switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 609 deletions

diff --git a/libs/assimp/code/AssetLib/LWO/LWOAnimation.cpp b/libs/assimp/code/AssetLib/LWO/LWOAnimation.cpp
deleted file mode 100644
index c2ee2d9..0000000
--- a/libs/assimp/code/AssetLib/LWO/LWOAnimation.cpp
+++ /dev/null
@@ -1,609 +0,0 @@
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
-  copyright notice, this list of conditions and the
-  following disclaimer.
-
-* Redistributions in binary form must reproduce the above
-  copyright notice, this list of conditions and the
-  following disclaimer in the documentation and/or other
-  materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
-  contributors may be used to endorse or promote products
-  derived from this software without specific prior
-  written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** @file  LWOAnimation.cpp
- *  @brief LWOAnimationResolver utility class
- *
- *  It's a very generic implementation of LightWave's system of
- *  component-wise-animated stuff. The one and only fully free
- *  implementation of LightWave envelopes of which I know.
-*/
-
-#if (!defined ASSIMP_BUILD_NO_LWO_IMPORTER) && (!defined ASSIMP_BUILD_NO_LWS_IMPORTER)
-
-#include <functional>
-
-// internal headers
-#include "LWOFileData.h"
-#include <assimp/anim.h>
-
-using namespace Assimp;
-using namespace Assimp::LWO;
-
-// ------------------------------------------------------------------------------------------------
-// Construct an animation resolver from a given list of envelopes
-AnimResolver::AnimResolver(std::list<Envelope> &_envelopes, double tick) :
-        envelopes(_envelopes),
-        sample_rate(0.),
-        envl_x(),
-        envl_y(),
-        envl_z(),
-        end_x(),
-        end_y(),
-        end_z(),
-        flags(),
-        sample_delta() {
-    trans_x = trans_y = trans_z = nullptr;
-    rotat_x = rotat_y = rotat_z = nullptr;
-    scale_x = scale_y = scale_z = nullptr;
-
-    first = last = 150392.;
-
-    // find transformation envelopes
-    for (std::list<LWO::Envelope>::iterator it = envelopes.begin(); it != envelopes.end(); ++it) {
-
-        (*it).old_first = 0;
-        (*it).old_last = (*it).keys.size() - 1;
-
-        if ((*it).keys.empty()) {
-            continue;
-        }
-        if ((int)(*it).type < 1 || (int)(*it).type>EnvelopeType_Unknown) {
-            continue;
-        }
-        switch ((*it).type) {
-        // translation
-        case LWO::EnvelopeType_Position_X:
-            trans_x = &*it;
-            break;
-        case LWO::EnvelopeType_Position_Y:
-            trans_y = &*it;
-            break;
-        case LWO::EnvelopeType_Position_Z:
-            trans_z = &*it;
-            break;
-
-            // rotation
-        case LWO::EnvelopeType_Rotation_Heading:
-            rotat_x = &*it;
-            break;
-        case LWO::EnvelopeType_Rotation_Pitch:
-            rotat_y = &*it;
-            break;
-        case LWO::EnvelopeType_Rotation_Bank:
-            rotat_z = &*it;
-            break;
-
-            // scaling
-        case LWO::EnvelopeType_Scaling_X:
-            scale_x = &*it;
-            break;
-        case LWO::EnvelopeType_Scaling_Y:
-            scale_y = &*it;
-            break;
-        case LWO::EnvelopeType_Scaling_Z:
-            scale_z = &*it;
-            break;
-        default:
-            continue;
-        };
-
-        // convert from seconds to ticks
-        for (std::vector<LWO::Key>::iterator d = (*it).keys.begin(); d != (*it).keys.end(); ++d)
-            (*d).time *= tick;
-
-        // set default animation range (minimum and maximum time value for which we have a keyframe)
-        first = std::min(first, (*it).keys.front().time);
-        last = std::max(last, (*it).keys.back().time);
-    }
-
-    // deferred setup of animation range to increase performance.
-    // typically the application will want to specify its own.
-    need_to_setup = true;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Reset all envelopes to their original contents
-void AnimResolver::ClearAnimRangeSetup() {
-    for (std::list<LWO::Envelope>::iterator it = envelopes.begin(); it != envelopes.end(); ++it) {
-
-        (*it).keys.erase((*it).keys.begin(), (*it).keys.begin() + (*it).old_first);
-        (*it).keys.erase((*it).keys.begin() + (*it).old_last + 1, (*it).keys.end());
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Insert additional keys to match LWO's pre& post behaviors.
-void AnimResolver::UpdateAnimRangeSetup() {
-    // XXX doesn't work yet (hangs if more than one envelope channels needs to be interpolated)
-
-    for (std::list<LWO::Envelope>::iterator it = envelopes.begin(); it != envelopes.end(); ++it) {
-        if ((*it).keys.empty()) continue;
-
-        const double my_first = (*it).keys.front().time;
-        const double my_last = (*it).keys.back().time;
-
-        const double delta = my_last - my_first;
-        const size_t old_size = (*it).keys.size();
-
-        const float value_delta = (*it).keys.back().value - (*it).keys.front().value;
-
-        // NOTE: We won't handle reset, linear and constant here.
-        // See DoInterpolation() for their implementation.
-
-        // process pre behavior
-        switch ((*it).pre) {
-        case LWO::PrePostBehaviour_OffsetRepeat:
-        case LWO::PrePostBehaviour_Repeat:
-        case LWO::PrePostBehaviour_Oscillate: {
-            const double start_time = delta - std::fmod(my_first - first, delta);
-            std::vector<LWO::Key>::iterator n = std::find_if((*it).keys.begin(), (*it).keys.end(),
-                                                    [start_time](double t) { return start_time > t; }),
-                                            m;
-
-            size_t ofs = 0;
-            if (n != (*it).keys.end()) {
-                // copy from here - don't use iterators, insert() would invalidate them
-                ofs = (*it).keys.end() - n;
-                (*it).keys.insert((*it).keys.begin(), ofs, LWO::Key());
-
-                std::copy((*it).keys.end() - ofs, (*it).keys.end(), (*it).keys.begin());
-            }
-
-            // do full copies. again, no iterators
-            const unsigned int num = (unsigned int)((my_first - first) / delta);
-            (*it).keys.resize((*it).keys.size() + num * old_size);
-
-            n = (*it).keys.begin() + ofs;
-            bool reverse = false;
-            for (unsigned int i = 0; i < num; ++i) {
-                m = n + old_size * (i + 1);
-                std::copy(n, n + old_size, m);
-                const bool res = ((*it).pre == LWO::PrePostBehaviour_Oscillate);
-                reverse = !reverse;
-                if (res && reverse) {
-                    std::reverse(m, m + old_size - 1);
-                }
-            }
-
-            // update time values
-            n = (*it).keys.end() - (old_size + 1);
-            double cur_minus = delta;
-            unsigned int tt = 1;
-            for (const double tmp = delta * (num + 1); cur_minus <= tmp; cur_minus += delta, ++tt) {
-                m = (delta == tmp ? (*it).keys.begin() : n - (old_size + 1));
-                for (; m != n; --n) {
-                    (*n).time -= cur_minus;
-
-                    // offset repeat? add delta offset to key value
-                    if ((*it).pre == LWO::PrePostBehaviour_OffsetRepeat) {
-                        (*n).value += tt * value_delta;
-                    }
-                }
-            }
-            break;
-        }
-        default:
-            // silence compiler warning
-            break;
-        }
-
-        // process post behavior
-        switch ((*it).post) {
-
-        case LWO::PrePostBehaviour_OffsetRepeat:
-        case LWO::PrePostBehaviour_Repeat:
-        case LWO::PrePostBehaviour_Oscillate:
-
-            break;
-
-        default:
-            // silence compiler warning
-            break;
-        }
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Extract bind pose matrix
-void AnimResolver::ExtractBindPose(aiMatrix4x4 &out) {
-    // If we have no envelopes, return identity
-    if (envelopes.empty()) {
-        out = aiMatrix4x4();
-        return;
-    }
-    aiVector3D angles, scaling(1.f, 1.f, 1.f), translation;
-
-    if (trans_x) translation.x = trans_x->keys[0].value;
-    if (trans_y) translation.y = trans_y->keys[0].value;
-    if (trans_z) translation.z = trans_z->keys[0].value;
-
-    if (rotat_x) angles.x = rotat_x->keys[0].value;
-    if (rotat_y) angles.y = rotat_y->keys[0].value;
-    if (rotat_z) angles.z = rotat_z->keys[0].value;
-
-    if (scale_x) scaling.x = scale_x->keys[0].value;
-    if (scale_y) scaling.y = scale_y->keys[0].value;
-    if (scale_z) scaling.z = scale_z->keys[0].value;
-
-    // build the final matrix
-    aiMatrix4x4 s, rx, ry, rz, t;
-    aiMatrix4x4::RotationZ(angles.z, rz);
-    aiMatrix4x4::RotationX(angles.y, rx);
-    aiMatrix4x4::RotationY(angles.x, ry);
-    aiMatrix4x4::Translation(translation, t);
-    aiMatrix4x4::Scaling(scaling, s);
-    out = t * ry * rx * rz * s;
-}
-
-// ------------------------------------------------------------------------------------------------
-// Do a single interpolation on a channel
-void AnimResolver::DoInterpolation(std::vector<LWO::Key>::const_iterator cur,
-        LWO::Envelope *envl, double time, float &fill) {
-    if (envl->keys.size() == 1) {
-        fill = envl->keys[0].value;
-        return;
-    }
-
-    // check whether we're at the beginning of the animation track
-    if (cur == envl->keys.begin()) {
-
-        // ok ... this depends on pre behaviour now
-        // we don't need to handle repeat&offset repeat&oszillate here, see UpdateAnimRangeSetup()
-        switch (envl->pre) {
-        case LWO::PrePostBehaviour_Linear:
-            DoInterpolation2(cur, cur + 1, time, fill);
-            return;
-
-        case LWO::PrePostBehaviour_Reset:
-            fill = 0.f;
-            return;
-
-        default: //case LWO::PrePostBehaviour_Constant:
-            fill = (*cur).value;
-            return;
-        }
-    }
-    // check whether we're at the end of the animation track
-    else if (cur == envl->keys.end() - 1 && time > envl->keys.rbegin()->time) {
-        // ok ... this depends on post behaviour now
-        switch (envl->post) {
-        case LWO::PrePostBehaviour_Linear:
-            DoInterpolation2(cur, cur - 1, time, fill);
-            return;
-
-        case LWO::PrePostBehaviour_Reset:
-            fill = 0.f;
-            return;
-
-        default: //case LWO::PrePostBehaviour_Constant:
-            fill = (*cur).value;
-            return;
-        }
-    }
-
-    // Otherwise do a simple interpolation
-    DoInterpolation2(cur - 1, cur, time, fill);
-}
-
-// ------------------------------------------------------------------------------------------------
-// Almost the same, except we won't handle pre/post conditions here
-void AnimResolver::DoInterpolation2(std::vector<LWO::Key>::const_iterator beg,
-        std::vector<LWO::Key>::const_iterator end, double time, float &fill) {
-    switch ((*end).inter) {
-
-    case LWO::IT_STEP:
-        // no interpolation at all - take the value of the last key
-        fill = (*beg).value;
-        return;
-    default:
-
-        // silence compiler warning
-        break;
-    }
-    // linear interpolation - default
-    double duration = (*end).time - (*beg).time;
-    if (duration > 0.0) {
-        fill = (*beg).value + ((*end).value - (*beg).value) * (float)(((time - (*beg).time) / duration));
-    } else {
-        fill = (*beg).value;
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Subsample animation track by given key values
-void AnimResolver::SubsampleAnimTrack(std::vector<aiVectorKey> & /*out*/,
-        double /*time*/, double /*sample_delta*/) {
-    //ai_assert(out.empty() && sample_delta);
-
-    //const double time_start = out.back().mTime;
-    //  for ()
-}
-
-// ------------------------------------------------------------------------------------------------
-// Track interpolation
-void AnimResolver::InterpolateTrack(std::vector<aiVectorKey> &out, aiVectorKey &fill, double time) {
-    // subsample animation track?
-    if (flags & AI_LWO_ANIM_FLAG_SAMPLE_ANIMS) {
-        SubsampleAnimTrack(out, time, sample_delta);
-    }
-
-    fill.mTime = time;
-
-    // get x
-    if ((*cur_x).time == time) {
-        fill.mValue.x = (*cur_x).value;
-
-        if (cur_x != envl_x->keys.end() - 1) /* increment x */
-            ++cur_x;
-        else
-            end_x = true;
-    } else
-        DoInterpolation(cur_x, envl_x, time, (float &)fill.mValue.x);
-
-    // get y
-    if ((*cur_y).time == time) {
-        fill.mValue.y = (*cur_y).value;
-
-        if (cur_y != envl_y->keys.end() - 1) /* increment y */
-            ++cur_y;
-        else
-            end_y = true;
-    } else
-        DoInterpolation(cur_y, envl_y, time, (float &)fill.mValue.y);
-
-    // get z
-    if ((*cur_z).time == time) {
-        fill.mValue.z = (*cur_z).value;
-
-        if (cur_z != envl_z->keys.end() - 1) /* increment z */
-            ++cur_z;
-        else
-            end_x = true;
-    } else
-        DoInterpolation(cur_z, envl_z, time, (float &)fill.mValue.z);
-}
-
-// ------------------------------------------------------------------------------------------------
-// Build linearly subsampled keys from three single envelopes, one for each component (x,y,z)
-void AnimResolver::GetKeys(std::vector<aiVectorKey> &out,
-        LWO::Envelope *_envl_x,
-        LWO::Envelope *_envl_y,
-        LWO::Envelope *_envl_z,
-        unsigned int _flags) {
-    envl_x = _envl_x;
-    envl_y = _envl_y;
-    envl_z = _envl_z;
-    flags = _flags;
-
-    // generate default channels if none are given
-    LWO::Envelope def_x, def_y, def_z;
-    LWO::Key key_dummy;
-    key_dummy.time = 0.f;
-    if ((envl_x && envl_x->type == LWO::EnvelopeType_Scaling_X) ||
-            (envl_y && envl_y->type == LWO::EnvelopeType_Scaling_Y) ||
-            (envl_z && envl_z->type == LWO::EnvelopeType_Scaling_Z)) {
-        key_dummy.value = 1.f;
-    } else
-        key_dummy.value = 0.f;
-
-    if (!envl_x) {
-        envl_x = &def_x;
-        envl_x->keys.push_back(key_dummy);
-    }
-    if (!envl_y) {
-        envl_y = &def_y;
-        envl_y->keys.push_back(key_dummy);
-    }
-    if (!envl_z) {
-        envl_z = &def_z;
-        envl_z->keys.push_back(key_dummy);
-    }
-
-    // guess how many keys we'll get
-    size_t reserve;
-    double sr = 1.;
-    if (flags & AI_LWO_ANIM_FLAG_SAMPLE_ANIMS) {
-        if (!sample_rate)
-            sr = 100.f;
-        else
-            sr = sample_rate;
-        sample_delta = 1.f / sr;
-
-        reserve = (size_t)(
-                std::max(envl_x->keys.rbegin()->time,
-                        std::max(envl_y->keys.rbegin()->time, envl_z->keys.rbegin()->time)) *
-                sr);
-    } else
-        reserve = std::max(envl_x->keys.size(), std::max(envl_x->keys.size(), envl_z->keys.size()));
-    out.reserve(reserve + (reserve >> 1));
-
-    // Iterate through all three arrays at once - it's tricky, but
-    // rather interesting to implement.
-    cur_x = envl_x->keys.begin();
-    cur_y = envl_y->keys.begin();
-    cur_z = envl_z->keys.begin();
-
-    end_x = end_y = end_z = false;
-    while (1) {
-
-        aiVectorKey fill;
-
-        if ((*cur_x).time == (*cur_y).time && (*cur_x).time == (*cur_z).time) {
-
-            // we have a keyframe for all of them defined .. this means
-            // we don't need to interpolate here.
-            fill.mTime = (*cur_x).time;
-
-            fill.mValue.x = (*cur_x).value;
-            fill.mValue.y = (*cur_y).value;
-            fill.mValue.z = (*cur_z).value;
-
-            // subsample animation track
-            if (flags & AI_LWO_ANIM_FLAG_SAMPLE_ANIMS) {
-                //SubsampleAnimTrack(out,cur_x, cur_y, cur_z, d, sample_delta);
-            }
-        }
-
-        // Find key with lowest time value
-        else if ((*cur_x).time <= (*cur_y).time && !end_x) {
-
-            if ((*cur_z).time <= (*cur_x).time && !end_z) {
-                InterpolateTrack(out, fill, (*cur_z).time);
-            } else {
-                InterpolateTrack(out, fill, (*cur_x).time);
-            }
-        } else if ((*cur_z).time <= (*cur_y).time && !end_y) {
-            InterpolateTrack(out, fill, (*cur_y).time);
-        } else if (!end_y) {
-            // welcome on the server, y
-            InterpolateTrack(out, fill, (*cur_y).time);
-        } else {
-            // we have reached the end of at least 2 channels,
-            // only one is remaining. Extrapolate the 2.
-            if (end_y) {
-                InterpolateTrack(out, fill, (end_x ? (*cur_z) : (*cur_x)).time);
-            } else if (end_x) {
-                InterpolateTrack(out, fill, (end_z ? (*cur_y) : (*cur_z)).time);
-            } else { // if (end_z)
-                InterpolateTrack(out, fill, (end_y ? (*cur_x) : (*cur_y)).time);
-            }
-        }
-        double lasttime = fill.mTime;
-        out.push_back(fill);
-
-        if (lasttime >= (*cur_x).time) {
-            if (cur_x != envl_x->keys.end() - 1)
-                ++cur_x;
-            else
-                end_x = true;
-        }
-        if (lasttime >= (*cur_y).time) {
-            if (cur_y != envl_y->keys.end() - 1)
-                ++cur_y;
-            else
-                end_y = true;
-        }
-        if (lasttime >= (*cur_z).time) {
-            if (cur_z != envl_z->keys.end() - 1)
-                ++cur_z;
-            else
-                end_z = true;
-        }
-
-        if (end_x && end_y && end_z) /* finished? */
-            break;
-    }
-
-    if (flags & AI_LWO_ANIM_FLAG_START_AT_ZERO) {
-        for (std::vector<aiVectorKey>::iterator it = out.begin(); it != out.end(); ++it)
-            (*it).mTime -= first;
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-// Extract animation channel
-void AnimResolver::ExtractAnimChannel(aiNodeAnim **out, unsigned int /*= 0*/) {
-    *out = nullptr;
-
-    //FIXME: crashes if more than one component is animated at different timings, to be resolved.
-
-    // If we have no envelopes, return nullptr
-    if (envelopes.empty()) {
-        return;
-    }
-
-    // We won't spawn an animation channel if we don't have at least one envelope with more than one keyframe defined.
-    const bool trans = ((trans_x && trans_x->keys.size() > 1) || (trans_y && trans_y->keys.size() > 1) || (trans_z && trans_z->keys.size() > 1));
-    const bool rotat = ((rotat_x && rotat_x->keys.size() > 1) || (rotat_y && rotat_y->keys.size() > 1) || (rotat_z && rotat_z->keys.size() > 1));
-    const bool scale = ((scale_x && scale_x->keys.size() > 1) || (scale_y && scale_y->keys.size() > 1) || (scale_z && scale_z->keys.size() > 1));
-    if (!trans && !rotat && !scale)
-        return;
-
-    // Allocate the output animation
-    aiNodeAnim *anim = *out = new aiNodeAnim();
-
-    // Setup default animation setup if necessary
-    if (need_to_setup) {
-        UpdateAnimRangeSetup();
-        need_to_setup = false;
-    }
-
-    // copy translation keys
-    if (trans) {
-        std::vector<aiVectorKey> keys;
-        GetKeys(keys, trans_x, trans_y, trans_z, flags);
-
-        anim->mPositionKeys = new aiVectorKey[anim->mNumPositionKeys = static_cast<unsigned int>(keys.size())];
-        std::copy(keys.begin(), keys.end(), anim->mPositionKeys);
-    }
-
-    // copy rotation keys
-    if (rotat) {
-        std::vector<aiVectorKey> keys;
-        GetKeys(keys, rotat_x, rotat_y, rotat_z, flags);
-
-        anim->mRotationKeys = new aiQuatKey[anim->mNumRotationKeys = static_cast<unsigned int>(keys.size())];
-
-        // convert heading, pitch, bank to quaternion
-        // mValue.x=Heading=Rot(Y), mValue.y=Pitch=Rot(X), mValue.z=Bank=Rot(Z)
-        // Lightwave's rotation order is ZXY
-        aiVector3D X(1.0, 0.0, 0.0);
-        aiVector3D Y(0.0, 1.0, 0.0);
-        aiVector3D Z(0.0, 0.0, 1.0);
-        for (unsigned int i = 0; i < anim->mNumRotationKeys; ++i) {
-            aiQuatKey &qk = anim->mRotationKeys[i];
-            qk.mTime = keys[i].mTime;
-            qk.mValue = aiQuaternion(Y, keys[i].mValue.x) * aiQuaternion(X, keys[i].mValue.y) * aiQuaternion(Z, keys[i].mValue.z);
-        }
-    }
-
-    // copy scaling keys
-    if (scale) {
-        std::vector<aiVectorKey> keys;
-        GetKeys(keys, scale_x, scale_y, scale_z, flags);
-
-        anim->mScalingKeys = new aiVectorKey[anim->mNumScalingKeys = static_cast<unsigned int>(keys.size())];
-        std::copy(keys.begin(), keys.end(), anim->mScalingKeys);
-    }
-}
-
-#endif // no lwo or no lws