Lucas de Vries
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
#include "anim_node_sync.h"
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#include "scene/node.h"
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#include "obj/object.h"
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#include "empire.h"
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#include "main/references.h"
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extern double frameLen_s, frameTime_s;
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namespace scene {
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void NodeSyncAnimator::animate(Node* node) {
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Object* obj = node->obj;
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if(obj) {
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auto* player = Empire::getPlayerEmpire();
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bool vis = false;
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vis = obj->isVisibleTo(player) && obj->position.distanceToSQ(devices.render->cam_pos) < (node->distanceCutoff * obj->radius * obj->radius);
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bool wasVisible = node->visible;
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if(!vis && node->getFlag(NF_Memorable) && (node->remembered || obj->isKnownTo(player))) {
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vis = true;
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node->remembered = true;
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}
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else if(vis) {
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node->remembered = false;
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}
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if(!vis && !wasVisible && node->getFlag(NF_AnimOnlyVisible)) {
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node->visible = false;
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return;
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}
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if(obj->isFocus()) {
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//TODO: This should be handled better/centrally
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obj->setFlag(objFocus, false);
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}
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double interpPct = 1.0;
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if(vis && wasVisible) {
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if(obj->lastTick > node->lastUpdate + 1.0/60.0) {
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interpPct = (frameTime_s - node->lastUpdate)/(obj->lastTick - node->lastUpdate);
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node->position = node->position.interpolate(obj->position, interpPct);
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}
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else {
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//Interpolate to a predicted position based on physics data
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double tDiff = frameTime_s - obj->lastTick;
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vec3d predicted = obj->position + (obj->velocity + obj->acceleration * (tDiff * 0.5)) * tDiff;
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//node->position = node->position.interpolate(predicted, (frameTime_s - node->lastUpdate) / tDiff);
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node->position = predicted;
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interpPct = tDiff / (node->lastUpdate - obj->lastTick);
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}
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}
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else {
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double tDiff = frameTime_s - obj->lastTick;
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node->position = obj->position + (obj->velocity + obj->acceleration * (tDiff * 0.5)) * tDiff;
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}
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node->lastUpdate = frameTime_s;
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node->visible = vis;
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//Some updates only need performed for visible objects
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if(vis || !node->getFlag(NF_AnimOnlyVisible)) {
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if(!node->remembered && !node->getFlag(NF_CustomColor))
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if(Empire* owner = obj->owner)
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node->color = owner->color;
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if(wasVisible)
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node->rotation = node->rotation.slerp(obj->rotation, interpPct);
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else
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node->rotation = obj->rotation;
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node->rebuildTransformation();
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}
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}
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}
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NodeSyncAnimator syncAnimator;
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NodeSyncAnimator* NodeSyncAnimator::getSingleton() {
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return &syncAnimator;
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}
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};
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