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@ r961:3e8c29636fc7
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Location: cpp/openttd-patchpack/source/ai_shared.c
r961:3e8c29636fc7
2.4 KiB
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(svn r1453) Feature: MD5 hash check for TTD files
The original TTD files are now checked with a MD5 sum to determine which version of the grf files is used and to warn about possible file corruptions. (Thanks to ledow for the original patch)
The original TTD files are now checked with a MD5 sum to determine which version of the grf files is used and to warn about possible file corruptions. (Thanks to ledow for the original patch)
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 | #include "stdafx.h"
#include "ttd.h"
#include "map.h"
#include "ai.h"
#include "vehicle.h"
int AiNew_GetRailDirection(uint tile_a, uint tile_b, uint tile_c) {
// 0 = vert
// 1 = horz
// 2 = dig up-left
// 3 = dig down-right
// 4 = dig down-left
// 5 = dig up-right
int x1, x2, x3;
int y1, y2, y3;
x1 = TileX(tile_a);
x2 = TileX(tile_b);
x3 = TileX(tile_c);
y1 = TileY(tile_a);
y2 = TileY(tile_b);
y3 = TileY(tile_c);
if (y1 == y2 && y2 == y3) return 0;
if (x1 == x2 && x2 == x3) return 1;
if (y2 > y1) {
if (x2 > x3) return 2;
else return 4;
}
if (x2 > x1) {
if (y2 > y3) return 2;
else return 5;
}
if (y1 > y2) {
if (x2 > x3) return 5;
else return 3;
}
if (x1 > x2) {
if (y2 > y3) return 4;
else return 3;
}
return 0;
}
int AiNew_GetRoadDirection(uint tile_a, uint tile_b, uint tile_c) {
int x1, x2, x3;
int y1, y2, y3;
int r;
x1 = TileX(tile_a);
x2 = TileX(tile_b);
x3 = TileX(tile_c);
y1 = TileY(tile_a);
y2 = TileY(tile_b);
y3 = TileY(tile_c);
r = 0;
if (x1 < x2) r += 8;
if (y1 < y2) r += 1;
if (x1 > x2) r += 2;
if (y1 > y2) r += 4;
if (x2 < x3) r += 2;
if (y2 < y3) r += 4;
if (x2 > x3) r += 8;
if (y2 > y3) r += 1;
return r;
}
// Get's the direction between 2 tiles seen from tile_a
int AiNew_GetDirection(uint tile_a, uint tile_b) {
if (TileY(tile_a) < TileY(tile_b)) return 1;
if (TileY(tile_a) > TileY(tile_b)) return 3;
if (TileX(tile_a) < TileX(tile_b)) return 2;
return 0;
}
// This functions looks up if this vehicle is special for this AI
// and returns his flag
uint AiNew_GetSpecialVehicleFlag(Player *p, Vehicle *v) {
int i;
for (i=0;i<AI_MAX_SPECIAL_VEHICLES;i++) {
if (p->ainew.special_vehicles[i].veh_id == v->index) {
return p->ainew.special_vehicles[i].flag;
}
}
// Not found :(
return 0;
}
bool AiNew_SetSpecialVehicleFlag(Player *p, Vehicle *v, uint flag) {
int i, new_id = -1;
for (i=0;i<AI_MAX_SPECIAL_VEHICLES;i++) {
if (p->ainew.special_vehicles[i].veh_id == v->index) {
p->ainew.special_vehicles[i].flag |= flag;
return true;
}
if (new_id == -1 && p->ainew.special_vehicles[i].veh_id == 0 &&
p->ainew.special_vehicles[i].flag == 0)
new_id = i;
}
// Out of special_vehicle spots :s
if (new_id == -1) {
DEBUG(ai, 1)("special_vehicles list is too small :(");
return false;
}
p->ainew.special_vehicles[new_id].veh_id = v->index;
p->ainew.special_vehicles[new_id].flag = flag;
return true;
}
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