diff options
Diffstat (limited to 'src/map.c')
| -rw-r--r-- | src/map.c | 22 |
1 files changed, 17 insertions, 5 deletions
@@ -144,11 +144,23 @@ void load_mapdata_into_world() { } // Load lightmap - for (int y = 0; y < MAP_SIZE_Y; y++) { - for (int x = 0; x < MAP_SIZE_X; x++) { - for (int l = 0; l < MAX_LIGHT_EMITTERS; l++) { - light_emitter emitter = loaded_map.light_emitters[l]; - if (!emitter.active) continue; + for (int l = 0; l < MAX_LIGHT_EMITTERS; l++) { + light_emitter emitter = loaded_map.light_emitters[l]; + if (!emitter.active) continue; + + int ystart = emitter.position.y - emitter.range-2; + int xstart = emitter.position.x - emitter.range-2; + int yend = ystart + emitter.range*2 + 4; + int xend = xstart + emitter.range*2 + 4; + + if (ystart >= MAP_SIZE_Y) ystart = MAP_SIZE_Y-1; + if (xstart >= MAP_SIZE_X) xstart = MAP_SIZE_X-1; + if (yend >= MAP_SIZE_Y) yend = MAP_SIZE_Y-1; + if (xend >= MAP_SIZE_X) xend = MAP_SIZE_X-1; + + for (int y = ystart; y <= yend; y++) { + for (int x = xstart; x <= xend; x++) { + float dist_tl = distance_between_3f(emitter.position, (vec3f){x, y, loaded_map.heightmap[y][x].topleft}); float dist_tr = distance_between_3f(emitter.position, (vec3f){x, y, loaded_map.heightmap[y][x].topright}); float dist_bl = distance_between_3f(emitter.position, (vec3f){x, y, loaded_map.heightmap[y][x].bottomleft}); |