Working on messenger in portrait mode

src/MenuManager.h

@@ -10,6 +10,7 @@
 #include <string>
 #include <memory>
 #include "AudioPlayerAsync.h"
+#include "render/FrameBuffer.h"
 
 // Forward-declared here to avoid pulling Game.h into MenuManager.h.
 namespace ZL { struct SaveSlotInfo; }
@@ -31,6 +32,7 @@ namespace ZL {
 	public:
 		UiManager uiManager;
 		UiManager topUiManager;
+		UiManager chatUiManager;
 
 		MenuManager(Renderer& iRenderer, GameState& gameState, AudioPlayerAsync& audioPlayer);
 
@@ -96,6 +98,9 @@ namespace ZL {
 		// Called by Game when the window is resized and orientation has changed.
 		void onOrientationChanged();
 
+		// Called from Game::drawUI() to render chat bubbles through an FBO.
+		void drawChatFbo(Renderer& renderer);
+
 		void saveSettings();
 		void loadSettings();
 
@@ -125,11 +130,12 @@ namespace ZL {
 		void refreshChatUnreadIndicators();
 		void resetPhoneChatNodes();
 		void recomputePhoneChatPositions();
+		void recomputePhoneChatPositionsPortrait();
 		void openPhoneChatFromList(int chatIndex, std::shared_ptr<UiNode> chatRoot);
 		void returnToPhoneChatList();
 		void closePhoneScreenFromChat();
 		void applyUniIntHud();
-		void rebuildChatBubblesFromHistory(int chatIndex);
+		void rebuildChatBubblesFromHistory(int chatIndex, bool isPortrait);
 		void showModalMenuScreen();
 
 		void showAboutScreen();
@@ -210,6 +216,9 @@ namespace ZL {
 		std::shared_ptr<UiNode> phoneChat1Root;
 		std::shared_ptr<UiNode> phoneChat2Root;
 		std::shared_ptr<UiNode> phoneChat3Root;
+		std::shared_ptr<UiNode> verticalPhoneChat1Root;
+		std::shared_ptr<UiNode> verticalPhoneChat2Root;
+		std::shared_ptr<UiNode> verticalPhoneChat3Root;
 
 		std::shared_ptr<UiNode> modalMenuRoot;
 
@@ -253,6 +262,27 @@ namespace ZL {
 		static constexpr float CHAT_TOP_Y    = 610.0f;
 		static constexpr float CHAT_BOTTOM_Y = 290.0f;
 		static constexpr float CHAT_SPACING  = 10.0f;
+
+		static constexpr float P_CHAT_TOP_Y = 610.0f + 246;
+		static constexpr float P_CHAT_BOTTOM_Y = 290.0f + 126;
+
+		// FBO dimensions for chat clipping.
+		// OFFSET_UP / OFFSET_DOWN = how far the FBO extends above / below screen center.
+		// Height = UP + DOWN.  Quad: y0 = projH/2 - DOWN, y1 = projH/2 + UP.
+		static constexpr float CHAT_FBO_WIDTH_L       = 469.0f;
+		static constexpr float CHAT_FBO_OFFSET_UP_L   = 260.0f;
+		static constexpr float CHAT_FBO_OFFSET_DOWN_L = 70.0f;
+
+		static constexpr float CHAT_FBO_WIDTH_P       = 670.0f;
+		static constexpr float CHAT_FBO_OFFSET_UP_P   = 360.0f;
+		static constexpr float CHAT_FBO_OFFSET_DOWN_P = 70.0f;
+
+		std::unique_ptr<FrameBuffer> chatFrameBuffer_;
+		VertexRenderStruct            chatFboQuad_;
+		float chatFboQuadLastProjW_    = -1.0f;
+		float chatFboQuadLastProjH_    = -1.0f;
+		bool  chatFboQuadLastPortrait_ = false;
+
 	};
 
 } // namespace ZL