Consolidate writer logic to a single package

mcpacker/emit/datapack/writer.py

@@ -1,12 +0,0 @@
-from mcpacker.model.core.world import World
-
-
-# Class ############################################################################################
-
-class Writer:
-
-    def __init__(self, world:World):
-        self.world = world
-
-    def write(self):
-        raise NotImplementedError()

mcpacker/emit/datapack/writer_test.py

@@ -1,7 +0,0 @@
-import mcpacker.emit.datapack.writer
-
-
-# Tests ############################################################################################
-
-def test_syntax():
-    pass

mcpacker/emit/incontrol/spawnerruleemitter.py

@@ -1,4 +0,0 @@
-class SpawnerRuleEmitter:
-
-    def __init__(self):
-        pass

mcpacker/emit/markdown/mobreport_test.py

@@ -1,8 +0,0 @@
-import mcpacker.emit.markdown.mobreport
-
-
-# Tests ############################################################################################
-
-def test_syntax():
-    pass
-

mcpacker/json.py

@@ -5,6 +5,11 @@ from json   import loads
 from typing import TypeAlias
 
 
+# Constants ########################################################################################
+
+INDENT = "    "
+
+
 # Type Support #####################################################################################
 
 JsonBlob:TypeAlias = dict[str, "JsonBlob"] | list["JsonBlob"] | str | int | float | bool | None
@@ -13,12 +18,42 @@ JsonBlob:TypeAlias = dict[str, "JsonBlob"] | list["JsonBlob"] | str | int | floa
 # Functions ########################################################################################
 
 def removeNoneValues(blob:JsonBlob) -> JsonBlob:
-    if not isinstance(blob, dict): return blob
+    if isinstance(blob, dict):
+        for key in list(blob.keys()):
+            if blob[key] == None:
+                del blob[key]
+            else:
+                blob[key] = removeNoneValues(blob[key])
 
-    for key in list(blob.keys()):
-        if blob[key] == None:
-            del blob[key]
-        else:
-            removeNoneValues(blob[key])
+    if isinstance(blob, list):
+        result:list[JsonBlob] = []
+        for value in blob:
+            if value != None:
+                result.append(removeNoneValues(value))
+
+        return result
+
+    return blob
+
+def removeEmptyObjects(blob:JsonBlob) -> JsonBlob:
+    if isinstance(blob, dict):
+        for key in list(blob.keys()):
+            value = blob[key]
+            if isinstance(value, dict):
+                if len(value) == 0:
+                    del blob[key]
+                else:
+                    blob[key] = removeEmptyObjects(value)
+
+        return blob
+
+    if isinstance(blob, list):
+        result:list[JsonBlob] = []
+        for value in blob:
+            if isinstance(value, dict):
+                if len(value) > 0:
+                    result.append(removeEmptyObjects(value))
+
+        return result
 
     return blob

mcpacker/json_test.py

@@ -0,0 +1,51 @@
+from mcpacker.json import JsonBlob
+from pytest        import fixture
+from typing        import cast
+
+import mcpacker.json as json
+
+
+# Fixtures #########################################################################################
+
+@fixture(name="blob")
+def createBlob():
+    yield {
+        "alpha": "a",
+        "bravo": 12,
+        "charlie": True,
+        "delta": [
+            "foxtrot",
+            13,
+            False,
+            [ "golf" ],
+            { "hotel": "india" },
+            None,
+        ],
+        "juliette": {
+            "kilo": "lima",
+            "mike": {},
+            "november": None
+        },
+        "oscar": None,
+        "papa": [],
+    }
+
+@fixture(name="noNone")
+def removeNoneValues(blob:JsonBlob):
+    yield json.removeNoneValues(blob)
+
+@fixture(name="noEmpty")
+def remmoveEmptyObjects(blob:JsonBlob):
+    yield json.removeEmptyObjects(blob)
+
+
+# Tests ############################################################################################
+
+def test_removeNoneValues(noNone:JsonBlob):
+    assert len(cast(dict[str,list[str]], noNone)["delta"]) == 5
+    assert "november" not in cast(dict[str,dict[str,JsonBlob]], noNone)["juliette"]
+    assert "oscar" not in cast(dict[str,JsonBlob], noNone)
+
+def test_removeEmptyObjects(noEmpty:JsonBlob):
+    assert "mike" not in cast(dict[str,dict[str,JsonBlob]], noEmpty)["juliette"]
+    assert "papa" in cast(dict[str,JsonBlob], noEmpty)

mcpacker/model/core/ecology/biomecatalog.py

@@ -7,8 +7,4 @@ from typing                                  import Iterator
 # Classes ##########################################################################################
 
 class BiomeCatalog(Catalog[Biome]):
-
-    def matching(self, biomeFilter:BiomeFilter) -> Iterator[Biome]:
-        for biome in self:
-            if biomeFilter.accepts(biome):
-                yield biome
+    pass

mcpacker/model/core/ecology/biomecatalog_test.py

@@ -43,4 +43,4 @@ def createCatalog():
 # Tests ############################################################################################
 
 def test_findJungles(catalog, jungles):
-    assert [b.city for b in catalog.matching(jungles)] == ["singapore"]
+    assert [b.city for b in catalog.filter(lambda b: jungles.accepts(b))] == ["singapore"]

mcpacker/model/core/fauna/mob.py

@@ -12,15 +12,12 @@ class Mob:
     """
 
     def __init__(self, gameId:str, active:Active|Iterable[Active]=AC.DIURNAL):
+        if isinstance(active, Active):
+            active = [active]
+
         self.gameId = gameId
         self.active = active
 
-        if not self.active:
-            self.active = AC.DIURNAL
-
-        if isinstance(self.active, Active):
-            self.active = (self.active,)
-
     def __eq__(self, other) -> bool:
         if type(self) != type(other): return False
         if self.gameId != other.gameId: return False

mcpacker/model/core/fauna/mob_test.py

@@ -36,4 +36,4 @@ def test_str(squid):
     assert str(squid) == "minecraft:squid"
 
 def test_repr(cow):
-    assert repr(cow) == "Mob<minecraft:cow>{active:(Active<day>{start:0, end:12000},)}"
+    assert repr(cow) == "Mob<minecraft:cow>{active:[Active<day>{start:0, end:12000}]}"

mcpacker/model/incontrol/condition.py

@@ -1,38 +0,0 @@
-from mcpacker.json                           import JsonBlob
-from mcpacker.model.incontrol.extracondition import ExtraCondition
-from mcpacker.model.core.dimension           import Dimension
-
-import mcpacker.json                 as json
-import mcpacker.model.core.altitude  as A
-import mcpacker.model.core.dimension as D
-
-
-# Class ############################################################################################
-
-class Condition:
-
-    def __init__(
-        self,
-        dimension:Dimension=D.OVERWORLD,
-        heightMin:int|None=None,
-        heightMax:int|None=None,
-        thisMax:int|None=None,
-        inWater:bool|None=None,
-        andCondition:ExtraCondition|None=None,
-    ):
-        self.dimension    = dimension
-        self.heightMin    = heightMin
-        self.heightMax    = heightMax
-        self.thisMax      = thisMax
-        self.inWater      = inWater
-        self.andCondition = andCondition
-
-    def asJsonBlob(self) -> JsonBlob:
-        return json.removeNoneValues({
-            "dimension": self.dimension.name,
-            "heightmin": self.heightMin,
-            "heightmax": self.heightMax,
-            "maxthis":   self.thisMax,
-            "inwater":   self.inWater,
-            "and":       None if not self.andCondition else self.andCondition.asJsonBlob(),
-        })

mcpacker/model/incontrol/extracondition.py

@@ -1,44 +0,0 @@
-from collections.abc import Iterable
-from mcpacker.json import JsonBlob
-
-import mcpacker.json as json
-
-
-# Class ############################################################################################
-
-class ExtraCondition:
-
-    def __init__(
-        self,
-        autumn:bool|None=None,
-        biome:Iterable[str]|None=None,
-        cave:bool|None=None,
-        seeSky:bool|None=None,
-        spring:bool|None=None,
-        summer:bool|None=None,
-        timeMax:int|None=None,
-        timeMin:int|None=None,
-        winter:bool|None=None,
-    ):
-        self.autumn  = autumn
-        self.biome   = biome
-        self.cave    = cave
-        self.seeSky  = seeSky
-        self.spring  = spring
-        self.summer  = summer
-        self.timeMax = timeMax
-        self.timeMin = timeMin
-        self.winter  = winter
-
-    def asJsonBlob(self) -> JsonBlob:
-        return json.removeNoneValues({
-            "autumn": self.autumn,
-            "biome": None if not self.biome else "[" + ", ".join(self.biome) + "]",
-            "cave": self.cave,
-            "seesky": self.seeSky,
-            "spring": self.spring,
-            "summer": self.summer,
-            "maxtime": self.timeMax,
-            "mintime": self.timeMin,
-            "winter": self.winter,
-        })

mcpacker/model/incontrol/spawnerrule.py

@@ -1,41 +0,0 @@
-from mcpacker.json                      import JsonBlob
-from mcpacker.model.core.fauna.mobspawn import MobSpawn
-from mcpacker.model.incontrol.condition import Condition
-
-
-# Class ############################################################################################
-
-class SpawnerRule:
-
-    def __init__(
-        self,
-        mobGameId:str,
-        condition:Condition,
-        amountMin:int=1,
-        amountMax:int=1,
-        rate:float=1.0,
-        attempts:int=1,
-        weight:int=1,
-    ):
-        self.mobGameId = mobGameId
-        self.amountMin = amountMin
-        self.amountMax = amountMax
-        self.rate      = rate
-        self.attempts  = attempts
-        self.weight    = weight
-        self.condition = condition
-
-    def asJsonBlob(self) -> JsonBlob:
-        return {
-            "mob": [self.mobGameId],
-            "amount": {
-                "minimum": self.amountMin,
-                "maximum": self.amountMax,
-                "groupdistance": 4,
-            },
-            "persecond": self.rate,
-            "attempts": self.attempts,
-            "weights": [self.weight],
-            "conditions": self.condition.asJsonBlob(),
-        }
-

mcpacker/model/time.py

@@ -0,0 +1,7 @@
+# Constants ########################################################################################
+
+TICK = 1
+SEC  = 20 * TICK
+MIN  = 60 * SEC
+HOUR = 60 * MIN
+DAY  = 24 * HOUR

mcpacker/model/time_test.py

@@ -1,4 +1,4 @@
-import mcpacker.emit.modpack
+import mcpacker.model.time
 
 
 # Tests ############################################################################################

mcpacker/ui/runner.py

@@ -1,8 +1,11 @@
-from mcpacker.emit.markdown.reportwriter import ReportWriter
-from mcpacker.emit.markdown.biomereport import BiomeReport
-from mcpacker.emit.markdown.mineralreport import MineralReport
-from mcpacker.emit.markdown.mobreport import MobReport
-from mcpacker.model.modpack import ModPack
+from mcpacker.model.modpack                 import ModPack
+from mcpacker.write.incontrol.spawnerwriter import SpawnerWriter
+from mcpacker.write.markdown.biomereport    import BiomeReport
+from mcpacker.write.markdown.mineralreport  import MineralReport
+from mcpacker.write.markdown.mobspawnreport import MobSpawnReport
+from mcpacker.write.markdown.reportwriter   import ReportWriter
+from mcpacker.write.writer                  import CompositeWriter
+from pathlib                                import Path
 
 import inspect
 import os
@@ -11,15 +14,16 @@ import sys
 
 # Constants ########################################################################################
 
-OUTPUT_PATH = "output"
+OUTPUT_PATH = Path("output")
 
 
 # Class ############################################################################################
 
 class Runner:
 
-    def __init__(self, pack:ModPack|None=None):
+    def __init__(self, pack:ModPack|None=None, outputDir:Path=OUTPUT_PATH):
         self.pack = pack or ModPack("untitled")
+        self.outputDir = outputDir
 
     def abort(self, message:str, status:int=-1):
         print(message)
@@ -40,9 +44,15 @@ class Runner:
     # Commands #################################################################
 
     def _command_writeReports(self):
-        writer = ReportWriter([
-            BiomeReport(self.pack),
-            MineralReport(self.pack),
-            MobReport(self.pack),
+        writer = CompositeWriter(self.pack, self.outputDir, [
+            BiomeReport,
+            MineralReport,
+            MobSpawnReport,
         ])
-        writer.write(os.path.join(OUTPUT_PATH, self.pack.name, "markdown"))
+        writer.write()
+
+    def _command_writeModPack(self):
+        writer = CompositeWriter(self.pack, self.outputDir, [
+            SpawnerWriter,
+        ])
+        writer.write()

mcpacker/ui/runner_test.py

@@ -1,8 +1,99 @@
-import mcpacker.ui.runner
+from mcpacker.model.core.ecology.biome       import Biome
+from mcpacker.model.core.ecology.biomefilter import BiomeFilter as BF
+from mcpacker.model.core.fauna.mob           import Mob
+from mcpacker.model.core.fauna.mobspawn      import MobSpawn
+from mcpacker.model.core.geology.mineral     import Mineral
+from mcpacker.model.core.geology.replacement import Replacement
+from mcpacker.model.core.habitat             import Habitat
+from mcpacker.model.modpack                  import ModPack
+from mcpacker.ui.runner                      import Runner
+from mcpacker.write.incontrol.spawnerwriter  import SpawnerWriter
+from pathlib                                 import Path
+from pytest                                  import fixture
 
+import mcpacker.json                        as json
+import mcpacker.model.core.altitude         as AL
+import mcpacker.model.core.ecology.flora    as FL
+import mcpacker.model.core.ecology.geology  as GE
+import mcpacker.model.core.ecology.heat     as HE
+import mcpacker.model.core.ecology.humidity as HU
+import mcpacker.model.core.ecology.soil     as SO
+import mcpacker.model.core.ecology.water    as WA
+import mcpacker.model.core.fauna.active     as AC
+import mcpacker.model.core.fauna.group      as GR
+import mcpacker.model.core.fauna.location   as LO
+import mcpacker.model.core.scarcity         as SC
+import mcpacker.model.core.season           as SE
+import textwrap
+
+
+# Fixtures #########################################################################################
+
+@fixture(name="addBiomes")
+def defineAddBiomes():
+    def addBiomes(pack:ModPack):
+        pack.world.biomes.add(Biome("singapore", "minecraft:jungle",
+            FL.CANOPY, GE.SEDIMENTARY, HE.TROPICAL, HU.WET, SO.ACIDIC, WA.INLAND
+        ))
+
+    yield addBiomes
+
+@fixture(name="addMobs")
+def defineAddMobs():
+    def addMobs(pack:ModPack):
+        pack.world.mobs.add(Mob("minecraft:chicken", AC.DIURNAL))
+
+    yield addMobs
+
+@fixture(name="addMobSpawns")
+def defineAddMobSpawnss():
+    def addMobSpawns(pack:ModPack):
+        mobs = pack.world.mobs
+        spawns = pack.world.mobSpawns
+
+        pack.world.mobSpawns.add(
+            MobSpawn(mobs["minecraft:chicken"],
+                Habitat(
+                    altitude    = AL.span(AL.LOWLANDS, AL.UPLANDS),
+                    biomeFilter = BF([HE.TROPICAL, HU.WET, FL.within(FL.CANOPY, FL.CLEARING)]),
+                    seasons     = SE.SUMMER,
+                    group       = GR.TROUP,
+                    scarcity    = SC.COMMON,
+                ).derive(
+                    seasons     = SE.exclude(SE.SUMMER),
+                    scarcity    = SC.UNCOMMON
+                )
+            )
+        )
+
+    yield addMobSpawns
+
+@fixture(name="pack")
+def createPack(addBiomes, addMobs, addMobSpawns):
+    pack = ModPack("testModPack")
+    pack.augment(addBiomes)
+    pack.augment(addMobs)
+    pack.augment(addMobSpawns)
+    yield pack
+
+@fixture(name="modPackRunner")
+def createModPackRunner(tmp_path:Path):
+    runner = Runner(ModPack("testModPack"), tmp_path)
+    runner._command_writeModPack()
+    yield runner
+
+@fixture(name="reportRunner")
+def createReportRunner(tmp_path:Path):
+    runner = Runner(ModPack("testModPack"), tmp_path)
+    runner._command_writeReports()
+    yield runner
 
 # Tests ############################################################################################
 
-def test_syntax():
-    pass
+def test_writeModPack(tmp_path:Path, modPackRunner:Runner):
+    assert (tmp_path/"testModPack"/"config"/"incontrol"/"spawner.json").exists()
 
+def test_writeReports(tmp_path:Path, reportRunner:Runner):
+    assert (tmp_path/"testModPack"/"reports"/"biomes.md").exists()
+    assert (tmp_path/"testModPack"/"reports"/"minerals.md").exists()
+    assert (tmp_path/"testModPack"/"reports"/"mobspawns.md").exists()

mcpacker/write/datapack/locator_test.py

@@ -1,4 +1,4 @@
-import mcpacker.emit.datapack.locator
+import mcpacker.write.datapack.locator
 
 
 # Tests ############################################################################################

mcpacker/write/incontrol/__init__.py

@@ -0,0 +1,7 @@
+from pathlib import Path
+
+
+# Constants ########################################################################################
+
+INCONTROL_CONFIG_DIR = Path("config") / "incontrol"
+

mcpacker/write/incontrol/spawnerwriter.py

@@ -0,0 +1,108 @@
+from mcpacker.json                           import JsonBlob
+from mcpacker.model.core.ecology.biomefilter import BiomeFilter
+from mcpacker.model.core.fauna.active        import Active
+from mcpacker.model.core.fauna.mobspawn      import MobSpawn
+from mcpacker.model.core.habitat             import Habitat
+from mcpacker.model.core.scarcity            import Scarcity
+from mcpacker.model.core.season              import Season
+from mcpacker.model.modpack                  import ModPack
+from mcpacker.write.incontrol                import INCONTROL_CONFIG_DIR
+from mcpacker.write.writer                   import Writer
+from pathlib                                 import Path
+
+import mcpacker.json                      as json
+import mcpacker.model.core.dimension      as DI
+import mcpacker.model.core.fauna.location as LO
+import mcpacker.model.core.scarcity       as SC
+import mcpacker.model.time                as TI
+
+
+# Class ############################################################################################
+
+class SpawnerWriter(Writer):
+
+    def __init__(self, pack:ModPack, outputDir:Path):
+        super().__init__(pack, outputDir)
+
+    def write(self):
+        path = self.outputDir / self.pack.name / INCONTROL_CONFIG_DIR / "spawner.json"
+        path.parent.mkdir(parents=True)
+        path.write_text(json.dumps(self._makeAllRules(), indent=json.INDENT))
+
+    # Private Functions ########################################################
+
+    def _computeBiomeNames(self, biomeFilter:BiomeFilter) -> JsonBlob:
+        return list(
+            b.gameId for b in self.pack.world.biomes.filter(
+                lambda b: biomeFilter.accepts(b)
+            )
+        )
+
+    def _computeSpawnRate(self, scarcity:Scarcity) -> float:
+        base = {
+            SC.ABSENT:   24 * TI.HOUR,
+            SC.RARE:     10 * TI.MIN,
+            SC.UNUSUAL:   5 * TI.MIN,
+            SC.SPARSE:    1 * TI.MIN,
+            SC.UNCOMMON: 15 * TI.SEC,
+            SC.COMMON:    5 * TI.SEC,
+            SC.CARPET:    1 * TI.SEC,
+        }[scarcity]
+
+        return 1.0 / (base / 20)
+
+    def _computeWeight(self, scarcity:Scarcity) -> int:
+        return {
+            SC.ABSENT: 0,
+            SC.RARE: 1,
+            SC.UNUSUAL: 2,
+            SC.SPARSE: 4,
+            SC.UNCOMMON: 8,
+            SC.COMMON: 16,
+            SC.CARPET: 32,
+        }[scarcity]
+
+    def _makeAndCondition(self, habitat:Habitat, season:Season, active:Active) -> JsonBlob:
+        return {
+            "biome": self._computeBiomeNames(habitat.biomeFilter),
+            season.name: True,
+            "seesky": True if LO.OUTSIDE == habitat.location else None,
+            "cave": True if LO.CAVE == habitat.location else None,
+            "mintime": active.start,
+            "maxtime": active.end,
+        }
+
+    def _makeAllRules(self) -> JsonBlob:
+        result:list[JsonBlob] = []
+
+        for spawn in self.pack.world.mobSpawns:
+            for habitat in spawn.habitats:
+                for season in habitat.seasons:
+                    for active in spawn.mob.active:
+                        result.append(self._makeRule(spawn, habitat, season, active))
+
+        return json.removeEmptyObjects(json.removeNoneValues(result))
+
+    def _makeCondition(self, habitat:Habitat, season:Season, active:Active) -> JsonBlob:
+        return {
+            "dimension": DI.OVERWORLD.name,
+            "minheight": habitat.altitude.bottom,
+            "maxheight": habitat.altitude.top,
+            "maxthis": habitat.group.largest * 2,
+            "inwater": LO.WATER == habitat.location,
+            "and": self._makeAndCondition(habitat, season, active),
+        }
+
+    def _makeRule(self, spawn:MobSpawn, habitat:Habitat, season:Season, active:Active,) -> JsonBlob:
+        return {
+            "mob": spawn.mob.gameId,
+            "amount": {
+                "minimum": habitat.group.smallest,
+                "maximum": habitat.group.largest,
+                "groupdistance": 4,
+            },
+            "persecond": self._computeSpawnRate(habitat.scarcity),
+            "attempts": habitat.group.largest * 4,
+            "weights": [ self._computeWeight(habitat.scarcity) ],
+            "conditions": self._makeCondition(habitat, season, active),
+        }

mcpacker/write/incontrol/spawnerwriter_test.py

@@ -0,0 +1,105 @@
+from mcpacker.model.core.ecology.biome       import Biome
+from mcpacker.model.core.ecology.biomefilter import BiomeFilter as BF
+from mcpacker.model.core.fauna.mob           import Mob
+from mcpacker.model.core.fauna.mobspawn      import MobSpawn
+from mcpacker.model.core.geology.mineral     import Mineral
+from mcpacker.model.core.geology.replacement import Replacement
+from mcpacker.model.core.habitat             import Habitat
+from mcpacker.model.modpack                  import ModPack
+from mcpacker.write.incontrol.spawnerwriter  import SpawnerWriter
+from pathlib                                 import Path
+from pytest                                  import fixture
+
+import mcpacker.json                        as json
+import mcpacker.model.core.altitude         as AL
+import mcpacker.model.core.ecology.flora    as FL
+import mcpacker.model.core.ecology.geology  as GE
+import mcpacker.model.core.ecology.heat     as HE
+import mcpacker.model.core.ecology.humidity as HU
+import mcpacker.model.core.ecology.soil     as SO
+import mcpacker.model.core.ecology.water    as WA
+import mcpacker.model.core.fauna.active     as AC
+import mcpacker.model.core.fauna.group      as GR
+import mcpacker.model.core.fauna.location   as LO
+import mcpacker.model.core.scarcity         as SC
+import mcpacker.model.core.season           as SE
+import textwrap
+
+
+# Fixtures #########################################################################################
+
+@fixture(name="addBiomes")
+def defineAddBiomes():
+    def addBiomes(pack:ModPack):
+        pack.world.biomes.add(Biome("singapore", "minecraft:jungle",
+            FL.CANOPY, GE.SEDIMENTARY, HE.TROPICAL, HU.WET, SO.ACIDIC, WA.INLAND
+        ))
+
+    yield addBiomes
+
+@fixture(name="addMobs")
+def defineAddMobs():
+    def addMobs(pack:ModPack):
+        pack.world.mobs.add(Mob("minecraft:chicken", AC.DIURNAL))
+
+    yield addMobs
+
+@fixture(name="addMobSpawns")
+def defineAddMobSpawnss():
+    def addMobSpawns(pack:ModPack):
+        mobs = pack.world.mobs
+        spawns = pack.world.mobSpawns
+
+        pack.world.mobSpawns.add(
+            MobSpawn(mobs["minecraft:chicken"],
+                Habitat(
+                    altitude    = AL.span(AL.LOWLANDS, AL.UPLANDS),
+                    biomeFilter = BF([HE.TROPICAL, HU.WET, FL.within(FL.CANOPY, FL.CLEARING)]),
+                    seasons     = SE.SUMMER,
+                    group       = GR.TROUP,
+                    scarcity    = SC.COMMON,
+                ).derive(
+                    seasons     = SE.exclude(SE.SUMMER),
+                    scarcity    = SC.UNCOMMON
+                )
+            )
+        )
+
+    yield addMobSpawns
+
+@fixture(name="pack")
+def createPack(addBiomes, addMobs, addMobSpawns):
+    pack = ModPack("testModPack")
+    pack.augment(addBiomes)
+    pack.augment(addMobs)
+    pack.augment(addMobSpawns)
+    yield pack
+
+@fixture(name="writer")
+def createWriter(pack, tmp_path):
+    writer = SpawnerWriter(pack, tmp_path)
+    writer.write()
+    yield writer
+
+
+# Tests ############################################################################################
+
+def test_write(writer:SpawnerWriter, tmp_path:Path):
+    path = tmp_path / "testModPack" / "config" / "incontrol" / "spawner.json"
+    text = path.read_text()
+    data = json.loads(text)
+
+    assert len(data) == 4
+
+    rule = data[0]
+    assert rule["mob"] == "minecraft:chicken"
+    assert rule["amount"]["maximum"] == 6
+    assert abs(rule["persecond"] - 0.2) < 0.001
+    assert rule["conditions"]["and"]["biome"] == ["minecraft:jungle"]
+    assert rule["conditions"]["and"]["summer"]
+
+    rule = data[1]
+    assert abs(rule["persecond"] - 0.066) < 0.001
+    assert rule["conditions"]["and"]["spring"]
+
+

mcpacker/write/markdown/biomereport.py

@@ -1,15 +1,16 @@
-from mcpacker.emit.markdown.report import Report
-from mcpacker.model.modpack import ModPack
+from mcpacker.write.markdown.markdownwriter import MarkdownWriter
+from mcpacker.model.modpack                 import ModPack
+from pathlib                                import Path
 
 
 # Class ############################################################################################
 
-class BiomeReport(Report):
+class BiomeReport(MarkdownWriter):
 
-    def __init__(self, pack:ModPack):
-        super().__init__("biomes.md", pack)
+    def __init__(self, pack:ModPack, outputDir:Path):
+        super().__init__("biomes.md", pack, outputDir)
 
-    def build(self):
+    def compose(self):
         for biome in self.pack.world.biomes:
             self.line(f"# Biome: {biome.gameId} ({biome.city})")
             self.line()

mcpacker/write/markdown/biomereport_test.py

@@ -1,4 +1,4 @@
-from mcpacker.emit.markdown.biomereport import BiomeReport
+from mcpacker.write.markdown.biomereport import BiomeReport
 from mcpacker.model.core.ecology.biome  import Biome
 from mcpacker.model.modpack             import ModPack
 from pytest                             import fixture
@@ -33,20 +33,21 @@ def defineAddBiomes():
 
 @fixture(name="pack")
 def createPack(addBiomes):
-    pack = ModPack("test")
+    pack = ModPack("testModPack")
     pack.augment(addBiomes)
     yield pack
 
 @fixture(name="report")
-def createReport(pack):
-    report = BiomeReport(pack)
-    report.build()
+def createReport(pack, tmp_path):
+    report = BiomeReport(pack, tmp_path)
+    report.write()
     yield report
 
 # Tests ############################################################################################
 
-def test_report(report):
-    assert str(report) == textwrap.dedent("""
+def test_report(tmp_path, report):
+    path = tmp_path / "testModPack" / "reports" / "biomes.md"
+    assert path.read_text() == textwrap.dedent("""
         # Biome: minecraft:plains (kansascity)
 
           * Flora: field
@@ -64,4 +65,5 @@ def test_report(report):
           * Humidity: dry
           * Soil: sandy
           * Water: inland
-    """).strip()
+
+    """).lstrip()

mcpacker/write/markdown/markdownwriter.py

@@ -0,0 +1,71 @@
+from mcpacker.write.writer  import Writer
+from mcpacker.model.modpack import ModPack
+from pathlib                import Path
+from typing                 import TextIO
+
+import os
+import shutil
+
+
+# Constants ########################################################################################
+
+INDENT          = "  "
+REPORT_DIR_PATH = "reports"
+
+
+# Class ############################################################################################
+
+class MarkdownWriter(Writer):
+
+    def __init__(self, name:str, pack:ModPack, outputDir:Path):
+        super().__init__(pack, outputDir)
+
+        self._file:TextIO|None = None
+        self._name = name
+        self._indent = 0
+        self._lineBuffer:list[str] = []
+
+    def write(self):
+        path = self.outputDir / self.pack.name / REPORT_DIR_PATH / self._name
+
+        path.parent.mkdir(exist_ok=True, parents=True)
+        with path.open("w") as file:
+            try:
+                self._file = file
+                self.compose()
+            finally:
+                self._file = None
+
+    def compose(self) -> str:
+        raise NotImplementedError()
+
+    # Helper Methods ###########################################################
+
+    def indent(self) -> "MarkdownWriter":
+        self._indent += 1
+        self._lineBuffer.insert(0, INDENT)
+        return self
+
+    def line(self, text:str="") -> "MarkdownWriter":
+        assert self._file != None
+        self.text(text)
+
+        self._file.write("".join(self._lineBuffer) + "\n")
+        self._lineBuffer = []
+        while len(self._lineBuffer) < self._indent:
+            self._lineBuffer.append(INDENT)
+
+        return self
+
+    def outdent(self) -> "MarkdownWriter":
+        self._indent = max(0, self._indent - 1)
+
+        if self._lineBuffer:
+            if self._lineBuffer[0] == INDENT:
+                self._lineBuffer.pop()
+
+        return self
+
+    def text(self, text:str) -> "MarkdownWriter":
+        self._lineBuffer.append(str(text))
+        return self

mcpacker/write/markdown/markdownwriter_test.py

@@ -0,0 +1,43 @@
+from mcpacker.model.modpack                 import ModPack
+from mcpacker.write.markdown.markdownwriter import MarkdownWriter
+from pathlib                                import Path
+from pytest                                 import fixture
+
+import textwrap
+
+
+# Helpers ##########################################################################################
+
+class SampleWriter(MarkdownWriter):
+
+    def compose(self):
+        (self.text("alpha")
+            .line("bravo")
+            .indent()
+            .line("charlie")
+            .indent()
+            .line("delta")
+            .outdent()
+            .line("echo")
+        )
+
+
+# Fixtures #########################################################################################
+
+@fixture(name="writer")
+def createWriter(tmp_path:Path):
+    writer = SampleWriter("testReport.md", ModPack("testModPack"), tmp_path)
+    writer.write()
+    yield writer
+
+
+# Tests ############################################################################################
+
+def test_write(tmp_path, writer):
+    path = tmp_path / "testModPack" / "reports" / "testReport.md"
+    assert path.read_text() == textwrap.dedent("""
+        alphabravo
+          charlie
+            delta
+          echo
+    """).lstrip()

mcpacker/write/markdown/mineralreport.py

@@ -1,15 +1,16 @@
-from mcpacker.emit.markdown.report import Report
-from mcpacker.model.modpack        import ModPack
+from mcpacker.write.markdown.markdownwriter import MarkdownWriter
+from mcpacker.model.modpack                 import ModPack
+from pathlib                                import Path
 
 
 # Class ############################################################################################
 
-class MineralReport(Report):
+class MineralReport(MarkdownWriter):
 
-    def __init__(self, pack:ModPack):
-        super().__init__("minerals.md", pack)
+    def __init__(self, pack:ModPack, outputDir:Path):
+        super().__init__("minerals.md", pack, outputDir)
 
-    def build(self):
+    def compose(self):
         for mineral in self.pack.world.minerals:
             self.line(f"# Mineral: {mineral.name}")
             self.line()

mcpacker/write/markdown/mineralreport_test.py

@@ -1,4 +1,4 @@
-from mcpacker.emit.markdown.mineralreport    import MineralReport
+from mcpacker.write.markdown.mineralreport   import MineralReport
 from mcpacker.model.core.geology.mineral     import Mineral
 from mcpacker.model.core.geology.replacement import Replacement
 from mcpacker.model.modpack                  import ModPack
@@ -26,21 +26,23 @@ def defineAddMinerals():
 
 @fixture(name="pack")
 def createPack(addMinerals):
-    pack = ModPack("test")
+    pack = ModPack("testModPack")
     pack.augment(addMinerals)
     yield pack
 
 @fixture(name="report")
-def createReport(pack):
-    report = MineralReport(pack)
-    report.build()
+def createReport(pack, tmp_path):
+    report = MineralReport(pack, tmp_path)
+    report.write()
     yield report
 
 
 # Tests ############################################################################################
 
-def test_report(report):
-    assert str(report) == textwrap.dedent("""
+def test_report(tmp_path, report):
+    path = tmp_path / "testModPack" / "reports" / "minerals.md"
+
+    assert path.read_text() == textwrap.dedent("""
         # Mineral: copper
 
           * #minecraft:stone_replaceables => minecraft:copper_ore
@@ -50,4 +52,5 @@ def test_report(report):
 
           * #minecraft:stone_replaceables => minecraft:iron_ore
           * #minecraft:deepslate_replaceables => minecraft:deepslate_iron_ore
-    """).strip()
+
+    """).lstrip()

mcpacker/write/markdown/mobspawnreport.py

@@ -1,22 +1,23 @@
-from mcpacker.emit.markdown.report          import Report
 from mcpacker.model.core.ecology.biometrait import BiomeTrait
 from mcpacker.model.modpack                 import ModPack
+from mcpacker.write.markdown.markdownwriter import MarkdownWriter
+from pathlib                                import Path
 
 
 # Class ############################################################################################
 
-class MobReport(Report):
+class MobSpawnReport(MarkdownWriter):
 
-    def __init__(self, pack:ModPack):
-        super().__init__("mobs.md", pack)
+    def __init__(self, pack:ModPack, outputDir:Path):
+        super().__init__("mobspawns.md", pack, outputDir)
 
-    def build(self):
-        for placement in self.pack.world.mobs:
-            self.line(f"# Mob: {placement.gameId}")
+    def compose(self):
+        for spawn in self.pack.world.mobSpawns:
+            self.line(f"# Mob: {spawn.gameId}")
             self.line()
 
             self.indent()
-            for index, habitat in enumerate(placement.habitats, start=1):
+            for index, habitat in enumerate(spawn.habitats, start=1):
                 self.text("* habitat ").line(index)
                 self.indent()
                 self.text("* altitude: ").line(habitat.altitude)

mcpacker/write/markdown/mobspawnreport_test.py

@@ -0,0 +1,99 @@
+from mcpacker.model.core.ecology.biomefilter import BiomeFilter as BF
+from mcpacker.model.core.fauna.mob           import Mob
+from mcpacker.model.core.fauna.mobspawn      import MobSpawn
+from mcpacker.model.core.geology.mineral     import Mineral
+from mcpacker.model.core.geology.replacement import Replacement
+from mcpacker.model.core.habitat             import Habitat
+from mcpacker.model.modpack                  import ModPack
+from mcpacker.write.markdown.mobspawnreport  import MobSpawnReport
+from pytest                                  import fixture
+
+import mcpacker.model.core.altitude         as AL
+import mcpacker.model.core.ecology.flora    as FL
+import mcpacker.model.core.ecology.geology  as GE
+import mcpacker.model.core.ecology.heat     as HE
+import mcpacker.model.core.ecology.humidity as HU
+import mcpacker.model.core.ecology.soil     as SO
+import mcpacker.model.core.ecology.water    as WA
+import mcpacker.model.core.fauna.active     as AC
+import mcpacker.model.core.fauna.group      as GR
+import mcpacker.model.core.fauna.location   as LO
+import mcpacker.model.core.scarcity         as SC
+import mcpacker.model.core.season           as SE
+import textwrap
+
+
+# Fixtures #########################################################################################
+
+@fixture(name="addMobs")
+def defineAddMobs():
+    def addMobs(pack:ModPack):
+        pack.world.mobs.add(Mob("minecraft:chicken", AC.DIURNAL))
+
+    yield addMobs
+
+@fixture(name="addMobSpawns")
+def defineAddMobSpawnss():
+    def addMobSpawns(pack:ModPack):
+        mobs = pack.world.mobs
+        spawns = pack.world.mobSpawns
+
+        pack.world.mobSpawns.add(
+            MobSpawn(mobs["minecraft:chicken"],
+                Habitat(
+                    altitude    = AL.span(AL.LOWLANDS, AL.UPLANDS),
+                    biomeFilter = BF([HE.TROPICAL, HU.WET, FL.within(FL.CANOPY, FL.CLEARING)]),
+                    seasons     = SE.SUMMER,
+                    group       = GR.TROUP,
+                    scarcity    = SC.COMMON,
+                ).derive(
+                    seasons     = SE.exclude(SE.SUMMER),
+                    scarcity    = SC.UNCOMMON
+                )
+            )
+        )
+
+    yield addMobSpawns
+
+@fixture(name="pack")
+def createPack(addMobs, addMobSpawns):
+    pack = ModPack("testModPack")
+    pack.augment(addMobs)
+    pack.augment(addMobSpawns)
+    yield pack
+
+@fixture(name="report")
+def createReport(pack, tmp_path):
+    report = MobSpawnReport(pack, tmp_path)
+    report.write()
+    yield report
+
+# Tests ############################################################################################
+
+def test_write(report, tmp_path):
+    path = tmp_path / "testModPack" / "reports" / "mobspawns.md"
+    assert path.read_text() == textwrap.dedent("""
+        # Mob: minecraft:chicken
+
+          * habitat 1
+            * altitude: lowlands-uplands
+            * biomeFilter:
+              * Heat: tropical
+              * Humidity: wet
+              * Flora: any of: canopy, forest, clearing
+            * seasons: summer
+            * group: troup
+            * location: outside
+            * scarcity: common
+          * habitat 2
+            * altitude: lowlands-uplands
+            * biomeFilter:
+              * Heat: tropical
+              * Humidity: wet
+              * Flora: any of: canopy, forest, clearing
+            * seasons: spring, autumn, winter
+            * group: troup
+            * location: outside
+            * scarcity: uncommon
+
+    """).lstrip()

mcpacker/write/markdown/report_test.py

@@ -1,4 +1,4 @@
-from mcpacker.emit.markdown.report import Report
+from mcpacker.write.markdown.report import Report
 from pytest import fixture
 
 

mcpacker/write/markdown/reportwriter.py

@@ -1,4 +1,4 @@
-from mcpacker.emit.markdown.report import Report
+from mcpacker.write.markdown.report import Report
 
 import os
 import shutil

mcpacker/write/markdown/reportwriter_test.py

@@ -1,4 +1,4 @@
-import mcpacker.emit.markdown.reportwriter
+import mcpacker.write.markdown.reportwriter
 
 
 # Tests ############################################################################################

mcpacker/write/resourcepack/__init___test.py

@@ -1,4 +1,4 @@
-import mcpacker.emit.resourcepack
+import mcpacker.write.resourcepack
 
 
 # Tests ############################################################################################

mcpacker/write/writer.py

@@ -0,0 +1,54 @@
+from collections.abc        import Iterable
+from mcpacker.model.modpack import ModPack
+from pathlib                import Path
+from typing                 import TypeVar
+
+import os
+import shutil
+
+
+# Type Support #####################################################################################
+
+WriterSubclass = TypeVar("WriterSubclass", bound="Writer")
+
+
+# Class ############################################################################################
+
+class Writer:
+
+    def __init__(self, pack:ModPack, outputDir:Path):
+        self.pack = pack
+        self.outputDir = outputDir
+
+    def resetOutputDir(self):
+        if self.outputDir.exists():
+            shutil.rmtree(self.outputDir)
+
+        self.outputDir.mkdir(parents=True)
+
+    def write(self):
+        raise NotImplementedError()
+
+
+# Class ############################################################################################
+
+class CompositeWriter(Writer):
+
+    def __init__(
+        self,
+        pack:ModPack,
+        outputDir:Path,
+        writers:Iterable[type[WriterSubclass]]|None=None
+    ):
+        super().__init__(pack, outputDir)
+
+        self._writers:list[Writer] = []
+        for writerClass in (writers or []):
+            self.add(writerClass)
+
+    def add(self, writerClass:type[WriterSubclass]):
+        self._writers.append(writerClass(self.pack, self.outputDir))
+
+    def write(self):
+        for writer in self._writers:
+            writer.write()