80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
package doodads
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import (
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"git.kirsle.net/apps/doodle/pkg/balance"
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"git.kirsle.net/apps/doodle/pkg/level"
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"git.kirsle.net/apps/doodle/pkg/log"
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"git.kirsle.net/go/render"
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)
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// Doodad is a reusable component for Levels that have scripts and graphics.
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type Doodad struct {
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level.Base
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Filename string `json:"-"` // used internally, not saved in json
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Hidden bool `json:"hidden,omitempty"`
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Palette *level.Palette `json:"palette"`
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Script string `json:"script"`
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Hitbox render.Rect `json:"hitbox"`
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Layers []Layer `json:"layers"`
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Tags map[string]string `json:"data"` // arbitrary key/value data storage
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}
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// Layer holds a layer of drawing data for a Doodad.
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type Layer struct {
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Name string `json:"name"`
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Chunker *level.Chunker `json:"chunks"`
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}
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// New creates a new Doodad.
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func New(size int) *Doodad {
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if size == 0 {
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size = balance.DoodadSize
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}
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return &Doodad{
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Base: level.Base{
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Version: 1,
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},
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Palette: level.DefaultPalette(),
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Hitbox: render.NewRect(size, size),
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Layers: []Layer{
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{
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Name: "main",
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Chunker: level.NewChunker(size),
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},
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},
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Tags: map[string]string{},
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}
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}
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// Tag gets a value from the doodad's tags.
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func (d *Doodad) Tag(name string) string {
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if v, ok := d.Tags[name]; ok {
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return v
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}
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log.Warn("Doodad(%s).Tag(%s): tag not defined", d.Title, name)
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return ""
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}
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// ChunkSize returns the chunk size of the Doodad's first layer.
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func (d *Doodad) ChunkSize() int {
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return d.Layers[0].Chunker.Size
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}
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// Rect returns a rect of the ChunkSize for scaling a Canvas widget.
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func (d *Doodad) Rect() render.Rect {
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var size = d.ChunkSize()
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return render.Rect{
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W: size,
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H: size,
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}
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}
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// Inflate attaches the pixels to their swatches after loading from disk.
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func (d *Doodad) Inflate() {
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d.Palette.Inflate()
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for _, layer := range d.Layers {
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layer.Chunker.Inflate(d.Palette)
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}
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}
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