From 631cb99208617813d978f6416c7e0a0b475158e1 Mon Sep 17 00:00:00 2001
From: gymnast86 <stock.joann@gmail.com>
Date: Sun, 2 Aug 2026 00:58:52 -0700
Subject: [PATCH] add standalone generator for easier generator testing

---
 mods/randomizer/CMakeLists.txt               | 38 +++++++++++++-------
 mods/randomizer/generator/generator_only.cpp |  8 +++++
 mods/randomizer/generator/randomizer.cpp     |  7 ++--
 mods/randomizer/generator/utility/text.cpp   |  9 +++--
 4 files changed, 45 insertions(+), 17 deletions(-)
 create mode 100644 mods/randomizer/generator/generator_only.cpp

diff --git a/mods/randomizer/CMakeLists.txt b/mods/randomizer/CMakeLists.txt
index ffaf9a1bb2..aeb5bb5c96 100644
--- a/mods/randomizer/CMakeLists.txt
+++ b/mods/randomizer/CMakeLists.txt
@@ -87,6 +87,23 @@ set(RANDOMIZER_SOURCES
         src/session.cpp
 )
 
+# Embed the generator's YAML data into the mod library. Paths are relative to this
+# directory and must match the RANDO_DATA_PATH-based b::embed<> identifiers in code.
+file(GLOB_RECURSE RANDOMIZER_DATA RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
+        "${CMAKE_CURRENT_SOURCE_DIR}/generator/data/*")
+
+# Create an OBJECT library to hold all battery-embed generated files so we can add it
+# to both the mod and the standalone generator
+add_library(randomizer_embeds OBJECT)
+
+b_embed(randomizer_embeds "res/shadow_crystal.bti")
+foreach (RANDOMIZER_FILE IN LISTS RANDOMIZER_DATA)
+    if (RANDOMIZER_FILE MATCHES "^generator/data/tests")
+        continue()
+    endif ()
+    b_embed(randomizer_embeds "${RANDOMIZER_FILE}")
+endforeach ()
+
 add_mod(randomizer
     FEATURES game
     SOURCES  src/mod.cpp ${RANDOMIZER_GENERATOR_SOURCES} ${RANDOMIZER_SOURCES}
@@ -94,7 +111,7 @@ add_mod(randomizer
     RES_DIR  res
 )
 
-target_link_libraries(randomizer PRIVATE yaml-cpp::yaml-cpp base64pp fmt::fmt)
+target_link_libraries(randomizer PRIVATE yaml-cpp::yaml-cpp base64pp fmt::fmt randomizer_embeds)
 
 string(LENGTH "${CMAKE_CURRENT_SOURCE_DIR}/" RANDOMIZER_SOURCE_PATH_SIZE)
 target_compile_definitions(randomizer PRIVATE
@@ -102,14 +119,11 @@ target_compile_definitions(randomizer PRIVATE
         SOURCE_PATH_SIZE=${RANDOMIZER_SOURCE_PATH_SIZE}
 )
 
-# Embed the generator's YAML data into the mod library. Paths are relative to this
-# directory and must match the RANDO_DATA_PATH-based b::embed<> identifiers in code.
-file(GLOB_RECURSE RANDOMIZER_DATA RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
-        "${CMAKE_CURRENT_SOURCE_DIR}/generator/data/*")
-b_embed(randomizer "res/shadow_crystal.bti")
-foreach (RANDOMIZER_FILE IN LISTS RANDOMIZER_DATA)
-    if (RANDOMIZER_FILE MATCHES "^generator/data/tests")
-        continue()
-    endif ()
-    b_embed(randomizer "${RANDOMIZER_FILE}")
-endforeach ()
+# standalone randomizer generator for testing
+add_executable(randomizer_generator ${CMAKE_CURRENT_SOURCE_DIR}/generator/generator_only.cpp ${RANDOMIZER_GENERATOR_SOURCES})
+target_link_libraries(randomizer_generator PRIVATE yaml-cpp::yaml-cpp base64pp fmt::fmt randomizer_embeds)
+target_compile_definitions(randomizer_generator PRIVATE
+        RANDO_DATA_PATH="generator/data/"
+        SOURCE_PATH_SIZE=${RANDOMIZER_SOURCE_PATH_SIZE}
+        RANDO_SAVE_PATH="${CMAKE_BINARY_DIR}/randomizer/"
+        RANDOMIZER_ONLY)
diff --git a/mods/randomizer/generator/generator_only.cpp b/mods/randomizer/generator/generator_only.cpp
new file mode 100644
index 0000000000..12f5ae52bb
--- /dev/null
+++ b/mods/randomizer/generator/generator_only.cpp
@@ -0,0 +1,8 @@
+#include "randomizer.hpp"
+
+int main() {
+    randomizer::Randomizer rando{RANDO_SAVE_PATH};
+    rando.Generate();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/mods/randomizer/generator/randomizer.cpp b/mods/randomizer/generator/randomizer.cpp
index 7f8cec0adf..9935213b46 100644
--- a/mods/randomizer/generator/randomizer.cpp
+++ b/mods/randomizer/generator/randomizer.cpp
@@ -14,8 +14,10 @@
 
 #include <iostream>
 
+#ifndef RANDOMIZER_ONLY
 #include "../src/paths.hpp"
 #include "../src/randomizer_context.hpp"
+#endif
 
 namespace randomizer
 {
@@ -37,13 +39,14 @@ namespace randomizer
         catch(const std::exception& e)
         {
             std::cout << "============================================================" << std::endl;
-            std::cout << "The following exception occured: " << e.what() << std::endl;
+            std::cout << "The following exception occurred: " << e.what() << std::endl;
             return e.what();
         }
 
         return std::nullopt;
     }
 
+#ifndef RANDOMIZER_ONLY
     void Randomizer::GenerateTrackerWorld() {
         auto contextHash = randomizer_GetContext().mHash;
 
@@ -78,7 +81,7 @@ namespace randomizer
         FlattenSearch search = FlattenSearch(trackerWorld);
         search.doSearch();
     }
-
+#endif
     void Randomizer::GenerateWorlds()
     {
         utility::time::ScopedTimer<"Seed generation took ", std::chrono::milliseconds> timer;
diff --git a/mods/randomizer/generator/utility/text.cpp b/mods/randomizer/generator/utility/text.cpp
index 70f830697a..afe3ea32a7 100644
--- a/mods/randomizer/generator/utility/text.cpp
+++ b/mods/randomizer/generator/utility/text.cpp
@@ -6,8 +6,10 @@
 
 #include <unordered_map>
 
+#ifndef RANDOMIZER_ONLY
 #include "JSystem/JUtility/JUTFont.h"
 #include "m_Do/m_Do_ext.h"
+#endif
 
 namespace randomizer {
 
@@ -399,14 +401,15 @@ namespace randomizer {
                 continue;
             }
 
-            JUTFont::TWidth width{};
+
 #ifndef RANDOMIZER_ONLY
+            JUTFont::TWidth width{};
             gameFont->getWidthEntry(str[i], &width);
+            curLineWidth += /*width.field_0x0 + */width.field_0x1;
 #else
             // Assume worst case with no iso access
-            width.field_0x1 = 21;
+            curLineWidth += 21;
 #endif
-            curLineWidth += /*width.field_0x0 + */width.field_0x1;
             // If we exceed the maximum line width, replace the
             // previous space with a newline and start counting
             // from the newline again