alexander.nutz/barecopper
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implement fall damage

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p2r3
2025-08-21 15:07:49 +03:00
parent 2a0d465ad7
commit 05f17399f5
6 changed files with 67 additions and 18 deletions
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21
src/main.c
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@@ -105,6 +105,8 @@ void handlePacket (int client_fd, int length, int packet_id) {
}
sc_setHeldItem(client_fd, player->hotbar);
sc_setHealth(client_fd, player->health, player->hunger);
sc_playerAbilities(client_fd, 0x01 + 0x04); // invulnerability + flight
sc_updateTime(client_fd, world_time);
@@ -182,11 +184,12 @@ void handlePacket (int client_fd, int length, int packet_id) {
double x, y, z;
float yaw, pitch;
uint8_t on_ground;
// Read player position (and rotation)
if (packet_id == 0x1D) cs_setPlayerPosition(client_fd, &x, &y, &z);
else if (packet_id == 0x1F) cs_setPlayerRotation (client_fd, &yaw, &pitch);
else cs_setPlayerPositionAndRotation(client_fd, &x, &y, &z, &yaw, &pitch);
if (packet_id == 0x1D) cs_setPlayerPosition(client_fd, &x, &y, &z, &on_ground);
else if (packet_id == 0x1F) cs_setPlayerRotation (client_fd, &yaw, &pitch, &on_ground);
else cs_setPlayerPositionAndRotation(client_fd, &x, &y, &z, &yaw, &pitch, &on_ground);
PlayerData *player;
if (getPlayerData(client_fd, &player)) break;
@@ -197,6 +200,18 @@ void handlePacket (int client_fd, int length, int packet_id) {
player->pitch = pitch / 90.0f * 127.0f;
}
// Handle fall damage
if (on_ground) {
int8_t damage = player->grounded_y - player->y - 3;
if (damage > 0 && getBlockAt(player->x, player->y, player->z) != B_water) {
if (damage >= player->health) player->health = 0;
else player->health -= damage;
sc_damageEvent(client_fd, client_fd, D_fall);
sc_setHealth(client_fd, player->health, player->hunger);
}
player->grounded_y = player->y;
}
// Broadcast player position to other players
#ifdef SCALE_MOVEMENT_UPDATES_TO_PLAYER_COUNT
// If applicable, broadcast only every client_count-th movement update