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Generated buildings

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This commit is contained in:
Tiberiu Chibici 2015-06-10 11:49:43 +03:00
parent 352f212ae9
commit 4b61f0bdb5
47 changed files with 892 additions and 110 deletions
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Game/Assembly-CSharp-vs.csproj
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@ -54,11 +54,15 @@
<Compile Include="Assets\Scripts\Generator\RoadGenerator.cs" />
<Compile Include="Assets\Scripts\Generator\TerrainGenerator.cs" />
<Compile Include="Assets\Scripts\Model\Biome.cs" />
<Compile Include="Assets\Scripts\Model\Building.cs" />
<Compile Include="Assets\Scripts\Model\BuildingLot.cs" />
<Compile Include="Assets\Scripts\Model\Config\BuildingGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\Config\RoadGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\Config\TerrainGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\IPositionable.cs" />
<Compile Include="Assets\Scripts\Model\LineSegment.cs" />
<Compile Include="Assets\Scripts\Model\Map.cs" />
<Compile Include="Assets\Scripts\Model\Polygon.cs" />
<Compile Include="Assets\Scripts\Model\Rectangle.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNetwork.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNode.cs" />
@ -67,6 +71,7 @@
<Compile Include="Assets\Scripts\Model\Vector2.cs" />
<Compile Include="Assets\Scripts\Noise\NoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Noise\PerlinNoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\BuildingMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\InitializeScript.cs" />
<Compile Include="Assets\Scripts\Unity\RoadMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\TerrainGeneratorScript.cs" />
@ -75,6 +80,7 @@
<Compile Include="Assets\Scripts\Utils\ColorHelper.cs" />
<Compile Include="Assets\Scripts\Utils\Expression.cs" />
<Compile Include="Assets\Scripts\Utils\Logger.cs" />
<Compile Include="Assets\Scripts\Utils\MeshExtensions.cs" />
<Compile Include="Assets\Scripts\Utils\QuadTree.cs" />
<Compile Include="Assets\Scripts\Utils\RandomExtensions.cs" />
<Compile Include="Assets\Scripts\Utils\Range.cs" />

6
Game/Assembly-CSharp.csproj
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@ -54,11 +54,15 @@
<Compile Include="Assets\Scripts\Generator\RoadGenerator.cs" />
<Compile Include="Assets\Scripts\Generator\TerrainGenerator.cs" />
<Compile Include="Assets\Scripts\Model\Biome.cs" />
<Compile Include="Assets\Scripts\Model\Building.cs" />
<Compile Include="Assets\Scripts\Model\BuildingLot.cs" />
<Compile Include="Assets\Scripts\Model\Config\BuildingGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\Config\RoadGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\Config\TerrainGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\IPositionable.cs" />
<Compile Include="Assets\Scripts\Model\LineSegment.cs" />
<Compile Include="Assets\Scripts\Model\Map.cs" />
<Compile Include="Assets\Scripts\Model\Polygon.cs" />
<Compile Include="Assets\Scripts\Model\Rectangle.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNetwork.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNode.cs" />
@ -67,6 +71,7 @@
<Compile Include="Assets\Scripts\Model\Vector2.cs" />
<Compile Include="Assets\Scripts\Noise\NoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Noise\PerlinNoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\BuildingMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\InitializeScript.cs" />
<Compile Include="Assets\Scripts\Unity\RoadMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\TerrainGeneratorScript.cs" />
@ -75,6 +80,7 @@
<Compile Include="Assets\Scripts\Utils\ColorHelper.cs" />
<Compile Include="Assets\Scripts\Utils\Expression.cs" />
<Compile Include="Assets\Scripts\Utils\Logger.cs" />
<Compile Include="Assets\Scripts\Utils\MeshExtensions.cs" />
<Compile Include="Assets\Scripts\Utils\QuadTree.cs" />
<Compile Include="Assets\Scripts\Utils\RandomExtensions.cs" />
<Compile Include="Assets\Scripts\Utils\Range.cs" />

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Game/Assets/Data/Config/tergen.xml
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@ -3,7 +3,7 @@
<noiseOctaves>9</noiseOctaves>
<noiseNonLinearPower>2.4</noiseNonLinearPower>
<waterNonLinearPower>1.9</waterNonLinearPower>
<elevationScale>0.001</elevationScale>
<elevationScale>0.00075</elevationScale>
<erodePoints>100</erodePoints>
<erodeIterations>60</erodeIterations>
<erodeAmountPercent>0.1</erodeAmountPercent>

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Game/Assets/Data/Textures/sidewalk.jpg.meta
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Game/Assets/Main.unity
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Game/Assets/Scripts/Generator/BuildingGenerator.cs
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@ -11,8 +11,11 @@ namespace TransportGame.Generator
{
public class BuildingGenerator
{
private const float LotSquareSize = 1f;
private const float LotSpacing = 0.1f;
Random random = new Random();
private float LotSquareMinSize { get { return ConfigManager.Buildgen.LotSquareMinSize; } }
private float LotSquareMaxSize { get { return ConfigManager.Buildgen.LotSquareMaxSize; } }
private float LotSpacing { get { return ConfigManager.Buildgen.LotSpacing; } }
private Map map;
QuadTree<RoadNode> nodeTree;
@ -20,43 +23,75 @@ namespace TransportGame.Generator
private void AllocateLots()
{
float advance = LotSquareSize + LotSpacing;
// Generate lots for every segment
foreach (var pair in map.RoadNetwork.ArticulationSegments)
{
var seg = pair.Value;
var dir = seg.Direction;
bool didSomething;
var segment = pair.Value;
var dir = segment.Direction;
var perp = dir.RotateDeg(90);
float width0 = ConfigManager.Roadgen.SidewalkWidth + ConfigManager.Roadgen.LaneWidth * seg.LanesTo1;
float width1 = ConfigManager.Roadgen.SidewalkWidth + ConfigManager.Roadgen.LaneWidth * seg.LanesTo2;
float width0 = ConfigManager.Roadgen.SidewalkWidth + ConfigManager.Roadgen.LaneWidth * segment.LanesTo1;
float width1 = ConfigManager.Roadgen.SidewalkWidth + ConfigManager.Roadgen.LaneWidth * segment.LanesTo2;
for (Vector2 pos = seg.Terminal1.Position; (pos - seg.Terminal2.Position).LengthSq > advance * advance; pos += dir * advance)
Vector2 start = segment.Terminal1.Position;
Vector2 end = segment.Terminal2.Position;
Vector2 posL = start, posR = start, nposL, nposR;
int attempts = 0;
do
{
didSomething = false;
float sizeL = random.NextSingle(LotSquareMinSize, LotSquareMaxSize), sizeR = random.NextSingle(LotSquareMinSize, LotSquareMaxSize);
nposL = posL + dir * sizeL;
nposR = posR + dir * sizeR;
// Left side
if ((posL - end).LengthSq >= sizeL * sizeL)
{
didSomething = true;
// Build lot squares
Vector2[] left = new Vector2[4];
left[0] = pos + perp * (width0 + LotSpacing + LotSquareSize);
left[1] = pos + perp * (width0 + LotSpacing);
left[2] = pos + dir * LotSquareSize + perp * (width0 + LotSpacing);
left[3] = pos + dir * LotSquareSize + perp * (width0 + LotSpacing + LotSquareSize);
left[0] = posL + perp * (width0 + LotSpacing + sizeL);
left[1] = posL + perp * (width0 + LotSpacing);
left[2] = nposL + perp * (width0 + LotSpacing);
left[3] = nposL + perp * (width0 + LotSpacing + sizeL);
Vector2[] right = new Vector2[4];
right[0] = pos - perp * (width0 + LotSpacing + LotSquareSize);
right[1] = pos - perp * (width0 + LotSpacing);
right[2] = pos + dir * LotSquareSize - perp * (width0 + LotSpacing);
right[3] = pos + dir * LotSquareSize - perp * (width0 + LotSpacing + LotSquareSize);
BuildingLot lot = new BuildingLot(sizeL, left);
BuildingLot lot0 = new BuildingLot(left);
BuildingLot lot1 = new BuildingLot(right);
if (CanAllocate(posL, lot))
lotTree.Add(lot);
// Test for intersections
if (CanAllocate(pos, lot0))
lotTree.Add(lot0);
if (CanAllocate(pos, lot1))
lotTree.Add(lot1);
// Advance
posL = nposL;
}
// Right side
if ((posR - end).LengthSq >= sizeR * sizeR)
{
didSomething = true;
// Build lot squares
Vector2[] right = new Vector2[4];
right[0] = posR - perp * (width1 + LotSpacing + sizeR);
right[1] = posR - perp * (width1 + LotSpacing);
right[2] = nposR - perp * (width1 + LotSpacing);
right[3] = nposR - perp * (width1 + LotSpacing + sizeR);
BuildingLot lot = new BuildingLot(sizeR, right);
if (CanAllocate(posL, lot))
lotTree.Add(lot);
// Advance
posR = nposR;
}
if (!didSomething)
attempts++;
} while (attempts < ConfigManager.Buildgen.MaxLotAttempts);
}
// Done
@ -65,26 +100,34 @@ namespace TransportGame.Generator
private bool CanAllocate(Vector2 pos, BuildingLot lot0)
{
if (!lotTree.Boundary.Contains(pos))
return false;
// Test other lots
Rectangle lotArea = new Rectangle(pos.X - 2 * LotSquareSize, pos.Y - 2 * LotSquareSize, pos.X + 2 * LotSquareSize, pos.Y + 2 * LotSquareSize);
Rectangle lotArea = new Rectangle(
pos.X - 2f * LotSquareMaxSize,
pos.Y - 2f * LotSquareMaxSize,
pos.X + 2f * LotSquareMaxSize,
pos.Y + 2f * LotSquareMaxSize);
foreach (var lot in lotTree.Query(lotArea))
{
if (BuildingLot.Intersect(lot0, lot))
if (BuildingLot.DoesIntersect(lot0, lot))
return false;
}
// Test nearby roads
Rectangle roadArea = new Rectangle(
pos.X - 2 * ConfigManager.Roadgen.HighwaySegmentLength,
pos.Y - 2 * ConfigManager.Roadgen.HighwaySegmentLength,
pos.X + 2 * ConfigManager.Roadgen.HighwaySegmentLength,
pos.Y + 2 * ConfigManager.Roadgen.HighwaySegmentLength);
pos.X - 1.1f * ConfigManager.Roadgen.HighwaySegmentLength,
pos.Y - 1.1f * ConfigManager.Roadgen.HighwaySegmentLength,
pos.X + 1.1f * ConfigManager.Roadgen.HighwaySegmentLength,
pos.Y + 1.1f * ConfigManager.Roadgen.HighwaySegmentLength);
foreach (var node in nodeTree.Query(roadArea))
{
foreach (var segment in node.ArticulationSegments)
{
if (BuildingLot.Intersect(lot0, segment.AsLineSegment()))
if (BuildingLot.DoesIntersect(lot0, segment.AsLineSegment()))
return false;
}
@ -95,12 +138,69 @@ namespace TransportGame.Generator
private void GenerateBuildings()
{
foreach (var lot in map.BuildingLots)
map.Buildings.Add(GenerateBuilding(lot));
}
Polygon GeneratePrimitivePolygon(BuildingLot lot)
{
int sides = random.Next(3, 8); // Number of sides
float angle = 2 * (float)Math.PI / sides; // Angle between sides
float radius = random.NextSingle(lot.Size * 0.25f, lot.Size * 0.75f) / 2; // Length of a side
Vector2 current = lot.Position + new Vector2(random.NextSingle(-lot.Size / 4, lot.Size / 4), random.NextSingle(-lot.Size / 4, lot.Size / 4));
Vector2 dir = new Vector2(random.NextSingle(), random.NextSingle()).Normalized * radius;
List<Vector2> points = new List<Vector2>();
for (int i = 0; i < sides; i++)
{
points.Add(current);
current = current + dir;
dir = dir.Rotate(angle);
}
return new Polygon(points);
}
private Building GenerateBuilding(BuildingLot lot)
{
Building b = new Building();
int levelCount = random.Next(1, ConfigManager.Buildgen.MaxBuildingLevels);
b.LevelHeights = new float[levelCount];
b.Polygons = new Polygon[levelCount][];
for (int i = levelCount - 1; i >= 0; --i)
{
List<Polygon> polys = new List<Polygon>();
for (int j = 0; j < 1 + random.Next(ConfigManager.Buildgen.MaxPolygonsPerLevel); j++)
polys.Add(GeneratePrimitivePolygon(lot));
if (i + 1 < levelCount)
{
polys.AddRange(b.Polygons[i + 1]);
b.LevelHeights[i] = random.NextSingle(0, b.LevelHeights[i + 1]);
}
else
{
b.LevelHeights[i] = random.NextSingle(0, ConfigManager.Buildgen.MaxBuildingHeight);
}
for (int j = 0; j < random.Next(ConfigManager.Buildgen.MaxPolygonsPerLevel); j++)
polys.Add(GeneratePrimitivePolygon(lot));
b.Polygons[i] = polys.ToArray();
}
return b;
}
public void Generate(Map map)
{
this.map = map;
map.Buildings = new List<Building>();
// Construct node tree
nodeTree = new QuadTree<RoadNode>(0, 0, map.Width, map.Height);

4
Game/Assets/Scripts/Generator/CityGenerator.cs
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@ -35,6 +35,10 @@ namespace TransportGame.Generator
RoadGenerator roadGenerator = new RoadGenerator();
roadGenerator.Generate(map);
// Generate buildings
BuildingGenerator buildingGenerator = new BuildingGenerator();
buildingGenerator.Generate(map);
// Done
return map;
}

20
Game/Assets/Scripts/Model/Building.cs Normal file
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@ -0,0 +1,20 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace TransportGame.Model
{
public class Building
{
/// <summary>
/// From lowest to highest level
/// </summary>
public Polygon[][] Polygons { get; set; }
/// <summary>
/// From lowest to highest level
/// </summary>
public float[] LevelHeights { get; set; }
}
}

12
Game/Assets/Scripts/Model/Building.cs.meta Normal file
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44
Game/Assets/Scripts/Model/BuildingLot.cs
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@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Text;
using TransportGame.Business;
using TransportGame.Utils;
namespace TransportGame.Model
{
@ -13,21 +14,54 @@ namespace TransportGame.Model
/// </summary>
public Vector2[] Points { get; set; }
/// <summary>
/// Gets or sets the size of the lot
/// </summary>
public float Size { get; set; }
/// <summary>
/// Initializes the building lot
/// </summary>
public BuildingLot()
{
Points = new Vector2[4];
}
public BuildingLot(params Vector2[] points)
/// <summary>
/// Initializes lot with given size
/// </summary>
/// <param name="size">size</param>
public BuildingLot(float size)
{
Points = new Vector2[4];
Size = size;
}
/// <summary>
/// Initializes lot with given points and size
/// </summary>
/// <param name="size">Size</param>
/// <param name="points">Points</param>
public BuildingLot(float size, params Vector2[] points)
{
Points = points;
Size = size;
}
public BuildingLot(IEnumerable<Vector2> points)
/// <summary>
/// Initializes lot with given points and size
/// </summary>
/// <param name="size">Size</param>
/// <param name="points">Points</param>
public BuildingLot(float size, IEnumerable<Vector2> points)
{
Points = points.ToArray();
Size = size;
}
/// <summary>
/// Gets the lot position
/// </summary>
public Vector2 Position
{
get { return Points.Aggregate((x, y) => x + y) / Points.Length; }
@ -39,9 +73,9 @@ namespace TransportGame.Model
/// <param name="a">First lot</param>
/// <param name="b">Second lot</param>
/// <returns></returns>
public static bool Intersect(BuildingLot a, BuildingLot b)
public static bool DoesIntersect(BuildingLot a, BuildingLot b)
{
return (a.Position - b.Position).LengthSq <= ConfigManager.Buildgen.LotSquareSize + ConfigManager.Buildgen.LotSpacing;
return Algorithmss.DoPolygonsIntersect(a.Points, b.Points);
}
/// <summary>
@ -50,7 +84,7 @@ namespace TransportGame.Model
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static bool Intersect(BuildingLot a, LineSegment b)
public static bool DoesIntersect(BuildingLot a, LineSegment b)
{
for (int i = 0; i < a.Points.Length; i++)
{

12
Game/Assets/Scripts/Model/BuildingLot.cs.meta Normal file
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36
Game/Assets/Scripts/Model/Config/BuildingGeneratorConfig.cs
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@ -8,19 +8,49 @@ namespace TransportGame.Model.Config
public class BuildingGeneratorConfig
{
/// <summary>
/// Lot size
/// Minimum lot size
/// </summary>
public float LotSquareSize { get; set; }
public float LotSquareMinSize { get; set; }
/// <summary>
/// Maximum lot size
/// </summary>
public float LotSquareMaxSize { get; set; }
/// <summary>
/// Space between lots
/// </summary>
public float LotSpacing { get; set; }
/// <summary>
/// Maximum number of attempts to generate a lot in a specific area
/// </summary>
public int MaxLotAttempts { get; set; }
/// <summary>
/// Maximum number of levels on a building
/// </summary>
public int MaxBuildingLevels { get; set; }
/// <summary>
/// Maximum height for a building
/// </summary>
public float MaxBuildingHeight { get; set; }
/// <summary>
/// Maximum number of primitive polygons to be generated per level
/// </summary>
public int MaxPolygonsPerLevel { get; set; }
public BuildingGeneratorConfig()
{
LotSquareSize = 1f;
LotSquareMinSize = 5f;
LotSquareMaxSize = 20f;
LotSpacing = 0.1f;
MaxLotAttempts = 3;
MaxBuildingHeight = 20f;
MaxBuildingLevels = 5;
MaxPolygonsPerLevel = 3;
}
}
}

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Game/Assets/Scripts/Model/Config/BuildingGeneratorConfig.cs.meta Normal file
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Game/Assets/Scripts/Model/Map.cs
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@ -75,6 +75,9 @@ namespace TransportGame.Model
[XmlArrayItem("center")]
public List<Vector2> PopulationCenters { get; set; }
/// <summary>
/// Gets or sets the range of one population center (distance how far it influences)
/// </summary>
public float PopulationCenterRange { get; set; }
/// <summary>
@ -89,6 +92,12 @@ namespace TransportGame.Model
[XmlElement("lots")]
public List<BuildingLot> BuildingLots { get; set; }
/// <summary>
/// Gets or sets the buildings
/// </summary>
[XmlElement("buildings")]
public List<Building> Buildings { get; set; }
#endregion
#region Constructors

247
Game/Assets/Scripts/Model/Polygon.cs Normal file
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@ -0,0 +1,247 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TransportGame.Utils;
namespace TransportGame.Model
{
/// <summary>
/// Represents a polygon
/// </summary>
public class Polygon : IPositionable
{
#region Private types
private struct Edge
{
public int U, V;
public Edge(int U, int V)
{
this.U = U;
this.V = V;
}
}
#endregion
/// <summary>
/// Gets or sets the points that define the polygon
/// </summary>
public Vector2[] Points { get; set; }
/// <summary>
/// Gets the gravitational center
/// </summary>
public Vector2 Position
{
get { return Points.Aggregate((x, y) => x + y) / Points.Length; }
}
/// <summary>
/// Initializes polygon
/// </summary>
public Polygon()
{
Points = new Vector2[0];
}
/// <summary>
/// Initializes polygon using given points
/// </summary>
/// <param name="points">Points</param>
public Polygon(IEnumerable<Vector2> points)
{
Points = points.ToArray();
}
/// <summary>
/// Initializes polygon using given points
/// </summary>
/// <param name="points">Points</param>
public Polygon(params Vector2[] points)
{
Points = points;
}
/// <summary>
/// Compares angle between two NORMALIZED vectors.
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
private static float CompareAngle(Vector2 a, Vector2 b)
{
float sin = Vector2.Cross(a, b);
float cos = Vector2.Dot(a, b);
if (sin >= 0 && cos >= 0)
return sin;
else if (sin >= 0 && cos <= 0)
return 1 + Math.Abs(cos);
else if (sin <= 0 && cos <= 0)
return 2 + Math.Abs(sin);
else return 3 + cos;
}
/// <summary>
/// Returns the union between given polygons
/// </summary>
/// <param name="polys">Polygons</param>
/// <returns>Polygon representing union</returns>
public static Polygon Union(params Polygon[] polys)
{
return Union(polys);
}
/// <summary>
/// Returns the union between given polygons
/// </summary>
/// <param name="polys">Polygons</param>
/// <returns>Polygon representing union</returns>
public static Polygon Union(IEnumerable<Polygon> polys)
{
List<Vector2> vertices = new List<Vector2>();
List<Edge> edges = new List<Edge>();
List<Vector2> union = new List<Vector2>();
foreach (var poly in polys)
{
// Add all points
for (int i = 0; i < poly.Points.Length; i++)
{
int j = (i + 1) % poly.Points.Length;
// Get/add first point
int indexi = vertices.IndexOf(poly.Points[i]);
if (indexi == -1)
{
vertices.Add(poly.Points[i]);
indexi = vertices.Count - 1;
}
// Get/add second point
int indexj = vertices.IndexOf(poly.Points[j]);
if (indexj == -1)
{
vertices.Add(poly.Points[j]);
indexj = vertices.Count - 1;
}
// Add edge
edges.Add(new Edge(indexi, indexj));
}
}
// Intersect edges
for (int i = 0; i < edges.Count; i++)
for (int j = i + 1; j < edges.Count; j++)
{
LineSegment a = new LineSegment(vertices[edges[i].U], vertices[edges[i].V]);
LineSegment b = new LineSegment(vertices[edges[j].U], vertices[edges[j].V]);
var inters = LineSegment.Intersect(a, b);
if (inters.HasValue && inters.Value != a.P0 && inters.Value != a.P1 && inters.Value != b.P0 && inters.Value != b.P1)
{
vertices.Add(inters.Value);
int index = vertices.Count - 1;
edges.Add(new Edge(index, edges[i].V));
edges[i] = new Edge(edges[i].U, index);
edges.Add(new Edge(index, edges[j].V));
edges[j] = new Edge(edges[j].U, index);
}
}
// Compute union
int start = 0;
// Find starting point
for (int i = 0; i < vertices.Count; i++)
if (vertices[i].X + vertices[i].Y < vertices[start].X + vertices[start].Y)
start = i;
int v = start, vold = -1;
Vector2 prev = vertices[v].Normalized;
do
{
union.Add(vertices[v]);
int newV = -1;
float smallestAngle = -1;
Vector2 smallestDir = Vector2.Zero;
foreach (var edge in edges)
{
if ((edge.U == v || edge.V == v) && edge.V != vold && edge.U != vold)
{
int otherv = (edge.U == v) ? edge.V : edge.U;
Vector2 dir = (vertices[otherv] - vertices[v]).Normalized;
// Find smallest angle
float cmpAngle = CompareAngle(-prev, dir);
if (cmpAngle < smallestAngle || smallestAngle < 0)
{
newV = otherv;
smallestAngle = cmpAngle;
smallestDir = dir;
}
}
}
// Advance
prev = smallestDir;
vold = v;
v = newV;
} while (v != start);
return new Polygon(union);
}
public static bool DoPolygonsIntersect(Polygon a, Polygon b)
{
foreach (var poly in new[] { a, b })
{
for (int i = 0; i < poly.Points.Length; i++)
{
int j = (i + 1) % poly.Points.Length;
var normal = new Vector2(poly.Points[j].Y - poly.Points[i].Y, poly.Points[i].X - poly.Points[j].X);
double? minA = null, maxA = null;
foreach (var p in a.Points)
{
var projected = Vector2.Dot(normal, p);
if (minA == null || projected < minA)
minA = projected;
if (maxA == null || projected > maxA)
maxA = projected;
}
double? minB = null, maxB = null;
foreach (var p in b.Points)
{
var projected = Vector2.Dot(normal, p);
if (minB == null || projected < minB)
minB = projected;
if (maxB == null || projected > maxB)
maxB = projected;
}
if (maxA <= minB || maxB <= minA)
return false;
}
}
return true;
}
}
}

12
Game/Assets/Scripts/Model/Polygon.cs.meta Normal file
View File

@ -0,0 +1,12 @@
fileFormatVersion: 2
guid: ee96020375a8f3d4bb7a04e9f7a6b05e
timeCreated: 1433489979
licenseType: Free
MonoImporter:
serializedVersion: 2
defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
userData:
assetBundleName:
assetBundleVariant:

97
Game/Assets/Scripts/Unity/BuildingMeshGenerator.cs Normal file
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@ -0,0 +1,97 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TransportGame.Model;
using UnityEngine;
namespace TransportGame.Unity
{
public class BuildingMeshGenerator
{
public Material BuildingMaterial { get; set; }
private GameObject parent = new GameObject("buildings");
private Map map;
public IEnumerable Generate(Map map)
{
this.map = map;
foreach (var building in map.Buildings)
{
GenerateBuilding(building);
yield return null;
}
}
private void GenerateBuilding(Building building)
{
List<Vector3> vertices = new List<Vector3>();
List<UnityEngine.Vector2> uv = new List<UnityEngine.Vector2>();
List<int> triangles = new List<int>();
int vIndex = 0;
if (building.Polygons.Length == 0)
return;
float terrainHeight = building.Polygons[0].SelectMany(poly => poly.Points).Min(pt => map.GetHeight((int)pt.X, (int)pt.Y));
float minY, maxY = terrainHeight;
for (int i = 0; i < building.Polygons.Length; i++)
{
// Update minY and maxY
minY = maxY;
maxY += building.LevelHeights[i];
for (int p = 0; p < building.Polygons[i].Length; p++)
{
// Build mesh
var center = building.Polygons[i][p].Position;
var pts = building.Polygons[i][p].Points;
for (int j = 0; j < pts.Length; j++)
{
int k = (j + 1) % pts.Length;
vertices.Add(new Vector3(pts[j].Y, minY, pts[j].X));
vertices.Add(new Vector3(pts[k].Y, minY, pts[k].X));
vertices.Add(new Vector3(pts[k].Y, maxY, pts[k].X));
vertices.Add(new Vector3(pts[j].Y, maxY, pts[j].X));
vertices.Add(new Vector3(center.Y, maxY, center.X));
uv.Add(new UnityEngine.Vector2(0, 0));
uv.Add(new UnityEngine.Vector2(0, 1));
uv.Add(new UnityEngine.Vector2(1, 1));
uv.Add(new UnityEngine.Vector2(1, 0));
uv.Add(new UnityEngine.Vector2(0.5f, 0.5f));
triangles.AddRange(new[] { vIndex, vIndex + 1, vIndex + 2 });
triangles.AddRange(new[] { vIndex, vIndex + 2, vIndex + 3 });
triangles.AddRange(new[] { vIndex + 4, vIndex + 3, vIndex + 2 }); // top side
vIndex = vertices.Count;
}
}
}
// Construct mesh
Mesh mesh = new Mesh();
mesh.vertices = vertices.ToArray();
mesh.triangles = triangles.ToArray();
mesh.uv = uv.ToArray();
mesh.RecalculateNormals();
// Construct game object
GameObject inters = new GameObject("building");
inters.transform.parent = parent.transform;
MeshFilter meshFilter = inters.AddComponent<MeshFilter>();
meshFilter.mesh = mesh;
MeshRenderer meshRenderer = inters.AddComponent<MeshRenderer>();
meshRenderer.materials = new[] { BuildingMaterial };
}
}
}

12
Game/Assets/Scripts/Unity/BuildingMeshGenerator.cs.meta Normal file
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@ -0,0 +1,12 @@
fileFormatVersion: 2
guid: 285289bd35a5aac429d15f8fdf99512f
timeCreated: 1433859861
licenseType: Free
MonoImporter:
serializedVersion: 2
defaultReferences: []
executionOrder: 0
icon: {instanceID: 0}
userData:
assetBundleName:
assetBundleVariant:

84
Game/Assets/Scripts/Unity/TerrainGeneratorScript.cs
View File

@ -16,6 +16,7 @@ public class TerrainGeneratorScript : MonoBehaviour
public GameObject WaterObject;
public Texture2D[] Textures;
public Material RoadMaterial;
public Material BuildingMaterial;
// Use this for initialization
void Start()
@ -54,7 +55,7 @@ public class TerrainGeneratorScript : MonoBehaviour
private IEnumerator GenerateMap()
{
// Generate terrain
foreach (var i in Task.RunAsync(GenerateTerrainThread))
foreach (var i in Task.Await(GenerateTerrainThread))
yield return i;
// Generate terrain data
@ -105,20 +106,62 @@ public class TerrainGeneratorScript : MonoBehaviour
// Set up textures
Logger.Info("Setting up textures...");
foreach (var i in SetupSplatmaps(terrainData))
BeginSetupSplatmaps(terrainData);
foreach (var lot in map.BuildingLots)
{
for (int i = 0; i < lot.Points.Length; i++)
{
int j = (i + 1) % lot.Points.Length;
if (!map.IsInside(lot.Points[i]))
{
Logger.Warning("Generated point not inside: {0}", lot.Points[i]);
continue;
}
if (!map.IsInside(lot.Points[j]))
{
Logger.Warning("Generated point not inside: {0}", lot.Points[j]);
continue;
}
Debug.DrawLine(
new Vector3(lot.Points[i].Y, map.GetHeight((int)lot.Points[i].X, (int)lot.Points[i].Y) + 0.5f, lot.Points[i].X),
new Vector3(lot.Points[j].Y, map.GetHeight((int)lot.Points[j].X, (int)lot.Points[j].Y) + 0.5f, lot.Points[j].X),
Color.yellow, 10000);
}
}
// Generate road & building mesh (we run the loops in parallel)
Logger.Info("Generating buildings and roads...");
BuildingMeshGenerator buildingMeshGenerator = new BuildingMeshGenerator();
buildingMeshGenerator.BuildingMaterial = BuildingMaterial;
var it1 = buildingMeshGenerator.Generate(map).GetEnumerator();
RoadMeshGenerator roadMeshGenerator = new RoadMeshGenerator();
roadMeshGenerator.RoadMaterial = RoadMaterial;
var it2 = roadMeshGenerator.Generate(map).GetEnumerator();
bool stop;
do
{
stop = true;
if (it1.MoveNext())
{
yield return it1.Current;
stop = false;
}
if (it2.MoveNext())
{
yield return it2.Current;
stop = false;
}
} while (!stop);
// Finish setting up textures
foreach (var i in EndSetupSplatmaps(terrainData))
yield return i;
// Generate road mesh
Logger.Info("Generating roads...");
RoadMeshGenerator meshGenerator = new RoadMeshGenerator();
meshGenerator.RoadMaterial = RoadMaterial;
foreach (object i in meshGenerator.Generate(map))
yield return i;
// -- DEBUG --
foreach (var center in map.PopulationCenters)
Debug.DrawLine(new Vector3(center.Y, 0, center.X), new Vector3(center.Y, map.Biome.Height, center.X), Color.yellow, 100000);
}
private float[,,] GenerateSplatData(int alphaWidth, int alphaHeight, int alphaLayers)
@ -174,14 +217,21 @@ public class TerrainGeneratorScript : MonoBehaviour
return splatData;
}
private IEnumerable SetupSplatmaps(TerrainData terrainData)
{
float[, ,] splatData = null;
private Task splatmapsTask = null;
private void BeginSetupSplatmaps(TerrainData terrainData)
{
int alphaW = terrainData.alphamapWidth;
int alphaH = terrainData.alphamapHeight;
int alphaL = terrainData.alphamapLayers;
foreach (var i in Task.RunAsync(() => splatData = GenerateSplatData(alphaW, alphaH, alphaL)))
splatmapsTask = Task.RunAsync(() => splatData = GenerateSplatData(alphaW, alphaH, alphaL));
}
private IEnumerable EndSetupSplatmaps(TerrainData terrainData)
{
foreach (var i in splatmapsTask.Await())
yield return i;
terrainData.SetAlphamaps(0, 0, splatData);

37
Game/Assets/Scripts/Utils/Algorithms.cs
View File

@ -2,11 +2,48 @@
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TransportGame.Model;
namespace TransportGame.Utils
{
public static class Algorithmss
{
public static bool DoPolygonsIntersect(Vector2[] a, Vector2[] b)
{
foreach (var poly in new[] {a, b})
{
for (int i = 0; i < poly.Length; i++)
{
int j = (i + 1) % poly.Length;
var normal = new Vector2(poly[j].Y - poly[i].Y, poly[i].X - poly[j].X);
double? minA = null, maxA = null;
foreach (var p in a)
{
var projected = Vector2.Dot(normal, p);
if (minA == null || projected < minA)
minA = projected;
if (maxA == null || projected > maxA)
maxA = projected;
}
double? minB = null, maxB = null;
foreach (var p in b)
{
var projected = Vector2.Dot(normal, p);
if (minB == null || projected < minB)
minB = projected;
if (maxB == null || projected > maxB)
maxB = projected;
}
if (maxA <= minB || maxB <= minA)
return false;
}
}
return true;
}
}
}

46
Game/Assets/Scripts/Utils/Task.cs
View File

@ -7,41 +7,55 @@ using System.Threading;
namespace TransportGame.Utils
{
public static class Task
public class Task
{
private class TaskInfo
public bool? Success { get; private set; }
private Exception thrownException;
private Action action;
private Thread thread;
private Task()
{
public Action Action { get; set; }
public bool? Success { get; set; }
public Exception ThrownException { get; set; }
}
private static void RunAsync_ActionThread(object info)
{
TaskInfo taskInfo = (TaskInfo)info;
Task taskInfo = (Task)info;
try
{
taskInfo.Action();
taskInfo.action();
taskInfo.Success = true;
}
catch (Exception ex)
{
taskInfo.ThrownException = ex;
taskInfo.thrownException = ex;
taskInfo.Success = false;
}
}
public static IEnumerable RunAsync(Action action)
public static Task RunAsync(Action action)
{
// Set up task info object
TaskInfo taskInfo = new TaskInfo();
taskInfo.Action = action;
Task taskInfo = new Task();
taskInfo.action = action;
taskInfo.thread = new Thread(RunAsync_ActionThread);
// Start thread and wait
var thread = new Thread(RunAsync_ActionThread);
thread.Start(taskInfo);
// Start thread
taskInfo.thread.Start(taskInfo);
// Return task info
return taskInfo;
}
public static IEnumerable Await(Action action)
{
return Task.RunAsync(action).Await();
}
public IEnumerable Await()
{
// Wait for thread to finish
while (thread.ThreadState == ThreadState.Running)
yield return null;
@ -49,8 +63,8 @@ namespace TransportGame.Utils
thread.Join();
// Rethrow exception
if (taskInfo.Success.HasValue && !taskInfo.Success.Value)
throw new Exception("Task failed", taskInfo.ThrownException);
if (Success.HasValue && !Success.Value)
throw new Exception("Task failed", thrownException);
}
}
}

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Game/ProjectSettings/GraphicsSettings.asset
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Game/TransportGame_Data/Managed/Assembly-CSharp-firstpass.dll
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2
Game/TransportGame_Data/PlayerConnectionConfigFile
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@ -1 +1 @@
listen 267420748 1 1
listen 3921045144 1 1

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79
Game/TransportGame_Data/output_log.txt
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@ -4,7 +4,7 @@ Direct3D:
Version: Direct3D 11.0 [level 11.0]
Renderer: NVIDIA GeForce GTX 750 (ID=0x1381)
Vendor: NVIDIA
VRAM: 968 MB
VRAM: 967 MB
Begin MonoManager ReloadAssembly
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.dll (this message is harmless)
Loading C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.dll into Unity Child Domain
@ -16,25 +16,82 @@ Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Transpo
Loading C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\Assembly-UnityScript-firstpass.dll into Unity Child Domain
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.UI.dll (this message is harmless)
Loading C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.UI.dll into Unity Child Domain
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.UI.dll (this message is harmless)
Loading C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\UnityEngine.UI.dll into Unity Child Domain
- Completed reload, in 0.094 seconds
- Completed reload, in 0.045 seconds
desktop: 1920x1080 60Hz; virtual: 1920x1080 at 0,0
<RI> Initializing input.
<RI> Input initialized.
<RI> Initialized touch support.
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\System.Core.dll (this message is harmless)
Loading configuration...
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
InitializeScript:Start() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\InitializeScript.cs:14)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\System.Xml.dll (this message is harmless)
Platform assembly: C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\TransportGame_Data\Managed\System.dll (this message is harmless)
Unable to find shaders used for the terrain engine. Please include Nature/Terrain/Diffuse shader in Graphics settings.
UnityEngine.Terrain:CreateTerrainGameObject(TerrainData)
<GenerateMap>c__Iterator0:MoveNext() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\TerrainGeneratorScript.cs:67)
Loading biomes...
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
InitializeScript:Start() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\InitializeScript.cs:18)
[C:/buildslave/unity/build/Runtime/Terrain/SplatMaterials.cpp line 383]
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Unity/TerrainGeneratorScript.cs Line: 67)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Unable to find shaders used for the terrain engine. Please include Nature/Terrain/Diffuse shader in Graphics settings.
Loaded biome 'Grassland' from file 'Assets\Data\Biomes\Grassland.xml'.
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
TransportGame.Business.BiomeManager:LoadBiomes() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Business\BiomeManager.cs:42)
InitializeScript:Start() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\InitializeScript.cs:19)
(Filename: C:/buildslave/unity/build/Runtime/Terrain/DetailRenderer.cpp Line: 65)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Loaded biome 'Mountain' from file 'Assets\Data\Biomes\Mountain.xml'.
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
TransportGame.Business.BiomeManager:LoadBiomes() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Business\BiomeManager.cs:42)
InitializeScript:Start() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\InitializeScript.cs:19)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Picked biome: Grassland
(Filename: C:/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebug.gen.cpp Line: 56)
Setting up textures...
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
<GenerateMap>c__Iterator3:MoveNext() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\TerrainGeneratorScript.cs:108)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Generating buildings and roads...
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
<GenerateMap>c__Iterator3:MoveNext() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\TerrainGeneratorScript.cs:136)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
Finished generating road mesh.
UnityEngine.Debug:Internal_Log(Int32, String, Object)
UnityEngine.Debug:Log(Object)
TransportGame.Utils.Logger:Log(Level, String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:66)
TransportGame.Utils.Logger:Info(String, Object[]) (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Utils\Logger.cs:74)
TransportGame.Unity.<Generate>c__Iterator2:MoveNext() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\RoadMeshGenerator.cs:95)
<GenerateMap>c__Iterator3:MoveNext() (at C:\Users\Tibi\Google Drive\FacultateCY\$ Licenta\Game\Assets\Scripts\Unity\TerrainGeneratorScript.cs:155)
(Filename: C:/Users/Tibi/Google Drive/FacultateCY/$ Licenta/Game/Assets/Scripts/Utils/Logger.cs Line: 66)
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Game/UnityVS.Game.CSharp.csproj
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@ -78,6 +78,7 @@
<Compile Include="Assets\Scripts\Generator\RoadGenerator.cs" />
<Compile Include="Assets\Scripts\Generator\TerrainGenerator.cs" />
<Compile Include="Assets\Scripts\Model\Biome.cs" />
<Compile Include="Assets\Scripts\Model\Building.cs" />
<Compile Include="Assets\Scripts\Model\BuildingLot.cs" />
<Compile Include="Assets\Scripts\Model\Config\BuildingGeneratorConfig.cs" />
<Compile Include="Assets\Scripts\Model\Config\RoadGeneratorConfig.cs" />
@ -85,6 +86,7 @@
<Compile Include="Assets\Scripts\Model\IPositionable.cs" />
<Compile Include="Assets\Scripts\Model\LineSegment.cs" />
<Compile Include="Assets\Scripts\Model\Map.cs" />
<Compile Include="Assets\Scripts\Model\Polygon.cs" />
<Compile Include="Assets\Scripts\Model\Rectangle.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNetwork.cs" />
<Compile Include="Assets\Scripts\Model\Road\RoadNode.cs" />
@ -93,6 +95,7 @@
<Compile Include="Assets\Scripts\Model\Vector2.cs" />
<Compile Include="Assets\Scripts\Noise\NoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Noise\PerlinNoiseGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\BuildingMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\InitializeScript.cs" />
<Compile Include="Assets\Scripts\Unity\RoadMeshGenerator.cs" />
<Compile Include="Assets\Scripts\Unity\TerrainGeneratorScript.cs" />