87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
#include <libreborn/libreborn.h>
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#include <symbols/minecraft.h>
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#include "input-internal.h"
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#include <mods/input/input.h>
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#include <mods/feature/feature.h>
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#include <mods/creative/creative.h>
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#include <mods/misc/misc.h>
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// Enable Item Dropping
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static int enable_drop = 0;
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// Store Drop Item Presses
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static int drop_item_presses = 0;
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static bool drop_slot_pressed = false;
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void input_drop(int drop_slot) {
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if (enable_drop) {
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if (drop_slot) {
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drop_slot_pressed = true;
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} else {
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drop_item_presses++;
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}
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}
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}
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// Handle Drop Item Presses
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static void _handle_drop(unsigned char *minecraft) {
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if (((*(unsigned char **) (minecraft + Minecraft_screen_property_offset)) == NULL) && (!creative_is_restricted() || !(*Minecraft_isCreativeMode)(minecraft)) && (drop_item_presses > 0 || drop_slot_pressed)) {
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// Get Player
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unsigned char *player = *(unsigned char **) (minecraft + Minecraft_player_property_offset);
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if (player != NULL) {
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// Get Selected Slot
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int32_t selected_slot = misc_get_real_selected_slot(player);
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unsigned char *inventory = *(unsigned char **) (player + Player_inventory_property_offset);
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// Prepare
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unsigned char *player_vtable = *(unsigned char **) player;
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Player_drop_t Player_drop = *(Player_drop_t *) (player_vtable + Player_drop_vtable_offset);
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unsigned char *inventory_vtable = *(unsigned char **) inventory;
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FillingContainer_getItem_t FillingContainer_getItem = *(FillingContainer_getItem_t *) (inventory_vtable + FillingContainer_getItem_vtable_offset);
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// Get Item
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ItemInstance *inventory_item = (*FillingContainer_getItem)(inventory, selected_slot);
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// Check
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if (inventory_item != NULL && inventory_item->count > 0) {
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// Copy
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ItemInstance *dropped_item = new ItemInstance;
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ALLOC_CHECK(dropped_item);
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*dropped_item = *inventory_item;
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// Update Inventory
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if (drop_slot_pressed) {
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// Drop Slot
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// Empty Slot
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inventory_item->count = 0;
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} else {
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// Drop Item
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// Set Item Drop Count
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int drop_count = drop_item_presses < inventory_item->count ? drop_item_presses : inventory_item->count;
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dropped_item->count = drop_count;
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inventory_item->count -= drop_count;
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}
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// Empty Slot If Needed
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if (inventory_item->count < 1) {
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(*FillingContainer_release)(inventory, selected_slot);
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(*FillingContainer_compressLinkedSlotList)(inventory, selected_slot);
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}
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// Drop
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(*Player_drop)(player, dropped_item, false);
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}
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}
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}
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// Reset
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drop_item_presses = 0;
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drop_slot_pressed = false;
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}
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// Init
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void _init_drop() {
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enable_drop = feature_has("Bind \"Q\" Key To Item Dropping", server_disabled);
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input_run_on_tick(_handle_drop);
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}
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