src/client/blockmesh.c

   1 #include "client/blockmesh.h"
   2 #include "client/client_map.h"
   3 #include "client/client_node.h"
   4 #include "client/cube.h"
   5
   6 static v3s8 fdir[6] = {
   7         {+0, +0, -1},
   8         {+0, +0, +1},
   9         {-1, +0, +0},
  10         {+1, +0, +0},
  11         {+0, -1, +0},
  12         {+0, +1, +0},
  13 };
  14
  15 static void make_vertices(Object *object, MapBlock *block)
  16 {
  17         v3s32 node_bp = {block->pos.x * MAPBLOCK_SIZE, block->pos.y * MAPBLOCK_SIZE, block->pos.z * MAPBLOCK_SIZE};
  18
  19         ITERATE_MAPBLOCK {
  20                 MapNode *node = &block->data[x][y][z];
  21
  22                 if (node_definitions[node->type].visible) {
  23                         v3f32 offset = {x + (f32) MAPBLOCK_SIZE / 2.0f, y + (f32) MAPBLOCK_SIZE / 2.0f, z + (f32) MAPBLOCK_SIZE / 2.0f};
  24
  25                         ClientNodeDefintion *client_def = &client_node_definitions[node->type];
  26                         object_set_texture(object, client_def->texture);
  27
  28                         for (int f = 0; f < 6; f++) {
  29                                 v3s8 npos = {
  30                                         x + fdir[f].x,
  31                                         y + fdir[f].y,
  32                                         z + fdir[f].z,
  33                                 };
  34
  35                                 Node neighbor;
  36
  37                                 if (npos.x >= 0 && npos.x < MAPBLOCK_SIZE && npos.y >= 0 && npos.y < MAPBLOCK_SIZE && npos.z >= 0 && npos.z < MAPBLOCK_SIZE)
  38                                         neighbor = block->data[npos.x][npos.y][npos.z].type;
  39                                 else {
  40                                         MapNode nn = map_get_node(client_map.map, (v3s32) {npos.x + node_bp.x, npos.y + node_bp.y, npos.z + node_bp.z});
  41                                         neighbor = nn.type;
  42                                 }
  43
  44                                 if (neighbor != NODE_UNLOADED && ! node_definitions[neighbor].visible) {
  45                                         for (int v = 0; v < 6; v++) {
  46                                                 Vertex3D vertex = cube_vertices[f][v];
  47                                                 vertex.position.x += offset.x;
  48                                                 vertex.position.y += offset.y;
  49                                                 vertex.position.z += offset.z;
  50
  51                                                 if (client_def->render)
  52                                                         client_def->render((v3s32) {x + node_bp.x, y + node_bp.y, z + node_bp.z}, node, &vertex);
  53
  54                                                 object_add_vertex(object, &vertex);
  55                                         }
  56                                 }
  57                         }
  58                 }
  59         }
  60 }
  61
  62 void blockmesh_make(MapBlock *block)
  63 {
  64         Object *obj = object_create();
  65         obj->pos = (v3f32) {block->pos.x * (f32) MAPBLOCK_SIZE - (f32) MAPBLOCK_SIZE / 2.0f, block->pos.y * (f32) MAPBLOCK_SIZE - (f32) MAPBLOCK_SIZE / 2.0f, block->pos.z * (f32) MAPBLOCK_SIZE - (f32) MAPBLOCK_SIZE / 2.0};
  66
  67         make_vertices(obj, block);
  68
  69         if (! object_add_to_scene(obj)) {
  70                 object_delete(obj);
  71                 obj = NULL;
  72         }
  73
  74         MapBlockExtraData *extra = block->extra;
  75
  76         if (extra->obj)
  77                 extra->obj->remove = true;
  78
  79         extra->obj = obj;
  80 }