180 lines
7.4 KiB
C++
180 lines
7.4 KiB
C++
#include <libreborn/patch.h>
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#include <symbols/minecraft.h>
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#include <mods/init/init.h>
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#include <mods/feature/feature.h>
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#include <mods/misc/misc.h>
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#include <mods/creative/creative.h>
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// Add Item To Inventory
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static void inventory_add_item(FillingContainer *inventory, Item *item) {
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ItemInstance *item_instance = new ItemInstance;
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item_instance = item_instance->constructor_item(item);
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inventory->addItem(item_instance);
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}
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static void inventory_add_item(FillingContainer *inventory, Tile *item) {
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ItemInstance *item_instance = new ItemInstance;
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item_instance = item_instance->constructor_tile(item);
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inventory->addItem(item_instance);
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}
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// Expand Creative Inventory
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static void Inventory_setupDefault_FillingContainer_addItem_call_injection(FillingContainer *filling_container) {
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// Add Items
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inventory_add_item(filling_container, Item::flintAndSteel);
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inventory_add_item(filling_container, Item::snowball);
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inventory_add_item(filling_container, Item::egg);
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inventory_add_item(filling_container, Item::shears);
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// Dyes
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for (int i = 0; i < 16; i++) {
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if (i == 15) {
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// Bonemeal Is Already In The Creative Inventory
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continue;
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}
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ItemInstance *new_item_instance = new ItemInstance;
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new_item_instance = new_item_instance->constructor_item_extra(Item::dye_powder, 1, i);
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filling_container->addItem(new_item_instance);
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}
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inventory_add_item(filling_container, Item::camera);
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// Add Tiles
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inventory_add_item(filling_container, Tile::water);
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inventory_add_item(filling_container, Tile::lava);
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inventory_add_item(filling_container, Tile::calmWater);
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inventory_add_item(filling_container, Tile::calmLava);
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inventory_add_item(filling_container, Tile::glowingObsidian);
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inventory_add_item(filling_container, Tile::web);
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inventory_add_item(filling_container, Tile::topSnow);
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inventory_add_item(filling_container, Tile::ice);
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inventory_add_item(filling_container, Tile::invisible_bedrock);
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inventory_add_item(filling_container, Tile::bedrock);
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inventory_add_item(filling_container, Tile::info_updateGame1);
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inventory_add_item(filling_container, Tile::info_updateGame2);
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// Nether Reactor
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for (int i = 0; i < 3; i++) {
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if (i == 0) {
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// Default Is Already In The Creative Inventory
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continue;
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}
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ItemInstance *new_item_instance = new ItemInstance;
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new_item_instance = new_item_instance->constructor_tile_extra(Tile::netherReactor, 1, i);
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filling_container->addItem(new_item_instance);
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}
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// Tall Grass
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for (int i = 0; i < 4; i++) {
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if (i == 2) {
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// Identical To Previous Auxiliary Value
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continue;
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}
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ItemInstance *new_item_instance = new ItemInstance;
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new_item_instance = new_item_instance->constructor_tile_extra(Tile::tallgrass, 1, i);
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filling_container->addItem(new_item_instance);
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}
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// Smooth Stone Slab
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{
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ItemInstance *new_item_instance = new ItemInstance;
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new_item_instance = new_item_instance->constructor_tile_extra(Tile::stoneSlab, 1, 6);
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filling_container->addItem(new_item_instance);
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}
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}
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// Hook Specific TileItem Constructor
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static TileItem *Tile_initTiles_TileItem_injection(TileItem *tile_item, int32_t id) {
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// Call Original Method
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tile_item->constructor(id);
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// Switch VTable
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tile_item->vtable = (TileItem_vtable *) AuxDataTileItem_vtable::base;
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// Configure Item
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tile_item->is_stacked_by_data = true;
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tile_item->max_damage = 0;
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((AuxDataTileItem *) tile_item)->icon_tile = Tile::tiles[id + 0x100];
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// Return
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return tile_item;
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}
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// Check Restriction Status
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static bool is_restricted = true;
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bool creative_is_restricted() {
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return is_restricted;
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}
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// Allow Creative Players To Drop Items
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static bool Gui_tickItemDrop_Minecraft_isCreativeMode_call_injection(__attribute__((unused)) Minecraft *minecraft) {
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return false;
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}
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// Init
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void init_creative() {
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// Add Extra Items To Creative Inventory (Only Replace Specific Function Call)
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if (feature_has("Expand Creative Mode Inventory", server_enabled)) {
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misc_run_on_creative_inventory_setup(Inventory_setupDefault_FillingContainer_addItem_call_injection);
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// Use AuxDataTileItem by default instead of TileItem, so tiles in the Creative
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// Inventory can have arbitrary auxiliary values.
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{
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// Fix Size
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unsigned char size_patch[4] = {sizeof(AuxDataTileItem), 0x00, 0xa0, 0xe3}; // "mov r0, #AUX_DATA_TILE_ITEM_SIZE"
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patch((void *) 0xc6f64, size_patch);
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// Hook Constructor
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overwrite_call((void *) 0xc6f74, TileItem_constructor, Tile_initTiles_TileItem_injection);
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}
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}
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// Remove Creative Mode Restrictions (Opening Chests, Crafting, Etc)
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unsigned char nop_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
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if (feature_has("Remove Creative Mode Restrictions", server_enabled)) {
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// Remove Restrictions
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patch((void *) 0x43ee8, nop_patch);
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patch((void *) 0x43f3c, nop_patch);
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patch((void *) 0x43f8c, nop_patch);
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patch((void *) 0x43fd8, nop_patch);
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patch((void *) 0x99010, nop_patch);
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// Allow Nether Reactor
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patch((void *) 0xc0290, nop_patch);
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// Item Dropping
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void *addr = (void *) 0x27800;
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const void *func = extract_from_bl_instruction((unsigned char *) addr);
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if (func == Minecraft_isCreativeMode->backup) {
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overwrite_call(addr, Minecraft_isCreativeMode, Gui_tickItemDrop_Minecraft_isCreativeMode_call_injection);
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} else {
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// Handled By input/misc.cpp
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}
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// Disable Other Restrictions
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is_restricted = false;
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}
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// Inventory Behavior
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if (feature_has("Force Survival Mode Inventory Behavior", server_enabled)) {
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patch((void *) 0x8d080, nop_patch); // Inventory::add
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patch((void *) 0x92828, nop_patch); // FillingContainer::add
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patch((void *) 0x91d48, nop_patch); // FillingContainer::hasResource
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patch((void *) 0x92098, nop_patch); // FillingContainer::removeResource(int)
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unsigned char inv_creative_check_r3_patch[4] = {0x03, 0x00, 0x53, 0xe1}; // "cmp r3, r3"
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patch((void *) 0x923c0, inv_creative_check_r3_patch); // FillingContainer::removeResource(ItemInstance const&, bool)
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}
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// "Craft" And "Armor" Buttons
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if (feature_has("Force Survival Mode Inventory UI", server_enabled)) {
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patch((void *) 0x341c0, nop_patch); // Add "Armor" Button To Classic Inventory
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unsigned char inv_creative_check_r5_patch[4] = {0x05, 0x00, 0x55, 0xe1}; // "cmp r5, r5"
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patch((void *) 0x3adb0, inv_creative_check_r5_patch); // Reposition "Select blocks" In Touch Inventory
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patch((void *) 0x3b374, nop_patch); // Add "Armor" And "Craft" Buttons To Touch Inventory
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}
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// Display Slot Count
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if (feature_has("Display Slot Count In Creative Mode", server_enabled)) {
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patch((void *) 0x1e3f4, nop_patch);
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unsigned char slot_count_patch[4] = {0x18, 0x00, 0x00, 0xea}; // "b 0x27110"
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patch((void *) 0x270a8, slot_count_patch);
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patch((void *) 0x33954, nop_patch);
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}
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// Maximize Creative Inventory Stack Size
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if (feature_has("Maximize Creative Mode Inventory Stack Size", server_enabled)) {
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unsigned char maximize_stack_patch[4] = {0xff, 0xc0, 0xa0, 0xe3}; // "mov r12, 0xff"
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patch((void *) 0x8e104, maximize_stack_patch);
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}
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}
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