Load custom head milo when prefab head is hidden

this only impacts custom characters being loaded through modified prefabs and is purely to better support mods, there is no impact to vanilla rb3

Author: ihatecompvir

include/MiloSceneHooks.h

@@ -7,7 +7,9 @@
 #include "rb3/DirLoader.h"
 #include "rb3/Object.h"
 #include "rb3/Vector.h"
+#include "rb3/String.h"
 
 // void DirLoaderOpenFileHook(DirLoader *thisDirLoader);
 void LoadObj(Object *object, BinStream *stream);
-void VertexReadHook(BinStream *thisBinStream, Vector3 *vec3);
+void VertexReadHook(BinStream *thisBinStream, Vector3 *vec3);
+void MakeOutfitPathHook(void *thisBandCharDesc, Symbol part, String *filePath);

include/ports_wii.h

@@ -107,6 +107,7 @@
 #define PORT_FILEISLOCAL 0x802fb548              // FileIsLocal
 #define PORT_FILEISDLC 0x802fb54c                // FileIsDLC
 #define PORT_SDMODECHECK 0x802F5638              // WiiContentMgr::SDModeCheck
+#define PORT_CHARBANDDESC_MAKEOUTFITPATH 0x803dbf70 // CharBandDesc::MakeOutfitPath
 // instance addresses
 #define PORT_MODIFIERMGR_POINTER 0x808fda68 // pointer to ModifierManager
 #define PORT_ROCKCENTRALGATEWAY 0x80900870  // address of RockCentralGateway

include/ports_xbox360.h

@@ -50,6 +50,7 @@
 #define PORT_STAGEKIT_EXISTS 0x8228d03c          // StageKit check. nop over to allow for fog command without a physical StageKit connected.
 #define PORT_VERTEX_READ_1 0x82418704            // call to Vector3::operator>> to read vertex position
 #define PORT_VERTEX_READ_2 0x82418748            // call to Vector3::operator>> to read vertex normals
+#define PORT_CHARBANDDESC_MAKEOUTFITPATH 0x82335220 // CharBandDesc::MakeOutfitPath
 #define PORT_MULTIPLAYER_CRASH 0x82ae6880        // branch to a function that can crash in online multiplayer
 #define PORT_MULTIPLAYER_FIX 0x8282b238          // the function that doesn't crash
 #define PORT_QUAZAL_BREAKPOINT 0x828410c0        // address to DbgBreakPoint in Quazal::Platform::Breakpoint

include/rb3/CharBandDesc.h

@@ -0,0 +1,8 @@
+#ifndef _CHARBANDDESC_H
+#define _CHARBANDDESC_H
+
+#include "Symbol.h"
+
+extern void MakeOutfitPath(void *thisBandCharDesc, Symbol part, String *filePath);
+
+#endif // _CHARBANDDESC_H

include/rb3_include.h

@@ -9,6 +9,7 @@
 #include "rb3/BandUser.h"
 #include "rb3/BandUserMgr.h"
 #include "rb3/BinStream.h"
+#include "rb3/CharBandDesc.h"
 #include "rb3/Casting.h"
 #include "rb3/ChunkStream.h"
 #include "rb3/Data.h"

source/MiloSceneHooks.c

@@ -20,6 +20,8 @@ void DirLoaderOpenFileHook(DirLoader *thisDirLoader)
 }
 */
 
+static char headPath[512] = "char/main/head/male/head_custom.milo";
+
 void LoadObj(Object *object, BinStream *stream)
 {
     char newPath[512] = {0};
@@ -91,4 +93,57 @@ void VertexReadHook(BinStream *thisBinStream, Vector3 *vec3)
 
     return;
 #endif
+}
+
+
+// the third arg is not really a String but a FilePath but shhh i wont tell if you dont
+void MakeOutfitPathHook(void *thisBandCharDesc, Symbol part, String *filePath)
+{
+    const char *path;
+    char *copy;
+    size_t len;
+
+    // check if the head is hidden on the prefab and we are trying to load the head part
+    if (*(char *)((char *)thisBandCharDesc + 0x20) == 1 && strcmp(part.sym, "head") == 0)
+    {
+        // determine gender, gender is a Symbol at 0x10
+        Symbol *genderSym = (Symbol *)((char *)thisBandCharDesc + 0x10);
+        if (strcmp(genderSym->sym, "female") == 0)
+        {
+            path = "char/main/head/female/head_custom.milo";
+            len = strlen(path);
+
+            RB3E_DEBUG("Head is hidden on female prefab, using custom head milo", 0);
+
+            copy = (char *)malloc(len + 1);
+            if (copy != NULL)
+            {
+                strcpy(copy, path);
+                filePath->buf = copy;
+                filePath->length = (int)len;
+            }
+            return;
+        } 
+        else if (strcmp(genderSym->sym, "male") == 0)
+        {
+            path = "char/main/head/male/head_custom.milo";
+            len = strlen(path);
+
+            RB3E_DEBUG("Head is hidden on male prefab, using custom head milo", 0);
+
+            copy = (char *)malloc(len + 1);
+            if (copy != NULL)
+            {
+                strcpy(copy, path);
+                filePath->buf = copy;
+                filePath->length = (int)len;
+            }
+            return;
+        } else {
+            RB3E_DEBUG("Unknown gender, cannot load custom head milo", 0);
+            return;
+        }
+    }
+
+    MakeOutfitPath(thisBandCharDesc, part, filePath);
 }

source/_functions.c

@@ -113,6 +113,7 @@ RB3E_STUB(ResolvedModuleKeyboard)
 RB3E_STUB(XboxContentConstruct)
 RB3E_STUB(CacheMgrXbox_MountAsync)
 RB3E_STUB(DataArrayExecute)
+RB3E_STUB(MakeOutfitPath)
 
 #ifdef RB3E_WII
 // Wii-specific functions

source/rb3enhanced.c

@@ -452,6 +452,9 @@ void ApplyHooks()
     POKE_BL(PORT_LOADOBJS_BCTRL, &LoadObj);
     POKE_BL(PORT_VERTEX_READ_1, &VertexReadHook);
     POKE_BL(PORT_VERTEX_READ_2, &VertexReadHook);
+
+    // outfit path stuff is 360 only for now
+    HookFunction(PORT_CHARBANDDESC_MAKEOUTFITPATH, &MakeOutfitPath, &MakeOutfitPathHook);
 #endif
     RB3E_MSG("Hooks applied!", NULL);
 }