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/* -*- mode: c; tab-width: 4; c-basic-offset: 4; c-file-style: "linux" -*- */
//
// Copyright (c) 2009-2011, Wei Mingzhi <whistler_wmz@users.sf.net>.
// Copyright (c) 2011-2024, SDLPAL development team.
// 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, version 3
// as published by the Free Software Foundation.
//
// 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/>.
//
#include "main.h"
LPSPRITE gpSpriteUI = NULL;
static LPBOX
PAL_CreateBoxInternal(
const SDL_Rect *rect
)
{
LPBOX lpBox = (LPBOX)calloc(1, sizeof(BOX));
if (lpBox == NULL)
{
return NULL;
}
lpBox->pos = PAL_XY(rect->x, rect->y);
lpBox->lpSavedArea = VIDEO_DuplicateSurface(gpScreen, rect);
lpBox->wHeight = (WORD)rect->w;
lpBox->wWidth = (WORD)rect->h;
if (lpBox->lpSavedArea == NULL)
{
free(lpBox);
return NULL;
}
return lpBox;
}
INT
PAL_InitUI(
VOID
)
/*++
Purpose:
Initialze the UI subsystem.
Parameters:
None.
Return value:
0 = success, -1 = fail.
--*/
{
int iSize;
//
// Load the UI sprite.
//
iSize = PAL_MKFGetChunkSize(CHUNKNUM_SPRITEUI, gpGlobals->f.fpDATA);
if (iSize < 0)
{
return -1;
}
gpSpriteUI = (LPSPRITE)calloc(1, iSize);
if (gpSpriteUI == NULL)
{
return -1;
}
PAL_MKFReadChunk(gpSpriteUI, iSize, CHUNKNUM_SPRITEUI, gpGlobals->f.fpDATA);
return 0;
}
VOID
PAL_FreeUI(
VOID
)
/*++
Purpose:
Shutdown the UI subsystem.
Parameters:
None.
Return value:
None.
--*/
{
if (gpSpriteUI != NULL)
{
free(gpSpriteUI);
gpSpriteUI = NULL;
}
}
LPBOX
PAL_CreateBox(
PAL_POS pos,
INT nRows,
INT nColumns,
INT iStyle,
BOOL fSaveScreen
)
{
return PAL_CreateBoxWithShadow( pos, nRows, nColumns, iStyle, fSaveScreen, 6 );
}
LPBOX
PAL_CreateBoxWithShadow(
PAL_POS pos,
INT nRows,
INT nColumns,
INT iStyle,
BOOL fSaveScreen,
INT nShadowOffset
)
/*++
Purpose:
Create a box on the screen.
Parameters:
[IN] pos - position of the box.
[IN] nRows - number of rows of the box.
[IN] nColumns - number of columns of the box.
[IN] iStyle - style of the box (0 or 1).
[IN] fSaveScreen - whether save the used screen area or not.
Return value:
Pointer to a BOX structure. NULL if failed.
If fSaveScreen is false, then always returns NULL.
--*/
{
int i, j, x, m, n;
LPCBITMAPRLE rglpBorderBitmap[3][3];
LPBOX lpBox = NULL;
SDL_Rect rect;
//
// Get the bitmaps
//
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
rglpBorderBitmap[i][j] = PAL_SpriteGetFrame(gpSpriteUI, i * 3 + j + iStyle * 9);
}
}
rect.x = PAL_X(pos);
rect.y = PAL_Y(pos);
rect.w = 0;
rect.h = 0;
//
// Get the total width and total height of the box
//
for (i = 0; i < 3; i++)
{
if (i == 1)
{
rect.w += PAL_RLEGetWidth(rglpBorderBitmap[0][i]) * nColumns;
rect.h += PAL_RLEGetHeight(rglpBorderBitmap[i][0]) * nRows;
}
else
{
rect.w += PAL_RLEGetWidth(rglpBorderBitmap[0][i]);
rect.h += PAL_RLEGetHeight(rglpBorderBitmap[i][0]);
}
}
// Include shadow
rect.w += nShadowOffset;
rect.h += nShadowOffset;
if (fSaveScreen)
{
//
// Save the used part of the screen
//
lpBox = PAL_CreateBoxInternal(&rect);
}
//
// Border takes 2 additional rows and columns...
//
nRows += 2;
nColumns += 2;
//
// Draw the box
//
for (i = 0; i < nRows; i++)
{
x = rect.x;
m = (i == 0) ? 0 : ((i == nRows - 1) ? 2 : 1);
for (j = 0; j < nColumns; j++)
{
n = (j == 0) ? 0 : ((j == nColumns - 1) ? 2 : 1);
PAL_RLEBlitToSurfaceWithShadow(rglpBorderBitmap[m][n], gpScreen, PAL_XY(x+nShadowOffset, rect.y+nShadowOffset),TRUE);
PAL_RLEBlitToSurface(rglpBorderBitmap[m][n], gpScreen, PAL_XY(x, rect.y));
x += PAL_RLEGetWidth(rglpBorderBitmap[m][n]);
}
rect.y += PAL_RLEGetHeight(rglpBorderBitmap[m][0]);
}
return lpBox;
}
LPBOX
PAL_CreateSingleLineBox(
PAL_POS pos,
INT nLen,
BOOL fSaveScreen
)
{
return PAL_CreateSingleLineBoxWithShadow(pos, nLen, fSaveScreen, 6);
}
LPBOX
PAL_CreateSingleLineBoxWithShadow(
PAL_POS pos,
INT nLen,
BOOL fSaveScreen,
INT nShadowOffset
)
/*++
Purpose:
Create a single-line box on the screen.
Parameters:
[IN] pos - position of the box.
[IN] nLen - length of the box.
[IN] fSaveScreen - whether save the used screen area or not.
Return value:
Pointer to a BOX structure. NULL if failed.
If fSaveScreen is false, then always returns NULL.
--*/
{
static const int iNumLeftSprite = 44;
static const int iNumMidSprite = 45;
static const int iNumRightSprite = 46;
LPCBITMAPRLE lpBitmapLeft;
LPCBITMAPRLE lpBitmapMid;
LPCBITMAPRLE lpBitmapRight;
SDL_Rect rect;
LPBOX lpBox = NULL;
int i;
int xSaved;
//
// Get the bitmaps
//
lpBitmapLeft = PAL_SpriteGetFrame(gpSpriteUI, iNumLeftSprite);
lpBitmapMid = PAL_SpriteGetFrame(gpSpriteUI, iNumMidSprite);
lpBitmapRight = PAL_SpriteGetFrame(gpSpriteUI, iNumRightSprite);
rect.x = PAL_X(pos);
rect.y = PAL_Y(pos);
//
// Get the total width and total height of the box
//
rect.w = PAL_RLEGetWidth(lpBitmapLeft) + PAL_RLEGetWidth(lpBitmapRight);
rect.w += PAL_RLEGetWidth(lpBitmapMid) * nLen;
rect.h = PAL_RLEGetHeight(lpBitmapLeft);
// Include shadow
rect.w += nShadowOffset;
rect.h += nShadowOffset;
if (fSaveScreen)
{
//
// Save the used part of the screen
//
lpBox = PAL_CreateBoxInternal(&rect);
}
xSaved = rect.x;
//
// Draw the shadow
//
PAL_RLEBlitToSurfaceWithShadow(lpBitmapLeft, gpScreen, PAL_XY(rect.x+nShadowOffset, rect.y+nShadowOffset), TRUE);
rect.x += PAL_RLEGetWidth(lpBitmapLeft);
for (i = 0; i < nLen; i++)
{
PAL_RLEBlitToSurfaceWithShadow(lpBitmapMid, gpScreen, PAL_XY(rect.x+nShadowOffset, rect.y+nShadowOffset), TRUE);
rect.x += PAL_RLEGetWidth(lpBitmapMid);
}
PAL_RLEBlitToSurfaceWithShadow(lpBitmapRight, gpScreen, PAL_XY(rect.x+nShadowOffset, rect.y+nShadowOffset), TRUE);
rect.x = xSaved;
//
// Draw the box
//
PAL_RLEBlitToSurface(lpBitmapLeft, gpScreen, pos);
rect.x += PAL_RLEGetWidth(lpBitmapLeft);
for (i = 0; i < nLen; i++)
{
PAL_RLEBlitToSurface(lpBitmapMid, gpScreen, PAL_XY(rect.x, rect.y));
rect.x += PAL_RLEGetWidth(lpBitmapMid);
}
PAL_RLEBlitToSurface(lpBitmapRight, gpScreen, PAL_XY(rect.x, rect.y));
return lpBox;
}
VOID
PAL_DeleteBox(
LPBOX lpBox
)
/*++
Purpose:
Delete a box and restore the saved part of the screen.
Parameters:
[IN] lpBox - pointer to the BOX struct.
Return value:
None.
--*/
{
SDL_Rect rect;
//
// Check for NULL pointer.
//
if (lpBox == NULL)
{
return;
}
//
// Restore the saved screen part
//
rect.x = PAL_X(lpBox->pos);
rect.y = PAL_Y(lpBox->pos);
rect.w = lpBox->wWidth;
rect.h = lpBox->wHeight;
VIDEO_CopySurface(lpBox->lpSavedArea, NULL, gpScreen, &rect);
//
// Free the memory used by the box
//
VIDEO_FreeSurface(lpBox->lpSavedArea);
free(lpBox);
}
WORD
PAL_ReadMenu(
LPITEMCHANGED_CALLBACK lpfnMenuItemChanged,
LPCMENUITEM rgMenuItem,
INT nMenuItem,
WORD wDefaultItem,
BYTE bLabelColor
)
/*++
Purpose:
Execute a menu.
Parameters:
[IN] lpfnMenuItemChanged - Callback function which is called when user
changed the current menu item.
[IN] rgMenuItem - Array of the menu items.
[IN] nMenuItem - Number of menu items.
[IN] wDefaultItem - default item index.
[IN] bLabelColor - color of the labels.
Return value:
Return value of the selected menu item. MENUITEM_VALUE_CANCELLED if cancelled.
--*/
{
int i;
WORD wCurrentItem = (wDefaultItem < nMenuItem) ? wDefaultItem : 0;
//
// Fix issue #166
//
g_bRenderPaused = TRUE;
//
// Draw all the menu texts.
//
for (i = 0; i < nMenuItem; i++)
{
BYTE bColor = bLabelColor;
if (!rgMenuItem[i].fEnabled)
{
if (i == wCurrentItem)
{
bColor = MENUITEM_COLOR_SELECTED_INACTIVE;
}
else
{
bColor = MENUITEM_COLOR_INACTIVE;
}
}
PAL_DrawText(PAL_GetWord(rgMenuItem[i].wNumWord), rgMenuItem[i].pos, bColor, TRUE, TRUE, FALSE);
}
//
// Fix issue #166
//
g_bRenderPaused = FALSE;
VIDEO_UpdateScreen(NULL);
if (lpfnMenuItemChanged != NULL)
{
(*lpfnMenuItemChanged)(rgMenuItem[wDefaultItem].wValue);
}
while (TRUE)
{
PAL_ClearKeyState();
//
// Redraw the selected item if needed.
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_SELECTED, FALSE, TRUE, FALSE);
}
PAL_ProcessEvent();
if (g_InputState.dwKeyPress & (kKeyDown | kKeyRight))
{
//
// Fix issue #166
//
g_bRenderPaused = TRUE;
//
// User pressed the down or right arrow key
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
//
// Dehighlight the unselected item.
//
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, bLabelColor, FALSE, TRUE, FALSE);
}
else
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_INACTIVE, FALSE, TRUE, FALSE);
}
wCurrentItem++;
if (wCurrentItem >= nMenuItem)
{
wCurrentItem = 0;
}
//
// Highlight the selected item.
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_SELECTED, FALSE, TRUE, FALSE);
}
else
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_SELECTED_INACTIVE, FALSE, TRUE, FALSE);
}
//
// Fix issue #166
//
g_bRenderPaused = FALSE;
VIDEO_UpdateScreen(NULL);
if (lpfnMenuItemChanged != NULL)
{
(*lpfnMenuItemChanged)(rgMenuItem[wCurrentItem].wValue);
}
}
else if (g_InputState.dwKeyPress & (kKeyUp | kKeyLeft))
{
//
// Fix issue #166
//
g_bRenderPaused = TRUE;
//
// User pressed the up or left arrow key
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
//
// Dehighlight the unselected item.
//
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, bLabelColor, FALSE, TRUE, FALSE);
}
else
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_INACTIVE, FALSE, TRUE, FALSE);
}
if (wCurrentItem > 0)
{
wCurrentItem--;
}
else
{
wCurrentItem = nMenuItem - 1;
}
//
// Highlight the selected item.
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_SELECTED, FALSE, TRUE, FALSE);
}
else
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_SELECTED_INACTIVE, FALSE, TRUE, FALSE);
}
//
// Fix issue #166
//
g_bRenderPaused = FALSE;
VIDEO_UpdateScreen(NULL);
if (lpfnMenuItemChanged != NULL)
{
(*lpfnMenuItemChanged)(rgMenuItem[wCurrentItem].wValue);
}
}
else if (g_InputState.dwKeyPress & kKeyMenu)
{
//
// User cancelled
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, bLabelColor, FALSE, TRUE, FALSE);
}
else
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_INACTIVE, FALSE, TRUE, FALSE);
}
break;
}
else if (g_InputState.dwKeyPress & kKeySearch)
{
//
// User pressed Enter
//
if (rgMenuItem[wCurrentItem].fEnabled)
{
PAL_DrawText(PAL_GetWord(rgMenuItem[wCurrentItem].wNumWord),
rgMenuItem[wCurrentItem].pos, MENUITEM_COLOR_CONFIRMED, FALSE, TRUE, FALSE);
return rgMenuItem[wCurrentItem].wValue;
}
}
//
// Use delay function to avoid high CPU usage.
//
SDL_Delay(50);
}
return MENUITEM_VALUE_CANCELLED;
}
VOID
PAL_DrawNumber(
UINT iNum,
UINT nLength,
PAL_POS pos,
NUMCOLOR color,
NUMALIGN align
)
/*++
Purpose:
Draw the specified number with the bitmaps in the UI sprite.
Parameters:
[IN] iNum - the number to be drawn.
[IN] nLength - max. length of the number.
[IN] pos - position on the screen.
[IN] color - color of the number (yellow or blue).
[IN] align - align mode of the number.
Return value:
None.
--*/
{
UINT nActualLength, i;
int x, y;
LPCBITMAPRLE rglpBitmap[10];
//
// Get the bitmaps. Blue starts from 29, Cyan from 56, Yellow from 19.
//
x = (color == kNumColorBlue) ? 29 : ((color == kNumColorCyan) ? 56 : 19);
for (i = 0; i < 10; i++)
{
rglpBitmap[i] = PAL_SpriteGetFrame(gpSpriteUI, (UINT)x + i);
}
i = iNum;
nActualLength = 0;
//
// Calculate the actual length of the number.
//
while (i > 0)
{
i /= 10;
nActualLength++;
}
if (nActualLength > nLength)
{
nActualLength = nLength;
}
else if (nActualLength == 0)
{
nActualLength = 1;
}
x = PAL_X(pos) - 6;
y = PAL_Y(pos);
switch (align)
{
case kNumAlignLeft:
x += 6 * nActualLength;
break;
case kNumAlignMid:
x += 3 * (nLength + nActualLength);
break;
case kNumAlignRight:
x += 6 * nLength;
break;
}
//
// Draw the number.
//
while (nActualLength-- > 0)
{
PAL_RLEBlitToSurface(rglpBitmap[iNum % 10], gpScreen, PAL_XY(x, y));
x -= 6;
iNum /= 10;
}
}
/*++
Purpose:
Calculate the text width of the given text.
Parameters:
[IN] itemText - Pointer to the text.
Return value:
text width.
--*/
INT
PAL_TextWidth(
LPCWSTR lpszItemText
)
{
size_t l = wcslen(lpszItemText), j = 0, w = 0;
for (j = 0; j < l; j++)
{
w += PAL_CharWidth(lpszItemText[j]);
}
return w;
}
INT
PAL_MenuTextMaxWidth(
LPCMENUITEM rgMenuItem,
INT nMenuItem
)
/*++
Purpose:
Calculate the maximal text width of all the menu items in number of full width characters.
Parameters:
[IN] rgMenuItem - Pointer to the menu item array.
[IN] nMenuItem - Number of menu items.
Return value:
Maximal text width.
--*/
{
int i, r = 0;
for (i = 0; i < nMenuItem; i++)
{
LPCWSTR itemText = PAL_GetWord(rgMenuItem[i].wNumWord);
int w = (PAL_TextWidth(PAL_UnescapeText(itemText)) + 8) >> 4;
if (r < w)
{
r = w;
}
}
return r;
}
INT
PAL_WordMaxWidth(
INT nFirstWord,
INT nWordNum
)
/*++
Purpose:
Calculate the maximal text width of a specific range of words in number of full width characters.
Parameters:
[IN] nFirstWord - First index of word.
[IN] nWordNum - Number of words.
Return value:
Maximal text width.
--*/
{
int i, r = 0;
for (i = 0; i < nWordNum; i++)
{
LPCWSTR itemText = PAL_GetWord(nFirstWord + i);
int j = 0, l = wcslen(itemText), w = 0;
for (j = 0; j < l; j++)
{
w += PAL_CharWidth(itemText[j]);
}
w = (w + 8) >> 4;
if (r < w)
{
r = w;
}
}
return r;
}
INT
PAL_WordWidth(
INT nWordIndex
)
/*++
Purpose:
Calculate the text width of a specific word.
Parameters:
[IN] nWordNum - Index of the word.
Return value:
Text width.
--*/
{
LPCWSTR itemText = PAL_GetWord(nWordIndex);
int i, l = wcslen(itemText), w = 0;
for (i = 0; i < l; i++)
{
w += PAL_CharWidth(itemText[i]);
}
return (w + 8) >> 4;
}
LPOBJECTDESC
PAL_LoadObjectDesc(
LPCSTR lpszFileName
)
/*++
Purpose:
Load the object description strings from file.
Parameters:
[IN] lpszFileName - the filename to be loaded.
Return value:
Pointer to loaded data, in linked list form. NULL if unable to load.
--*/
{
FILE *fp;
PAL_LARGE char buf[512];
char *p;
LPOBJECTDESC lpDesc = NULL, pNew = NULL;
unsigned int i;
CODEPAGE cp = PAL_DetectCodePage(lpszFileName);
fp = UTIL_OpenFileForMode(lpszFileName, "r");
if (fp == NULL)
{
return NULL;
}
//
// Load the description data
//
while (fgets(buf, 512, fp) != NULL)
{
int wlen,strip_count=2;
p = strchr(buf, '=');
if (p == NULL)
{
continue;
}
*p++ = '\0';
while(strip_count--){
if(p[strlen(p)-1]=='\r') p[strlen(p)-1]='\0';
if(p[strlen(p)-1]=='\n') p[strlen(p)-1]='\0';
}
wlen = PAL_MultiByteToWideCharCP(cp, p, -1, NULL, 0);
pNew = UTIL_calloc(1, sizeof(OBJECTDESC));
sscanf(buf, "%x", &i);
pNew->wObjectID = i;
pNew->lpDesc = (LPWSTR)UTIL_malloc(wlen * sizeof(WCHAR));
PAL_MultiByteToWideCharCP(cp, p, -1, pNew->lpDesc, wlen);
pNew->next = lpDesc;
lpDesc = pNew;
}
fclose(fp);
return lpDesc;
}
VOID
PAL_FreeObjectDesc(
LPOBJECTDESC lpObjectDesc
)
/*++
Purpose:
Free the object description data.
Parameters:
[IN] lpObjectDesc - the description data to be freed.
Return value:
None.
--*/
{
LPOBJECTDESC p;
while (lpObjectDesc != NULL)
{
p = lpObjectDesc->next;
free(lpObjectDesc->lpDesc);
free(lpObjectDesc);
lpObjectDesc = p;
}
}
LPCWSTR
PAL_GetObjectDesc(
LPOBJECTDESC lpObjectDesc,
WORD wObjectID
)
/*++
Purpose:
Get the object description string from the linked list.
Parameters:
[IN] lpObjectDesc - the description data linked list.
[IN] wObjectID - the object ID.
Return value:
The description string. NULL if the specified object ID
is not found.
--*/
{
while (lpObjectDesc != NULL)
{
if (lpObjectDesc->wObjectID == wObjectID)
{
return lpObjectDesc->lpDesc;
}
lpObjectDesc = lpObjectDesc->next;
}
return NULL;
}
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