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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | 19x 19x 19x 19x 19x 19x 19x 19x 19x 45x 45x 45x 45x 45x 45x 45x 45x 18x 1x 3x 3x 3x 3x 7x 3x 1x 5x 5x 15x 10x 10x 10x 5x 2x 6x 6x 2x 10x 10x 45x 45x 128x 128x 45x 128x 128x 128x 2x 126x 126x 126x 12x 126x 21x 147x 147x 147x 147x 147x 3528x 3528x 55x 55x 45x 45x 45x | import { CodeMapShaderStrings } from "./shaders/loaders/codeMapShaderStrings"
import { GeometryGenerator } from "./geometryGenerator"
import { CodeMapGeometricDescription } from "./codeMapGeometricDescription"
import { CodeMapBuilding } from "./codeMapBuilding"
import { Node, Scaling, CcState } from "../../../codeCharta.model"
import { BufferAttribute, Camera, Mesh, Ray, ShaderMaterial, UniformsLib, UniformsUtils, Vector3 } from "three"
import { TreeMapHelper, treeMapSize } from "../../../util/algorithm/treeMapLayout/treeMapHelper"
export interface MousePos {
x: number
y: number
}
export class CodeMapMesh {
static readonly NUM_OF_COLOR_VECTOR_FIELDS = 3
static readonly NUM_OF_VERTICES = 24
static readonly LIGHTNESS_INCREASE = -10
static readonly LIGHTNESS_DECREASE = 20
private threeMesh: Mesh
private material: ShaderMaterial
private geomGen: GeometryGenerator
private mapGeomDesc: CodeMapGeometricDescription
private nodes: Node[]
constructor(nodes: Node[], state: CcState, isDeltaState: boolean) {
this.initMaterial()
this.geomGen = new GeometryGenerator()
this.material.precision = "lowp" // no need for high precision in our shaders
const buildResult = this.geomGen.build(nodes, this.material, state, isDeltaState)
this.threeMesh = buildResult.mesh
this.mapGeomDesc = buildResult.desc
this.nodes = nodes
this.initDeltaColorsOnMesh(state)
}
getThreeMesh() {
return this.threeMesh
}
getNodes() {
return this.nodes
}
selectBuilding(building: CodeMapBuilding, color: string) {
building.setColor(color)
building.setDeltaColor(color)
this.setVertexColor(building.id, building.getColorVector(), building.getDeltaColorVector())
this.updateVertices()
}
clearSelection(selected: CodeMapBuilding) {
selected.resetColor()
this.setVertexColor(selected.id, selected.getDefaultColorVector(), selected.getDefaultDeltaColorVector())
this.updateVertices()
}
getMeshDescription() {
return this.mapGeomDesc
}
getBuildingByPath(path: string) {
return this.mapGeomDesc.getBuildingByPath(path)
}
checkMouseRayMeshIntersection(mouse: MousePos, camera: Camera) {
const ray = this.calculatePickingRay(mouse, camera)
return this.getMeshDescription().intersect(ray)
}
setScale(scale: Scaling) {
this.mapGeomDesc.setScales(scale)
}
highlightBuilding(
highlightedBuildings: CodeMapBuilding[],
selected: CodeMapBuilding,
state: CcState,
constantHighlight: Map<number, CodeMapBuilding>
) {
const highlightBuildingMap = TreeMapHelper.buildingArrayToMap(highlightedBuildings)
for (const building of this.mapGeomDesc.buildings) {
if (!this.isBuildingSelected(selected, building)) {
Iif (highlightBuildingMap.get(building.id) || constantHighlight.get(building.id)) {
building.decreaseLightness(CodeMapMesh.LIGHTNESS_INCREASE)
} else {
this.adjustSurroundingBuildingColors(highlightedBuildings, building, state)
}
this.setVertexColor(building.id, building.getColorVector(), building.getDeltaColorVector())
}
}
this.updateVertices()
}
clearHighlight(selected: CodeMapBuilding) {
for (const currentBuilding of this.mapGeomDesc.buildings) {
if (!this.isBuildingSelected(selected, currentBuilding)) {
this.setVertexColor(
currentBuilding.id,
currentBuilding.getDefaultColorVector(),
currentBuilding.getDefaultDeltaColorVector()
)
}
}
this.updateVertices()
}
private adjustSurroundingBuildingColors(highlighted: CodeMapBuilding[], building: CodeMapBuilding, state: CcState) {
Iif (state.appSettings.isPresentationMode) {
const distance = highlighted[0].getCenterPoint(treeMapSize).distanceTo(building.getCenterPoint(treeMapSize))
this.decreaseLightnessByDistance(building, distance)
} else {
building.decreaseLightness(CodeMapMesh.LIGHTNESS_DECREASE)
}
}
private initDeltaColorsOnMesh(state: CcState) {
if (this.mapGeomDesc.buildings[0]?.node.deltas) {
for (const building of this.mapGeomDesc.buildings) {
this.setNewDeltaColor(building, state)
this.setVertexColor(building.id, building.getColorVector(), building.getDeltaColorVector())
}
this.updateVertices()
}
}
private setNewDeltaColor(building: CodeMapBuilding, state: CcState) {
const {
appSettings: { mapColors },
dynamicSettings: { heightMetric }
} = state
const { node } = building
if (node.flat) {
building.setInitialDeltaColor(mapColors.flat)
} else if (node.deltas) {
const deltaValue = node.deltas[heightMetric]
if (deltaValue > 0) {
building.setInitialDeltaColor(mapColors.positiveDelta)
}
Iif (deltaValue < 0) {
building.setInitialDeltaColor(mapColors.negativeDelta)
}
}
}
private isBuildingSelected(selected: CodeMapBuilding, building: CodeMapBuilding) {
return selected && building.equals(selected)
}
private decreaseLightnessByDistance(building: CodeMapBuilding, distance: number) {
if (distance > 800) {
building.decreaseLightness(40)
} else if (distance > 400) {
building.decreaseLightness(30)
} else if (distance > 250) {
building.decreaseLightness(20)
} else if (distance > 100) {
building.decreaseLightness(15)
} else Iif (distance > 50) {
building.decreaseLightness(10)
}
}
private setVertexColor(id: number, newColorVector: Vector3, newDeltaColorVector) {
//!Note this function is called a lot of times see highlightBuilding , maybe bulk update the color and delta colors
const numberOfColorFieldsPerBuilding = CodeMapMesh.NUM_OF_VERTICES
const positionOfFirstColorEntry = id * numberOfColorFieldsPerBuilding
const colorAttribute = this.threeMesh.geometry.getAttribute("color") as BufferAttribute
const deltaAttribute = this.threeMesh.geometry.getAttribute("deltaColor") as BufferAttribute
for (let index = positionOfFirstColorEntry; index < positionOfFirstColorEntry + numberOfColorFieldsPerBuilding; index += 1) {
colorAttribute.setXYZ(index, newColorVector.x, newColorVector.y, newColorVector.z)
deltaAttribute.setXYZ(index, newDeltaColorVector.x, newDeltaColorVector.y, newDeltaColorVector.z)
}
//!Note this can be used to update only the needed range => faster rendering
//! maybe return the offset and count, build the union of the result, and
//! use next lines inside updateVertices ?
/*colorAttribute.updateRange.offset = positionOfFirstColorEntry
colorAttribute.updateRange.count = numberOfColorFieldsPerBuilding
deltaAttribute.updateRange.offset = positionOfFirstColorEntry
deltaAttribute.updateRange.count = numberOfColorFieldsPerBuilding*/
}
private updateVertices() {
this.threeMesh.geometry.getAttribute("color").needsUpdate = true
this.threeMesh.geometry.getAttribute("deltaColor").needsUpdate = true
}
dispose() {
// TODO more needs to be disposed (textures, render targets, passes , ...)
this.disposeMesh()
this.disposeMaterial()
}
private disposeMesh() {
this.threeMesh?.geometry?.dispose()
}
private disposeMaterial() {
this.material?.dispose()
}
private initMaterial() {
const uniforms = UniformsUtils.merge([UniformsLib["lights"]])
const shaderCode = new CodeMapShaderStrings()
this.material = new ShaderMaterial({
vertexShader: shaderCode.vertexShaderCode,
fragmentShader: shaderCode.fragmentShaderCode,
lights: true,
uniforms
})
}
private calculatePickingRay(mouse: MousePos, camera: Camera) {
const ray = new Ray()
ray.origin.setFromMatrixPosition(camera.matrixWorld)
ray.direction.set(mouse.x, mouse.y, 0.5).unproject(camera).sub(ray.origin).normalize()
return ray
}
}
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