From de4a228f8a3b4889d484bc955bae463cee2c6a25 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Tue, 12 Jun 2018 00:05:11 +0200
Subject: [PATCH] added (optional) tape buttons to insert or play solution tape

---
 src/conf_gfx.c |  8 ++++++++
 src/events.c   |  5 +++++
 src/tape.c     | 47 +++++++++++++++++++++++++++++++++++++++++++----
 src/tape.h     |  5 ++++-
 4 files changed, 60 insertions(+), 5 deletions(-)

diff --git a/src/conf_gfx.c b/src/conf_gfx.c
index 2b4d4199..2d3d99eb 100644
--- a/src/conf_gfx.c
+++ b/src/conf_gfx.c
@@ -6233,6 +6233,9 @@ struct ConfigInfo image_config[] =
   { "gfx.tape.button.play.height",		"18"			},
   { "gfx.tape.button.play.pressed_xoffset",	"-100"			},
 
+  { "gfx.tape.button.insert_solution",		UNDEFINED_FILENAME	},
+  { "gfx.tape.button.play_solution",		UNDEFINED_FILENAME	},
+
   { "gfx.tape.symbol.eject",			UNDEFINED_FILENAME	},
   { "gfx.tape.symbol.stop",			UNDEFINED_FILENAME	},
   { "gfx.tape.symbol.pause",			"RocksDoor.png"		},
@@ -9072,6 +9075,11 @@ struct ConfigInfo image_config[] =
   { "tape.button.play.x",			"77"			},
   { "tape.button.play.y",			"77"			},
 
+  { "tape.button.insert_solution.x",		"-1"			},
+  { "tape.button.insert_solution.y",		"-1"			},
+  { "tape.button.play_solution.x",		"-1"			},
+  { "tape.button.play_solution.y",		"-1"			},
+
   { "tape.symbol.eject.x",			"-1"			},
   { "tape.symbol.eject.y",			"-1"			},
   { "tape.symbol.stop.x",			"-1"			},
diff --git a/src/events.c b/src/events.c
index dd3e88af..c1a5cbc1 100644
--- a/src/events.c
+++ b/src/events.c
@@ -1675,6 +1675,11 @@ static void HandleKeysSpecial(Key key)
     {
       InsertSolutionTape();
     }
+    else if (is_string_suffix(cheat_input, ":play-solution-tape") ||
+	     is_string_suffix(cheat_input, ":pst"))
+    {
+      PlaySolutionTape();
+    }
     else if (is_string_suffix(cheat_input, ":reload-graphics") ||
 	     is_string_suffix(cheat_input, ":rg"))
     {
diff --git a/src/tape.c b/src/tape.c
index 447ce12c..fa73f3f9 100644
--- a/src/tape.c
+++ b/src/tape.c
@@ -28,8 +28,10 @@
 #define TAPE_CTRL_ID_PAUSE			3
 #define TAPE_CTRL_ID_RECORD			4
 #define TAPE_CTRL_ID_PLAY			5
+#define TAPE_CTRL_ID_INSERT_SOLUTION		6
+#define TAPE_CTRL_ID_PLAY_SOLUTION		7
 
-#define NUM_TAPE_BUTTONS			6
+#define NUM_TAPE_BUTTONS			8
 
 /* values for tape handling */
 #define TAPE_PAUSE_SECONDS_BEFORE_DEATH		5
@@ -1077,7 +1079,7 @@ void TapeQuickLoad()
   }
 }
 
-void InsertSolutionTape()
+boolean InsertSolutionTape()
 {
   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
 			    level.native_sp_level->demo.is_available);
@@ -1086,18 +1088,37 @@ void InsertSolutionTape()
   {
     Request("No solution tape for this level!", REQ_CONFIRM);
 
-    return;
+    return FALSE;
   }
 
+  if (!TAPE_IS_STOPPED(tape))
+    TapeStop();
+
   // if tape recorder already contains a tape, remove it without asking
   TapeErase();
 
   LoadSolutionTape(level_nr);
 
+  DrawCompleteVideoDisplay();
+
   if (TAPE_IS_EMPTY(tape))
+  {
     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
 
-  DrawCompleteVideoDisplay();
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+boolean PlaySolutionTape()
+{
+  if (!InsertSolutionTape())
+    return FALSE;
+
+  TapeStartGamePlaying();
+
+  return TRUE;
 }
 
 
@@ -1273,6 +1294,14 @@ static struct
   {
     IMG_GFX_TAPE_BUTTON_PLAY,		&tape.button.play,
     TAPE_CTRL_ID_PLAY,			"play tape"
+  },
+  {
+    IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
+    TAPE_CTRL_ID_INSERT_SOLUTION,	"insert solution tape"
+  },
+  {
+    IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,	&tape.button.play_solution,
+    TAPE_CTRL_ID_PLAY_SOLUTION,		"play solution tape"
   }
 };
 
@@ -1503,6 +1532,16 @@ static void HandleTapeButtonsExt(int id)
 
       break;
 
+    case TAPE_CTRL_ID_INSERT_SOLUTION:
+      InsertSolutionTape();
+
+      break;
+
+    case TAPE_CTRL_ID_PLAY_SOLUTION:
+      PlaySolutionTape();
+
+      break;
+
     default:
       break;
   }
diff --git a/src/tape.h b/src/tape.h
index ab3fd55c..0924395c 100644
--- a/src/tape.h
+++ b/src/tape.h
@@ -109,6 +109,8 @@ struct TapeButtonInfo
   struct XY pause;
   struct XY record;
   struct XY play;
+  struct XY insert_solution;
+  struct XY play_solution;
 };
 
 struct TapeSymbolInfo
@@ -231,7 +233,8 @@ unsigned int GetTapeLengthFrames(void);
 unsigned int GetTapeLengthSeconds(void);
 void TapeQuickSave(void);
 void TapeQuickLoad(void);
-void InsertSolutionTape(void);
+boolean InsertSolutionTape(void);
+boolean PlaySolutionTape(void);
 
 void AutoPlayTape(void);
 
-- 
2.34.1