From b9f4f72d329f80d2798b9e3b767dc1105668e5e4 Mon Sep 17 00:00:00 2001
From: Christian Semmler <mail@csemmler.com>
Date: Sun, 10 Nov 2024 09:27:32 -0700
Subject: [PATCH] Implement/match LegoROI::FUN_100a9cf0

---
 LEGO1/lego/sources/roi/legoroi.cpp | 17 ++++++++++++++---
 LEGO1/lego/sources/roi/legoroi.h   |  1 +
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/LEGO1/lego/sources/roi/legoroi.cpp b/LEGO1/lego/sources/roi/legoroi.cpp
index 6906ad67..c9e0d21a 100644
--- a/LEGO1/lego/sources/roi/legoroi.cpp
+++ b/LEGO1/lego/sources/roi/legoroi.cpp
@@ -53,6 +53,9 @@ const char* g_unk0x10101390[] = {"rcuser", "jsuser", "dunebugy", "chtrblad", "ch
 // GLOBAL: LEGO1 0x101013ac
 ROIHandler g_unk0x101013ac = NULL;
 
+// GLOBAL: LEGO1 0x101013b0
+TextureHandler g_unk0x101013b0 = NULL;
+
 // FUNCTION: LEGO1 0x100a81b0
 void LegoROI::FUN_100a81b0(const LegoChar* p_error, const LegoChar* p_name)
 {
@@ -757,7 +760,7 @@ LegoBool LegoROI::FUN_100a9bf0(const LegoChar* p_param, float& p_red, float& p_g
 
 	if (g_unk0x101013ac) {
 		char buf[32];
-		if (g_unk0x101013ac(p_param, buf, 32)) {
+		if (g_unk0x101013ac(p_param, buf, sizeof(buf))) {
 			p_param = buf;
 		}
 	}
@@ -782,10 +785,18 @@ LegoBool LegoROI::ColorAliasLookup(const LegoChar* p_param, float& p_red, float&
 	return FALSE;
 }
 
-// STUB: LEGO1 0x100a9cf0
+// FUNCTION: LEGO1 0x100a9cf0
 LegoBool LegoROI::FUN_100a9cf0(const LegoChar* p_param, unsigned char* paletteEntries, LegoU32 p_numEntries)
 {
-	// TODO
+	if (p_param == NULL) {
+		return FALSE;
+	}
+
+	if (g_unk0x101013b0 != NULL) {
+		return g_unk0x101013b0(p_param, paletteEntries, p_numEntries);
+	}
+
+	paletteEntries[0] = '\0';
 	return FALSE;
 }
 
diff --git a/LEGO1/lego/sources/roi/legoroi.h b/LEGO1/lego/sources/roi/legoroi.h
index 541cfac5..82fe10af 100644
--- a/LEGO1/lego/sources/roi/legoroi.h
+++ b/LEGO1/lego/sources/roi/legoroi.h
@@ -5,6 +5,7 @@
 #include "viewmanager/viewroi.h"
 
 typedef unsigned char (*ROIHandler)(const char*, char*, unsigned int);
+typedef unsigned char (*TextureHandler)(const char*, unsigned char*, unsigned int);
 
 class LegoEntity;
 class LegoTextureContainer;