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Make base unit art transparent

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Wickedness
2026-06-18 19:08:38 +09:00
parent e748db1598
commit b1e32d6fc7
9 changed files with 49 additions and 3 deletions
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docs/DATA_MODEL.md
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@@ -219,7 +219,7 @@ Classes provide movement, min/max attack range, skill access, growth grades, cla
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`attack_range` is `[min, max]` in Manhattan distance. A range of `[2, 2]` means the unit cannot attack adjacent targets.
`sprite` is an optional class-level board token image used by hydrated units unless an officer or deployment overrides it. `enemy_sprite` is an optional class-level image for generic enemy units with `team: "enemy"` and no `officer_id`; runtime sprite precedence is deployment `sprite`, officer `sprite`, generic enemy class `enemy_sprite`, then class `sprite`. The current enemy class art is stored as transparent PNG cutouts under `res://art/units/enemies/` so named officers and player units can keep their cleaner class or officer presentation while ordinary troops read as their own force.
`sprite` is an optional class-level board token image used by hydrated units unless an officer or deployment overrides it. Base class sprites are transparent PNG cutouts under `res://art/units/` so board tokens can show only the character over the terrain and token backplate. `enemy_sprite` is an optional class-level image for generic enemy units with `team: "enemy"` and no `officer_id`; runtime sprite precedence is deployment `sprite`, officer `sprite`, generic enemy class `enemy_sprite`, then class `sprite`. The current enemy class art is stored as transparent PNG cutouts under `res://art/units/enemies/` so named officers and player units can keep their cleaner class or officer presentation while ordinary troops read as their own force.
`promotion.level` and `promotion.to` define an automatic class promotion route. When a unit reaches the threshold during battle, the runtime updates class name, movement, movement type, growth, class skills, attack range, and class base-bonus deltas. The promoted `class_id` and derived roster fields are captured in the campaign roster snapshot, and the next battle rehydrates class-derived fields from the saved `class_id`. Promotion targets must be higher-tier classes and must keep all source equipment slot permissions unless runtime auto-unequip logic is added later. The current core routes cover hero, cavalry, infantry, archer, warrior, and strategist first-tier classes.