From 96bca0fac7c2cbfa1d9bca84f667a01160d2a9c4 Mon Sep 17 00:00:00 2001
From: Jarrod Doyle <thejarroddoyle@gmail.com>
Date: Sun, 9 Mar 2025 20:24:11 +0000
Subject: [PATCH] Add LM_PARAM chunk

---
 patterns/db_files/AllChunks.pat          |  1 +
 patterns/db_files/DbFile.pat             |  3 +--
 patterns/db_files/chunks/LM_PARAM.hexpat | 17 +++++++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)
 create mode 100644 patterns/db_files/chunks/LM_PARAM.hexpat

diff --git a/patterns/db_files/AllChunks.pat b/patterns/db_files/AllChunks.pat
index 34f16cb..1b0d3a2 100644
--- a/patterns/db_files/AllChunks.pat
+++ b/patterns/db_files/AllChunks.pat
@@ -28,6 +28,7 @@
 #include "db_files/chunks/HotRegions.hexpat"
 #include "db_files/chunks/L$_.hexpat"
 #include "db_files/chunks/LD$_.hexpat"
+#include "db_files/chunks/LM_PARAM.hexpat"
 #include "db_files/chunks/MAPISRC.hexpat"
 #include "db_files/chunks/Mission_GameSysEAX.hexpat"
 #include "db_files/chunks/MultiBrush.hexpat"
diff --git a/patterns/db_files/DbFile.pat b/patterns/db_files/DbFile.pat
index f2f49fe..bdaf88b 100644
--- a/patterns/db_files/DbFile.pat
+++ b/patterns/db_files/DbFile.pat
@@ -66,6 +66,7 @@ struct TOCEntry {
         ("FOGZONEVAR"): Chunk<FogZoneVar> fog_zone_var @ offset;
         ("GameSysEAX"): Chunk<AccousticsProperty> gamesys_eax @ offset;
         ("HotRegions"): Chunk<HotRegions> hot_regions @ offset;
+        ("LM_PARAM"): Chunk<LmParams> lm_params @ offset;
         ("MAPISRC"): Chunk<MapISrc> map_i_src @ offset;
         ("MissionEAX"): Chunk<AccousticsProperty> mission_eax @ offset;
         ("MultiBrush"): Chunk<MultiBrush> multibrush @ offset;
@@ -92,11 +93,9 @@ struct TOCEntry {
             }
             else if (std::string::starts_with(name, "LD$")) {
                 Chunk<LinkDataChunk> link_data @ offset [[name(name)]];
-                // std::print("LD: {}", name);
             }
             else if (std::string::starts_with(name, "L$")) {
                 Chunk<LinkMap> link_chunk @ offset [[name(name)]];
-                // std::print("L: {}", name);
             }
             else {
                 std::print("Didn't load chunk: {}", name);
diff --git a/patterns/db_files/chunks/LM_PARAM.hexpat b/patterns/db_files/chunks/LM_PARAM.hexpat
new file mode 100644
index 0000000..aaf5dc4
--- /dev/null
+++ b/patterns/db_files/chunks/LM_PARAM.hexpat
@@ -0,0 +1,17 @@
+#pragma once
+
+#include "Common.hexpat"
+
+struct LmParams {
+    u32 unknown1; // I think this is struct size (seemingly always 36)
+    float attenuation;
+    float saturation;
+    u32 shadow_type; // TODO: Enum
+    u32 softness; // TODO: Enum
+    float center_weight;
+    u32 depth_mode; // TODO: Enum (16, 32, 32-2x)
+    bool lightmapped_water;
+    padding[3];
+    s32 lightmap_scale;
+    u32 animlight_cutoff;
+};
\ No newline at end of file