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-rw-r--r--ui/builders/freeExtend.cpp57
-rw-r--r--ui/builders/freeExtend.h13
2 files changed, 70 insertions, 0 deletions
diff --git a/ui/builders/freeExtend.cpp b/ui/builders/freeExtend.cpp
new file mode 100644
index 0000000..1520421
--- /dev/null
+++ b/ui/builders/freeExtend.cpp
@@ -0,0 +1,57 @@
+#include "freeExtend.h"
+#include <game/geoData.h>
+
+std::string
+BuilderFreeExtend::hint() const
+{
+ if (p1) {
+ return "Pick next point";
+ }
+ return "Pick start node";
+}
+
+void
+BuilderFreeExtend::move(Network * network, const GeoData * geoData, const SDL_MouseMotionEvent &, const Ray & ray)
+{
+ if (p1) {
+ if (const auto p = network->intersectRayNodes(ray)) {
+ candidateLinks.objects = network->candidateJoins(*p1, p->pos);
+ }
+ else if (const auto p = geoData->intersectRay(ray)) {
+ candidateLinks.objects = network->candidateExtend(*p1, *p);
+ }
+ else {
+ candidateLinks.removeAll();
+ }
+ }
+ else {
+ candidateLinks.removeAll();
+ }
+}
+
+void
+BuilderFreeExtend::click(Network * network, const GeoData * geoData, const SDL_MouseButtonEvent & e, const Ray & ray)
+{
+ switch (e.button) {
+ case SDL_BUTTON_LEFT:
+ if (p1) {
+ if (const auto p = network->intersectRayNodes(ray)) {
+ network->addJoins(*p1, p->pos);
+ p1 = p->pos;
+ }
+ else if (const auto p = geoData->intersectRay(ray)) {
+ network->addExtend(*p1, *p);
+ p1 = *p;
+ }
+ }
+ else {
+ if (const auto p = network->intersectRayNodes(ray)) {
+ p1 = p->pos;
+ }
+ }
+ return;
+ case SDL_BUTTON_MIDDLE:
+ p1.reset();
+ return;
+ }
+}
diff --git a/ui/builders/freeExtend.h b/ui/builders/freeExtend.h
new file mode 100644
index 0000000..55fe7ff
--- /dev/null
+++ b/ui/builders/freeExtend.h
@@ -0,0 +1,13 @@
+#pragma once
+#include "../editNetwork.h"
+
+class Network;
+class GeoData;
+
+class BuilderFreeExtend : public EditNetwork::Builder {
+ std::string hint() const override;
+ void click(Network * network, const GeoData * geoData, const SDL_MouseButtonEvent & e, const Ray & ray) override;
+ void move(Network * network, const GeoData * geoData, const SDL_MouseMotionEvent & e, const Ray & ray) override;
+
+ std::optional<glm::vec3> p1;
+};