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package dynamic
import (
"encoding/json"
"fmt"
"os"
components "github.com/DegustatorPonos/RuinesOfRafdolon/Components"
descriptors "github.com/DegustatorPonos/RuinesOfRafdolon/Dynamic/Descriptors"
settings "github.com/DegustatorPonos/RuinesOfRafdolon/Settings"
utils "github.com/DegustatorPonos/RuinesOfRafdolon/Utils"
rl "github.com/gen2brain/raylib-go/raylib"
)
// The defenition of the package
type PackageDescription struct {
Name string `json:"name"`
Version uint64 `json:"version"`
Type string `json:"type"`
MinimumVersion *settings.AppVersion
MaximumVersion *settings.AppVersion
}
func (base *PackageDescription) IsValid() error {
if base.Name == "" {
return fmt.Errorf("Invalid package descriptor: the name cannot be empty")
}
if base.Version == 0 {
return fmt.Errorf("Invalid package descriptor: the version cannot be 0")
}
if base.MinimumVersion == nil {
return fmt.Errorf("Invalid package descriptor: The package must specify the minimal version")
}
if !base.MinimumVersion.IsCompatible() || (base.MaximumVersion != nil && !base.MaximumVersion.IsLessThan(&settings.Current.Version)){
return fmt.Errorf("Invalid package descriptor: The package is made for the newer or older version")
}
return nil
}
// The dynamic collection of the things
type Package struct {
Description PackageDescription
Textures *descriptors.TexturesDescriptor
Worlds map[string]*descriptors.WorldDescriptor
location string
}
func (base *Package) String() string {
var outp, jsonErr = json.Marshal(base)
if jsonErr != nil {
return fmt.Sprintf("Failed to parse settings: %s", jsonErr.Error())
}
return string(outp)
}
func ReadPackage(dir os.DirEntry) (*Package, error) {
var dirPath = utils.JoinFileLocation(settings.Current.PackagesLocation, dir.Name())
var desc = PackageDescription{}
if descErr := ReadValidJSONfromFile(utils.JoinFileLocation(dirPath, "Description.json"), &desc); descErr != nil {
return nil, descErr
}
return &Package{
Description: desc,
}, nil
}
func loadAssetsFromDir[T Validatable](dirLocation string, InitializeFunc func()T) ([]T, error) {
var files, err = os.ReadDir(dirLocation)
if err != nil {
return nil, err
}
var outp = make([]T, 0)
for _, v := range files {
var new = InitializeFunc()
var loadErr = ReadValidJSONfromFile(utils.JoinFileLocation(dirLocation, v.Name()), new)
if loadErr != nil {
rl.TraceLog(rl.LogWarning, "Failed to load the asset %s: %s", v.Name(), loadErr)
continue
}
outp = append(outp, new)
}
return outp, nil
}
func (base *Package) ReadTextures() {
var textures = &descriptors.TexturesDescriptor{}
var texturesLocation = utils.JoinFileLocation(base.location, descriptors.TexturesDescriptorDirectoryName)
var loadErr = utils.ReadJSONfromFile(utils.JoinFileLocation(texturesLocation, descriptors.TexturesDescriptorFileName), textures)
if loadErr != nil {
rl.TraceLog(rl.LogWarning, "Failed to load texture description from the module %s: %s", base.location, loadErr)
} else {
base.Textures = textures
}
}
// Loads textures in the resource manager
func (base *Package) LoadTextures() {
for _, v := range base.Textures.Avaliable {
var location = base.Textures.GetTexturePath(base.location, v)
var displayName = fmt.Sprintf("%v/%v", base.Description.Name, v)
components.Resources.Textures.LoadTexture(location, displayName)
}
}
func (base *Package) ReadWorlds() {
if base.Description.Type != "story" {
return
}
var worlds, loadErr = loadWorldsFromDir(utils.JoinFileLocation(base.location, "Worlds"))
if loadErr != nil {
rl.TraceLog(rl.LogWarning, "Failed to load world from the module %s: %s", base.location, loadErr)
} else {
base.Worlds = worlds
}
}
func (base *Package) LoadWorlds() {
if base.Description.Type != "story" {
return
}
for _, v := range base.Worlds {
var parsed = v.Parse()
components.Resources.Worlds[v.Name] = &parsed
}
}
func loadWorldsFromDir(dirLocation string) (map[string]*descriptors.WorldDescriptor, error) {
var loaded, err = loadAssetsFromDir(dirLocation, func() *descriptors.WorldDescriptor{ return &descriptors.WorldDescriptor{} })
if err != nil {
return nil, err
}
return descriptors.MapWorldDescriptors(loaded), nil
}
// Deprecated
func loadTilesFromDir(dirLocation string) (map[uint64]*descriptors.TileDescriptor, error) {
var loaded, err = loadAssetsFromDir(dirLocation, func() *descriptors.TileDescriptor{ return &descriptors.TileDescriptor{} })
if err != nil {
return nil, err
}
return descriptors.MapTileDescriptors(loaded), nil
}
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