From f7c823eeaf723d1bc3e3b6cc90b404a2716bdd72 Mon Sep 17 00:00:00 2001
From: "Skyth (Asilkan)"
 <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Sun, 30 Mar 2025 18:42:37 +0300
Subject: [PATCH] Fix staffroll text getting cropped at narrow aspect ratios.
 (#1489)

---
 .../patches/aspect_ratio_patches.cpp          | 36 +++++++++++++++++++
 UnleashedRecompLib/config/SWA.toml            | 35 ++++++++++++++++++
 2 files changed, 71 insertions(+)

diff --git a/UnleashedRecomp/patches/aspect_ratio_patches.cpp b/UnleashedRecomp/patches/aspect_ratio_patches.cpp
index d1780b16..02f49ee0 100644
--- a/UnleashedRecomp/patches/aspect_ratio_patches.cpp
+++ b/UnleashedRecomp/patches/aspect_ratio_patches.cpp
@@ -1650,3 +1650,39 @@ PPC_FUNC(sub_82E54950)
         __imp__sub_82E54950(ctx, base);
     }
 }
+
+// Credits while Sonic is running are offseted by 133 pixels at 16:9.
+// We can make this dynamic by remembering the anchoring and shifting accordingly.
+void EndingTextAllocMidAsmHook(PPCRegister& r3)
+{
+    r3.u32 += sizeof(uint32_t);
+}
+
+static constexpr uint32_t ENDING_TEXT_SIZE = 0x164;
+
+void EndingTextCtorRightMidAsmHook(PPCRegister& r3)
+{
+    *reinterpret_cast<uint32_t*>(g_memory.base + r3.u32 + ENDING_TEXT_SIZE) = ALIGN_RIGHT;
+}
+
+void EndingTextCtorLeftMidAsmHook(PPCRegister& r3)
+{
+    *reinterpret_cast<uint32_t*>(g_memory.base + r3.u32 + ENDING_TEXT_SIZE) = ALIGN_LEFT;
+}
+
+void EndingTextCtorCenterMidAsmHook(PPCRegister& r3)
+{
+    *reinterpret_cast<uint32_t*>(g_memory.base + r3.u32 + ENDING_TEXT_SIZE) = ALIGN_CENTER;
+}
+
+void EndingTextPositionMidAsmHook(PPCRegister& r31, PPCRegister& f13)
+{
+    uint32_t align = *reinterpret_cast<uint32_t*>(g_memory.base + r31.u32 + ENDING_TEXT_SIZE);
+
+    // Since widescreen is always forced, 133 offset will always be part of the position.
+    if (align == ALIGN_RIGHT)
+        f13.f64 += -133.0 * (1.0 - g_aspectRatioNarrowScale);
+
+    else if (align == ALIGN_LEFT)
+        f13.f64 += 133.0 * (1.0 - g_aspectRatioNarrowScale);
+}
diff --git a/UnleashedRecompLib/config/SWA.toml b/UnleashedRecompLib/config/SWA.toml
index db5bf2d7..eb871b8a 100644
--- a/UnleashedRecompLib/config/SWA.toml
+++ b/UnleashedRecompLib/config/SWA.toml
@@ -1106,3 +1106,38 @@ name = "UseAlternateTitleMidAsmHook"
 address = 0x82580F44
 jump_address_on_true = 0x82580F48
 jump_address_on_false = 0x82580FA0
+
+[[midasm_hook]]
+name = "EndingTextAllocMidAsmHook"
+address = 0x8257E284
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextAllocMidAsmHook"
+address = 0x8257E45C
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextAllocMidAsmHook"
+address = 0x8257EDD8
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextCtorRightMidAsmHook"
+address = 0x8257E304
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextCtorLeftMidAsmHook"
+address = 0x8257E4DC
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextCtorCenterMidAsmHook"
+address = 0x8257EE40
+registers = ["r3"]
+
+[[midasm_hook]]
+name = "EndingTextPositionMidAsmHook"
+address = 0x82580168
+registers = ["r31", "f13"]