From 998eee9c618775bd00b60b42d2a9390aa65844c5 Mon Sep 17 00:00:00 2001
From: Jonaeru <kenji25b@gmail.com>
Date: Fri, 1 May 2026 21:28:41 +0900
Subject: [PATCH] Fix menu character and weapon texture corruption

---
 port/fast3d/gfx_api.h  |  1 +
 port/fast3d/gfx_pc.cpp | 23 +++++++++++++++++++++++
 port/include/video.h   |  1 +
 port/src/video.c       |  5 +++++
 src/game/menu.c        |  8 ++++++++
 5 files changed, 38 insertions(+)

diff --git a/port/fast3d/gfx_api.h b/port/fast3d/gfx_api.h
index 6a0bc3f43..327aa835e 100644
--- a/port/fast3d/gfx_api.h
+++ b/port/fast3d/gfx_api.h
@@ -48,6 +48,7 @@ void gfx_set_texture_filter(enum FilteringMode mode);
 void gfx_set_mipmap_filter(enum MipmapFilteringMode mode);
 void gfx_texture_cache_clear(void);
 void gfx_texture_cache_delete(const uint8_t *orig_addr);
+void gfx_texture_cache_delete_range(const uint8_t *start, const uint8_t *end);
 int gfx_create_framebuffer(uint32_t width, uint32_t height, int upscale, int autoresize);
 void gfx_resize_framebuffer(int fb, uint32_t width, uint32_t height, int upscale, int autoresize);
 void gfx_set_framebuffer(int fb, float noise_scale) ;
diff --git a/port/fast3d/gfx_pc.cpp b/port/fast3d/gfx_pc.cpp
index 269bd72b4..e0f66734d 100644
--- a/port/fast3d/gfx_pc.cpp
+++ b/port/fast3d/gfx_pc.cpp
@@ -585,6 +585,29 @@ void gfx_texture_cache_delete(const uint8_t* orig_addr) {
     }
 }
 
+void gfx_texture_cache_delete_range(const uint8_t* start, const uint8_t* end) {
+    gfx_flush();
+
+    for (int i = 0; i < 2; ++i) {
+        if (rendering_state.textures[i]
+                && rendering_state.textures[i]->first.texture_addr >= start
+                && rendering_state.textures[i]->first.texture_addr < end) {
+            rdp.textures_changed[i] = true;
+            rendering_state.textures[i] = nullptr;
+        }
+    }
+
+    for (auto it = gfx_texture_cache.map.begin(); it != gfx_texture_cache.map.end(); ) {
+        if (it->first.texture_addr >= start && it->first.texture_addr < end) {
+            gfx_texture_cache.lru.erase(it->second.lru_location);
+            gfx_texture_cache.free_texture_ids.push_back(it->second.texture_id);
+            it = gfx_texture_cache.map.erase(it);
+        } else {
+            ++it;
+        }
+    }
+}
+
 static void import_texture_rgba16(int tile, const LoadedTexture& loaded_texture, bool gen_mipmaps) {
     const uint8_t* addr = loaded_texture.addr;
     const uint32_t size_bytes = loaded_texture.size_bytes;
diff --git a/port/include/video.h b/port/include/video.h
index d0a81a29d..c9bb97f92 100644
--- a/port/include/video.h
+++ b/port/include/video.h
@@ -74,6 +74,7 @@ s32 videoFramebuffersSupported(void);
 
 void videoResetTextureCache(void);
 void videoFreeCachedTexture(const void *texptr);
+void videoFreeCachedTextures(const void *start, const void *end);
 
 void videoShutdown(void);
 
diff --git a/port/src/video.c b/port/src/video.c
index 63ad78293..3f1247d0c 100644
--- a/port/src/video.c
+++ b/port/src/video.c
@@ -530,6 +530,11 @@ void videoFreeCachedTexture(const void *texptr)
 	gfx_texture_cache_delete(texptr);
 }
 
+void videoFreeCachedTextures(const void *start, const void *end)
+{
+	gfx_texture_cache_delete_range(start, end);
+}
+
 void videoShutdown(void)
 {
 	free(vidModes);
diff --git a/src/game/menu.c b/src/game/menu.c
index c9f4cca3a..5e0699f1d 100644
--- a/src/game/menu.c
+++ b/src/game/menu.c
@@ -1928,6 +1928,10 @@ Gfx *menuRenderModel(Gfx *gdl, struct menumodel *menumodel, s32 modeltype)
 					totalfilelen += 0x4000;
 #endif
 
+#ifndef PLATFORM_N64
+					videoFreeCachedTextures(menumodel->allocstart, menumodel->allocstart + menumodel->alloclen);
+#endif
+
 					texInitPool(&texpool, menumodel->allocstart + totalfilelen, menumodel->alloclen - totalfilelen);
 
 					menumodel->headnum = headnum;
@@ -1960,6 +1964,10 @@ Gfx *menuRenderModel(Gfx *gdl, struct menumodel *menumodel, s32 modeltype)
 					totalfilelen = ALIGN64(fileGetInflatedSize(menumodel->newparams, LOADTYPE_MODEL)) + 0x4000;
 					if (1);
 
+#ifndef PLATFORM_N64
+					videoFreeCachedTextures(menumodel->allocstart, menumodel->allocstart + menumodel->alloclen);
+#endif
+
 					texInitPool(&texpool, &menumodel->allocstart[(u32)totalfilelen], menumodel->alloclen - totalfilelen);
 
 					menumodel->headnum = -1;