201 lines
5.5 KiB
Go
201 lines
5.5 KiB
Go
package board
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import (
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"fmt"
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)
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// ────────────────────────────────────────────────────────────────────────────── //
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// FIELD STRUCTURE //
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// ────────────────────────────────────────────────────────────────────────────── //
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type Field struct {
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rows int
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columns int
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blockRows int
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blockColumns int
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blockSizeRow int
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blockSizeColumn int
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cells [][]Cell
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changes []Change
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sha1 []byte
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rating float64
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// GETTER //
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// ────────────────────────────────────────────────────────────────────────────── //
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func (f *Field) GetRow(r int) (*Row, error) {
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if r >= f.rows || r < 0 {
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return nil, outOfBound
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}
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cellPtrs := make([]*Cell, len(f.cells[r]))
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for i := range f.cells[r] {
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cellPtrs[i] = &f.cells[r][i]
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}
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return &Row{
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Line: Line{
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cells: cellPtrs,
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},
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}, nil
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}
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func (f *Field) GetColumn(c int) (*Column, error) {
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if c >= f.columns || c < 0 {
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return nil, outOfBound
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}
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// Performance
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result := &Column{
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Line: Line{
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cells: make([]*Cell, 0, f.rows),
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},
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}
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// Copying
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for _, row := range f.cells {
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result.cells = append(result.cells, &row[c])
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}
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return result, nil
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}
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func (f *Field) GetBlock(r, c int) (*Block, error) {
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if r < 0 || r >= f.blockRows || c < 0 || c >= f.blockColumns {
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return nil, outOfBound
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}
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startRow := r * f.blockSizeRow
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startCol := c * f.blockSizeColumn
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block := &Block{
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cells: make([][]*Cell, f.blockSizeRow),
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}
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for row := range block.cells {
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// Effizientes Kopieren der Zeile
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block.cells[row] = make([]*Cell, f.blockSizeColumn)
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for column := range block.cells[row] {
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block.cells[row][column] = &f.cells[startRow+row][startCol+column]
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}
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}
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return block, nil
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}
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func (f *Field) GetEachPartAtPos(pos *Position) []Part {
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row, err := f.GetRow(pos.row)
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if err != nil {
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return nil
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}
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column, err := f.GetColumn(pos.column)
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if err != nil {
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return nil
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}
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block, err := f.GetBlock(pos.blockRow, pos.blockColumn)
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if err != nil {
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return nil
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}
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return append([]Part{}, row, column, block)
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}
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func (f *Field) GetCell(r, c int) (*Cell, error) {
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if r > f.rows || c > f.columns {
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return nil, outOfBound
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}
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return &f.cells[r][c], nil
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// FOREACH FUNCTIONS //
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// ────────────────────────────────────────────────────────────────────────────── //
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func (f *Field) ForEachPart(fn func(part Part)) {
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f.ForEachRow(func(row *Row) {
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fn(row)
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})
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f.ForEachColumn(func(column *Column) {
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fn(column)
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})
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f.ForEachBlock(func(block *Block) {
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fn(block)
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})
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}
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func (f *Field) ForEachPartAtPos(pos *Position, fn func(part Part)) {
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parts := f.GetEachPartAtPos(pos)
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for _, part := range parts {
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fn(part)
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}
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}
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func (f *Field) ForEachRow(fn func(row *Row)) {
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for i := range f.rows {
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row, err := f.GetRow(i)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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fn(row)
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}
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}
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func (f *Field) ForEachColumn(fn func(column *Column)) {
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for i := range f.columns {
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column, err := f.GetColumn(i)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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fn(column)
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}
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}
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func (f *Field) ForEachBlock(fn func(block *Block)) {
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for r := range f.blockRows {
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for c := range f.blockColumns {
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block, err := f.GetBlock(r, c)
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if err != nil {
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fmt.Println(err.Error())
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return
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}
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fn(block)
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}
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}
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}
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func (f *Field) ForEachCell(fn func(cell *Cell)) {
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for _, row := range f.cells {
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for _, cell := range row {
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fn(&cell)
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}
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}
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}
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// ────────────────────────────────────────────────────────────────────────────── //
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// MODIFIER //
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// ────────────────────────────────────────────────────────────────────────────── //
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func (f *Field) AddChange(eChange *ExternalChange) {
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change := Change{
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Cell: eChange.Cell,
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marks: eChange.Marks,
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action: eChange.Action,
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value: eChange.Value,
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from: eChange.From,
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triggerdBy: eChange.TriggerdBy,
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}
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change.do()
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f.changes = append(f.changes, change)
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}
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