Torjus Håkestad
62de222488
Full-screen Tetris game using Bubbletea with title screen, ghost piece, lock delay, NES-style scoring, configurable difficulty (easy/normal/hard), and honeypot event logging. Bumps version to 0.17.0. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
package tetris
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import "github.com/charmbracelet/lipgloss"
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// pieceType identifies a tetromino (0–6).
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type pieceType int
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const (
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pieceI pieceType = iota
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pieceO
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pieceT
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pieceS
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pieceZ
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pieceJ
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pieceL
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)
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const numPieceTypes = 7
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// Standard Tetris colors.
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var pieceColors = [numPieceTypes]lipgloss.Color{
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lipgloss.Color("#00FFFF"), // I — cyan
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lipgloss.Color("#FFFF00"), // O — yellow
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lipgloss.Color("#AA00FF"), // T — purple
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lipgloss.Color("#00FF00"), // S — green
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lipgloss.Color("#FF0000"), // Z — red
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lipgloss.Color("#0000FF"), // J — blue
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lipgloss.Color("#FF8800"), // L — orange
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}
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// Each piece has 4 rotations, each rotation is a list of (row, col) offsets
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// relative to the piece origin.
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type rotation [4][2]int
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var pieces = [numPieceTypes][4]rotation{
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// I
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{
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{0, 3}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{3, 0}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{0, 3}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{3, 0}},
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},
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// O
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{
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}},
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},
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// T
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{
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{1, 1}},
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{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
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{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
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},
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// S
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{
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{[2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
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{[2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 1}},
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},
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// Z
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{
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{1, 2}},
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{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 0}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{1, 2}},
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{[2]int{0, 1}, [2]int{1, 0}, [2]int{1, 1}, [2]int{2, 0}},
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},
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// J
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{
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 0}, [2]int{2, 0}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 2}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{2, 1}},
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},
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// L
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{
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{[2]int{0, 2}, [2]int{1, 0}, [2]int{1, 1}, [2]int{1, 2}},
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{[2]int{0, 0}, [2]int{1, 0}, [2]int{2, 0}, [2]int{2, 1}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{0, 2}, [2]int{1, 0}},
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{[2]int{0, 0}, [2]int{0, 1}, [2]int{1, 1}, [2]int{2, 1}},
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},
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}
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// spawnCol returns the starting column for a piece, centering it on the board.
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func spawnCol(pt pieceType, rot int) int {
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shape := pieces[pt][rot]
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minC, maxC := shape[0][1], shape[0][1]
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for _, off := range shape {
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if off[1] < minC {
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minC = off[1]
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}
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if off[1] > maxC {
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maxC = off[1]
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}
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}
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width := maxC - minC + 1
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return (boardCols - width) / 2
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}
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