/
config.go
65 lines (57 loc) · 1.16 KB
/
config.go
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package main
import (
"github.com/krig/Go-SDL2/sdl"
"os"
"io"
"log"
"strconv"
"encoding/json"
)
type Config struct {
data map[string]string
}
func NewConfig(filename string) *Config {
cfg := &Config{}
cfg.data = make(map[string]string)
file, err := os.Open(filename)
if err != nil {
log.Fatal(err)
}
defer file.Close()
dec := json.NewDecoder(file)
for {
var value [2]string
if err := dec.Decode(&value); err == io.EOF {
break
} else if err != nil {
log.Fatal(err)
}
cfg.data[value[0]] = value[1]
}
return cfg
}
func (cfg *Config) String(key string) string {
return cfg.data[key]
}
func (cfg *Config) Color(key string) sdl.Color {
i, err := strconv.ParseInt(cfg.data[key], 0, 0)
if err != nil {
log.Fatal(err)
}
return hexcolor(uint32(i))
}
func (cfg *Config) Texture(rend *sdl.Renderer, key string) *sdl.Texture {
surface := sdl.Load(cfg.data[key])
if surface == nil {
log.Fatal("Failed to load " + cfg.data[key])
}
defer surface.Free()
return rend.CreateTextureFromSurface(surface)
}
func (cfg *Config) Int(key string) int {
i, err := strconv.ParseInt(cfg.data[key], 0, 0)
if err != nil {
log.Fatal(err)
}
return int(i)
}