v0.1.0 initial commit

types/game.go

@@ -0,0 +1,40 @@
+package types
+
+import (
+	"time"
+
+	"symph/parameter"
+)
+
+// Note represents a single musical note
+type Note struct {
+	Value Value
+
+	// TODO: more properties to be added
+}
+
+// IsEmpty reports whether the Note has no content
+func (n Note) IsEmpty() bool { return n.Value == ValueNone }
+
+// IsWall reports whether the Note is a Wall obstacle
+func (n Note) IsWall() bool { return n.Value == ValueWall }
+
+// Chord represents a 3x3 grid of notes
+type Chord struct {
+	Notes [parameter.GamePlayIndexYMax][parameter.GamePlayIndexXMax]Note // 3x3 grid of notes
+}
+
+type Song struct {
+	Chords []Chord
+}
+
+// PlayerState holds the current playing position and temporal displacement state.
+// Lane (X) position is persistent; row (Y) displacement expires back to BaseIndexY
+type PlayerState struct {
+	ResetTime time.Time // When the current row displacement expires (Zero = no reset)
+
+	PlayIndexY int // Current Y coordinate
+	PlayIndexX int // Current X coordinate
+
+	BaseIndexY int // Resting row (returns here after jump/slide expiry)
+}