;
}
// NOTE: Uninline.
if (!vcrInitBuffer()) {
return false;
}
gVcrFile = fileOpen(fileName, "rb");
if (gVcrFile == NULL) {
// NOTE: Uninline.
vcrFreeBuffer();
return false;
}
if (!vcrLoad()) {
fileClose(gVcrFile);
// NOTE: Uninline.
vcrFreeBuffer();
return false;
}
while (mouseGetEvent() != 0) {
_mouse_info();
}
keyboardReset();
gVcrRequestedTerminationFlags = terminationFlags;
gVcrPlaybackCompletionCallback = callback;
gVcrPlaybackCompletionReason = VCR_PLAYBACK_COMPLETION_REASON_COMPLETED;
gVcrTerminateFlags = 0;
_vcr_counter = 0;
_vcr_time = 0;
_vcr_start_time = _get_time();
gVcrState = VCR_STATE_PLAYING;
stru_6AD940.time = 0;
stru_6AD940.counter = 0;
return true;
}
// 0x4D28F4
void vcrStop()
{
if (gVcrState == VCR_STATE_RECORDING || gVcrState == VCR_STATE_PLAYING) {
gVcrState |= VCR_STATE_STOP_REQUESTED;
}
keyboardReset();
}
// 0x4D2918
int vcrGetState()
{
return gVcrState;
}
// 0x4D2930
int vcrUpdate()
{
if ((gVcrState & VCR_STATE_STOP_REQUESTED) != 0) {
gVcrState &= ~VCR_STATE_STOP_REQUESTED;
switch (gVcrState) {
case VCR_STATE_RECORDING:
vcrDump();
fileClose(gVcrFile);
gVcrFile = NULL;
// NOTE: Uninline.
vcrFreeBuffer();
break;
case VCR_STATE_PLAYING:
fileClose(gVcrFile);
gVcrFile = NULL;
// NOTE: Uninline.
vcrFreeBuffer();
keyboardSetLayout(gVcrOldKeyboardLayout);
if (gVcrPlaybackCompletionCallback != NULL) {
gVcrPlaybackCompletionCallback(gVcrPlaybackCompletionReason);
}
break;
}
gVcrState = VCR_STATE_TURNED_OFF;
}
switch (gVcrState) {
case VCR_STATE_RECORDING:
_vcr_counter++;
_vcr_time = getTicksSince(_vcr_start_time);
if (_vcr_buffer_index == VCR_BUFFER_CAPACITY - 1) {
vcrDump();
}
break;
case VCR_STATE_PLAYING:
if (_vcr_buffer_index < _vcr_buffer_end || vcrLoad()) {
VcrEntry* vcrEntry = &(_vcr_buffer[_vcr_buffer_index]);
if (stru_6AD940.counter < vcrEntry->counter) {
if (vcrEntry->time > stru_6AD940.time) {
unsigned int delay = stru_6AD940.time;
delay += (_vcr_counter - stru_6AD940.counter)
* (vcrEntry->time - stru_6AD940.time)
/ (vcrEntry->counter - stru_6AD940.counter);
while (getTicksSince(_vcr_start_time) < delay) {
}
}
}
_vcr_counter++;
int rc = 0;
while (_vcr_counter >= _vcr_buffer[_vcr_buffer_index].counter) {
_vcr_time = getTicksSince(_vcr_start_time);
if (_vcr_time > _vcr_buffer[_vcr_buffer_index].time + 5
|| _vcr_time < _vcr_buffer[_vcr_buffer_index].time - 5) {
_vcr_start_time += _vcr_time - _vcr_buffer[_vcr_buffer_index].time;
}
switch (_vcr_buffer[_vcr_buffer_index].type) {
case VCR_ENTRY_TYPE_INITIAL_STATE:
gVcrState = VCR_STATE_TURNED_OFF;
gVcrOldKeyboardLayout = keyboardGetLayout();
keyboardSetLayout(_vcr_buffer[_vcr_buffer_index].initial.keyboardLayout);
while (mouseGetEvent() != 0) {
_mouse_info();
}
gVcrState = VCR_ENTRY_TYPE_INITIAL_STATE;
mouseHideCursor();
_mouse_set_position(_vcr_buffer[_vcr_buffer_index].initial.mouseX, _vcr_buffer[_vcr_buffer_index].initial.mouseY);
mouseShowCursor();
keyboardReset();
gVcrTerminateFlags = gVcrRequestedTerminationFlags;
_vcr_start_time = _get_time();
_vcr_counter = 0;
break;
case VCR_ENTRY_TYPE_KEYBOARD_EVENT:
if (1) {
KeyboardData keyboardData;
keyboardData.key = _vcr_buffer[_vcr_buffer_index].keyboardEvent.key;
_kb_simulate_key(&keyboardData);
}
break;
case VCR_ENTRY_TYPE_MOUSE_EVENT:
rc = 3;
_mouse_simulate_input(_vcr_buffer[_vcr_buffer_index].mouseEvent.dx, _vcr_buffer[_vcr_buffer_index].mouseEvent.dy, _vcr_buffer[_vcr_buffer_index].mouseEvent.buttons);
break;
}
memcpy(&stru_6AD940, &(_vcr_buffer[_vcr_buffer_index]), sizeof(stru_6AD940));
_vcr_buffer_index++;
}
return rc;
} else {
// NOTE: Uninline.
vcrStop();
}
break;
}
return 0;
}
// NOTE: Inlined.
//
// 0x4D2C64
static bool vcrInitBuffer()
{
if (_vcr_buffer == NULL) {
_vcr_buffer = (VcrEntry*)internal_malloc(sizeof(*_vcr_buffer) * VCR_BUFFER_CAPACITY);
if (_vcr_buffer == NULL) {
return false;
}
}
// NOTE: Uninline.
vcrClear();
return true;
}
// NOTE: Inlined.
//
// 0x4D2C98
static bool vcrFreeBuffer()
{
if (_vcr_buffer == NULL) {
return false;
}
// NOTE: Uninline.
vcrClear();
internal_free(_vcr_buffer);
_vcr_buffer = NULL;
return true;
}
// 0x4D2CD0
static bool vcrClear()
{
if (_vcr_buffer == NULL) {
return false;
}
_vcr_buffer_index = 0;
return true;
}
// 0x4D2CF0
bool vcrDump()
{
if (_vcr_buffer == NULL) {
return false;
}
if (gVcrFile == NULL) {
return false;
}
for (int index = 0; index < _vcr_buffer_index; index++) {
if (!vcrWriteEntry(&(_vcr_buffer[index]), gVcrFile)) {
return false;
}
}
// NOTE: Uninline.
if (!vcrClear()) {
return false;
}
return true;
}
// 0x4D2D74
static bool vcrLoad()
{
if (gVcrFile == NULL) {
return false;
}
// NOTE: Uninline.
if (!vcrClear()) {
return false;
}
for (_vcr_buffer_end = 0; _vcr_buffer_end < VCR_BUFFER_CAPACITY; _vcr_buffer_end++) {
if (!vcrReadEntry(&(_vcr_buffer[_vcr_buffer_end]), gVcrFile)) {
break;
}
}
if (_vcr_buffer_end == 0) {
return false;
}
return true;
}
// 0x4D2E00
bool vcrWriteEntry(VcrEntry* vcrEntry, File* stream)
{
if (fileWriteUInt32(stream, vcrEntry->type) == -1) return false;
if (fileWriteUInt32(stream, vcrEntry->time) == -1) return false;
if (fileWriteUInt32(stream, vcrEntry->counter) == -1) return false;
switch (vcrEntry->type) {
case VCR_ENTRY_TYPE_INITIAL_STATE:
if (fileWriteInt32(stream, vcrEntry->initial.mouseX) == -1) return false;
if (fileWriteInt32(stream, vcrEntry->initial.mouseY) == -1) return false;
if (fileWriteInt32(stream, vcrEntry->initial.keyboardLayout) == -1) return false;
return true;
case VCR_ENTRY_TYPE_KEYBOARD_EVENT:
if (fileWriteInt16(stream, vcrEntry->keyboardEvent.key) == -1) return false;
return true;
case VCR_ENTRY_TYPE_MOUSE_EVENT:
if (fileWriteInt32(stream, vcrEntry->mouseEvent.dx) == -1) return false;
if (fileWriteInt32(stream, vcrEntry->mouseEvent.dy) == -1) return false;
if (fileWriteInt32(stream, vcrEntry->mouseEvent.buttons) == -1) return false;
return true;
}
return false;
}
// 0x4D2EE4
bool vcrReadEntry(VcrEntry* vcrEntry, File* stream)
{
if (fileReadUInt32(stream, &(vcrEntry->type)) == -1) return false;
if (fileReadUInt32(stream, &(vcrEntry->time)) == -1) return false;
if (fileReadUInt32(stream, &(vcrEntry->counter)) == -1) return false;
switch (vcrEntry->type) {
case VCR_ENTRY_TYPE_INITIAL_STATE:
if (fileReadInt32(stream, &(vcrEntry->initial.mouseX)) == -1) return false;
if (fileReadInt32(stream, &(vcrEntry->initial.mouseY)) == -1) return false;
if (fileReadInt32(stream, &(vcrEntry->initial.keyboardLayout)) == -1) return false;
return true;
case VCR_ENTRY_TYPE_KEYBOARD_EVENT:
if (fileReadInt16(stream, &(vcrEntry->keyboardEvent.key)) == -1) return false;
return true;
case VCR_ENTRY_TYPE_MOUSE_EVENT:
if (fileReadInt32(stream, &(vcrEntry->mouseEvent.dx)) == -1) return false;
if (fileReadInt32(stream, &(vcrEntry->mouseEvent.dy)) == -1) return false;
if (fileReadInt32(stream, &(vcrEntry->mouseEvent.buttons)) == -1) return false;
return true;
}
return false;
}
} // fallout