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feat(client): render province boundaries on planetary map (#927, D-205)

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Export pre-computed drainage basin boundaries from atlas_province_boundaries
into markers.json during generate_atlas. AtlasMarkerOverlay draws province
polylines with semi-transparent fill under the political_zones overlay.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
jpmschweitzer
2026-05-03 16:12:59 +02:00
co-authored by Claude Opus 4.6
parent d869435eee
commit 13259dbfd5
2 changed files with 80 additions and 2 deletions
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client/ui/implant/apps/atlas/atlas_marker_overlay.gd
+35 -2
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@@ -69,9 +69,9 @@ func _draw() -> void:
else:
draw_rect(Rect2(Vector2.ZERO, Vector2(tex_w, tex_h)), Color(0.05, 0.07, 0.10, 1.0))
# Political zone tint (currency zone band — single tint over whole body for MVP)
# Political zones — province boundaries from drainage analysis
if viewer.is_overlay_visible("political_zones"):
draw_rect(Rect2(Vector2.ZERO, Vector2(tex_w, tex_h)), COLOR_POLITICAL)
_draw_province_boundaries(markers)
# Infrastructure (roads + rail)
if viewer.is_overlay_visible("infrastructure"):
@@ -238,6 +238,39 @@ static func _city_key(city: Dictionary) -> String:
return "h:%d" % city.hash()
# =============================================================================
# Province boundaries (D-205, #927)
# =============================================================================
const COLOR_PROVINCE_BORDER: Color = Color(0.45, 0.65, 0.85, 0.55)
const COLOR_PROVINCE_FILL: Color = Color(0.25, 0.45, 0.65, 0.08)
const PROVINCE_BORDER_WIDTH: float = 1.2
func _draw_province_boundaries(markers: Dictionary) -> void:
var provinces: Array = markers.get("provinces", [])
if provinces.is_empty():
draw_rect(Rect2(Vector2.ZERO, Vector2(viewer.get_heightmap_texture().get_width(), viewer.get_heightmap_texture().get_height())), COLOR_POLITICAL)
return
for prov: Dictionary in provinces:
var path: Array = prov.get("path", [])
if path.size() < 3:
continue
var points: PackedVector2Array = _province_path_to_canvas(path)
if points.size() >= 3:
draw_colored_polygon(points, COLOR_PROVINCE_FILL)
draw_polyline(points, COLOR_PROVINCE_BORDER, PROVINCE_BORDER_WIDTH, true)
func _province_path_to_canvas(path: Array) -> PackedVector2Array:
var out: PackedVector2Array = PackedVector2Array()
for pt: Variant in path:
if pt is Array and pt.size() >= 2:
out.append(viewer.grid_to_canvas(Vector2(float(pt[1]), float(pt[0]))))
return out
# =============================================================================
# Overlay placeholders (populated by server side signals eventually)
# =============================================================================