Recoil and armor

1 files changed, 11 insertions, 4 deletions

diff --git a/requirements/milestones.org b/requirements/milestones.org
index 3aeb4a9..a2cabe8 100644
--- a/requirements/milestones.org
+++ b/requirements/milestones.org
@@ -130,7 +130,8 @@ This is the purely-structural half of Forts destruction (no weapons yet).
       the ground surface is removed (+ explosion puff), taking its edges with it
 - [X] Disconnection -> fall -> destroy: a chunk that loses its path to a
       foundation simply falls under gravity and dies on the ground
-- [X] Materials: wood, background bracing, ropes (tension-only)
+- [X] Materials: wood, background bracing, ropes (tension-only), armour
+      (HP 400, 25% stiffer, 2x mass, never burns -- build mode 4)
 - [X] Per-strut HP pool (separate from stress) -- delivered in M4
 - [X] Fire (damage-over-time, strut-to-strut spread) -- delivered in M4
 
@@ -153,10 +154,13 @@ models (per-strut HP and radius splash) plus fire.
 - [X] Fire system: ignition flag, damage-over-time, spread along the graph,
       burns background bracing faster (the counter to the bg-brace trick)
 
+- [X] Firing recoil: each shot shoves the FIRING structure back along -aim
+      (=BuildGraph::apply_recoil=, per-weapon =recoil= in data/weapons.lua;
+      the beam laser has none). Tunable live in the Dev panel.
+
 Still missing from the vanilla roster / mechanics (see gameplay-gaps.org #5, #8):
 mortar, flak + point-defence, machinegun/sniper (hitscan), guided swarm
-missiles, EMP, and per-shot RECOIL on the firing structure (we apply knockback
-to targets only).
+missiles, EMP, and the per-shot METAL cost (only energy is charged).
 
 * M5: Reactor, Resources & Game Loop  [MOSTLY DONE]
 
@@ -172,7 +176,10 @@ Goal: There's a reactor to destroy, and a real economy to build it with.
       surviving =is_core= device. The collapse path needs devices mounted on
       the graph (see M6 / gameplay-gaps.org #3).
 - [X] Resource system (deferred from M2): mines on metal deposits, wind
-      turbines for energy, generation rates, storage caps, build/fire costs
+      turbines for energy, generation rates, storage caps, build/fire costs.
+      Build costs are now PER-MATERIAL (=cost_metal= / =cost_energy= in
+      data/materials.lua) and enforced -- you cannot place a strut you cannot
+      afford, which is what makes armour's 18x metal price a real choice.
 - [X] Win/lose condition + restart (R key)
 
 * M6: Dummy Fort & Map  [PARTIAL]