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Add SetSpawnpoint CPE

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This protocol extension allows the server to set the client's spawnpoint
anywhere in the map without respawning the client.
This commit is contained in:
Goodlyay 2019-11-19 00:47:42 -08:00
parent 51c9191805
commit 259bc1b3bb
2 changed files with 28 additions and 1 deletions
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28
src/Protocol.c
View File

@ -714,12 +714,13 @@ static void Classic_Tick(void) {
/*########################################################################################################################*
*------------------------------------------------------CPE protocol-------------------------------------------------------*
*#########################################################################################################################*/
static const char* cpe_clientExtensions[31] = {
static const char* cpe_clientExtensions[32] = {
"ClickDistance", "CustomBlocks", "HeldBlock", "EmoteFix", "TextHotKey", "ExtPlayerList",
"EnvColors", "SelectionCuboid", "BlockPermissions", "ChangeModel", "EnvMapAppearance",
"EnvWeatherType", "MessageTypes", "HackControl", "PlayerClick", "FullCP437", "LongerMessages",
"BlockDefinitions", "BlockDefinitionsExt", "BulkBlockUpdate", "TextColors", "EnvMapAspect",
"EntityProperty", "ExtEntityPositions", "TwoWayPing", "InventoryOrder", "InstantMOTD", "FastMap", "SetHotbar",
"SetSpawnpoint",
/* NOTE: These must be placed last for when EXTENDED_TEXTURES or EXTENDED_BLOCKS are not defined */
"ExtendedTextures", "ExtendedBlocks"
};
@ -880,6 +881,7 @@ static void CPE_ExtEntry(cc_uint8* data) {
Net_PacketSizes[OPCODE_ENTITY_TELEPORT] += 6;
Net_PacketSizes[OPCODE_ADD_ENTITY] += 6;
Net_PacketSizes[OPCODE_EXT_ADD_ENTITY2] += 6;
Net_PacketSizes[OPCODE_SET_SPAWNPOINT] += 6;
cpe_extEntityPos = true;
} else if (String_CaselessEqualsConst(&ext, "TwoWayPing")) {
cpe_twoWayPing = true;
@ -1293,6 +1295,29 @@ static void CPE_SetHotbar(cc_uint8* data) {
Inventory_Set(index, block);
}
static void CPE_SetSpawnPoint(cc_uint8* data) {
struct LocalPlayer* p = &LocalPlayer_Instance;
int x, y, z;
if (cpe_extEntityPos) {
x = (int)Stream_GetU32_BE(&data[0]);
y = (int)Stream_GetU32_BE(&data[4]);
z = (int)Stream_GetU32_BE(&data[8]);
data += 12;
}
else {
x = (cc_int16)Stream_GetU16_BE(&data[0]);
y = (cc_int16)Stream_GetU16_BE(&data[2]);
z = (cc_int16)Stream_GetU16_BE(&data[4]);
data += 6;
}
p->SpawnRotY = Math_Packed2Deg(*data++);
p->SpawnHeadX = Math_Packed2Deg(*data++);
y -= 51; /* Convert to feet position */
Vec3_Set(p->Spawn, (float)(x / 32.0f), (float)(y / 32.0f), (float)(z / 32.0f));
}
static void CPE_Reset(void) {
cpe_serverExtensionsCount = 0; cpe_pingTicks = 0;
cpe_sendHeldBlock = false; cpe_useMessageTypes = false;
@ -1331,6 +1356,7 @@ static void CPE_Reset(void) {
Net_Set(OPCODE_TWO_WAY_PING, CPE_TwoWayPing, 4);
Net_Set(OPCODE_SET_INVENTORY_ORDER, CPE_SetInventoryOrder, 3);
Net_Set(OPCODE_SET_HOTBAR, CPE_SetHotbar, 3);
Net_Set(OPCODE_SET_SPAWNPOINT, CPE_SetSpawnPoint, 9);
}
static void CPE_Tick(void) {

1
src/Protocol.h
View File

@ -33,6 +33,7 @@ enum OPCODE_ {
OPCODE_ENV_SET_MAP_URL, OPCODE_ENV_SET_MAP_PROPERTY,
OPCODE_SET_ENTITY_PROPERTY, OPCODE_TWO_WAY_PING,
OPCODE_SET_INVENTORY_ORDER, OPCODE_SET_HOTBAR,
OPCODE_SET_SPAWNPOINT,
OPCODE_COUNT
};