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support already-encoded GVM files for Ep3 lobby banners

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This commit is contained in:
Martin Michelsen
2024-01-08 20:58:16 -08:00
parent ad2312efee
commit 9a5d8f9d1a
2 changed files with 35 additions and 15 deletions
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src/ServerState.cc
+28 -9
View File
@@ -754,20 +754,39 @@ void ServerState::load_config() {
if (!this->is_replay) {
this->ep3_lobby_banners.clear();
for (const auto& it : json.get("Episode3LobbyBanners", JSON::list()).as_list()) {
Image img("system/ep3/banners/" + it->at(2).as_string());
string gvm = encode_gvm(img, img.get_has_alpha() ? GVRDataFormat::RGB5A3 : GVRDataFormat::RGB565);
if (gvm.size() > 0x37000) {
throw runtime_error(string_printf("banner %s is too large (0x%zX bytes; maximum size is 0x37000 bytes)", it->at(2).as_string().c_str(), gvm.size()));
string path = "system/ep3/banners/" + it->at(2).as_string();
string compressed_gvm_data;
string decompressed_gvm_data;
if (ends_with(path, ".gvm.prs")) {
compressed_gvm_data = load_file(path);
} else if (ends_with(path, ".gvm")) {
decompressed_gvm_data = load_file(path);
} else if (ends_with(path, ".bmp")) {
Image img(path);
decompressed_gvm_data = encode_gvm(img, img.get_has_alpha() ? GVRDataFormat::RGB5A3 : GVRDataFormat::RGB565);
} else {
throw runtime_error(string_printf("banner %s is in an unknown format", path.c_str()));
}
string compressed = prs_compress_optimal(gvm.data(), gvm.size());
if (compressed.size() > 0x3800) {
throw runtime_error(string_printf("banner %s cannot be compressed small enough (0x%zX bytes; maximum size is 0x3800 bytes compressed)", it->at(2).as_string().c_str(), compressed.size()));
size_t decompressed_size = decompressed_gvm_data.empty()
? prs_decompress_size(compressed_gvm_data)
: decompressed_gvm_data.size();
if (decompressed_size > 0x37000) {
throw runtime_error(string_printf("banner %s is too large (0x%zX bytes; maximum size is 0x37000 bytes)", path.c_str(), decompressed_size));
}
config_log.info("Loaded Episode 3 lobby banner %s (0x%zX -> 0x%zX bytes)", it->at(2).as_string().c_str(), gvm.size(), compressed.size());
if (compressed_gvm_data.empty()) {
compressed_gvm_data = prs_compress_optimal(decompressed_gvm_data);
}
if (compressed_gvm_data.size() > 0x3800) {
throw runtime_error(string_printf("banner %s cannot be compressed small enough (0x%zX bytes; maximum size is 0x3800 bytes compressed)", it->at(2).as_string().c_str(), compressed_gvm_data.size()));
}
config_log.info("Loaded Episode 3 lobby banner %s (0x%zX -> 0x%zX bytes)", path.c_str(), decompressed_size, compressed_gvm_data.size());
this->ep3_lobby_banners.emplace_back(
Ep3LobbyBannerEntry{.type = static_cast<uint32_t>(it->at(0).as_int()),
.which = static_cast<uint32_t>(it->at(1).as_int()),
.data = std::move(compressed)});
.data = std::move(compressed_gvm_data)});
}
}
system/config.example.json
+7 -6
View File
@@ -448,12 +448,13 @@
},
// Episode 3 lobby banners. Currently only images are supported.
// Image files are expected to be in BMP or PPM format, and should be placed
// in the system/ep3/banners directory. Image sizes must be a multiple of 4
// pixels in both dimensions, must be no larger than 0x37000 bytes when
// encoded as a GVM file (newserv will do this encoding internally), and must
// compress to no larger than 0x3800 bytes. newserv will fail on startup if
// any of these constraints aren't satisfied.
// Image files are expected to be in .bmp, .ppm, .gvm, or .gvm.prs format,
// and should be placed in the system/ep3/banners directory. Image sizes must
// be a multiple of 4 pixels in both dimensions, must be no larger than
// 0x37000 bytes when encoded as a GVM file (newserv will do this encoding
// internally if it's not a .gvm or .gvm.prs file), and must compress to no
// larger than 0x3800 bytes. newserv will fail on startup if any of these
// constraints aren't satisfied.
// Banners are specified as lists of [type, where, filename]. type should be
// 1 for image files. where is a bitmask specifying where in the lobby the
// banner should appear; the bits are: