mirror of https://github.com/mode777/rayjs.git
47 lines
1.3 KiB
TypeScript
47 lines
1.3 KiB
TypeScript
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type ResourceType = 'texture' | 'image' | 'shader' | 'font'
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const resourceList = new Map<string, Resource>()
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interface Resource {
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refcount: number,
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id: string,
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resource: any
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unload: (t: any) => void
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}
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function loadResourceFunc<T>(loader: (filename: string) => T, unloader: (resource: T) => void){
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return (filename: string) => {
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if(resourceList.has(filename)){
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const res = resourceList.get(filename)
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res!.refcount++
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return <T>res?.resource
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} else {
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traceLog(LOG_INFO, "here")
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const resource = loader(filename)
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traceLog(LOG_INFO, <string>resource)
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resourceList.set(filename, {
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refcount: 1,
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id: filename,
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resource: resource,
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unload: unloader
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})
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return resource
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}
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}
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}
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export const resourceUnload = (id: string) => {
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const res = resourceList.get(id)
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if(res){
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res.refcount--
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if(res.refcount === 0){
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res.unload(res.resource)
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}
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}
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}
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export const resourceUnloadAll = () => {
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for (const res of resourceList.entries()) {
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res[1].unload(res[1].resource)
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}
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}
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export const textureLoad = loadResourceFunc<Texture>(loadTexture,unloadTexture)
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export const fontLoad = loadResourceFunc<Font>(loadFont,unloadFont)
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