Emil_Shanaty/Verbatim
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5 Commits
Author SHA1 Message Date
Emil 61b5d551ae test: 109 Rust tests + 14 JSON scenarios, polish physics 
Tests added:
- physics_materials.rs: 15 tests (fire, smoke, steam, grass, dirt, bone, wood, stone, lava temp)
- physics_interactions.rs: 12 tests (lava+water, fire spread, acid interactions, sand+water)
- player_controls.rs: 12 tests (move L/R, jump, double jump, rapid input, wait, continuous)
- collision_robust.rs: 10 tests (walls, ceiling, sliding, corridor, slope, dirt wall, unstick)
- ragdoll_death.rs: 7 tests (death transition, ragdoll fall, progressive damage, corpse)
- determinism.rs: 8 tests (same seed, replay exact, replay partial, recording, 100-tick)
- edge_cases.rs: 19 tests (boundary, stress 20 goblins, fill/clear/paint, gravity, camera)
- 6 new JSON scenarios (fire chain, lava pool, sand bury, entity fall, steam, acid wall)

Fixes:
- AABB resolve_aabb_y: add vertical overlap check (was pushing player down when jumping)
- AABB resolve_aabb_x: velocity-aware resolution (player was stuck against walls)
- check_on_ground: use fractional position check (was always true)
- jump_force 1.5 (was 0.8) for 27-body entity
- Gravity read from self.verlet (was from clone, SetGravity didn't work)
- u8 overflow in lava color (saturating_add)

109 Rust tests, 14 JSON scenarios, 0 warnings, 0 failures
 2026-06-20 22:42:29 +03:00
Emil a66b4ac0cb fix: AABB capsule collider for rigid entities, sliding on surfaces 
- Replace per-body collision with single AABB collider for rigid entities
- Entity has half_w/half_h defining the collider box
- Separate axis resolution: X first (min-penetration push), then Y
  (velocity-direction push to handle floor/ceiling correctly)
- Sliding: when hitting a wall, only X velocity is zeroed, Y continues
- check_on_ground uses AABB bottom edge, not individual bodies
- Fix: X resolution uses minimum penetration (was velocity-based,
  which pushed player through walls when velocity was zero)
- Default scene: added water pool, lava pool, wood structure, sand dune,
  acid pool, stone wall obstacle
- 28/28 tests passing
 2026-06-20 21:56:13 +03:00
Emil e96744b958 feat: rigid living entities, ragdoll corpses, fix WASD movement 
- Entity: rigid body mode for alive entities (single object, no wobble)
  - Center position + velocity, bodies positioned from rest offsets
  - Collision: all 16 bodies checked, push applied to center
  - Movement: velocity applied to center, all bodies move together
- Entity: ragdoll mode for corpses (loose Verlet constraints)
  - kill() switches rigid->ragdoll, gives each body inherited velocity
  - Constraints go slack (stiffness=0), bodies fall independently
- Player: move_left/right now applies velocity to entity center (was: head only)
- Physics: lava heat conductivity 0.05 (was 0.5), initial temp 1500 (was 1200)
  Lava cooling threshold 400 (was 800), heat transfer rate 0.1 (was 0.5)
  Lava stays hot long enough for entities to take damage
- Tests: 28/28 passing, updated for new lava and rigid body behavior
 2026-06-20 21:39:26 +03:00
Emil 9fe7137e45 feat: bigger characters (16 sub-bodies), wider terminal viewport 
- Entity: 16 sub-bodies (was 7), radius 0.7 (was 0.4), full humanoid
  shape: head, shoulders, torso, arms, hips, legs, feet
- Terminal: viewport up to 250x80 (was 120x50), uses full terminal size
- Camera: uses renderer viewport dimensions instead of hardcoded values
- Physics: constraint correction clamped to 0.5 cells max, 8 substeps
  (was 4), gravity 0.04 (was 0.08), collision pass after each constraint
  iteration to prevent tunneling with larger bodies
- Player: move_speed 0.3, jump_force 1.2 for bigger body
- Spawn: 6 cells above surface (was 4) for taller body
 2026-06-20 21:27:11 +03:00
Emil 7f4b1dde5e feat: AI integration - pipe protocol, test framework, replay system 
AI Session API (src/ai/session.rs):
- GameSession wraps Game with seeded determinism
- init/init_empty, step(n), perform_action, get_state
- get_cell, get_region, get_entities, get_player, count_material

JSON Pipe Protocol (src/ai/protocol.rs):
- --mode pipe: stdin/stdout JSON line protocol
- Commands: init, step, action, get_state, get_view, get_cell,
  get_region, get_entities, get_player, count_material, find_material,
  record_start/stop, replay_save, run_scenario, quit

Test Framework:
- 27 Rust integration tests (tests/*.rs) covering sand, water, lava,
  acid, fire physics + entity movement, damage, ragdoll
- 8 JSON scenarios (scenarios/*.json) runnable via --mode test
- Scenario assertions: cell_is, cell_is_not, no_material_in_region,
  material_count_in_region, entity_alive/dead, player_on_ground, etc.

Replay System (src/ai/replay.rs):
- Record all actions + seed for deterministic playback
- ReplayPlayer::play() and play_until_tick() for debugging
- --mode replay --replay-file PATH

Other changes:
- src/lib.rs: library target for integration tests
- Collision: post-constraint collision pass to reduce tunneling
- serde + serde_json dependencies
- All enums use rename_all = snake_case for JSON compatibility
 2026-06-20 18:53:21 +03:00