Files @ r4603:3b159d0db197
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Location: cpp/openttd-patchpack/source/tree_map.h

peter1138
(svn r6455) - Feature: Add 2cc (two company colours) livery schemes. This replaces the original colour selection window and bumps the saveload version. Liveries are supported for all vehicles, not just those with 2cc support. Thanks to lakie for GUI inspiration.
/* $Id$ */

#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 _m[t].m3;
}


static inline TreeGround GetTreeGround(TileIndex t)
{
	assert(IsTileType(t, MP_TREES));
	return 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