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Location: cpp/openttd-patchpack/source/src/tile_map.cpp - annotation
r8781:bd977c904a17
1.4 KiB
text/x-c
(svn r12482) -Fix: [build train] we don't need to have a depot in order to just check the price of a rail vehicle so don't check for compatible rails on the tile either
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot
also wagons will only need tracks they can drive on in order to be build so there is no reason to check for power in the depot
r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8348:e6507808d2e7 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8113:7815c26d7612 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 r8108:1d5bdeea7e20 | /* $Id$ */
/** @file tile_map.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "tile_map.h"
#include "core/math_func.hpp"
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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