refactor how mods are created, add new callback

CubeModLoader/DLL.h

@@ -2,6 +2,7 @@
 #define DLL_H
 #include <iostream>
 #include <windows.h>
+#include "GenericMod.h"
 
 class DLL
 {
@@ -10,14 +11,11 @@ class DLL
         HMODULE handle;
 
         FARPROC ModPreInitialize;
-        FARPROC ModInitialize;
         FARPROC ModMajorVersion;
         FARPROC ModMinorVersion;
+		FARPROC MakeMod;
 
-        // Callbacks
-        FARPROC HandleChat;
-        FARPROC HandleP2PRequest;
-        FARPROC HandleCheckInventoryFull;
+		GenericMod* mod;
 
         DLL(std::string fileName);
         HMODULE Load();

CubeModLoader/GenericMod.h

@@ -0,0 +1,13 @@
+#ifndef GENERICMOD_H
+#define GENERICMOD_H
+
+class GenericMod {
+public:
+	virtual void Initialize() {}
+	virtual int OnChat(void* msg) { return 0; }
+	virtual int OnCheckInventoryFull(void* player, void* item) { return 0; }
+	virtual int OnP2PRequest(uint64_t steamID) { return 0; }
+	virtual void OnGameTick(void* game) {}
+};
+
+#endif // GENERICMOD_H

CubeModLoader/callbacks/ChatHandler.h

@@ -1,11 +1,9 @@
-extern "C" int ChatHandler(wchar_t* msg) {
+extern "C" int ChatHandler(void* msg) {
     for (DLL* dll: modDLLs) {
-        if (dll->HandleChat) {
-            if (  ((int(*)(wchar_t*))dll->HandleChat)(msg)  ){
+		if (dll->mod->OnChat(msg)) {
 			return 1;
 		}
     }
-    }
     return 0;
 }
 
@@ -15,7 +13,7 @@ void ASMChatHandler() {
 	asm(".intel_syntax \n"
 		PUSH_ALL
 
-        "mov rcx, rbx \n" // The message
+		"mov rcx, rbx \n" //The (std::wstring*) message
 
 		PREPARE_STACK
 
@@ -30,9 +28,12 @@ void ASMChatHandler() {
 		POP_ALL
 
 		// original code
-        "mov qword ptr [rbp+0x88], 7 \n"
-        "mov [rbp+0x80], r12 \n"
-        "mov [rbp+0x70], r12w \n"
+		"mov [rsp+0x48], rax \n"
+		"mov r8, [rbx+0x10] \n"
+		"cmp qword ptr [rbx+0x18], 8 \n"
+		"jb 1f \n"
+		"mov rbx, [rbx] \n"
+		"1: \n"
 		DEREF_JMP(ASMChatHandler_jmpback)
 
 
@@ -42,7 +43,7 @@ void ASMChatHandler() {
 	);
 }
 void SetupChatHandler() {
-    WriteFarJMP(Offset(base, 0x97198), (void*)&ASMChatHandler);
-    ASMChatHandler_jmpback = Offset(base, 0x971B0);
+	WriteFarJMP(Offset(base, 0x97175), (void*)&ASMChatHandler);
+	ASMChatHandler_jmpback = Offset(base, 0x97188);
 	ASMChatHandler_bail = Offset(base, 0x9777A);
 }

CubeModLoader/callbacks/CheckInventoryFullHandler.h

@@ -1,11 +1,9 @@
 extern "C" int CheckInventoryFullHandler(void* player, void* item) {
     for (DLL* dll: modDLLs) {
-        if (dll->HandleCheckInventoryFull) {
-            if ( int result = ((int(*)(void*, void*))dll->HandleCheckInventoryFull)(player, item)  ){
+        if ( int result = dll->mod->OnCheckInventoryFull(player, item) ){
             return result;
         }
     }
-    }
     return 0;
 }
 

CubeModLoader/callbacks/GameTickHandler.h

@@ -0,0 +1,35 @@
+extern "C" void GameTickHandler(void* game) {
+    for (DLL* dll: modDLLs) {
+		dll->mod->OnGameTick(game);
+    }
+}
+
+GETTER_VAR(void*, ASMGameTickHandler_jmpback);
+void ASMGameTickHandler() {
+    asm(".intel_syntax \n"
+		PUSH_ALL
+
+        "mov rcx, rax \n" // cube::Game*
+
+        PREPARE_STACK
+
+        "call GameTickHandler \n"
+
+        RESTORE_STACK
+
+        POP_ALL
+
+        // original code
+        "mov [rsp+0x20], ebx \n"
+        "xor r9d, r9d \n"
+        "xor r8d, r8d \n"
+		"xor edx, edx \n"
+		"lea rcx, [rbp+0xB8] \n"
+
+		DEREF_JMP(ASMGameTickHandler_jmpback)
+       );
+}
+void SetupGameTickHandler() {
+    WriteFarJMP(Offset(base, 0x136458), (void*)&ASMGameTickHandler);
+	ASMGameTickHandler_jmpback = Offset(base, 0x13646B);
+}

CubeModLoader/callbacks/P2PRequestHandler.h

@@ -1,11 +1,9 @@
 extern "C" int P2PRequestHandler(long long steamID) {
     for (DLL* dll: modDLLs) {
-        if (dll->HandleP2PRequest) {
-            if ( int result = ((int(*)(long long))dll->HandleP2PRequest)(steamID)  ){
+        if (int result = dll->mod->OnP2PRequest(steamID)) {
 			return result;
         }
     }
-    }
     return 0;
 }
 

CubeModLoader/main.cpp

@@ -27,11 +27,13 @@ GETTER_VAR(void*, initterm_e); // A pointer to that function
 #include "callbacks/ChatHandler.h"
 #include "callbacks/P2PRequestHandler.h"
 #include "callbacks/CheckInventoryFullHandler.h"
+#include "callbacks/GameTickHandler.h"
 
 void SetupHandlers() {
     SetupChatHandler();
     SetupP2PRequestHandler();
     SetupCheckInventoryFullHandler();
+	SetupGameTickHandler();
 }
 
 
@@ -74,10 +76,7 @@ extern "C" void StartMods() {
         MUST_IMPORT(dll, ModMajorVersion);
         MUST_IMPORT(dll, ModMinorVersion);
         MUST_IMPORT(dll, ModPreInitialize);
-        IMPORT(dll, ModInitialize);
-        IMPORT(dll, HandleChat);
-        IMPORT(dll, HandleP2PRequest);
-        IMPORT(dll, HandleCheckInventoryFull);
+		MUST_IMPORT(dll, MakeMod);
     }
 
     // Ensure version compatibility
@@ -100,12 +99,11 @@ extern "C" void StartMods() {
     // Run Initialization routines on all mods
     for (DLL* dll: modDLLs) {
         ((void(*)())dll->ModPreInitialize)();
+		dll->mod = ((GenericMod*(*)())dll->MakeMod)();
     }
 
     for (DLL* dll: modDLLs) {
-        if (dll->ModInitialize) {
-            ((void(*)())dll->ModInitialize)();
-        }
+		dll->mod->Initialize();
     }
     
     if (hSelf) PrintLoadedMods();