Progress on object placement layout

tools/cookobj/cookobj.py

@@ -9,7 +9,7 @@ from pprint import pp
 def main():
     map_src = realpath(sys.argv[1])
     obj_defs, obj_places = parse_map(map_src)
-    pp(obj_places)
+    # pp(obj_places)
     for key, d in obj_defs.items():
         d.write()
 

tools/cookobj/datatypes.py

@@ -1,14 +1,28 @@
 from dataclasses import dataclass, field
 import typing
 from ctypes import c_ubyte, c_byte, c_short, c_ushort, c_int
-
-# from enum import Enum
+from enum import Enum
 
 c_short = c_short.__ctype_be__
 c_ushort = c_ushort.__ctype_be__
 c_int = c_int.__ctype_be__
 
 
+class DummyObjectId(Enum):
+    RING_3H = -1
+    RING_3V = -2
+
+    @staticmethod
+    def get(name: str) -> int:
+        switch = {
+            "ring_3h": DummyObjectId.RING_3H,
+            "ring_3v": DummyObjectId.RING_3V,
+        }
+        result = switch.get(name.lower())
+        assert result is not None, f"Unknown dummy object {name}"
+        return result
+
+
 # OBJECT TABLE DEFINITION (.OTN) LAYOUT
 # - is_level_specific (u8)
 # - num_classes (u16)
@@ -82,12 +96,13 @@ MaybeObjectFragment = ObjectFragment | None
 @dataclass
 class ObjectData:
     id: int = -1
+    gid: int = -1
     name: str = ""
     animations: [ObjectAnimation] = field(default_factory=list)
     fragment: MaybeObjectFragment = None
 
     def write_to(self, f):
-        f.write(c_ubyte(self.id))
+        f.write(c_byte(self.id))
         f.write(c_ubyte(int(self.fragment is not None)))
         f.write(c_ushort(len(self.animations)))
         for animation in self.animations:
@@ -100,11 +115,19 @@ class ObjectData:
 @dataclass
 class ObjectMap:
     is_level_specific: bool = False
+    name: str = ""
     out: str = ""
     firstgid: int = 0
     num_objs: int = 0
     object_types: typing.Dict[int, ObjectData] = field(default_factory=dict)
 
+    # Mapping of dummy objects (gid -> actual id)
+    obj_mapping: typing.Dict[int, int] = field(default_factory=dict)
+
+    def get_otype_from_gid(self, gid: int) -> int:
+        gid = gid & ~(0b1111 << 29)
+        return self.obj_mapping[gid]
+
     def write(self):
         with open(self.out, "wb") as f:
             self.write_to(f)
@@ -116,10 +139,20 @@ class ObjectMap:
             print(f"Writing object class id {t.id} ({t.name})...")
             t.write_to(f)
 
+    # I don't have a better name for this. Sorry
+    def get_is_specific_if_from_this_map(self, dirty_gid: int) -> bool | None:
+        # Clean GID
+        gid = dirty_gid & ~(0b1111 << 29)
+        if gid >= self.firstgid:
+            return self.is_level_specific
+        return None
+
 
 # OBJECT MAP PLACEMENT (.OMP) LAYOUT
-# - Type / ID (u8)
+# - is_level_specific (u8)
+# - Type / ID (s8)
 # - Flip Mask (u8)
+# - has_properties (u8)
 # - vx (s32)
 # - vy (s32)
 # - Properties (exists depending on Type)
@@ -127,13 +160,38 @@ class ObjectMap:
 #     - kind (u8)
 
 
+@dataclass
+class MonitorProperties:
+    kind: str = ""
+
+
+ObjectProperties = MonitorProperties | None
+
+
 # Root for the .OMP datatype
 @dataclass
 class ObjectPlacement:
+    is_level_specific: bool = False
     otype: int = 0
     x: int = 0
     y: int = 0
     flipx: bool = False
     flipy: bool = False
-    rotcw: bool = False
-    rotct: bool = False
+    rotcw: bool = False  # clockwise rotation
+    rotct: bool = False  # counterclockwise rotation
+    properties: ObjectProperties = None
+
+    def write_to(self, f):
+        flipmask = (
+            ((1 << 0) if self.flipx else 0)
+            | ((1 << 1) if self.flipy else 0)
+            | ((1 << 2) if self.rotcw else 0)
+            | ((1 << 3) if self.rotct else 0)
+        )
+
+        f.write(c_ubyte(int(self.is_level_specific)))
+        f.write(c_byte(self.otype))
+        f.write(c_int(self.x))
+        f.write(c_int(self.y))
+        f.write(c_ubyte(flipmask))
+        # TODO: Properties

tools/cookobj/parsers.py

@@ -1,6 +1,7 @@
 from bs4 import BeautifulSoup
 import toml
 from os.path import realpath, dirname, splitext
+from pprint import pp
 
 from datatypes import *
 
@@ -47,14 +48,21 @@ def parse_tileset(firstgid: int, set_src: str) -> (ObjectMap, str):
             od = ObjectData()
             od.id = obj_id
             od.name = (str(tile["type"]) if tile else "none").lower()
+            gid = int(tile["id"]) + firstgid
             extra = extra_data.get(od.name)
 
             # If this is a dummy object (e.g. rows of rings), we don't
             # need to register it
+            # TODO: These dummy objects will be needed somewhere else!
+            # We actually need to register them, yes! But somewhere
+            # else.
             if extra and extra.get("dummy", False):
                 o.num_objs -= 1
+                o.obj_mapping[gid] = DummyObjectId.get(od.name).value
                 continue
-            # If not a dummy, increase sequential id for next object
+
+            # If this isn't a dummy object, increase object ID.
+            # ID's are sequential only for non-dummy objects.
             obj_id += 1
 
             # Get tile collision
@@ -78,9 +86,8 @@ def parse_tileset(firstgid: int, set_src: str) -> (ObjectMap, str):
             #             for p in points
             #         ]
             #         collision["points"] = points
-            # Get other tile data
 
-            idx = i + firstgid
+            o.obj_mapping[gid] = gid - firstgid
 
             # Append TOML data
             if extra:
@@ -103,7 +110,7 @@ def parse_tileset(firstgid: int, set_src: str) -> (ObjectMap, str):
             #     # TODO: append collision
             #     pass
 
-            o.object_types[idx] = od
+            o.object_types[gid] = od
         else:
             o.num_objs -= 1
 
@@ -111,9 +118,61 @@ def parse_tileset(firstgid: int, set_src: str) -> (ObjectMap, str):
     o.out = splitext(set_src)[0] + ".OTD"
     o.is_level_specific = ts["name"] != "objects_common"
     o.num_objs = len(o.object_types)
+    o.name = ts["name"]
     return (o, ts["name"])
 
 
+def parse_object_group(
+    tilesets: typing.Dict[str, ObjectMap], objgroup
+) -> [ObjectPlacement]:
+    is_level_specific = False
+    current_ts = None
+    placements = []
+
+    objects = objgroup.find_all("object", [])
+    if not objects:
+        return []
+
+    # Get first object's gid.
+    first_obj = sorted(objects, key=lambda x: int(x.get("gid")))[0]
+    first_obj_gid = int(first_obj.get("gid"))
+    print(f"First object gid: {first_obj_gid}")
+
+    # Identify if this is from common objects tileset or from level-specific tileset.
+    for key, ts in tilesets.items():
+        print(f"First gid: {ts.firstgid}")
+        result = ts.get_is_specific_if_from_this_map(first_obj_gid)
+        if result is not None:
+            current_ts = ts
+            is_level_specific = result
+
+    # If the tileset was not found... DON'T GO BEYOND THIS POINT!
+    assert current_ts is not None, "Object was not found in any tilesets!"
+
+    # Iterate over placements
+    for obj in objects:
+        p = ObjectPlacement()
+        p.is_level_specific = is_level_specific
+        p.otype = current_ts.get_otype_from_gid(int(obj.get("gid")))
+        p.x = int(float(obj.get("x")))
+        p.y = int(float(obj.get("y")))
+        p.flipx = False  # TODO
+        p.flipy = False  # TODO
+        p.rotcw = int(float(obj.get("rotation", 0))) == 90
+        p.rotccw = int(float(obj.get("rotation", 0))) == -90
+        props = obj.find("properties")
+        if props:
+            # TODO: Check type, build type-specific property, etc
+            pass
+        print(
+            f"Object type {current_ts.object_types[p.otype + current_ts.firstgid].name if p.otype >= 0 else 'DUMMY'}"
+        )
+        pp(p)
+        placements.append(p)
+
+    return placements
+
+
 def parse_map(map_src: str) -> (typing.Dict[str, ObjectMap], [ObjectPlacement]):
     map = None
     with open(map_src) as f:
@@ -132,5 +191,9 @@ def parse_map(map_src: str) -> (typing.Dict[str, ObjectMap], [ObjectPlacement]):
         objmaps[ts_name] = loaded_set
 
     # Retrieve objects placement
+    layergroup = map.find(name="group", attrs={"name": "OBJECTS"})
+    objgroups = layergroup.find_all("objectgroup")
+    for objgroup in objgroups:
+        placements += parse_object_group(objmaps, objgroup)
 
     return (objmaps, placements)

tools/layouts/otd.hexpat

@@ -1,6 +1,9 @@
 // -*- mode: c; -*-
 
-enum CommonId: u8 {
+enum CommonId: s8 {
+    RING_3V = -2,
+    RING_3H = -1,
+
     RING = 0,
     MONITOR = 1,
     SPIKES = 2,

tools/object_design.org

@@ -131,7 +131,7 @@ Frames are an array with the following arguments in order:
 - [optional, default False] Flip_Y
   
 
-#+begin_src toml :tangle ../assets/levels/COMMON/objects_common.toml
+#+begin_src toml
 [ring]
 
 [[ring.animations]]
@@ -421,7 +421,7 @@ dummy = true
 
 ** Parse test
 
-#+begin_src python :results output
+#+begin_src python :results output :eval never
 import toml
 from pprint import pp