--- a/src/signs.c	Wed Jan 10 16:31:40 2007 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,277 +0,0 @@
-/* $Id$ */
-
-#include "stdafx.h"
-#include "openttd.h"
-#include "table/strings.h"
-#include "functions.h"
-#include "player.h"
-#include "signs.h"
-#include "saveload.h"
-#include "command.h"
-#include "variables.h"
-
-static Sign *_new_sign;
-
-/**
- * Called if a new block is added to the sign-pool
- */
-static void SignPoolNewBlock(uint start_item)
-{
-	Sign *si;
-
-	/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
-	 * TODO - This is just a temporary stage, this will be removed. */
-	for (si = GetSign(start_item); si != NULL; si = (si->index + 1U < GetSignPoolSize()) ? GetSign(si->index + 1U) : NULL) si->index = start_item++;
-}
-
-/* Initialize the sign-pool */
-DEFINE_OLD_POOL(Sign, Sign, SignPoolNewBlock, NULL)
-
-/**
- *
- * Update the coordinate of one sign
- *
- */
-static void UpdateSignVirtCoords(Sign *si)
-{
-	Point pt = RemapCoords(si->x, si->y, si->z);
-	SetDParam(0, si->str);
-	UpdateViewportSignPos(&si->sign, pt.x, pt.y - 6, STR_2806);
-}
-
-/**
- *
- * Update the coordinates of all signs
- *
- */
-void UpdateAllSignVirtCoords(void)
-{
-	Sign *si;
-
-	FOR_ALL_SIGNS(si) UpdateSignVirtCoords(si);
-
-}
-
-/**
- *
- * Marks the region of a sign as dirty
- *
- * @param si Pointer to the Sign
- */
-static void MarkSignDirty(Sign *si)
-{
-	MarkAllViewportsDirty(
-		si->sign.left - 6,
-		si->sign.top  - 3,
-		si->sign.left + si->sign.width_1 * 4 + 12,
-		si->sign.top  + 45);
-}
-
-/**
- *
- * Allocates a new sign
- *
- * @return The pointer to the new sign, or NULL if there is no more free space
- */
-static Sign *AllocateSign(void)
-{
-	Sign *si;
-
-	/* We don't use FOR_ALL here, because FOR_ALL skips invalid items.
-	 * TODO - This is just a temporary stage, this will be removed. */
-	for (si = GetSign(0); si != NULL; si = (si->index + 1U < GetSignPoolSize()) ? GetSign(si->index + 1U) : NULL) {
-		if (!IsValidSign(si)) {
-			uint index = si->index;
-
-			memset(si, 0, sizeof(Sign));
-			si->index = index;
-
-			return si;
-		}
-	}
-
-	/* Check if we can add a block to the pool */
-	if (AddBlockToPool(&_Sign_pool))
-		return AllocateSign();
-
-	return NULL;
-}
-
-void DestroySign(Sign *si)
-{
-	DeleteName(si->str);
-}
-
-/**
- * Place a sign at the given coordinates. Ownership of sign has
- * no effect whatsoever except for the colour the sign gets for easy recognition,
- * but everybody is able to rename/remove it.
- * @param tile tile to place sign at
- * @param p1 unused
- * @param p2 unused
- */
-int32 CmdPlaceSign(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	Sign *si;
-
-	/* Try to locate a new sign */
-	si = AllocateSign();
-	if (si == NULL) return_cmd_error(STR_2808_TOO_MANY_SIGNS);
-
-	/* When we execute, really make the sign */
-	if (flags & DC_EXEC) {
-		int x = TileX(tile) * TILE_SIZE;
-		int y = TileY(tile) * TILE_SIZE;
-
-		si->str = STR_280A_SIGN;
-		si->x = x;
-		si->y = y;
-		si->owner = _current_player; // owner of the sign; just eyecandy
-		si->z = GetSlopeZ(x,y);
-		UpdateSignVirtCoords(si);
-		MarkSignDirty(si);
-		InvalidateWindow(WC_SIGN_LIST, 0);
-		_sign_sort_dirty = true;
-		_new_sign = si;
-	}
-
-	return 0;
-}
-
-/** Rename a sign. If the new name of the sign is empty, we assume
- * the user wanted to delete it. So delete it. Ownership of signs
- * has no meaning/effect whatsoever except for eyecandy
- * @param tile unused
- * @param p1 index of the sign to be renamed/removed
- * @param p2 unused
- */
-int32 CmdRenameSign(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
-{
-	if (!IsValidSignID(p1)) return CMD_ERROR;
-
-	/* If _cmd_text 0 means the new text for the sign is non-empty.
-	 * So rename the sign. If it is empty, it has no name, so delete it */
-	if (_cmd_text[0] != '\0') {
-		/* Create the name */
-		StringID str = AllocateName(_cmd_text, 0);
-		if (str == 0) return CMD_ERROR;
-
-		if (flags & DC_EXEC) {
-			Sign *si = GetSign(p1);
-
-			/* Delete the old name */
-			DeleteName(si->str);
-			/* Assign the new one */
-			si->str = str;
-			si->owner = _current_player;
-
-			/* Update; mark sign dirty twice, because it can either becom longer, or shorter */
-			MarkSignDirty(si);
-			UpdateSignVirtCoords(si);
-			MarkSignDirty(si);
-			InvalidateWindow(WC_SIGN_LIST, 0);
-			_sign_sort_dirty = true;
-		} else {
-			/* Free the name, because we did not assign it yet */
-			DeleteName(str);
-		}
-	} else { /* Delete sign */
-		if (flags & DC_EXEC) {
-			Sign *si = GetSign(p1);
-
-			MarkSignDirty(si);
-			DeleteSign(si);
-
-			InvalidateWindow(WC_SIGN_LIST, 0);
-			_sign_sort_dirty = true;
-		}
-	}
-
-	return 0;
-}
-
-/**
- *
- * Callback function that is called after a sign is placed
- *
- */
-void CcPlaceSign(bool success, TileIndex tile, uint32 p1, uint32 p2)
-{
-	if (success) {
-		ShowRenameSignWindow(_new_sign);
-		ResetObjectToPlace();
-	}
-}
-
-/**
- *
- * PlaceProc function, called when someone pressed the button if the
- *  sign-tool is selected
- *
- */
-void PlaceProc_Sign(TileIndex tile)
-{
-	DoCommandP(tile, 0, 0, CcPlaceSign, CMD_PLACE_SIGN | CMD_MSG(STR_2809_CAN_T_PLACE_SIGN_HERE));
-}
-
-/**
- *
- * Initialize the signs
- *
- */
-void InitializeSigns(void)
-{
-	CleanPool(&_Sign_pool);
-	AddBlockToPool(&_Sign_pool);
-}
-
-static const SaveLoad _sign_desc[] = {
-      SLE_VAR(Sign, str,   SLE_UINT16),
-  SLE_CONDVAR(Sign, x,     SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
-  SLE_CONDVAR(Sign, y,     SLE_FILE_I16 | SLE_VAR_I32, 0, 4),
-  SLE_CONDVAR(Sign, x,     SLE_INT32,                  5, SL_MAX_VERSION),
-  SLE_CONDVAR(Sign, y,     SLE_INT32,                  5, SL_MAX_VERSION),
-  SLE_CONDVAR(Sign, owner, SLE_UINT8,                  6, SL_MAX_VERSION),
-      SLE_VAR(Sign, z,     SLE_UINT8),
-	SLE_END()
-};
-
-/**
- *
- * Save all signs
- *
- */
-static void Save_SIGN(void)
-{
-	Sign *si;
-
-	FOR_ALL_SIGNS(si) {
-		SlSetArrayIndex(si->index);
-		SlObject(si, _sign_desc);
-	}
-}
-
-/**
- *
- * Load all signs
- *
- */
-static void Load_SIGN(void)
-{
-	int index;
-	while ((index = SlIterateArray()) != -1) {
-		Sign *si;
-
-		if (!AddBlockIfNeeded(&_Sign_pool, index))
-			error("Signs: failed loading savegame: too many signs");
-
-		si = GetSign(index);
-		SlObject(si, _sign_desc);
-	}
-
-	_sign_sort_dirty = true;
-}
-
-const ChunkHandler _sign_chunk_handlers[] = {
-	{ 'SIGN', Save_SIGN, Load_SIGN, CH_ARRAY | CH_LAST},
-};