Core/Server/tile.go

package main

import "log"

type TileType uint8

const (
	BasicTile TileType = iota
	AnimatedTile
)

type Tile interface {
	Name() string
	Type() TileType

	Symbol() string
	Color() string

	Next()
	Update() []string
	Len() int

	ToMap() map[string]any
}

func TileFromMap(m map[string]any) Tile {
	_, has := m["symbol"]
	_, has_s := m["symbols"]
	if !has_s && !has {
		log.Println("TileFromMap(m map[string]any) Missing 'symbol' or 'symbols'")
		return nil
	}
	_, has_u := m["update"]
	if has && !has_s {
		t := &TileBasic{
			name:   m["name"].(string),
			symbol: m["symbol"].(string),
			color:  m["color"].(string),
		}
		return t
	} else if has_s && !has && has_u {
		syms := []string{}
		for _, s := range m["symbols"].([]any) {
			syms = append(syms, s.(string))
		}
		cols := []string{}
		for _, c := range m["colors"].([]any) {
			cols = append(cols, c.(string))
		}
		ups := []string{}
		for _, u := range m["update"].([]any) {
			ups = append(ups, u.(string))
		}
		t := &TileAnimated{
			name:    m["name"].(string),
			symbols: syms,
			colors:  cols,
			update:  ups,
		}
		return t
	} else {
		log.Printf("TileFromMap(m map[string]any) Unknown Tile Type")
		return nil
	}
}