v0.1.0 initial commit

cmd/symph-raylib/main.go

@@ -0,0 +1,91 @@
+//go:build linux
+
+package main
+
+import (
+	"time"
+
+	rl "github.com/gen2brain/raylib-go/raylib"
+
+	"symph/audio"
+	"symph/game"
+	"symph/input"
+	raylibrender "symph/render/raylib"
+)
+
+const (
+	defaultScreenW = 800
+	defaultScreenH = 600
+)
+
+func main() {
+	rl.SetConfigFlags(rl.FlagWindowResizable | rl.FlagVsyncHint)
+	rl.InitWindow(defaultScreenW, defaultScreenH, "Symph")
+	defer rl.CloseWindow()
+
+	rl.SetTargetFPS(60)
+
+	state := game.New()
+	sfx := audio.NewMuter(audio.NewEngine())
+	defer sfx.Close()
+	renderer := raylibrender.NewRenderer(state)
+
+	for !rl.WindowShouldClose() {
+		now := time.Now()
+
+		// Modifier state is polled, not queued
+		ctrl := rl.IsKeyDown(rl.KeyLeftControl) || rl.IsKeyDown(rl.KeyRightControl)
+
+		for {
+			k := rl.GetKeyPressed()
+			if k == 0 {
+				break
+			}
+			if k == rl.KeyS && ctrl {
+				renderer.Muted = sfx.Toggle()
+				continue
+			}
+			if ik := keyFromRaylib(k); ik != input.KeyNone {
+				state.Dispatch(input.Translate(ik), now)
+			}
+		}
+
+		state.Update(now)
+		for _, ge := range state.DrainEvents() {
+			sfx.Play(audio.MapGameEvent(ge))
+		}
+
+		rl.BeginDrawing()
+		renderer.Draw(int32(rl.GetScreenWidth()), int32(rl.GetScreenHeight()), now)
+		rl.EndDrawing()
+	}
+}
+
+// keyFromRaylib translates a raylib keycode to a platform-neutral input.Key
+func keyFromRaylib(k int32) input.Key {
+	switch k {
+	case rl.KeyH:
+		return input.KeyH
+	case rl.KeyJ:
+		return input.KeyJ
+	case rl.KeyK:
+		return input.KeyK
+	case rl.KeyL:
+		return input.KeyL
+	case rl.KeySemicolon:
+		return input.KeySemicolon
+	case rl.KeyA:
+		return input.KeyA
+	case rl.KeyS:
+		return input.KeyS
+	case rl.KeyD:
+		return input.KeyD
+	case rl.KeyF:
+		return input.KeyF
+	case rl.KeySpace:
+		return input.KeySpace
+	case rl.KeyEnter, rl.KeyKpEnter:
+		return input.KeyEnter
+	}
+	return input.KeyNone
+}