Play as kafei (#298)

mm/2s2h/BenGui/BenMenuBar.cpp

@@ -8,6 +8,7 @@
 #include <string>
 #include "2s2h/Enhancements/Enhancements.h"
 #include "2s2h/Enhancements/Graphics/MotionBlur.h"
+#include "2s2h/Enhancements/Graphics/PlayAsKafei.h"
 #include "2s2h/DeveloperTools/DeveloperTools.h"
 #include "2s2h/DeveloperTools/WarpPoint.h"
 #include "HudEditor.h"
@@ -359,6 +360,15 @@ void DrawEnhancementsMenu() {
             ImGui::EndMenu();
         }
 
+        if (UIWidgets::BeginMenu("Modes")) {
+            if (UIWidgets::CVarCheckbox("Play As Kafei", "gModes.PlayAsKafei", {
+                .tooltip = "Requires scene reload to take effect."
+            })) {
+                UpdatePlayAsKafeiSkeletons();
+            }
+            ImGui::EndMenu();
+        }
+
         if (mHudEditorWindow) {
             UIWidgets::WindowButton("Hud Editor", "gWindows.HudEditor", mHudEditorWindow, {
                 .tooltip = "Enables the Hud Editor window, allowing you to edit your hud"

mm/2s2h/Enhancements/Enhancements.cpp

@@ -18,5 +18,8 @@ void InitEnhancements() {
     // Cutscenes
     RegisterSkipEntranceCutscenes();
     RegisterHideTitleCards();
+    
+    // Modes
+    RegisterPlayAsKafei();
 
 }

mm/2s2h/Enhancements/Enhancements.h

@@ -9,6 +9,7 @@
 #include "Cutscenes/SkipEntranceCutscenes.h"
 #include "Cutscenes/HideTitleCards.h"
 #include "Restorations/SideRoll.h"
+#include "Graphics/PlayAsKafei.h"
 
 #ifdef __cplusplus
 extern "C" {

mm/2s2h/Enhancements/Graphics/PlayAsKafei.cpp

@@ -0,0 +1,86 @@
+#include "PlayAsKafei.h"
+#include "libultraship/libultraship.h"
+#include "2s2h/Enhancements/GameInteractor/GameInteractor.h"
+
+extern "C" {
+#include "z64.h"
+#include "functions.h"
+extern PlayState* gPlayState;
+#include "objects/object_link_child/object_link_child.h"
+#include "objects/object_test3/object_test3.h"
+void ResourceMgr_PatchGfxByName(const char* path, const char* patchName, int index, Gfx instruction);
+void ResourceMgr_UnpatchGfxByName(const char* path, const char* patchName);
+extern TexturePtr sPlayerEyesTextures[PLAYER_FORM_MAX][PLAYER_EYES_MAX];
+extern TexturePtr sPlayerMouthTextures[PLAYER_FORM_MAX][PLAYER_MOUTH_MAX];
+}
+
+static SkeletonHeader gLinkHumanSkelBackup;
+static SkeletonHeader gKafeiSkelBackup;
+
+void UpdatePlayAsKafeiSkeletons() {
+    if (CVarGetInteger("gModes.PlayAsKafei", 0)) {
+        auto gLinkHumanSkelResource = Ship::Context::GetInstance()->GetResourceManager()->LoadResource(gLinkHumanSkel);
+        SkeletonHeader* gLinkHumanSkelPtr = (SkeletonHeader*)gLinkHumanSkelResource->GetRawPointer();
+        memcpy(gLinkHumanSkelPtr, &gKafeiSkelBackup, sizeof(SkeletonHeader));
+    } else {
+        auto gLinkHumanSkelResource = Ship::Context::GetInstance()->GetResourceManager()->LoadResource(gLinkHumanSkel);
+        SkeletonHeader* gLinkHumanSkelPtr = (SkeletonHeader*)gLinkHumanSkelResource->GetRawPointer();
+        memcpy(gLinkHumanSkelPtr, &gLinkHumanSkelBackup, sizeof(SkeletonHeader));
+    }
+}
+
+void UpdatePlayAsKafeiOther() {
+    if (CVarGetInteger("gModes.PlayAsKafei", 0)) {
+        ResourceMgr_PatchGfxByName(gLinkHumanWaistDL, "gLinkHumanWaistDL0", 0, gsSPDisplayListOTRFilePath(gKafeiWaistDL));
+        ResourceMgr_PatchGfxByName(gLinkHumanWaistDL, "gLinkHumanWaistDL1", 1, gsSPEndDisplayList());
+
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][0] = (TexturePtr)gKafeiEyesOpenTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][1] = (TexturePtr)gKafeiEyesHalfTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][2] = (TexturePtr)gKafeiEyesClosedTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][3] = (TexturePtr)gKafeiEyesRollRightTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][4] = (TexturePtr)gKafeiEyesRollLeftTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][5] = (TexturePtr)gKafeiEyesRollUpTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][6] = (TexturePtr)gKafeiEyesRollDownTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][7] = (TexturePtr)object_test3_Tex_006680;
+
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][0] = (TexturePtr)gKafeiMouthClosedTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][1] = (TexturePtr)gKafeiMouthTeethTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][2] = (TexturePtr)gKafeiMouthAngryTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][3] = (TexturePtr)gKafeiMouthHappyTex;
+    } else {
+        ResourceMgr_UnpatchGfxByName(gLinkHumanWaistDL, "gLinkHumanWaistDL0");
+        ResourceMgr_UnpatchGfxByName(gLinkHumanWaistDL, "gLinkHumanWaistDL1");
+        
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][0] = (TexturePtr)gLinkHumanEyesOpenTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][1] = (TexturePtr)gLinkHumanEyesHalfTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][2] = (TexturePtr)gLinkHumanEyesClosedTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][3] = (TexturePtr)gLinkHumanEyesRollRightTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][4] = (TexturePtr)gLinkHumanEyesRollLeftTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][5] = (TexturePtr)gLinkHumanEyesRollUpTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][6] = (TexturePtr)gLinkHumanEyesRollDownTex;
+        sPlayerEyesTextures[PLAYER_FORM_HUMAN][7] = (TexturePtr)object_link_child_Tex_003800;
+
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][0] = (TexturePtr)gLinkHumanMouthClosedTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][1] = (TexturePtr)gLinkHumanMouthTeethTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][2] = (TexturePtr)gLinkHumanMouthAngryTex;
+        sPlayerMouthTextures[PLAYER_FORM_HUMAN][3] = (TexturePtr)gLinkHumanMouthHappyTex;
+    }
+}
+
+void RegisterPlayAsKafei() {
+    auto gLinkHumanSkelResource = Ship::Context::GetInstance()->GetResourceManager()->LoadResource(gLinkHumanSkel);
+    auto gKafeiSkelResource = Ship::Context::GetInstance()->GetResourceManager()->LoadResource(gKafeiSkel);
+
+    SkeletonHeader* gLinkHumanSkelPtr = (SkeletonHeader*)gLinkHumanSkelResource->GetRawPointer();
+    SkeletonHeader* gKafeiSkelPtr = (SkeletonHeader*)gKafeiSkelResource->GetRawPointer();
+
+    memcpy(&gLinkHumanSkelBackup, gLinkHumanSkelPtr, sizeof(SkeletonHeader));
+    memcpy(&gKafeiSkelBackup, gKafeiSkelPtr, sizeof(SkeletonHeader));
+
+    UpdatePlayAsKafeiSkeletons();
+    UpdatePlayAsKafeiOther();
+
+    GameInteractor::Instance->RegisterGameHook<GameInteractor::OnSceneInit>([] (s8 sceneId, s8 spawnNum) {
+        UpdatePlayAsKafeiOther();
+    });
+}

mm/2s2h/Enhancements/Graphics/PlayAsKafei.h

@@ -0,0 +1,8 @@
+#ifndef GRAPHICS_PLAY_AS_KAFEI_H
+#define GRAPHICS_PLAY_AS_KAFEI_H
+
+void RegisterPlayAsKafei();
+void UpdatePlayAsKafeiSkeletons();
+void UpdatePlayAsKafeiOther();
+
+#endif // GRAPHICS_PLAY_AS_KAFEI_H