src/server/server_item.c

   1 #include <assert.h>
   2 #include "node.h"
   3 #include "server/server_item.h"
   4 #include "server/server_node.h"
   5 #include "server/server_terrain.h"
   6 #include "server/tree_physics.h"
   7
   8 static void use_dig(__attribute__((unused)) ServerPlayer *player, ItemStack *stack, bool pointed, v3s32 pos)
   9 {
  10         if (!pointed)
  11                 return;
  12
  13         v3s32 offset;
  14         TerrainChunk *chunk = terrain_get_chunk_nodep(server_terrain, pos, &offset, CHUNK_MODE_PASSIVE);
  15         if (!chunk)
  16                 return;
  17         TerrainChunkMeta *meta = chunk->extra;
  18         assert(pthread_rwlock_wrlock(&chunk->lock) == 0);
  19
  20         TerrainNode *node = &chunk->data[offset.x][offset.y][offset.z];
  21
  22         if (!(node_def[node->type].dig_class & item_def[stack->type].dig_class)) {
  23                 pthread_rwlock_unlock(&chunk->lock);
  24                 return;
  25         }
  26
  27         *node = server_node_create(NODE_AIR);
  28         meta->tgsb.raw.nodes[offset.x][offset.y][offset.z] = STAGE_PLAYER;
  29
  30         pthread_rwlock_unlock(&chunk->lock);
  31
  32         server_terrain_lock_and_send_chunk(chunk);
  33
  34         // destroy trees if they have no connection to ground
  35         // todo: run in seperate thread to not block client connection
  36         tree_physics_check(pos);
  37 }
  38
  39 ServerItemDef server_item_def[COUNT_ITEM] = {
  40         // unknown
  41         {
  42                 .use = NULL,
  43         },
  44         // none
  45         {
  46                 .use = NULL,
  47         },
  48         // pickaxe
  49         {
  50                 .use = &use_dig,
  51         },
  52         // axe
  53         {
  54                 .use = &use_dig,
  55         },
  56         // shovel
  57         {
  58                 .use = &use_dig,
  59         },
  60 };