Files @ r4603:3b159d0db197
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Location: cpp/openttd-patchpack/source/unmovable_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.
/* $Id$ */

enum {
	HQ_NUM_TILE = 4,
	HQ_NUM_SIZE = 5
};

typedef enum UnmovableType {
	UNMOVABLE_TRANSMITTER = 0,
	UNMOVABLE_LIGHTHOUSE  = 1,
	UNMOVABLE_STATUE      = 2,
	UNMOVABLE_OWNED_LAND  = 3,
	UNMOVABLE_HQ_NORTH    = 0x80,
	UNMOVABLE_HQ_WEST     = 0x81,
	UNMOVABLE_HQ_EAST     = 0x82,
	UNMOVABLE_HQ_SOUTH    = 0x83,

	UNMOVABLE_HQ_END      = UNMOVABLE_HQ_NORTH + HQ_NUM_SIZE * HQ_NUM_TILE
} UnmovableType;



static inline UnmovableType GetUnmovableType(TileIndex t)
{
	assert(IsTileType(t, MP_UNMOVABLE));
	return _m[t].m5;
}


static inline bool IsTransmitterTile(TileIndex t)
{
	return
		IsTileType(t, MP_UNMOVABLE) &&
		GetUnmovableType(t) == UNMOVABLE_TRANSMITTER;
}


static inline bool IsOwnedLand(TileIndex t)
{
	assert(IsTileType(t, MP_UNMOVABLE));
	return GetUnmovableType(t) == UNMOVABLE_OWNED_LAND;
}

static inline bool IsOwnedLandTile(TileIndex t)
{
	return IsTileType(t, MP_UNMOVABLE) && IsOwnedLand(t);
}

static inline bool IsCompanyHQ(TileIndex t)
{
	return IS_INT_INSIDE(GetUnmovableType(t), UNMOVABLE_HQ_NORTH, UNMOVABLE_HQ_END);
}

static inline byte GetCompanyHQSize(TileIndex t)
{
	assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
	return GB(_m[t].m5, 2, 3);
}

static inline byte GetCompanyHQSection(TileIndex t)
{
	assert(IsTileType(t, MP_UNMOVABLE) && IsCompanyHQ(t));
	return GB(_m[t].m5, 0, 5);
}


static inline void EnlargeCompanyHQ(TileIndex t, byte size)
{
	size *= 4;
	if (size <= _m[t].m5 - UNMOVABLE_HQ_NORTH) return;

	_m[t + TileDiffXY(0, 0)].m5 = UNMOVABLE_HQ_NORTH + size;
	_m[t + TileDiffXY(0, 1)].m5 = UNMOVABLE_HQ_WEST  + size;
	_m[t + TileDiffXY(1, 0)].m5 = UNMOVABLE_HQ_EAST  + size;
	_m[t + TileDiffXY(1, 1)].m5 = UNMOVABLE_HQ_SOUTH + size;
}


static inline void MakeUnmovable(TileIndex t, UnmovableType u, Owner o)
{
	SetTileType(t, MP_UNMOVABLE);
	SetTileOwner(t, o);
	_m[t].m2 = 0;
	_m[t].m3 = 0;
	_m[t].m4 = 0;
	_m[t].m5 = u;
}


static inline void MakeTransmitter(TileIndex t)
{
	MakeUnmovable(t, UNMOVABLE_TRANSMITTER, OWNER_NONE);
}

static inline void MakeLighthouse(TileIndex t)
{
	MakeUnmovable(t, UNMOVABLE_LIGHTHOUSE, OWNER_NONE);
}

static inline void MakeStatue(TileIndex t, Owner o)
{
	MakeUnmovable(t, UNMOVABLE_STATUE, o);
}

static inline void MakeOwnedLand(TileIndex t, Owner o)
{
	MakeUnmovable(t, UNMOVABLE_OWNED_LAND, o);
}

static inline void MakeCompanyHQ(TileIndex t, Owner o)
{
	MakeUnmovable(t + TileDiffXY(0, 0), UNMOVABLE_HQ_NORTH, o);
	MakeUnmovable(t + TileDiffXY(0, 1), UNMOVABLE_HQ_WEST, o);
	MakeUnmovable(t + TileDiffXY(1, 0), UNMOVABLE_HQ_EAST, o);
	MakeUnmovable(t + TileDiffXY(1, 1), UNMOVABLE_HQ_SOUTH, o);
}