sm64coopdx/src/pc/network/packets/packet_spawn_objects.c
2026-06-23 21:59:33 -05:00

264 lines
9.1 KiB
C

#include <stdio.h>
#include "../network.h"
#include "object_fields.h"
#include "object_constants.h"
#include "game/object_helpers.h"
#include "game/area.h"
#include "behavior_data.h"
#include "behavior_table.h"
#include "pc/lua/smlua.h"
#include "pc/lua/utils/smlua_model_utils.h"
#include "pc/lua/utils/smlua_obj_utils.h"
#include "pc/crash_handler.h"
//#define DISABLE_MODULE_LOG 1
#include "pc/debuglog.h"
#define MAX_SPAWN_OBJECTS_PER_PACKET 8
#pragma pack(1)
struct SpawnObjectData {
u8 ctx;
u32 parentId;
u32 model;
u32 behaviorId;
s16 activeFlags;
s32 rawData[OBJECT_NUM_FIELDS];
u8 setHome;
u8 globalPlayerIndex;
u16 extendedModelId;
u8 extraFieldCount;
};
#pragma pack()
static u32 generate_parent_id(struct Object* objects[], u8 onIndex, bool sanitize) {
struct Object* o = objects[onIndex];
if (!o) { return (u32)-1; }
// special case if the parent is itself
if (o->parentObj == o) { return (u32)-1; }
if (onIndex == 0) {
if (!o->parentObj) {
return (u32)-1;
}
if (sanitize && o->parentObj->oSyncID == 0) {
return (u32)-1;
}
SOFT_ASSERT_RETURN(o->parentObj->oSyncID != 0, (u32)-1);
return (u32)o->parentObj->oSyncID;
}
for (u8 i = onIndex; i != (u8)-1; i--) {
if (o->parentObj == objects[i]) { return i; }
}
SOFT_ASSERT_RETURN(false, (u32)-1);
}
void network_send_spawn_objects(struct Object* objects[], u32 models[], u8 objectCount) {
network_send_spawn_objects_to(PACKET_DESTINATION_BROADCAST, objects, models, objectCount);
}
void network_send_spawn_objects_to(u8 sendToLocalIndex, struct Object* objects[], u32 models[], u8 objectCount) {
if (gNetworkPlayerLocal == NULL || !gNetworkPlayerLocal->currAreaSyncValid) {
LOG_ERROR("failed: area sync invalid");
return;
}
if (objectCount == 0) {
LOG_ERROR("Tried to send 0 objects");
return;
}
SOFT_ASSERT(objectCount < MAX_SPAWN_OBJECTS_PER_PACKET);
// prevent sending spawn objects during credits
if (gCurrActStarNum == 99) {
LOG_ERROR("failed: in credits");
return;
}
struct Packet p = { 0 };
packet_init(&p, PACKET_SPAWN_OBJECTS, true, PLMT_AREA);
// objects
packet_write(&p, &objectCount, sizeof(u8));
for (u8 i = 0; i < objectCount; i++) {
struct Object* o = objects[i];
if (!o || !o->ctx) {
LOG_ERROR("Tried to send null object");
return;
}
u32 model = models[i];
u32 parentId = generate_parent_id(objects, i, true);
u32 behaviorId = get_id_from_behavior(o->behavior);
struct SyncObject* so = sync_object_get(o->oSyncID);
u16 extendedModelId = (so && so->o == o)
? so->extendedModelId
: 0xFFFF;
packet_write(&p, &o->ctx, sizeof(u8));
packet_write(&p, &parentId, sizeof(u32));
packet_write(&p, &model, sizeof(u32));
packet_write(&p, &behaviorId, sizeof(u32));
packet_write(&p, &o->activeFlags, sizeof(s16));
packet_write(&p, o->rawData.asU32, sizeof(u32) * OBJECT_NUM_FIELDS);
packet_write(&p, &o->header.gfx.scale[0], sizeof(f32));
packet_write(&p, &o->header.gfx.scale[1], sizeof(f32));
packet_write(&p, &o->header.gfx.scale[2], sizeof(f32));
packet_write(&p, &o->setHome, sizeof(u8));
packet_write(&p, &o->globalPlayerIndex, sizeof(u8));
packet_write(&p, &extendedModelId, sizeof(u16));
}
if (sendToLocalIndex == PACKET_DESTINATION_BROADCAST) {
network_send(&p);
if (objects[0] && objects[0]->behavior) {
LOG_INFO("tx spawn objects (BROADCAST) | %u", get_id_from_behavior(objects[0]->behavior));
}
} else {
network_send_to(sendToLocalIndex, &p);
if (objects[0] && objects[0]->behavior) {
LOG_INFO("tx spawn objects to %d | %u", gNetworkPlayers[sendToLocalIndex].globalIndex, get_id_from_behavior(objects[0]->behavior));
}
}
}
void network_receive_spawn_objects(struct Packet* p) {
// prevent receiving spawn objects during credits
if (gCurrActStarNum == 99) {
LOG_ERROR("rx failed: in credits");
return;
}
u8 objectCount = 0;
packet_read(p, &objectCount, sizeof(u8));
struct Object* spawned[MAX_SPAWN_OBJECTS_PER_PACKET] = { 0 };
for (u8 i = 0; i < objectCount; i++) {
struct SpawnObjectData data = { 0 };
Vec3f scale = { 0 };
u8 ctx = 0;
packet_read(p, &ctx, sizeof(u8));
packet_read(p, &data.parentId, sizeof(u32));
packet_read(p, &data.model, sizeof(u32));
packet_read(p, &data.behaviorId, sizeof(u32));
packet_read(p, &data.activeFlags, sizeof(s16));
packet_read(p, &data.rawData, sizeof(u32) * OBJECT_NUM_FIELDS);
packet_read(p, &scale[0], sizeof(f32));
packet_read(p, &scale[1], sizeof(f32));
packet_read(p, &scale[2], sizeof(f32));
packet_read(p, &data.setHome, sizeof(u8));
packet_read(p, &data.globalPlayerIndex, sizeof(u8));
packet_read(p, &data.extendedModelId, sizeof(u16));
char* id = "unknown";
char* name = "unknown";
if (gNetworkSystem && p->localIndex) {
id = gNetworkSystem->get_id_str(p->localIndex);
name = gNetworkPlayers[p->localIndex].name;
}
const char *bhvName = get_behavior_name_from_id(data.behaviorId);
// Don't overwrite existing sync objects
{
u32 syncID = data.rawData[0x04]; // o->oSyncID
struct SyncObject *so = sync_object_get(syncID);
if (so && so->o) {
if (so->o->behavior == get_behavior_from_id(data.behaviorId)) {
LOG_ERROR("recieved duplicate sync object with id %d from %s (%s)", syncID, name, id);
} else {
LOG_ERROR("recieved duplicate sync object with id %d with different behavior %s from %s (%s)", syncID, bhvName, name, id);
}
continue;
}
}
LOG_INFO("rx spawn object %s from %s (%s)", bhvName, name, id);
LOG_CONSOLE("rx spawn object %s from %s\\#\\ (%s)", bhvName, name, id);
snprintf(gLastRemoteBhv, 256, "%s %s (%s)", bhvName, name, id);
struct Object* parentObj = NULL;
if (data.parentId == (u32)-1) {
// this object is it's own parent, set it to a known object temporarily
parentObj = gMarioStates[0].marioObj;
} else {
// this object has a known parent
struct SyncObject* parentSo = sync_object_get(data.parentId);
if (i == 0 && !parentSo) {
LOG_ERROR("Invalid spawn object parentId: %u", data.parentId);
return;
}
parentObj = (i == 0)
? parentSo->o
: spawned[data.parentId];
if (parentObj == NULL) {
// failed to find parent, make it it's own parent
// may cause issues, but we want it to spawn!
LOG_ERROR("ERROR: failed to find spawn object's parent (%d)!", data.parentId);
parentObj = gMarioStates[0].marioObj;
data.parentId = (u32)-1;
}
}
if (parentObj == NULL) {
LOG_ERROR("ERROR: failed to attach to mario!");
return;
}
// load extended model
if (data.extendedModelId != 0xFFFF) {
u16 loadedModelId = smlua_model_util_load(data.extendedModelId);
data.model = loadedModelId;
}
void* behavior = (void*)get_behavior_from_id(data.behaviorId);
struct Object* o = NULL;
if (ctx) { o = spawn_object(parentObj, data.model, behavior); }
if (o == NULL) {
LOG_ERROR("ERROR: failed to allocate object!");
return;
}
o->ctx = ctx;
o->globalPlayerIndex = data.globalPlayerIndex;
o->coopFlags |= COOP_OBJ_FLAG_NETWORK;
o->setHome = data.setHome;
memcpy(o->rawData.asU32, data.rawData, sizeof(u32) * OBJECT_NUM_FIELDS);
o->header.gfx.scale[0] = scale[0];
o->header.gfx.scale[1] = scale[1];
o->header.gfx.scale[2] = scale[2];
// correct the temporary parent with the object itself
if (data.parentId == (u32)-1) { o->parentObj = o; }
if (o->oSyncID != 0) {
// check if they've allocated one of their reserved sync objects
struct SyncObject* so = sync_object_get(o->oSyncID);
if (!so) {
sync_object_set_id(o);
so = sync_object_get(o->oSyncID);
}
if (so) {
so->o = o;
so->behavior = behavior;
so->extendedModelId = data.extendedModelId;
so->txEventId = 0;
for (s32 j = 0; j < MAX_PLAYERS; j++) {
so->rxEventId[j] = 0;
}
} else {
LOG_ERROR("Invalid spawn object sync id: %u", o->oSyncID);
return;
}
}
spawned[i] = o;
}
}