src/client/client_node.c

   1 #include "client/client.h"
   2 #include "client/client_node.h"
   3 #include "environment.h"
   4 #include "node.h"
   5 #include "perlin.h"
   6 #include "util.h"
   7 #define TILES_SIMPLE(path) {.paths = {path, NULL, NULL, NULL, NULL, NULL}, .indices = {0, 0, 0, 0, 0, 0}, .textures = {NULL}}
   8 #define TILES_NONE {.paths = {NULL}, .indices = {0}, .textures = {NULL}}
   9
  10 static void render_grass(v3s32 pos, unused MapNode *node, Vertex3D *vertex, unused int f, unused int v)
  11 {
  12         f32 hum_min, hum_max, temp_max;
  13         hum_min = 0.13f;
  14         hum_max = 0.33f;
  15         temp_max = 0.45f;
  16
  17         f32 temp_f = clamp(0.3f - get_temperature(pos), 0.0f, 0.3f) / 0.3f;
  18
  19         vertex->color.h = (get_humidity(pos) * (hum_max - hum_min) + hum_min) * (1.0f - temp_f) + temp_max * temp_f;
  20         vertex->color.s = 1.0f;
  21         vertex->color.v = 1.0f;
  22 }
  23
  24 static void render_stone(v3s32 pos, unused MapNode *node, Vertex3D *vertex, unused int f, unused int v)
  25 {
  26         vertex->textureCoordinates.s += noise2d(pos.x, pos.z, 0, seed + SO_TEXTURE_OFFSET_S);
  27         vertex->textureCoordinates.t += noise2d(pos.x, pos.z, 0, seed + SO_TEXTURE_OFFSET_T);
  28 }
  29
  30 static void render_wood(unused v3s32 pos, unused MapNode *node, Vertex3D *vertex, int f, unused int v)
  31 {
  32         vertex->color.h = f < 4 ? 0.1f : 0.11f;
  33         vertex->color.s = 1.0f;
  34         vertex->color.v = 1.0f;
  35 }
  36
  37 ClientNodeDefintion client_node_definitions[NODE_UNLOADED] = {
  38         // unknown
  39         {
  40                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/unknown.png"),
  41                 .visibility = NV_SOLID,
  42                 .render = NULL,
  43         },
  44         // air
  45         {
  46                 .tiles = TILES_NONE,
  47                 .visibility = NV_NONE,
  48                 .render = NULL,
  49         },
  50         // grass
  51         {
  52                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/grass.png"),
  53                 .visibility = NV_SOLID,
  54                 .render = &render_grass,
  55         },
  56         // dirt
  57         {
  58                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/dirt.png"),
  59                 .visibility = NV_SOLID,
  60                 .render = NULL,
  61         },
  62         // stone
  63         {
  64                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/stone.png"),
  65                 .visibility = NV_SOLID,
  66                 .render = &render_stone,
  67         },
  68         // snow
  69         {
  70                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/snow.png"),
  71                 .visibility = NV_SOLID,
  72                 .render = NULL,
  73         },
  74         // wood
  75         {
  76                 .tiles = {
  77                         .paths = {RESSOURCEPATH "textures/wood.png", RESSOURCEPATH "textures/wood_top.png", NULL, NULL, NULL, NULL},
  78                         .indices = {0, 0, 0, 0, 1, 1},
  79                         .textures = {NULL},
  80                 },
  81                 .visibility = NV_SOLID,
  82                 .render = &render_wood,
  83         },
  84         // sand
  85         {
  86                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/sand.png"),
  87                 .visibility = NV_SOLID,
  88                 .render = NULL,
  89         },
  90         // water
  91         {
  92                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/water.png"),
  93                 .visibility = NV_TRANSPARENT,
  94                 .render = NULL,
  95         },
  96         // lava
  97         {
  98                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/lava.png"),
  99                 .visibility = NV_TRANSPARENT,
 100                 .render = NULL,
 101         },
 102         // vulcano_stone
 103         {
 104                 .tiles = TILES_SIMPLE(RESSOURCEPATH "textures/vulcano_stone.png"),
 105                 .visibility = NV_SOLID,
 106                 .render = NULL,
 107         },
 108 };
 109
 110 void client_node_init()
 111 {
 112         for (Node node = NODE_UNKNOWN; node < NODE_UNLOADED; node++) {
 113                 ClientNodeDefintion *def = &client_node_definitions[node];
 114
 115                 if (client_node_definitions[node].visibility != NV_NONE) {
 116                         Texture *textures[6];
 117
 118                         for (int i = 0; i < 6; i++) {
 119                                 char *path = def->tiles.paths[i];
 120
 121                                 if (path)
 122                                         textures[i] = texture_get(path);
 123                                 else
 124                                         break;
 125                         }
 126
 127                         for (int i = 0; i < 6; i++)
 128                                 def->tiles.textures[i] = textures[def->tiles.indices[i]];
 129                 }
 130         }
 131 }