/* -*- mode: c; tab-width: 4; c-basic-offset: 3; c-file-style: "linux" -*- */ // // Copyright (c) 2009, Wei Mingzhi . // 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 . // // Modified by Lou Yihua 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.dwExtraItemDescLines; const int iCursorXOffset = gConfig.dwWordLength * 5 / 2; const int iAmountXOffset = gConfig.dwWordLength * 8 + 1; const int iPageLineOffset = (iLinesPerPage + 1) / 2; const int iPictureYOffset = (gConfig.dwExtraItemDescLines > 1) ? (gConfig.dwExtraItemDescLines - 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->rgObjectDesc[wObject] != NULL) { int y = 150 - gConfig.dwExtraItemDescLines * 16; LPWSTR *p = gpGlobals->rgObjectDesc[wObject]; while (*p) { PAL_DrawText(*p++, PAL_XY(75, y), DESCTEXT_COLOR, TRUE, FALSE, FALSE); y += 16; } } } 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 }