Function nfsUvGenerate

src/Loaders/track_utils.cpp:204–337

    }

    std::vector<glm::vec2> nfsUvGenerate(NFSVer tag, EntityType mesh_type, uint32_t textureFlags, Texture gl_texture) {
        std::bitset<32> textureAlignment(textureFlags);
        std::vector<glm::vec2> uvs;

        switch (tag) {
            case NFS_1:
                ASSERT(false, "Unimplemented");
                break;
            case NFS_2:
            case NFS_2_SE:
                switch (mesh_type) {
                    case XOBJ: {
                        bool horizontalFlip = false; //textureAlignment[8];
                        bool verticalFlip = false; //textureAlignment[9];
                        glm::vec2 originTransform = glm::vec2(0.5f, 0.5f);
                        uint8_t nRotate = 0;
                        float angle = nRotate * 90.f;
                        glm::mat2 uvRotationTransform = glm::mat2(cos(glm::radians(angle)), sin(glm::radians(angle)), -sin(glm::radians(angle)), cos(glm::radians(angle)));
                        uvs.emplace_back(((glm::vec2(1.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(1.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(1.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        for (auto &uv : uvs) {
                            if (horizontalFlip) {
                                uv.x = 1.0f - uv.x;
                            }
                            if (verticalFlip) {
                                uv.y = 1.0f - uv.y;
                            }
                            uv.x *= gl_texture.max_u;
                            uv.y *= gl_texture.max_v;
                        }
                    }
                        break;
                    case OBJ_POLY:
                        break;
                    case ROAD:
                    {
                        bool horizontalFlip = false; // textureAlignment[8];
                        bool verticalFlip = false;   // textureAlignment[9];
                        glm::vec2 originTransform = glm::vec2(0.5f, 0.5f);
                        uint8_t nRotate = (textureFlags >> 11) & 3; // 8,11 ok
                        float angle = nRotate * 90.f;
                        glm::mat2 uvRotationTransform = glm::mat2(cos(glm::radians(angle)), sin(glm::radians(angle)), -sin(glm::radians(angle)), cos(glm::radians(angle)));
                        uvs.emplace_back(((glm::vec2(1.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(1.0f, 1.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(0.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        uvs.emplace_back(((glm::vec2(1.0f, 0.0f) - originTransform) * uvRotationTransform) + originTransform);
                        for (auto &uv : uvs) {
                            if (horizontalFlip) {
                                uv.x = 1.0f - uv.x;
                            }
                            if (verticalFlip) {
                                uv.y = 1.0f - uv.y;