Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
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+#include "anim_node_sync.h"
+#include "scene/node.h"
+#include "obj/object.h"
+#include "empire.h"
+#include "main/references.h"
+
+extern double frameLen_s, frameTime_s;
+
+namespace scene {
+
+void NodeSyncAnimator::animate(Node* node) {
+	Object* obj = node->obj;
+	if(obj) {
+		auto* player = Empire::getPlayerEmpire();
+
+		bool vis = false;
+		
+		vis = obj->isVisibleTo(player) && obj->position.distanceToSQ(devices.render->cam_pos) < (node->distanceCutoff * obj->radius * obj->radius);
+		bool wasVisible = node->visible;
+
+		if(!vis && node->getFlag(NF_Memorable) && (node->remembered || obj->isKnownTo(player))) {
+			vis = true;
+			node->remembered = true;
+		}
+		else if(vis) {
+			node->remembered = false;
+		}
+
+		if(!vis && !wasVisible && node->getFlag(NF_AnimOnlyVisible)) {
+			node->visible = false;
+			return;
+		}
+
+		if(obj->isFocus()) {
+			//TODO: This should be handled better/centrally
+			obj->setFlag(objFocus, false);
+		}
+
+		double interpPct = 1.0;
+		if(vis && wasVisible) {
+			if(obj->lastTick > node->lastUpdate + 1.0/60.0) {
+				interpPct = (frameTime_s - node->lastUpdate)/(obj->lastTick - node->lastUpdate);
+				node->position = node->position.interpolate(obj->position, interpPct);
+			}
+			else {
+				//Interpolate to a predicted position based on physics data
+				double tDiff = frameTime_s - obj->lastTick;
+				vec3d predicted = obj->position + (obj->velocity + obj->acceleration * (tDiff * 0.5)) * tDiff;
+				//node->position = node->position.interpolate(predicted, (frameTime_s - node->lastUpdate) / tDiff);
+				node->position = predicted;
+				interpPct = tDiff / (node->lastUpdate - obj->lastTick);
+			}
+		}
+		else {
+			double tDiff = frameTime_s - obj->lastTick;
+			node->position = obj->position + (obj->velocity + obj->acceleration * (tDiff * 0.5)) * tDiff;
+		}
+		node->lastUpdate = frameTime_s;
+
+		node->visible = vis;
+
+		//Some updates only need performed for visible objects
+		if(vis || !node->getFlag(NF_AnimOnlyVisible)) {
+			if(!node->remembered && !node->getFlag(NF_CustomColor))
+				if(Empire* owner = obj->owner)
+					node->color = owner->color;
+
+			if(wasVisible)
+				node->rotation = node->rotation.slerp(obj->rotation, interpPct);
+			else
+				node->rotation = obj->rotation;
+
+			node->rebuildTransformation();
+		}
+	}
+}
+
+NodeSyncAnimator syncAnimator;
+
+NodeSyncAnimator* NodeSyncAnimator::getSingleton() {
+	return &syncAnimator;
+}
+
+};