107 lines
3.2 KiB
GDScript
107 lines
3.2 KiB
GDScript
extends TextureRect
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class_name HTTPTextureRect
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signal loading_started
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signal loading_finished(success: bool)
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# HTTP请求节点
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var http_request: HTTPRequest
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func _ready():
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# 创建HTTP请求节点
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http_request = HTTPRequest.new()
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add_child(http_request)
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# 连接信号
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http_request.request_completed.connect(_on_request_completed)
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# 从URL加载图像
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func load_from_url(url: String, custom_headers: Array = []) -> void:
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if url.is_empty():
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push_error("HTTPTextureRect: URL不能为空")
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loading_finished.emit(false)
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return
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loading_started.emit()
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# 发起HTTP请求
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var error = http_request.request(url, custom_headers)
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if error != OK:
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push_error("HTTPTextureRect: 发起HTTP请求失败，错误码: " + str(error))
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loading_finished.emit(false)
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# HTTP请求完成的回调函数
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func _on_request_completed(result, response_code, headers, body):
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if result != HTTPRequest.RESULT_SUCCESS:
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push_error("HTTPTextureRect: HTTP请求失败，错误码: " + str(result))
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loading_finished.emit(false)
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return
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if response_code != 200:
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push_error("HTTPTextureRect: HTTP请求返回非200状态码: " + str(response_code))
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loading_finished.emit(false)
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return
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# 检查内容类型
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var content_type = ""
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for header in headers:
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if header.to_lower().begins_with("content-type:"):
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content_type = header.substr(13).strip_edges().to_lower()
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#print("HTTPTextureRect: 内容类型: ", content_type)
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break
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# 创建图像
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var image = Image.new()
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var error = ERR_INVALID_DATA
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# 根据内容类型选择加载方法
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if content_type.begins_with("image/jpeg") or content_type.begins_with("image/jpg"):
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error = image.load_jpg_from_buffer(body)
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elif content_type.begins_with("image/png"):
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error = image.load_png_from_buffer(body)
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elif content_type.begins_with("image/webp"):
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error = image.load_webp_from_buffer(body)
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elif content_type.begins_with("image/bmp"):
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error = image.load_bmp_from_buffer(body)
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else:
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# 未知内容类型，尝试常见格式
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error = image.load_jpg_from_buffer(body)
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if error != OK:
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error = image.load_png_from_buffer(body)
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if error != OK:
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error = image.load_webp_from_buffer(body)
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if error != OK:
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error = image.load_bmp_from_buffer(body)
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# 检查加载结果
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if error != OK:
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push_error("HTTPTextureRect: 无法加载图像，错误码: " + str(error))
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loading_finished.emit(false)
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return
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# 创建纹理并应用
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var texture = ImageTexture.create_from_image(image)
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self.texture = texture
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#print("HTTPTextureRect: 图像加载成功，尺寸: ", image.get_width(), "x", image.get_height())
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loading_finished.emit(true)
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# 加载QQ头像的便捷方法
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func load_qq_avatar(qq_number: String) -> void:
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if not qq_number.is_valid_int():
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push_error("HTTPTextureRect: QQ号必须为纯数字")
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loading_finished.emit(false)
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return
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# 使用QQ头像API
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#var url = "https://q.qlogo.cn/headimg_dl?dst_uin=" + qq_number + "&spec=640&img_type=png"
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var url = "http://q1.qlogo.cn/g?b=qq&nk="+qq_number+"&s=100"
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# 添加浏览器模拟头
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var headers = [
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"User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
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"Accept: image/png,image/jpeg,image/webp,image/*,*/*;q=0.8"
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]
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# 加载图像
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load_from_url(url, headers)
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