write hardcoded mem offfset to a single file

bedrock-dev · Mar 25, 2021 · 21de1fb · 21de1fb
1 parent 47efe44
commit 21de1fb
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Showing 19 changed files with 252 additions and 366 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -42,7 +42,9 @@ add_library(${MOD_API_NAME} STATIC
         api/world/LevelChunk.cpp
         api/language/I18nManager.cpp
         api/language/I18nManager.h
-        api/tools/CastHelper.h)
+        api/tools/CastHelper.h
+        api/Offset.h
+        )
 
 target_include_directories(${MOD_API_NAME}
         PUBLIC
@@ -62,7 +64,7 @@ target_link_libraries(${MOD_API_NAME} ${PROJECT_SOURCE_DIR}/api/lib/detours.lib)
 ####################这里是具体功能##########################
 set(TRAPDOOR_VERSION 0.9.42)
 set(MCBE_VERSION 1.16.40.2)
-set(BETA  OFF)
+set(BETA OFF)
 
 add_definitions(-DTD_VERSION="${TRAPDOOR_VERSION}")
 add_definitions(-DMC_VERSION="${MCBE_VERSION}")
@@ -86,13 +88,10 @@ add_library(${MOD_NAME}
         mod/tick/SimpleProfiler.cpp
         mod/tick/ActorProfiler.cpp
         mod/spawn/SpawnHelper.cpp
-        mod/spawn/SpawnAnalyzer.cpp
         mod/function/BlockRotationHelper.cpp
         mod/player/PlayerFunction.cpp
         mod/function/SimpleBuilder.cpp
         mod/spawn/SlimeChunkHelper.cpp
-        mod/player/PlayerStatisticManager.cpp
-        mod/player/Player.cpp
         mod/function/BackupHelper.cpp
         mod/os/process_stat.cpp
         mod/village/POIInstance.cpp

diff --git a/api/Offset.h b/api/Offset.h
@@ -0,0 +1,54 @@
+namespace off {
+
+
+    //!BlockLegacy::getVariant(BlockLegacy *this, char *a2)
+    constexpr uint64_t BLOCK_GET_VARIANT = 0x8;
+
+    //todo:
+    constexpr uint64_t BLOCKSOURCE_GET_POSITION = 0x2c;
+
+    //todo:
+    constexpr uint64_t BLOCKLEGACY_GET_BLOCK_ID = 0x10c;
+
+    //todo:
+    constexpr uint64_t BASECIRCUITCOMPONENT_GET_STRENGTH = 0x34;
+
+    //todo
+    constexpr std::pair<uint64_t, uint64_t> BASECIRCUITCOMPONENT_SOURCE_RANGE = {0x1, 0x2};
+
+    //todo
+    constexpr uint64_t COMMAND_PACKET_STR = 0x28;
+
+    //!from Player::tickWorld
+    constexpr uint64_t PLAYER_GET_BLOCKSOURCE = 0x64;
+
+    //todo
+    constexpr uint64_t ACTOR_GET_DIMENSION_ID = 0xCC;
+
+
+    //! from  ServerPlayer::isHostingPlayer
+    constexpr uint64_t ACTOR_GET_CLIENT_ID = 0x980;
+
+    //todo
+    constexpr uint64_t ACTOR_ID_GET_NAME = 0x20;
+
+    //todo
+    constexpr uint64_t ITEM_GET_NUM = 0x22;
+
+    constexpr uint64_t BIOME_GET_NAME = 0x8;
+
+    constexpr uint64_t DIMENSION_GET_CIRCUIT_SYSTEM = 0x21;
+
+    constexpr uint64_t CIRCUIT_GET_GRAPH = 0x8;
+
+    constexpr uint64_t DIMENSION_IS_RS_TICK = 0x45;
+    //! Spawner::_spawnMobCluster
+    constexpr uint64_t MOB_SPAWN_DATA_GET_RULE = 0xb0;
+
+    constexpr std::pair<uint64_t, uint64_t> LEVEL_FOREACH_PLAYER = {0xB, 0xC};
+
+    //!MobSpawnData::MobSpawnData
+    constexpr uint64_t MOB_SPAWN_DATA_GET_ACTOR_ID = 0x8;
+
+
+};
diff --git a/api/block/Block.cpp b/api/block/Block.cpp
@@ -9,6 +9,7 @@
 #include "block/BlockLegacy.h"
 #include "tools/DirtyLogger.h"
 #include "tools/CastHelper.h"
+#include "Offset.h"
 
 namespace trapdoor {
     using namespace SymHook;
@@ -40,20 +41,15 @@ namespace trapdoor {
 
     //获取特殊值
     int Block::getVariant() {
-        //! from BlockLegacy::getVariant(BlockLegacy *this, char *a2)
-        return *offset_cast<char *>(this, 8);
+
+        return *offset_cast<char *>(this, off::BLOCK_GET_VARIANT);
     }
 
     //获取方块实体的位置
     BlockPos *BlockActor::getPosition() {
-        return offset_cast<BlockPos *>(this, 44);
+        return offset_cast<BlockPos *>(this, off::BLOCKSOURCE_GET_POSITION);
         //return reinterpret_cast<BlockPos *>(reinterpret_cast<VA>(this) + 44);
     }
 
-
-//    //获取方块实体内的方块对象
-//    Block *BlockActor::getBlock() {
-//        return *reinterpret_cast<Block **>(reinterpret_cast<char *>(this) + 2);
-//    }
 }
 
diff --git a/api/block/BlockLegacy.cpp b/api/block/BlockLegacy.cpp
@@ -7,6 +7,7 @@
 #include "lib/mod.h"
 #include "lib/SymHook.h"
 #include "tools/CastHelper.h"
+#include "Offset.h"
 
 namespace trapdoor {
     using namespace SymHook;
@@ -32,8 +33,7 @@ namespace trapdoor {
     }
 
     BlockType BlockLegacy::getBlockID() {
-        return (BlockType) *offset_cast<short *>(this, 268);
-        // return (BlockType) *(short *) ((char *) this + 268);
+        return (BlockType) *offset_cast<short *>(this, off::BLOCKLEGACY_GET_BLOCK_ID);
     }
 }
 
diff --git a/api/block/CircuitComponent.cpp b/api/block/CircuitComponent.cpp
@@ -12,28 +12,25 @@
 #include "tools/MsgBuilder.h"
 #include "CastHelper.h"
 #include "BlockSource.h"
+#include "Offset.h"
 
 namespace trapdoor {
 
     //获取能量等级
     int BaseCircuitComponent::getStrength() {
-        return *offset_cast<int *>(this, 52);
-        //return *((uint32_t *) this + 13);
+        return *offset_cast<int *>(this, off::BASECIRCUITCOMPONENT_GET_STRENGTH);
     }
 
-//    int BaseCircuitComponent::getVar2() {
-//        return *((uint64_t *) this + 2);
-//
-//    }
 
     //打印信号源等信息
     void BaseCircuitComponent::basePrint(CircuitSceneGraph *graph, trapdoor::Actor *player) {
         MessageBuilder builder;
         std::string stringBuilder;
         stringBuilder += trapdoor::format("Signal " C_INT, this->getStrength());
         builder.text("Signal: ").num(this->getStrength());
-        auto begin = (uint32_t *) *((uint64_t *) this + 1);
-        auto end = (uint32_t *) *((uint64_t *) this + 2);
+        //todo rewrite
+        auto begin = (uint32_t *) *((uint64_t *) this + off::BASECIRCUITCOMPONENT_SOURCE_RANGE.first);
+        auto end = (uint32_t *) *((uint64_t *) this + off::BASECIRCUITCOMPONENT_SOURCE_RANGE.second);
         int num = 0;
         std::string particleType = "minecraft:silverfish_grief_emitter";
         trapdoor::Vec3 vec3{};
@@ -54,50 +51,6 @@ namespace trapdoor {
         trapdoor::info(player, stringBuilder);
     }
 
-    //获取火把的燃烧情况
-//    int BaseCircuitComponent::getPowerCount() {
-//        return (int) *((int *) this + 20);
-//    }
-
-//    //是否接受半脉冲
-//    void BaseCircuitComponent::setAcceptHalfPulse() {
-//        *((char *) this + 67) = 1;
-//    }
-
-
-    //是否接受半脉冲
-//    int BaseCircuitComponent::getAcceptHalfPulse() {
-//        return (int) *((char *) this + 67);
-//    }
-
-    //打印中继器相关信息
-//    void BaseCircuitComponent::printRepeater() {
-//        int *ptr = (int *) this;
-////    info("repeater: %d %d %d %d  s: %d", ptr[21], ptr[20], ptr[19], ptr[18], ((char *) this)[96]);
-//    }
-
-    //打印火把相关信息
-//    void BaseCircuitComponent::printTorch(BlockPos pos) {
-//        int selfPowerCount = (int) *((int *) this + 20);
-//        auto strength = (char) *((char *) this + 84);
-//        bool flag;
-////    int signal = SYM_CALL(
-////            int(*)(BaseCircuitComponent * ,const BlockPos *pos,void *circuitSystem,bool *),
-////            MSSYM_B1QE21FindStrongestStrengthB1AE22RedstoneTorchCapacitorB2AAE17AEAAHAEBVBlockPosB2AAE17AEAVCircuitSystemB2AAA3AEAB1UA1NB1AA1Z,
-////            this, &pos,
-////            globalCircuitSystem,
-////            &flag
-////    );
-////    info("torch: bc: %d s: %d hp: %d", selfPowerCount, strength, getHalfPulse());
-//        //   info("%d %d", signal, flag);
-//    }
-
-
-    //是否接受半脉冲
-//    int BaseCircuitComponent::getHalfPulse() {
-//        return (int) *((char *) this + 85);
-//    }
-
 
     //从电路图中获取电路组件
     BaseCircuitComponent *CircuitSceneGraph::getBaseCircuitComponent(BlockPos *pos) {

diff --git a/api/commands/Command.cpp b/api/commands/Command.cpp
@@ -10,6 +10,7 @@
 #include "BDSMod.h"
 #include "tools/DirtyLogger.h"
 #include "CommandNode.h"
+#include "Offset.h"
 
 namespace trapdoor {
 //注册命令
@@ -92,7 +93,7 @@ THook(
     }
 
     //! 这是一处强制转换
-    auto *commandString = reinterpret_cast<std::string *>((char *) commandPacket + 40);
+    auto *commandString = reinterpret_cast<std::string *>((char *) commandPacket + off::COMMAND_PACKET_STR);
     L_DEBUG("player %s execute command %s", source->getNameTag().c_str(), commandString->c_str());
     //截获命令数据包，获取命令字符串，如果是插件自定义的命令就直接处理，屏蔽原版，如果不是自定义命令就转发给原版去处理
     auto &commandManager = trapdoor::bdsMod->getCommandManager();

diff --git a/api/entity/Actor.cpp b/api/entity/Actor.cpp
@@ -3,19 +3,15 @@
 //
 
 #include <bitset>
-#include <map>
-
 #include "Actor.h"
 #include "lib/mod.h"
 #include "tools/MsgBuilder.h"
-#include "tools/Message.h"
-#include "block/Block.h"
 #include "world/Biome.h"
 #include "PlayerInventory.h"
 #include "block/BlockSource.h"
 #include "Dimension.h"
-#include "tools/DirtyLogger.h"
 #include "tools/CastHelper.h"
+#include "Offset.h"
 
 namespace trapdoor {
 
@@ -57,7 +53,7 @@ namespace trapdoor {
     BlockSource *Actor::getBlockSource() {
         //!from Player::tickWorld
         //  return offset_cast<BlockSource *>(this, 100);
-        return *((struct BlockSource **) this + 100);
+        return *((struct BlockSource **) this + off::PLAYER_GET_BLOCKSOURCE);
     }
 
     void Actor::setGameMode(int mode) {
@@ -70,8 +66,7 @@ namespace trapdoor {
 
 
     int Actor::getDimensionID() {
-        return *offset_cast<int *>(this, 204);
-        // return *(reinterpret_cast<int *>(this) + 51);
+        return *offset_cast<int *>(this, off::ACTOR_GET_DIMENSION_ID);
     }
 
     Dimension *Actor::getDimension() {
@@ -89,8 +84,7 @@ namespace trapdoor {
 
     NetworkIdentifier *Actor::getClientID() {
         //! from  ServerPlayer::isHostingPlayer
-        return offset_cast<NetworkIdentifier *>(this, 2432);
-        // return reinterpret_cast<NetworkIdentifier *>((char *) this + 2432);
+        return offset_cast<NetworkIdentifier *>(this, off::ACTOR_GET_CLIENT_ID);
     }
 
     PlayerPermissionLevel Actor::getCommandLevel() {
@@ -150,7 +144,7 @@ namespace trapdoor {
     }
 
     std::string ActorDefinitionIdentifier::getName() {
-        auto str = offset_cast<std::string *>(this, 32);
+        auto str = offset_cast<std::string *>(this, off::ACTOR_ID_GET_NAME);
         return std::string(*str);
     }
 

diff --git a/api/entity/Item.cpp b/api/entity/Item.cpp
@@ -12,7 +12,7 @@
 #include "lib/SymHook.h"
 #include "tools/DirtyLogger.h"
 #include "tools/CastHelper.h"
-
+#include "Offset.h"
 namespace trapdoor {
     using namespace SymHook;
 
@@ -26,8 +26,7 @@ namespace trapdoor {
     }
 
     int ItemStackBase::getNum() {
-        return *offset_cast<char *>(this, 34);
-        //    return (int) *((unsigned char *) this + 34);
+        return *offset_cast<char *>(this, off::ITEM_GET_NUM);
     }
 
     void ItemStackBase::setNull() {

diff --git a/api/entity/PlayerInventory.cpp b/api/entity/PlayerInventory.cpp
@@ -76,9 +76,7 @@ namespace trapdoor {
                             MSSYM_B1QE15getSelectedSlotB1AE15PlayerInventoryB2AAA4QEBAB1QE10AUSlotDataB1AA11B1AA2XZ,
                             this
         );
-        //这个api是有问题的
-        //return 0;
-        return *(int *) (ptr + 4);
+        return 0;
     }
 
     void FillingContainer::clearSlot(int idx) {

diff --git a/api/lib/Offset.h b/api/lib/Offset.h
diff --git a/api/world/Biome.cpp b/api/world/Biome.cpp
@@ -7,13 +7,13 @@
 
 #include "lib/mod.h"
 #include "lib/SymHook.h"
-
+#include "Offset.h"
 
 namespace trapdoor {
     using namespace SymHook;
 
     std::string Biome::getBiomeName() {
-        char *str = reinterpret_cast<char *>(this) + 8;
+        char *str = reinterpret_cast<char *>(this) + off::BIOME_GET_NAME;
         return std::string(str);
     }
 

diff --git a/api/world/Dimension.cpp b/api/world/Dimension.cpp
@@ -5,7 +5,7 @@
 #include "Dimension.h"
 #include <cstdio>
 #include "tools/DirtyLogger.h"
-
+#include "Offset.h"
 namespace trapdoor {
 //打印维度上限，目前没屌用
     void Dimension::printBaseTypeLimit() {
@@ -20,15 +20,13 @@ namespace trapdoor {
 
     CircuitSceneGraph *Dimension::getGraph() {
         //这种代码真的写的人瘆得慌
-        //from Dimension::tickRedstone(Dimension *this)
-        uint64_t *circuitSystem = reinterpret_cast<uint64_t *>(this) + 33;
-        return reinterpret_cast<CircuitSceneGraph *> (*circuitSystem + 8);
+        //!from Dimension::tickRedstone(Dimension *this)
+        uint64_t *circuitSystem = reinterpret_cast<uint64_t *>(this) + off::DIMENSION_GET_CIRCUIT_SYSTEM;
+        return reinterpret_cast<CircuitSceneGraph *> (*circuitSystem + off::CIRCUIT_GET_GRAPH);
     }
 
     bool Dimension::isRedstoneTick() {
         //为1是红石刻2是非红石刻
-        return *((uint32_t *) this + 69) == 1;
-        //  auto v2 = *((uint32_t *) this + 68); //恒定为2,也就是多少gt才过一个红石刻
-        // printf("%d %d\n", v1, v2);
+        return *((uint32_t *) this + off::DIMENSION_IS_RS_TICK) == 1;
     }
 }
diff --git a/api/world/Level.cpp b/api/world/Level.cpp
@@ -10,14 +10,15 @@
 #include "lib/SymHook.h"
 #include "tools/DirtyLogger.h"
 #include "Block.h"
+#include "Offset.h"
 
 namespace trapdoor {
     using namespace SymHook;
 
     void Level::forEachPlayer(const std::function<void(Actor *)> &todo) {
         //!硬编码
-        auto begin = (uint64_t *) *((uint64_t *) this + 11);
-        auto end = (uint64_t *) *((uint64_t *) this + 12);
+        auto begin = (uint64_t *) *((uint64_t *) this + off::LEVEL_FOREACH_PLAYER.first);
+        auto end = (uint64_t *) *((uint64_t *) this + off::LEVEL_FOREACH_PLAYER.second);
         while (begin != end) {
             auto *player = (Actor *) (*begin);
             if (player)todo(player);