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fix mobs spawning in water

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* Fixed underwater under lava mob spawn issue #17

* made comment changes

* minor fix

* method name change

* method change

* fixed
This commit is contained in:
anmol-patankar
2025-09-12 22:23:08 +05:30
committed by GitHub
parent dabb202c13
commit ba03d92ad0
3 changed files with 13 additions and 3 deletions
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1
include/procedures.h
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@@ -28,6 +28,7 @@ uint8_t makeBlockChange (short x, uint8_t y, short z, uint8_t block);
uint8_t isInstantlyMined (PlayerData *player, uint8_t block); uint8_t isInstantlyMined (PlayerData *player, uint8_t block);
uint8_t isColumnBlock (uint8_t block); uint8_t isColumnBlock (uint8_t block);
uint8_t isPassableBlock (uint8_t block); uint8_t isPassableBlock (uint8_t block);
uint8_t isPassableSpawnBlock (uint8_t block);
uint8_t isReplaceableBlock (uint8_t block); uint8_t isReplaceableBlock (uint8_t block);
uint32_t isCompostItem (uint16_t item); uint32_t isCompostItem (uint16_t item);
uint8_t getItemStackSize (uint16_t item); uint8_t getItemStackSize (uint16_t item);

6
src/main.c
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@@ -355,10 +355,10 @@ void handlePacket (int client_fd, int length, int packet_id, int state) {
uint8_t b_mid = getBlockAt(mob_x, mob_y, mob_z); uint8_t b_mid = getBlockAt(mob_x, mob_y, mob_z);
uint8_t b_top = getBlockAt(mob_x, mob_y + 1, mob_z); uint8_t b_top = getBlockAt(mob_x, mob_y + 1, mob_z);
while (mob_y < 255) { while (mob_y < 255) {
if ( // Solid block below, non-solid at feet and above if ( // Solid block below, non-solid(spawnable) at feet and above
!isPassableBlock(b_low) && !isPassableBlock(b_low) &&
isPassableBlock(b_mid) && isPassableSpawnBlock(b_mid) &&
isPassableBlock(b_top) isPassableSpawnBlock(b_top)
) break; ) break;
b_low = b_mid; b_low = b_mid;
b_mid = b_top; b_mid = b_top;

9
src/procedures.c
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@@ -637,6 +637,15 @@ uint8_t isPassableBlock (uint8_t block) {
block == B_torch block == B_torch
); );
} }
// Checks whether the given block is non-solid and spawnable
uint8_t isPassableSpawnBlock (uint8_t block) {
if ((block >= B_water && block < B_water + 8) ||
(block >= B_lava && block < B_lava + 4))
{
return 0;
}
return isPassableBlock(block);
}
// Checks whether the given block can be replaced by another block // Checks whether the given block can be replaced by another block
uint8_t isReplaceableBlock (uint8_t block) { uint8_t isReplaceableBlock (uint8_t block) {