private void init_ase_frame_header(ref ASE_FRAME_HEADER _h)
{
_h.byte_per_frame = 0;
_h.magic_number = 0;
_h.chunks = 0;
_h.frame_duration = 100;
_h.reserved = new byte[3];
}
private void import_ase(bool _from_wd = false)
{
if (!ase_auto_import_cbx.Checked && _from_wd)
{
return;
}
if (!ase_import_complete)
{
MessageBox.Show("ASE IMPORT NOT FINISHED");
return;
}
ase_import_complete = false;
int byte_read_offset = 0;
byte[] buffer = File.ReadAllBytes(ase_path);
//https://github.com/aseprite/aseprite/blob/master/docs/files/ase.txt
ASE_HEADER file_head = new ASE_HEADER();
init_ase_header(ref file_head);
file_head = (ASE_HEADER)ByteArrayToStruct(buffer, byte_read_offset, typeof(ASE_HEADER));
if (file_head.magic_number != 42464)
{
MessageBox.Show("ASE IMPORT FAILED - MAGIC NUMBER WRONG - AUTO IMPORT DISBALED");
ase_auto_import_cbx.Checked = false;
return;
}
if (file_head.frames <= 0)
{
MessageBox.Show("ASE IMPORT FAILED - NO FRAMES AVARIABLE");
return;
}
ase_parsed_frames.Clear();
byte_read_offset += 128; //pos after file head
for (int frame_head_counter = 0; frame_head_counter < file_head.frames; frame_head_counter++)
{
ASE_FRAME_HEADER current_frame_header = new ASE_FRAME_HEADER();
current_frame_header = (ASE_FRAME_HEADER)ByteArrayToStruct(buffer, byte_read_offset, typeof(ASE_FRAME_HEADER));
byte_read_offset += 16;
if (current_frame_header.magic_number != 61946)
{
MessageBox.Show("ASE IMPORT FAILED - INVALID FRAME DATA");
return;
}
List <ASE_CHUNK> chunks_list = new List <ASE_CHUNK>();
//FOR EACH CHUNK
for (int j = 0; j < current_frame_header.chunks; j++)
{
ASE_CHUNK curr_chunk = new ASE_CHUNK();
curr_chunk.chunk_head = new ASE_CHUNK_HEAD();
//READ CHUNK DATA
curr_chunk.chunk_head = (ASE_CHUNK_HEAD)ByteArrayToStruct(buffer, byte_read_offset, typeof(ASE_CHUNK_HEAD));
//READ CHUNK DATA
curr_chunk.chunk_data = new byte[curr_chunk.chunk_head.chunk_size];
//SWITCH TYPE AND CREARTE TYPE
switch (curr_chunk.chunk_head.chunk_type)
{
case 4:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.OLD_PALETTE;
break;
case 17:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.OLD_PALETTE;
break;
case 8196:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.LAYER;
break;
case 8197:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.CELL;
break;
case 8214:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.MASK;
break;
case 8215:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.PATH;
break;
case 2016:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.FRAME_TAG;
break;
case 8217:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.PALETTE;
break;
case 8224:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.USER_DATA;
break;
default:
curr_chunk.chunk_type = ASE_CHUNK_TYPE.INVLAID;
break;
}
//WRITE BYTES TO DATA BLOB
curr_chunk.chunk_data = new byte[curr_chunk.chunk_head.chunk_size];
for (int i = 0; i < curr_chunk.chunk_head.chunk_size; i++)
{
curr_chunk.chunk_data[i] = buffer[byte_read_offset + i];
}
//SET OFFSET TO NEXT CHUNK START
byte_read_offset += (int)curr_chunk.chunk_head.chunk_size;
//ADD PARSED CHUNK TO LIST
chunks_list.Add(curr_chunk);
}
//SAVE DATA AS NEW COMBINED
ASE_PARSED_PROJECT tmp_frame = new ASE_PARSED_PROJECT();
tmp_frame.frame_id = frame_head_counter;
tmp_frame.frame_info = current_frame_header;
tmp_frame.chunks = chunks_list;
//SAVE IN FRAME STORE
ase_parsed_frames.Add(tmp_frame);
}
ase_import_complete = true;
return;
}
