Files @ r5625:52b2115bd185
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Location: cpp/openttd-patchpack/source/src/tree_map.h

miham
(svn r8084) [Translations] Added nynorsk translation (pollux), renamed norwegian to norwegian bokmal, moved nynorsk to finished languages, and updated project files.
Strings pending to nynorsk will be preserved if they are differ from the current translation
/* $Id$ */

#ifndef TREE_MAP_H
#define TREE_MAP_H

#include "macros.h"

typedef enum TreeType {
	TREE_INVALID      = -1,
	TREE_TEMPERATE    = 0,
	TREE_SUB_ARCTIC   = 12,
	TREE_RAINFOREST   = 20,
	TREE_CACTUS       = 27,
	TREE_SUB_TROPICAL = 28,
	TREE_TOYLAND      = 32
} TreeType;

enum {
	TREE_COUNT_TEMPERATE    = TREE_SUB_ARCTIC   - TREE_TEMPERATE,
	TREE_COUNT_SUB_ARCTIC   = TREE_RAINFOREST   - TREE_SUB_ARCTIC,
	TREE_COUNT_RAINFOREST   = TREE_CACTUS       - TREE_RAINFOREST,
	TREE_COUNT_SUB_TROPICAL = TREE_SUB_TROPICAL - TREE_CACTUS,
	TREE_COUNT_TOYLAND      = 9
};

/* ground type, m2 bits 4...5
 * valid densities (bits 6...7) in comments after the enum */
typedef enum TreeGround {
	TREE_GROUND_GRASS       = 0, // 0
	TREE_GROUND_ROUGH       = 1, // 0
	TREE_GROUND_SNOW_DESERT = 2  // 0-3 for snow, 3 for desert
} TreeGround;


static inline TreeType GetTreeType(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return (TreeType)_m[t].m3;
}


static inline TreeGround GetTreeGround(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return (TreeGround)GB(_m[t].m2, 4, 2);
}


static inline uint GetTreeDensity(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m2, 6, 2);
}


static inline void SetTreeGroundDensity(TileIndex t, TreeGround g, uint d)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m2, 4, 2, g);
	SB(_m[t].m2, 6, 2, d);
}


static inline uint GetTreeCount(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m5, 6, 2);
}

static inline void AddTreeCount(TileIndex t, int c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m5 += c << 6;
}

static inline void SetTreeCount(TileIndex t, uint c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m5, 6, 2, c);
}


static inline uint GetTreeGrowth(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m5, 0, 3);
}

static inline void AddTreeGrowth(TileIndex t, int a)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m5 += a;
}

static inline void SetTreeGrowth(TileIndex t, uint g)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m5, 0, 3, g);
}


static inline uint GetTreeCounter(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return GB(_m[t].m2, 0, 4);
}

static inline void AddTreeCounter(TileIndex t, int a)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	_m[t].m2 += a;
}

static inline void SetTreeCounter(TileIndex t, uint c)
{
	assert(IsTileType(t, MP_TREES)); // XXX incomplete
	SB(_m[t].m2, 0, 4, c);
}


static inline void MakeTree(TileIndex t, TreeType type, uint count, uint growth, TreeGround ground, uint density)
{
	SetTileType(t, MP_TREES);
	SetTileOwner(t, OWNER_NONE);
	_m[t].m2 = density << 6 | ground << 4 | 0;
	_m[t].m3 = type;
	_m[t].m4 = 0 << 5 | 0 << 2;
	_m[t].m5 = count << 6 | growth;
}

#endif /* TREE_MAP_H */