From d6cdd73c614433eb90eede7cf5cc512b0ef0b721 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Fri, 17 Feb 2017 23:15:25 +0100
Subject: [PATCH] fixed mapping level file game elements between RND and MM
 formats

---
 src/game_mm/export.h | 35 ++++++++++++++++++++++++--------
 src/tools.c          | 48 ++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 73 insertions(+), 10 deletions(-)

diff --git a/src/game_mm/export.h b/src/game_mm/export.h
index 2bbd5dc4..b36ab430 100644
--- a/src/game_mm/export.h
+++ b/src/game_mm/export.h
@@ -18,17 +18,36 @@
 #define MM_MAX_PLAYFIELD_SIZE		(MM_MAX_PLAYFIELD_WIDTH *	\
 					 MM_MAX_PLAYFIELD_HEIGHT)
 
-#define MAX_NUM_AMOEBA		100
-#define MAX_NUM_BEAMERS		8
+#define MAX_NUM_AMOEBA			100
+#define MAX_NUM_BEAMERS			8
 
-#define MAX_LASER_LEN		256
-#define MAX_LASER_ENERGY	100
-#define MAX_LASER_OVERLOAD	100
+#define MAX_LASER_LEN			256
+#define MAX_LASER_ENERGY		100
+#define MAX_LASER_OVERLOAD		100
 
-#define MM_LEVEL_SCORE_ELEMENTS	16
+#define MM_LEVEL_SCORE_ELEMENTS		16
 
-#define MM_MAX_LEVEL_NAME_LEN	32
-#define MM_MAX_LEVEL_AUTHOR_LEN	32
+#define MM_MAX_LEVEL_NAME_LEN		32
+#define MM_MAX_LEVEL_AUTHOR_LEN		32
+
+
+#define EL_EMPTY_NATIVE_MM		0
+#define EL_DF_EMPTY_NATIVE_MM		304
+
+#define EL_MM_START_NATIVE_MM		0
+#define EL_MM_END_NATIVE_MM		430
+
+#define EL_CHAR_START_NATIVE_MM		160
+#define EL_CHAR_END_NATIVE_MM		239
+
+#define EL_DF_START_NATIVE_MM		240
+#define EL_DF_END_NATIVE_MM		355
+
+#define EL_MM_RUNTIME_START_NATIVE_MM	500
+#define EL_MM_RUNTIME_END_NATIVE_MM	504
+
+#define EL_MM_DUMMY_START_NATIVE_MM	700
+#define EL_MM_DUMMY_END_NATIVE_MM	709
 
 
 /* ------------------------------------------------------------------------- */
diff --git a/src/tools.c b/src/tools.c
index fcc82f30..fb1fc5ed 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -7230,12 +7230,56 @@ int map_action_SP_to_RND(int action_sp)
 
 int map_element_RND_to_MM(int element_rnd)
 {
-  return (element_rnd > 1000 ? element_rnd - 1000 : 0);
+  return (element_rnd >= EL_CHAR_START &&
+	  element_rnd <= EL_CHAR_END ?
+	  EL_CHAR_START_NATIVE_MM + element_rnd - EL_CHAR_START :
+
+	  element_rnd >= EL_DF_START &&
+	  element_rnd <= EL_DF_END ?
+	  EL_DF_START_NATIVE_MM + element_rnd - EL_DF_START :
+
+	  element_rnd >= EL_MM_START &&
+	  element_rnd <= EL_MM_END ?
+	  EL_MM_START_NATIVE_MM + element_rnd - EL_MM_START :
+
+	  element_rnd >= EL_MM_RUNTIME_START &&
+	  element_rnd <= EL_MM_RUNTIME_END ?
+	  EL_MM_RUNTIME_START_NATIVE_MM + element_rnd - EL_MM_RUNTIME_START :
+
+	  element_rnd >= EL_MM_DUMMY_START &&
+	  element_rnd <= EL_MM_DUMMY_END ?
+	  EL_MM_DUMMY_START_NATIVE_MM + element_rnd - EL_MM_DUMMY_START :
+
+	  EL_EMPTY_NATIVE_MM);
 }
 
 int map_element_MM_to_RND(int element_mm)
 {
-  return 1000 + element_mm;
+  return (element_mm == EL_EMPTY_NATIVE_MM ||
+	  element_mm == EL_DF_EMPTY_NATIVE_MM ?
+	  EL_EMPTY :
+
+	  element_mm >= EL_CHAR_START_NATIVE_MM &&
+	  element_mm <= EL_CHAR_END_NATIVE_MM ?
+	  EL_CHAR_START + element_mm - EL_CHAR_START_NATIVE_MM :
+
+	  element_mm >= EL_DF_START_NATIVE_MM &&
+	  element_mm <= EL_DF_END_NATIVE_MM ?
+	  EL_DF_START + element_mm - EL_DF_START_NATIVE_MM :
+
+	  element_mm >= EL_MM_START_NATIVE_MM &&
+	  element_mm <= EL_MM_END_NATIVE_MM ?
+	  EL_MM_START + element_mm - EL_MM_START_NATIVE_MM :
+
+	  element_mm >= EL_MM_RUNTIME_START_NATIVE_MM &&
+	  element_mm <= EL_MM_RUNTIME_END_NATIVE_MM ?
+	  EL_MM_RUNTIME_START + element_mm - EL_MM_RUNTIME_START_NATIVE_MM :
+
+	  element_mm >= EL_MM_DUMMY_START_NATIVE_MM &&
+	  element_mm <= EL_MM_DUMMY_END_NATIVE_MM ?
+	  EL_MM_DUMMY_START + element_mm - EL_MM_DUMMY_START_NATIVE_MM :
+
+	  EL_EMPTY);
 }
 
 int get_next_element(int element)
-- 
2.34.1