Move map implementation to map.cpp

cpp/src/map.cpp

@@ -0,0 +1,52 @@
+#include <cassert>
+#include <vector>
+
+#include "log.hpp"
+#include "map.hpp"
+#include "tile.hpp"
+
+Map::Map(int rows, int cols) : m_Cols(cols), m_Rows(rows) {
+  bool sw = true;
+  LOG_DEBUG("cols = ", cols, " rows = ", rows);
+  m_Tiles = std::vector<std::vector<const Tile *>>{};
+  for (size_t row = 0; row < m_Rows; row++) {
+    m_Tiles.push_back(std::vector<const Tile *>{});
+    for (size_t col = 0; col < m_Cols; col++) {
+      if (sw)
+        m_Tiles[row].push_back(&tile_types.at("Grass"));
+      else
+        m_Tiles[row].push_back(&tile_types.at("Road"));
+      sw = !sw;
+    }
+    sw = !sw;
+  }
+}
+
+WorldPos Map::TileToWorld(TilePos p) const {
+  return WorldPos{p.x * TILE_SIZE, p.y * TILE_SIZE};
+}
+
+TilePos Map::WorldToTile(WorldPos p) const {
+  return TilePos{p.x / TILE_SIZE, p.y / TILE_SIZE};
+}
+
+WorldPos Map::GetTileSize() const { return WorldPos{TILE_SIZE, TILE_SIZE}; }
+
+const Tile *Map::GetTileAt(TilePos p) const {
+  assert(IsTilePosValid(p));
+  size_t row = p.x;
+  size_t col = p.y;
+
+  return m_Tiles[row][col];
+}
+
+const Tile *Map::GetTileAt(WorldPos p) const {
+  return GetTileAt(WorldToTile(p));
+}
+
+bool Map::IsTilePosValid(TilePos p) const {
+  size_t row = p.x;
+  size_t col = p.y;
+
+  return row < m_Tiles.size() && col < m_Tiles[0].size();
+}