void World_SetBlock(int x, int y, int z, BlockID block) {
int i = World_Pack(x, y, z);
World.Blocks[i] = (BlockRaw)block;
/* defer allocation of second map array if possible */
if (World.Blocks == World.Blocks2) {
if (block < 256) return;
World_SetMapUpper(Mem_AllocCleared(World.Volume, 1, "blocks array upper"));
}
World.Blocks2[i] = (BlockRaw)(block >> 8);
}
static void Builder_ReadChunkData(Int32 x1, Int32 y1, Int32 z1, bool* outAllAir, bool* outAllSolid) {
bool allAir = true, allSolid = true;
Int32 xx, yy, zz;
for (yy = -1; yy < 17; ++yy) {
Int32 y = yy + y1;
if (y < 0) continue;
if (y >= World_Height) break;
for (zz = -1; zz < 17; ++zz) {
Int32 z = zz + z1;
if (z < 0) continue;
if (z >= World_Length) break;
/* need to subtract 1 as index is pre incremented in for loop. */
Int32 index = World_Pack(x1 - 1, y, z) - 1;
Int32 chunkIndex = (yy + 1) * EXTCHUNK_SIZE_2 + (zz + 1) * EXTCHUNK_SIZE + (-1 + 1) - 1;
for (xx = -1; xx < 17; ++xx) {
Int32 x = xx + x1;
++index;
++chunkIndex;
if (x < 0) continue;
if (x >= World_Width) break;
BlockID rawBlock = World_Blocks[index];
allAir = allAir && Block_Draw[rawBlock] == DRAW_GAS;
allSolid = allSolid && Block_FullOpaque[rawBlock];
Builder_Chunk[chunkIndex] = rawBlock;
}
}
}
*outAllAir = allAir;
*outAllSolid = allSolid;
}
void World_SetBlock(int x, int y, int z, BlockID block) {
World.Blocks[World_Pack(x, y, z)] = block;
}
