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/* $Id$ */

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/** @file ai_gui.cpp */

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#include "../stdafx.h"

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#include "../openttd.h"

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#include "../gui.h"

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#include "../window_gui.h"

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#include "../player_func.h"

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#include "../player_base.h"

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#include "../player_gui.h"

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#include "../economy_func.h"

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#include "../variables.h"

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#include "../cargotype.h"

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#include "../strings_func.h"

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#include "../core/alloc_func.hpp"

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#include "../window_func.h"

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#include "../date_func.h"

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#include "../gfx_func.h"

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#include "../debug.h"

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#include "../command_func.h"

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#include "ai.h"

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#include "api/ai_types.hpp"

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#include "api/ai_controller.hpp"

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#include "api/ai_object.hpp"

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#include "api/ai_log.hpp"

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#include "ai_info.hpp"

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#include "table/strings.h"

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#include "../table/sprites.h"

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extern AIInfo *AI_GetPlayerInfo(PlayerID player);

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struct AIDebugWindow : public Window {

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	enum AIDebugWindowWidgets {

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		AID_WIDGET_CLOSEBOX = 0,

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		AID_WIDGET_CAPTION,

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		AID_WIDGET_VIEW,

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		AID_WIDGET_NAME_TEXT,

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		AID_WIDGET_RELOAD_TOGGLE,

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		AID_WIDGET_LOG_PANEL,

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		AID_WIDGET_UNUSED_1,

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		AID_WIDGET_UNUSED_2,

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		AID_WIDGET_UNUSED_3,

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		AID_WIDGET_UNUSED_4,

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		AID_WIDGET_UNUSED_5,

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		AID_WIDGET_UNUSED_6,

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		AID_WIDGET_UNUSED_7,

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		AID_WIDGET_COMPANY_BUTTON_START,

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		AID_WIDGET_COMPANY_BUTTON_END = AID_WIDGET_COMPANY_BUTTON_START + 8,

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	};

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	static PlayerID ai_debug_player;

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	int redraw_timer;

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	AIDebugWindow(const WindowDesc *desc, WindowNumber number) : Window(desc, number)

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	{

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		/* Disable the players who are not active or not an AI */

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		for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) {

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			this->SetWidgetDisabledState(i + AID_WIDGET_COMPANY_BUTTON_START, !GetPlayer(i)->is_active || !GetPlayer(i)->is_ai);

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		}

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		this->DisableWidget(AID_WIDGET_RELOAD_TOGGLE);

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		if (ai_debug_player != INVALID_PLAYER) this->LowerWidget(ai_debug_player + AID_WIDGET_COMPANY_BUTTON_START);

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		this->FindWindowPlacementAndResize(desc);

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	}

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	virtual void OnPaint()

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	{

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		/* Check if the currently selected player is still active. */

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		if (ai_debug_player == INVALID_PLAYER || !GetPlayer(ai_debug_player)->is_active) {

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			if (ai_debug_player != INVALID_PLAYER) {

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				/* Raise and disable the widget for the previous selection. */

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				this->RaiseWidget(ai_debug_player + AID_WIDGET_COMPANY_BUTTON_START);

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				this->DisableWidget(ai_debug_player + AID_WIDGET_COMPANY_BUTTON_START);

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				ai_debug_player = INVALID_PLAYER;

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			}

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			for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) {

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				if (GetPlayer(i)->is_active && GetPlayer(i)->is_ai) {

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					/* Lower the widget corresponding to this player. */

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					this->LowerWidget(i + AID_WIDGET_COMPANY_BUTTON_START);

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					ai_debug_player = i;

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					break;

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				}

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			}

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		}

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		/* Update "Reload AI" button */

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		this->SetWidgetDisabledState(AID_WIDGET_RELOAD_TOGGLE, ai_debug_player == INVALID_PLAYER);

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		/* Draw standard stuff */

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		this->DrawWidgets();

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		/* If there are no active players, don't display anything else. */

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		if (ai_debug_player == INVALID_PLAYER) return;

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		/* Paint the player icons */

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		for (PlayerID i = PLAYER_FIRST; i < MAX_PLAYERS; i++) {

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			if (!GetPlayer(i)->is_active || !GetPlayer(i)->is_ai) {

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				/* Check if we have the player as an active player */

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				if (!this->IsWidgetDisabled(i + AID_WIDGET_COMPANY_BUTTON_START)) {

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					/* Bah, player gone :( */

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					this->DisableWidget(i + AID_WIDGET_COMPANY_BUTTON_START);

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					/* We need a repaint */

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					this->SetDirty();

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				}

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				continue;

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			}

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			/* Check if we have the player marked as inactive */

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			if (this->IsWidgetDisabled(i + AID_WIDGET_COMPANY_BUTTON_START)) {

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				/* New AI! Yippie :p */

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				this->EnableWidget(i + AID_WIDGET_COMPANY_BUTTON_START);

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				/* We need a repaint */

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				this->SetDirty();

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			}

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			byte x = (i == ai_debug_player) ? 1 : 0;

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			DrawPlayerIcon(i, i * 37 + 13 + x, 16 + x);

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		}

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		/* Draw the AI name */

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		AIInfo *info = AI_GetPlayerInfo(ai_debug_player);

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		assert(info != NULL);

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		DoDrawString(info->GetName(), 7, 34, TC_BLACK);

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		PlayerID old_cp = _current_player;

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		_current_player = ai_debug_player;

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		if (AIObject::GetLogPointer() == NULL) {

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			_current_player = old_cp;

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			return;

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		}

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		AILog::LogData *log = (AILog::LogData *)AIObject::GetLogPointer();

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		for (int i = 0; i < log->count; i++) {

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			uint pos = (log->count + log->pos - i) % log->count;

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			if (log->lines[pos] == NULL) break;

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			int y = 12 * i;

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			if (y >= this->widget[AID_WIDGET_LOG_PANEL].bottom - this->widget[AID_WIDGET_LOG_PANEL].top - 12) break;

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			uint colour;

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			switch (log->type[pos]) {

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				case AILog::LOG_SQ_INFO:  colour = TC_BLACK;  break;

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				case AILog::LOG_SQ_ERROR: colour = TC_RED;    break;

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				case AILog::LOG_INFO:     colour = TC_BLACK;  break;

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				case AILog::LOG_WARNING:  colour = TC_YELLOW; break;

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				case AILog::LOG_ERROR:    colour = TC_RED;    break;

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				default:                  colour = TC_BLACK;  break;

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			}

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			DoDrawStringTruncated(log->lines[pos], 7, this->widget[AID_WIDGET_LOG_PANEL].top + 6 + y, colour, this->widget[AID_WIDGET_LOG_PANEL].right - this->widget[AID_WIDGET_LOG_PANEL].left - 14);

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		}

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		_current_player = old_cp;

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	}

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	virtual void OnClick(Point pt, int widget)

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	{

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		/* Check which button is clicked */

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		if (IsInsideMM(widget, AID_WIDGET_COMPANY_BUTTON_START, AID_WIDGET_COMPANY_BUTTON_END)) {

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			/* Is it no on disable? */

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			if (!this->IsWidgetDisabled(widget)) {

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				this->RaiseWidget(ai_debug_player + AID_WIDGET_COMPANY_BUTTON_START);

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				ai_debug_player = (PlayerID)(widget - AID_WIDGET_COMPANY_BUTTON_START);

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				this->LowerWidget(ai_debug_player + AID_WIDGET_COMPANY_BUTTON_START);

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				this->SetDirty();

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			}

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		}

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		if (widget == AID_WIDGET_RELOAD_TOGGLE && !this->IsWidgetDisabled(widget)) {

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			/* Set the current AI as forced next AI */

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			AIInfo *info = AI_GetPlayerInfo(ai_debug_player);

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			AI_ForceAI(info->GetName());

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			/* First kill the company of the AI, then start a new one. This should start the current AI again */

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			DoCommandP(0, 2, ai_debug_player, NULL, CMD_PLAYER_CTRL);

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			DoCommandP(0, 1, 0, NULL, CMD_PLAYER_CTRL);

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		}

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	}

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	virtual void OnTimeout()

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	{

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		this->RaiseWidget(AID_WIDGET_RELOAD_TOGGLE);

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		this->SetDirty();

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	}

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};

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PlayerID AIDebugWindow::ai_debug_player = INVALID_PLAYER;

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static const Widget _ai_debug_widgets[] = {

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{   WWT_CLOSEBOX,   RESIZE_NONE,    14,     0,    10,     0,    13, STR_00C5,                   STR_018B_CLOSE_WINDOW},                 // AID_WIDGET_CLOSEBOX

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{    WWT_CAPTION,  RESIZE_RIGHT,    14,    11,   298,     0,    13, STR_AI_DEBUG,               STR_018C_WINDOW_TITLE_DRAG_THIS},       // AID_WIDGET_CAPTION

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{      WWT_PANEL,  RESIZE_RIGHT,    14,     0,   298,    14,    27, 0x0,                        STR_NULL},                              // AID_WIDGET_VIEW

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{      WWT_PANEL,  RESIZE_RIGHT,    14,     0,   149,    28,    47, 0x0,                        STR_AI_DEBUG_NAME_TIP},                 // AID_WIDGET_NAME_TEXT

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{ WWT_PUSHTXTBTN,     RESIZE_LR,    14,   150,   298,    28,    47, STR_AI_DEBUG_RELOAD,        STR_AI_DEBUG_RELOAD_TIP},               // AID_WIDGET_RELOAD_TOGGLE

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{      WWT_PANEL,     RESIZE_RB,    14,     0,   298,    48,   227, 0x0,                        STR_NULL},                              // AID_WIDGET_LOG_PANEL

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/* As this is WIP, leave the next few so we can work a bit with the GUI */

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,    88,   107, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_1

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   108,   127, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_2

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   128,   147, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_3

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   148,   167, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_4

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   168,   187, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_5

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   188,   207, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_6

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{      WWT_EMPTY,   RESIZE_NONE,    14,     0,   298,   208,   227, 0x0,                        STR_NULL},                              // AID_WIDGET_UNUSED_7

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{      WWT_PANEL,   RESIZE_NONE,    14,     2,    38,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY}, // AID_WIDGET_COMPANY_BUTTON_START

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{      WWT_PANEL,   RESIZE_NONE,    14,    39,    75,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,    76,   112,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,   113,   149,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,   150,   186,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,   187,   223,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,   224,   260,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY},

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{      WWT_PANEL,   RESIZE_NONE,    14,   261,   297,    14,    26, 0x0,                        STR_704F_CLICK_HERE_TO_TOGGLE_COMPANY}, // AID_WIDGET_COMPANY_BUTTON_END

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{  WWT_RESIZEBOX,   RESIZE_LRTB,    14,   287,   298,   216,   227, STR_NULL,                   STR_RESIZE_BUTTON},

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{   WIDGETS_END},

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};

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static const WindowDesc _ai_debug_desc = {

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	WDP_AUTO, WDP_AUTO, 299, 228, 299, 228,

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	WC_AI_DEBUG, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_RESIZABLE,

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	_ai_debug_widgets

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};

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void ShowAIDebugWindow()

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{

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	AllocateWindowDescFront<AIDebugWindow>(&_ai_debug_desc, 0);

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}