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Fix crash if server sends multiple LevelInit packets with differing map volumes (Thanks minoclub + venksociety)

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This commit is contained in:
UnknownShadow200 2021-05-26 20:02:36 +10:00
parent cea4e26ad1
commit 8aea1d413c
1 changed files with 4 additions and 1 deletions
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5
src/Protocol.c
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@ -468,7 +468,10 @@ static void Classic_StartLoading(void) {
} }
static void Classic_LevelInit(cc_uint8* data) { static void Classic_LevelInit(cc_uint8* data) {
if (!map_begunLoading) Classic_StartLoading(); /* in case server is buggy and sends LevelInit multiple times */
if (map_begunLoading) return;
Classic_StartLoading();
if (!cpe_fastMap) return; if (!cpe_fastMap) return;
/* Fast map puts volume in header, and uses raw DEFLATE without GZIP header/footer */ /* Fast map puts volume in header, and uses raw DEFLATE without GZIP header/footer */