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// Copyright (C) 2024 Rubén Beltrán del Río
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see https://map.tranquil.systems.
import Combine
import CoreData
import CoreGraphics
import SwiftUI
import WmapParser
struct MapRenderView: View {
var parsedMap: WmapParser.Map
@Binding var evolution: StageType
@AppStorage("showMapBackground") var showMapBackground: Bool = UserPreferences.Defaults
.showMapBackground
@AppStorage("useCustomFont") var useCustomFont: Bool = UserPreferences.Defaults.useCustomFont
@AppStorage("customFontName") var customFontName: String = UserPreferences.Defaults.customFontName
@AppStorage("useSmartLabelPositioning") private var useSmartLabelPositioning = UserPreferences
.Defaults.useSmartLabelPositioning
var stage: Stage {
Stage.stages(evolution)
}
@State private var renderableMap: RenderableMap = .empty
@State private var smartLabelPositions: [Int: CGPoint] = [:]
@State private var parseTask: Task<Void, Never>?
let mapSize = Dimensions.Map.size
let padding = Dimensions.Map.padding
let lineWidth = CGFloat(0.5)
let vertexSize = CGSize(width: 25.0, height: 25.0)
var onDragVertex: (Vertex, CGFloat, CGFloat) -> Void = { _, _, _ in }
private func convertEntitiesInBackground() {
parseTask?.cancel()
parseTask = Task {
let parsed = await Task.detached(priority: .userInitiated) {
RenderableMap.from(parsedMap)
}.value
let positions = await Task.detached(priority: .userInitiated) {
var positions: [Int: CGPoint] = [:]
guard await useSmartLabelPositioning else { return positions }
let axisLines = [
Line(start: CGPoint(x: 0, y: 0), end: CGPoint(x: 0, y: mapSize.height)),
Line(
start: CGPoint(x: 0, y: mapSize.height),
end: CGPoint(x: mapSize.width, y: mapSize.height))
]
for vertex in parsed.vertices {
positions[vertex.id] = SmartLabelPositioning.calculateOptimalLabelPosition(
for: vertex,
mapSize: mapSize,
vertexSize: vertexSize,
edges: parsed.edges,
opportunities: parsed.opportunities,
inertias: parsed.inertias,
axisLines: axisLines,
allVertices: parsed.vertices,
notes: parsed.notes
)
}
return positions
}.value
if !Task.isCancelled {
await MainActor.run {
renderableMap = parsed
smartLabelPositions = positions
}
}
}
}
var body: some View {
ZStack(alignment: .topLeading) {
Path { path in
path.addRect(
CGRect(
x: -padding, y: -padding, width: mapSize.width + padding * 2,
height: mapSize.height + padding * 4))
}.fill(.white)
// The order Matters. Think of this as layers.
if showMapBackground {
MapBackground(mapSize: mapSize, stages: renderableMap.stages)
}
MapAxes(
mapSize: mapSize, lineWidth: lineWidth, evolution: stage, stages: renderableMap.stages)
Group {
MapStages(mapSize: mapSize, lineWidth: lineWidth, stages: renderableMap.stages)
MapEdges(
mapSize: mapSize, lineWidth: lineWidth, vertexSize: vertexSize, edges: renderableMap.edges
)
MapOpportunities(
mapSize: mapSize, lineWidth: lineWidth, vertexSize: vertexSize,
opportunities: renderableMap.opportunities)
MapIntertias(mapSize: mapSize, vertexSize: vertexSize, inertias: renderableMap.inertias)
}.mask {
MapMask(
mapSize: mapSize, vertexSize: vertexSize, vertices: renderableMap.vertices,
labelPositions: smartLabelPositions)
}
MapVertices(
mapSize: mapSize, vertexSize: vertexSize, vertices: renderableMap.vertices,
labelPositions: smartLabelPositions, onDragVertex: onDragVertex)
if #available(macOS 26.0, *) {
MapGroups(mapSize: mapSize, vertexSize: vertexSize, groups: renderableMap.groups)
.drawingGroup()
.opacity(0.1)
} else {
MapGroups(mapSize: mapSize, vertexSize: vertexSize, groups: renderableMap.groups)
.drawingGroup(
opaque: true
).opacity(0.1)
}
MapNotes(
mapSize: mapSize, lineWidth: lineWidth, notes: renderableMap.notes)
}
.id("\(useCustomFont)-\(customFontName)")
.offset(x: padding, y: padding).frame(
width: mapSize.width + 2 * padding,
height: mapSize.height + 2 * padding, alignment: .topLeading
)
.onAppear {
convertEntitiesInBackground()
}
.onChange(of: parsedMap) { _, _ in
convertEntitiesInBackground()
}
.onChange(of: useSmartLabelPositioning) {
convertEntitiesInBackground()
}
.onDisappear {
parseTask?.cancel()
}
}
}
#Preview {
MapRenderView(
parsedMap: WmapParser.parse(""),
evolution: Binding.constant(StageType.general)
)
}
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