+++ /dev/null
-/* combine.c
- Implements combine(), which merges two swfs in memory.
-
- Part of the swftools package.
-
- Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
-
- This file is distributed under the GPL, see file COPYING for details */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <memory.h>
-#include "../lib/log.h"
-#include "../lib/rfxswf.h"
-#include "./flash.h"
-#include "./reloc.h"
-#include "./settings.h"
-
-static char* slavename = 0;
-static int slaveid = -1;
-static int slaveframe = -1;
-
-static char* tag_placeobject2_name (struct swf_tag* tag)
-{
- struct PlaceObject2 plo2;
- placeobject2_init (&plo2, tag);
- return plo2.name;
-}
-
-static u16 tag_placeobject2_character (struct swf_tag* tag)
-{
- struct PlaceObject2 plo2;
- placeobject2_init (&plo2, tag);
- return plo2.id;
-}
-
-static struct swffile master;
-static struct swffile slave;
-
-static int masterids[65536];
-
-static int get_free_id()
-{
- int t;
- for (t=1;t<65536;t++)
- {
- if(masterids[t] == -1)
- {
- masterids[t] = 1;
- return t;
- }
- }
- return -1;
-}
-
-void changedepth(struct swf_tag*tag, int add)
-{
- /* fucking big endian byte order */
- if(tag->id == TAGID_PLACEOBJECT)
- PUT16(&tag->data[2],GET16(&tag->data[2])+add);
- if(tag->id == TAGID_PLACEOBJECT2)
- PUT16(&tag->data[1],GET16(&tag->data[1])+add);
- if(tag->id == TAGID_REMOVEOBJECT)
- PUT16(&tag->data[2],GET16(&tag->data[2])+add);
- if(tag->id == TAGID_REMOVEOBJECT2)
- PUT16(&tag->data[0],GET16(&tag->data[0])+add);
-}
-
-void jpeg_assert()
-{
- /* TODO: if there's a jpegtable found, store it
- and handle it together with the flash file
- headers */
- /* check that master and slave don't have both
- jpegtables (which would be fatal) */
- int pos;
- int mpos=-1, spos=-1;
- pos = 0;
- while(master.tags[pos].id != 0)
- {
- if(master.tags[pos].id == TAGID_JPEGTABLES)
- mpos = pos;
- pos++;
- }
- pos = 0;
- while(slave.tags[pos].id != 0)
- {
- if(slave.tags[pos].id == TAGID_JPEGTABLES)
- spos = pos;
- pos++;
- }
- if(spos>=0 && mpos>=0)
- {
- if(slave.tags[pos].length ==
- master.tags[pos].length &&
- !memcmp(slave.tags[pos].data, master.tags[pos].data,
- master.tags[pos].length))
- {
- // ok, both have jpegtables, but they're identical.
- // delete one and don't make an error
- for(;spos<slave.tagnum-1;spos++)
- slave.tags[spos] =
- slave.tags[spos+1];
- spos = -1;
- }
- }
- if(spos>=0 && mpos>=0) {
- logf("<error> Master and slave have incompatible JPEGTABLES.");
- }
-}
-
-/* applies the config move and scale parameters to
- * a matrix. (If settings would provide a rotation,
- * this would be a matrix concatenation/multiplication
- * routine. In this case, it's just element-wise multiplication.
- */
-void matrix_adjust(struct MATRIX*m)
-{
- if(config.scalex != 1 || config.scaley != 1)
- {
- if(!m->hasscale) {
- m->hasscale = 1;
- m->a[0][0] = config.scalex;
- m->a[1][1] = config.scaley;
- } else {
- m->a[0][0] *= config.scalex;
- m->a[1][1] *= config.scaley;
- }
- if(m->hasrotate) {
- m->a[0][1] *= config.scalex;
- m->a[1][0] *= config.scaley;
- }
- m->b[0] *= config.scalex;
- m->b[1] *= config.scaley;
- }
-/* printf("hasscale: %d\n",m->hasscale);
- printf("hasrotate: %d\n", m->hasrotate);
- printf("move: %d %d\n", m->b[0],m->b[1]);
- printf("rot: %f %f\n",m->a[0][0],m->a[0][1]);
- printf(" %f %f\n",m->a[1][0],m->a[1][1]);*/
- m->b[0] += config.movex;
- m->b[1] += config.movey;
-}
-
-void write_changepos(struct swf_tag*tag, struct writer_t*w)
-{
- if(config.movex || config.movey || config.scalex != 1 || config.scaley != 1)
- {
- switch(tag->id)
- {
- case TAGID_PLACEOBJECT: {
- struct PlaceObject p;
- placeobject_init(&p, tag);
- matrix_adjust(&p.matrix);
- placeobject_write(&p, w);
- break;
- }
- case TAGID_PLACEOBJECT2: {
- struct PlaceObject2 p;
- placeobject2_init(&p, tag);
- if(!p.hasmatrix) {
- p.hasmatrix = 1;
- MATRIX_init(&p.matrix);
- }
- matrix_adjust(&p.matrix);
- placeobject2_write(&p, w);
- break;
- }
- default:
- writer_write(w, tag->fulldata, tag->fulllength);
- }
- }
- else
- {
- writer_write(w, tag->fulldata, tag->fulllength);
- }
-}
-
-void write_sprite_defines(struct writer_t*w)
-{
- int pos = 0;
- while(slave.tags[pos].id != 0) {
- struct swf_tag * tag = &slave.tags[pos];
- if(!is_sprite_tag(tag->id)) {
- logf("<debug> processing sprite tag %02x", slave.tags[pos].id);
- if(is_defining_tag(tag->id))
- {
- logf("<debug> [sprite defs] write tag %02x (%d bytes in body)",
- tag->id, tag->length);
- writer_write(w, tag->fulldata, tag->fulllength);
- }
- else
- {
- switch(tag->id)
- {case TAGID_DEFINEFONTINFO:
- {
- /* define font info is not a defining tag, in that
- * it doesn't define a new id, but rather extends
- * an existing one. It also isn't a sprite tag.
- * Anyway we can't throw it out, so we just pass it
- * through.
- */
- writer_write(w, tag->fulldata, tag->fulllength);
- break;
- }
- case TAGID_JPEGTABLES:
- /* if we get here, jpeg_assert has already run,
- ensuring this is the only one of it's kind,
- so we may safely write it out */
- writer_write(w, tag->fulldata, tag->fulllength);
- break;
- case TAGID_EXPORTASSETS:
- logf("<debug> deliberately ignoring EXPORTASSETS tag");
- break;
- case TAGID_ENABLEDEBUGGER:
- logf("<debug> deliberately ignoring ENABLEDEBUGGER tag");
- break;
- case TAGID_BACKGROUNDCOLOR:
- logf("<debug> deliberately ignoring BACKGROUNDCOLOR tag");
- break;
- case 40:
- case 49:
- case 51:
- logf("<notice> found tag %d. This is a Generator template, isn't it?", slave.tags[pos].id);
- break;
- default:
- logf("<notice> funny tag: %d is neither defining nor sprite", slave.tags[pos].id);
- }
- }
- }
- pos++;
- }
-}
-
-void write_sprite(struct writer_t*w, int spriteid, int replaceddefine)
-{
- u16 tmp;
- u32 tmp32;
- u32*tagidpos;
- u8*startpos;
- int pos = 0;
- // write slave(2) (header)
- tmp = SWAP16(0x3f + (TAGID_DEFINESPRITE << 6));
- writer_write(w, &tmp, 2);
- tagidpos = (u32*)writer_getpos(w);
- writer_write(w, &tmp32, 4);
-
- startpos = (u8*)writer_getpos(w);
-
- logf ("<notice> sprite id is %d", spriteid);
- tmp = SWAP16(spriteid);
- writer_write(w, &tmp, 2);
- tmp = SWAP16(slave.header.count);
- writer_write(w, &tmp, 2);
-
-
- // write slave(2) (body)
- tmp = slave.header.count;
- logf("<debug> %d frames to go",tmp);
-
- if(config.clip) {
- tmp = SWAP16(7 + (TAGID_PLACEOBJECT2 << 6));
- writer_write(w, &tmp, 2);
- tmp = SWAP16(2+64); //flags: character + clipaction
- writer_write(w, &tmp, 1);
- tmp = SWAP16(0); //depth
- writer_write(w, &tmp,2);
- tmp = SWAP16(replaceddefine); //id
- writer_write(w, &tmp,2);
- tmp = SWAP16(65535); //clipdepth
- writer_write(w, &tmp,2);
- }
-
- if(config.overlay && !config.isframe) {
- tmp = SWAP16(5 + (TAGID_PLACEOBJECT2 << 6));
- writer_write(w, &tmp, 2);
- tmp = SWAP16(2); //flags: character
- writer_write(w, &tmp, 1);
- tmp = SWAP16(0); //depth
- writer_write(w, &tmp,2);
- tmp = SWAP16(replaceddefine); //id
- writer_write(w, &tmp,2);
- }
-
- do {
- struct swf_tag * tag = &slave.tags[pos];
- if (is_sprite_tag(tag->id)) {
-
- changedepth(tag, +1);
- logf("<debug> [sprite main] write tag %02x (%d bytes in body)",
- slave.tags[pos].id, slave.tags[pos].length);
- write_changepos(tag, w);
-
- if(tag->id == TAGID_SHOWFRAME)
- {
- tmp--;
- logf("<debug> %d frames to go",tmp);
- }
- }
- }
- while(slave.tags[pos++].id != TAGID_END);
-
- PUT32(tagidpos, (u8*)writer_getpos(w) - startpos); // set length of sprite (in header)
- logf("<verbose> sprite length is %d",GET32(tagidpos));
-}
-
-static char tag_ok_for_slave(int id)
-{
- if(id == TAGID_BACKGROUNDCOLOR)
- return 0;
- return 1;
-}
-
-#define FLAGS_WRITEDEFINES 1
-#define FLAGS_WRITENONDEFINES 2
-#define FLAGS_WRITESPRITE 4
-#define FLAGS_WRITESLAVE 8
-void write_master(struct writer_t*w, int spriteid, int replaceddefine, int flags)
-{
- int pos = 0;
- int spos = 0;
- int outputslave = 0;
- int frame = 0;
- int sframe = 0;
- int slavewritten = 0;
- while(master.tags[pos].id != 0)
- {
- if(master.tags[pos].id == TAGID_SHOWFRAME && outputslave)
- {
- while(slave.tags[spos].id) {
- if(slave.tags[spos].id == TAGID_SHOWFRAME) {
- spos++;
- sframe++;
- break;
- }
- if(tag_ok_for_slave(slave.tags[spos].id))
- writer_write(w, slave.tags[spos].fulldata, slave.tags[spos].fulllength);
- spos++;
- }
- frame ++;
- }
-
- if(is_defining_tag(master.tags[pos].id) && (flags&FLAGS_WRITEDEFINES))
- {
- logf("<debug> [master] write tag %02x (%d bytes in body)",
- master.tags[pos].id, master.tags[pos].length);
- if(getidfromtag(&master.tags[pos]) == spriteid && !config.isframe)
- {
- if(config.overlay)
- {
- PUT16(master.tags[pos].data, replaceddefine);
- writer_write(w, master.tags[pos].fulldata, master.tags[pos].fulllength);
- } else {
- /* don't write this tag */
- logf("<verbose> replacing tag %d id %d with sprite", master.tags[pos].id
- ,spriteid);
- }
-
- if(flags&FLAGS_WRITESPRITE)
- {
- write_sprite_defines(w);
- write_sprite(w, spriteid, replaceddefine);
- }
- if(flags&FLAGS_WRITESLAVE)
- {
- outputslave = 1;
- }
- } else {
- writer_write(w, master.tags[pos].fulldata, master.tags[pos].fulllength);
- }
- }
- if(frame == slaveframe)
- {
- if(flags&FLAGS_WRITESLAVE) {
- outputslave = 1;
- slavewritten = 1;
- }
- if((flags&FLAGS_WRITESPRITE) && !slavewritten)
- {
- int id = get_free_id();
- int depth = 0;
- char data[7];
- if(config.clip) {
- logf("<fatal> Can't combine --clip and --frame");
- }
- PUT16(&data[0], (u16)(TAGID_PLACEOBJECT2<<6) + 5);
- *(u8*)&data[2]= 2; //flags: id
- PUT16(&data[3], depth);
- PUT16(&data[5], id);
- write_sprite_defines(w);
- write_sprite(w, id, -1);
- writer_write(w,data,7);
- slavewritten = 1;
- }
- }
- if(!is_defining_tag(master.tags[pos].id) && (flags&FLAGS_WRITENONDEFINES))
- {
- int dontwrite = 0;
- switch(master.tags[pos].id) {
- case TAGID_PLACEOBJECT:
- case TAGID_PLACEOBJECT2:
- if(frame == slaveframe && !config.overlay)
- dontwrite = 1;
- case TAGID_REMOVEOBJECT:
-// case TAGID_REMOVEOBJECT2:
- /* place/removetags for the object we replaced
- should be discarded, too, as the object to insert
- isn't a sprite
- */
- if(spriteid>=0 && getidfromtag(&master.tags[pos]) == spriteid &&
- !config.isframe && config.merge)
- dontwrite = 1;
- break;
- }
- if(!dontwrite) {
- logf("<debug> [master] write tag %02x (%d bytes in body)",
- master.tags[pos].id, master.tags[pos].length);
- writer_write(w, master.tags[pos].fulldata, master.tags[pos].fulllength);
- }
- }
- pos++;
- }
-
- if(outputslave)
- while(slave.tags[spos].id)
- {
- if(tag_ok_for_slave(slave.tags[spos].id))
- writer_write(w, slave.tags[spos].fulldata, slave.tags[spos].fulllength);
- spos++;
- }
- if(!slavewritten && config.isframe && (flags&(FLAGS_WRITESLAVE|FLAGS_WRITESPRITE)))
- {
- logf("<warning> Frame %d doesn't exist in file. No substitution will occur",
- slaveframe);
- }
- //write END tag:
- writer_write(w, master.tags[pos].fulldata, master.tags[pos].fulllength);
-}
-
-void writeheader(struct writer_t*w, u8*data, int length)
-{
- if(config.hassizex || config.hassizey || config.framerate)
- {
- struct flash_header head;
- struct reader_t reader;
- swf_init(&reader, data-3, length+3);
- head = swf_read_header(&reader);
- if(config.hassizex)
- {
- head.boundingBox.x2 = head.boundingBox.x1 + config.sizex;
- }
- if(config.hassizey)
- {
- head.boundingBox.y2 = head.boundingBox.y1 + config.sizey;
- }
- if(config.framerate)
- {
- head.rate = config.framerate;
- }
- swf_write_header(w, &head);
- }
- else
- writer_write(w, data, length);
-}
-
-uchar * catcombine(uchar*masterdata, int masterlength, char*_slavename, uchar*slavedata, int slavelength, int*newlength)
-{
- struct writer_t w;
- u32*headlength;
- u32 tmp32;
- int length = masterlength*2 + slavelength;
- int pos = 0;
- int t;
- char* depths;
- uchar*newdata = malloc(length);
- if(!newdata) {
- logf("<fatal> Couldn't allocate %d bytes of memory", length);
- return 0;
- }
- if(config.isframe) {
- logf("<fatal> Can't combine --cat and --frame");
- exit(1);
- }
- writer_init(&w, newdata, length);
-
- do {
- int tag = master.tags[pos].id;
- if(is_defining_tag(tag)) {
- int defineid = getidfromtag(&master.tags[pos]);
- logf("<debug> tagid %02x defines object %d", tag, defineid);
- masterids[defineid] = 1;
- }
- }
- while(master.tags[pos++].id != 0);
-
- swf_relocate (slavedata, slavelength, masterids);
- read_swf(&slave, slavedata, slavelength);
- jpeg_assert();
-
- writer_write(&w, "FWS",3);
- headlength = (u32*)(writer_getpos(&w) + 1);
- writeheader(&w, master.header.headerdata, master.header.headerlength);
-
- depths = malloc(65536);
- if(!depths) {
- logf("<fatal> Couldn't allocate %d bytes of memory", 65536);
- return 0;
- }
- memset(depths, 0, 65536);
- pos = 0;
- do {
- int num=1;
- u16 depth;
- logf("<debug> [master] write tag %02x (%d bytes in body)",
- master.tags[pos].id, master.tags[pos].length);
- switch(master.tags[pos].id) {
- case TAGID_PLACEOBJECT2:
- num++;
- case TAGID_PLACEOBJECT: {
- struct reader_t r;
- reader_init (&r, master.tags[pos].data, master.tags[pos].length);
- if(num>=2)
- reader_readu8(&r);
- depth = reader_readu16(&r);
- depths[depth] = 1;
- }
- break;
- case TAGID_REMOVEOBJECT: {
- struct reader_t r;
- reader_init (&r, master.tags[pos].data, master.tags[pos].length);
- reader_readu16(&r);
- depths[reader_readu16(&r)] = 0;
- }
- break;
- case TAGID_REMOVEOBJECT2: {
- struct reader_t r;
- reader_init (&r, master.tags[pos].data, master.tags[pos].length);
- depths[reader_readu16(&r)] = 0;
- }
- break;
- }
- if(master.tags[pos].id != 0)
- writer_write(&w, master.tags[pos].fulldata, master.tags[pos].fulllength);
- }
- while(master.tags[pos++].id != 0);
-
- for(t=0;t<65536;t++)
- if(depths[t])
- {
- char data[16];
- int len;
- PUT16(&data[0], (TAGID_REMOVEOBJECT2<<6) + 2);
- PUT16(&data[2], t);
- writer_write(&w, data, 4);
- }
- free(depths);
-
- pos = 0;
- do {
- logf("<debug> [slave] write tag %02x (%d bytes in body)",
- slave.tags[pos].id, slave.tags[pos].length);
- writer_write(&w, slave.tags[pos].fulldata, slave.tags[pos].fulllength);
- }
- while(slave.tags[pos++].id != 0);
-
- tmp32 = (u8*)writer_getpos(&w) - (u8*)newdata; //length
- *newlength = tmp32;
- PUT32(headlength, tmp32); // set the header to the correct length
-
- return newdata; //length
-}
-
-uchar * normalcombine(uchar*masterdata, int masterlength, char*_slavename, uchar*slavedata, int slavelength, int*newlength)
-{
- int length;
- int pos=0;
- u32 tmp32;
- u32*headlength;
- uchar*newdata;
- int spriteid = -1;
- int replaceddefine = -1;
- struct writer_t w;
- int frame = 0;
- char*framelabel;
-
- length = masterlength + slavelength*2 + 128; // this is a guess, but a good guess.
- newdata = malloc(length);
- writer_init(&w, newdata, length);
-
- if(!newdata) {
- logf("<fatal> Couldn't allocate %d bytes of memory", length);
- return 0;
- }
-
- // set the idtab
- pos = 0;
- do {
- int tag = master.tags[pos].id;
- if(is_defining_tag(tag)) {
- int defineid = getidfromtag(&master.tags[pos]);
- logf("<debug> tagid %02x defines object %d", tag, defineid);
- masterids[defineid] = 1;
- } else if(tag == TAGID_PLACEOBJECT2) {
- char * name = tag_placeobject2_name(&master.tags[pos]);
- int id = tag_placeobject2_character(&master.tags[pos]);
-
- if(name)
- logf("<verbose> tagid %02x places object %d named \"%s\"", tag, id, name);
- else
- logf("<verbose> tagid %02x places object %d (no name)", tag, id);
-
- if ((name && slavename && !strcmp(name,slavename)) ||
- (!slavename && id==slaveid)) {
- if(id>=0) {
- spriteid = id;
- logf("<notice> Slave file attached to object %d.", id);
- }
- }
- } else if(tag == TAGID_SHOWFRAME) {
- if(slaveframe>=0 && frame==slaveframe) {
- logf("<notice> Slave file attached to frame %d.", frame);
- }
- frame++;
- } else if(tag == TAGID_FRAMELABEL) {
- char * name = master.tags[pos].data;
- if(name && slavename && config.isframe && !strcmp(name, slavename)) {
- slaveframe = frame;
- logf("<notice> Slave file attached to frame %d (%s).", frame, name);
- }
- }
- }
- while(master.tags[pos++].id != 0);
-
- if (spriteid<0 && !config.isframe) {
- if(slavename) {
- if(strcmp(slavename,"!!dummy!!"))
- logf("<warning> Didn't find anything named %s in file. No substitutions will occur.", slavename);
- }
- else
- logf("<warning> Didn't find id %d in file. No substitutions will occur.", slaveid);
- spriteid = get_free_id();
- }
-
- swf_relocate (slavedata, slavelength, masterids);
- read_swf(&slave, slavedata, slavelength);
- jpeg_assert();
-
- if (config.overlay)
- replaceddefine = get_free_id();
-
- // write file
-
- writer_write(&w, "FWS",3);
- headlength = (u32*)(writer_getpos(&w) + 1);
- writeheader(&w, master.header.headerdata, master.header.headerlength);
-
- if (config.antistream) {
- if (config.merge) {
- logf("<fatal> Can't combine --antistream and --merge");
- }
- write_sprite_defines(&w);
- write_sprite(&w, spriteid, replaceddefine);
- write_master(&w, spriteid, replaceddefine, FLAGS_WRITEDEFINES);
- write_master(&w, spriteid, replaceddefine, FLAGS_WRITENONDEFINES);
- } else {
- if (config.merge)
- write_master(&w, spriteid, replaceddefine,
- FLAGS_WRITEDEFINES|FLAGS_WRITENONDEFINES|FLAGS_WRITESLAVE);
- else
- write_master(&w, spriteid, replaceddefine,
- FLAGS_WRITEDEFINES|FLAGS_WRITENONDEFINES|FLAGS_WRITESPRITE);
- }
-
- tmp32 = (u8*)writer_getpos(&w) - (u8*)newdata; //length
- *newlength = tmp32;
- PUT32(headlength, tmp32);
-
- return newdata; //length
-}
-
-uchar * combine(uchar*masterdata, int masterlength, char*_slavename, uchar*slavedata, int slavelength, int*newlength)
-{
- char master_flash = 0;
- char slave_flash = 0;
- slavename = _slavename;
-
- slaveid = -1;
- slaveframe = -1;
-
- if(slavename[0] == '#')
- {
- slaveid = atoi(&slavename[1]);
- slavename = 0;
- }
- if(config.isframe)
- {
- slaveframe = slaveid;
- slaveid = -1;
- }
-
- logf("<debug> move x (%d)", config.movex);
- logf("<debug> move y (%d)", config.movey);
- logf("<debug> scale x (%f)", config.scalex);
- logf("<debug> scale y (%f)", config.scaley);
- logf("<debug> is frame (%d)", config.isframe);
-
- memset(masterids, -1, sizeof(masterids));
-
- if(masterlength < 3)
- {
- logf("<fatal> the master file is too small (%d bytes)", masterlength);
- return 0;
- }
- if(slavelength < 3)
- {
- logf("<fatal> the slave file is too small (%d bytes)", slavelength);
- return 0;
- }
- if(masterdata[2] == 'S' &&
- masterdata[1] == 'W' &&
- masterdata[0] == 'F')
- {
- logf("<notice> the master file is flash (swf) format\n");
- master_flash = 1;
- }
- else
- logf("<notice> the master file is not flash (swf) format!\n");
-
- if(slavedata[2] == 'S' &&
- slavedata[1] == 'W' &&
- slavedata[0] == 'F')
- {
- logf("<notice> the slave file is flash (swf) format\n");
- slave_flash = 1;
- }
- else
- logf("<notice> the slave file is not flash (swf) format!\n");
-
- if(master_flash && slave_flash) {
- read_swf(&master, masterdata, masterlength);
- if(config.cat)
- return catcombine(masterdata, masterlength, _slavename, slavedata, slavelength, newlength);
- else
- return normalcombine(masterdata, masterlength, _slavename, slavedata, slavelength, newlength);
- }
-
- *newlength = 0;
- return 0;
-}
git.asbjorn.biz / swftools.git / blobdiff