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Location: cpp/openttd-patchpack/source/src/tile.cpp - annotation
r7463:838c9d05e229
1.4 KiB
text/x-c
(svn r10964) -Update: WebTranslator2 update to 2007-08-22 22:57:00
croatian - 9 fixed, 13 changed by knovak (22)
italian - 10 fixed by lorenzodv (10)
japanese - 5 fixed by ickoonite (5)
polish - 10 fixed, 1 changed by meush (11)
slovak - 77 changed by lengyel (77)
spanish - 5 fixed by eusebio (5)
croatian - 9 fixed, 13 changed by knovak (22)
italian - 10 fixed by lorenzodv (10)
japanese - 5 fixed by ickoonite (5)
polish - 10 fixed, 1 changed by meush (11)
slovak - 77 changed by lengyel (77)
spanish - 5 fixed by eusebio (5)
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/** @file tile.cpp */
#include "stdafx.h"
#include "tile.h"
Slope GetTileSlope(TileIndex tile, uint *h)
{
uint a;
uint b;
uint c;
uint d;
uint min;
uint r;
assert(tile < MapSize());
if (TileX(tile) == MapMaxX() || TileY(tile) == MapMaxY()) {
if (h != NULL) *h = 0;
return SLOPE_FLAT;
}
min = a = TileHeight(tile);
b = TileHeight(tile + TileDiffXY(1, 0));
if (min > b) min = b;
c = TileHeight(tile + TileDiffXY(0, 1));
if (min > c) min = c;
d = TileHeight(tile + TileDiffXY(1, 1));
if (min > d) min = d;
r = SLOPE_FLAT;
if ((a -= min) != 0) r += (--a << 4) + SLOPE_N;
if ((c -= min) != 0) r += (--c << 4) + SLOPE_E;
if ((d -= min) != 0) r += (--d << 4) + SLOPE_S;
if ((b -= min) != 0) r += (--b << 4) + SLOPE_W;
if (h != NULL) *h = min * TILE_HEIGHT;
return (Slope)r;
}
uint GetTileZ(TileIndex tile)
{
if (TileX(tile) == MapMaxX() || TileY(tile) == MapMaxY()) return 0;
uint h = TileHeight(tile);
h = min(h, TileHeight(tile + TileDiffXY(1, 0)));
h = min(h, TileHeight(tile + TileDiffXY(0, 1)));
h = min(h, TileHeight(tile + TileDiffXY(1, 1)));
return h * TILE_HEIGHT;
}
uint GetTileMaxZ(TileIndex t)
{
if (TileX(t) == MapMaxX() || TileY(t) == MapMaxY()) return 0;
uint h = TileHeight(t);
h = max(h, TileHeight(t + TileDiffXY(1, 0)));
h = max(h, TileHeight(t + TileDiffXY(0, 1)));
h = max(h, TileHeight(t + TileDiffXY(1, 1)));
return h * TILE_HEIGHT;
}
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