/**
* @brief Write the frames of a .ani file out to disk as .pcx files.
* @details Use naming convention: filename0000.pcx, filename0001.pcx etc.
*
* @return If success 0, or if failed -1
*/
int anim_write_frames_out(char *filename)
{
anim *source_anim;
anim_instance *ai;
char root_name[256], pcxname[256];
char buf[64];
int i,j;
ubyte **row_data;
strcpy_s(root_name, filename);
root_name[strlen(filename)-4] = 0;
source_anim = anim_load(filename);
if ( source_anim == NULL )
return -1;
ai = init_anim_instance(source_anim, 16);
row_data = (ubyte**)vm_malloc((source_anim->height+1) * 4);
for ( i = 0; i < source_anim->total_frames; i++ ) {
anim_get_next_raw_buffer(ai, 0, 0, 16);
strcpy_s(pcxname, root_name);
sprintf(buf,"%04d",i);
strcat_s(pcxname, buf);
for ( j = 0; j < source_anim->height; j++ ) {
row_data[j] = &ai->frame[j*source_anim->width];
}
pcx_write_bitmap( pcxname,
source_anim->width,
source_anim->height,
row_data,
source_anim->palette);
printf(".");
}
printf("\n");
vm_free(row_data);
return 0;
}
int generic_anim_stream(generic_anim *ga, const bool cache)
{
CFILE *img_cfp = NULL;
int anim_fps = 0;
char full_path[MAX_PATH];
int size = 0, offset = 0;
const int NUM_TYPES = 3;
const ubyte type_list[NUM_TYPES] = {BM_TYPE_EFF, BM_TYPE_ANI, BM_TYPE_PNG};
const char *ext_list[NUM_TYPES] = {".eff", ".ani", ".png"};
int rval = -1;
int bpp;
ga->type = BM_TYPE_NONE;
rval = cf_find_file_location_ext(ga->filename, NUM_TYPES, ext_list, CF_TYPE_ANY, sizeof(full_path) - 1, full_path, &size, &offset, 0);
// could not be found, or is invalid for some reason
if ( (rval < 0) || (rval >= NUM_TYPES) )
return -1;
//make sure we can open it
img_cfp = cfopen_special(full_path, "rb", size, offset, CF_TYPE_ANY);
if (img_cfp == NULL) {
return -1;
}
strcat_s(ga->filename, ext_list[rval]);
ga->type = type_list[rval];
//seek to the end
cfseek(img_cfp, 0, CF_SEEK_END);
cfclose(img_cfp);
if(ga->type == BM_TYPE_ANI) {
bpp = ANI_BPP_CHECK;
if(ga->use_hud_color)
bpp = 8;
if (ga->ani.animation == nullptr) {
ga->ani.animation = anim_load(ga->filename, CF_TYPE_ANY, 0);
}
if (ga->ani.instance == nullptr) {
ga->ani.instance = init_anim_instance(ga->ani.animation, bpp);
}
#ifndef NDEBUG
// for debug of ANI sizes
strcpy_s(ga->ani.animation->name, ga->filename);
#endif
ga->num_frames = ga->ani.animation->total_frames;
anim_fps = ga->ani.animation->fps;
ga->height = ga->ani.animation->height;
ga->width = ga->ani.animation->width;
ga->buffer = ga->ani.instance->frame;
ga->bitmap_id = bm_create(bpp, ga->width, ga->height, ga->buffer, (bpp==8)?BMP_AABITMAP:0);
ga->ani.instance->last_bitmap = -1;
ga->ani.instance->file_offset = ga->ani.animation->file_offset;
ga->ani.instance->data = ga->ani.animation->data;
ga->previous_frame = -1;
}
else if (ga->type == BM_TYPE_PNG) {
if (ga->png.anim == nullptr) {
try {
ga->png.anim = new apng::apng_ani(ga->filename, cache);
}
catch (const apng::ApngException& e) {
mprintf(("Failed to load apng: %s\n", e.what() ));
delete ga->png.anim;
ga->png.anim = nullptr;
return -1;
}
nprintf(("apng", "apng read OK (%ix%i@%i) duration (%f)\n", ga->png.anim->w, ga->png.anim->h,
ga->png.anim->bpp, ga->png.anim->anim_time));
}
ga->png.anim->goto_start();
ga->current_frame = 0;
ga->png.previous_frame_time = 0.0f;
ga->num_frames = ga->png.anim->nframes;
ga->height = ga->png.anim->h;
ga->width = ga->png.anim->w;
ga->previous_frame = -1;
ga->buffer = ga->png.anim->frame.data.data();
ga->bitmap_id = bm_create(ga->png.anim->bpp, ga->width, ga->height, ga->buffer, 0);
}
else {
bpp = 32;
if(ga->use_hud_color)
bpp = 8;
bm_load_and_parse_eff(ga->filename, CF_TYPE_ANY, &ga->num_frames, &anim_fps, &ga->keyframe, 0);
char *p = strrchr( ga->filename, '.' );
if ( p )
*p = 0;
char frame_name[MAX_FILENAME_LEN];
snprintf(frame_name, MAX_FILENAME_LEN, "%s_0000", ga->filename);
ga->bitmap_id = bm_load(frame_name);
if(ga->bitmap_id < 0) {
mprintf(("Cannot find first frame for eff streaming. eff Filename: %s", ga->filename));
return -1;
}
snprintf(frame_name, MAX_FILENAME_LEN, "%s_0001", ga->filename);
ga->eff.next_frame = bm_load(frame_name);
bm_get_info(ga->bitmap_id, &ga->width, &ga->height);
ga->previous_frame = 0;
}
// keyframe info
if (ga->type == BM_TYPE_ANI) {
//we only care if there are 2 keyframes - first frame, other frame to jump to for ship/weapons
//mainhall door anis hav every frame as keyframe, so we don't care
//other anis only have the first frame
if(ga->ani.animation->num_keys == 2) {
int key1 = ga->ani.animation->keys[0].frame_num;
int key2 = ga->ani.animation->keys[1].frame_num;
if (key1 < 0 || key1 >= ga->num_frames) key1 = -1;
if (key2 < 0 || key2 >= ga->num_frames) key2 = -1;
// some retail anis have their keyframes reversed
// and some have their keyframes out of bounds
if (key1 >= 0 && key1 >= key2) {
ga->keyframe = ga->ani.animation->keys[0].frame_num;
ga->keyoffset = ga->ani.animation->keys[0].offset;
}
else if (key2 >= 0 && key2 >= key1) {
ga->keyframe = ga->ani.animation->keys[1].frame_num;
ga->keyoffset = ga->ani.animation->keys[1].offset;
}
}
}
ga->streaming = 1;
if (ga->type == BM_TYPE_PNG) {
ga->total_time = ga->png.anim->anim_time;
}
else {
if (anim_fps == 0) {
Error(LOCATION, "animation (%s) has invalid fps of zero, fix this!", ga->filename);
}
ga->total_time = ga->num_frames / (float) anim_fps;
}
ga->done_playing = 0;
ga->anim_time = 0.0f;
return 0;
}
