Noah Petherbridge
f76ba6fbb7
* Add some encoding/decoding functions for binary msgpack format for levels and doodads. Currently it writes msgpack files that can be decoded and printed by Python (mp2json.py) but it can't re-read from the binary format. For now, levels will continue to write in JSON format. * Add filesystem abstraction functions to the balance/ package to search multiple paths to find Levels and Doodads, to make way for system-level doodads.
113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
package level
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import (
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"encoding/json"
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"fmt"
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"git.kirsle.net/apps/doodle/lib/render"
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"git.kirsle.net/apps/doodle/pkg/balance"
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)
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// Useful variables.
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var (
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DefaultWallpaper = "notebook.png"
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)
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// Base provides the common struct keys that are shared between Levels and
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// Doodads.
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type Base struct {
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Version int `json:"version" msgpack:"0"` // File format version spec.
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GameVersion string `json:"gameVersion" msgpack:"1"` // Game version that created the level.
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Title string `json:"title" msgpack:"2"`
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Author string `json:"author" msgpack:"3"`
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// Every drawing type is able to embed other files inside of itself.
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Files FileSystem `json:"files" msgpack:"4"`
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}
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// Level is the container format for Doodle map drawings.
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type Level struct {
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Base
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Password string `json:"passwd" msgpack:"10"`
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Locked bool `json:"locked" msgpack:"11"`
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// Chunked pixel data.
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Chunker *Chunker `json:"chunks" msgpack:"12"`
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// The Palette holds the unique "colors" used in this map file, and their
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// properties (solid, fire, slippery, etc.)
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Palette *Palette `json:"palette" msgpack:"13"`
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// Page boundaries and wallpaper settings.
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PageType PageType `json:"pageType" msgpack:"14"`
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MaxWidth int64 `json:"boundedWidth" msgpack:"15"` // only if bounded or bordered
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MaxHeight int64 `json:"boundedHeight" msgpack:"16"`
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Wallpaper string `json:"wallpaper" msgpack:"17"`
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// Actors keep a list of the doodad instances in this map.
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Actors ActorMap `json:"actors" msgpack:"18"`
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}
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// New creates a blank level object with all its members initialized.
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func New() *Level {
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return &Level{
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Base: Base{
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Version: 1,
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},
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Chunker: NewChunker(balance.ChunkSize),
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Palette: &Palette{},
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Actors: ActorMap{},
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PageType: NoNegativeSpace,
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Wallpaper: DefaultWallpaper,
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MaxWidth: 2550,
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MaxHeight: 3300,
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}
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}
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// Pixel associates a coordinate with a palette index.
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type Pixel struct {
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X int32 `json:"x"`
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Y int32 `json:"y"`
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PaletteIndex int32 `json:"p"`
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// Private runtime values.
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Swatch *Swatch `json:"-"` // pointer to its swatch, for when rendered.
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}
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func (p Pixel) String() string {
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return fmt.Sprintf("Pixel<%s '%s' (%d,%d)>", p.Swatch.Color, p.Swatch.Name, p.X, p.Y)
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}
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// Point returns the pixel's point.
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func (p Pixel) Point() render.Point {
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return render.Point{
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X: p.X,
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Y: p.Y,
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}
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}
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// MarshalJSON serializes a Pixel compactly as a simple list.
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func (p Pixel) MarshalJSON() ([]byte, error) {
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return []byte(fmt.Sprintf(
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`[%d, %d, %d]`,
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p.X, p.Y, p.PaletteIndex,
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)), nil
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}
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// UnmarshalJSON loads a Pixel from JSON again.
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func (p *Pixel) UnmarshalJSON(text []byte) error {
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var triplet []int32
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err := json.Unmarshal(text, &triplet)
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if err != nil {
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return err
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}
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p.X = triplet[0]
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p.Y = triplet[1]
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if len(triplet) > 2 {
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p.PaletteIndex = triplet[2]
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}
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return nil
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}
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