(svn r3763) Adapt to the new 'map accessors go in foo_map.h'-scheme

1 files changed, 58 insertions, 0 deletions

diff --git a/clear_map.h b/clear_map.h
new file mode 100644
index 000000000..819527d95
--- /dev/null
+++ b/clear_map.h
@@ -0,0 +1,58 @@
+/* $Id$ */
+
+#ifndef CLEAR_H
+#define CLEAR_H
+
+#include "macros.h"
+#include "tile.h"
+
+/* ground type, m5 bits 2...4
+ * valid densities (bits 0...1) in comments after the enum
+ */
+typedef enum ClearGround {
+	CL_GRASS  = 0, // 0-3
+	CL_ROUGH  = 1, // 3
+	CL_ROCKS  = 2, // 3
+	CL_FIELDS = 3, // 3
+	CL_SNOW   = 4, // 0-3
+	CL_DESERT = 5  // 1,3
+} ClearGround;
+
+static inline ClearGround GetClearGround(TileIndex t) { return GB(_m[t].m5, 2, 3); }
+static inline bool IsClearGround(TileIndex t, ClearGround ct) { return GetClearGround(t) == ct; }
+
+static inline void AddClearDensity(TileIndex t, int d) { _m[t].m5 += d; }
+static inline uint GetClearDensity(TileIndex t) { return GB(_m[t].m5, 0, 2); }
+
+static inline void AddClearCounter(TileIndex t, int c) { _m[t].m5 += c << 5; }
+static inline uint GetClearCounter(TileIndex t) { return GB(_m[t].m5, 5, 3); }
+static inline void SetClearCounter(TileIndex t, uint c) { SB(_m[t].m5, 5, 3, c); }
+
+/* Sets type and density in one go, also sets the counter to 0 */
+static inline void SetClearGroundDensity(TileIndex t, ClearGround type, uint density)
+{
+	_m[t].m5 = 0 << 5 | type << 2 | density;
+}
+
+static inline uint GetFieldType(TileIndex t) { return GB(_m[t].m3, 0, 4); }
+static inline void SetFieldType(TileIndex t, uint f) { SB(_m[t].m3, 0, 4, f); }
+
+/* Is used by tree tiles, too */
+static inline uint GetFenceSE(TileIndex t) { return GB(_m[t].m4, 2, 3); }
+static inline void SetFenceSE(TileIndex t, uint h) { SB(_m[t].m4, 2, 3, h); }
+
+static inline uint GetFenceSW(TileIndex t) { return GB(_m[t].m4, 5, 3); }
+static inline void SetFenceSW(TileIndex t, uint h) { SB(_m[t].m4, 5, 3, h); }
+
+
+static inline void MakeClear(TileIndex t, ClearGround g, uint density)
+{
+	SetTileType(t, MP_CLEAR);
+	SetTileOwner(t, OWNER_NONE);
+	_m[t].m2 = 0;
+	_m[t].m3 = 0;
+	_m[t].m4 = 0 << 5 | 0 << 2;
+	_m[t].m5 = 0 << 5 | g << 2 | density;
+}
+
+#endif