From d2a5dfa713377457e38d9c6fbe9ef2e215ddded9 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Fri, 30 May 2025 20:35:17 -0400
Subject: [PATCH] Rooms are now styled randomly based on assets/styles.json
 which will evolve into specifications for themes of levels and rooms in them
 plus other configs.

---
 assets/styles.json | 17 +++++++++++++++++
 assets/tiles.json  |  7 +++++++
 config.cpp         |  4 ++++
 config.hpp         |  1 +
 textures.cpp       |  7 +++++++
 textures.hpp       |  4 ++++
 worldbuilder.cpp   | 18 ++++++++++++++++--
 7 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 assets/styles.json

diff --git a/assets/styles.json b/assets/styles.json
new file mode 100644
index 0000000..b1822d4
--- /dev/null
+++ b/assets/styles.json
@@ -0,0 +1,17 @@
+[
+  {
+    "name": "Mossy Blue Ceiling",
+    "floor": "gray_stone_floor_light",
+    "walls": "wall_moss"
+  },
+  {
+    "name": "Plain",
+    "floor": "floor_tile",
+    "walls": "wall_plain"
+  },
+  {
+    "name": "Wood Walls",
+    "floor": "floor_tile",
+    "walls": "wood_wall"
+  }
+]
diff --git a/assets/tiles.json b/assets/tiles.json
index e1d3d53..0728c7c 100644
--- a/assets/tiles.json
+++ b/assets/tiles.json
@@ -50,5 +50,12 @@
     "display": 35,
     "light": 0,
     "id": 7
+  },
+  "wood_wall": {
+    "texture": "assets/textures/wood_wall.png",
+    "collision": false,
+    "display": 35,
+    "light": 0,
+    "id": 8
   }
 }
diff --git a/config.cpp b/config.cpp
index d71fe5f..d549f3a 100644
--- a/config.cpp
+++ b/config.cpp
@@ -15,6 +15,10 @@ Config::Config(const std::string src_path) : $src_path(src_path) {
   $config = json::parse(infile);
 }
 
+nlohmann::json &Config::operator[](size_t key) {
+  return $config[key];
+}
+
 json &Config::operator[](const std::string &key) {
   dbc::check($config.contains(key), fmt::format("ERROR in config, key {} doesn't exist.", key));
   return $config[key];
diff --git a/config.hpp b/config.hpp
index 2ca8d52..d26f5a2 100644
--- a/config.hpp
+++ b/config.hpp
@@ -14,6 +14,7 @@ struct Config {
   Config(nlohmann::json config, std::string src_path)
     : $config(config), $src_path(src_path) {}
 
+  nlohmann::json &operator[](size_t);
   nlohmann::json &operator[](const std::string &key);
   nlohmann::json &json() { return $config; };
   std::wstring wstring(const std::string main_key, const std::string sub_key);
diff --git a/textures.cpp b/textures.cpp
index a91d886..aa297d0 100644
--- a/textures.cpp
+++ b/textures.cpp
@@ -46,6 +46,7 @@ namespace textures {
       auto &config = el.value();
       const std::string& texture_fname = config["texture"];
       size_t surface_i = config["id"];
+      TMGR.name_to_id.insert_or_assign(el.key(), surface_i);
 
       if(surface_i >= tiles.size()) {
         resize_shit(surface_i + 1);
@@ -113,4 +114,10 @@ namespace textures {
     size_t ceiling_num = TMGR.ceilings[num];
     return (const uint32_t *)TMGR.surfaces[ceiling_num].getPixelsPtr();
   }
+
+  size_t get_id(const std::string& name) {
+    dbc::check(TMGR.name_to_id.contains(name),
+        fmt::format("there is no texture named {} in tiles.json", name));
+    return TMGR.name_to_id.at(name);
+  }
 };
diff --git a/textures.hpp b/textures.hpp
index 56fa46f..39cc456 100644
--- a/textures.hpp
+++ b/textures.hpp
@@ -20,6 +20,7 @@ namespace textures {
     std::vector<wchar_t> map_tile_set;
     std::vector<int> ambient_light;
     std::unordered_map<std::string, SpriteTexture> sprite_textures;
+    std::unordered_map<std::string, size_t> name_to_id;
   };
 
   void init();
@@ -29,9 +30,12 @@ namespace textures {
   sf::Image load_image(const std::string& filename);
 
   std::vector<int>& get_ambient_light();
+
   std::vector<wchar_t>& get_map_tile_set();
 
   const uint32_t* get_surface(size_t num);
 
   const uint32_t* get_ceiling(size_t num);
+
+  size_t get_id(const std::string& name);
 }
diff --git a/worldbuilder.cpp b/worldbuilder.cpp
index cdcf5c2..cd300d4 100644
--- a/worldbuilder.cpp
+++ b/worldbuilder.cpp
@@ -12,13 +12,27 @@ using namespace components;
 
 void WorldBuilder::stylize_rooms() {
   auto& tiles = $map.tiles();
+  Config style_config("assets/styles.json");
+  json& styles = style_config.json();
 
   for(auto& room : $map.rooms()) {
+    auto& style = styles[Random::uniform(size_t(0), styles.size() - 1)];
+
+    dbc::check(style.contains("floor"),
+        fmt::format("no floor spec in style {}", (std::string)style["name"]));
+    dbc::check(style.contains("walls"),
+        fmt::format("no walls spec in style {}", (std::string)style["name"]));
+
+    auto& floor_name = style["floor"];
+    auto& wall_name = style["walls"];
+    size_t floor_id = textures::get_id(floor_name);
+    size_t wall_id = textures::get_id(wall_name);
+
     for(matrix::box it{tiles, room.x, room.y, room.width+1, room.height+1}; it.next();) {
       if(tiles[it.y][it.x] == 1) {
-        tiles[it.y][it.x] = 2;
+        tiles[it.y][it.x] = wall_id;
       } else if(tiles[it.y][it.x] == 0) {
-        tiles[it.y][it.x] = 6;
+        tiles[it.y][it.x] = floor_id;
       }
     }
   }