Draft: poop

models/state.go

@@ -0,0 +1,81 @@
+package models
+
+import "fmt"
+
+const (
+	BlockNull byte = '0'
+	BlockI    byte = 'I'
+	BlockJ    byte = 'J'
+	BlockL    byte = 'L'
+	BlockO    byte = 'O'
+	BlockS    byte = 'S'
+	BlockT    byte = 'T'
+	BlockZ    byte = 'Z'
+)
+
+const (
+	RowCnt int = 20
+	ColCnt int = 10
+)
+
+type BlockState struct {
+	Block byte `json:"b"`
+	PosX  int  `json:"x"`
+	PosY  int  `json:"y"`
+}
+
+type ActiveBlockState struct {
+	*BlockState `json:",inline"`
+
+	Direc int `json:"d"`
+}
+
+type CompressedGameState struct {
+	UserId int
+	Tick   int
+	Score  int
+	Level  int
+
+	RLE    string
+	Active ActiveBlockState
+}
+
+type GameState struct {
+	UserId int
+	Tick   int
+	Score  int
+	Level  int
+
+	Blocks [RowCnt][ColCnt]BlockState
+	Active ActiveBlockState
+}
+
+func (self CompressedGameState) Uncompress() (GameState, error) {
+	var cnt int = 0
+	var ch byte = '0'
+	var blocks [RowCnt][ColCnt]BlockState
+	for x := range blocks {
+		for y := range blocks[x] {
+			if cnt <= 0 {
+				_, err := fmt.Sscanf(self.RLE, "%d%c", &cnt, &ch)
+				if err != nil {
+					return GameState{}, err
+				}
+			}
+			blocks[x][y] = BlockState{
+				Block: ch,
+				PosX:  x,
+				PosY:  y,
+			}
+		}
+	}
+
+	return GameState{
+		UserId: self.UserId,
+		Tick:   self.Tick,
+		Score:  self.Score,
+		Level:  self.Level,
+		Blocks: blocks,
+		Active: self.Active,
+	}, nil
+}