SongBg: Add don backgrounds

app.py

@@ -164,7 +164,7 @@ def route_api_songs():
     raw_song_skins = query_db('select * from song_skins')
     song_skins = {}
     for skin in raw_song_skins:
-        song_skins[skin[0]] = {'name': skin[1], 'song': skin[2], 'stage': skin[3]}
+        song_skins[skin[0]] = {'name': skin[1], 'song': skin[2], 'stage': skin[3], 'don': skin[4]}
     
     songs_out = []
     for song in songs:
@@ -173,7 +173,7 @@ def route_api_songs():
         preview = get_preview(song_id, song_type)
         
         category_out = categories[song[11]] if song[11] in categories else def_category
-        song_skin_out = song_skins[song[14]] if song[14] in categories else None
+        song_skin_out = song_skins[song[14]] if song[14] in song_skins else None
         
         songs_out.append({
             'id': song_id,

public/src/css/game.css

@@ -6,6 +6,10 @@
 	background-size: calc(100vh / 720 * 512);
 	background-position: center;
 }
+#screen.view{
+	background-image: none;
+	background-color: #000;
+}
 #canvas{
 	position: relative;
 	z-index: 1;

public/src/css/loader.css

@@ -41,6 +41,7 @@
 	background: #aef;
 	font-family: sans-serif;
 	font-size: 20px;
+	cursor: default;
 	z-index: 10;
 }
 #unsupportedBrowser::before{
@@ -76,6 +77,7 @@
 	margin: 10px 50px 0 50px;
 	border: 3px solid #39a;
 	padding: 5px;
+	cursor: auto;
 	user-select: text;
 }
 #unsupportedHide{

public/src/css/songbg.css

@@ -1,16 +1,16 @@
 #songbg,
 #songbg>*,
+.donbg,
+.donbg *,
 #song-stage{
 	position: absolute;
 	right: 0;
-	bottom: 0;
 	left: 0;
 	width: 100%;
+	max-width: calc(100vh / 9 * 32);
 }
 #songbg{
-	max-width: calc(100vh / 9 * 32);
 	height: 50.1%;
-	background-color: #000;
 }
 #songbg>*{
 	top: 0;
@@ -19,11 +19,14 @@
 #songbg>*{
 	background-size: cover;
 	background-position: center;
+	background-repeat: no-repeat;
+	bottom: 0;
 }
 #song-stage{
 	height: calc(44 / 720 * 100vh);
 	background-position: center bottom;
 	background-repeat-y: no-repeat;
+	bottom: 0;
 }
 .portrait #songbg{
 	height: 63.4%;
@@ -81,3 +84,77 @@
 	background-image: none;
 	animation: none;
 }
+.donbg{
+	top: 0;
+	height: calc(50% - 13.7vw);
+	min-height: 25.6%;
+}
+.portrait .donbg{
+	height: calc(50% - 48.9vw);
+	min-height: 22.5%;
+}
+.donbg *{
+	top: 0;
+	bottom: 0;
+	background-repeat-y: no-repeat;
+}
+.donbg.donbg-bottom{
+	top: auto;
+	bottom: 0;
+}
+.portrait .donbg.donbg-bottom {
+	top: calc(50% + -1vw);
+	bottom: auto;
+}
+@keyframes donbg-scroll{
+	from{background-position-x: 0}
+	to{background-position-x: calc(var(--h) / var(--sh1) * var(--sw) * -1)}
+}
+@keyframes donbg-raise{
+	from{background-position-y: 0}
+	to{background-position-y: var(--raised)}
+}
+@keyframes donbg-anim3{
+	0%{background-position-y: 0}
+	13%{background-position-y: var(--raised)}
+	15%{background-position-y: var(--raised)}
+	45%{background-position-y: 0}
+	50%{background-position-y: 0}
+	65%{background-position-y: calc(var(--raised) / 2)}
+	80%{background-position-y: 0}
+}
+@keyframes donbg-anim5{
+	0%{background-position-y: 0}
+	13%{background-position-y: var(--raised)}
+	17%{background-position-y: var(--raised)}
+	30%{background-position-y: 0}
+}
+.donlayer1{
+	animation: 5s linear donbg-scroll infinite;
+	background-size: auto 100%;
+}
+.donlayer2{
+	background-size: auto calc(var(--sh2) / var(--sh1) * 100%);
+	--raised: calc((var(--sh2) - var(--sh1)) / var(--sh2) * var(--h) * -1);
+}
+.donbg-1 .donlayer2,
+.donbg-2 .donlayer2,
+.donbg-4 .donlayer2,
+.donbg-6 .donlayer2,
+.donbg-raise .donlayer2{
+	animation: 5s linear donbg-scroll infinite, 1s linear donbg-raise infinite alternate;
+}
+.donbg-3 .donlayer2,
+.donbg-anim3 .donlayer2{
+	animation: 3.4s linear donbg-scroll infinite, 1.8s linear donbg-anim3 infinite;
+}
+.donbg-5 .donlayer2,
+.donbg-anim5 .donlayer2{
+	animation: 2.7s linear donbg-scroll infinite, 2.2s linear donbg-anim5 infinite;
+}
+.donbg-fastscroll .donlayer1{
+	animation: 2s linear donbg-scroll infinite;
+}
+.donbg-fastscroll .donlayer2{
+	animation: 1s linear donbg-scroll infinite;
+}

public/src/js/browsersupport.js

@@ -31,10 +31,19 @@ function browserSupport(){
 			}
 			return false
 		},
-		"CSS Calc": function(){
+		"CSS calc": function(){
 			var el = document.createElement("a")
 			el.style.width = "calc(1px)"
 			return el.style.length !== 0
+		},
+		"let statement": function(){
+			eval("let a")
+			return true
+		},
+		"CSS custom property": function(){
+			var el = document.createElement("a")
+			el.style.setProperty("--a", 1)
+			return el.style.length !== 0
 		}
 	}
 	var failedTests = []

public/src/js/loadsong.js

@@ -16,6 +16,8 @@ class loadSong{
 		
 		song.songBg = this.randInt(1, 5)
 		song.songStage = this.randInt(1, 3)
+		song.donBg = this.randInt(1, 6)
+		
 		if(song.songSkin && song.songSkin.name){
 			var imgLoad = []
 			for(var type in song.songSkin){
@@ -37,6 +39,9 @@ class loadSong{
 							type: type
 						})
 					}
+					if(type === "song"){
+						song.songBg = null
+					}
 				}
 			}
 			var skinBase = gameConfig.assets_baseurl + "song_skins/"
@@ -58,9 +63,8 @@ class loadSong{
 				}
 				img.src = skinBase + filename + ".png"
 			}
-		}else{
-			promises.push(this.songBg(id))
 		}
+		promises.push(this.loadSongBg(id))
 		
 		promises.push(new Promise((resolve, reject) => {
 			var songObj
@@ -89,26 +93,38 @@ class loadSong{
 			alert("An error occurred, please refresh")
 		})
 	}
-	songBg(){
+	loadSongBg(){
 		return new Promise((resolve, reject) => {
-			var filename = "bg_song_" + this.selectedSong.songBg
-			if(filename + "a" in assets.image && filename + "b" in assets.image){
-				resolve()
-			}else{
-				var promises = []
-				for(var i = 0; i < 2; i++){
-					let filenameAb = filename + (i === 0 ? "a" : "b")
-					let img = document.createElement("img")
-					if(this.touchEnabled){
-						img.crossOrigin = "Anonymous"
-					}
-					promises.push(pageEvents.load(img).then(() => {
-						return this.scaleImg(img, filenameAb)
-					}))
-					img.src = gameConfig.assets_baseurl + "img/" + filenameAb + ".png"
-				}
-				Promise.all(promises).then(resolve, reject)
+			var promises = []
+			var filenames = []
+			if(this.selectedSong.songBg !== null){
+				filenames.push("bg_song_" + this.selectedSong.songBg)
 			}
+			if(this.selectedSong.donBg !== null){
+				filenames.push("bg_don_" + this.selectedSong.donBg)
+			}
+			for(var i = 0; i < filenames.length; i++){
+				for(var letter = 0; letter < 2; letter++){
+					let filenameAb = filenames[i] + (letter === 0 ? "a" : "b")
+					if(!(filenameAb in assets.image)){
+						let img = document.createElement("img")
+						if(filenameAb.startsWith("bg_song_")){
+							if(this.touchEnabled){
+								img.crossOrigin = "Anonymous"
+							}
+							promises.push(pageEvents.load(img).then(() => {
+								return this.scaleImg(img, filenameAb)
+							}))
+						}else{
+							promises.push(pageEvents.load(img).then(() => {
+								assets.image[filenameAb] = img
+							}))
+						}
+						img.src = gameConfig.assets_baseurl + "img/" + filenameAb + ".png"
+					}
+				}
+			}
+			Promise.all(promises).then(resolve, reject)
 		})
 	}
 	scaleImg(img, filename){

public/src/js/view.js

@@ -123,6 +123,7 @@
 		if(this.multiplayer !== 2){
 			this.setBackground()
 		}
+		this.setDonBg()
 		
 		this.lastMousemove = this.controller.getElapsedTime()
 		pageEvents.mouseAdd(this, this.onmousemove.bind(this))
@@ -172,6 +173,7 @@
 				this.pauseCache.resize(81 * this.pauseOptions.length * 2, 464, ratio)
 			}
 			this.fillComboCache()
+			this.setDonBgHeight()
 		}else if(this.controller.game.paused && !document.hasFocus()){
 			return
 		}else if(this.multiplayer !== 2){
@@ -195,11 +197,13 @@
 			if(!this.touchp2Class){
 				this.touchp2Class = true
 				this.gameDiv.classList.add("touchp2")
+				this.setDonBgHeight()
 			}
 			frameTop -= 90
 		}else if(this.touchp2Class){
 			this.touchp2Class = false
 			this.gameDiv.classList.remove("touchp2")
+			this.setDonBgHeight()
 		}
 		
 		ctx.save()
@@ -288,6 +292,7 @@
 			if(!this.portraitClass){
 				this.portraitClass = true
 				this.gameDiv.classList.add("portrait")
+				this.setDonBgHeight()
 			}
 			
 			this.slotPos = {
@@ -448,6 +453,7 @@
 			if(this.portraitClass){
 				this.portraitClass = false
 				this.gameDiv.classList.remove("portrait")
+				this.setDonBgHeight()
 			}
 			
 			this.slotPos = {
@@ -962,24 +968,25 @@
 		var selectedSong = this.controller.selectedSong
 		var songSkinName = selectedSong.songSkin.name
 		var supportsBlend = "mixBlendMode" in songBg.style
+		var songLayers = [document.getElementById("layer1"), document.getElementById("layer2")]
 		
 		if(selectedSong.category in this.categories){
 			var catId = this.categories[selectedSong.category].sort
 		}else{
 			var catId = this.categories.default.sort
 		}
-		this.setBgImage(this.gameDiv, assets.image["bg_genre_" + catId].src)
+		loader.screen.classList.add("view")
 		
 		if(!selectedSong.songSkin.song){
 			var id = selectedSong.songBg
 			songBg.classList.add("songbg-" + id)
-			this.setLayers("bg_song_" + id + (supportsBlend ? "" : "a"), supportsBlend)
+			this.setLayers(songLayers, "bg_song_" + id + (supportsBlend ? "" : "a"), supportsBlend)
 		}else if(selectedSong.songSkin.song !== "none"){
 			var notStatic = selectedSong.songSkin.song !== "static"
 			if(notStatic){
 				songBg.classList.add("songbg-" + selectedSong.songSkin.song)
 			}
-			this.setLayers("bg_song_" + songSkinName + (notStatic ? "_" : ""), notStatic)
+			this.setLayers(songLayers, "bg_song_" + songSkinName + (notStatic ? "_" : ""), notStatic)
 		}
 		
 		if(!selectedSong.songSkin.stage){
@@ -988,12 +995,57 @@
 			this.setBgImage(songStage, assets.image["bg_stage_" + songSkinName].src)
 		}
 	}
-	setLayers(file, ab){
+	setDonBg(){
+		var songBg = document.getElementById("songbg")
+		var selectedSong = this.controller.selectedSong
+		var songSkinName = selectedSong.songSkin.name
+		var donLayers = []
+		
+		this.donBg = document.createElement("div")
+		this.donBg.classList.add("donbg")
+		if(this.multiplayer === 2){
+			this.donBg.classList.add("donbg-bottom")
+		}
+		for(var layer = 1; layer <= 2; layer++){
+			var donLayer = document.createElement("div")
+			donLayer.classList.add("donlayer" + layer)
+			this.donBg.appendChild(donLayer)
+			donLayers.push(donLayer)
+		}
+		songBg.parentNode.insertBefore(this.donBg, songBg)
+		var asset1, asset2
+		if(!selectedSong.songSkin.don){
+			this.donBg.classList.add("donbg-" + selectedSong.donBg)
+			this.setLayers(donLayers, "bg_don_" + selectedSong.donBg, true)
+			asset1 = "bg_don_" + selectedSong.donBg + "a"
+			asset2 = "bg_don_" + selectedSong.donBg + "b"
+		}else if(selectedSong.songSkin.don !== "none"){
+			var notStatic = selectedSong.songSkin.don !== "static"
+			if(notStatic){
+				this.donBg.classList.add("donbg-" + selectedSong.songSkin.don)
+				asset1 = "bg_don_" + songSkinName + "_a"
+				asset2 = "bg_don_" + songSkinName + "_b"
+			}else{
+				asset1 = "bg_don_" + songSkinName
+				asset2 = "bg_don_" + songSkinName
+			}
+			this.setLayers(donLayers, "bg_don_" + songSkinName + (notStatic ? "_" : ""), notStatic)
+		}
+		var w1 = assets.image[asset1].width
+		var w2 = assets.image[asset2].width
+		this.donBg.style.setProperty("--sw", w1 > w2 ? w1 : w2)
+		this.donBg.style.setProperty("--sh1", assets.image[asset1].height)
+		this.donBg.style.setProperty("--sh2", assets.image[asset2].height)
+	}
+	setDonBgHeight(){
+		this.donBg.style.setProperty("--h", getComputedStyle(this.donBg).height)
+	}
+	setLayers(elements, file, ab){
 		if(ab){
-			this.setBgImage(document.getElementById("layer1"), assets.image[file + "a"].src)
-			this.setBgImage(document.getElementById("layer2"), assets.image[file + "b"].src)
+			this.setBgImage(elements[0], assets.image[file + "a"].src)
+			this.setBgImage(elements[1], assets.image[file + "b"].src)
 		}else{
-			this.setBgImage(document.getElementById("layer1"), assets.image[file].src)
+			this.setBgImage(elements[0], assets.image[file].src)
 		}
 	}
 	setBgImage(element, url){
@@ -1631,6 +1683,8 @@
 			pageEvents.remove(this.canvas, "mousedown")
 		}
 		pageEvents.mouseRemove(this)
+		loader.screen.classList.remove("view")
+		delete this.donBg
 		delete this.pauseMenu
 		delete this.cursor
 		delete this.gameDiv