diff -r 392bba57462d -r 9a5ed6c0a2e6 ai_shared.c
--- a/ai_shared.c	Fri Sep 02 16:05:59 2005 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,124 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "debug.h"
-#include "map.h"
-#include "ai_new.h"
-#include "vehicle.h"
-
-int AiNew_GetRailDirection(TileIndex tile_a, TileIndex tile_b, TileIndex 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(TileIndex tile_a, TileIndex tile_b, TileIndex 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(TileIndex tile_a, TileIndex 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;
-}