59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* This file is part of the Minecraft Overviewer.
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*
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* Minecraft Overviewer is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Minecraft Overviewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the Overviewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../overviewer.h"
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static int
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nether_hidden(void *data, RenderState *state, int x, int y, int z) {
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/* hide all blocks above all air blocks
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due to how the nether is currently generated, this will also count
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empty sections as 'solid'
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*/
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unsigned char missing_section = 0;
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while (y < (SECTIONS_PER_CHUNK - state->chunky) * 16)
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{
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if (state->chunks[1][1].sections[state->chunky + (y / 16)].blocks == NULL) {
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missing_section = 1;
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y += 16;
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continue;
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} else {
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/* if we passed through a missing section, but now are back in,
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that counts as air */
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if (missing_section)
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return 0;
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missing_section = 0;
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}
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if (!missing_section && get_data(state, BLOCKS, x, y, z) == 0)
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{
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return 0;
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}
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y++;
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}
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return 1;
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}
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RenderPrimitiveInterface primitive_nether = {
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"nether", 0,
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NULL,
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NULL,
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NULL,
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nether_hidden,
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NULL,
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};
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