73 lines
2.6 KiB
Go
73 lines
2.6 KiB
Go
package packbuilder
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import (
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"strings"
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"github.com/df-mc/dragonfly/server/item/category"
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"golang.org/x/exp/maps"
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)
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// ComponentBuilder represents a builder that can be used to construct an item components map to be sent to a client.
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type ComponentBuilder struct {
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name string
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identifier string
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category category.Category
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properties map[string]any
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components map[string]any
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}
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// NewComponentBuilder returns a new component builder with the provided item data.
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func NewComponentBuilder(name, identifier string, category category.Category) *ComponentBuilder {
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return &ComponentBuilder{
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name: name,
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identifier: identifier,
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category: category,
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properties: make(map[string]any),
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components: make(map[string]any),
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}
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}
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// AddProperty adds the provided property to the builder.
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func (builder *ComponentBuilder) AddProperty(name string, value any) {
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builder.properties[name] = value
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}
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// AddComponent adds the provided component to the builder.
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func (builder *ComponentBuilder) AddComponent(name string, value any) {
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builder.components[name] = value
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}
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// Construct constructs the final item components map and returns it. It also applies the default properties required
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// for the item to work without modifying the original maps in the builder.
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func (builder *ComponentBuilder) Construct() map[string]any {
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properties := maps.Clone(builder.properties)
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components := maps.Clone(builder.components)
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builder.applyDefaultProperties(properties)
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builder.applyDefaultComponents(components, properties)
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return map[string]any{"components": components}
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}
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// applyDefaultProperties applies the default properties to the provided map. It is important that this method does
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// not modify the builder's properties map directly otherwise Empty() will return false in future use of the builder.
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func (builder *ComponentBuilder) applyDefaultProperties(x map[string]any) {
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x["minecraft:icon"] = map[string]any{
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"texture": strings.Split(builder.identifier, ":")[1],
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}
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x["creative_group"] = builder.category.Group()
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x["creative_category"] = int32(builder.category.Uint8())
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if _, ok := x["max_stack_size"]; !ok {
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x["max_stack_size"] = int32(64)
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}
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}
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// applyDefaultComponents applies the default components to the provided map. It is important that this method does not
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// modify the builder's components map directly otherwise Empty() will return false in future use of the builder.
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func (builder *ComponentBuilder) applyDefaultComponents(x, properties map[string]any) {
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x["item_properties"] = properties
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x["minecraft:display_name"] = map[string]any{
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"value": builder.name,
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}
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}
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