std::vector<Polygon2d> GenerateHitboxes(TileSet &tileSet, TileMap &tileMap)
{
std::vector<Polygon2d> hitboxes;
const int tileWidth = tileSet.tileSize.x;
const int tileHeight = tileSet.tileSize.y;
if(tileSet.IsDirty())
return hitboxes;
for(int layer = 0; layer < 3; layer++)
{
for(int col = 0; col < tileMap.GetColumnsCount(); col++)
{
for(int row = 0; row < tileMap.GetRowsCount(); row++)
{
//Note : a hitbox is also added for empty/non-collidable tiles to ease the hitbox update when changing a tile
Polygon2d newPolygon;
if(tileMap.GetTile(layer, col, row) != -1 && tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).collidable)
{
newPolygon = tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).hitbox;
}
newPolygon.Move(col * tileWidth, row * tileHeight);
hitboxes.push_back(newPolygon);
}
}
}
return hitboxes;
}
sf::VertexArray GenerateVertexArray(TileSet &tileSet, TileMap &tileMap)
{
sf::VertexArray vertexArray(sf::Quads);
int tileWidth = tileSet.tileSize.x;
int tileHeight = tileSet.tileSize.y;
if(tileSet.IsDirty())
return vertexArray;
for(int layer = 0; layer < 3; layer++)
{
for(int col = 0; col < tileMap.GetColumnsCount(); col++)
{
for(int row = 0; row < tileMap.GetRowsCount(); row++)
{
TileTextureCoords coords;
if(tileMap.GetTile(layer, col, row) != -1)
{
coords = tileSet.GetTileTextureCoords(tileMap.GetTile(layer, col, row));
}
else
{
coords = tileSet.GetTileTextureCoords(0);
}
{
sf::Vertex vertex(sf::Vector2f(col * tileWidth, row * tileHeight), coords.topLeft);
if(tileMap.GetTile(layer, col, row) == -1)
vertex.color.a = 0;
vertexArray.append(vertex);
}
{
sf::Vertex vertex(sf::Vector2f(col * tileWidth, (row + 1) * tileHeight), coords.bottomLeft);
if(tileMap.GetTile(layer, col, row) == -1)
vertex.color.a = 0;
vertexArray.append(vertex);
}
{
sf::Vertex vertex(sf::Vector2f((col + 1) * tileWidth, (row + 1) * tileHeight), coords.bottomRight);
if(tileMap.GetTile(layer, col, row) == -1)
vertex.color.a = 0;
vertexArray.append(vertex);
}
{
sf::Vertex vertex(sf::Vector2f((col + 1) * tileWidth, row * tileHeight), coords.topRight);
if(tileMap.GetTile(layer, col, row) == -1)
vertex.color.a = 0;
vertexArray.append(vertex);
}
}
}
}
return vertexArray;
}
void UpdateHitboxes(std::vector<Polygon2d> &polygons, sf::Vector2f position, int layer, int col, int row, TileSet &tileSet, TileMap &tileMap)
{
if(tileSet.IsDirty())
return;
const int vertexPos = layer * tileMap.GetColumnsCount() * tileMap.GetRowsCount() + col * tileMap.GetRowsCount() + row;
const int tileWidth = tileSet.tileSize.x;
const int tileHeight = tileSet.tileSize.y;
if(tileMap.GetTile(layer, col, row) != -1 && tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).collidable)
{
polygons[vertexPos] = tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).hitbox;
}
else
{
polygons[vertexPos] = Polygon2d();
}
polygons[vertexPos].Move(position.x + col * tileWidth, position.y + row * tileHeight);
}
void UpdateVertexArray(sf::VertexArray &vertexArray, int layer, int col, int row, TileSet &tileSet, TileMap &tileMap)
{
if(tileSet.IsDirty())
return;
const int vertexPos = 4 * (layer * tileMap.GetColumnsCount() * tileMap.GetRowsCount() + col * tileMap.GetRowsCount() + row);
TileTextureCoords newCoords = tileMap.GetTile(layer, col, row) != -1 ? tileSet.GetTileTextureCoords(tileMap.GetTile(layer, col, row)) : tileSet.GetTileTextureCoords(0);
vertexArray[vertexPos].texCoords = newCoords.topLeft;
vertexArray[vertexPos + 1].texCoords = newCoords.bottomLeft;
vertexArray[vertexPos + 2].texCoords = newCoords.bottomRight;
vertexArray[vertexPos + 3].texCoords = newCoords.topRight;
for(int i = 0; i < 4; i++)
{
if(tileMap.GetTile(layer, col, row) == -1)
{
vertexArray[vertexPos + i].color.a = 0;
}
else
{
vertexArray[vertexPos + i].color.a = 255;
}
}
}
bool TileMapImporter::ImportTileMap(TileSet &tileSet, TileMap &tileMap,
bool importTileMap, bool importTileSetConf, bool importTileSetImage,
bool importHitboxes, gd::Project &project)
{
//Checks the map type
if(m_map->GetOrientation() != Tmx::TMX_MO_ORTHOGONAL)
{
gd::LogError(_("Only orthogonal maps are supported !"));
return false;
}
//Get the tileset list
if(m_map->GetNumTilesets() < 1)
{
gd::LogError(_("There are no tilesets in this file !"));
return false;
}
else if(m_map->GetNumTilesets() > 1)
{
gd::LogWarning(_("Only the first tileset will be taken into account. Tiles from supplementary tilesets may be lost."));
}
//Import the tileset image if needed
if(importTileSetImage)
{
const Tmx::Image *importedImage = m_map->GetTileset(0)->GetImage();
wxFileName imageFileName(importedImage->GetSource());
imageFileName.MakeAbsolute(wxFileName(m_filePath).GetPath());
if(!imageFileName.FileExists())
{
gd::LogError(_("The image can't be found !"));
return false;
}
gd::String newResourceName = gd::NewNameGenerator::Generate(
u8"imported_" + imageFileName.GetFullName(),
[&project](const gd::String &name) -> bool { return project.GetResourcesManager().HasResource(name); }
);
gd::LogMessage(_("The image is imported as ") + "\"" + newResourceName + "\".");
imageFileName.MakeRelativeTo(wxFileName(project.GetProjectFile()).GetPath());
project.GetResourcesManager().AddResource(newResourceName, imageFileName.GetFullPath(), "image");
tileSet.textureName = newResourceName;
//Reload the texture
tileSet.LoadResources(project);
gd::LogStatus(_("Tileset image importation completed."));
}
//Import the tileset configuration if wanted
if(importTileSetConf)
{
const Tmx::Tileset *importedTileset = m_map->GetTileset(0);
if(importedTileset->GetImage()->GetWidth() != tileSet.GetWxBitmap().GetWidth() ||
importedTileset->GetImage()->GetHeight() != tileSet.GetWxBitmap().GetHeight())
{
gd::LogWarning(_("Tileset image size is not the same. Some tiles may not be rendered correctly."));
}
tileSet.tileSize.x = importedTileset->GetTileWidth();
tileSet.tileSize.y = importedTileset->GetTileHeight();
tileSet.tileSpacing.x = tileSet.tileSpacing.y = importedTileset->GetSpacing();
if(importedTileset->GetMargin() > 0)
{
gd::LogWarning(_("Tilemap objects don't handle tilesets with margins around the images. Consider cutting the picture."));
}
gd::LogStatus(_("Tileset configuration importation completed."));
}
//Import the tilemap tiles if wanted
if(importTileMap)
{
//Tilemap size
if(tileMap.GetColumnsCount() != m_map->GetWidth() || tileMap.GetRowsCount() != m_map->GetHeight())
gd::LogMessage(_("Tilemap size is different."));
tileMap.SetSize(0, 0);
tileMap.SetSize(m_map->GetWidth(), m_map->GetHeight());
if(!importTileSetConf && !importTileSetImage)
CheckTilesCount(tileSet);
//Import layers and tiles
if(m_map->GetNumTileLayers() > 3)
{
gd::LogWarning(_("There are more than 3 tiles layers. Only the 3 firsts will be imported."));
}
else if(m_map->GetNumTileLayers() < 3)
{
gd::LogMessage(_("There are less than 3 tiles layers. Upper layer(s) will be empty."));
}
for(std::size_t i = 0; i < std::min(3, m_map->GetNumTileLayers()); i++)
{
const Tmx::TileLayer *layer = m_map->GetTileLayer(i);
for(std::size_t x = 0; x < tileMap.GetColumnsCount(); x++)
{
for(std::size_t y = 0; y < tileMap.GetRowsCount(); y++)
{
//Only tiles provided by the first tileset are imported (and also tests for empty tiles)
if(m_map->FindTilesetIndex(layer->GetTileGid(x, y)) == 0)
{
tileMap.SetTile(i, x, y, layer->GetTileId(x, y));
}
}
}
}
gd::LogStatus(_("Tilemap content importation completed."));
}
//Import the hitboxes
if(importHitboxes)
{
const Tmx::Tileset *importedTileset = m_map->GetTileset(0);
//Set all tiles not collidable in the tileset
tileSet.ResetHitboxes();
for(std::size_t i = 0; i < tileSet.GetTilesCount(); i++)
tileSet.SetTileCollidable(i, false);
if(!importTileSetConf && !importTileSetImage)
CheckTilesCount(tileSet);
bool hasMoreThanOneObjectPerTile = false;
bool hasNotPolygoneObject = false;
bool hasNotConvexPolygon = false;
for(auto it = importedTileset->GetTiles().cbegin();
it != importedTileset->GetTiles().cend();
++it)
{
const Tmx::Tile *importedTile = *it;
if(importedTile->GetId() < tileSet.GetTilesCount()) //Check if the tileset has enough tiles to receive the imported hitboxes
{
if(importedTile->HasObjects())
{
//Set the tile collidable and gets its hitbox
tileSet.SetTileCollidable(importedTile->GetId(), true);
TileHitbox &tileHitbox = tileSet.GetTileHitboxRef(importedTile->GetId());
//Warn the user if more than one hitbox per tile is found
if(importedTile->GetNumObjects() > 1)
hasMoreThanOneObjectPerTile = true;
const Tmx::Object *importedObj = importedTile->GetObject(0);
if(!importedObj->GetPolyline() && !importedObj->GetEllipse())
{
Polygon2d polygonHitbox;
if(!importedObj->GetPolygon())
{
//This is a rectangle
polygonHitbox = Polygon2d::CreateRectangle(importedObj->GetWidth(), importedObj->GetHeight());
polygonHitbox.Move(
importedObj->GetWidth() / 2.f,
importedObj->GetHeight() / 2.f
);
}
else
{
//This is a polygon
const Tmx::Polygon *importedPolygon = importedObj->GetPolygon();
for(int i = 0; i < importedPolygon->GetNumPoints(); i++)
{
polygonHitbox.vertices.emplace_back(
importedPolygon->GetPoint(i).x,
importedPolygon->GetPoint(i).y
);
}
}
polygonHitbox.Move(importedObj->GetX(), importedObj->GetY());
polygonHitbox.Rotate(importedObj->GetRot());
if(polygonHitbox.IsConvex())
tileHitbox.hitbox = polygonHitbox;
else
hasNotConvexPolygon = true;
}
else
{
//This is not a supported shape
hasNotPolygoneObject = true;
}
}
}
}
if(hasMoreThanOneObjectPerTile)
gd::LogWarning(_("Some tiles have more than 1 hitbox. Only the first one is imported."));
if(hasNotPolygoneObject)
gd::LogWarning(_("Some tiles have a polyline or a ellipsis hitbox. Only rectangle and polygon hitboxes are supported."));
if(hasNotConvexPolygon)
gd::LogWarning(_("Some tiles have a concave polygon. It has been ignored and set to a rectangular hitbox as this object only supports convex hitboxes for tiles."));
gd::LogStatus(_("Tiles hitboxes importation completed."));
}
return true;
}
