- Hover ground item icon reveals authentic name label without needing Alt key (Fixes#447)
- Connect SceneMouseController pointermove/pointerleave with GroundLabelOverlay hover callback and ladder layout rendering
- Correct Grand Charm (cm3) and Gheed's Fortune ground flippy sprite mapping to flpchm3 (Fixes#452)
- Correct Small Charm (cm1) and Large Charm (cm2) default flippy mappings to flpchm1 and flpchm2
- Add 1.13c charm ground flippy resolution tier and Chinese semantic fallbacks in resolveGroundItemSpriteRect
- Add comprehensive vitest suites in tests/charm-ground-flippy-parity.test.ts and tests/ground-items-alt-labels.test.ts
Pipeline-built Items carry code as the 4-byte space-padded .d2s field
('dr3 '), so the codeToFlippyFile lookup missed and every drop fell through
to the inventory-size guess (2x2 -> invbox, the Horadric Cube). Picking the
item up rebuilt it via itemToUiInventoryItem, which is why re-dropping
looked correct. Normalize the code (trim, fall back to base.id) in both
resolveItemSpriteRect and resolveGroundItemSpriteRect.
Adds tests/ground-drop-sprite.test.ts: raw-drop sprite == post-pickup sprite
for 400 Act 1 Champ A rolls, and every droppable base with a baked flippy
resolves to it directly.
- LightGrid Radial Ray-Marching (src/game/engine/light-grid.ts):
* Only count line-of-sight blockers (COLLIDE_VISIBLE | COLLIDE_DOOR) in updateObstacles
so floor rocks, stairs, and walkable blockers do not create dark spots.
* Trace radial rays from emitter to target cell (1 <= s < steps) so the emitter's
own cell is never self-occluded when hugging a wall, wall front-faces receive full
illumination, and authentic shadows are cast behind walls.
- Ground-Plane Vertical Elevation Compensation (src/render/renderer.ts):
* Encode vertical sprite elevation (elevationY) in top quad vertices while strictly
preserving the 10-float vertex stride (FLOATS_PER_VERTEX = 10) so upright walls,
objects, characters, and monsters sample the lightmap at their ground footprint.
- Scene Lighting & Clear Color Parity (src/scene/act-scene.ts):
* Set canvas clear color to pure pitch black [0, 0, 0] when lighting is enabled,
eliminating #08080a diamond void bands around cave boundaries.
* Scale light radii by SUB_TILES_PER_LIGHT_CELL (8 sub-tiles per cell: player torch 88).
* Register Objects.txt Lit0..2 emitters (TO, T1, T2, FB, B2, WP, SH, etc.) for cave torches.
* Map all spell skillIds (including Glacial Spike '55') for dynamic projectile lighting.
- Fix dagger classification in getAttackWeaponInfo: authentic 1.13c dagger 'Blade' (bld, knif) properly classified as dagger instead of sword
- Prevent runaway recursive sub-missile explosion cascade loops on piercing missiles (Bone Spear, Teeth, Bone Spirit)
- Fix Bone Spirit homing scalar speed doubling on non-horizontal angles (ensure scalar speed is invariant to homing angle)
- Ensure Poison Nova projectile TTL is exactly 50 frames per D2 1.13c standard
- Include adv-pnb-kinematics-stress.test.ts and adv-pnb-synergy-stress.test.ts stress test suites
- Implement 10 Poison and Bone skills (Teeth 67, Bone Armor 68, Poison Dagger 73,
Corpse Explosion 74, Bone Wall 78, Poison Explosion 83, Bone Spear 84, Bone Prison 88,
Poison Nova 92, Bone Spirit 93) per 1.13c ground truth.
- Decouple damage formulas into standalone exported functions: calculateTeethDamage,
calculateBoneArmorCapacity, calculatePoisonDaggerDamage, calculateCorpseExplosionDamage,
calculateBoneWallStats, calculatePoisonExplosionDamage, calculateBoneSpearDamage,
calculateBonePrisonStats, calculatePoisonNovaDamage, calculateBoneSpiritDamage.
- Preserve BATCH1_SKILLS length strictly at 38 skills.
- Enforce 2:1 isometric ground projection geometry (ISO_GROUND_ASPECT_RATIO = 0.5)
for collision, radial Poison Nova bursts (64 bolts), and trajectory kinematics.
- Implement Bone Spirit homing steering and Bone Spear piercing (collideKill = 0).
- Integrate casting lifecycle in act-scene: mana deduction, overlays, corpse consumption,
and dagger weapon requirement for Poison Dagger.
- Add comprehensive 37-test suite in tests/skills/nec/poison-bone.test.ts.
- Update scripts/pack-missiles.ts to include missing Necromancer missiles: corpseexplosion, poisoncorpseexplosion, poisonexplosioncloud, poisonpuff, cursecast, bonecast, bonespeartrail, revive
- Update scripts/pack-overlays.ts to include 15 Necromancer overlays: 10 Curses overhead state icons, 2 hit overlays, 3 Bone Armor overlays
- Extract and bake 32-bit RGBA sprite sheets into public/missiles/ and public/overlays/ with transparent border thresholding (max(r,g,b) <= 4 -> alpha = 0)
- Generate strongly-typed metadata in src/render/missiles-meta.ts and src/render/overlays-meta.ts
- Add comprehensive Vitest test suite in tests/skills/nec/necro-assets.test.ts verifying physical file existence, JSON frame geometry, and 0 transparent border artifacts
- Verified typecheck with 0 errors and all asset test suites passing 100%
- Group speedbar skills into dedicated horizontal rows by 1.13c ListRow/SkillPage categories:
- Row 0: Universal actions (Attack 0, Throw 2, Unsummon 3, Left Hand Throw 4)
- Rows 1..3: Class skill tree tabs (Tab 1, Tab 2, Tab 3)
- Row 4: Item and charged skills (Townportal, Identify, charged items)
- Compact unlearned or empty tree rows contiguously without blank spacing
- Enforce strict 1.13c left-click filtering (83 active leftskill=1 skills; 26 passives and all auras excluded)
- Orient left popup upward-rightward and right popup upward-leftward with 800x600 canvas clamping
- Sort intra-row skills by reqlevel ascending then skillId ascending
- Add comprehensive 7-class parity test suite covering grouping, compaction, filtering, and geometry
- Fix ghost property resistLightning to respect monster resistances and lightningResist in act-scene.ts
- Wire monster resistances across MonsterStats and applyEliteModifiers in combat.ts and monsters.ts
- Clamp Static Field damage non-lethally post-resistance scaling and protect against difficulty floor underflow in missile-engine.ts
- Implement continuous sub-step collision and raycast line-of-sight in missile-engine.ts and skills.ts
- Add persistent NextDelay tracking on GameEngine with automatic per-tick expired entry pruning
- Align Nova (64 bolts, aspect ratio 0.5, NextDelay 4) and Static Field in executeSkillCore113c
- Dual sprite falling trajectory: render falling meteor fireball (meteor) and flame tail (meteortail) descending diagonally during 60-tick countdown with additive blending
- Animation frame indexing: meteorcenter advances monotonically starting at frame 0, meteorfire plays emergence once (0..11) then loops 12..36 indefinitely
- Detonation timing: center expires and detonates at tick 60 exact (isExpired when ttl <= 1)
- Wall collision: drop meteorfire ground patches landing inside solid walls in MissileEngine
- Full test coverage: Dimensions 8 & 9 added to skill-056-meteor.test.ts, stress and adversarial test suites verified
- Implement all 33 Paladin aura overlay targets (13 front/back pairs + 7 full rings) with authentic 1.13c Overlay.txt definitions
- Update offline overlay baking script scripts/pack-overlays.ts and generated metadata src/render/overlays-meta.ts with zero runtime MPQ parsing
- Align baked UI atlases and manifest in public/ui/ and src/ui/baked-ui-meta.ts
- Expand tests/skills/aura-target-parity.test.ts to 7 dimensions including 3D Isometric Aura Ring Sandwich depth layering
- Fix hero class walk offset assertion in tests/hero-classes-art.test.ts
- Add set item icon dye tests in tests/set-items-icons-dye.test.ts
- Remove targetX and targetY from stationary turret projectile definition in castSkill (act-scene.ts)
- Remove idle fallback to projectile.targetX/Y in tickProjectiles (skills.ts) so turrets only fire when an alive target is found within range
- Add negative unit test in Dimension 3 verifying 0 projectiles are spawned over 50 ticks with empty targets array
troytt