minecraft-pi-reborn/mods/src/creative/creative.cpp
2024-01-07 03:23:43 -05:00

165 lines
6.6 KiB
C++

#include <libreborn/libreborn.h>
#include <symbols/minecraft.h>
#include <mods/init/init.h>
#include <mods/feature/feature.h>
#include <mods/misc/misc.h>
#include <mods/creative/creative.h>
#ifndef MCPI_SERVER_MODE
// Add Item To Inventory
static void inventory_add_item(FillingContainer *inventory, Item *item) {
ItemInstance *item_instance = new ItemInstance;
ALLOC_CHECK(item_instance);
item_instance = ItemInstance_constructor_item(item_instance, item);
FillingContainer_addItem(inventory, item_instance);
}
static void inventory_add_item(FillingContainer *inventory, Tile *item) {
ItemInstance *item_instance = new ItemInstance;
ALLOC_CHECK(item_instance);
item_instance = ItemInstance_constructor_tile(item_instance, item);
FillingContainer_addItem(inventory, item_instance);
}
// Expand Creative Inventory
static void Inventory_setupDefault_FillingContainer_addItem_call_injection(FillingContainer *filling_container) {
// Add Items
inventory_add_item(filling_container, Item_flintAndSteel);
inventory_add_item(filling_container, Item_snowball);
inventory_add_item(filling_container, Item_egg);
inventory_add_item(filling_container, Item_shears);
// Dyes
for (int i = 0; i < 16; i++) {
if (i == 15) {
// Bonemeal Is Already In The Creative Inventory
continue;
}
ItemInstance *new_item_instance = new ItemInstance;
ALLOC_CHECK(new_item_instance);
new_item_instance = ItemInstance_constructor_item_extra(new_item_instance, Item_dye_powder, 1, i);
FillingContainer_addItem(filling_container, new_item_instance);
}
inventory_add_item(filling_container, Item_camera);
// Add Tiles
inventory_add_item(filling_container, Tile_water);
inventory_add_item(filling_container, Tile_lava);
inventory_add_item(filling_container, Tile_calmWater);
inventory_add_item(filling_container, Tile_calmLava);
inventory_add_item(filling_container, Tile_glowingObsidian);
inventory_add_item(filling_container, Tile_web);
inventory_add_item(filling_container, Tile_topSnow);
inventory_add_item(filling_container, Tile_ice);
inventory_add_item(filling_container, Tile_invisible_bedrock);
inventory_add_item(filling_container, Tile_bedrock);
inventory_add_item(filling_container, Tile_info_updateGame1);
inventory_add_item(filling_container, Tile_info_updateGame2);
// Nether Reactor
for (int i = 0; i < 3; i++) {
if (i == 0) {
// Default Is Already In The Creative Inventory
continue;
}
ItemInstance *new_item_instance = new ItemInstance;
ALLOC_CHECK(new_item_instance);
new_item_instance = ItemInstance_constructor_tile_extra(new_item_instance, Tile_netherReactor, 1, i);
FillingContainer_addItem(filling_container, new_item_instance);
}
// Tall Grass
for (int i = 0; i < 4; i++) {
if (i == 2) {
// Identical To Previous Auxiliary Value
continue;
}
ItemInstance *new_item_instance = new ItemInstance;
ALLOC_CHECK(new_item_instance);
new_item_instance = ItemInstance_constructor_tile_extra(new_item_instance, Tile_tallgrass, 1, i);
FillingContainer_addItem(filling_container, new_item_instance);
}
// Smooth Stone Slab
{
ItemInstance *new_item_instance = new ItemInstance;
ALLOC_CHECK(new_item_instance);
new_item_instance = ItemInstance_constructor_tile_extra(new_item_instance, Tile_stoneSlab, 1, 6);
FillingContainer_addItem(filling_container, new_item_instance);
}
}
#endif
// Hook Specific TileItem Constructor
static TileItem *Tile_initTiles_TileItem_injection(TileItem *tile_item, int32_t id) {
// Call Original Method
TileItem_constructor(tile_item, id);
// Switch VTable
tile_item->vtable = (TileItem_vtable *) AuxDataTileItem_vtable_base;
// Configure Item
tile_item->is_stacked_by_data = true;
tile_item->max_damage = 0;
((AuxDataTileItem *) tile_item)->icon_tile = Tile_tiles[id + 0x100];
// Return
return tile_item;
}
// Check Restriction Status
static int is_restricted = 1;
int creative_is_restricted() {
return is_restricted;
}
// Init
void init_creative() {
// Add Extra Items To Creative Inventory (Only Replace Specific Function Call)
if (feature_has("Expand Creative Mode Inventory", server_enabled)) {
#ifndef MCPI_SERVER_MODE
misc_run_on_creative_inventory_setup(Inventory_setupDefault_FillingContainer_addItem_call_injection);
#endif
// Use AuxDataTileItem by default instead of TileItem, so tiles in the Creative
// Inventory can have arbitrary auxiliary values.
{
// Fix Size
unsigned char size_patch[4] = {AUX_DATA_TILE_ITEM_SIZE, 0x00, 0xa0, 0xe3}; // "mov r0, #AUX_DATA_TILE_ITEM_SIZE"
patch((void *) 0xc6f64, size_patch);
// Hook Constructor
overwrite_call((void *) 0xc6f74, (void *) Tile_initTiles_TileItem_injection);
}
}
// Remove Creative Mode Restrictions (Opening Chests, Crafting, Etc)
if (feature_has("Remove Creative Mode Restrictions", server_enabled)) {
unsigned char nop_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
// Remove Restrictions
patch((void *) 0x43ee8, nop_patch);
patch((void *) 0x43f3c, nop_patch);
patch((void *) 0x43f8c, nop_patch);
patch((void *) 0x43fd8, nop_patch);
patch((void *) 0x99010, nop_patch);
// Fix UI
patch((void *) 0x341c0, nop_patch);
patch((void *) 0x3adb4, nop_patch);
patch((void *) 0x3b374, nop_patch);
// Fix Inventory
patch((void *) 0x8d080, nop_patch);
patch((void *) 0x8d090, nop_patch);
patch((void *) 0x91d48, nop_patch);
patch((void *) 0x92098, nop_patch);
unsigned char inv_creative_check_r3_patch[4] = {0x03, 0x00, 0x53, 0xe1}; // "cmp r3, r3"
patch((void *) 0x923c0, inv_creative_check_r3_patch);
patch((void *) 0x92828, nop_patch);
patch((void *) 0x92830, nop_patch);
// Display Slot Count
patch((void *) 0x1e3f4, nop_patch);
unsigned char slot_count_patch[4] = {0x18, 0x00, 0x00, 0xea}; // "b 0x27110"
patch((void *) 0x270a8, slot_count_patch);
patch((void *) 0x33954, nop_patch);
// Maximize Creative Inventory Stack Size
unsigned char maximize_stack_patch[4] = {0xff, 0xc0, 0xa0, 0xe3}; // "mov r12, 0xff"
patch((void *) 0x8e104, maximize_stack_patch);
// Allow Nether Reactor
patch((void *) 0xc0290, nop_patch);
// Disable Other Restrictions
is_restricted = 0;
}
}