Discover how frames are encoded, use that knowledge to (finally) get the viewport locked in

cmd/view-map/main.go

@@ -28,7 +28,7 @@ var (
 
 type env struct {
 	gameMap *maps.GameMap
-	set     sets.MapSet
+	set     *sets.MapSet
 }
 
 type runState struct {
@@ -159,8 +159,8 @@ func present(win *pixelgl.Window, state *runState) {
 
 	// Draw the boundary
 	rect := pixel.R(
-		float64(gameMap.MinWidth)-1, float64(gameMap.MinLength)-1,
-		float64(gameMap.MaxWidth)+1, float64(gameMap.MaxLength)+1,
+		float64(gameMap.MinWidth)-0.5, float64(gameMap.MinLength)-0.5,
+		float64(gameMap.MaxWidth)+0.5, float64(gameMap.MaxLength)+0.5,
 	)
 
 	imd.Color = pixel.RGB(255, 0, 0)
@@ -210,9 +210,10 @@ func makeColour(cell *maps.Cell, colIdx int) pixel.RGBA {
 		scale = mult(0.004)
 	case 14:
 		scale = mult(0.004)
+	case 15:
+		scale = mult(1.0)
 	default:
 		scale = mult(0.01) // close to maximum resolution, low-value fields will be lost
-
 	}
 
 	col := scale(float64(cell.At(colIdx)))
@@ -290,9 +291,9 @@ func runStep(win *pixelgl.Window, state *runState) *runState {
 		log.Printf("%#v -> %d,%d", vec, x, y)
 		cell := state.env.gameMap.Cells.At(x, y, state.zIdx)
 		log.Printf(
-			"x=%d y=%d z=%d Object0SurfaceArea=%d Object3CenterArea=%d (%s) SquadRelated=%d",
+			"x=%d y=%d z=%d SurfaceTile=%d (%s) SurfaceFrame=%d SquadRelated=%d",
 			x, y, state.zIdx,
-			cell.Object0SurfaceArea, cell.Object3CenterArea, state.env.set.Palette[int(cell.Object3CenterArea)],
+			cell.Surface.Index(), state.env.set.Palette[int(cell.Surface.Index())], cell.Surface.Frame(),
 			cell.SquadRelated,
 		)
 		log.Printf("CellIdx%d=%d. Full cell data: %#v", state.cellIdx, cell.At(state.cellIdx), cell)