/// <summary>
/// Use <see cref="DynamicMapsService"/> to load geometry, replacing any buildings as needed.
/// </summary>
private void Awake()
{
// Make sure a prefab has been specified.
if (Prefab == null)
{
Debug.LogError(ExampleErrors.MissingParameter(this, Prefab, "Prefab",
"to replace specific buildings with"));
return;
}
// Get required DynamicMapsService component on this GameObject.
DynamicMapsService dynamicMapsService = GetComponent <DynamicMapsService>();
// See if any options have been set indicating which types of buildings to replace, signing up
// to WillCreate events if so.
if (ReplaceBars || ReplaceBanks || ReplaceLodgings || ReplaceCafes || ReplaceRestaurants ||
ReplaceEventVenues || ReplaceTouristDestinations || ReplaceShops || ReplaceSchools ||
ReplaceUnspecifieds)
{
// Create styles for ExtrudedStructure and ModeledStructure type buildings that are to be
// replaced with a prefab.
ExtrudedStructureStyle extrudedPrefabStyle = new ExtrudedStructureStyle.Builder {
Prefab = Prefab
}.Build();
ModeledStructureStyle modeledPrefabStyle = new ModeledStructureStyle.Builder {
Prefab = Prefab
}.Build();
// Sign up to events called just before any new building is loaded, so we can check each
// building's usage type and replace it with prefab if needed. Note that:
// - DynamicMapsService.MapsService is auto-found on first access (so will not be null).
// - These events must be set now during Awake, so that when DynamicMapsService starts
// loading the map during Start, these event will be triggered for all ExtrudedStructures
// and ModeledStructures.
dynamicMapsService.MapsService.Events.ExtrudedStructureEvents.WillCreate.AddListener(args => {
if (ShouldReplaceBuilding(args.MapFeature.Metadata.Usage))
{
args.Style = extrudedPrefabStyle;
}
});
dynamicMapsService.MapsService.Events.ModeledStructureEvents.WillCreate.AddListener(args => {
if (ShouldReplaceBuilding(args.MapFeature.Metadata.Usage))
{
args.Style = modeledPrefabStyle;
}
});
}
// See if we should be replacing any suppressed buildings with prefab, signing up to DidCreate
// event if so.
if (ReplaceSuppressed)
{
// Sign up to event called just after any new building is loaded, so we can check if the
// building's mesh has been suppressed and should be replaced with a prefab.
dynamicMapsService.MapsService.Events.ExtrudedStructureEvents.DidCreate.AddListener(
args => TryReplaceSuppressedBuilding(args.GameObject));
dynamicMapsService.MapsService.Events.ModeledStructureEvents.DidCreate.AddListener(
args => TryReplaceSuppressedBuilding(args.GameObject));
}
}
/// <summary>
/// Setup default <see cref="GameObjectOptions"/>.
/// </summary>
static ExampleDefaults()
{
// Find shaders that will be used to create required Materials for rendering geometry
// generated by the Maps SDK for Unity.
Shader standardShader = Shader.Find("Google/Maps/Shaders/Standard");
if (standardShader == null)
{
// Try to find the Unity Standard Shader as a backup.
standardShader = Shader.Find("Standard");
if (standardShader == null)
{
// Try to find the Legacy Diffuse Shader as a backup-backup.
standardShader = Shader.Find("Diffuse");
if (standardShader == null)
{
Debug.LogErrorFormat(
"Unable to find Maps SDK for Unity Standard Shader (named " +
"\"Google/Maps/Shaders/Standard\"), or as a backup the Unity Standard " +
"Shader (named \"Standard\"), or as a backup-backup the Legacy Unity " +
"Standard Shader (named \"Diffuse\"), so cannot setup default materials in {0}",
typeof(ExampleDefaults));
return;
}
Debug.LogWarningFormat(
"Unable to find Maps SDK for Unity Standard Shader (named " +
"\"Google/Maps/Shaders/Standard\"), or as a backup the Unity Standard Shader " +
"(named \"Standard\")\nDefaulting to Legacy Unity Standard Shader (named" +
"\"Diffuse\") as a backup-backup for setting up default materials in {0}",
typeof(ExampleDefaults));
}
else
{
Debug.LogWarningFormat(
"Unable to find Maps SDK for Unity Standard Shader (named " +
"\"Google/Maps/Shaders/Standard\").\nDefaulting to the Unity Standard Shader " +
"(named \"Standard\") as a backup for setting up default materials in {0}",
typeof(ExampleDefaults));
}
}
// Find BaseMaps Shader. Note that this Shader does not have a backup, as it has unique
// behaviour needed for BaseMap level geometry to show in the correct render order.
Shader baseMapShader = Shader.Find("Google/Maps/Shaders/BaseMap Color");
if (baseMapShader == null)
{
Debug.LogErrorFormat(
"Unable to find Maps SDK for Unity Base Map Shader (named " +
"\"Google/Maps/Shaders/BaseMap Color\"), so unable to setup default materials in " +
"{0}",
typeof(ExampleDefaults));
return;
}
// Create default materials for use by buildings, as well as other materials for use by water,
// ground, roads, etc.
Material wallMaterial = new Material(standardShader)
{
color = new Color(1f, 0.75f, 0.5f)
};
Material roofMaterial = new Material(standardShader)
{
color = new Color(1f, 0.8f, 0.6f)
};
Material regionMaterial = new Material(baseMapShader)
{
color = new Color(0.5f, 0.7f, 0.5f),
};
regionMaterial.SetFloat("_Glossiness", 1f);
Material waterMaterial = new Material(baseMapShader)
{
color = new Color(0.0f, 1.0f, 1.0f),
};
waterMaterial.SetFloat("_Glossiness", 1f);
Material segmentMaterial = new Material(baseMapShader)
{
color = new Color(0.5f, 0.5f, 0.5f),
};
segmentMaterial.SetFloat("_Glossiness", 0.5f);
// Create style for buildings made from extruded shapes (most buildings).
ExtrudedStructureStyle extrudedStructureStyle =
new ExtrudedStructureStyle
.Builder {
WallMaterial = wallMaterial, RoofMaterial = roofMaterial
}
.Build();
// Create style for buildings with detailed vertex/triangle data (such as the Statue of
// Liberty).
ModeledStructureStyle modeledStructureStyle =
new ModeledStructureStyle.Builder {
Material = wallMaterial
}.Build();
// Create style for regions (such as parks).
RegionStyle regionStyle = new RegionStyle.Builder {
FillMaterial = regionMaterial
}.Build();
// Create style for bodies of water (such as oceans).
AreaWaterStyle areaWaterStyle =
new AreaWaterStyle.Builder {
FillMaterial = waterMaterial
}.Build();
// Create style for lines of water (such as narrow rivers).
LineWaterStyle lineWaterStyle =
new LineWaterStyle.Builder {
Material = waterMaterial
}.Build();
// Create style for segments (such as roads).
SegmentStyle segmentStyle =
new SegmentStyle.Builder {
Material = segmentMaterial, Width = 7.0f
}.Build();
// Collect styles into a form that can be given to map loading function.
DefaultGameObjectOptions = new GameObjectOptions {
ExtrudedStructureStyle = extrudedStructureStyle,
ModeledStructureStyle = modeledStructureStyle,
RegionStyle = regionStyle,
AreaWaterStyle = areaWaterStyle,
LineWaterStyle = lineWaterStyle,
SegmentStyle = segmentStyle,
};
}
/// <summary>
/// Returns a new <see cref="GameObjectOptions"/> instance reflecting the properties on
/// this component.
/// </summary>
private GameObjectOptions CreateGameObjectOptions()
{
GameObjectOptions gameObjectOptions = new GameObjectOptions();
// Terrain style
TerrainStyle.Builder terrainStyleBuilder = new TerrainStyle.Builder()
{
AlphaMapResolutionMetersPerPixel = AlphaMapResolutionMetersPerPixel,
BaseMapResolutionMetersPerPixel = BaseMapResolutionMetersPerPixel,
BaseMapDistance = BaseMapDistance,
TerrainLayers = new List <TerrainLayer>(TerrainLayers),
};
gameObjectOptions.TerrainStyle = terrainStyleBuilder.Build();
// Segment style
SegmentStyle.Builder segmentStyleBuilder = new SegmentStyle.Builder()
{
Material = SegmentMaterial,
IntersectionMaterial = IntersectionMaterial,
GameObjectLayer = gameObjectOptions.TerrainStyle.TerrainPaintingLayer
};
gameObjectOptions.SegmentStyle = segmentStyleBuilder.Build();
// Area water style
AreaWaterStyle.Builder areaWaterStyleBuilder = new AreaWaterStyle.Builder()
{
FillMaterial = AreaWaterMaterial,
GameObjectLayer = gameObjectOptions.TerrainStyle.TerrainPaintingLayer
};
gameObjectOptions.AreaWaterStyle = areaWaterStyleBuilder.Build();
// Region style
RegionStyle.Builder regionStyleBuilder = new RegionStyle.Builder()
{
FillMaterial = RegionMaterial,
GameObjectLayer = gameObjectOptions.TerrainStyle.TerrainPaintingLayer
};
gameObjectOptions.RegionStyle = regionStyleBuilder.Build();
// Line water style
LineWaterStyle.Builder lineWaterStyleBuilder = new LineWaterStyle.Builder()
{
Material = LineWaterMaterial,
GameObjectLayer = gameObjectOptions.TerrainStyle.TerrainPaintingLayer
};
gameObjectOptions.LineWaterStyle = lineWaterStyleBuilder.Build();
// Extruded structure style
ExtrudedStructureStyle.Builder extrudedStructureStyleBuilder =
new ExtrudedStructureStyle.Builder()
{
RoofMaterial = BuildingMaterial,
WallMaterial = BuildingMaterial
};
gameObjectOptions.ExtrudedStructureStyle = extrudedStructureStyleBuilder.Build();
// Modeled structure style
ModeledStructureStyle.Builder modeledStructureStyleBuilder =
new ModeledStructureStyle.Builder()
{
Material = BuildingMaterial
};
gameObjectOptions.ModeledStructureStyle = modeledStructureStyleBuilder.Build();
return(gameObjectOptions);
}
/// <summary>
/// Connect to <see cref="FloatingOriginUpdater.OnFloatingOriginUpdate"/>, so that whenever the
/// world's Floating Origin is moved, all controlled world space textured
/// <see cref="WorldspaceMaterials"/> are realigned to the world's new Floating Origin.
/// </summary>
private void Start()
{
// Verify all required parameters are defined, skipping further setup if not.
if (!VerifyParameters())
{
enabled = false;
return;
}
// Get the required Floating Origin component on this GameObject.
FloatingOriginUpdater floatingOriginUpdater = GetComponent <FloatingOriginUpdater>();
// Make sure that whenever the Floating Origin is updated, Materials are updated in sync.
floatingOriginUpdater.OnFloatingOriginUpdate.AddListener(UpdateWorldspaceMaterialOffsets);
// Store all Materials that are to be updated. This function only stores Materials that have an
// _Offset Vector, which will be used to offset the Material's world space coordinates to align
// to the world's moved Floating Origin.
TryAddMaterial(Buildings);
TryAddMaterial(Roads);
TryAddMaterial(Ground);
TryAddMaterial(Water);
// Because the Floating Origin has not yet been moved, there is no need to apply an _Offset to
// these Materials yet. Instead we make sure these Material's _Offsets start at (0, 0, 0).
UpdateWorldspaceMaterialOffsets(Vector3.zero);
// Create styles to assign world space textured Materials to geometry as it is created.
ExtrudedStructureStyle extrudedStructureStyle = new ExtrudedStructureStyle.Builder {
WallMaterial = Buildings,
RoofMaterial = Buildings
}.Build();
ModeledStructureStyle modeledStructureStyle = new ModeledStructureStyle.Builder {
Material = Buildings
}.Build();
SegmentStyle roadsStyle = new SegmentStyle.Builder {
Material = Roads,
BorderMaterial = Borders,
Width = 7.0f,
BorderWidth = BorderWidth
}.Build();
RegionStyle groundStyle = new RegionStyle.Builder {
FillMaterial = Ground
}.Build();
AreaWaterStyle areaWaterStyle = new AreaWaterStyle.Builder {
FillMaterial = Water
}.Build();
LineWaterStyle lineWaterStyle = new LineWaterStyle.Builder {
Material = Water,
Width = 7.0f
}.Build();
GameObjectOptions renderingStyles = ExampleDefaults.DefaultGameObjectOptions;
renderingStyles.ExtrudedStructureStyle = extrudedStructureStyle;
renderingStyles.ModeledStructureStyle = modeledStructureStyle;
renderingStyles.SegmentStyle = roadsStyle;
renderingStyles.RegionStyle = groundStyle;
renderingStyles.AreaWaterStyle = areaWaterStyle;
renderingStyles.LineWaterStyle = lineWaterStyle;
DynamicMapsService dynamicMapsService = floatingOriginUpdater.DynamicMapsService;
dynamicMapsService.RenderingStyles = renderingStyles;
// Make sure that if any new Materials are cloned by the Maps Service (which can occur to
// resolve z-fighting issues), that these new cloned materials are added to the list of managed
// Materials.
MapsService mapsService = dynamicMapsService.MapsService;
mapsService.Events.RegionEvents.DidCreate.AddListener(
args => TryAddMaterialFrom(args.GameObject));
mapsService.Events.AreaWaterEvents.DidCreate.AddListener(
args => TryAddMaterialFrom(args.GameObject));
mapsService.Events.LineWaterEvents.DidCreate.AddListener(
args => TryAddMaterialFrom(args.GameObject));
mapsService.Events.SegmentEvents.DidCreate.AddListener(
args => TryAddMaterialFrom(args.GameObject));
mapsService.Events.ModeledStructureEvents.DidCreate.AddListener(
args => TryAddMaterialFrom(args.GameObject));
// For extruded buildings, also create borders around the edges of these buildings, to match
// borders around roads.
mapsService.Events.ExtrudedStructureEvents.DidCreate.AddListener(args => {
Debug.Log(args.MapFeature.MapFeatureMetadata.PlaceId);
TryAddMaterialFrom(args.GameObject);
Extruder.AddBuildingBorder(args.GameObject, args.MapFeature.Shape, Borders, BorderWidth);
});
}
