95 lines
4.1 KiB
C++
95 lines
4.1 KiB
C++
#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include "../init/init.h"
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#include "../feature/feature.h"
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#include "creative.h"
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// Add Item To Inventory
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static void inventory_add_item(unsigned char *inventory, unsigned char *item, bool is_tile) {
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ItemInstance *item_instance = new ItemInstance;
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ALLOC_CHECK(item_instance);
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item_instance = (*(is_tile ? ItemInstance_constructor_tile : ItemInstance_constructor_item))(item_instance, item);
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(*FillingContainer_addItem)(inventory, item_instance);
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}
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// Expand Creative Inventory
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static int32_t Inventory_setupDefault_FillingContainer_addItem_call_injection(unsigned char *filling_container, ItemInstance *item_instance) {
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// Call Original
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int32_t ret = (*FillingContainer_addItem)(filling_container, item_instance);
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// Add Items
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inventory_add_item(filling_container, *Item_flintAndSteel, false);
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inventory_add_item(filling_container, *Item_snowball, false);
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inventory_add_item(filling_container, *Item_egg, false);
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inventory_add_item(filling_container, *Item_shears, false);
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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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ALLOC_CHECK(new_item_instance);
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new_item_instance = (*ItemInstance_constructor_item_extra)(new_item_instance, *Item_dye_powder, 1, i);
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(*FillingContainer_addItem)(filling_container, new_item_instance);
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}
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inventory_add_item(filling_container, *Item_camera, false);
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// Add Tiles
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inventory_add_item(filling_container, *Tile_water, true);
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inventory_add_item(filling_container, *Tile_lava, true);
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inventory_add_item(filling_container, *Tile_calmWater, true);
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inventory_add_item(filling_container, *Tile_calmLava, true);
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inventory_add_item(filling_container, *Tile_glowingObsidian, true);
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inventory_add_item(filling_container, *Tile_web, true);
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inventory_add_item(filling_container, *Tile_topSnow, true);
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inventory_add_item(filling_container, *Tile_ice, true);
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inventory_add_item(filling_container, *Tile_invisible_bedrock, true);
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inventory_add_item(filling_container, *Tile_bedrock, true);
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inventory_add_item(filling_container, *Tile_info_updateGame1, true);
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inventory_add_item(filling_container, *Tile_info_updateGame2, true);
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return ret;
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}
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// Check Restriction Status
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static int is_restricted = 1;
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int creative_is_restricted() {
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return is_restricted;
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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 Inventory", 0)) {
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overwrite_call((void *) 0x8e0fc, (void *) Inventory_setupDefault_FillingContainer_addItem_call_injection);
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}
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// Remove Creative Restrictions (Opening Chests, Crafting, Etc)
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if (feature_has("Remove Creative Restrictions", 0)) {
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unsigned char nop_patch[4] = {0x00, 0xf0, 0x20, 0xe3}; // "nop"
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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 *) 0x341c0, nop_patch);
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patch((void *) 0x3adb4, nop_patch);
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patch((void *) 0x3b374, nop_patch);
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patch((void *) 0x43ee8, nop_patch);
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patch((void *) 0x43f3c, nop_patch);
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patch((void *) 0x43fd0, nop_patch);
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patch((void *) 0x43fd8, nop_patch);
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patch((void *) 0x8d080, nop_patch);
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patch((void *) 0x8d090, nop_patch);
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patch((void *) 0x91d48, nop_patch);
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patch((void *) 0x92098, nop_patch);
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unsigned char FillingContainer_removeResource_creative_check_patch[4] = {0x03, 0x00, 0x53, 0xe1}; // "cmp r3, r3"
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patch((void *) 0x923c0, FillingContainer_removeResource_creative_check_patch);
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patch((void *) 0x92828, nop_patch);
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// Maximize Creative Inventory Stack Size
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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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// Disable Other Restrictions
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is_restricted = 0;
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}
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}
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