/* -*- mode: c; tab-width: 4; c-basic-offset: 3; c-file-style: "linux" -*- */
//
// Copyright (c) 2009, Wei Mingzhi <whistler_wmz@users.sf.net>.
// All rights reserved.
//
// This file is part of SDLPAL.
//
// SDLPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Lou Yihua <louyihua@21cn.com> with Unicode support, 2015
//
#include "main.h"
static int g_iNumInventory = 0;
static WORD g_wItemFlags = 0;
static BOOL g_fNoDesc = FALSE;
WORD
PAL_ItemSelectMenuUpdate(
VOID
)
/*++
Purpose:
Initialize the item selection menu.
Parameters:
None.
Return value:
The object ID of the selected item. 0 if cancelled, 0xFFFF if not confirmed.
--*/
{
int i, j, k, line, item_delta;
WORD wObject, wScript;
BYTE bColor;
static BYTE bufImage[2048];
static WORD wPrevImageIndex = 0xFFFF;
const int iItemsPerLine = 34 / gConfig.dwWordLength;
const int iItemTextWidth = 8 * gConfig.dwWordLength + 20;
const int iLinesPerPage = 7 - gConfig.ScreenLayout.ExtraItemDescLines;
const int iCursorXOffset = gConfig.dwWordLength * 5 / 2;
const int iAmountXOffset = gConfig.dwWordLength * 8 + 1;
const int iPageLineOffset = (iLinesPerPage + 1) / 2;
const int iPictureYOffset = (gConfig.ScreenLayout.ExtraItemDescLines > 1) ? (gConfig.ScreenLayout.ExtraItemDescLines - 1) * 16 : 0;
//
// Process input
//
if (g_InputState.dwKeyPress & kKeyUp)
{
item_delta = -iItemsPerLine;
}
else if (g_InputState.dwKeyPress & kKeyDown)
{
item_delta = iItemsPerLine;
}
else if (g_InputState.dwKeyPress & kKeyLeft)
{
item_delta = -1;
}
else if (g_InputState.dwKeyPress & kKeyRight)
{
item_delta = 1;
}
else if (g_InputState.dwKeyPress & kKeyPgUp)
{
item_delta = -(iItemsPerLine * iLinesPerPage);
}
else if (g_InputState.dwKeyPress & kKeyPgDn)
{
item_delta = iItemsPerLine * iLinesPerPage;
}
else if (g_InputState.dwKeyPress & kKeyHome)
{
item_delta = -gpGlobals->iCurInvMenuItem;
}
else if (g_InputState.dwKeyPress & kKeyEnd)
{
item_delta = g_iNumInventory - gpGlobals->iCurInvMenuItem - 1;
}
else if (g_InputState.dwKeyPress & kKeyMenu)
{
return 0;
}
else
{
item_delta = 0;
}
//
// Make sure the current menu item index is in bound
//
if (gpGlobals->iCurInvMenuItem + item_delta >= 0 &&
gpGlobals->iCurInvMenuItem + item_delta < g_iNumInventory)
gpGlobals->iCurInvMenuItem += item_delta;
//
// Redraw the box
//
PAL_CreateBox(PAL_XY(2, 0), iLinesPerPage - 1, 17, 1, FALSE);
//
// Draw the texts in the current page
//
i = gpGlobals->iCurInvMenuItem / iItemsPerLine * iItemsPerLine - iItemsPerLine * iPageLineOffset;
if (i < 0)
{
i = 0;
}
for (j = 0; j < iLinesPerPage; j++)
{
for (k = 0; k < iItemsPerLine; k++)
{
wObject = gpGlobals->rgInventory[i].wItem;
bColor = MENUITEM_COLOR;
if (i >= MAX_INVENTORY || wObject == 0)
{
//
// End of the list reached
//
j = iLinesPerPage;
break;
}
if (i == gpGlobals->iCurInvMenuItem)
{
if (!(gpGlobals->g.rgObject[wObject].item.wFlags & g_wItemFlags) ||
(SHORT)gpGlobals->rgInventory[i].nAmount <= (SHORT)gpGlobals->rgInventory[i].nAmountInUse)
{
//
// This item is not selectable
//
bColor = MENUITEM_COLOR_SELECTED_INACTIVE;
}
else
{
//
// This item is selectable
//
if (gpGlobals->rgInventory[i].nAmount == 0)
{
bColor = MENUITEM_COLOR_EQUIPPEDITEM;
}
else
{
bColor = MENUITEM_COLOR_SELECTED;
}
}
}
else if (!(gpGlobals->g.rgObject[wObject].item.wFlags & g_wItemFlags) ||
(SHORT)gpGlobals->rgInventory[i].nAmount <= (SHORT)gpGlobals->rgInventory[i].nAmountInUse)
{
//
// This item is not selectable
//
bColor = MENUITEM_COLOR_INACTIVE;
}
else if (gpGlobals->rgInventory[i].nAmount == 0)
{
bColor = MENUITEM_COLOR_EQUIPPEDITEM;
}
//
// Draw the text
//
PAL_DrawText(PAL_GetWord(wObject), PAL_XY(15 + k * iItemTextWidth, 12 + j * 18), bColor, TRUE, FALSE, FALSE);
//
// Draw the cursor on the current selected item
//
if (i == gpGlobals->iCurInvMenuItem)
{
PAL_RLEBlitToSurface(PAL_SpriteGetFrame(gpSpriteUI, SPRITENUM_CURSOR),
gpScreen, PAL_XY(15 + iCursorXOffset + k * iItemTextWidth, 22 + j * 18));
}
//
// Draw the amount of this item
//
if ((SHORT)gpGlobals->rgInventory[i].nAmount - (SHORT)gpGlobals->rgInventory[i].nAmountInUse > 1)
{
PAL_DrawNumber(gpGlobals->rgInventory[i].nAmount - gpGlobals->rgInventory[i].nAmountInUse,
2, PAL_XY(15 + iAmountXOffset + k * iItemTextWidth, 17 + j * 18), kNumColorCyan, kNumAlignRight);
}
i++;
}
}
//
// Draw the picture of current selected item
//
PAL_RLEBlitToSurface(PAL_SpriteGetFrame(gpSpriteUI, SPRITENUM_ITEMBOX), gpScreen,
PAL_XY(5, 140 - iPictureYOffset));
wObject = gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].wItem;
if (gpGlobals->g.rgObject[wObject].item.wBitmap != wPrevImageIndex)
{
if (PAL_MKFReadChunk(bufImage, 2048,
gpGlobals->g.rgObject[wObject].item.wBitmap, gpGlobals->f.fpBALL) > 0)
{
wPrevImageIndex = gpGlobals->g.rgObject[wObject].item.wBitmap;
}
else
{
wPrevImageIndex = 0xFFFF;
}
}
if (wPrevImageIndex != 0xFFFF)
{
PAL_RLEBlitToSurface(bufImage, gpScreen, PAL_XY(12, 148 - iPictureYOffset));
}
//
// Draw the description of the selected item
//
if (!gConfig.fIsWIN95)
{
if (!g_fNoDesc && gpGlobals->lpObjectDesc != NULL)
{
WCHAR szDesc[512], *next;
const WCHAR *d = PAL_GetObjectDesc(gpGlobals->lpObjectDesc, wObject);
if (d != NULL)
{
k = 150;
wcscpy(szDesc, d);
d = szDesc;
while (TRUE)
{
next = wcschr(d, '*');
if (next != NULL)
{
*next++ = '\0';
}
PAL_DrawText(d, PAL_XY(75, k), DESCTEXT_COLOR, TRUE, FALSE, FALSE);
k += 16;
if (next == NULL)
{
break;
}
d = next;
}
}
}
}
else
{
if (!g_fNoDesc)
{
wScript = gpGlobals->g.rgObject[wObject].item.wScriptDesc;
line = 0;
while (wScript && gpGlobals->g.lprgScriptEntry[wScript].wOperation != 0)
{
if (gpGlobals->g.lprgScriptEntry[wScript].wOperation == 0xFFFF)
{
int line_incr = (gpGlobals->g.lprgScriptEntry[wScript].rgwOperand[1] != 1) ? 1 : 0;
wScript = PAL_RunAutoScript(wScript, PAL_ITEM_DESC_BOTTOM | line);
line += line_incr;
}
else
{
wScript = PAL_RunAutoScript(wScript, 0);
}
}
}
}
if (g_InputState.dwKeyPress & kKeySearch)
{
if ((gpGlobals->g.rgObject[wObject].item.wFlags & g_wItemFlags) &&
(SHORT)gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].nAmount >
(SHORT)gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].nAmountInUse)
{
if (gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].nAmount > 0)
{
j = (gpGlobals->iCurInvMenuItem < iItemsPerLine * iPageLineOffset) ? (gpGlobals->iCurInvMenuItem / iItemsPerLine) : iPageLineOffset;
k = gpGlobals->iCurInvMenuItem % iItemsPerLine;
PAL_DrawText(PAL_GetWord(wObject), PAL_XY(15 + k * iItemTextWidth, 12 + j * 18), MENUITEM_COLOR_CONFIRMED, FALSE, FALSE, FALSE);
}
return wObject;
}
}
return 0xFFFF;
}
VOID
PAL_ItemSelectMenuInit(
WORD wItemFlags
)
/*++
Purpose:
Initialize the item selection menu.
Parameters:
[IN] wItemFlags - flags for usable item.
Return value:
None.
--*/
{
int i, j;
WORD w;
g_wItemFlags = wItemFlags;
//
// Compress the inventory
//
PAL_CompressInventory();
//
// Count the total number of items in inventory
//
g_iNumInventory = 0;
while (g_iNumInventory < MAX_INVENTORY &&
gpGlobals->rgInventory[g_iNumInventory].wItem != 0)
{
g_iNumInventory++;
}
//
// Also add usable equipped items to the list
//
if ((wItemFlags & kItemFlagUsable) && !gpGlobals->fInBattle)
{
for (i = 0; i <= gpGlobals->wMaxPartyMemberIndex; i++)
{
w = gpGlobals->rgParty[i].wPlayerRole;
for (j = 0; j < MAX_PLAYER_EQUIPMENTS; j++)
{
if (gpGlobals->g.rgObject[gpGlobals->g.PlayerRoles.rgwEquipment[j][w]].item.wFlags & kItemFlagUsable)
{
if (g_iNumInventory < MAX_INVENTORY)
{
gpGlobals->rgInventory[g_iNumInventory].wItem = gpGlobals->g.PlayerRoles.rgwEquipment[j][w];
gpGlobals->rgInventory[g_iNumInventory].nAmount = 0;
gpGlobals->rgInventory[g_iNumInventory].nAmountInUse = (WORD)-1;
g_iNumInventory++;
}
}
}
}
}
}
WORD
PAL_ItemSelectMenu(
LPITEMCHANGED_CALLBACK lpfnMenuItemChanged,
WORD wItemFlags
)
/*++
Purpose:
Show the item selection menu.
Parameters:
[IN] lpfnMenuItemChanged - Callback function which is called when user
changed the current menu item.
[IN] wItemFlags - flags for usable item.
Return value:
The object ID of the selected item. 0 if cancelled.
--*/
{
int iPrevIndex;
WORD w;
DWORD dwTime;
PAL_ItemSelectMenuInit(wItemFlags);
iPrevIndex = gpGlobals->iCurInvMenuItem;
PAL_ClearKeyState();
if (lpfnMenuItemChanged != NULL)
{
g_fNoDesc = TRUE;
(*lpfnMenuItemChanged)(gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].wItem);
}
dwTime = SDL_GetTicks();
while (TRUE)
{
if (lpfnMenuItemChanged == NULL)
{
PAL_MakeScene();
}
w = PAL_ItemSelectMenuUpdate();
VIDEO_UpdateScreen(NULL);
PAL_ClearKeyState();
PAL_ProcessEvent();
while (!SDL_TICKS_PASSED(SDL_GetTicks(), dwTime))
{
PAL_ProcessEvent();
if (g_InputState.dwKeyPress != 0)
{
break;
}
SDL_Delay(5);
}
dwTime = SDL_GetTicks() + FRAME_TIME;
if (w != 0xFFFF)
{
g_fNoDesc = FALSE;
return w;
}
if (iPrevIndex != gpGlobals->iCurInvMenuItem)
{
if (gpGlobals->iCurInvMenuItem >= 0 && gpGlobals->iCurInvMenuItem < MAX_INVENTORY)
{
if (lpfnMenuItemChanged != NULL)
{
(*lpfnMenuItemChanged)(gpGlobals->rgInventory[gpGlobals->iCurInvMenuItem].wItem);
}
}
iPrevIndex = gpGlobals->iCurInvMenuItem;
}
}
assert(FALSE);
return 0; // should not really reach here
}