1 files changed, 67 insertions, 0 deletions
diff --git a/source/frontend/StarQuestIndicatorPainter.cpp b/source/frontend/StarQuestIndicatorPainter.cpp
new file mode 100644
index 0000000..d144021
--- /dev/null
+++ b/source/frontend/StarQuestIndicatorPainter.cpp
@@ -0,0 +1,67 @@
+#include "StarQuestIndicatorPainter.hpp"
+#include "StarAssets.hpp"
+#include "StarGuiContext.hpp"
+#include "StarQuestManager.hpp"
+#include "StarWorldClient.hpp"
+#include "StarUniverseClient.hpp"
+
+namespace Star {
+
+QuestIndicatorPainter::QuestIndicatorPainter(UniverseClientPtr const& client) {
+  m_client = client;
+}
+
+AnimationPtr indicatorAnimation(String indicatorPath) {
+  auto assets = Root::singleton().assets();
+  return make_shared<Animation>(assets->json(indicatorPath), indicatorPath);
+}
+
+void QuestIndicatorPainter::update(WorldClientPtr const& world, WorldCamera const& camera) {
+  m_camera = camera;
+
+  Set<EntityId> foundIndicators;
+  for (auto const& entity : world->query<Entity>(camera.worldScreenRect())) {
+    auto indicator = m_client->questManager()->getQuestIndicator(entity);
+    if (!indicator) continue;
+
+    foundIndicators.insert(entity->entityId());
+    Vec2F screenPos = camera.worldToScreen(indicator->worldPosition);
+
+    if (auto currentIndicator = m_indicators.ptr(entity->entityId())) {
+      currentIndicator->screenPos = screenPos;
+      if (currentIndicator->indicatorName == indicator->indicatorImage) {
+        currentIndicator->animation->update(WorldTimestep);
+      } else {
+        currentIndicator->indicatorName = indicator->indicatorImage;
+        currentIndicator->animation = indicatorAnimation(indicator->indicatorImage);
+      }
+    } else {
+      m_indicators[entity->entityId()] = Indicator {
+          entity->entityId(),
+          screenPos,
+          indicator->indicatorImage,
+          indicatorAnimation(indicator->indicatorImage)
+        };
+    }
+  }
+
+  m_indicators = Map<EntityId, Indicator>::from(m_indicators.pairs().filtered([&foundIndicators](pair<EntityId, Indicator> indicator) {
+      return foundIndicators.contains(indicator.first);
+    }));
+}
+
+Drawable QuestIndicatorPainter::Indicator::render(float pixelRatio) const {
+  return animation->drawable(pixelRatio);
+}
+
+void QuestIndicatorPainter::render() {
+  auto& context = GuiContext::singleton();
+
+  for (auto const& indicator : m_indicators.values()) {
+    Drawable drawable = indicator.render(m_camera.pixelRatio());
+    drawable.fullbright = true;
+    context.drawDrawable(drawable, Vec2F(indicator.screenPos), 1, Vec4B(255, 255, 255, 255));
+  }
+}
+
+}