Files
@ r5685:0193ec7a95c5
Branch filter:
Location: cpp/openttd-patchpack/source/src/slope.h - annotation
r5685:0193ec7a95c5
1.0 KiB
text/x-c
(svn r8146) -Fix (FS#552, r8038): a C/C++ linkage problem on some very few incarnations of gcc
r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 r5475:3f5cd13d1b63 | /* $Id$ */
#ifndef SLOPE_H
#define SLOPE_H
typedef enum Slope {
SLOPE_FLAT = 0x00,
SLOPE_W = 0x01,
SLOPE_S = 0x02,
SLOPE_E = 0x04,
SLOPE_N = 0x08,
SLOPE_STEEP = 0x10,
SLOPE_NW = SLOPE_N | SLOPE_W,
SLOPE_SW = SLOPE_S | SLOPE_W,
SLOPE_SE = SLOPE_S | SLOPE_E,
SLOPE_NE = SLOPE_N | SLOPE_E,
SLOPE_EW = SLOPE_E | SLOPE_W,
SLOPE_NS = SLOPE_N | SLOPE_S,
SLOPE_ELEVATED = SLOPE_N | SLOPE_E | SLOPE_S | SLOPE_W,
SLOPE_NWS = SLOPE_N | SLOPE_W | SLOPE_S,
SLOPE_WSE = SLOPE_W | SLOPE_S | SLOPE_E,
SLOPE_SEN = SLOPE_S | SLOPE_E | SLOPE_N,
SLOPE_ENW = SLOPE_E | SLOPE_N | SLOPE_W,
SLOPE_STEEP_W = SLOPE_STEEP | SLOPE_NWS,
SLOPE_STEEP_S = SLOPE_STEEP | SLOPE_WSE,
SLOPE_STEEP_E = SLOPE_STEEP | SLOPE_SEN,
SLOPE_STEEP_N = SLOPE_STEEP | SLOPE_ENW
} Slope;
static inline bool IsSteepSlope(Slope s)
{
return (s & SLOPE_STEEP) != 0;
}
static inline Slope ComplementSlope(Slope s)
{
assert(!IsSteepSlope(s));
return (Slope)(0xF ^ s);
}
#endif /* SLOPE_H */
|