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Fixes crash for bad property of PackedScene

This commit is contained in:
Haoyu Qiu 2020-01-05 11:08:24 +08:00
parent 7f56ef3658
commit 4b660a87d8
1 changed files with 14 additions and 12 deletions
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26
scene/resources/packed_scene.cpp
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@ -1097,6 +1097,14 @@ void SceneState::set_bundled_scene(const Dictionary &p_dictionary) {
ERR_FAIL_COND_MSG(version > PACK_VERSION, "Save format version too new."); ERR_FAIL_COND_MSG(version > PACK_VERSION, "Save format version too new.");
const int node_count = p_dictionary["node_count"];
const PoolVector<int> snodes = p_dictionary["nodes"];
ERR_FAIL_COND(snodes.size() != node_count);
const int conn_count = p_dictionary["conn_count"];
const PoolVector<int> sconns = p_dictionary["conns"];
ERR_FAIL_COND(sconns.size() != conn_count);
PoolVector<String> snames = p_dictionary["names"]; PoolVector<String> snames = p_dictionary["names"];
if (snames.size()) { if (snames.size()) {
@ -1121,13 +1129,11 @@ void SceneState::set_bundled_scene(const Dictionary &p_dictionary) {
variants.clear(); variants.clear();
} }
nodes.resize(p_dictionary["node_count"]); nodes.resize(node_count);
int nc = nodes.size(); if (node_count) {
if (nc) {
PoolVector<int> snodes = p_dictionary["nodes"];
PoolVector<int>::Read r = snodes.read(); PoolVector<int>::Read r = snodes.read();
int idx = 0; int idx = 0;
for (int i = 0; i < nc; i++) { for (int i = 0; i < node_count; i++) {
NodeData &nd = nodes.write[i]; NodeData &nd = nodes.write[i];
nd.parent = r[idx++]; nd.parent = r[idx++];
nd.owner = r[idx++]; nd.owner = r[idx++];
@ -1151,15 +1157,11 @@ void SceneState::set_bundled_scene(const Dictionary &p_dictionary) {
} }
} }
connections.resize(p_dictionary["conn_count"]); connections.resize(conn_count);
int cc = connections.size(); if (conn_count) {
if (cc) {
PoolVector<int> sconns = p_dictionary["conns"];
PoolVector<int>::Read r = sconns.read(); PoolVector<int>::Read r = sconns.read();
int idx = 0; int idx = 0;
for (int i = 0; i < cc; i++) { for (int i = 0; i < conn_count; i++) {
ConnectionData &cd = connections.write[i]; ConnectionData &cd = connections.write[i];
cd.from = r[idx++]; cd.from = r[idx++];
cd.to = r[idx++]; cd.to = r[idx++];