float2 localfingerpos(int i) { return localpos(GetFinger(i, false)); }
void TopdownTileRenderer::renderChunk(const mc::Chunk& chunk, RGBAImage& tile, int dx, int dy) {
// TODO implement preblit water render behavior
int texture_size = images->getTextureSize();
for (int x = 0; x < 16; x++) {
for (int z = 0; z < 16; z++) {
std::deque<RenderBlock> blocks;
// TODO make this water thing a bit nicer
bool in_water = false;
int water = 0;
mc::LocalBlockPos localpos(x, z, 0);
//int height = chunk.getHeightAt(localpos);
//localpos.y = height;
localpos.y = -1;
if (localpos.y >= mc::CHUNK_HEIGHT*16 || localpos.y < 0)
localpos.y = mc::CHUNK_HEIGHT*16 - 1;
uint16_t id = chunk.getBlockID(localpos);
while (id == 0 && localpos.y > 0) {
localpos.y--;
id = chunk.getBlockID(localpos);
}
if (localpos.y < 0)
continue;
while (localpos.y >= 0) {
mc::BlockPos globalpos = localpos.toGlobalPos(chunk.getPos());
id = chunk.getBlockID(localpos);
if (id == 0) {
in_water = false;
localpos.y--;
continue;
}
uint16_t data = chunk.getBlockData(localpos);
bool is_water = (id == 8 || id == 9) && data == 0;
if (render_mode->isHidden(globalpos, id, data)) {
localpos.y--;
continue;
}
if (is_water && !use_preblit_water) {
if (is_water == in_water) {
localpos.y--;
continue;
}
in_water = is_water;
} else if (use_preblit_water) {
if (!is_water)
water = 0;
else {
water++;
if (water > images->getMaxWaterPreblit()) {
auto it = blocks.begin();
while (it != blocks.end()) {
auto current = it++;
if (it == blocks.end() || (it->id != 8 && it->id != 9)) {
RenderBlock& top = *current;
// blocks.erase(current);
top.id = 8;
top.data = OPAQUE_WATER;
top.block = images->getBlock(top.id, top.data);
render_mode->draw(top.block, top.pos, top.id, top.data);
// blocks.insert(current, top);
break;
} else {
blocks.erase(current);
}
}
break;
}
}
}
data = checkNeighbors(globalpos, id, data);
RGBAImage block = images->getBlock(id, data);
if (Biome::isBiomeBlock(id, data)) {
block = images->getBiomeBlock(id, data, getBiomeOfBlock(globalpos, &chunk));
}
render_mode->draw(block, globalpos, id, data);
RenderBlock render_block;
render_block.block = block;
render_block.id = id;
render_block.data = data;
render_block.pos = globalpos;
blocks.push_back(render_block);
if (!images->isBlockTransparent(id, data))
break;
localpos.y--;
}
while (blocks.size() > 0) {
RenderBlock render_block = blocks.back();
tile.alphaBlit(render_block.block, dx + x*texture_size, dy + z*texture_size);
blocks.pop_back();
}
}
}
}
STARTDECL(gl_locallastpos) (Value &name, Value &on) // need a local version of this too?
{
auto p = localpos(GetKeyPos(name.sval->str(), on.ival));
name.DEC();
return ToValue(p);
}
