From 5dbee173b961792b42596cb792a50624555cc41b Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Mon, 20 Mar 2023 15:27:31 +0100
Subject: src, senery, serialize: implement z offset

---
 scenery/furniture/table1.json | 16 ++++------------
 serialize/anim.cpp            | 11 +++++++++--
 src/anim.hpp                  |  1 +
 src/entity.cpp                |  6 +++---
 src/entity.hpp                |  4 ++--
 5 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/scenery/furniture/table1.json b/scenery/furniture/table1.json
index c7c922db..f90600a3 100644
--- a/scenery/furniture/table1.json
+++ b/scenery/furniture/table1.json
@@ -8,16 +8,12 @@
 				}
 			],
 			"ground": "960 x 540",
-			"name": "n"
+			"name": "n",
+			"z-offset": "0 x 32"
 		},
 		{
 			"mirror-from": "n",
-			"name": "w",
-			"offset": [
-				0,
-				0,
-				0
-			]
+			"name": "w"
 		},
 		{
 			"frames": [
@@ -33,11 +29,7 @@
 		{
 			"mirror-from": "s",
 			"name": "e",
-			"offset": [
-				0,
-				0,
-				0
-			]
+			"z-offset": "0 x 32"
 		}
 	],
 	"nframes": 1,
diff --git a/serialize/anim.cpp b/serialize/anim.cpp
index 8d867489..4effc375 100644
--- a/serialize/anim.cpp
+++ b/serialize/anim.cpp
@@ -46,6 +46,8 @@ static void to_json(nlohmann::json& j, const anim_group& val)
         j["ground"] = val.ground;
     if (val.offset != def.offset)
         j["offset"] = val.offset;
+    if (val.z_offset != def.z_offset)
+        j["z-offset"] = val.z_offset;
 }
 
 static void from_json(const nlohmann::json& j, anim_group& val)
@@ -54,13 +56,18 @@ static void from_json(const nlohmann::json& j, anim_group& val)
     val.name = j["name"];
     fm_soft_assert(!val.name.isEmpty());
     if (j.contains("mirror-from"))
+    {
+        fm_soft_assert(!j.contains("frames"));
         val.mirror_from = j["mirror-from"];
+    }
     else
         val.frames = j["frames"];
     if (j.contains("ground"))
         val.ground = j["ground"];
     if (j.contains("offset"))
         val.offset = j["offset"];
+    if (j.contains("z-offset"))
+        val.z_offset = j["z-offset"];
 }
 
 static void to_json(nlohmann::json& j, const anim_def& val)
@@ -109,7 +116,7 @@ using namespace floormat;
 
 namespace nlohmann {
 
-void adl_serializer<floormat::anim_scale>::to_json(json& j, const floormat::anim_scale val)
+void adl_serializer<floormat::anim_scale>::to_json(json& j, const anim_scale val)
 {
     switch (val.type)
     {
@@ -126,7 +133,7 @@ void adl_serializer<floormat::anim_scale>::to_json(json& j, const floormat::anim
     }
 }
 
-void adl_serializer<floormat::anim_scale>::from_json(const json& j, floormat::anim_scale& val)
+void adl_serializer<anim_scale>::from_json(const json& j, anim_scale& val)
 {
     fm_soft_assert(j.is_array());
     fm_soft_assert(j.size() == 2);
diff --git a/src/anim.hpp b/src/anim.hpp
index fe455128..4b7b6bc8 100644
--- a/src/anim.hpp
+++ b/src/anim.hpp
@@ -26,6 +26,7 @@ struct anim_group final
     std::vector<anim_frame> frames;
     Vector2ui ground; // for use in anim-crop-tool only
     Vector3b offset;
+    Vector2b z_offset;
 };
 
 enum class anim_scale_type : unsigned char { invalid, ratio, fixed, };
diff --git a/src/entity.cpp b/src/entity.cpp
index 971b532d..1b54117d 100644
--- a/src/entity.cpp
+++ b/src/entity.cpp
@@ -48,15 +48,15 @@ entity::~entity() noexcept
 
 float entity::ordinal() const
 {
-    return ordinal(coord.local(), offset);
+    return ordinal(coord.local(), offset, atlas->group(r).z_offset);
 }
 
-float entity::ordinal(local_coords xy, Vector2b offset) const
+float entity::ordinal(local_coords xy, Vector2b offset, Vector2b z_offset) const
 {
     constexpr auto inv_tile_size = 1.f/TILE_SIZE2;
     constexpr float width = TILE_MAX_DIM+1;
     auto offset_ = ordinal_offset(offset);
-    auto vec = Vector2(xy) + offset_*inv_tile_size;
+    auto vec = Vector2(xy) + offset_*inv_tile_size + Vector2(z_offset)*inv_tile_size;
     return vec[1]*width + vec[0];
 }
 
diff --git a/src/entity.hpp b/src/entity.hpp
index 75e06ba8..f2f6c65b 100644
--- a/src/entity.hpp
+++ b/src/entity.hpp
@@ -54,7 +54,7 @@ struct entity
 
     virtual Vector2 ordinal_offset(Vector2b offset) const = 0;
     float ordinal() const;
-    float ordinal(local_coords xy, Vector2b offset) const;
+    float ordinal(local_coords xy, Vector2b offset, Vector2b z_offset) const;
     struct chunk& chunk() const;
     size_t index() const;
 
@@ -75,7 +75,7 @@ struct entity
     bool is_dynamic() const;
     bool can_rotate(rotation new_r);
     bool can_move_to(Vector2i delta);
-    [[nodiscard]] size_t move_to(size_t i, Vector2i delta, rotation new_r);
+    size_t move_to(size_t i, Vector2i delta, rotation new_r);
 
 protected:
     entity(object_id id, struct chunk& c, const entity_proto& proto);
-- 
cgit v1.2.3