Dialogue markup and lines, shared common folder, item atlases, ids, seconds and key checks

src/dialogue.h

@@ -11,8 +11,8 @@ enum TextMode
     TEXT_SEQUENCE
 };
 
-// Plays out a dialogue entry a character at a time with its effects, then offers its choices or the entry it leads to.
-// A scene holds the game still until its last entry finishes. The UI shows it and passes on the player's input.
+// Plays out a dialogue entry's lines a character at a time with their effects, then offers its choices or the entry it
+// leads to. A scene holds the game still until its last entry finishes. The UI shows it and passes on the player's input.
 class Text
 {
 public:
@@ -23,6 +23,7 @@ public:
     int delay = 0;
     int delayBase = 0;
     int index = 0;
+    int line = 0;
     int tick = 0;
     bool isAnimationStarted = false;
     bool isBlipQueued = false;
@@ -35,8 +36,12 @@ public:
     void advance(Play& play);
     void choose(Play& play, int choice);
     void clear(Play& play);
+    Line* line_get();
     bool is_interruptible();
+    bool is_last_line();
 
 private:
     void effects_apply(Play& play, int at);
+    void finish(Play& play);
+    void line_start(Play& play, int index, Interrupt interrupt);
 };