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implement crafting tables (crudely)

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p2r3
2025-08-12 18:22:37 +03:00
parent 1fc0f75ed7
commit de2228390e
4 changed files with 55 additions and 19 deletions
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35
src/packets.c
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@@ -315,18 +315,18 @@ int sc_keepAlive (int client_fd) {
}
// S->C Set Container Slot
int sc_setContainerSlot (int client_fd, int container, uint16_t slot, uint8_t count, uint16_t item) {
int sc_setContainerSlot (int client_fd, int window_id, uint16_t slot, uint8_t count, uint16_t item) {
writeVarInt(client_fd,
1 +
sizeVarInt(container) +
sizeVarInt(window_id) +
1 + 2 +
sizeVarInt(count) +
(count > 0 ? sizeVarInt(item) + 2 : 0)
);
writeByte(client_fd, 0x14);
writeVarInt(client_fd, container);
writeVarInt(client_fd, window_id);
writeVarInt(client_fd, 0);
writeUint16(client_fd, slot);
@@ -381,12 +381,27 @@ int cs_playerAction (int client_fd) {
}
// S->C Open Screen
int sc_openScreen (int client_fd, uint8_t window, const char *title, uint16_t length) {
writeVarInt(client_fd, 1 + 2 * sizeVarInt(window) + 1 + 2 + length);
writeByte(client_fd, 0x34);
writeVarInt(client_fd, window);
writeVarInt(client_fd, window);
writeByte(client_fd, 8); // string nbt tag
writeUint16(client_fd, length); // string length
send(client_fd, title, length, 0);
}
// C->S Use Item On
int cs_useItemOn (int client_fd) {
uint8_t hand = readByte(client_fd);
uint64_t pos = readUint64(client_fd);
int64_t pos = readInt64(client_fd);
int x = pos >> 38;
int y = pos << 52 >> 52;
int z = pos << 26 >> 38;
@@ -404,10 +419,17 @@ int cs_useItemOn (int client_fd) {
int sequence = readVarInt(client_fd);
uint8_t target = getBlockAt(x, y, z);
if (target == B_crafting_table) {
sc_openScreen(client_fd, 12, "Crafting", 8);
return 0;
}
PlayerData *player;
if (getPlayerData(client_fd, &player)) return 1;
uint8_t block = I_to_B[player->inventory_items[player->hotbar]];
uint16_t item = player->inventory_items[player->hotbar];
uint8_t block = item == 320 ? B_crafting_table : I_to_B[item]; // hack!!
// if the selected item doesn't correspond to a block, exit
if (block == 0) return 0;
@@ -454,7 +476,8 @@ int cs_clickContainer (int client_fd) {
for (int i = 0; i < changes_count; i ++) {
slot = clientSlotToServerSlot(readUint16(client_fd));
slot = clientSlotToServerSlot(window_id, readUint16(client_fd));
// slots outside of the inventory overflow into the crafting buffer
if (slot > 40) craft = true;
if (!readByte(client_fd)) { // no item?