From 7cb678a9dc4e8fdc0538139179193ab38d73cbda Mon Sep 17 00:00:00 2001
From: Modar Nasser <modar1999@gmail.com>
Date: Sun, 19 May 2024 16:38:21 +0200
Subject: [PATCH] Fix Layer::getCoordIdAt calculation

---
 include/LDtkLoader/Layer.hpp |  2 +-
 include/LDtkLoader/Tile.hpp  |  5 ++++-
 src/Layer.cpp                |  5 +++--
 src/Tile.cpp                 | 11 +++++------
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/include/LDtkLoader/Layer.hpp b/include/LDtkLoader/Layer.hpp
index 8090874..1601e8d 100644
--- a/include/LDtkLoader/Layer.hpp
+++ b/include/LDtkLoader/Layer.hpp
@@ -56,7 +56,7 @@ namespace ldtk {
         auto getEntitiesByTag(const std::string& tag) const -> const std::vector<ref_wrapper<Entity>>&;
         auto getEntity(const IID& entity_iid) const -> const Entity&;
 
-        auto getCoordIdAt(int x, int y) const -> int;
+        auto getCoordIdAt(int grid_x, int grid_y) const -> int;
 
         Layer(const nlohmann::json& j, const World* w, const Level* l);
 
diff --git a/include/LDtkLoader/Tile.hpp b/include/LDtkLoader/Tile.hpp
index 79c71a3..3704497 100644
--- a/include/LDtkLoader/Tile.hpp
+++ b/include/LDtkLoader/Tile.hpp
@@ -35,7 +35,10 @@ namespace ldtk {
 
         static const Tile None;
 
-        Tile(const Layer* l, IntPoint pos, int tile_id, int flips, float a);
+        Tile(const Layer* l, IntPoint pos, int coord_id, int tile_id, int flips, float a);
+
+    private:
+        IntPoint m_position;
     };
 
     auto operator==(const Tile& l, const Tile& r) -> bool;
diff --git a/src/Layer.cpp b/src/Layer.cpp
index d3b8fba..fd5e4ee 100644
--- a/src/Layer.cpp
+++ b/src/Layer.cpp
@@ -31,6 +31,7 @@ Layer::Layer(const nlohmann::json& j, const World* w, const Level* l)
         m_tiles.emplace_back(
             this,
             IntPoint{tile["px"][0].get<int>(), tile["px"][1].get<int>()},
+            key == "gridTiles" ? tile["d"][0].get<int>() : tile["d"][1].get<int>(),
             tile["t"].get<int>(),
             tile["f"].get<int>(),
             tile["a"].get<float>()
@@ -163,7 +164,7 @@ auto Layer::getEntity(const IID& entity_iid) const -> const Entity&
     ldtk_error("Entity with IID \"" + entity_iid.str() + "\" not found in Layer \"" + getName() + "\".");
 }
 
-auto Layer::getCoordIdAt(int x, int y) const -> int
+auto Layer::getCoordIdAt(int grid_x, int grid_y) const -> int
 {
-    return (x + y * m_grid_size.x) / getCellSize();
+    return grid_x + grid_y * m_grid_size.x;
 }
diff --git a/src/Tile.cpp b/src/Tile.cpp
index 1816bed..21fbb56 100644
--- a/src/Tile.cpp
+++ b/src/Tile.cpp
@@ -7,23 +7,22 @@
 
 using namespace ldtk;
 
-const Tile Tile::None{nullptr, {-1, -1}, -1, 0, 0};
+const Tile Tile::None{nullptr, {-1, -1}, -1, -1, 0, 0};
 
-Tile::Tile(const Layer* l, IntPoint pos, int tile_id, int flips, float a)
+Tile::Tile(const Layer* l, IntPoint pos, int coord_id, int tile_id, int flips, float a)
 : layer(l)
-, coordId(l == nullptr ? -1 : l->getCoordIdAt(pos.x, pos.y))
+, coordId(coord_id)
 , tileId(tile_id)
 , flipX((flips & 1) != 0)
 , flipY(((flips >> 1) & 1) != 0)
 , alpha(a)
+, m_position(pos)
 {}
 
 auto Tile::getPosition() const -> IntPoint
 {
-    auto cell_size = layer->getCellSize();
-    auto grid_pos = getGridPosition();
     auto offset = layer->getOffset();
-    return {grid_pos.x * cell_size + offset.x, grid_pos.y * cell_size + offset.y};
+    return {m_position.x + offset.x, m_position.y + offset.y};
 }
 
 auto Tile::getGridPosition() const -> IntPoint