Using tmxlite instead of Tileson

1 files changed, 46 insertions, 0 deletions

@@ -0,0 +1,46 @@
+#include "map.h"
+#include <tmxlite/Map.hpp>
+#include <tmxlite/Layer.hpp>
+#include <tmxlite/TileLayer.hpp>
+#include <tmxlite/Tileset.hpp>
+#include "renderer.h"
+
+Map::Map(std::string_view filename, Renderer& renderer) {
+  tmx::Map mapfile;
+  if (!mapfile.load(filename.data())) {
+    throw std::invalid_argument("Could not find map file: " + std::string(filename));
+  }
+
+  const tmx::Vector2u& mapSize = mapfile.getTileCount();
+  mapSize_.x() = mapSize.x;
+  mapSize_.y() = mapSize.y;
+
+  const tmx::Vector2u& tileSize = mapfile.getTileSize();
+  tileSize_.x() = tileSize.x;
+  tileSize_.y() = tileSize.y;
+
+  int firstGID = 0;
+  // There should only be one tileset.
+  for (const tmx::Tileset& tileset : mapfile.getTilesets()) {
+    firstGID = tileset.getFirstGID();
+    tilesetTextureId_ = renderer.loadImageFromFile(tileset.getImagePath());
+    tilesetColumns_ = tileset.getColumnCount();
+  }
+
+  for (const auto& layer : mapfile.getLayers()) {
+    if (layer->getType() == tmx::Layer::Type::Tile) {
+      const auto& tileLayer = layer->getLayerAs<tmx::TileLayer>();
+
+      std::vector<Tile> tilesToStore;
+
+      for (const auto& maptile : tileLayer.getTiles()) {
+        tilesToStore.push_back(Tile {
+          .id = maptile.ID - firstGID,
+          .flipHorizontal = (maptile.flipFlags & tmx::TileLayer::Horizontal) != 0,
+          .flipVertical = (maptile.flipFlags & tmx::TileLayer::Vertical) != 0 });
+      }
+
+      layers_.push_back(std::move(tilesToStore));
+    }
+  }
+}