Section pilot::BinaryFileHandler::nextSection() {
Assertion(!_in_array, "nextSection() may not be called in an array!");
if (_section_start_pos != INVALID_SIZE && _section_end_pos != INVALID_SIZE) {
cf_set_max_read_len(_cfp, 0);
// There was a previous section
auto current = (size_t)cftell(_cfp);
if (current != _section_end_pos) {
mprintf(("PLR => WARNING: Advancing to the next section. " SIZE_T_ARG " bytes were skipped!\n", _section_end_pos - current));
cfseek(_cfp, (int)_section_end_pos, CF_SEEK_SET);
}
_section_start_pos = INVALID_SIZE;
_section_end_pos = INVALID_SIZE;
}
auto section_id = cfread_ushort(_cfp);
auto size = cfread_uint(_cfp);
if (size == 0) {
return Section::Invalid;
}
_section_start_pos = (size_t)cftell(_cfp);
_section_end_pos = _section_start_pos + size;
cf_set_max_read_len(_cfp, size);
return static_cast<Section>(section_id);
}
void pilot::BinaryFileHandler::endSectionWrite() {
Assertion(!_sectionOffsets.empty(), "No active section!");
auto previous_off = _sectionOffsets.back();
_sectionOffsets.pop_back();
if (previous_off.id == Section::Unnamed) {
// ignore unnamed sections, these are only needed for JSON
return;
}
size_t cur = (size_t) cftell(_cfp);
Assert(cur >= previous_off.offset);
size_t section_size = cur - previous_off.offset;
if (section_size) {
// go back to section size in file and write proper value
cfseek(_cfp, (int) (cur - section_size - sizeof(int)), CF_SEEK_SET);
cfwrite_int((int) section_size, _cfp);
// go back to previous location for next section
cfseek(_cfp, (int) cur, CF_SEEK_SET);
}
}
/*
* @brief get next apng frame
*/
void apng_ani::next_frame()
{
_reading = false;
// setup new frame (if frame doesn't already exist)
// always do if not caching
// don't do if caching & already have frame
if (_cache == false || (_frames.size() <= current_frame)) {
if (current_frame > 0) {
if (_dispose_op == 1) {
// clear previous frame region of output buffer to fully transparent black
for (uint row = 0; row < _frameh; ++row) {
memset(&frame.data.at((_y_offset+row) * _row_len + _x_offset * 4), 0, _framew * 4);
}
}
else if (_dispose_op == 2) {
// revert previous frames region of output buffer to previous contents
for (uint row = 0; row < _frameh; ++row) {
uint pos = (_y_offset+row) * _row_len + _x_offset * 4;
memcpy(&frame.data.at(pos), &_frame_next.data.at(pos), _framew * 4);
}
}
// default is to do nothing with output buffer
}
while (cftell(_cfp) < _frame_offsets.at(current_frame+1)) {
_process_chunk();
}
nprintf(("apng", "apng next_frame; new (%03i/%03u/%03i) (%u) (%u) %03u|%03u %03u|%03u (%02u) (%04f)\n",
current_frame, static_cast<uint>(_frames.size()), nframes, _dispose_op, _blend_op,
_framew, _x_offset, _frameh, _y_offset,
static_cast<uint>(_frame_offsets.size()), frame.delay));
if (_got_IDAT && _processing_finish()) {
_apng_failed("couldn't finish fdat apng frame");
}
if (_dispose_op == 2) {
// revert to previous; so save the current frame region for later
for (uint row = 0; row < _frameh; ++row) {
uint pos = (_y_offset+row) * _row_len + _x_offset * 4;
memcpy(&_frame_next.data.at(pos), &frame.data.at(pos), _framew * 4);
}
}
_compose_frame();
if (_cache == true) _frames.push_back(frame);
}
else {
if (current_frame < nframes) {
nprintf(("apng", "apng next_frame; used old (%03i/%03u)\n", current_frame, static_cast<uint>(_frames.size())));
frame = _frames.at(current_frame);
}
}
++current_frame;
}
// given a valid XSTR() id#, lookup the string in tstrings.tbl, filling in out if found, nonzero on success
int lcl_ext_lookup(char *out, int id)
{
char text[1024];
int ret;
int pointer;
Assert(Lcl_pointer_count >= 0);
Assert(Lcl_pointers[0] >= 0);
Assert(Lcl_pointers[Lcl_pointer_count - 1] >= 0);
Assert(Lcl_ext_file != NULL);
Assert(id >= 0);
// seek to the closest pointer <= the id# we're looking for
pointer = id / LCL_GRANULARITY;
cfseek(Lcl_ext_file, Lcl_pointers[pointer], CF_SEEK_SET);
// reset parsing vars and go to town
Ts_current_state = TS_SCANNING;
Ts_id_text_size = 0;
Ts_text_size;
memset(Ts_text, 0, PARSE_TEXT_STRING_LEN);
memset(Ts_id_text, 0, PARSE_ID_STRING_LEN);
while((cftell(Lcl_ext_file) < Lcl_pointers[Lcl_pointer_count - 1]) && cfgets(text, 1024, Lcl_ext_file)){
ret = lcl_ext_lookup_sub(text, out, id);
// run the line parse function
switch(ret & 0x0fffffff){
// error
case 0 :
Int3(); // should never get here - it means the string doens't exist in the table!!
return 0;
// success parsing the line - please continue
case 1 :
break;
// found a matching string/id pair
case 2 :
// success
if (Lcl_gr) {
// this is because tstrings.tbl reads in as ANSI for some reason
// opening tstrings with "rb" mode didnt seem to help, so its now still "rt" like before
lcl_fix_umlauts(out, LCL_TO_ASCII);
}
return 1;
// end of language found
case 3 :
Int3(); // should never get here - it means the string doens't exist in the table!!
return 0;
}
}
Int3(); // should never get here - it means the string doens't exist in the table!!
return 0;
}
void pilot::BinaryFileHandler::startSectionWrite(Section id) {
if (id == Section::Unnamed) {
_sectionOffsets.push_back({id, 0});
return;
}
cfwrite_ushort((ushort) id, _cfp);
// to be updated when endSection() is called
cfwrite_int(0, _cfp);
// starting offset, for size of section
_sectionOffsets.push_back({id, (size_t)cftell(_cfp)});
}
void pilotfile::startSection(Section::id section_id)
{
Assert( cfp );
const int zero = 0;
cfwrite_ushort( (ushort)section_id, cfp );
// to be updated when endSection() is called
cfwrite_int(zero, cfp);
// starting offset, for size of section
m_size_offset = cftell(cfp);
}
unsigned int apng_ani::_read_chunk(_chunk_s& chunk)
{
_offset = cftell(_cfp);
if (cfread(&chunk.data[0], 4, 1, _cfp) == 1) {
chunk.size = png_get_uint_32(&chunk.data[0]) + 12;
// reduce the amount of vector resizing
if (chunk.size > _max_chunk_size) {
_max_chunk_size = chunk.size;
chunk.data.resize(chunk.size);
}
if (cfread(&chunk.data[4], chunk.size-4, 1, _cfp) == 1) {
return *(uint*)(&chunk.data[4]);
}
}
return 0;
}
void pilotfile::endSection()
{
Assert( cfp );
Assert( m_size_offset > 0 );
size_t cur = cftell(cfp);
Assert( cur >= m_size_offset );
size_t section_size = cur - m_size_offset;
if (section_size) {
// go back to section size in file and write proper value
cfseek(cfp, cur - section_size - sizeof(int), CF_SEEK_SET);
cfwrite_int((int)section_size, cfp);
// go back to previous location for next section
cfseek(cfp, cur, CF_SEEK_SET);
}
}
bool pilotfile::load_player(const char *callsign, player *_p)
{
// if we're a standalone server in multiplayer, just fill in some bogus values
// since we don't have a pilot file
if ( (Game_mode & GM_MULTIPLAYER) && (Game_mode & GM_STANDALONE_SERVER) ) {
Player->insignia_texture = -1;
strcpy_s(Player->callsign, NOX("Standalone"));
strcpy_s(Player->short_callsign, NOX("Standalone"));
return true;
}
// set player ptr first thing
p = _p;
if ( !p ) {
Assert( (Player_num >= 0) && (Player_num < MAX_PLAYERS) );
p = &Players[Player_num];
}
filename = callsign;
filename += ".plr";
if ( filename.size() == 4 ) {
mprintf(("PLR => Invalid filename '%s'!\n", filename.c_str()));
return false;
}
cfp = cfopen((char*)filename.c_str(), "rb", CFILE_NORMAL, CF_TYPE_PLAYERS);
if ( !cfp ) {
mprintf(("PLR => Unable to open '%s' for reading!\n", filename.c_str()));
return false;
}
unsigned int plr_id = cfread_uint(cfp);
if (plr_id != PLR_FILE_ID) {
mprintf(("PLR => Invalid header id for '%s'!\n", filename.c_str()));
plr_close();
return false;
}
// version, should be able to just ignore it
version = cfread_ubyte(cfp);
mprintf(("PLR => Loading '%s' with version %d...\n", filename.c_str(), version));
plr_reset_data();
// the point of all this: read in the PLR contents
while ( !cfeof(cfp) ) {
ushort section_id = cfread_ushort(cfp);
uint section_size = cfread_uint(cfp);
size_t start_pos = cftell(cfp);
// safety, to help protect against long reads
cf_set_max_read_len(cfp, section_size);
try {
switch (section_id) {
case Section::Flags:
mprintf(("PLR => Parsing: Flags...\n"));
m_have_flags = true;
plr_read_flags();
break;
case Section::Info:
mprintf(("PLR => Parsing: Info...\n"));
m_have_info = true;
plr_read_info();
break;
case Section::Variables:
mprintf(("PLR => Parsing: Variables...\n"));
plr_read_variables();
break;
case Section::HUD:
mprintf(("PLR => Parsing: HUD...\n"));
plr_read_hud();
break;
case Section::Scoring:
mprintf(("PLR => Parsing: Scoring...\n"));
plr_read_stats();
break;
case Section::ScoringMulti:
mprintf(("PLR => Parsing: ScoringMulti...\n"));
plr_read_stats_multi();
break;
case Section::Multiplayer:
mprintf(("PLR => Parsing: Multiplayer...\n"));
plr_read_multiplayer();
break;
case Section::Controls:
mprintf(("PLR => Parsing: Controls...\n"));
plr_read_controls();
break;
case Section::Settings:
mprintf(("PLR => Parsing: Settings...\n"));
plr_read_settings();
break;
default:
mprintf(("PLR => Skipping unknown section 0x%04x!\n", section_id));
break;
}
} catch (cfile::max_read_length &msg) {
// read to max section size, move to next section, discarding
// extra/unknown data
mprintf(("PLR => (0x%04x) %s\n", section_id, msg.what()));
} catch (const char *err) {
mprintf(("PLR => ERROR: %s\n", err));
plr_close();
return false;
}
// reset safety catch
cf_set_max_read_len(cfp, 0);
// skip to next section (if not already there)
size_t offset_pos = (start_pos + section_size) - cftell(cfp);
if (offset_pos) {
cfseek(cfp, offset_pos, CF_SEEK_CUR);
}
}
// restore the callsign into the Player structure
strcpy_s(p->callsign, callsign);
// restore the truncated callsign into Player structure
pilot_set_short_callsign(p, SHORT_CALLSIGN_PIXEL_W);
player_set_squad_bitmap(p, p->m_squad_filename, true);
hud_squadmsg_save_keys();
// set last pilot
os_config_write_string(NULL, "LastPlayer", (char*)callsign);
mprintf(("PLR => Loading complete!\n"));
// cleanup and return
plr_close();
return true;
}
bool pilotfile::verify(const char *fname, int *rank)
{
player t_plr;
// set player ptr first thing
p = &t_plr;
filename = fname;
if ( filename.size() == 4 ) {
mprintf(("PLR => Invalid filename '%s'!\n", filename.c_str()));
return false;
}
cfp = cfopen((char*)filename.c_str(), "rb", CFILE_NORMAL, CF_TYPE_PLAYERS);
if ( !cfp ) {
mprintf(("PLR => Unable to open '%s'!\n", filename.c_str()));
return false;
}
unsigned int plr_id = cfread_uint(cfp);
if (plr_id != PLR_FILE_ID) {
mprintf(("PLR => Invalid header id for '%s'!\n", filename.c_str()));
plr_close();
return false;
}
// version, should be able to just ignore it
ubyte plr_ver = cfread_ubyte(cfp);
mprintf(("PLR => Verifying '%s' with version %d...\n", filename.c_str(), (int)plr_ver));
// the point of all this: read in the PLR contents
while ( !m_have_flags && !cfeof(cfp) ) {
ushort section_id = cfread_ushort(cfp);
uint section_size = cfread_uint(cfp);
size_t start_pos = cftell(cfp);
// safety, to help protect against long reads
cf_set_max_read_len(cfp, section_size);
try {
switch (section_id) {
case Section::Flags:
mprintf(("PLR => Parsing: Flags...\n"));
m_have_flags = true;
plr_read_flags();
break;
default:
break;
}
} catch (cfile::max_read_length &msg) {
// read to max section size, move to next section, discarding
// extra/unknown data
mprintf(("PLR => (0x%04x) %s\n", section_id, msg.what()));
} catch (const char *err) {
mprintf(("PLR => ERROR: %s\n", err));
plr_close();
return false;
}
// reset safety catch
cf_set_max_read_len(cfp, 0);
// skip to next section (if not already there)
size_t offset_pos = (start_pos + section_size) - cftell(cfp);
if (offset_pos) {
mprintf(("PLR => Warning: (0x%04x) Short read, information may have been lost!\n", section_id));
cfseek(cfp, offset_pos, CF_SEEK_CUR);
}
}
if (rank) {
*rank = p->stats.rank;
}
mprintf(("PLR => Verifying complete!\n"));
// cleanup and return
plr_close();
return true;
}
bool pilotfile::load_savefile(const char *campaign)
{
char base[_MAX_FNAME] = { '\0' };
std::ostringstream buf;
if (Game_mode & GM_MULTIPLAYER) {
return false;
}
if ( (campaign == NULL) || !strlen(campaign) ) {
return false;
}
// set player ptr first thing
Assert( (Player_num >= 0) && (Player_num < MAX_PLAYERS) );
p = &Players[Player_num];
// build up filename for the savefile...
_splitpath((char*)campaign, NULL, NULL, base, NULL);
buf << p->callsign << "." << base << ".csg";
filename = buf.str().c_str();
// if campaign file doesn't exist, abort so we don't load irrelevant data
buf.str(std::string());
buf << base << FS_CAMPAIGN_FILE_EXT;
if ( !cf_exists_full((char*)buf.str().c_str(), CF_TYPE_MISSIONS) ) {
mprintf(("CSG => Unable to find campaign file '%s'!\n", buf.str().c_str()));
return false;
}
// we need to reset this early, in case open fails and we need to create
m_data_invalid = false;
// open it, hopefully...
cfp = cfopen((char*)filename.c_str(), "rb", CFILE_NORMAL, CF_TYPE_PLAYERS);
if ( !cfp ) {
mprintf(("CSG => Unable to open '%s' for reading!\n", filename.c_str()));
return false;
}
unsigned int csg_id = cfread_uint(cfp);
if (csg_id != CSG_FILE_ID) {
mprintf(("CSG => Invalid header id for '%s'!\n", filename.c_str()));
csg_close();
return false;
}
// version, now used
csg_ver = cfread_ubyte(cfp);
mprintf(("CSG => Loading '%s' with version %d...\n", filename.c_str(), (int)csg_ver));
csg_reset_data();
// the point of all this: read in the CSG contents
while ( !cfeof(cfp) ) {
ushort section_id = cfread_ushort(cfp);
uint section_size = cfread_uint(cfp);
size_t start_pos = cftell(cfp);
// safety, to help protect against long reads
cf_set_max_read_len(cfp, section_size);
try {
switch (section_id) {
case Section::Flags:
mprintf(("CSG => Parsing: Flags...\n"));
m_have_flags = true;
csg_read_flags();
break;
case Section::Info:
mprintf(("CSG => Parsing: Info...\n"));
m_have_info = true;
csg_read_info();
break;
case Section::Variables:
mprintf(("CSG => Parsing: Variables...\n"));
csg_read_variables();
break;
case Section::HUD:
mprintf(("CSG => Parsing: HUD...\n"));
csg_read_hud();
break;
case Section::RedAlert:
mprintf(("CSG => Parsing: RedAlert...\n"));
csg_read_redalert();
break;
case Section::Scoring:
mprintf(("CSG => Parsing: Scoring...\n"));
csg_read_stats();
break;
case Section::Loadout:
mprintf(("CSG => Parsing: Loadout...\n"));
csg_read_loadout();
break;
case Section::Techroom:
mprintf(("CSG => Parsing: Techroom...\n"));
csg_read_techroom();
break;
case Section::Missions:
mprintf(("CSG => Parsing: Missions...\n"));
csg_read_missions();
break;
case Section::Settings:
mprintf(("CSG => Parsing: Settings...\n"));
csg_read_settings();
break;
case Section::Controls:
mprintf(("CSG => Parsing: Controls...\n"));
csg_read_controls();
break;
case Section::Cutscenes:
mprintf(("CSG => Parsing: Cutscenes...\n"));
csg_read_cutscenes();
break;
case Section::LastMissions:
mprintf(("CSG => Parsing: Last Missions...\n"));
csg_read_lastmissions();
break;
default:
mprintf(("CSG => Skipping unknown section 0x%04x!\n", section_id));
break;
}
} catch (cfile::max_read_length &msg) {
// read to max section size, move to next section, discarding
// extra/unknown data
mprintf(("CSG => Warning: (0x%04x) %s\n", section_id, msg.what()));
} catch (const char *err) {
mprintf(("CSG => ERROR: %s\n", err));
csg_close();
return false;
}
// reset safety catch
cf_set_max_read_len(cfp, 0);
// skip to next section (if not already there)
size_t offset_pos = (start_pos + section_size) - cftell(cfp);
if (offset_pos) {
mprintf(("CSG => Warning: (0x%04x) Short read, information may have been lost!\n", section_id));
cfseek(cfp, (int)offset_pos, CF_SEEK_CUR);
}
}
// if the campaign (for whatever reason) doesn't have a squad image, use the multi one
if (p->s_squad_filename[0] == '\0') {
strcpy_s(p->s_squad_filename, p->m_squad_filename);
}
player_set_squad_bitmap(p, p->s_squad_filename, false);
mprintf(("CSG => Loading complete!\n"));
// cleanup and return
csg_close();
return true;
}
/*
* get_csg_rank: this function is called from plr.cpp & is
* tightly linked with pilotfile::verify()
*/
bool pilotfile::get_csg_rank(int *rank)
{
player t_csg;
// set player ptr first thing
p = &t_csg;
// filename has already been set
cfp = cfopen((char*)filename.c_str(), "rb", CFILE_NORMAL, CF_TYPE_PLAYERS);
if ( !cfp ) {
mprintf(("CSG => Unable to open '%s'!\n", filename.c_str()));
return false;
}
unsigned int csg_id = cfread_uint(cfp);
if (csg_id != CSG_FILE_ID) {
mprintf(("CSG => Invalid header id for '%s'!\n", filename.c_str()));
csg_close();
return false;
}
// version, now used
csg_ver = cfread_ubyte(cfp);
mprintf(("CSG => Get Rank from '%s' with version %d...\n", filename.c_str(), (int)csg_ver));
// the point of all this: read in the CSG contents
while ( !m_have_flags && !cfeof(cfp) ) {
ushort section_id = cfread_ushort(cfp);
uint section_size = cfread_uint(cfp);
size_t start_pos = cftell(cfp);
size_t offset_pos;
// safety, to help protect against long reads
cf_set_max_read_len(cfp, section_size);
try {
switch (section_id) {
case Section::Flags:
mprintf(("CSG => Parsing: Flags...\n"));
m_have_flags = true;
csg_read_flags();
break;
default:
break;
}
} catch (cfile::max_read_length &msg) {
// read to max section size, move to next section, discarding
// extra/unknown data
mprintf(("CSG => (0x%04x) %s\n", section_id, msg.what()));
} catch (const char *err) {
mprintf(("CSG => ERROR: %s\n", err));
csg_close();
return false;
}
// reset safety catch
cf_set_max_read_len(cfp, 0);
// skip to next section (if not already there)
offset_pos = (start_pos + section_size) - cftell(cfp);
if (offset_pos) {
mprintf(("CSG => Warning: (0x%04x) Short read, information may have been lost!\n", section_id));
cfseek(cfp, (int)offset_pos, CF_SEEK_CUR);
}
}
// this is what we came for...
*rank = p->stats.rank;
mprintf(("CSG => Get Rank complete!\n"));
// cleanup & return
csg_close();
return true;
}
/**
* @brief Load an animation. This stores the compressed data, which instances of the animation can reference.
* Must be free'ed later with anim_free().
*
* @param real_filename Filename of animation
* @param cf_dir_type
* @param file_mapped Whether to use memory-mapped file or not.
*
* @details Memory-mapped files will page in the animation from disk as it is needed, but performance is not as good.
* @return Pointer to anim that is loaded if sucess, NULL if failure.
*/
anim *anim_load(char *real_filename, int cf_dir_type, int file_mapped)
{
anim *ptr;
CFILE *fp;
int count,idx;
char name[_MAX_PATH];
Assert( real_filename != NULL );
strcpy_s( name, real_filename );
char *p = strchr( name, '.' );
if ( p ) {
*p = 0;
}
strcat_s( name, ".ani" );
ptr = first_anim;
while (ptr) {
if (!stricmp(name, ptr->name))
break;
ptr = ptr->next;
}
if (!ptr) {
fp = cfopen(name, "rb", CFILE_NORMAL, cf_dir_type);
if ( !fp )
return NULL;
ptr = (anim *) vm_malloc(sizeof(anim));
Assert(ptr);
ptr->flags = 0;
ptr->next = first_anim;
first_anim = ptr;
Assert(strlen(name) < _MAX_PATH - 1);
strcpy_s(ptr->name, name);
ptr->instance_count = 0;
ptr->width = 0;
ptr->height = 0;
ptr->total_frames = 0;
ptr->keys = NULL;
ptr->ref_count=0;
anim_read_header(ptr, fp);
if(ptr->num_keys > 0){
ptr->keys = (key_frame*)vm_malloc(sizeof(key_frame) * ptr->num_keys);
Assert(ptr->keys != NULL);
}
// store how long the anim should take on playback (in seconds)
ptr->time = i2fl(ptr->total_frames)/ptr->fps;
for(idx=0;idx<ptr->num_keys;idx++){
ptr->keys[idx].frame_num = 0;
cfread(&ptr->keys[idx].frame_num, 2, 1, fp);
cfread(&ptr->keys[idx].offset, 4, 1, fp);
ptr->keys[idx].frame_num = INTEL_INT( ptr->keys[idx].frame_num ); //-V570
ptr->keys[idx].offset = INTEL_INT( ptr->keys[idx].offset ); //-V570
}
cfread(&count, 4, 1, fp); // size of compressed data
count = INTEL_INT( count );
ptr->cfile_ptr = NULL;
if ( file_mapped == PAGE_FROM_MEM) {
// Try mapping the file to memory
ptr->flags |= ANF_MEM_MAPPED;
ptr->cfile_ptr = cfopen(name, "rb", CFILE_MEMORY_MAPPED, cf_dir_type);
}
// couldn't memory-map file... must be in a packfile, so stream manually
if ( file_mapped && !ptr->cfile_ptr ) {
ptr->flags &= ~ANF_MEM_MAPPED;
ptr->flags |= ANF_STREAMED;
ptr->cfile_ptr = cfopen(name, "rb", CFILE_NORMAL, cf_dir_type);
}
ptr->cache = NULL;
// If it opened properly as mem-mapped (or streamed)
if (ptr->cfile_ptr != NULL) {
// VERY IMPORTANT STEP
// Set the data pointer to the compressed data (which is not at the start of the
// file). Use ftell() to find out how far we've already parsed into the file
//
int offset;
offset = cftell(fp);
ptr->file_offset = offset;
if ( ptr->flags & ANF_STREAMED ) {
ptr->data = NULL;
ptr->cache_file_offset = ptr->file_offset;
ptr->cache = (ubyte*)vm_malloc(ANI_STREAM_CACHE_SIZE+2);
Assert(ptr->cache);
cfseek(ptr->cfile_ptr, offset, CF_SEEK_SET);
cfread(ptr->cache, ANI_STREAM_CACHE_SIZE, 1, ptr->cfile_ptr);
} else {
ptr->data = (ubyte*)cf_returndata(ptr->cfile_ptr) + offset;
}
} else {
// Not a memory mapped file (or streamed)
ptr->flags &= ~ANF_MEM_MAPPED;
ptr->flags &= ~ANF_STREAMED;
ptr->data = (ubyte *) vm_malloc(count);
ptr->file_offset = -1;
cfread(ptr->data, count, 1, fp);
}
cfclose(fp);
// store screen signature, so we can tell if palette changes
ptr->screen_sig = gr_screen.signature;
anim_set_palette(ptr);
}
ptr->ref_count++;
return ptr;
}
// -----------------------------------------------------------------------------
//loads from an already-open file
// returns 0=everything ok, 1=old version, -1=error
int load_mine_data(CFILE *LoadFile)
{
int i, j;
short tmap_xlate;
int translate;
char *temptr;
int mine_start = cftell(LoadFile);
fuelcen_reset();
for (i=0; i<MAX_TEXTURES; i++ )
tmap_times_used[i] = 0;
#ifdef EDITOR
// Create a new mine to initialize things.
//texpage_goto_first();
create_new_mine();
#endif
//===================== READ FILE INFO ========================
// These are the default values... version and fileinfo_sizeof
// don't have defaults.
mine_fileinfo.header_offset = -1;
mine_fileinfo.header_size = sizeof(mine_header);
mine_fileinfo.editor_offset = -1;
mine_fileinfo.editor_size = sizeof(mine_editor);
mine_fileinfo.vertex_offset = -1;
mine_fileinfo.vertex_howmany = 0;
mine_fileinfo.vertex_sizeof = sizeof(vms_vector);
mine_fileinfo.segment_offset = -1;
mine_fileinfo.segment_howmany = 0;
mine_fileinfo.segment_sizeof = sizeof(segment);
mine_fileinfo.newseg_verts_offset = -1;
mine_fileinfo.newseg_verts_howmany = 0;
mine_fileinfo.newseg_verts_sizeof = sizeof(vms_vector);
mine_fileinfo.group_offset = -1;
mine_fileinfo.group_howmany = 0;
mine_fileinfo.group_sizeof = sizeof(group);
mine_fileinfo.texture_offset = -1;
mine_fileinfo.texture_howmany = 0;
mine_fileinfo.texture_sizeof = 13; // num characters in a name
mine_fileinfo.walls_offset = -1;
mine_fileinfo.walls_howmany = 0;
mine_fileinfo.walls_sizeof = sizeof(wall);
mine_fileinfo.triggers_offset = -1;
mine_fileinfo.triggers_howmany = 0;
mine_fileinfo.triggers_sizeof = sizeof(trigger);
mine_fileinfo.object_offset = -1;
mine_fileinfo.object_howmany = 1;
mine_fileinfo.object_sizeof = sizeof(object);
// Read in mine_top_fileinfo to get size of saved fileinfo.
memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );
if (cfseek( LoadFile, mine_start, SEEK_SET ))
Error( "Error moving to top of file in gamemine.c" );
if (cfread( &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1, LoadFile )!=1)
Error( "Error reading mine_top_fileinfo in gamemine.c" );
if (mine_top_fileinfo.fileinfo_signature != 0x2884)
return -1;
// Check version number
if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
return -1;
// Now, Read in the fileinfo
if (cfseek( LoadFile, mine_start, SEEK_SET ))
Error( "Error seeking to top of file in gamemine.c" );
if (cfread( &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
Error( "Error reading mine_fileinfo in gamemine.c" );
//===================== READ HEADER INFO ========================
// Set default values.
mine_header.num_vertices = 0;
mine_header.num_segments = 0;
if (mine_fileinfo.header_offset > -1 )
{
if (cfseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
Error( "Error seeking to header_offset in gamemine.c" );
if (cfread( &mine_header, mine_fileinfo.header_size, 1, LoadFile )!=1)
Error( "Error reading mine_header in gamemine.c" );
}
//===================== READ EDITOR INFO ==========================
// Set default values
mine_editor.current_seg = 0;
mine_editor.newsegment_offset = -1; // To be written
mine_editor.newsegment_size = sizeof(segment);
mine_editor.Curside = 0;
mine_editor.Markedsegp = -1;
mine_editor.Markedside = 0;
if (mine_fileinfo.editor_offset > -1 )
{
if (cfseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
Error( "Error seeking to editor_offset in gamemine.c" );
if (cfread( &mine_editor, mine_fileinfo.editor_size, 1, LoadFile )!=1)
Error( "Error reading mine_editor in gamemine.c" );
}
//===================== READ TEXTURE INFO ==========================
if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
{
if (cfseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
Error( "Error seeking to texture_offset in gamemine.c" );
for (i=0; i< mine_fileinfo.texture_howmany; i++ )
{
if (cfread( &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1, LoadFile )!=1)
Error( "Error reading old_tmap_list[i] in gamemine.c" );
}
}
//=============== GENERATE TEXTURE TRANSLATION TABLE ===============
translate = 0;
Assert (NumTextures < MAX_TEXTURES);
{
hashtable ht;
hashtable_init( &ht, NumTextures );
// Remove all the file extensions in the textures list
for (i=0;i<NumTextures;i++) {
temptr = strchr(TmapInfo[i].filename, '.');
if (temptr) *temptr = '\0';
hashtable_insert( &ht, TmapInfo[i].filename, i );
}
// For every texture, search through the texture list
// to find a matching name.
for (j=0;j<mine_fileinfo.texture_howmany;j++) {
// Remove this texture name's extension
temptr = strchr(old_tmap_list[j], '.');
if (temptr) *temptr = '\0';
tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
if (tmap_xlate_table[j] < 0 ) {
//tmap_xlate_table[j] = 0;
// mprintf( (0, "Couldn't find texture '%s'\n", old_tmap_list[j] ));
;
}
if (tmap_xlate_table[j] != j ) translate = 1;
if (tmap_xlate_table[j] >= 0)
tmap_times_used[tmap_xlate_table[j]]++;
}
{
int count = 0;
for (i=0; i<MAX_TEXTURES; i++ )
if (tmap_times_used[i])
count++;
mprintf( (0, "This mine has %d unique textures in it (~%d KB)\n", count, (count*4096) /1024 ));
}
mprintf( (0, "Translate=%d\n", translate ));
hashtable_free( &ht );
}
//====================== READ VERTEX INFO ==========================
// New check added to make sure we don't read in too many vertices.
if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
{
mprintf((0, "Num vertices exceeds maximum. Loading MAX %d vertices\n", MAX_VERTICES));
mine_fileinfo.vertex_howmany = MAX_VERTICES;
}
if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
{
if (cfseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
Error( "Error seeking to vertex_offset in gamemine.c" );
for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
{
// Set the default values for this vertex
Vertices[i].x = 1;
Vertices[i].y = 1;
Vertices[i].z = 1;
if (cfread( &Vertices[i], mine_fileinfo.vertex_sizeof, 1, LoadFile )!=1)
Error( "Error reading Vertices[i] in gamemine.c" );
}
}
//==================== READ SEGMENT INFO ===========================
// New check added to make sure we don't read in too many segments.
if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
mprintf((0, "Num segments exceeds maximum. Loading MAX %d segments\n", MAX_SEGMENTS));
mine_fileinfo.segment_howmany = MAX_SEGMENTS;
}
// [commented out by mk on 11/20/94 (weren't we supposed to hit final in October?) because it looks redundant. I think I'll test it now...] fuelcen_reset();
if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0)) {
if (cfseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))
Error( "Error seeking to segment_offset in gamemine.c" );
Highest_segment_index = mine_fileinfo.segment_howmany-1;
for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {
segment v16_seg;
// Set the default values for this segment (clear to zero )
//memset( &Segments[i], 0, sizeof(segment) );
if (mine_top_fileinfo.fileinfo_version >= 16) {
Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));
if (cfread( &v16_seg, mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
Error( "Error reading segments in gamemine.c" );
}
else
Error("Invalid mine version");
Segments[i] = v16_seg;
Segments[i].objects = -1;
#ifdef EDITOR
Segments[i].group = -1;
#endif
if (mine_top_fileinfo.fileinfo_version < 15) { //used old uvl ranges
int sn,uvln;
for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
for (uvln=0;uvln<4;uvln++) {
Segments[i].sides[sn].uvls[uvln].u /= 64;
Segments[i].sides[sn].uvls[uvln].v /= 64;
Segments[i].sides[sn].uvls[uvln].l /= 32;
}
}
fuelcen_activate( &Segments[i], Segments[i].special );
if (translate == 1)
for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
unsigned short orient;
tmap_xlate = Segments[i].sides[j].tmap_num;
Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
if (Segments[i].sides[j].tmap_num < 0) {
mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
Int3();
Segments[i].sides[j].tmap_num = 0;
}
tmap_xlate = Segments[i].sides[j].tmap_num2 & 0x3FFF;
orient = Segments[i].sides[j].tmap_num2 & (~0x3FFF);
if (tmap_xlate != 0) {
int xlated_tmap = tmap_xlate_table[tmap_xlate];
if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
if (xlated_tmap <= 0) {
mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
Int3();
Segments[i].sides[j].tmap_num2 = 0;
}
Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
}
}
}
}
//===================== READ NEWSEGMENT INFO =====================
#ifdef EDITOR
{ // Default segment created.
vms_vector sizevec;
med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE)); // New_segment = Segments[0];
//memset( &New_segment, 0, sizeof(segment) );
}
if (mine_editor.newsegment_offset > -1)
{
if (cfseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
Error( "Error seeking to newsegment_offset in gamemine.c" );
if (cfread( &New_segment, mine_editor.newsegment_size,1,LoadFile )!=1)
Error( "Error reading new_segment in gamemine.c" );
}
if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
{
if (cfseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
Error( "Error seeking to newseg_verts_offset in gamemine.c" );
for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
{
// Set the default values for this vertex
Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
if (cfread( &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1,LoadFile )!=1)
Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );
New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
}
}
#endif
//========================= UPDATE VARIABLES ======================
#ifdef EDITOR
// Setting to Markedsegp to NULL ignores Curside and Markedside, which
// we want to do when reading in an old file.
Markedside = mine_editor.Markedside;
Curside = mine_editor.Curside;
for (i=0;i<10;i++)
Groupside[i] = mine_editor.Groupside[i];
if ( mine_editor.current_seg != -1 )
Cursegp = mine_editor.current_seg + Segments;
else
Cursegp = NULL;
if (mine_editor.Markedsegp != -1 )
Markedsegp = mine_editor.Markedsegp + Segments;
else
Markedsegp = NULL;
num_groups = 0;
current_group = -1;
#endif
Num_vertices = mine_fileinfo.vertex_howmany;
Num_segments = mine_fileinfo.segment_howmany;
Highest_vertex_index = Num_vertices-1;
Highest_segment_index = Num_segments-1;
reset_objects(1); //one object, the player
#ifdef EDITOR
Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
Highest_segment_index = MAX_SEGMENTS-1;
set_vertex_counts();
Highest_vertex_index = Num_vertices-1;
Highest_segment_index = Num_segments-1;
warn_if_concave_segments();
#endif
#ifdef EDITOR
validate_segment_all();
#endif
//create_local_segment_data();
//gamemine_find_textures();
if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
return 1; //old version
else
return 0;
}
bool pilotfile::verify(const char *fname, int *rank, char *valid_language)
{
player t_plr;
// set player ptr first thing
p = &t_plr;
filename = fname;
if ( filename.size() == 4 ) {
mprintf(("PLR => Invalid filename '%s'!\n", filename.c_str()));
return false;
}
cfp = cfopen((char*)filename.c_str(), "rb", CFILE_NORMAL, CF_TYPE_PLAYERS);
if ( !cfp ) {
mprintf(("PLR => Unable to open '%s'!\n", filename.c_str()));
return false;
}
unsigned int plr_id = cfread_uint(cfp);
if (plr_id != PLR_FILE_ID) {
mprintf(("PLR => Invalid header id for '%s'!\n", filename.c_str()));
plr_close();
return false;
}
// version, now used
version = cfread_ubyte(cfp);
mprintf(("PLR => Verifying '%s' with version %d...\n", filename.c_str(), (int)version));
// the point of all this: read in the PLR contents
while ( !(m_have_flags && m_have_info) && !cfeof(cfp) ) {
ushort section_id = cfread_ushort(cfp);
uint section_size = cfread_uint(cfp);
size_t start_pos = cftell(cfp);
// safety, to help protect against long reads
cf_set_max_read_len(cfp, section_size);
try {
switch (section_id) {
case Section::Flags:
mprintf(("PLR => Parsing: Flags...\n"));
m_have_flags = true;
plr_read_flags();
break;
// now reading the Info section to get the campaign
// and be able to lookup the campaign rank
case Section::Info:
mprintf(("PLR => Parsing: Info...\n"));
m_have_info = true;
plr_read_info();
break;
default:
break;
}
} catch (cfile::max_read_length &msg) {
// read to max section size, move to next section, discarding
// extra/unknown data
mprintf(("PLR => (0x%04x) %s\n", section_id, msg.what()));
} catch (const char *err) {
mprintf(("PLR => ERROR: %s\n", err));
plr_close();
return false;
}
// reset safety catch
cf_set_max_read_len(cfp, 0);
// skip to next section (if not already there)
size_t offset_pos = (start_pos + section_size) - cftell(cfp);
if (offset_pos) {
mprintf(("PLR => Warning: (0x%04x) Short read, information may have been lost!\n", section_id));
cfseek(cfp, offset_pos, CF_SEEK_CUR);
}
}
if (valid_language) {
strncpy(valid_language, p->language, sizeof(p->language));
}
// need to cleanup early to ensure everything is OK for use in the CSG next
// also means we can't use *p from now on, use t_plr instead for a few vars
plr_close();
if (rank) {
// maybe get the rank from the CSG
if ( !(Game_mode & GM_MULTIPLAYER) ) {
// build the csg filename
// since filename/fname was validated above, perform less safety checks here
filename = fname;
filename = filename.replace(filename.find_last_of('.')+1,filename.npos, t_plr.current_campaign);
filename.append(".csg");
if (!this->get_csg_rank(rank)) {
// if we failed to get the csg rank, default to multi rank
*rank = t_plr.stats.rank;
}
} else {
// if the CSG isn't valid, or for multi, use this rank
*rank = t_plr.stats.rank;
}
}
mprintf(("PLR => Verifying complete!\n"));
return true;
}
// -----------------------------------------------------------------------------
// saves to an already-open file
int save_mine_data(CFILE * SaveFile)
{
int header_offset, editor_offset, vertex_offset, segment_offset, doors_offset, texture_offset, walls_offset, triggers_offset; //, links_offset;
int newseg_verts_offset;
int newsegment_offset;
int i;
med_compress_mine();
warn_if_concave_segments();
for (i=0;i<NumTextures;i++)
strncpy(current_tmap_list[i], TmapInfo[i].filename, 13);
//=================== Calculate offsets into file ==================
header_offset = cftell(SaveFile) + sizeof(mine_fileinfo);
editor_offset = header_offset + sizeof(mine_header);
texture_offset = editor_offset + sizeof(mine_editor);
vertex_offset = texture_offset + (13*NumTextures);
segment_offset = vertex_offset + (sizeof(vms_vector)*Num_vertices);
newsegment_offset = segment_offset + (sizeof(segment)*Num_segments);
newseg_verts_offset = newsegment_offset + sizeof(segment);
walls_offset = newseg_verts_offset + (sizeof(vms_vector)*8);
triggers_offset = walls_offset + (sizeof(wall)*Num_walls);
doors_offset = triggers_offset + (sizeof(trigger)*Num_triggers);
//===================== SAVE FILE INFO ========================
mine_fileinfo.fileinfo_signature= 0x2884;
mine_fileinfo.fileinfo_version = MINE_VERSION;
mine_fileinfo.fileinfo_sizeof = sizeof(mine_fileinfo);
mine_fileinfo.header_offset = header_offset;
mine_fileinfo.header_size = sizeof(mine_header);
mine_fileinfo.editor_offset = editor_offset;
mine_fileinfo.editor_size = sizeof(mine_editor);
mine_fileinfo.vertex_offset = vertex_offset;
mine_fileinfo.vertex_howmany = Num_vertices;
mine_fileinfo.vertex_sizeof = sizeof(vms_vector);
mine_fileinfo.segment_offset = segment_offset;
mine_fileinfo.segment_howmany = Num_segments;
mine_fileinfo.segment_sizeof = sizeof(segment);
mine_fileinfo.newseg_verts_offset = newseg_verts_offset;
mine_fileinfo.newseg_verts_howmany = 8;
mine_fileinfo.newseg_verts_sizeof = sizeof(vms_vector);
mine_fileinfo.texture_offset = texture_offset;
mine_fileinfo.texture_howmany = NumTextures;
mine_fileinfo.texture_sizeof = 13; // num characters in a name
mine_fileinfo.walls_offset = walls_offset;
mine_fileinfo.walls_howmany = Num_walls;
mine_fileinfo.walls_sizeof = sizeof(wall);
mine_fileinfo.triggers_offset = triggers_offset;
mine_fileinfo.triggers_howmany = Num_triggers;
mine_fileinfo.triggers_sizeof = sizeof(trigger);
// Write the fileinfo
cfwrite( &mine_fileinfo, sizeof(mine_fileinfo), 1, SaveFile );
//===================== SAVE HEADER INFO ========================
mine_header.num_vertices = Num_vertices;
mine_header.num_segments = Num_segments;
// Write the editor info
if (header_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( &mine_header, sizeof(mine_header), 1, SaveFile );
//===================== SAVE EDITOR INFO ==========================
mine_editor.current_seg = Cursegp - Segments;
mine_editor.newsegment_offset = newsegment_offset;
mine_editor.newsegment_size = sizeof(segment);
// Next 3 vars added 10/07 by JAS
mine_editor.Curside = Curside;
if (Markedsegp)
mine_editor.Markedsegp = Markedsegp - Segments;
else
mine_editor.Markedsegp = -1;
mine_editor.Markedside = Markedside;
for (i=0;i<10;i++)
mine_editor.Groupsegp[i] = Groupsegp[i] - Segments;
for (i=0;i<10;i++)
mine_editor.Groupside[i] = Groupside[i];
if (editor_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( &mine_editor, sizeof(mine_editor), 1, SaveFile );
//===================== SAVE TEXTURE INFO ==========================
if (texture_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( current_tmap_list, 13, NumTextures, SaveFile );
//===================== SAVE VERTEX INFO ==========================
if (vertex_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( Vertices, sizeof(vms_vector), Num_vertices, SaveFile );
//===================== SAVE SEGMENT INFO =========================
if (segment_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( Segments, sizeof(segment), Num_segments, SaveFile );
//===================== SAVE NEWSEGMENT INFO ======================
if (newsegment_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( &New_segment, sizeof(segment), 1, SaveFile );
if (newseg_verts_offset != cftell(SaveFile))
Error( "OFFSETS WRONG IN MINE.C!" );
cfwrite( &Vertices[New_segment.verts[0]], sizeof(vms_vector), 8, SaveFile );
//==================== CLOSE THE FILE =============================
return 0;
}
/*
* @brief Get info about the apng
* @note Also validates the apng & sets it up to have frames read
*
* @retval PNG_ERROR_NONE (0), otherwise will raise exception
*/
int apng_ani::load_header()
{
char filename[MAX_FILENAME_LEN];
strcpy_s(filename, _filename.c_str());
char *p = strchr( filename, '.' );
if ( p != nullptr ) *p = 0;
strcat_s( filename, ".png" );
_cfp = cfopen( filename , "rb" );
if ( _cfp == nullptr) {
_apng_failed("couldn't open filename");
}
_reading = true;
ubyte sig[8];
if (cfread(sig, 8, 1, _cfp) != 1) {
_apng_failed("cfread of png signature failed");
}
if (png_sig_cmp(sig, 0, 8) != 0) {
_apng_failed("file has invalid png signature");
}
// setup chunk sizes before use
_chunk_IHDR.data.resize(25); // fixed IHDR chunk size
_chunk.data.resize(25); // match the other sizes, maybe waste up to 13 bytes (ooooh)
_id = _read_chunk(_chunk_IHDR);
if (_id != id_IHDR || _chunk_IHDR.size != 25) {
_apng_failed("failed to read IHDR chunk");
}
w = png_get_uint_32(&_chunk_IHDR.data[8]);
h = png_get_uint_32(&_chunk_IHDR.data[12]);
_row_len = w * 4;
// setup frames & keep bm_create happy
_image_size = _row_len * h;
frame.data.reserve(_image_size); // alloc only once
frame.data.assign(_image_size, 0); // all transparent black per spec
frame.rows.resize(h);
_frame_raw.data.resize(_image_size);
_frame_raw.rows.resize(h);
_frame_next.data.resize(_image_size);
_frame_next.rows.resize(h);
for (uint i = 0; i < h; ++i) {
// everything is correctly sized above; avoid .at() error checks
frame.rows[i] = &frame.data[i * _row_len];
_frame_raw.rows[i] = &_frame_raw.data[i * _row_len];
_frame_next.rows[i] = &_frame_next.data[i * _row_len];
}
// read all data
while (!cfeof(_cfp)) {
_process_chunk();
}
// should be at EOF; attach to _frame_offsets to make next_frame code simpler
Assertion(cfeof(_cfp) != 0, "apng not at EOF, get a coder!");
_frame_offsets.push_back(cftell(_cfp));
// sanity checks
if (anim_time <= 0.0f) {
_apng_failed("animation duration <= 0.0f, bad data?");
}
if (nframes < 1) {
_apng_failed("animation didn't have any frames, is this a static png?");
}
// back to start, including reset of _cfp so it can be used for the 1st frame
_reading = false;
if (cfseek(_cfp, _frame_offsets.at(0), CF_SEEK_SET) != 0) {
_apng_failed("couldn't seek to 1st fcTL offset");
}
return PNG_ERROR_NONE;
}
// initialize the pointer array into tstrings.tbl (call from lcl_ext_open() ONLY)
void lcl_ext_setup_pointers()
{
char language_string[128];
char line[1024];
char *tok;
int string_count;
int ret;
int found_start = 0;
// open the localization file
lcl_ext_open();
if(Lcl_ext_file == NULL){
error_display(0, "Error opening externalization file! File likely does not exist or could not be found");
return;
}
// seek to the currently active language
memset(language_string, 0, 128);
strcpy(language_string, "#");
if(!stricmp(DEFAULT_LANGUAGE, Lcl_languages[Lcl_current_lang].lang_name)){
strcat(language_string, "default");
} else {
strcat(language_string, Lcl_languages[Lcl_current_lang].lang_name);
}
memset(line, 0, 1024);
// reset seek variables and begin
Lcl_pointer_count = 0;
while(cfgets(line, 1024, Lcl_ext_file)){
tok = strtok(line, " \n");
if(tok == NULL){
continue;
}
// if the language matches, we're good to start parsing strings
if(!stricmp(language_string, tok)){
found_start = 1;
break;
}
}
// if we didn't find the language specified, error
if(found_start <= 0){
error_display(0, "Could not find specified langauge in tstrings.tbl!\n");
lcl_ext_close();
return;
}
string_count = 0;
while(cfgets(line, 1024, Lcl_ext_file)){
ret = lcl_ext_lookup_sub(line, NULL, -1);
// do stuff
switch(ret & 0x0fffffff){
// error
case 0 :
lcl_ext_close();
return;
// end of language found
case 3 :
// mark one final pointer
Lcl_pointers[Lcl_pointer_count++] = cftell(Lcl_ext_file) - strlen(line) - 1;
lcl_ext_close();
return;
}
// the only other case we care about is the beginning of a new id#
if(ret & (1<<31)){
if((string_count % LCL_GRANULARITY) == 0){
// mark the pointer down
Lcl_pointers[Lcl_pointer_count++] = cftell(Lcl_ext_file) - strlen(line) - 1;
// if we're out of pointer slots
if(Lcl_pointer_count >= LCL_MAX_POINTERS){
error_display(0, "Out of pointer for tstrings.tbl lookup. Please increment LCL_MAX_POINTERS in localize.cpp");
lcl_ext_close();
return;
}
}
// increment string count
string_count++;
}
}
// should never get here. we should always be exiting through case 3 (end of language section) of the above switch
// statement
Int3();
lcl_ext_close();
}
long ogg_cftell(void* cfile)
{
return cftell((CFILE*)cfile);
}
