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package dynamic
import (
"encoding/json"
"fmt"
"os"
"strings"
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 *settings.AppVersion `json:"version"`
Type string `json:"type"`
MinimumGameVersion *settings.AppVersion
MaximumGameVersion *settings.AppVersion
}
func (base *PackageDescription) IsValid() error {
if base.Name == "" {
return fmt.Errorf("Invalid package descriptor: the name cannot be empty")
}
if !base.Version.IsValid() {
return fmt.Errorf("Invalid package descriptor: the version cannot be 0")
}
if base.MinimumGameVersion == nil {
return fmt.Errorf("Invalid package descriptor: The package must specify the minimal version")
}
if !base.MinimumGameVersion.IsCompatible() || (base.MaximumGameVersion != nil && !base.MaximumGameVersion.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
Objects map[string]*descriptors.ObjectDescriptor
Worlds map[string]*descriptors.WorldDescriptor
// Dynamic menus don't have descriptors - they self-reload
Menus map[string]*DynamicMenu
location string
}
func (base *Package) String() string {
var outp, jsonErr = json.Marshal(base)
if jsonErr != nil {
return fmt.Sprintf("Failed to parse package: %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
}
// Loads package in the memory
func (base *Package) Load() {
// Do not change the order - it will break inner dependencies
base.LoadTextures()
base.LoadObjects()
base.LoadWorlds()
base.LoadMenus()
}
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)
}
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, descriptors.WorldsDirName))
if loadErr != nil {
rl.TraceLog(rl.LogWarning, "Failed to load world from the module %s: %s", base.location, loadErr)
} else {
base.Worlds = worlds
}
}
// Loads worlds in the resource manager
func (base *Package) LoadWorlds() {
if base.Description.Type != "story" {
return
}
for _, v := range base.Worlds {
var parsed = v.Parse()
components.Resources.Scenes[v.Name] = &parsed
}
}
func (base *Package) ReadObjects() {
var loaded, err = loadObjectsFromDir(utils.JoinFileLocation(base.location, descriptors.ObjectsDirName))
if err != nil {
rl.TraceLog(rl.LogWarning, "Failed to load objects from the module %s: %s", base.location, err)
return
}
base.Objects = loaded
}
// Loads objects in the resource manager
func (base *Package) LoadObjects() {
rl.TraceLog(rl.LogInfo, "%s", base.Objects)
for _, v := range base.Objects {
var parsed = v.Parse()
var err = components.Resources.RegisterObject(base.Description.Name, v.Name, &parsed)
if err != nil {
rl.TraceLog(rl.LogWarning, "Failed to register object %s: %s", v.Name, err.Error())
}
}
}
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
}
func loadObjectsFromDir(dir string) (map[string]*descriptors.ObjectDescriptor, error) {
var loaded, err = loadAssetsFromDir(dir, func() *descriptors.ObjectDescriptor {
return &descriptors.ObjectDescriptor {}
})
if err != nil {
return nil, err
}
return descriptors.MapObjectDescriptors(loaded), nil
}
func (base *Package) ReadMenus() {
var loaded, err = loadMenusFromDir(utils.JoinFileLocation(base.location, MenusDirName))
if err != nil {
rl.TraceLog(rl.LogWarning, "Failed to load menus from the module %s: %s", base.location, err)
return
}
base.Menus = loaded
}
func loadMenusFromDir(dir string) (map[string]*DynamicMenu, error) {
var files, err = os.ReadDir(dir)
if err != nil {
return nil, err
}
var outp = make(map[string]*DynamicMenu)
for _, v := range files {
if v.IsDir() {
rl.TraceLog(rl.LogWarning, "Failed to load menu %s: the file is a directory", v.Name())
continue
}
var menuName = strings.TrimSuffix(v.Name(), ".json")
outp[menuName] = &DynamicMenu{
FileLocation: utils.JoinFileLocation(dir, v.Name()),
}
}
return outp, nil
}
func (base *Package) LoadMenus() {
for k, v := range base.Menus {
components.Resources.Scenes[fmt.Sprintf("%s/%s", base.Description.Name, k)] = v
}
}
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