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authorDan Goodliffe <dan@randomdan.homeip.net>2023-03-05 01:59:16 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2023-03-05 01:59:16 +0000
commitd4c073a18adaed73973f34c6c39fc15664d9211d (patch)
tree44536af3af0284ab75eae79ef81a5e4452019269 /assetFactory/assetFactory.cpp
parentAdd helper operator to perform vec3*mat4 and perspective divide (diff)
parentRemove old hard coded asset factory test, run entirely from XML load and rend... (diff)
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Merge branch 'model-factory'
Diffstat (limited to 'assetFactory/assetFactory.cpp')
-rw-r--r--assetFactory/assetFactory.cpp85
1 files changed, 85 insertions, 0 deletions
diff --git a/assetFactory/assetFactory.cpp b/assetFactory/assetFactory.cpp
new file mode 100644
index 0000000..f5fc2b3
--- /dev/null
+++ b/assetFactory/assetFactory.cpp
@@ -0,0 +1,85 @@
+#include "assetFactory.h"
+#include "collections.hpp"
+#include "cuboid.h"
+#include "cylinder.h"
+#include "modelFactoryMesh_fwd.h"
+#include "object.h"
+#include "plane.h"
+#include "saxParse-persistence.h"
+#include <filesystem.h>
+
+AssetFactory::AssetFactory() :
+ shapes {
+ {"plane", std::make_shared<Plane>()},
+ {"cuboid", std::make_shared<Cuboid>()},
+ {"cylinder", std::make_shared<Cylinder>()},
+ },
+ colours {parseX11RGB("/usr/share/X11/rgb.txt")}
+{
+}
+
+std::shared_ptr<AssetFactory>
+AssetFactory::loadXML(const std::filesystem::path & filename)
+{
+ filesystem::FileStar file {filename.c_str(), "r"};
+ return Persistence::SAXParsePersistence {}.loadState<std::shared_ptr<AssetFactory>>(file);
+}
+
+AssetFactory::Colours
+AssetFactory::parseX11RGB(const char * path)
+{
+ filesystem::FileStar rgb {path, "r"};
+ Colours out;
+ Colour colour;
+ char inname[BUFSIZ];
+ while (fscanf(rgb, "%f %f %f %[^\n\r]s", &colour.r, &colour.g, &colour.b, inname) == 4) {
+ std::string name {inname};
+ normalizeColourName(name);
+ out.emplace(std::move(name), colour / 255.f);
+ }
+ return out;
+}
+
+void
+AssetFactory::normalizeColourName(std::string & name)
+{
+ std::erase_if(name, ::isblank);
+ name *= [l = std::locale {}](auto & ch) {
+ ch = std::tolower(ch, l);
+ };
+}
+
+AssetFactory::ColourAlpha
+AssetFactory::parseColour(std::string_view in) const
+{
+ if (in.empty()) {
+ throw std::runtime_error("Empty colour specification");
+ }
+ if (in[0] == '#') {
+ if (in.length() > 9 || in.length() % 2 == 0) {
+ throw std::runtime_error("Invalid hex colour specification");
+ }
+ ColourAlpha out {0, 0, 0, 1};
+ std::generate_n(&out.r, (in.length() - 1) / 2, [in = in.data() + 1]() mutable {
+ uint8_t channel;
+ std::from_chars(in, in + 2, channel, 16);
+ in += 2;
+ return static_cast<float>(channel) / 255.f;
+ });
+ return out;
+ }
+ if (auto mf = Persistence::ParseBase::getShared<const AssetFactory>("assetFactory")) {
+ if (const auto colour = mf->colours.find(in); colour != mf->colours.end()) {
+ return {colour->second, 1};
+ }
+ }
+ throw std::runtime_error("No such asset factory colour");
+}
+bool
+AssetFactory::persist(Persistence::PersistenceStore & store)
+{
+ using MapObjects = Persistence::MapByMember<Shapes, std::shared_ptr<Object>>;
+ using MapAssets = Persistence::MapByMember<Assets>;
+ return STORE_TYPE && STORE_NAME_HELPER("object", shapes, MapObjects)
+ && STORE_NAME_HELPER("asset", assets, MapAssets);
+}