VoxelEngine/src/frontend/ContentGfxCache.cpp
2025-07-24 22:51:53 +03:00

104 lines
3.2 KiB
C++

#include "ContentGfxCache.hpp"
#include <string>
#include "UiDocument.hpp"
#include "assets/Assets.hpp"
#include "content/Content.hpp"
#include "content/ContentPack.hpp"
#include "graphics/core/Atlas.hpp"
#include "maths/UVRegion.hpp"
#include "voxels/Block.hpp"
#include "debug/Logger.hpp"
#include "core_defs.hpp"
#include "settings.hpp"
static debug::Logger logger("content-gfx-cache");
ContentGfxCache::ContentGfxCache(
const Content& content,
const Assets& assets,
const GraphicsSettings& settings
)
: content(content), assets(assets), settings(settings) {
refresh();
}
void ContentGfxCache::refreshVariant(
const Block& def,
const Variant& variant,
uint8_t variantIndex,
const Atlas& atlas
) {
bool denseRender = settings.denseRender.get();
for (uint side = 0; side < 6; side++) {
std::string tex = variant.textureFaces[side];
std::string texOpaque = tex + "_opaque";
if (!atlas.has(tex)) {
tex = TEXTURE_NOTFOUND;
}
if (!atlas.has(texOpaque)) {
texOpaque = tex;
} else if (variant.culling == CullingMode::OPTIONAL && !denseRender) {
tex = texOpaque;
}
size_t index = getRegionIndex(def.rt.id, variantIndex, side, false);
sideregions[index] = atlas.get(tex);
sideregions[index + 1] = atlas.get(texOpaque);
}
if (variant.model.type == BlockModelType::CUSTOM) {
auto model = assets.require<model::Model>(variant.model.name);
for (auto& mesh : model.meshes) {
size_t pos = mesh.texture.find(':');
if (pos == std::string::npos) {
continue;
}
if (auto region = atlas.getIf(mesh.texture.substr(pos+1))) {
for (auto& vertex : mesh.vertices) {
vertex.uv = region->apply(vertex.uv);
}
}
}
models[def.rt.id] = std::move(model);
}
}
void ContentGfxCache::refresh(const Block& def, const Atlas& atlas) {
refreshVariant(def, def.defaults, 0, atlas);
if (def.variants) {
const auto& variants = def.variants->variants;
for (int i = 1; i < variants.size() - 1; i++) {
refreshVariant(def, variants[i], i, atlas);
}
def.variants->variants.at(0) = def.defaults;
}
}
void ContentGfxCache::refresh() {
auto indices = content.getIndices();
size_t size = indices->blocks.count() * GFXC_SIDES * GFXC_MAX_VARIANTS * 2;
logger.info() << "uv cache size is " << (sizeof(UVRegion) * size) << " B";
sideregions = std::make_unique<UVRegion[]>(size);
const auto& atlas = assets.require<Atlas>("blocks");
const auto& blocks = indices->blocks.getIterable();
for (blockid_t i = 0; i < blocks.size(); i++) {
refresh(*blocks[i], atlas);
}
}
ContentGfxCache::~ContentGfxCache() = default;
const model::Model& ContentGfxCache::getModel(blockid_t id) const {
const auto& found = models.find(id);
if (found == models.end()) {
throw std::runtime_error("model not found");
}
return found->second;
}