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Added rerecord support.

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This commit is contained in:
n-a-c-h
2005-03-20 00:59:28 +00:00
parent d9aa03b67e
commit cf3ee8e2b2
2 changed files with 254 additions and 42 deletions
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249
zsnes/src/zmovie.c
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@@ -30,13 +30,17 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/stat.h>
#include <zlib.h>
#define DIR_SLASH "\\"
#endif
#include "gblvars.h"
#include "asm_call.h"
#include "numconv.h"
#ifndef __WIN32__
#define mkdir(path) mkdir(path, (S_IRWXU|S_IRWXG|S_IRWXO)) //0777
#endif
extern unsigned int versionNumber;
extern unsigned int CRC32;
@@ -419,9 +423,10 @@ static struct
size_t write_buffer_loc;
struct internal_chapter_buf internal_chapters;
size_t last_internal_chapter_offset;
char *filename;
} zmv_vars;
static void write_last_joy_state()
static void write_last_joy_state(FILE *fp)
{
zmv_vars.write_buffer[0] = (zmv_vars.last_joy_state.A >> 4) & 0xFF;
zmv_vars.write_buffer[1] = ((zmv_vars.last_joy_state.A << 4) & 0xF0) | ((zmv_vars.last_joy_state.B >> 8) & 0x0F);
@@ -432,12 +437,12 @@ static void write_last_joy_state()
zmv_vars.write_buffer[6] = (zmv_vars.last_joy_state.E >> 4) & 0xFF;
zmv_vars.write_buffer[7] = (zmv_vars.last_joy_state.E << 4) & 0xF0;
fwrite(zmv_vars.write_buffer, 8, 1, zmv_vars.fp);
fwrite(zmv_vars.write_buffer, 8, 1, fp);
}
static void read_last_joy_state()
static void read_last_joy_state(FILE *fp)
{
fread(zmv_vars.write_buffer, 8, 1, zmv_vars.fp);
fread(zmv_vars.write_buffer, 8, 1, fp);
zmv_vars.last_joy_state.A = (((unsigned short)(zmv_vars.write_buffer[0])) << 4) |
((zmv_vars.write_buffer[1] & 0xF0) >> 4);
@@ -451,6 +456,15 @@ static void read_last_joy_state()
((zmv_vars.write_buffer[7] & 0xF0) >> 4);
}
static void flush_input_buffer()
{
if (zmv_vars.write_buffer_loc)
{
fwrite(zmv_vars.write_buffer, zmv_vars.write_buffer_loc, 1, zmv_vars.fp);
zmv_vars.write_buffer_loc = 0;
}
}
/*
Create and record ZMV
@@ -460,8 +474,9 @@ Create and record ZMV
static void zmv_create(char *filename)
{
memset(&zmv_vars, 0, sizeof(zmv_vars));
if ((zmv_vars.fp = fopen(filename,"wb")))
if ((zmv_vars.fp = fopen(filename,"w+b")))
{
size_t filename_len = strlen(filename);
strncpy(zmv_vars.header.magic, "ZMV", 3);
zmv_vars.header.zsnes_version = versionNumber & 0xFFFF;
zmv_vars.header.rom_crc32 = CRC32;
@@ -470,6 +485,8 @@ static void zmv_create(char *filename)
zmv_vars.header.zmv_flag.video_mode = romispal ? zmv_vm_pal : zmv_vm_ntsc;
zmv_header_write(&zmv_vars.header, zmv_vars.fp);
zst_save(zmv_vars.fp, false);
zmv_vars.filename = (char *)malloc(filename_len+1); //+1 for null
strcpy(zmv_vars.filename, filename);
}
else
{
@@ -525,8 +542,7 @@ static void zmv_record()
if (zmv_vars.write_buffer_loc > WRITE_BUFFER_SIZE - (1+sizeof(press_buf)))
{
fwrite(zmv_vars.write_buffer, zmv_vars.write_buffer_loc, 1, zmv_vars.fp);
zmv_vars.write_buffer_loc = 0;
flush_input_buffer();
}
}
@@ -537,12 +553,8 @@ static void zmv_insert_chapter()
{
unsigned char flag = BIT(2);
if (zmv_vars.write_buffer_loc)
{
fwrite(zmv_vars.write_buffer, zmv_vars.write_buffer_loc, 1, zmv_vars.fp);
zmv_vars.write_buffer_loc = 0;
}
flush_input_buffer();
fwrite(&flag, 1, 1, zmv_vars.fp);
internal_chapter_add_offset(&zmv_vars.internal_chapters, ftell(zmv_vars.fp));
@@ -551,21 +563,19 @@ static void zmv_insert_chapter()
zst_save(zmv_vars.fp, false);
fwrite4(zmv_vars.header.frames, zmv_vars.fp);
write_last_joy_state();
write_last_joy_state(zmv_vars.fp);
}
}
static void zmv_record_finish()
{
if (zmv_vars.write_buffer_loc)
{
fwrite(zmv_vars.write_buffer, zmv_vars.write_buffer_loc, 1, zmv_vars.fp);
zmv_vars.write_buffer_loc = 0;
}
flush_input_buffer();
internal_chapter_write(&zmv_vars.internal_chapters, zmv_vars.fp);
internal_chapter_free_chain(zmv_vars.internal_chapters.next);
free(zmv_vars.filename);
fwrite2(0, zmv_vars.fp); //External chapter count
rewind(zmv_vars.fp);
@@ -606,6 +616,7 @@ static bool zmv_open(char *filename)
!strncmp(zmv_vars.header.magic, "ZMV", 3))
{
unsigned short i;
size_t filename_len = strlen(filename);
if (zmv_vars.header.zsnes_version != (versionNumber & 0xFFFF))
{
@@ -634,7 +645,10 @@ static bool zmv_open(char *filename)
}
fseek(zmv_vars.fp, zmv_open_vars.input_start_pos, SEEK_SET);
zmv_vars.filename = (char *)malloc(filename_len+1); //+1 for null
strcpy(zmv_vars.filename, filename);
return(true);
}
return(false);
@@ -719,7 +733,7 @@ static bool zmv_next_chapter()
fseek(zmv_vars.fp, next_internal, SEEK_SET);
zst_load(zmv_vars.fp);
zmv_open_vars.frames_replayed = fread4(zmv_vars.fp);
read_last_joy_state();
read_last_joy_state(zmv_vars.fp);
}
else
{
@@ -731,7 +745,7 @@ static bool zmv_next_chapter()
fseek(zmv_vars.fp, -(ext_chapter_loc), SEEK_END);
zst_load(zmv_vars.fp);
zmv_open_vars.frames_replayed = fread4(zmv_vars.fp);
read_last_joy_state();
read_last_joy_state(zmv_vars.fp);
fseek(zmv_vars.fp, next_external, SEEK_SET);
}
@@ -808,7 +822,7 @@ static void zmv_prev_chapter()
fseek(zmv_vars.fp, prev_internal, SEEK_SET);
zst_load(zmv_vars.fp);
zmv_open_vars.frames_replayed = fread4(zmv_vars.fp);
read_last_joy_state();
read_last_joy_state(zmv_vars.fp);
}
else
{
@@ -820,7 +834,7 @@ static void zmv_prev_chapter()
fseek(zmv_vars.fp, -(ext_chapter_loc), SEEK_END);
zst_load(zmv_vars.fp);
zmv_open_vars.frames_replayed = fread4(zmv_vars.fp);
read_last_joy_state();
read_last_joy_state(zmv_vars.fp);
fseek(zmv_vars.fp, prev_external, SEEK_SET);
}
@@ -849,7 +863,7 @@ static void zmv_add_chapter()
fseek(zmv_vars.fp, -2, SEEK_END);
zst_save(zmv_vars.fp, false);
fwrite4(zmv_open_vars.frames_replayed, zmv_vars.fp);
write_last_joy_state();
write_last_joy_state(zmv_vars.fp);
fwrite4(current_loc, zmv_vars.fp);
fwrite2(zmv_open_vars.external_chapter_count, zmv_vars.fp);
@@ -868,6 +882,7 @@ static void zmv_replay_finished()
{
internal_chapter_free_chain(zmv_vars.internal_chapters.next);
internal_chapter_free_chain(zmv_open_vars.external_chapters.next);
free(zmv_vars.filename);
fclose(zmv_vars.fp);
}
@@ -876,8 +891,184 @@ static size_t zmv_frames_replayed()
return(zmv_open_vars.frames_replayed);
}
/////////////////////////////////////////////////////////
/*
Save and load MZT
*/
bool mzt_save(char *statename, bool thumb)
{
size_t filename_len = strlen(zmv_vars.filename);
struct stat stat_buffer;
bool mzt_saved = false;
memcpy(zmv_vars.filename+filename_len-3, "mz", 2);
if (!isdigit(zmv_vars.filename[filename_len-1]))
{
zmv_vars.filename[filename_len-1] = 't';
}
if (stat(zmv_vars.filename, &stat_buffer))
{
mkdir(zmv_vars.filename);
}
if (!chdir(zmv_vars.filename))
{
FILE *fp = 0;
if ((fp = fopen(statename,"wb")))
{
char FileExt[3];
gzFile gzp = 0;
size_t rewind_point;
zst_save(fp, thumb);
fclose(fp);
flush_input_buffer();
rewind_point = ftell(zmv_vars.fp);
internal_chapter_write(&zmv_vars.internal_chapters, zmv_vars.fp);
memcpy(FileExt, statename+filename_len-3, 3);
memcpy(statename+filename_len-3, "zm", 2);
if (!isdigit(statename[filename_len-1]))
{
statename[filename_len-1] = 'v';
}
if ((gzp = gzopen(statename, "wb9")))
{
rewind(zmv_vars.fp);
zmv_header_write(&zmv_vars.header, zmv_vars.fp);
rewind(zmv_vars.fp);
while (!feof(zmv_vars.fp))
{
size_t amount_read = fread(zmv_vars.write_buffer, 1, WRITE_BUFFER_SIZE, zmv_vars.fp);
gzwrite(gzp, zmv_vars.write_buffer, amount_read);
}
gzclose(gzp);
memcpy(statename+filename_len-3, "mz", 2);
if (!isdigit(statename[filename_len-1]))
{
statename[filename_len-1] = 'i';
}
if ((fp = fopen(statename,"wb")))
{
fwrite4(zmv_open_vars.frames_replayed, fp);
write_last_joy_state(fp);
fwrite4(rewind_point, fp);
fclose(fp);
mzt_saved = true;
}
fseek(zmv_vars.fp, rewind_point, SEEK_SET);
}
memcpy(statename+filename_len-3, FileExt, 3);
}
chdir("..");
}
return(mzt_saved);
}
bool mzt_load(char *statename, bool playback)
{
size_t filename_len = strlen(zmv_vars.filename);
bool mzt_saved = false;
memcpy(zmv_vars.filename+filename_len-3, "mz", 2);
if (!isdigit(zmv_vars.filename[filename_len-1]))
{
zmv_vars.filename[filename_len-1] = 't';
}
if (!chdir(zmv_vars.filename))
{
FILE *fp = 0;
if ((fp = fopen(statename,"rb")))
{
char FileExt[3];
zst_load(fp);
fclose(fp);
memcpy(FileExt, statename+filename_len-3, 3);
memcpy(statename+filename_len-3, "mz", 2);
if (!isdigit(statename[filename_len-1]))
{
statename[filename_len-1] = 'i';
}
if ((fp = fopen(statename,"rb")))
{
size_t rewind_point;
size_t current_frame = fread4(fp);
read_last_joy_state(fp);
rewind_point = fread4(fp);
fclose(fp);
if (!playback)
{
gzFile gzp = 0;
memcpy(statename+filename_len-3, "zm", 2);
if (!isdigit(statename[filename_len-1]))
{
statename[filename_len-1] = 'v';
}
if ((gzp = gzopen(statename, "rb")))
{
size_t rerecords = zmv_vars.header.rerecords+1;
size_t removed_frames = zmv_vars.header.removed_frames + (zmv_vars.header.frames - current_frame);
size_t end_zmv_loc = 0;
internal_chapter_free_chain(zmv_vars.internal_chapters.next);
memset(&zmv_vars.internal_chapters, 0, sizeof(struct internal_chapter_buf));
rewind(zmv_vars.fp);
while (!gzeof(gzp))
{
size_t amount_read = gzread(gzp, zmv_vars.write_buffer, WRITE_BUFFER_SIZE);
fwrite(zmv_vars.write_buffer, 1, amount_read, zmv_vars.fp);
}
gzclose(gzp);
end_zmv_loc = ftell(zmv_vars.fp);
rewind(zmv_vars.fp);
zmv_header_read(&zmv_vars.header, zmv_vars.fp);
zmv_vars.header.removed_frames = removed_frames;
zmv_vars.header.rerecords = rerecords;
zmv_vars.write_buffer_loc = 0;
fseek(zmv_vars.fp, -(end_zmv_loc - zmv_vars.header.internal_chapters*4), SEEK_END);
internal_chapter_read(&zmv_vars.internal_chapters, zmv_vars.fp, zmv_vars.header.internal_chapters);
}
}
else
{
zmv_open_vars.frames_replayed = current_frame;
}
fseek(zmv_vars.fp, rewind_point, SEEK_SET);
mzt_saved = true;
}
memcpy(statename+filename_len-3, FileExt, 3);
}
chdir("..");
}
return(mzt_saved);
}
/////////////////////////////////////////////////////////
/*
Nach's insane subtitle library for movies files :)
@@ -1128,8 +1319,8 @@ void MoviePlay()
if (!MovieProcessing)
{
GUIQuit = 2;
memcpy (FileExt, &fnamest[statefileloc-3], 4);
memcpy (&fnamest[statefileloc-3], ".zmv", 4);
memcpy(FileExt, &fnamest[statefileloc-3], 4);
memcpy(&fnamest[statefileloc-3], ".zmv", 4);
fnamest[statefileloc] = CMovieExt;
SRAMChdir();