public int block_reserve_CHRs(int _block_ind, data_sets_manager _data_manager)
{
int CHR_pos = 0;
ushort block_data = 0;
if (_block_ind >= 0)
{
tiles_data data = _data_manager.get_tiles_data(_data_manager.tiles_data_pos);
if (data.block_sum(_block_ind) != 0)
{
if (MainForm.message_box("All the block's CHR links will be replaced!", "Reserve CHRs", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.Cancel)
{
return(-1);
}
}
// reset block's links
for (int i = 0; i < utils.CONST_BLOCK_SIZE; i++)
{
data.blocks[(_block_ind << 2) + i] = 0;
}
int ff_block_ind = data.get_first_free_block_id(false) << 2;
ff_block_ind = ff_block_ind < 4 ? 4:ff_block_ind;
int block_n;
for (int CHR_n = 1; CHR_n < platform_data.get_CHR_bank_max_sprites_cnt(); CHR_n++)
{
if (data.spr8x8_sum(CHR_n) == 0)
{
for (block_n = 4; block_n < ff_block_ind; block_n++)
{
if (tiles_data.get_block_CHR_id(data.blocks[block_n]) == CHR_n)
{
break;
}
}
if (block_n == ff_block_ind || ff_block_ind == 4)
{
data.blocks[(_block_ind << 2) + CHR_pos++] = tiles_data.set_block_CHR_id(CHR_n, block_data);
if (CHR_pos == utils.CONST_BLOCK_SIZE)
{
m_block_editor.set_selected_block(_block_ind, data);
MainForm.set_status_msg(String.Format("Block Editor: Block #{0:X2} data reserved", _block_ind));
return(1);
}
}
}
}
MainForm.message_box("Block Editor: CHR bank is full!", "Reserve Blocks", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
return(-1);
}
public int tile_reserve_blocks(data_sets_manager _data_manager)
{
int block_pos = 0;
int sel_tile = get_selected_tile();
if (sel_tile >= 0)
{
tiles_data data = _data_manager.get_tiles_data(_data_manager.tiles_data_pos);
if (data.tiles[sel_tile] != 0)
{
if (MainForm.message_box("All the tile's block links will be replaced!", "Reserve Blocks", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.Cancel)
{
return(-1);
}
}
bool reserve_blocks_CHRs = false;
if (MainForm.message_box("Reserve CHRs?", "Reserve Blocks", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
reserve_blocks_CHRs = true;
}
// reset tile's links
if (reserve_blocks_CHRs)
{
int block_data_offs;
for (int i = 0; i < utils.CONST_BLOCK_SIZE; i++)
{
block_data_offs = data.get_tile_block(sel_tile, i) << 2;
data.blocks[block_data_offs] = 0;
data.blocks[block_data_offs + 1] = 0;
data.blocks[block_data_offs + 2] = 0;
data.blocks[block_data_offs + 3] = 0;
}
}
data.tiles[sel_tile] = 0;
int ff_tile_ind = data.get_first_free_tile_id(false);
int tile_n;
int block_pos_n;
for (int block_n = 1; block_n < platform_data.get_max_blocks_cnt(); block_n++)
{
if (data.block_sum(block_n) == 0)
{
// check if 'zero' block is busy
for (tile_n = 1; tile_n < ff_tile_ind; tile_n++)
{
for (block_pos_n = 0; block_pos_n < utils.CONST_TILE_SIZE; block_pos_n++)
{
if (data.get_tile_block(tile_n, block_pos_n) == block_n)
{
// 'zero' block is busy
break;
}
}
if (block_pos_n != utils.CONST_TILE_SIZE)
{
// 'zero' block is busy
break;
}
}
// 'zero' block isn't in use OR tiles list is empty
if (tile_n == ff_tile_ind || ff_tile_ind == 0)
{
data.set_tile_block(sel_tile, block_pos++, ( ushort )block_n);
if (reserve_blocks_CHRs)
{
block_reserve_CHRs(block_n, _data_manager);
}
if (block_pos == utils.CONST_TILE_SIZE)
{
m_tile_editor.set_selected_tile(sel_tile, data);
MainForm.set_status_msg(String.Format("Tile Editor: Tile #{0:X2} data reserved", sel_tile));
return(data.get_tile_block(sel_tile, m_tile_editor.get_selected_block_pos()));
}
}
}
}
MainForm.message_box("Tile Editor: Block list is full!", "Reserve Blocks", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
return(-1);
}
