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3 Commits

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Author	SHA1	Message	Date
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

Author

SHA1

Message

Date

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