int getparamstat(string name)
{
param *par;
par = findparam(name, paramvec);
return (par != NULL ? par->flags : 0);
}
local void savehistory(param *pvec)
{
param *pp;
int hlen;
char *hist;
pp = findparam("HISTORY", pvec); // look for a history entry
if (pp != NULL && ! strnull(pp->value)) // is history data present?
add_history(pp->value); // just send to history pkg
else { // format history data
hlen = strlen(pvec->value); // count length of argv0
for (pp = pvec+1; pp->name != NULL; pp++)
// sum length of others
if ((pp->flags & ARGPARAM) || streq(pp->name, "VERSION"))
// actual arg or version?
hlen += 2 + strlen(pp->name) + strlen(pp->value);
// add length required
hist = (char *) allocate(hlen+1); // get memory for history
strcpy(hist, pvec->value); // store program name
for (pp = pvec+1; pp->name != NULL; pp++)
// loop over other params
if ((pp->flags & ARGPARAM) || streq(pp->name, "VERSION")) {
// actual arg or version?
strcat(hist, " "); // insert a space
strcat(hist, pp->name); // and the argument name
strcat(hist, "="); // and a equals sign
strcat(hist, pp->value); // and the argument value
}
add_history(hist); // invoke history package
}
}
local void setarguments(param *pvec, string *argv)
{
bool scanpos;
param *pp;
string *ap, name;
scanpos = TRUE; // start scan by position
pp = pvec; // start with 0th param
for (ap = argv + 1; *ap != NULL; ap++) { // loop over the arguments
name = parname(*ap); // get param name, if any
scanpos = scanpos && (name == NULL); // see how to match args
if (scanpos) { // match by position?
pp++; // move to next param
if (pp->name == NULL) // past last parameter?
error("%s.initparam: too many arguments\n", progname);
pp->value = strdup(*ap); // set new param value
} else { // matching by name?
if (name == NULL) // but no name given?
error("%s.initparam: arg %s must be named\n", progname, *ap);
pp = findparam(name, pvec); // look for named param
if (pp == NULL) // an unknown param?
error("%s.initparam: parameter %s unknown\n", progname, name);
if (pp->flags & ARGPARAM) // already on arg list?
error("%s.initparam: parameter %s duplicated\n", progname, name);
pp->value = strdup(parvalue(*ap)); // set new param value
}
pp->flags = (pp->flags & ~DEFPARAM) | ARGPARAM;
// switch source flag
}
}
/*-----------------------------------------------------
Parameters:
Returns value:
Description
------------------------------------------------------*/
int
ImageFWrite(IMAGE *I, FILE *fp, const char*fname)
{
byte *image ;
int ecode, type, frame;
char buf[100] ;
if (!fname)
fname = "ImageFWrite" ;
strcpy(buf, fname) ; /* don't destroy callers string */
ImageUnpackFileName(buf, &frame, &type, buf) ;
switch (type)
{
case RGBI_IMAGE:
RGBwrite(I, buf, frame) ;
break ;
case TIFF_IMAGE:
TiffWriteImage(I, buf, frame) ;
break ;
default:
case JPEG_IMAGE:
JPEGWriteImage(I, buf, frame);
break;
case PGM_IMAGE:
PGMWriteImage(I, buf, frame);
break;
case PPM_IMAGE:
PPMWriteImage(I, buf, frame);
break;
case HIPS_IMAGE:
if (endian == END_UNDEF)
endian = FindMachineEndian();
if (findparam(I,"endian"))
clearparam(I,"endian"); /* Clear any existing endian parameter */
setparam(I, "endian", PFBYTE, 1, endian);
ecode = fwrite_header(fp,I,"fwrite") ;
if (ecode != HIPS_OK)
ErrorExit(ERROR_NO_FILE,"ImageFWrite: fwrite_header failed (%d)\n",ecode);
image = I->image ;
for (frame = 0 ; frame < I->num_frame ; frame++)
{
ecode = fwrite_image(fp, I, frame, "fwrite") ;
if (ecode != HIPS_OK)
ErrorExit(ERROR_NO_FILE,
"ImageFWrite: fwrite_image frame %d failed (%d)\n",ecode,frame);
I->image += I->sizeimage ; /* next frame */
}
I->image = image ;
break ;
}
return(0) ;
}
static /* puts parameter in plist */
void addparam(int n, /* number of param to change */
char *s, /* parameter */
Strlist **ptop)
{ /* top of list */
char *ps;
ps = findparam(n, ptop);
if (strcmp(s, "."))
strncpy(ps, s, 1+strlen(s));
}
string getparam(string name)
{
param *par;
if (paramvec == NULL) { // called during init?
if (streq(name, "argv0") && progname != NULL)
return (progname); // handle "argv0" specially
error("getparam: called before initparam\n");
// program name unknown
}
par = findparam(name, paramvec); // look up value by name
if (par == NULL)
error("%s.getparam: parameter %s unknown\n", progname, name);
return (par->value);
}
/*
* Return the type of a variable name.
* This is either local, parameter, global, static, or undefined.
*
* given:
* name variable name to find
*/
int
symboltype(char *name)
{
GLOBAL *sp;
if (findparam(name) >= 0)
return SYM_PARAM;
if (findlocal(name) >= 0)
return SYM_LOCAL;
sp = findglobal(name);
if (sp) {
if (sp->g_filescope == SCOPE_GLOBAL)
return SYM_GLOBAL;
return SYM_STATIC;
}
return SYM_UNDEFINED;
}
static /* reads score{} section */
void readscore(Inst *insttop)
{
char s[128];
Inst *p;
Rat grpmul, timesig, curtime, lastbar, lastnote, rattmp;
Tempo *tempotop, *tempop;
Note *notetop, *pn, *qn, *ln;
Nextp *nextlist, *nextpp;
int accidentals,
octaves,
vertical, key[PITCHCLASSES], barkey[PITCHCLASSES], transpose, z;
double maxtime, fcurtime;
#ifdef DEBUG
printf("Reading score section\n");
#endif
maxtime = 0.0;
if (expectchar('{'))
scotferror(Str("Syntax error: no {"));
tempotop = (Tempo *) malloc(sizeof(Tempo));
tempotop->time.num = 0;
tempotop->time.denom = 1;
tempotop->val = 60;
tempotop->next = NULL;
for (;;) {
tempop = tempotop;
efindword(s);
if (s[0] == '}')
break;
if (s[0] != '$')
scotferror(Str("No instrument specified"));
p = insttop;
while ((p != NULL) && (strcmp(&s[1], p->name)))
p = p->next;
if (p == NULL)
scotferror(Str("Instrument not defined"));
notetop = ln = NULL;
grpmul.num = 1;
grpmul.denom = 1;
timesig.num = 0;
timesig.denom = 1;
curtime.num = 0;
curtime.denom = 1;
lastbar.num = 0;
lastbar.denom = 1;
lastnote.num = 0;
lastnote.denom = 1;
accidentals = octaves = vertical = TRUE;
for (z = 0; z < PITCHCLASSES; z++)
key[z] = barkey[z] = 0;
transpose = 0;
nextlist = NULL;
readinstsec(p, &nextlist, &grpmul, ×ig, &curtime,
&lastbar, &lastnote, ¬etop, &ln, &tempop, &accidentals,
&octaves, &vertical, key, barkey, &transpose, "}$");
for (pn = notetop; pn; pn = pn->next) {
if (!pn->written) {
char *ps, *ps2;
for (nextpp = nextlist; nextpp; nextpp = nextpp->next) {
ps = findparam(nextpp->dst, &pn->carryp);
if (!strcmp(ps, NEXTP)) {
ps2 = findparam(nextpp->src, &pn->p);
if (!strcmp(ps2, "."))
ps2 = findparam(nextpp->src, &pn->carryp);
strcpy(ps, ps2);
}
}
writenote(pn);
}
if (pn->tie)
scoterror(Str("unresolved tie"));
if (pn->slur & 1)
scoterror(Str("unresolved slur"));
ratadd(&rattmp, &pn->start, &pn->dur);
if (ratcmp(&rattmp, &curtime) > 0)
ratass(&curtime, &rattmp);
#ifdef DEBUG
if (pn == pn->next)
scotferror(Str("Circular note list\n"));
#endif
}
while (nextlist) {
nextpp = nextlist;
nextlist = nextlist->next;
free((char *) nextpp);
}
pn = notetop;
while (pn) {
qn = pn;
pn = pn->next;
freenote(qn);
}
fcurtime = ratval(&curtime);
if (fcurtime > maxtime)
maxtime = fcurtime;
}
tempop = tempotop;
putc('t', outfile);
for (;;) {
tempotop = tempop;
tempop = tempop->next;
fprintf(outfile, "%g %d", ratval(&tempotop->time), tempotop->val);
free((char *) tempotop);
if (!tempop)
break;
putc(' ', outfile);
}
fprintf(outfile, "\nf0 %g\ns\n", maxtime);
}
static /* reads from one $instrument to the next */
void readinstsec(Inst *inst,
Nextp **nextlist,
Rat *grpmul,
Rat *timesig,
Rat *curtime,
Rat *lastbar,
Rat *lastnote,
Note **notetop,
Note **ln,
Tempo **tempop,
int *accidentals,
int *octaves,
int *vertical,
int *key, int *barkey, int *transpose, char *endchar)
{
static Rat durdiv = { 4L, 1L };
int c, z, lastpitchclass;
char s[128], *sp;
Rat ratstack, rattmp;
Note *pn, *nn, *pn2 = NULL;
Strlist *ps;
Nextp *nextpp;
#ifdef DEBUG
printf("Reading instrument section: %s\n", inst->name);
#endif
pn = (*notetop);
for (;;) {
findchar(&c);
if (strchr(endchar, c))
break;
#ifdef DEBUG
printf("Processing char: %c\n", c);
#endif
switch (c) {
case 't':
if (findint(&c)) {
scoterror(Str("Tempo must be specified"));
break;
}
if ((*tempop)->next) {
scoterror(Str("Redefinition of tempo"));
break;
}
(*tempop)->next = (Tempo *) malloc(sizeof(Tempo));
*tempop = (*tempop)->next;
(*tempop)->next = NULL;
ratass(&((*tempop)->time), curtime);
(*tempop)->val = c;
break;
case '!':
efindword(s);
if ((c = strlen(s)) < 2)
scoterror(Str("Must specify 2 or more letters of keyword"));
if (!strncmp(s, "accidentals", c)) {
if (findonoff(accidentals))
scoterror(Str("Must be \"on\" or \"off\""));
#ifdef DEBUG
printf(" accidentals %s\n", accidentals ? "on" : "off");
#endif
}
else if (!strncmp(s, "octaves", c)) {
if (findonoff(octaves))
scoterror(Str("Must be \"on\" or \"off\""));
#ifdef DEBUG
printf(" ocatves %s\n", *octaves ? "on" : "off");
#endif
}
else if (!strncmp(s, "vertical", c)) {
if (findonoff(vertical))
scoterror(Str("Must be \"on\" or \"off\""));
#ifdef DEBUG
printf(" vertical %s\n", *vertical ? "on" : "off");
#endif
}
else if (!strncmp(s, "timesignature", c)) {
efindword(s);
if ((sscanf(s, "%lu/%lu", ×ig->num, ×ig->denom) != 2)
||
(&(timesig->denom) == 0) ) {
scoterror(Str("Invalid time signature"));
timesig->num = 0;
timesig->denom = 1;
}
#ifdef DEBUG
printf(" time sig=%lu/%lu\n", timesig->num, timesig->denom);
#endif
ratstack.num = 4;
ratstack.denom = 1;
ratmul(timesig, timesig, &ratstack);
#ifdef DEBUG
printf(" measure length=%f\n", ratval(timesig));
#endif
}
else if (!strncmp(s, "key", c)) {
int y;
efindword(s);
for (z = 0; z < PITCHCLASSES; z++)
key[z] = 0;
c = y = 0;
for (z = 0; s[z] != (char) 0; z++)
switch ((int) s[z]) {
case '#':
c = y + 1;
y++;
break;
case '-':
c = y - 1;
y--;
break;
default:
if (!isalpha(s[z]))
scoterror(Str("Bad key signature"));
key[letterval((int) s[z])] = c;
y = 0;
}
for (z = 0; z < PITCHCLASSES; z++)
barkey[z] = key[z];
}
else if (!strncmp(s, "transpose", c)) {
efindword(s);
*transpose = 0;
for (z = 0; s[z]; z++) {
switch (s[z]) {
case ',':
(*transpose) -= NOTESPEROCT;
break;
case '\'':
(*transpose) += NOTESPEROCT;
break;
case '=':
(*transpose) = 0;
break;
case '#':
(*transpose)++;
break;
case '-':
(*transpose)--;
break;
default:
(*transpose) += naturals[letterval((int) s[z])];
}
}
}
else if (!strncmp(s, "next", c)) {
efindword(s);
if (sscanf(s, "p%d", &c) != 1) {
scoterror(Str("Invalid field"));
efindword(s);
break;
}
efindword(s);
if (sscanf(s, "p%d", &z) != 1) {
scoterror(Str("Invalid field"));
break;
}
if (*nextlist == NULL) {
*nextlist = (Nextp *) malloc(sizeof(Nextp));
nextpp = (*nextlist);
nextpp->next = NULL;
}
else {
nextpp = (*nextlist);
if ((c == nextpp->dst) || (z == nextpp->src))
scoterror(Str("Nested next-parameter passing"));
while (nextpp->next) {
nextpp = nextpp->next;
if ((c == nextpp->dst) || (z == nextpp->src))
scoterror(Str("Nested next-parameter passing"));
}
nextpp->next = (Nextp *) malloc(sizeof(Nextp));
nextpp = nextpp->next;
nextpp->next = NULL;
}
nextpp->src = c;
nextpp->dst = z;
}
else
scoterror(Str("Unrecognised keyword"));
break;
case '{':
findint(&c);
expectchar(':');
if (!c) {
ratstack.num = 2L;
ratstack.denom = 3L;
}
else {
ratstack.denom = (unsigned long) c;
findint(&c);
if (!c) {
for (z = 1; (unsigned long) z < ratstack.denom; z *= 2);
z /= 2;
ratstack.num = (unsigned long) z;
}
else
ratstack.num = (unsigned long) c;
expectchar(':');
}
ratmul(grpmul, grpmul, &ratstack);
readinstsec(inst, nextlist, grpmul, timesig, curtime,
lastbar, lastnote, notetop, ln, tempop, accidentals,
octaves, vertical, key, barkey, transpose, ":");
ratdiv(grpmul, grpmul, &ratstack);
expectchar(':');
expectchar('}');
break;
case '(':
ratass(&ratstack, curtime);
if (pn == (*notetop)) {
readinstsec(inst, nextlist, grpmul, timesig, curtime,
lastbar, lastnote, notetop, ln, tempop, accidentals,
octaves, vertical, key, barkey, transpose, ")");
pn = (*notetop);
}
else {
readinstsec(inst, nextlist, grpmul, timesig, curtime,
lastbar, lastnote, &pn2->next, ln, tempop, accidentals,
octaves, vertical, key, barkey, transpose, ")");
pn = pn2->next;
}
expectchar(')');
ratass(lastnote, &ratstack);
break;
case '/':
ratadd(lastbar, lastbar, timesig);
if ((timesig->num) && (ratcmp(lastbar, curtime))) {
scoterror(Str("Wrong number of beats in bar"));
ratass(lastbar, curtime);
}
for (z = 0; z < PITCHCLASSES; z++)
barkey[z] = key[z];
break;
case '<':
if (pn == NULL) {
scoterror(Str("Syntax error: cannot back up"));
break;
}
if (pn->next == NULL) {
pn->next = (Note *) malloc(sizeof(Note));
initnote(pn->next);
pn->next->instrum = pn->instrum + 0.01;
}
pn2 = pn;
pn = pn->next;
ratass(curtime, lastnote);
break;
default:
#ifdef DEBUG
printf("Reading note\n");
printf(" time=%lu/%lu\n", curtime->num, curtime->denom);
printf(" =%f\n", ratval(curtime));
#endif
scotungetc();
nn = (Note *) malloc(sizeof(Note));
nn->p = NULL;
nn->written = FALSE;
if (*notetop == NULL) {
pn = (*ln) = (*notetop) = (Note *) malloc(sizeof(Note));
initnote(*notetop);
(*notetop)->instrum = (double) inst->number + 0.01;
}
else if (ratcmp(curtime, lastnote))
pn = (*notetop);
nn->instrum = pn->instrum;
#ifdef DEBUG
printf(" instrument #%f\n", nn->instrum);
#endif
if (*vertical)
strlistcopy(&nn->carryp, &(*ln)->carryp);
else
strlistcopy(&nn->carryp, &pn->carryp);
for (nextpp = (*nextlist); nextpp; nextpp = nextpp->next) {
sp = findparam(nextpp->dst, &nn->carryp);
if (!strcmp(sp, "."))
strcpy(sp, NEXTP);
}
ratass(&nn->start, curtime);
if (!findint(&c)) {
ratstack.num = (unsigned long) c;
ratstack.denom = 1L;
ratdiv(&nn->dur, &durdiv, &ratstack);
ratass(&ratstack, &nn->dur);
rattmp.num = 1L;
rattmp.denom = 2L;
for (;;) {
findchar(&c);
if (c != '.')
break;
ratmul(&ratstack, &ratstack, &rattmp);
ratadd(&nn->dur, &nn->dur, &ratstack);
}
}
else {
if (*vertical)
ratass(&nn->dur, &((*ln)->lastdur));
else
ratass(&nn->dur, &pn->lastdur);
findchar(&c);
}
ratass(&nn->lastdur, &nn->dur);
ratmul(&nn->dur, &nn->dur, grpmul);
#ifdef DEBUG
printf(" duration=%f\n", ratval(&nn->dur));
printf(" c=%c\n", c);
#endif
if (c == '=') {
nn->octave = 8;
lastpitchclass = 0;
}
else {
nn->octave = pn->octave;
lastpitchclass = pn->pitchclass;
scotungetc();
}
for (;;) {
findchar(&c);
if (c == '\'')
nn->octave++;
else if (c == ',')
nn->octave--;
else
break;
}
if (c == 'r') {
ratass(lastnote, curtime);
ratmul(&rattmp, &nn->lastdur, grpmul);
ratadd(curtime, curtime, &rattmp);
ratass(&(*ln)->lastdur, &nn->lastdur);
ratass(&pn->lastdur, &nn->lastdur);
freenote(nn);
break;
}
else {
nn->pitchclass = letterval(c);
if (*octaves) {
c = nn->pitchclass - lastpitchclass;
if (c < -(PITCHCLASSES / 2))
nn->octave++;
else if (c > PITCHCLASSES / 2)
nn->octave--;
}
}
nn->accid = 0;
nn->accmod = FALSE;
for (;;) {
findchar(&c);
if (c == '#') {
nn->accid++;
nn->accmod = TRUE;
}
else if (c == '-') {
nn->accid--;
nn->accmod = TRUE;
}
else if (c == 'n') {
nn->accid = 0;
nn->accmod = TRUE;
}
else
break;
}
if (!nn->accmod)
nn->accid = barkey[nn->pitchclass];
else if (*accidentals)
barkey[nn->pitchclass] = nn->accid;
#ifdef DEBUG
printf(" transpose=%d\n", *transpose);
printf(" octave=%d pitchclass=%d accid=%d transpose=%d pitch=%f\n",
nn->octave, nn->pitchclass, nn->accid, *transpose,
pitchval(nn->octave, nn->pitchclass, nn->accid, *transpose));
#endif
if (c == '_') {
findchar(&c);
if (c == '_') {
nn->tie = TRUE;
nn->slur = 0;
findchar(&c);
}
else {
nn->slur = 1;
nn->tie = FALSE;
}
}
else {
nn->slur = 0;
nn->tie = FALSE;
}
if (pn->slur & 1)
nn->slur += 2;
#ifdef DEBUG
printf(" slur=%d tie=%d\n", nn->slur, nn->tie);
#endif
if (pn->tie) {
ratadd(&rattmp, &pn->start, &pn->dur);
if (ratcmp(&rattmp, curtime))
scoterror(Str("Improper tie"));
if (((nn->octave != pn->octave) ||
(nn->pitchclass != pn->pitchclass) ||
((nn->accid != pn->accid) && (nn->accmod))) &&
(pitchval(nn->octave, nn->pitchclass, nn->accid, *transpose) !=
pitchval(pn->octave, pn->pitchclass, pn->accid, *transpose)))
scoterror(Str("Tie between different pitches"));
ratadd(&pn->dur, &pn->dur, &nn->dur);
ratass(&pn->lastdur, &nn->lastdur);
pn->slur += nn->slur;
pn->tie = nn->tie;
freenote(nn);
nn = pn;
if (c == (char) '[')
scoterror(Str("Warning: params changed on tie"));
}
else {
ps = nn->p = (Strlist *) malloc(sizeof(Strlist));
for (z = 0; z < 4; z++) {
ps->next = (Strlist *) malloc(sizeof(Strlist));
ps = ps->next;
}
ps->next = NULL;
}
ps = nn->p;
sprintf(ps->str, "%.02f", nn->instrum);
ps = ps->next;
sprintf(ps->str, "%g", ratval(&nn->start));
ps = ps->next;
sprintf(ps->str, "%g", ratval(&nn->dur));
ps = ps->next;
sprintf(ps->str, "%d", nn->slur);
ps = ps->next;
sprintf(ps->str, "%.02f",
pitchval(nn->octave, nn->pitchclass, nn->accid, *transpose));
if (c == '[') {
char *pars;
int pnum;
pars = readparams(inst);
#ifdef DEBUG
printf("Params: %s\n", pars);
#endif
z = 0;
pnum = 6;
while (strchr(" \t\r\n", (int) pars[z]))
z++;
for (;;) {
if (pars[z] == (char) ']')
break;
c = 0;
while (!strchr(" \t\r\n:]", (int) pars[z]))
s[c++] = pars[z++];
s[c] = (char) 0;
#ifdef DEBUG
printf("Read: %s\n", s);
#endif
while (strchr(" \t\r\n", (int) pars[z]))
z++;
if (pars[z] == (char) ':') {
pnum = atoi(s);
if (pnum < 6)
scoterror(Str("Parameter number out of range"));
z++;
while (strchr(" \t\r\n", (int) pars[z]))
z++;
continue;
}
#ifdef DEBUG
printf("Param #%d: %s\n", pnum, s);
#endif
if (s[0] == (char) '\'') {
addparam(pnum, &s[1], &nn->p);
addparam(pnum, ".", &nn->carryp);
}
else {
addparam(pnum, s, &nn->p);
addparam(pnum, s, &nn->carryp);
}
pnum++;
}
free(pars);
}
else
scotungetc();
if ((nn != pn) && (!pn->written)) {
#ifdef DEBUG
printf(" doing nextp stuff:\n");
#endif
for (nextpp = (*nextlist); nextpp; nextpp = nextpp->next) {
#ifdef DEBUG
printf(" carrying p%d to p%d?\n", nextpp->src, nextpp->dst);
#endif
if (!strcmp(findparam(nextpp->dst, &pn->carryp), NEXTP)) {
sp = findparam(nextpp->dst, &pn->p);
if (!strcmp(sp, ".")) {
char *sp2;
sp2 = findparam(nextpp->src, &nn->p);
if (!strcmp(sp2, "."))
sp2 = findparam(nextpp->src, &nn->carryp);
strcpy(sp, sp2);
#ifdef DEBUG
printf(" Yes.\n");
#endif
}
}
}
writenote(pn);
}
if ((!(*nextlist)) && (!nn->tie))
writenote(nn);
if (nn != pn) {
if (!pn->written)
scoterror(Str("Lost previous note: not written"));
#ifdef DEBUG
if (pn->next == nn)
printf("* pn->next==nn\n");
#endif
nn->next = pn->next;
#ifdef DEBUG
if (pn2 == nn)
printf("* pn2==nn\n");
#endif
if (pn == *notetop)
*notetop = nn;
else
pn2->next = nn;
freenote(pn);
pn = nn;
#ifdef DEBUG
if (nn->next == nn)
printf("* Circular list created\n");
#endif
}
#ifdef DEBUG
printf(" nn linked into note list\n");
printf(" curtime=%lu/%lu\n", curtime->num, curtime->denom);
printf(" nn->dur=%lu/%lu\n", nn->dur.num, nn->dur.denom);
#endif
*ln = nn;
ratass(lastnote, curtime);
ratmul(&rattmp, &nn->lastdur, grpmul);
ratadd(curtime, curtime, &rattmp);
#ifdef DEBUG
printf(" curtime=%lu/%lu\n", curtime->num, curtime->denom);
printf(" Done with note\n");
#endif
}
}
scotungetc();
}
/*-----------------------------------------------------
Parameters:
Returns value:
Description
------------------------------------------------------*/
IMAGE *
ImageFRead(FILE *fp, const char*fname, int start, int nframes)
{
int ecode, end_frame, frame, count = 1;
IMAGE *I ;
byte *startpix, end = END_UNDEF;
if (!fname)
fname = "ImageFRead" ;
I = (IMAGE *)calloc(1, sizeof(IMAGE)) ;
if (!I)
ErrorExit(ERROR_NO_MEMORY,"ImageFRead: could not allocate header\n") ;
ecode = fread_header(fp, I, fname) ;
if (ecode != HIPS_OK)
ErrorExit(ERROR_NO_FILE, "ImageFRead: fread_header failed (%d)\n",ecode);
if (endian == END_UNDEF)
endian = FindMachineEndian();
if (findparam(I, "endian"))
getparam(I, "endian", PFBYTE, &count, &end);
if (start < 0) /* read all frames */
{
start = 0 ;
nframes = I->num_frame ;
}
else /* read only specified frames */
{
if (fseek(fp, (long)I->sizeimage*(long)start, SEEK_CUR) < 0)
{
ImageFree(&I) ;
ErrorReturn(NULL,
(ERROR_BADFILE,
"ImageFRead(%s, %d) - could not seek to specified frame",
fname, start)) ;
}
}
if (nframes < 0)
nframes = I->num_frame - start + 1 ;
end_frame = start + nframes - 1 ;
if (end_frame >= I->num_frame)
ErrorReturn(NULL,
(ERROR_BADFILE,
"ImageFRead(%s, %d) - frame out of bounds", fname,end_frame));
I->num_frame = nframes ;
if (ImageAllocBuffer(I) != NO_ERROR)
ErrorExit(Gerror, "ImageAllocBuffer failed") ;
startpix = I->image ;
for (frame = start ; frame <= end_frame ; frame++)
{
ecode = fread_image(fp, I, frame, fname) ;
if (ecode != HIPS_OK)
ErrorExit(ERROR_NO_FILE, "ImageFRead: fread_image failed (%d)\n", ecode);
I->image += I->sizeimage ;
}
I->image = startpix ;
/* We only swap endians if there wasn't an endian parameter and the image is
invalid (ie. values in the image seem to be extreme) OR the endian of
the machine does not match the endian of the image */
switch (end)
{
case END_UNDEF:
if (!ImageValid(I))
ImageSwapEndian(I);
break;
case END_BIG:
case END_SMALL:
if (end != endian)
ImageSwapEndian(I);
break;
}
return(I) ;
}
int destroy_cmd(unit * u, struct order *ord)
{
char token[128];
ship *sh;
unit *u2;
region *r = u->region;
const construction *con = NULL;
int size = 0;
const char *s;
int n = INT_MAX;
if (u->number < 1)
return 0;
init_order(ord);
s = gettoken(token, sizeof(token));
if (findparam(s, u->faction->locale) == P_ROAD) {
destroy_road(u, INT_MAX, ord);
return 0;
}
if (s && *s) {
n = atoi((const char *)s);
if (n <= 0) {
cmistake(u, ord, 288, MSG_PRODUCE);
return 0;
}
}
if (getparam(u->faction->locale) == P_ROAD) {
destroy_road(u, n, ord);
return 0;
}
if (u->building) {
building *b = u->building;
if (u != building_owner(b)) {
cmistake(u, ord, 138, MSG_PRODUCE);
return 0;
}
if (fval(b->type, BTF_INDESTRUCTIBLE)) {
cmistake(u, ord, 138, MSG_PRODUCE);
return 0;
}
if (n >= b->size) {
/* destroy completly */
/* all units leave the building */
for (u2 = r->units; u2; u2 = u2->next) {
if (u2->building == b) {
leave_building(u2);
}
}
ADDMSG(&u->faction->msgs, msg_message("destroy", "building unit", b, u));
con = b->type->construction;
remove_building(&r->buildings, b);
}
else {
/* partial destroy */
b->size -= n;
ADDMSG(&u->faction->msgs, msg_message("destroy_partial",
"building unit", b, u));
}
}
else if (u->ship) {
sh = u->ship;
if (u != ship_owner(sh)) {
cmistake(u, ord, 138, MSG_PRODUCE);
return 0;
}
if (fval(r->terrain, SEA_REGION)) {
cmistake(u, ord, 14, MSG_EVENT);
return 0;
}
if (n >= (sh->size * 100) / sh->type->construction->maxsize) {
/* destroy completly */
/* all units leave the ship */
for (u2 = r->units; u2; u2 = u2->next) {
if (u2->ship == sh) {
leave_ship(u2);
}
}
ADDMSG(&u->faction->msgs, msg_message("shipdestroy",
"unit region ship", u, r, sh));
con = sh->type->construction;
remove_ship(&sh->region->ships, sh);
}
else {
/* partial destroy */
sh->size -= (sh->type->construction->maxsize * n) / 100;
ADDMSG(&u->faction->msgs, msg_message("shipdestroy_partial",
"unit region ship", u, r, sh));
}
}
else {
cmistake(u, ord, 138, MSG_PRODUCE);
return 0;
}
if (con) {
/* TODO: Nicht an ZERSTÖRE mit Punktangabe angepaßt! */
int c;
for (c = 0; con->materials[c].number; ++c) {
const requirement *rq = con->materials + c;
int recycle = (rq->number * size / con->reqsize) / 2;
if (recycle) {
change_resource(u, rq->rtype, recycle);
}
}
}
return 0;
}