From 78cf4f029190d9807aea540c1ff986d69c978bb8 Mon Sep 17 00:00:00 2001
From: Archez <Archez@users.noreply.github.com>
Date: Tue, 26 Mar 2024 23:28:16 -0400
Subject: handle null lists in animated texture color params (#16)

---
 OTRExporter/TextureAnimationExporter.cpp | 47 +++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 16 deletions(-)

diff --git a/OTRExporter/TextureAnimationExporter.cpp b/OTRExporter/TextureAnimationExporter.cpp
index ba4376c..b5acf89 100644
--- a/OTRExporter/TextureAnimationExporter.cpp
+++ b/OTRExporter/TextureAnimationExporter.cpp
@@ -43,25 +43,40 @@ void OTRExporter_TextureAnimation::Save(ZResource* res, const fs::path& outPath,
 				writer->Write(colorParams->animLength);
 				writer->Write(colorParams->colorListCount);
 
-				writer->Write((uint32_t)colorParams->frameDataList.size());
-				for (const auto f : colorParams->frameDataList) {
-					writer->Write(f);
+				if (colorParams->frameDataListAddress != 0) { // NULL
+					writer->Write((uint16_t)colorParams->frameDataList.size());
+					for (const auto f : colorParams->frameDataList) {
+						writer->Write(f);
+					}
+				} else {
+					writer->Write((uint16_t)0);
 				}
-				writer->Write((uint32_t)colorParams->primColorList.size());
-				for (const auto prim : colorParams->primColorList) {
-					writer->Write(prim.r);
-					writer->Write(prim.g);
-					writer->Write(prim.b);
-					writer->Write(prim.a);
-					writer->Write(prim.lodFrac);
+
+				if (colorParams->primColorListAddress != 0) { // NULL
+					writer->Write((uint16_t)colorParams->primColorList.size());
+					for (const auto prim : colorParams->primColorList) {
+						writer->Write(prim.r);
+						writer->Write(prim.g);
+						writer->Write(prim.b);
+						writer->Write(prim.a);
+						writer->Write(prim.lodFrac);
+					}
+				} else {
+					writer->Write((uint16_t)0);
 				}
-				writer->Write((uint16_t)colorParams->envColorList.size());
-				for (const auto env : colorParams->envColorList) {
-					writer->Write(env.r);
-					writer->Write(env.g);
-					writer->Write(env.b);
-					writer->Write(env.a);
+
+				if (colorParams->envColorListAddress != 0) { // NULL
+					writer->Write((uint16_t)colorParams->envColorList.size());
+					for (const auto env : colorParams->envColorList) {
+						writer->Write(env.r);
+						writer->Write(env.g);
+						writer->Write(env.b);
+						writer->Write(env.a);
+					}
+				} else {
+					writer->Write((uint16_t)0);
 				}
+
 				break;
 			}
 			case TextureAnimationParamsType::TextureCycle: {
-- 
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