1 files changed, 32 insertions, 0 deletions
diff --git a/src/game/build_system.hpp b/src/game/build_system.hpp
new file mode 100644
index 0000000..0bf615d
--- /dev/null
+++ b/src/game/build_system.hpp
@@ -0,0 +1,32 @@
+#pragma once
+
+// Material types for building.
+enum class Material : int {
+    Wood          = 0,
+    Background    = 1,
+    Rope          = 2,
+    COUNT         = 3,
+};
+
+struct MaterialInfo {
+    const char* name;
+    float half_w, half_h;   // half-size of placed piece
+    float metal_cost;
+    float energy_cost;
+    float r, g, b;          // color
+    float alpha;            // 1.0 = opaque, 0.4 = semi-transparent
+    bool  blocks_projectiles;
+};
+
+inline MaterialInfo material_info(Material m) {
+    switch (m) {
+    case Material::Wood:
+        return {"Wood", 1.0f, 0.4f, 10.0f, 5.0f, 0.55f, 0.35f, 0.15f, 1.0f, true};
+    case Material::Background:
+        return {"BgBrace", 1.0f, 0.4f, 5.0f, 3.0f, 0.45f, 0.40f, 0.30f, 0.4f, false};
+    case Material::Rope:
+        return {"Rope", 0.0f, 0.0f, 3.0f, 2.0f, 0.15f, 0.12f, 0.10f, 1.0f, false};
+    default:
+        return {"???", 1.0f, 0.4f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, true};
+    }
+}