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feat(map-editor): paint actions + LMB/RMB routing for Cell-Tile

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paint_cell_material_at and erase_cell_material_at wrap
maps.set_cell_material with a mark_dirty. The canvas-click
dispatch in M.handle_click and the per-frame drag handler both
route through these actions when state.mode == "cell-tile". Self-
test t10 confirms a paint round-trips through maps.get_cell_material.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Calic
2026-06-01 23:02:53 +02:00
parent 6eacde3eaa
commit 51138e257f
1 changed files with 37 additions and 0 deletions
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37
init.lua
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@@ -305,6 +305,19 @@ local actions = (function()
state.mark_dirty() state.mark_dirty()
end end
-- 0.3.1: Cell-Tile mode paint actions. Write the per-cell material
-- flag via lib-core.maps; the renderer's 47-blob branch picks the
-- slot.
function M.paint_cell_material_at(cell_x, cell_y)
maps.set_cell_material(state.get_active_layer(), cell_x, cell_y, true)
state.mark_dirty()
end
function M.erase_cell_material_at(cell_x, cell_y)
maps.set_cell_material(state.get_active_layer(), cell_x, cell_y, false)
state.mark_dirty()
end
-- ===================================================================== -- =====================================================================
-- Hotkey-driven actions -- Hotkey-driven actions
-- ===================================================================== -- =====================================================================
@@ -1586,6 +1599,21 @@ local function self_test()
engine.test.equals(state.get_mode(), "direct", "t12: cycle cell -> direct") engine.test.equals(state.get_mode(), "direct", "t12: cycle cell -> direct")
state.cycle_mode() state.cycle_mode()
engine.test.equals(state.get_mode(), "auto-tile", "t12: cycle direct -> auto") engine.test.equals(state.get_mode(), "auto-tile", "t12: cycle direct -> auto")
-- t10: paint_cell_material_at writes the flag readable by
-- maps.get_cell_material; cell-tile mode dispatches LMB to it.
state.set_mode("cell-tile")
local layer = state.get_active_layer()
-- Clear first to avoid pollution from earlier tests
if maps.get_cell_material(layer, 5, 5) then
maps.set_cell_material(layer, 5, 5, false)
end
actions.paint_cell_material_at(5, 5)
engine.test.equals(maps.get_cell_material(layer, 5, 5), true,
"t10: paint_cell_material_at sets the flag")
actions.erase_cell_material_at(5, 5)
engine.test.equals(maps.get_cell_material(layer, 5, 5), false,
"t10: erase_cell_material_at clears the flag")
end end
-- ===================================================================== -- =====================================================================
@@ -1723,6 +1751,15 @@ function update(ctx, dt)
if snap then if snap then
actions.paint_vertex_at(snap.vx, snap.vy, dp == "paint") actions.paint_vertex_at(snap.vx, snap.vy, dp == "paint")
end end
elseif state.get_mode() == "cell-tile" then
local cell = state.get_mouse_cell()
if cell then
if dp == "paint" then
actions.paint_cell_material_at(cell.x, cell.y)
else
actions.erase_cell_material_at(cell.x, cell.y)
end
end
else else
local cell = state.get_mouse_cell() local cell = state.get_mouse_cell()
if cell then if cell then