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Location: cpp/openttd-patchpack/source/src/ai/api/ai_tunnel.cpp
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(svn r15027) -Merge: tomatos and bananas left to be, here is NoAI for all to see.
NoAI is an API (a framework) to build your own AIs in. See:
http://wiki.openttd.org/wiki/index.php/AI:Main_Page
With many thanks to:
- glx and Rubidium for their syncing, feedback and hard work
- Yexo for his feedback, patches, and AIs which tested the system very deep
- Morloth for his feedback and patches
- TJIP for hosting a challenge which kept NoAI on track
- All AI authors for testing our AI API, and all other people who helped in one way or another
-Remove: all old AIs and their cheats/hacks
NoAI is an API (a framework) to build your own AIs in. See:
http://wiki.openttd.org/wiki/index.php/AI:Main_Page
With many thanks to:
- glx and Rubidium for their syncing, feedback and hard work
- Yexo for his feedback, patches, and AIs which tested the system very deep
- Morloth for his feedback and patches
- TJIP for hosting a challenge which kept NoAI on track
- All AI authors for testing our AI API, and all other people who helped in one way or another
-Remove: all old AIs and their cheats/hacks
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | /* $Id$ */
/** @file ai_tunnel.cpp Implementation of AITunnel. */
#include "ai_tunnel.hpp"
#include "ai_map.hpp"
#include "ai_rail.hpp"
#include "../ai_instance.hpp"
#include "../../openttd.h"
#include "../../landscape.h"
#include "../../tunnel_map.h"
#include "../../road_type.h"
#include "../../command_func.h"
#include "../../tunnelbridge.h"
#include "../../road_func.h"
/* static */ bool AITunnel::IsTunnelTile(TileIndex tile)
{
if (!::IsValidTile(tile)) return false;
return ::IsTunnelTile(tile);
}
/* static */ TileIndex AITunnel::GetOtherTunnelEnd(TileIndex tile)
{
if (!::IsValidTile(tile)) return INVALID_TILE;
/* If it's a tunnel alread, take the easy way out! */
if (IsTunnelTile(tile)) return ::GetOtherTunnelEnd(tile);
::DoCommand(tile, 0, 0, DC_AUTO, CMD_BUILD_TUNNEL);
return _build_tunnel_endtile == 0 ? INVALID_TILE : _build_tunnel_endtile;
}
static void _DoCommandReturnBuildTunnel2(class AIInstance *instance)
{
if (!AITunnel::_BuildTunnelRoad2()) {
AIObject::SetLastCommandRes(false);
AIInstance::DoCommandReturn(instance);
return;
}
/* This can never happen, as in test-mode this callback is never executed,
* and in execute-mode, the other callback is called. */
NOT_REACHED();
}
static void _DoCommandReturnBuildTunnel1(class AIInstance *instance)
{
if (!AITunnel::_BuildTunnelRoad1()) {
AIObject::SetLastCommandRes(false);
AIInstance::DoCommandReturn(instance);
return;
}
/* This can never happen, as in test-mode this callback is never executed,
* and in execute-mode, the other callback is called. */
NOT_REACHED();
}
/* static */ bool AITunnel::BuildTunnel(AIVehicle::VehicleType vehicle_type, TileIndex start)
{
EnforcePrecondition(false, ::IsValidTile(start));
EnforcePrecondition(false, vehicle_type == AIVehicle::VEHICLE_RAIL || vehicle_type == AIVehicle::VEHICLE_ROAD);
EnforcePrecondition(false, vehicle_type != AIVehicle::VEHICLE_RAIL || AIRail::IsRailTypeAvailable(AIRail::GetCurrentRailType()));
uint type = 0;
if (vehicle_type == AIVehicle::VEHICLE_ROAD) {
type |= (TRANSPORT_ROAD << 9);
type |= RoadTypeToRoadTypes((::RoadType)AIObject::GetRoadType());
} else {
type |= (TRANSPORT_RAIL << 9);
type |= AIRail::GetCurrentRailType();
}
/* For rail we do nothing special */
if (vehicle_type == AIVehicle::VEHICLE_RAIL) {
return AIObject::DoCommand(start, type, 0, CMD_BUILD_TUNNEL);
}
AIObject::SetCallbackVariable(0, start);
if (!AIObject::DoCommand(start, type, 0, CMD_BUILD_TUNNEL, NULL, &_DoCommandReturnBuildTunnel1)) return false;
/* In case of test-mode, test if we can build both road pieces */
return _BuildTunnelRoad1();
}
/* static */ bool AITunnel::_BuildTunnelRoad1()
{
/* Build the piece of road on the 'start' side of the tunnel */
TileIndex end = AIObject::GetCallbackVariable(0);
TileIndex start = AITunnel::GetOtherTunnelEnd(end);
DiagDirection dir_1 = (DiagDirection)((::TileX(start) == ::TileX(end)) ? (::TileY(start) < ::TileY(end) ? DIAGDIR_NW : DIAGDIR_SE) : (::TileX(start) < ::TileX(end) ? DIAGDIR_NE : DIAGDIR_SW));
DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
if (!AIObject::DoCommand(start + ::TileOffsByDiagDir(dir_1), ::DiagDirToRoadBits(dir_2) | (AIObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD, NULL, &_DoCommandReturnBuildTunnel2)) return false;
/* In case of test-mode, test the other road piece too */
return _BuildTunnelRoad2();
}
/* static */ bool AITunnel::_BuildTunnelRoad2()
{
/* Build the piece of road on the 'end' side of the tunnel */
TileIndex end = AIObject::GetCallbackVariable(0);
TileIndex start = AITunnel::GetOtherTunnelEnd(end);
DiagDirection dir_1 = (DiagDirection)((::TileX(start) == ::TileX(end)) ? (::TileY(start) < ::TileY(end) ? DIAGDIR_NW : DIAGDIR_SE) : (::TileX(start) < ::TileX(end) ? DIAGDIR_NE : DIAGDIR_SW));
DiagDirection dir_2 = ::ReverseDiagDir(dir_1);
return AIObject::DoCommand(end + ::TileOffsByDiagDir(dir_2), ::DiagDirToRoadBits(dir_1) | (AIObject::GetRoadType() << 4), 0, CMD_BUILD_ROAD);
}
/* static */ bool AITunnel::RemoveTunnel(TileIndex tile)
{
EnforcePrecondition(false, IsTunnelTile(tile));
return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
}
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