Raise walls: plan them on own floor, imps build reinforced earth

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/main.rs

@@ -41,6 +41,7 @@ mod spells;
 mod touch;
 mod ui;
 mod voice;
+mod walls;
 mod wilds;
 mod wood;
 mod xm;
@@ -108,7 +109,7 @@ fn tool_tile(cam: &Cam, map: &map::Map, tool: Tool, mx: f32, my: f32) -> Option<
 }
 
 fn area_tool(t: Tool) -> bool {
-    matches!(t, Tool::Dig | Tool::Room(_) | Tool::Sell | Tool::Bridge | Tool::Steel | Tool::Drawbridge)
+    matches!(t, Tool::Dig | Tool::Room(_) | Tool::Sell | Tool::Bridge | Tool::Steel | Tool::Drawbridge | Tool::Wall)
 }
 
 // Use the active tool on the world at (mx, my) (CSS pixels): a click, or a tap on touch screens
@@ -121,7 +122,7 @@ fn world_action(app: &mut App, ui: &mut Ui, r3d: &R3d, inp: &mut Input, mx: f32,
     let ground = app.cam.ground_point(mx, my);
     let (wx, wy) = (ground.x, ground.y);
     match (ui.tool, tile) {
-        (Tool::Dig | Tool::Room(_) | Tool::Sell | Tool::Bridge | Tool::Steel | Tool::Drawbridge, Some(t)) => inp.ldown = Some(t),
+        (Tool::Dig | Tool::Room(_) | Tool::Sell | Tool::Bridge | Tool::Steel | Tool::Drawbridge | Tool::Wall, Some(t)) => inp.ldown = Some(t),
         (Tool::Hand, _) => {
             let j = r3d.pick_ent(&app.game, &app.cam, mx, my, false);
             let Some(j) = j else { return };
@@ -165,6 +166,7 @@ fn finish_rect(app: &mut App, tool: Tool, start: (i32, i32), mx: f32, my: f32) {
         Tool::Sell => app.game.queue(Act::Sell(r)),
         Tool::Bridge => app.game.queue(Act::Bridge(r)),
         Tool::Drawbridge => app.game.queue(Act::Drawbridge(r)),
+        Tool::Wall => app.game.queue(Act::Wall(r)),
         Tool::Steel => app.game.queue(Act::Steel(r)),
         _ => {}
     }
@@ -1949,6 +1951,7 @@ fn draw_frame(app: &mut App, gfx: &Gfx, r3d: &mut R3d, ui: &mut Ui, menu: &mut M
         Tool::Heal => (Color::new(0.4, 1.0, 0.5, 1.0), Some((ground.x, ground.y, 2.55))),
         Tool::Summon => (Color::new(0.8, 0.5, 1.0, 1.0), None),
         Tool::Bridge | Tool::Drawbridge => (Color::new(0.9, 0.7, 0.4, 1.0), None),
+        Tool::Wall => (Color::new(0.8, 0.4, 1.0, 1.0), None),
         Tool::Steel => (Color::new(0.75, 0.8, 0.9, 1.0), None),
         Tool::Tower(_) => (Color::new(1.0, 0.6, 0.25, 1.0), None),
         Tool::Trap(_) => (Color::new(1.0, 0.4, 0.3, 1.0), None),
@@ -1966,6 +1969,24 @@ fn draw_frame(app: &mut App, gfx: &Gfx, r3d: &mut R3d, ui: &mut Ui, menu: &mut M
     if app.settings.debug_trigger_zones || app.settings.debug_path_lines || app.editor_testing {
         draw_debug_3d(app, now);
     }
+    // planned walls of this master: a pulsing frame where the wall will rise
+    let pulse = 0.55 + 0.25 * ((now * 3.0).sin() as f32);
+    let me = app.game.local_side;
+    for &(i, side) in app.game.wall_plans.iter().filter(|p| p.1 == me).take(200) {
+        let (x, z) = map::xy(i);
+        let (x0, z0, x1, z1) = (x as f32 + 0.08, z as f32 + 0.08, x as f32 + 0.92, z as f32 + 0.92);
+        let c = Color::new(0.75, 0.45, 1.0, pulse);
+        let _ = side;
+        for h in [0.02, 0.9] {
+            line3(vec3(x0, h, z0), vec3(x1, h, z0), 0.04, c);
+            line3(vec3(x1, h, z0), vec3(x1, h, z1), 0.04, c);
+            line3(vec3(x1, h, z1), vec3(x0, h, z1), 0.04, c);
+            line3(vec3(x0, h, z1), vec3(x0, h, z0), 0.04, c);
+        }
+        for (a, b) in [(x0, z0), (x1, z0), (x1, z1), (x0, z1)] {
+            line3(vec3(a, 0.02, b), vec3(a, 0.9, b), 0.04, c);
+        }
+    }
     let title_screen = matches!(
         menu.page,
         Some(Page::Title)