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.
--*/
{
#ifndef PAL_WIN95
int i, j, k;
WORD wObject;
#else
int i, j, k, line;
WORD wObject, wScript;
#endif
BYTE bColor;
static BYTE bufImage[2048];
static WORD wPrevImageIndex = 0xFFFF;
//
// Process input
//
if (g_InputState.dwKeyPress & kKeyUp)
{
gpGlobals->iCurInvMenuItem -= 3;
}
else if (g_InputState.dwKeyPress & kKeyDown)
{
gpGlobals->iCurInvMenuItem += 3;
}
else if (g_InputState.dwKeyPress & kKeyLeft)
{
gpGlobals->iCurInvMenuItem--;
}
else if (g_InputState.dwKeyPress & kKeyRight)
{
gpGlobals->iCurInvMenuItem++;
}
else if (g_InputState.dwKeyPress & kKeyPgUp)
{
gpGlobals->iCurInvMenuItem -= 3 * 7;
}
else if (g_InputState.dwKeyPress & kKeyPgDn)
{
gpGlobals->iCurInvMenuItem += 3 * 7;
}
else if (g_InputState.dwKeyPress & kKeyMenu)
{
return 0;
}
//
// Make sure the current menu item index is in bound
//
if (gpGlobals->iCurInvMenuItem < 0)
{
gpGlobals->iCurInvMenuItem = 0;
}
else if (gpGlobals->iCurInvMenuItem >= g_iNumInventory)
{
gpGlobals->iCurInvMenuItem = g_iNumInventory - 1;
}
//
// Redraw the box
//
PAL_CreateBox(PAL_XY(2, 0), 6, 17, 1, FALSE);
//
// Draw the texts in the current page
//
i = gpGlobals->iCurInvMenuItem / 3 * 3 - 3 * 4;
if (i < 0)
{
i = 0;
}
for (j = 0; j < 7; j++)
{
for (k = 0; k < 3; k++)
{
wObject = gpGlobals->rgInventory[i].wItem;
bColor = MENUITEM_COLOR;
if (i >= MAX_INVENTORY || wObject == 0)
{
//
// End of the list reached
//
j = 7;
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 * 100, 12 + j * 18),
bColor, TRUE, FALSE);
//
// Draw the cursor on the current selected item
//
if (i == gpGlobals->iCurInvMenuItem)
{
PAL_RLEBlitToSurface(PAL_SpriteGetFrame(gpSpriteUI, SPRITENUM_CURSOR),
gpScreen, PAL_XY(40 + k * 100, 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(96 + k * 100, 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));
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));
}
//
// Draw the description of the selected item
//
#ifndef PAL_WIN95
if (!g_fNoDesc && gpGlobals->lpObjectDesc != NULL)
{
char szDesc[512], *next;
const char *d = PAL_GetObjectDesc(gpGlobals->lpObjectDesc, wObject);
if (d != NULL)
{
k = 150;
strcpy(szDesc, d);
d = szDesc;
while (TRUE)
{
next = strchr(d, '*');
if (next != NULL)
{
*next = '\0';
next++;
}
PAL_DrawText(d, PAL_XY(75, k), DESCTEXT_COLOR, TRUE, 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)
{
wScript = PAL_RunAutoScript(wScript, (1 << 15) | line);
line++;
}
else
{
wScript = PAL_RunAutoScript(wScript, 0);
}
}
}
#endif
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 < 3 * 4) ? (gpGlobals->iCurInvMenuItem / 3) : 4;
k = gpGlobals->iCurInvMenuItem % 3;
PAL_DrawText(PAL_GetWord(wObject), PAL_XY(15 + k * 100, 12 + j * 18),
MENUITEM_COLOR_CONFIRMED, FALSE, FALSE);
}
return wObject;
}
}
return 0xFFFF;
}
VOID
PAL_GameUpdate(
BOOL fTrigger
)
/*++
Purpose:
The main game logic routine. Update the status of everything.
Parameters:
[IN] fTrigger - whether to process trigger events or not.
Return value:
None.
--*/
{
WORD wEventObjectID, wDir;
int i;
LPEVENTOBJECT p;
//
// Check for trigger events
//
if (fTrigger)
{
//
// Check if we are entering a new scene
//
if (gpGlobals->fEnteringScene)
{
//
// Run the script for entering the scene
//
gpGlobals->fEnteringScene = FALSE;
i = gpGlobals->wNumScene - 1;
gpGlobals->g.rgScene[i].wScriptOnEnter =
PAL_RunTriggerScript(gpGlobals->g.rgScene[i].wScriptOnEnter, 0xFFFF);
if (gpGlobals->fEnteringScene || gpGlobals->fGameStart)
{
//
// Don't go further as we're switching to another scene
//
return;
}
PAL_ClearKeyState();
PAL_MakeScene();
}
//
// Update the vanish time for all event objects
//
for (wEventObjectID = 0; wEventObjectID < gpGlobals->g.nEventObject; wEventObjectID++)
{
p = &gpGlobals->g.lprgEventObject[wEventObjectID];
if (p->sVanishTime != 0)
{
p->sVanishTime += ((p->sVanishTime < 0) ? 1 : -1);
}
}
//
// Loop through all event objects in the current scene
//
for (wEventObjectID = gpGlobals->g.rgScene[gpGlobals->wNumScene - 1].wEventObjectIndex + 1;
wEventObjectID <= gpGlobals->g.rgScene[gpGlobals->wNumScene].wEventObjectIndex;
wEventObjectID++)
{
p = &gpGlobals->g.lprgEventObject[wEventObjectID - 1];
if (p->sVanishTime != 0)
{
continue;
}
if (p->sState < 0)
{
if (p->x < PAL_X(gpGlobals->viewport) ||
p->x > PAL_X(gpGlobals->viewport) + 320 ||
p->y < PAL_Y(gpGlobals->viewport) ||
p->y > PAL_Y(gpGlobals->viewport) + 320)
{
p->sState = abs(p->sState);
p->wCurrentFrameNum = 0;
}
}
else if (p->sState > 0 && p->wTriggerMode >= kTriggerTouchNear)
{
//
// This event object can be triggered without manually exploring
//
if (abs(PAL_X(gpGlobals->viewport) + PAL_X(gpGlobals->partyoffset) - p->x) +
abs(PAL_Y(gpGlobals->viewport) + PAL_Y(gpGlobals->partyoffset) - p->y) * 2 <
(p->wTriggerMode - kTriggerTouchNear) * 32 + 16)
{
//
// Player is in the trigger zone.
//
if (p->nSpriteFrames)
{
//
// The sprite has multiple frames. Try to adjust the direction.
//
int xOffset, yOffset;
p->wCurrentFrameNum = 0;
xOffset = PAL_X(gpGlobals->viewport) + PAL_X(gpGlobals->partyoffset) - p->x;
yOffset = PAL_Y(gpGlobals->viewport) + PAL_Y(gpGlobals->partyoffset) - p->y;
if (xOffset > 0)
{
p->wDirection = ((yOffset > 0) ? kDirEast : kDirNorth);
}
else
{
p->wDirection = ((yOffset > 0) ? kDirSouth : kDirWest);
}
//
// Redraw the scene
//
PAL_UpdatePartyGestures(FALSE);
PAL_MakeScene();
VIDEO_UpdateScreen(NULL);
}
//
// Execute the script.
//
p->wTriggerScript = PAL_RunTriggerScript(p->wTriggerScript, wEventObjectID);
PAL_ClearKeyState();
if (gpGlobals->fEnteringScene || gpGlobals->fGameStart)
{
//
// Don't go further on scene switching
//
return;
}
}
}
}
}
//
// Run autoscript for each event objects
//
for (wEventObjectID = gpGlobals->g.rgScene[gpGlobals->wNumScene - 1].wEventObjectIndex + 1;
wEventObjectID <= gpGlobals->g.rgScene[gpGlobals->wNumScene].wEventObjectIndex;
wEventObjectID++)
{
p = &gpGlobals->g.lprgEventObject[wEventObjectID - 1];
if (p->sState > 0 && p->sVanishTime == 0)
{
WORD wScriptEntry = p->wAutoScript;
if (wScriptEntry != 0)
{
p->wAutoScript = PAL_RunAutoScript(wScriptEntry, wEventObjectID);
if (gpGlobals->fEnteringScene || gpGlobals->fGameStart)
{
//
// Don't go further on scene switching
//
return;
}
}
}
//
// Check if the player is in the way
//
if (fTrigger && p->sState >= kObjStateBlocker && p->wSpriteNum != 0 &&
abs(p->x - PAL_X(gpGlobals->viewport) - PAL_X(gpGlobals->partyoffset)) +
abs(p->y - PAL_Y(gpGlobals->viewport) - PAL_Y(gpGlobals->partyoffset)) * 2 <= 12)
{
//
// Player is in the way, try to move a step
//
wDir = (p->wDirection + 1) % 4;
for (i = 0; i < 4; i++)
{
int x, y;
PAL_POS pos;
x = PAL_X(gpGlobals->viewport) + PAL_X(gpGlobals->partyoffset);
y = PAL_Y(gpGlobals->viewport) + PAL_Y(gpGlobals->partyoffset);
x += ((wDir == kDirWest || wDir == kDirSouth) ? -16 : 16);
y += ((wDir == kDirWest || wDir == kDirNorth) ? -8 : 8);
pos = PAL_XY(x, y);
if (!PAL_CheckObstacle(pos, TRUE, 0))
{
//
// move here
//
gpGlobals->viewport = PAL_XY(
PAL_X(pos) - PAL_X(gpGlobals->partyoffset),
PAL_Y(pos) - PAL_Y(gpGlobals->partyoffset));
break;
}
wDir = (wDir + 1) % 4;
}
}
}
gpGlobals->dwFrameNum++;
}
