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objectgroup.go
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objectgroup.go
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// Copyright 2014 Lightpoke. All rights reserved.
// This source code is subject to the terms and
// conditions defined in the "License.txt" file.
package tmx
import (
"fmt"
"image/color"
)
// NOTE: x, y, width and height attributes are apparently meaningless:
// https://github.com/bjorn/tiled/wiki/TMX-Map-Format#objectgroup
type xmlObjectgroup struct {
Name string `xml:"name,attr"`
Color string `xml:"color,attr"`
Opacity float64 `xml:"opacity,attr"`
Visible int `xml:"visible,attr"`
Properties xmlProperties `xml:"properties"`
Object []xmlObject `xml:"object"`
}
func (x xmlObjectgroup) toObjectGroup() *ObjectGroup {
objects := make([]*Object, len(x.Object))
for i, o := range x.Object {
objects[i] = o.toObject()
}
return &ObjectGroup{
Name: x.Name,
Color: hexToRGBA(x.Color),
Opacity: x.Opacity,
Visible: x.Visible != 0,
Properties: x.Properties.toMap(),
Objects: objects,
}
}
// ObjectGroup represents a group of objects.
type ObjectGroup struct {
// The name of this object group.
Name string
// Color of this object group.
Color color.RGBA
// Value between 0 and 1 representing the opacity of the object group.
Opacity float64
// Boolean value representing whether or not the object group is visible.
Visible bool
// Map of properties for this object group.
Properties map[string]string
// List of objects in this object group.
Objects []*Object
}
// String returns a string representation of this object group, like:
// ObjectGroup(Name="the name", 500 objects)
func (o *ObjectGroup) String() string {
return fmt.Sprintf("ObjectGroup(Name=%q, %d objects)", o.Name, len(o.Objects))
}