diff options
Diffstat (limited to 'assetFactory/assetFactory.cpp')
| -rw-r--r-- | assetFactory/assetFactory.cpp | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/assetFactory/assetFactory.cpp b/assetFactory/assetFactory.cpp index 917edfe..46b4642 100644 --- a/assetFactory/assetFactory.cpp +++ b/assetFactory/assetFactory.cpp @@ -80,17 +80,11 @@ AssetFactory::parseColour(std::string_view in) const throw std::runtime_error("No such asset factory colour"); } -AssetFactory::TextureFragmentCoords -AssetFactory::getTextureCoords(std::string_view id) const +GLuint +AssetFactory::getMaterialIndex(std::string_view id) const { createTexutre(); - const auto & fragmentUV = textureFragmentPositions.at(id); - return { - fragmentUV.xy(), - fragmentUV.zy(), - fragmentUV.zw(), - fragmentUV.xw(), - }; + return textureFragmentPositions.at(id); } Asset::TexturePtr @@ -103,7 +97,7 @@ AssetFactory::getTexture() const void AssetFactory::createTexutre() const { - if (!textureFragments.empty() && (!texture || textureFragmentPositions.empty())) { + if (!textureFragments.empty() && !texture) { // * layout images std::vector<TexturePacker::Image> imageSizes; std::transform( @@ -112,18 +106,14 @@ AssetFactory::createTexutre() const }); const auto [layout, outSize] = TexturePacker {imageSizes}.pack(); // * create texture - texture = std::make_shared<Texture>(outSize.x, outSize.y, TextureOptions {.wrap = GL_CLAMP_TO_EDGE}); + texture = std::make_shared<TextureAtlas>(outSize.x, outSize.y, layout.size()); std::transform(textureFragments.begin(), textureFragments.end(), std::inserter(textureFragmentPositions, textureFragmentPositions.end()), - [position = layout.begin(), size = imageSizes.begin(), outSize = glm::vec2 {outSize}]( - const auto & tf) mutable { - const auto positionFraction = glm::vec4 {*position, *position + *size} / outSize.xyxy(); - glTexSubImage2D(GL_TEXTURE_2D, 0, static_cast<GLint>(position->x), static_cast<GLint>(position->y), - static_cast<GLint>(size->x), static_cast<GLint>(size->y), GL_RGBA, GL_UNSIGNED_BYTE, - tf.second->image->data.data()); + [position = layout.begin(), size = imageSizes.begin(), this](const auto & tf) mutable { + const auto m = texture->add(*position, *size, tf.second->image->data.data()); position++; size++; - return decltype(textureFragmentPositions)::value_type {tf.first, positionFraction}; + return decltype(textureFragmentPositions)::value_type {tf.first, m}; }); } } |