Dynamic menus

1 files changed, 71 insertions, 0 deletions

diff --git a/engine/Dynamic/DynamicMenu.go b/engine/Dynamic/DynamicMenu.go
new file mode 100644
index 0000000..a1f3cd0
--- /dev/null
+++ b/engine/Dynamic/DynamicMenu.go
@@ -0,0 +1,71 @@
+package dynamic
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	coreobjects "github.com/DegustatorPonos/RuinesOfRafdolon/CoreObjects"
+	descriptors "github.com/DegustatorPonos/RuinesOfRafdolon/Dynamic/Descriptors"
+	ui "github.com/DegustatorPonos/RuinesOfRafdolon/UI"
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+// Represents a menu variant that is loaded from a file
+type DynamicMenu struct {
+	FileLocation string
+	baseMenu *ui.Menu
+}
+
+func (base *DynamicMenu) Create(manager *coreobjects.SceneManager) {
+	var err = base.LoadMenu()
+	if err != nil {
+		rl.TraceLog(rl.LogWarning, "Failed to load the menu from the file %v: %v", base.FileLocation, err.Error())
+		base.baseMenu = &ui.Menu { 
+			Contents: &ui.Void{},
+		}
+	}
+	base.baseMenu.Create(manager)
+}
+
+func (base *DynamicMenu) Destroy() {
+	base.baseMenu.Destroy()
+}
+
+func (base *DynamicMenu) Update() {
+	base.baseMenu.Update()
+}
+
+func (base *DynamicMenu) Draw() {
+	base.baseMenu.Draw()
+}
+
+func (base *DynamicMenu) GetMousePosition() rl.Vector2 {
+	return rl.GetMousePosition()
+}
+
+func (base *DynamicMenu) String() string {
+	var outp, jsonErr = json.Marshal(base)
+	if jsonErr != nil {
+		return fmt.Sprintf("Failed to parse: %s", jsonErr.Error())
+	}
+	return string(outp)
+}
+
+// Loads the menu from the file. Does not initialize it
+func (base *DynamicMenu) LoadMenu() error {
+	var file, fErr = os.ReadFile(base.FileLocation)
+	if fErr != nil {
+		return fErr
+	}
+	var descriptor = descriptors.MenuDescriptor{}
+	if jsonErr := json.Unmarshal(file, &descriptor); jsonErr != nil {
+		return jsonErr
+	}
+	var parsed, parseErr = descriptor.Parse()
+	if parseErr != nil {
+		return parseErr
+	}
+	base.baseMenu = parsed
+	return nil
+}