fix: make choice options the only clickable area in dialogue choices

src/Game.cpp

@@ -696,6 +696,13 @@ namespace ZL
 				int my = static_cast<int>((float)event.motion.y / Environment::height * Environment::projectionHeight);
 				handleMotion(ZL::UiManager::MOUSE_FINGER_ID, mx, my);
 
+				if (dialogueSystem.blocksGameplayInput()) {
+					dialogueSystem.handlePointerMoved(
+						static_cast<float>(mx),
+						Environment::projectionHeight - static_cast<float>(my)
+					);
+				}
+
 				if (rightMouseDown) {
 					int dx = event.motion.x - lastMouseX;
 					int dy = event.motion.y - lastMouseY;
@@ -732,7 +739,7 @@ namespace ZL
 			if (event.type == SDL_KEYDOWN && event.key.repeat == 0) {
 				switch (event.key.keysym.sym) {
 				case SDLK_f:
-					dialogueSystem.startDialogue("test_cutscene_pan_dialogue_silent");
+					dialogueSystem.startDialogue("test_choice_dialogue");
 					break;
 
 				case SDLK_e:

src/dialogue/DialogueOverlay.cpp

@@ -84,6 +84,12 @@ bool DialogueOverlay::init(Renderer& renderer, const std::string& zipFile) {
     return ok;
 }
 
+void DialogueOverlay::update(const PresentationModel& model, int deltaMs) {
+    if (model.mode != PresentationMode::Choice) {
+        hoveredChoiceIndex = -1;
+    }
+}
+
 void DialogueOverlay::draw(Renderer& renderer, const PresentationModel& model) {
     if (model.mode == PresentationMode::Hidden) {
         lastChoiceRects.clear();
@@ -170,12 +176,9 @@ void DialogueOverlay::drawDialogue(Renderer& renderer, const PresentationModel&
             lastChoiceRects.push_back(rect);
             choiceQuads[i].rebuild(rect);
 
-            const bool isSelected = static_cast<int>(i) == model.selectedChoice;
-            std::shared_ptr<Texture> choiceTexture = choiceMainTexture;
-            if (model.choices[i].kind == ChoiceKind::Optional) {
-                choiceTexture = choiceOptionalTexture;
-            }
-            if (isSelected) {
+            const bool isHighlighted = static_cast<int>(i) == hoveredChoiceIndex || static_cast<int>(i) == model.selectedChoice;
+            std::shared_ptr<Texture> choiceTexture = (model.choices[i].kind == ChoiceKind::Optional) ? choiceOptionalTexture : choiceMainTexture;
+            if (isHighlighted) {
                 choiceTexture = choiceSelectedTexture;
             }
             drawQuad(renderer, choiceQuads[i], choiceTexture);
@@ -187,10 +190,10 @@ void DialogueOverlay::drawDialogue(Renderer& renderer, const PresentationModel&
 
         for (size_t i = 0; i < model.choices.size(); ++i) {
             const UiRect& rect = lastChoiceRects[i];
-            const bool isSelected = static_cast<int>(i) == model.selectedChoice;
+            const bool isHighlighted = static_cast<int>(i) == hoveredChoiceIndex || static_cast<int>(i) == model.selectedChoice;
             const std::array<float, 4> color = (model.choices[i].kind == ChoiceKind::Optional)
                 ? std::array<float, 4>{0.82f, 0.82f, 0.82f, 1.0f}
-            : std::array<float, 4>{ 1.0f, 0.93f, 0.65f, 1.0f };
+                : std::array<float, 4>{ 1.0f, 0.93f, 0.65f, 1.0f };
 
             choiceRenderer->drawText(
                 wrapText(model.choices[i].text, 52),
@@ -198,7 +201,7 @@ void DialogueOverlay::drawDialogue(Renderer& renderer, const PresentationModel&
                 rect.y + 9.0f,
                 1.0f,
                 false,
-                isSelected ? std::array<float, 4>{1.0f, 1.0f, 1.0f, 1.0f} : color
+                isHighlighted ? std::array<float, 4>{1.0f, 1.0f, 1.0f, 1.0f} : color
             );
         }
     }
@@ -417,21 +420,48 @@ void DialogueOverlay::drawCutscene(Renderer& renderer, const PresentationModel&
     glDisable(GL_BLEND);
 }
 
-bool DialogueOverlay::handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex) const {
+void DialogueOverlay::handlePointerDown(float x, float y, const PresentationModel& model) {
+    if (model.mode == PresentationMode::Choice) {
+        handlePointerMoved(x, y, model);
+        return;
+    }
+}
+
+void DialogueOverlay::handlePointerMoved(float x, float y, const PresentationModel& model) {
+    if (model.mode == PresentationMode::Choice) {
+        hoveredChoiceIndex = -1;
+        for (size_t i = 0; i < lastChoiceRects.size(); ++i) {
+            if (rectContains(lastChoiceRects[i], x, y)) {
+                hoveredChoiceIndex = static_cast<int>(i);
+                break;
+            }
+        }
+        return;
+    }
+
+    hoveredChoiceIndex = -1;
+}
+
+bool DialogueOverlay::handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex, bool& outAdvanceDialogue) {
     outChoiceIndex = -1;
+    outAdvanceDialogue = false;
 
     if (model.mode == PresentationMode::Choice) {
         for (size_t i = 0; i < lastChoiceRects.size(); ++i) {
-            if (lastChoiceRects[i].contains(x, y)) {
+            if (rectContains(lastChoiceRects[i], x, y)) {
                 outChoiceIndex = static_cast<int>(i);
                 return true;
             }
         }
-        return lastDialogueAdvanceRect.contains(x, y);
+        return false;
     }
     
     if (model.mode == PresentationMode::Dialogue) {
-		return lastDialogueAdvanceRect.contains(x, y);
+        if (lastDialogueAdvanceRect.contains(x, y)) {
+            outAdvanceDialogue = true;
+            return true;
+        }
+        return false;
     }
 
     if (model.mode == PresentationMode::Cutscene) {
@@ -494,4 +524,8 @@ std::string DialogueOverlay::wrapText(const std::string& input, size_t maxLineLe
     return output;
 }
 
+bool DialogueOverlay::rectContains(const UiRect& rect, float x, float y) {
+    return x >= rect.x && x <= rect.x + rect.w && y >= rect.y && y <= rect.y + rect.h;
+}
+
 } // namespace ZL::Dialogue

src/dialogue/DialogueOverlay.h

@@ -15,11 +15,12 @@ namespace ZL::Dialogue {
 class DialogueOverlay {
 public:
     bool init(Renderer& renderer, const std::string& zipFile = "");
+    void update(const PresentationModel& model, int deltaMs);
     void draw(Renderer& renderer, const PresentationModel& model);
 
-    // Coordinates are expected in the game's UI projection space
-    // Returns true only when the click should advance/select.
-    bool handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex) const;
+    void handlePointerDown(float x, float y, const PresentationModel& model);
+    void handlePointerMoved(float x, float y, const PresentationModel& model);
+    bool handlePointerReleased(float x, float y, const PresentationModel& model, int& outChoiceIndex, bool& outAdvanceDialogue);
 
 private:
     struct TexturedQuad {
@@ -60,6 +61,8 @@ private:
 	mutable UiRect lastCutsceneAdvanceRect{};
     mutable bool cutsceneAdvanceEnabled = false;
 
+    int hoveredChoiceIndex = -1;
+
     std::unique_ptr<TextRenderer> nameRenderer;
     std::unique_ptr<TextRenderer> bodyRenderer;
     std::unique_ptr<TextRenderer> choiceRenderer;
@@ -80,6 +83,7 @@ private:
     void drawQuad(Renderer& renderer, const TexturedQuad& quad, const std::shared_ptr<Texture>& texture) const;
 
     static std::string wrapText(const std::string& input, size_t maxLineLength);
+    static bool rectContains(const UiRect& rect, float x, float y);
 
     static float lerpFloat(float a, float b, float t);
     static ResolvedViewport resolveViewportPose(

src/dialogue/DialogueRuntime.cpp

@@ -185,10 +185,26 @@ void DialogueRuntime::moveSelection(int delta) {
 	}
 
 	const int count = static_cast<int>(visibleChoices.size());
-	selectedChoice = (selectedChoice + delta) % count;
-	if (selectedChoice < 0) {
-		selectedChoice += count;
+	if (selectedChoice < 0 || selectedChoice >= count) {
+		selectedChoice = (delta >= 0) ? 0 : (count - 1);
 	}
+	else {
+		selectedChoice = (selectedChoice + delta) % count;
+		if (selectedChoice < 0) {
+			selectedChoice += count;
+		}
+	}
+	presentation.selectedChoice = selectedChoice;
+}
+
+void DialogueRuntime::selectChoice(int index) {
+	if (mode != Mode::WaitingForChoice || visibleChoices.empty()) {
+		return;
+	}
+	if (index < 0 || index >= static_cast<int>(visibleChoices.size())) {
+		return;
+	}
+	selectedChoice = index;
 	presentation.selectedChoice = selectedChoice;
 }
 
@@ -346,14 +362,14 @@ void DialogueRuntime::presentChoices(const Node& node) {
 	}
 
 	mode = Mode::WaitingForChoice;
-	selectedChoice = 0;
+	selectedChoice = -1;
 	presentation.mode = PresentationMode::Choice;
 	presentation.speaker = node.speaker;
 	presentation.fullText = node.text;
 	presentation.visibleText = node.text;
 	presentation.portraitPath = node.portrait;
 	presentation.backgroundPath.clear();
-	presentation.selectedChoice = 0;
+	presentation.selectedChoice = -1;
 	presentation.revealCompleted = true;
 	presentation.showCutsceneSubtitle = false;
 	presentation.cutsceneCamera = {};

src/dialogue/DialogueRuntime.h

@@ -26,6 +26,7 @@ public:
 
 	void confirmAdvance();
 	void moveSelection(int delta);
+	void selectChoice(int index);
 
 	const PresentationModel& getPresentation() const { return presentation; }
 

src/dialogue/DialogueSystem.cpp

@@ -66,24 +66,43 @@ bool DialogueSystem::handleKeyDown(SDL_Keycode key) {
 	}
 }
 
+void DialogueSystem::handlePointerDown(float x, float y) {
+	if (!runtime.isActive()) {
+		return;
+	}
+	overlay.handlePointerDown(x, y, runtime.getPresentation());
+}
+
+void DialogueSystem::handlePointerMoved(float x, float y) {
+	if (!runtime.isActive()) {
+		return;
+	}
+	overlay.handlePointerMoved(x, y, runtime.getPresentation());
+}
+
 bool DialogueSystem::handlePointerReleased(float x, float y) {
 	if (!runtime.isActive()) {
 		return false;
 	}
 
 	int choiceIndex = -1;
+	bool advanceDialogue = false;
 	const PresentationModel& model = runtime.getPresentation();
-	if (!overlay.handlePointerReleased(x, y, model, choiceIndex)) {
+	if (!overlay.handlePointerReleased(x, y, model, choiceIndex, advanceDialogue)) {
 		return false;
 	}
 
 	if (choiceIndex >= 0) {
-		while (runtime.getPresentation().selectedChoice != choiceIndex) {
-			runtime.moveSelection(1);
-		}
+		runtime.selectChoice(choiceIndex);
+		runtime.confirmAdvance();
+		return true;
+	}
+
+	if (advanceDialogue) {
+		runtime.confirmAdvance();
+		return true;
 	}
 
-	runtime.confirmAdvance();
 	return true;
 }
 

src/dialogue/DialogueSystem.h

@@ -27,6 +27,8 @@ public:
 	void draw(Renderer& renderer);
 
 	bool handleKeyDown(SDL_Keycode key);
+	void handlePointerDown(float x, float y);
+	void handlePointerMoved(float x, float y);
 	bool handlePointerReleased(float x, float y);
 
 	bool startDialogue(const std::string& dialogueId);

src/dialogue/DialogueTypes.h

@@ -173,7 +173,7 @@ struct PresentationModel {
 	std::string portraitPath;
 	std::string backgroundPath;
 	std::vector<PresentedChoice> choices;
-	int selectedChoice = 0;
+	int selectedChoice = -1;
 	bool revealCompleted = true;
 	bool showCutsceneSubtitle = false;