375 lines
14 KiB
QML
375 lines
14 KiB
QML
/*
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* Komplex Wallpaper Engine
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* Copyright (C) 2025 @DigitalArtifex | github.com/DigitalArtifex
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*
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* WallpaperModel.qml
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*
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* This component provides a model for parsing and managing wallpaper configurations from
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* a JSON file, specifically designed for the Komplex Wallpaper Engine.
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*
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* This enables infinite complexity in shader configurations
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>
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*/
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import QtCore
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import QtQuick
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import com.github.digitalartifex.komplex 1.0 as Komplex
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Item
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{
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property var screenGeometry
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property real pixelRatio: 1 //This will (hopefully) be set to PlasmaCore.Units.devicePixelRatio in onCompleted
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property vector3d iResolution: Qt.vector3d(wallpaper.configuration.resolution_x ? wallpaper.configuration.resolution_x : 1920, wallpaper.configuration.resolution_y ? wallpaper.configuration.resolution_y : 1080, 1)//width, height, pixel aspect ratio
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property real iTime: 0 //used by most motion shaders
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property real iTimeDelta: iTime
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property var iChannelTime: [iTime, iTime, iTime, iTime] //individual channel time values
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property real iSampleRate: 44100 //used by audio shaders
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property int iFrame: 0
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property real iFrameRate: wallpaper.configuration.framerate_limit ? wallpaper.configuration.framerate_limit : 60 // Default frame rate for the shader
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property vector4d iMouse
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property var iDate
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property bool running: true
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property bool ready: false
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// Individual channel resolutions to customize performance and quality
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property var iChannelResolution: [Qt.vector3d(wallpaper.configuration.iChannel0_resolution_x, wallpaper.configuration.iChannel0_resolution_y, pixelRatio),
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Qt.vector3d(wallpaper.configuration.iChannel1_resolution_x, wallpaper.configuration.iChannel1_resolution_y, pixelRatio),
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Qt.vector3d(wallpaper.configuration.iChannel2_resolution_x, wallpaper.configuration.iChannel2_resolution_y, pixelRatio),
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Qt.vector3d(wallpaper.configuration.iChannel3_resolution_x, wallpaper.configuration.iChannel3_resolution_y, pixelRatio)]
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property string iChannel0: ""
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property string iChannel1: ""
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property string iChannel2: ""
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property string iChannel3: ""
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property var pack: wallpaper.configuration.shader_package
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onPackChanged: ()=>
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{
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if(mainItem.ready)
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shaderPackModel.loadJson(pack)
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}
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ShaderChannel { id: bufferA; visible: true; anchors.fill: parent }
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ShaderChannel { id: bufferB; visible: true; anchors.fill: parent }
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ShaderChannel { id: bufferC; visible: true; anchors.fill: parent }
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ShaderChannel { id: bufferD; visible: true; anchors.fill: parent }
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id: mainItem
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Item
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{
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id: data
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property var channels: []
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property var buffers: new Map()
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}
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Komplex.ShaderPackModel
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{
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id: shaderPackModel
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onJsonChanged: () =>
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{
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// clean up old channels
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while(data.channels.length > 0)
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data.channels.pop().destroy()
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// Handle the JSON change if needed
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mainItem.parsePack(shaderPackModel.json);
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}
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}
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// The WindowModel is used to manage the interaction with the desktop environment
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WindowModel
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{
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id: windowModel
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screenGeometry: mainItem.screenGeometry
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}
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Rectangle
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{
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anchors.fill: parent
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color: "black"
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// The output channel that combines all the input channels and displays the final shader output
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// This channel must be set to a shader source file that has been pre-compiled to a QSB Fragment Shader
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ShaderChannel
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{
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iTime: mainItem.iTime
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iMouse: mainItem.iMouse
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iResolution: mainItem.iResolution
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id: channelOutput
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anchors.fill: parent
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type: ShaderChannel.Type.ShaderChannel
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visible: true // Set to true to display the output
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z: 9000
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}
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// To save on performance, just use one timer for all channels and shaders
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// they will need to be bound to the mainItem properties they need to access
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Timer
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{
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id: channelTimer
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//Not entirely sure if this will actually limit the frame rate
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interval: (1 / mainItem.iFrameRate) * 1000 //fps to ms cycles :: fps = 60 = 1 / 60 = 0.01666 * 1000 = 16
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repeat: true
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running: true //wallpaper.configuration.running ? mainItem.running : true
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triggeredOnStart: true
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onTriggered:
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{
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var date = new Date();
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var startOfDay = new Date(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
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var secondsSinceMidnight = (date - startOfDay) / 1000;
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mainItem.iTime += (interval / 1000) * (wallpaper.configuration.shaderSpeed ? wallpaper.configuration.shaderSpeed : 1.0)
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mainItem.iDate = Qt.vector4d(date.getFullYear(), date.getMonth() + 1, date.getDate(), secondsSinceMidnight)
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mainItem.iFrame += 1
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}
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}
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}
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// Load the default shader pack configuration on component completion
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Component.onCompleted:
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{
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data.buffers.set("{bufferA}", bufferA)
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data.buffers.set("{bufferB}", bufferB)
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data.buffers.set("{bufferC}", bufferC)
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data.buffers.set("{bufferD}", bufferD)
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if(wallpaper.configuration.shader_package)
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shaderPackModel.loadJson(wallpaper.configuration.shader_package);
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ready = true
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}
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// Recursive helper function to parse channels
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function parseChannel(channel, json, typeDefault = 2)
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{
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var source = getFilePath(json.source)
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channel.frameBufferChannel = json.frame_buffer_channel !== undefined ? json.frame_buffer_channel : -1
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channel.type = json.type !== undefined ? json.type : typeDefault
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channel.anchors.fill = channel.parent
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channel.visible = false
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channel.iMouse = Qt.binding(() => { return mainItem.iMouse; })
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channel.iTime = Qt.binding(() => { return mainItem.iTime; })
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channel.iResolution = Qt.binding(() => { return Qt.vector3d(json.resolution_x || mainItem.width, json.resolution_y || mainItem.height, 1.0); })
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channel.mouseBias = json.mouse_scale ? json.mouse_scale : 1.0
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channel.iTimeScale = json.time_scale ? json.time_scale : 1.0
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channel.iTimeDelta = Qt.binding(() => { return mainItem.iTimeDelta; })
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channel.iChannelResolution = Qt.binding(() => {
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return [
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Qt.vector3d(json.resolution_x || mainItem.width, json.resolution_y || mainItem.height, 1.0),
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Qt.vector3d(json.resolution_x || mainItem.width, json.resolution_y || mainItem.height, 1.0),
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Qt.vector3d(json.resolution_x || mainItem.width, json.resolution_y || mainItem.height, 1.0),
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Qt.vector3d(json.resolution_x || mainItem.width, json.resolution_y || mainItem.height, 1.0)
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];
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});
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channel.iChannelTime = Qt.binding(() => {
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return [
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mainItem.iTime * channel.iTimeScale,
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mainItem.iTime * channel.iTimeScale,
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mainItem.iTime * channel.iTimeScale,
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mainItem.iTime * channel.iTimeScale
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];
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});
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channel.iFrameRate = Qt.binding(() => { return mainItem.iFrameRate; })
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channel.iFrame = Qt.binding(() => { return mainItem.iFrame; })
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channel.invert = json.invert ? json.invert : false
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channel.source = source
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if (json.channel0)
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{
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if(typeof json.channel0 === "string")
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{
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if(data.buffers.has(json.channel0))
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channel.iChannel0 = createBufferAssociation(json.channel0)
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else
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console.log('Uknown channel buffer 0 ' + json.channel0)
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}
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else if(typeof json.channel0 === "object")
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{
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var component = Qt.createComponent("./ShaderChannel.qml")
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if (component.status === Component.Ready) {
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channel.iChannel0 = component.createObject(mainItem, { })
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parseChannel(channel.iChannel0, json.channel0)
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data.channels.push(channel.iChannel0) // save for destroying
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}
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}
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else
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console.log('Uknown channel type 0 ' + typeof json.channel0)
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}
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if (json.channel1)
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{
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if(typeof json.channel1 === "string")
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{
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if(data.buffers.has(json.channel1))
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channel.iChannel1 = createBufferAssociation(json.channel1)
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else
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console.log('Uknown channel buffer 1 ' + json.channel1)
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}
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else if(typeof json.channel1 === "object")
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{
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var component = Qt.createComponent("./ShaderChannel.qml")
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if (component.status === Component.Ready) {
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channel.iChannel1 = component.createObject(mainItem, { })
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parseChannel(channel.iChannel1, json.channel1)
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data.channels.push(channel.iChannel1) // save for destroying
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}
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}
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else
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console.log('Uknown channel type 1 ' + typeof json.channel1)
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}
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if (json.channel2)
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{
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if(typeof json.channel2 === "string")
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{
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if(data.buffers.has(json.channel2))
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channel.iChannel2 = createBufferAssociation(json.channel2)
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else
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console.log('Uknown channel buffer 2 ' + json.channel2)
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}
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else if(typeof json.channel2 === "object")
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{
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var component = Qt.createComponent("./ShaderChannel.qml")
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if (component.status === Component.Ready) {
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channel.iChannel2 = component.createObject(mainItem, { })
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parseChannel(channel.iChannel2, json.channel2)
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data.channels.push(channel.iChannel2) // save for destroying
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}
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}
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else
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console.log('Uknown channel type 2 ' + typeof json.channel2)
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}
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if (json.channel3)
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{
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if(typeof json.channel3 === "string")
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{
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if(data.buffers.has(json.channel3))
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channel.iChannel3 = createBufferAssociation(json.channel3)
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else
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console.log('Uknown channel buffer 3 ' + json.channel3)
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}
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else if(typeof json.channel3 === "object")
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{
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var component = Qt.createComponent("./ShaderChannel.qml")
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if (component.status === Component.Ready) {
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channel.iChannel3 = component.createObject(mainItem, { })
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parseChannel(channel.iChannel3, json.channel3)
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data.channels.push(channel.iChannel3) // save for destroying
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}
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}
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else
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console.log('Uknown channel type 3 ' + typeof json.channel3)
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}
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}
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// Function to parse the pack.json file and set the properties of the ShaderChannel
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function parsePack(json)
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{
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var pack = JSON.parse(json);
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var currentChannel = null;
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if (pack.bufferA)
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parseChannel(bufferA, pack.bufferA, 2);
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if (pack.bufferB)
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parseChannel(bufferB, pack.bufferB, 2);
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if (pack.bufferC)
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parseChannel(bufferC, pack.bufferC, 2);
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if (pack.bufferD)
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parseChannel(bufferD, pack.bufferD, 2);
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parseChannel(channelOutput, pack, 2)
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channelOutput.source = getFilePath(pack.source); // Set the shader source file
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channelOutput.type = ShaderChannel.Type.ShaderChannel; // Set the shader
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channelOutput.visible = true
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if(pack.mouse_scale)
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channelOutput.mouseBias = pack.mouse_scale
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if(pack.speed)
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channelOutput.iTimeScale = pack.speed
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}
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// Generate a new ShaderEffectSource for the requested buffer
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function createBufferAssociation(buffer)
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{
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var component = Qt.createComponent('./ShaderBuffer.qml')
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var result
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if (component.status === Component.Ready) {
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result = component.createObject(mainItem, {
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x:0,
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y:0,
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sourceItem: data.buffers.get(buffer),
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live: true,
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sourceRect: Qt.binding(() => { return Qt.rect(0,0,data.buffers.get(buffer).width || 0,data.buffers.get(buffer).height || 0); }),
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visible: false,
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z:0,
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wrapMode: ShaderEffectSource.Repeat,
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textureMirroring: ShaderEffectSource.NoMirroring,
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textureSize: Qt.size(Qt.binding(() => { return data.buffers.get(buffer).width || 0; } ), Qt.binding(() => { return data.buffers.get(buffer).height || 0; } )),
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recursive: false,
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mipmap: false
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});
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}
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return result;
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}
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function getFilePath(source)
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{
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if(source === undefined || source === "")
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return "";
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// Ensure the source path is correctly resolved for relative paths
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if(source.startsWith("./"))
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{
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var temp = source.replace("./", "file://" + shaderPackModel.shaderPackPath + "/")
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return temp;
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}
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else if(source.startsWith("$/"))
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{
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var temp = source.replace("$/", "file://" + StandardPaths.writableLocation(StandardPaths.HomeLocation) + "/.local/share/komplex/")
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return temp;
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}
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else if(!source.startsWith("file://"))
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return "file://" + source;
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}
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}
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