draw debug lines to target

src/ui/GameWorldView.cpp

@@ -18,6 +18,7 @@
 #include <QStringList>
 #include <QTimer>
 
+#include "AttackBehavior.h"
 #include "BeltSystem.h"
 #include "Building.h"
 #include "BuildingSystem.h"
@@ -248,6 +249,7 @@ void GameWorldView::paintGL()
     if (m_debugDraw)
     {
         drawDebugSensorRanges(painter);
+        drawDebugTargetLines(painter);
         drawDebugOverlay(painter);
     }
     drawShips(painter);
@@ -921,6 +923,29 @@ void GameWorldView::drawDebugSensorRanges(QPainter& painter)
         });
 }
 
+void GameWorldView::drawDebugTargetLines(QPainter& painter)
+{
+    m_sim->admin().forEach<ShipIdentityComponent, PositionComponent, AttackBehavior>(
+        [&](entt::entity /*e*/, const ShipIdentityComponent& si,
+            const PositionComponent& pos, const AttackBehavior& attack)
+        {
+            if (!attack.currentTarget.has_value()) { return; }
+
+            const std::optional<QVector2D> targetPos =
+                entityPosition(*attack.currentTarget);
+            if (!targetPos.has_value()) { return; }
+
+            const std::map<std::string, ShipVisuals>::const_iterator it =
+                m_visuals->ships.find(si.schematicId);
+            if (it == m_visuals->ships.end()) { return; }
+
+            QColor lineColor = it->second.fill;
+            lineColor.setAlpha(128);
+            painter.setPen(QPen(lineColor, 1));
+            painter.drawLine(worldToWidget(pos.value), worldToWidget(*targetPos));
+        });
+}
+
 void GameWorldView::drawDebugOverlay(QPainter& painter)
 {
     painter.resetTransform();

src/ui/GameWorldView.h

@@ -99,6 +99,7 @@ private:
     void drawScrap(QPainter& painter);
     void drawShips(QPainter& painter);
     void drawDebugSensorRanges(QPainter& painter);
+    void drawDebugTargetLines(QPainter& painter);
     void drawDebugOverlay(QPainter& painter);
     void drawBeams(QPainter& painter);
     void drawOverlays(QPainter& painter);