Files
@ r7596:afd285ff90bb
Branch filter:
Location: cpp/openttd-patchpack/source/src/slope.h - annotation
r7596:afd285ff90bb
6.1 KiB
text/x-c
(svn r11123) -Update: WebTranslator2 update to 2007-09-17 12:45:29
afrikaans - 47 fixed, 52 changed by TrueTenacity (99)
brazilian_portuguese - 23 changed by fukumori (23)
bulgarian - 14 fixed by thetitan (14)
catalan - 3 changed by arnaullv (3)
croatian - 6 fixed, 12 changed by knovak (15), tperic (3)
danish - 20 fixed by ThomasA (20)
finnish - 20 fixed by habazi (20)
german - 10 fixed by Timwi (10)
hungarian - 1 fixed by miham (1)
italian - 1 fixed by lorenzodv (1)
japanese - 6 fixed by ickoonite (6)
norwegian_nynorsk - 6 fixed by pollux (6)
piglatin - 20 fixed by adammw (20)
russian - 20 fixed by Smoky555 (20)
slovak - 1 fixed by lengyel (1)
slovenian - 7 fixed by Necrolyte (7)
spanish - 1 changed by Cabu (1)
traditional_chinese - 21 fixed by xbddc (21)
afrikaans - 47 fixed, 52 changed by TrueTenacity (99)
brazilian_portuguese - 23 changed by fukumori (23)
bulgarian - 14 fixed by thetitan (14)
catalan - 3 changed by arnaullv (3)
croatian - 6 fixed, 12 changed by knovak (15), tperic (3)
danish - 20 fixed by ThomasA (20)
finnish - 20 fixed by habazi (20)
german - 10 fixed by Timwi (10)
hungarian - 1 fixed by miham (1)
italian - 1 fixed by lorenzodv (1)
japanese - 6 fixed by ickoonite (6)
norwegian_nynorsk - 6 fixed by pollux (6)
piglatin - 20 fixed by adammw (20)
russian - 20 fixed by Smoky555 (20)
slovak - 1 fixed by lengyel (1)
slovenian - 7 fixed by Necrolyte (7)
spanish - 1 changed by Cabu (1)
traditional_chinese - 21 fixed by xbddc (21)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r6420:01087f989fd1 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r6248:b940b09d7ab8 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r6248:b940b09d7ab8 r5475:3f5cd13d1b63 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r7309:28d745c1f766 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7582:dfefb1216e6f r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r7335:93bf5f4b6ce4 r5475:3f5cd13d1b63 | /* $Id$ */
/** @file slope.h Definitions of a slope.
* This file defines the enumeration and helper functions for handling
* the slope info of a tile.
*/
#ifndef SLOPE_H
#define SLOPE_H
/**
* Enumeration for the slope-type.
*
* This enumeration use the chars N,E,S,W corresponding the
* direction north, east, south and west. The top corner of a tile
* is the north-part of the tile. The whole slope is encoded with
* 5 bits, 4 bits for each corner and 1 bit for a steep-flag.
*/
enum Slope {
SLOPE_FLAT = 0x00, ///< a flat tile
SLOPE_W = 0x01, ///< the west corner of the tile is raised
SLOPE_S = 0x02, ///< the south corner of the tile is raised
SLOPE_E = 0x04, ///< the east corner of the tile is raised
SLOPE_N = 0x08, ///< the north corner of the tile is raised
SLOPE_STEEP = 0x10, ///< indicates the slope is steep
SLOPE_NW = SLOPE_N | SLOPE_W, ///< north and west corner are raised
SLOPE_SW = SLOPE_S | SLOPE_W, ///< south and west corner are raised
SLOPE_SE = SLOPE_S | SLOPE_E, ///< south and east corner are raised
SLOPE_NE = SLOPE_N | SLOPE_E, ///< north and east corner are raised
SLOPE_EW = SLOPE_E | SLOPE_W, ///< east and west corner are raised
SLOPE_NS = SLOPE_N | SLOPE_S, ///< north and south corner are raised
SLOPE_ELEVATED = SLOPE_N | SLOPE_E | SLOPE_S | SLOPE_W, ///< all corner are raised, similar to SLOPE_FLAT
SLOPE_NWS = SLOPE_N | SLOPE_W | SLOPE_S, ///< north, west and south corner are raised
SLOPE_WSE = SLOPE_W | SLOPE_S | SLOPE_E, ///< west, south and east corner are raised
SLOPE_SEN = SLOPE_S | SLOPE_E | SLOPE_N, ///< south, east and north corner are raised
SLOPE_ENW = SLOPE_E | SLOPE_N | SLOPE_W, ///< east, north and west corner are raised
SLOPE_STEEP_W = SLOPE_STEEP | SLOPE_NWS, ///< a steep slope falling to east (from west)
SLOPE_STEEP_S = SLOPE_STEEP | SLOPE_WSE, ///< a steep slope falling to north (from south)
SLOPE_STEEP_E = SLOPE_STEEP | SLOPE_SEN, ///< a steep slope falling to west (from east)
SLOPE_STEEP_N = SLOPE_STEEP | SLOPE_ENW ///< a steep slope falling to south (from north)
};
/**
* Checks if a slope is steep.
*
* @param s The given #Slope.
* @return True if the slope is steep, else false.
*/
static inline bool IsSteepSlope(Slope s)
{
return (s & SLOPE_STEEP) != 0;
}
/**
* Return the complement of a slope.
*
* This method returns the complement of a slope. The complement of a
* slope is a slope with raised corner which aren't raised in the given
* slope.
*
* @pre The slope must not be steep.
* @param s The #Slope to get the complement.
* @return a complement Slope of the given slope.
*/
static inline Slope ComplementSlope(Slope s)
{
assert(!IsSteepSlope(s));
return (Slope)(0xF ^ s);
}
/**
* Returns the highest corner of a slope (one corner raised or a steep slope).
*
* @pre The slope must be a slope with one corner raised or a steep slope.
* @param s The #Slope.
* @return Number of the highest corner. (0 west, 1 south, 2 east, 3 north)
*/
static inline byte GetHighestSlopeCorner(Slope s)
{
switch (s) {
case SLOPE_W:
case SLOPE_STEEP_W: return 0;
case SLOPE_S:
case SLOPE_STEEP_S: return 1;
case SLOPE_E:
case SLOPE_STEEP_E: return 2;
case SLOPE_N:
case SLOPE_STEEP_N: return 3;
default: NOT_REACHED();
}
}
/**
* Returns the height of the highest corner of a slope relative to TileZ (= minimal height)
*
* @param s The #Slope.
* @return Relative height of highest corner.
*/
static inline uint GetSlopeMaxZ(Slope s)
{
if (s == SLOPE_FLAT) return 0;
if (IsSteepSlope(s)) return 2 * TILE_HEIGHT;
return TILE_HEIGHT;
}
/**
* Enumeration for Foundations.
*/
enum Foundation {
FOUNDATION_NONE, ///< The tile has no foundation, the slope remains unchanged.
FOUNDATION_LEVELED, ///< The tile is leveled up to a flat slope.
FOUNDATION_INCLINED_X, ///< The tile has an along X-axis inclined foundation.
FOUNDATION_INCLINED_Y, ///< The tile has an along Y-axis inclined foundation.
FOUNDATION_STEEP_LOWER, ///< The tile has a steep slope. The lowerst corner is raised by a foundation to allow building railroad on the lower halftile.
FOUNDATION_STEEP_HIGHER, ///< The tile has a steep slope. Three corners are raised by a foundation to allow building railroad on the higher halftile.
};
/**
* Tests for FOUNDATION_NONE.
*
* @param f Maybe a #Foundation.
* @return true iff f is a foundation.
*/
static inline bool IsFoundation(Foundation f)
{
return f != FOUNDATION_NONE;
}
/**
* Tests if the foundation is a leveled foundation.
*
* @param f The #Foundation.
* @return true iff f is a leveled foundation.
*/
static inline bool IsLeveledFoundation(Foundation f)
{
return f == FOUNDATION_LEVELED;
}
/**
* Tests if the foundation is an inclined foundation.
*
* @param f The #Foundation.
* @return true iff f is an inclined foundation.
*/
static inline bool IsInclinedFoundation(Foundation f)
{
return (f == FOUNDATION_INCLINED_X) || (f == FOUNDATION_INCLINED_Y);
}
/**
* Returns the foundation needed to flatten a slope.
* The returned foundation is either FOUNDATION_NONE if the tile was already flat, or FOUNDATION_LEVELED.
*
* @pre The slope must not be steep.
* @param s The current #Slope.
* @return The needed #Foundation.
*/
static inline Foundation FlatteningFoundation(Slope s)
{
assert(!IsSteepSlope(s));
return (s == SLOPE_FLAT ? FOUNDATION_NONE : FOUNDATION_LEVELED);
}
/**
* Returns the along a specific axis inclined foundation.
*
* @param axis The #Axis.
* @return The needed #Foundation.
*/
static inline Foundation InclinedFoundation(Axis axis)
{
return (axis == AXIS_X ? FOUNDATION_INCLINED_X : FOUNDATION_INCLINED_Y);
}
#endif /* SLOPE_H */
|