From ec511705ce96d80d4e2a36054769c211448e8ec8 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 11 Feb 2021 20:47:46 -0500
Subject: Added choice prompts

"A presses" are also no longer special values in the lines list, but are rather a field on the MessageLine object.
---
 src/message_system.cpp | 82 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 58 insertions(+), 24 deletions(-)

(limited to 'src/message_system.cpp')

diff --git a/src/message_system.cpp b/src/message_system.cpp
index a200abc..a969427 100644
--- a/src/message_system.cpp
+++ b/src/message_system.cpp
@@ -39,10 +39,16 @@ void MessageSystem::tick(double dt) {
               }
             }
 
-            line.charsRevealed += CHARS_TO_REVEAL;
-            if (line.charsRevealed > line.text.size()) {
+            if (line.isChoice) {
               line.charsRevealed = line.text.size();
+              choiceSelection_ = 0;
+            } else {
+              line.charsRevealed += CHARS_TO_REVEAL;
+              if (line.charsRevealed > line.text.size()) {
+                line.charsRevealed = line.text.size();
+              }
             }
+
             advancedChars = true;
             break;
           }
@@ -50,14 +56,14 @@ void MessageSystem::tick(double dt) {
 
         if (!advancedChars) {
           // If both lines are totally revealed, see if we can scroll up a line.
-          // This is doable as long as the next line isn't the sentinel value that
-          // means an A press is required.
-          if (!lines_.empty() && lines_.front() != "\f") {
+          // This is doable as long as the last currently visible line doesn't
+          // have the flag that means an A press is required.
+          if (!lines_.empty() && !linesToShow_.back().pause) {
             if (linesToShow_.size() == 2) {
               linesToShow_.pop_front();
             }
 
-            linesToShow_.push_back(MessageLine { .text = lines_.front() });
+            linesToShow_.push_back(lines_.front());
             lines_.pop_front();
           } else {
             showNextArrow_ = true;
@@ -113,8 +119,8 @@ void MessageSystem::displayMessage(std::string_view msg, std::string speakerName
       text.erase(0, 1);
       shouldAddBlank = false;
 
-      if (lines_.empty() || lines_.back() != "\f") {
-        lines_.push_back("\f");
+      if (!lines_.empty()) {
+        lines_.back().pause = true;
       }
     }
 
@@ -139,13 +145,13 @@ void MessageSystem::displayMessage(std::string_view msg, std::string speakerName
       }
 
       if (nextWidth > MESSAGE_TEXT_WIDTH) {
-        lines_.push_back(curLine);
+        lines_.push_back({.text = curLine});
         curLine = word;
         curWidth = wordWidth + game_.getFont().getCharacterWidth(' ');
 
         if (shouldAddBlank) {
           shouldAddBlank = false;
-          lines_.push_back("\f");
+          lines_.back().pause = true;
         } else {
           shouldAddBlank = true;
         }
@@ -160,52 +166,66 @@ void MessageSystem::displayMessage(std::string_view msg, std::string speakerName
       firstWord = false;
     }
 
-    lines_.push_back(curLine);
+    lines_.push_back({.text = curLine});
 
     if (shouldAddBlank) {
       shouldAddBlank = false;
-      lines_.push_back("\f");
+      lines_.back().pause = true;
     } else {
       shouldAddBlank = true;
     }
   }
 
-  if (lines_.empty() || lines_.back() != "\f") {
-    lines_.push_back("\f");
+  if (!lines_.empty()) {
+    lines_.back().pause = true;
   }
 
   if (linesToShow_.empty()) {
-    linesToShow_.push_back(MessageLine { .text = lines_.front() });
+    linesToShow_.push_back(lines_.front());
     lines_.pop_front();
 
-    if (lines_.front() != "\f") {
-      linesToShow_.push_back(MessageLine { .text = lines_.front() });
+    if (!linesToShow_.back().pause) {
+      linesToShow_.push_back(lines_.front());
       lines_.pop_front();
     }
   }
 }
 
+void MessageSystem::showChoice(std::string choice1, std::string choice2) {
+  MessageLine line;
+  line.text = std::string(8, ' ') + choice1 + std::string(11, ' ') + choice2;
+  line.pause = true;
+  line.isChoice = true;
+  line.choicePos[0] = 8;
+  line.choicePos[1] = 8 + 11 + choice1.size();
+
+  lines_.push_back(line);
+}
+
 void MessageSystem::advanceText() {
+  // Cutscene must be active.
   if (barsState_ != BarsState::Open) {
     return;
   }
+  if (linesToShow_.empty()) {
+    return;
+  }
 
+  // We can only advance if all visible lines are fully revealed.
   for (const MessageLine& line : linesToShow_) {
     if (line.charsRevealed != line.text.size()) {
       return;
     }
   }
 
-  if (lines_.empty()) {
-    linesToShow_.clear();
+  // If the last visible line doesn't have a pause, then the cutscene
+  // will automatically progress without us doing anything.
+  if (!linesToShow_.back().pause) {
     return;
   }
 
-  if (lines_.front() != "\f") {
-    return;
-  }
-
-  lines_.pop_front();
+  // Clear the current pause.
+  linesToShow_.back().pause = false;
   showNextArrow_ = false;
 
   if (lines_.empty()) {
@@ -215,6 +235,20 @@ void MessageSystem::advanceText() {
   }
 }
 
+void MessageSystem::selectFirstChoice() {
+  if (isChoiceActive() && choiceSelection_ != 0) {
+    choiceSelection_ = 0;
+    game_.getMixer().playSound("../res/sfx/horizontal_menu.wav");
+  }
+}
+
+void MessageSystem::selectSecondChoice() {
+  if (isChoiceActive() && choiceSelection_ != 1) {
+    choiceSelection_ = 1;
+    game_.getMixer().playSound("../res/sfx/horizontal_menu.wav");
+  }
+}
+
 double MessageSystem::getCutsceneBarsProgress() const {
   switch (barsState_) {
     case BarsState::Closed: return 0.0;
-- 
cgit 1.4.1