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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/events.h"
#include "common/stream.h"
#include "graphics/cursorman.h"
#include "startrek/graphics.h"
namespace StarTrek {
/**
* Returns the index of the button at the given position, or -1 if none.
*/
int StarTrekEngine::getMenuButtonAt(const Menu &menu, int x, int y) {
for (int i = 0; i < menu.numButtons; i++) {
const Sprite &spr = menu.sprites[i];
if (spr.drawMode != 2)
continue;
int left = spr.pos.x - spr.bitmap->xoffset;
int top = spr.pos.y - spr.bitmap->yoffset;
// Oddly, this doesn't account for x/yoffset...
int right = spr.pos.x + spr.bitmap->width - 1;
int bottom = spr.pos.y + spr.bitmap->height - 1;
if (x >= left && x <= right && y >= top && y <= bottom)
return i;
}
return -1;
}
/**
* This chooses a sprite from the list to place the mouse cursor at. The sprite it chooses
* may be, for example, the top-leftmost one in the list. Exact behaviour is determined by
* the "mode" parameter.
*
* If "containMouseSprite" is a valid index, it's ensured that the mouse is contained
* within it. "mode" should be -1 in this case.
*/
void StarTrekEngine::chooseMousePositionFromSprites(Sprite *sprites, int numSprites, int containMouseSprite, int mode) {
uint16 mouseX1 = 0x7fff; // Candidate positions to warp mouse to
uint16 mouseY1 = 0x7fff;
uint16 mouseX2 = 0x7fff;
uint16 mouseY2 = 0x7fff;
Common::Point mousePos = _gfx->getMousePos();
// Ensure the cursor is contained within one of the sprites
if (containMouseSprite >= 0 && containMouseSprite < numSprites) {
Common::Rect rect = sprites[containMouseSprite].getRect();
if (mousePos.x < rect.left || mousePos.x >= rect.right
|| mousePos.y < rect.top || mousePos.y >= rect.bottom) {
mousePos.x = (rect.left + rect.right) / 2;
mousePos.y = (rect.top + rect.bottom) / 2;
}
}
// Choose a sprite to warp the cursor to
for (int i = 0; i < numSprites; i++) {
Sprite *sprite = &sprites[i];
if (sprite->drawMode != 2) // Skip hidden buttons
continue;
Common::Rect rect = sprite->getRect();
int hCenter = (rect.left + rect.right) / 2;
int vCenter = (rect.top + rect.bottom) / 2;
// Choose which sprite is closest based on certain criteria?
switch(mode) {
case 0: // Choose topmost, leftmost sprite that's below the cursor
if (((vCenter == mousePos.y && hCenter > mousePos.x) || vCenter > mousePos.y)
&& (vCenter < mouseY1 || (vCenter == mouseY1 && hCenter < mouseX1))) {
mouseX1 = hCenter;
mouseY1 = vCenter;
}
// fall through
case 4: // Choose topmost, leftmost sprite
if (vCenter < mouseY2 || (vCenter == mouseY2 && hCenter < mouseX2)) {
mouseX2 = hCenter;
mouseY2 = vCenter;
}
break;
case 1: // Choose bottommost, rightmost sprite that's above the cursor
if (((vCenter == mousePos.y && hCenter < mousePos.x) || vCenter < mousePos.y)
&& (mouseY1 == 0x7fff || vCenter > mouseY1
|| (vCenter == mouseY1 && hCenter > mouseX1))) {
mouseX1 = hCenter;
mouseY1 = vCenter;
}
// fall through
case 5: // Choose bottommost, rightmost sprite
if (mouseY2 == 0x7fff || vCenter > mouseY2
|| (vCenter == mouseY2 && hCenter > mouseX2)) {
mouseX2 = hCenter;
mouseY2 = vCenter;
}
break;
case 2:
// This seems broken... OR condition on first line has no affect on the logic...
if ((vCenter < mousePos.y || (vCenter == mouseY1 && hCenter == mousePos.x))
&& (mouseX1 == 0x7fff || vCenter >= mouseY1)) {
mouseX1 = hCenter;
mouseY1 = vCenter;
debug("Try %d %d", mouseX1, mouseY1);
}
if (mouseX2 == 0x7fff || vCenter > mouseY2
|| (hCenter == mouseX2 && vCenter == mouseY2)) {
mouseX2 = hCenter;
mouseY2 = vCenter;
}
break;
case 3:
// Similar to above...
if ((vCenter > mousePos.y || (vCenter == mouseY1 && hCenter == mousePos.x))
&& (mouseX1 == 0x7fff || vCenter <= mouseY1)) {
mouseX1 = hCenter;
mouseY1 = vCenter;
}
if (mouseX2 == 0x7fff || vCenter < mouseY2
|| (hCenter == mouseX2 && vCenter == mouseY2)) {
mouseX2 = hCenter;
mouseY2 = vCenter;
}
break;
}
}
// Warp mouse to one of the coordinates, if one is valid
if (mouseX1 != 0x7fff) {
mousePos.x = mouseX1;
mousePos.y = mouseY1;
}
else if (mouseX2 != 0x7fff) {
mousePos.x = mouseX2;
mousePos.y = mouseY2;
}
_system->warpMouse(mousePos.x, mousePos.y);
}
/**
* Draws or removes the outline on menu buttons when the cursor hovers on them, or leaves
* them.
*/
void StarTrekEngine::drawMenuButtonOutline(SharedPtr<Bitmap> bitmap, byte color) {
int lineWidth = bitmap->width-2;
int offsetToBottom = (bitmap->height-3)*bitmap->width;
byte *dest = bitmap->pixels + bitmap->width + 1;
while (lineWidth--) {
*dest = color;
*(dest+offsetToBottom) = color;
dest++;
}
int lineHeight = bitmap->height - 2;
int offsetToRight = bitmap->width - 3;
dest = bitmap->pixels + bitmap->width + 1;
while (lineHeight--) {
*dest = color;
*(dest+offsetToRight) = color;
dest += bitmap->width;
}
}
void StarTrekEngine::showOptionsMenu(int x, int y) {
bool tmpMouseControllingShip = _mouseControllingShip;
_mouseControllingShip = false;
Common::Point oldMousePos = _gfx->getMousePos();
SharedPtr<Bitmap> oldMouseBitmap = _gfx->_mouseBitmap;
_gfx->setMouseCursor(_gfx->loadBitmap("options"));
loadMenuButtons("options", x, y);
uint32 disabledButtons = 0;
if (_musicWorking) {
if (_musicEnabled)
disabledButtons |= (1 << OPTIONBUTTON_ENABLEMUSIC);
else
disabledButtons |= (1 << OPTIONBUTTON_DISABLEMUSIC);
}
else
disabledButtons |= (1 << OPTIONBUTTON_ENABLEMUSIC) | (1 << OPTIONBUTTON_DISABLEMUSIC);
if (_sfxWorking) {
if (_sfxEnabled)
disabledButtons |= (1 << OPTIONBUTTON_ENABLESFX);
else
disabledButtons |= (1 << OPTIONBUTTON_DISABLESFX);
}
else
disabledButtons |= (1 << OPTIONBUTTON_ENABLESFX) | (1 << OPTIONBUTTON_DISABLESFX);
disableMenuButtons(disabledButtons);
chooseMousePositionFromSprites(_activeMenu->sprites, _activeMenu->numButtons, -1, 4);
int event = handleMenuEvents(0, false);
unloadMenuButtons();
_mouseControllingShip = tmpMouseControllingShip;
_gfx->setMouseCursor(oldMouseBitmap);
if (event != MENUEVENT_LCLICK_OFFBUTTON && event != MENUEVENT_RCLICK_OFFBUTTON)
_system->warpMouse(oldMousePos.x, oldMousePos.y);
// Can't use OPTIONBUTTON constants since the button retvals differ from the button
// indices...
switch(event) {
case 0: // Save
showSaveMenu();
break;
case 1: // Load
showLoadMenu();
break;
case 2: // Enable music
_sound->setMusicEnabled(true);
break;
case 3: // Disable music
_sound->setMusicEnabled(false);
break;
case 4: // Enable sfx
_sound->setSfxEnabled(true);
break;
case 5: // Disable sfx
_sound->setSfxEnabled(false);
break;
case 6: // Quit
showQuitGamePrompt(20, 20);
break;
case 7: // Text
showTextConfigurationMenu(true);
break;
default:
break;
}
}
/**
* Loads a .MNU file, which is a list of buttons to display.
*/
void StarTrekEngine::loadMenuButtons(String mnuFilename, int xpos, int ypos) {
if (_activeMenu == nullptr)
_keyboardControlsMouseOutsideMenu = _keyboardControlsMouse;
SharedPtr<Menu> oldMenu = _activeMenu;
_activeMenu = SharedPtr<Menu>(new Menu());
_activeMenu->nextMenu = oldMenu;
SharedPtr<FileStream> stream = loadFile(mnuFilename + ".MNU");
_activeMenu->menuFile = stream;
_activeMenu->numButtons = _activeMenu->menuFile->size() / 16;
for (int i = 0; i < _activeMenu->numButtons; i++) {
memset(&_activeMenu->sprites[i], 0, sizeof(Sprite));
_gfx->addSprite(&_activeMenu->sprites[i]);
_activeMenu->sprites[i].drawMode = 2;
char bitmapBasename[11];
stream->seek(i * 16, SEEK_SET);
stream->read(bitmapBasename, 10);
for (int j = 0; j < 10; j++) {
if (bitmapBasename[j] == ' ')
bitmapBasename[j] = '\0';
}
bitmapBasename[10] = '\0';
_activeMenu->sprites[i].bitmap = _gfx->loadBitmap(bitmapBasename);
_activeMenu->sprites[i].pos.x = stream->readUint16() + xpos;
_activeMenu->sprites[i].pos.y = stream->readUint16() + ypos;
_activeMenu->retvals[i] = stream->readUint16();
_activeMenu->sprites[i].field6 = 8;
}
if (_activeMenu->retvals[_activeMenu->numButtons - 1] == 0) {
// Set default retvals for buttons
for (int i = 0; i < _activeMenu->numButtons; i++)
_activeMenu->retvals[i] = i;
}
_activeMenu->selectedButton = -1;
_activeMenu->disabledButtons = 0;
_keyboardControlsMouse = false;
}
/**
* Sets which buttons are visible based on the given bitmask.
*/
void StarTrekEngine::setVisibleMenuButtons(uint32 bits) {
for (int i = 0; i < _activeMenu->numButtons; i++) {
Sprite *sprite = &_activeMenu->sprites[i];
uint32 spriteBitmask = (1 << i);
if (spriteBitmask == 0)
break;
if ((bits & spriteBitmask) == 0 || sprite->drawMode != 0) {
if ((bits & spriteBitmask) == 0 && sprite->drawMode == 2) {
if (i == _activeMenu->selectedButton) {
drawMenuButtonOutline(sprite->bitmap, 0x00);
_activeMenu->selectedButton = -1;
}
sprite->field16 = true;
sprite->bitmapChanged = true;
}
}
else {
_gfx->addSprite(sprite);
sprite->drawMode = 2;
sprite->bitmapChanged = true;
}
}
_gfx->drawAllSprites();
for (int i = 0; i < _activeMenu->numButtons; i++) {
Sprite *sprite = &_activeMenu->sprites[i];
uint32 spriteBitmask = (1 << i);
if (spriteBitmask == 0)
break;
if ((bits & spriteBitmask) == 0 && sprite->drawMode == 2) {
_gfx->delSprite(sprite);
// Setting drawMode to 0 is the game's way of saying that the menu button is
// hidden (since it would normally be 2).
sprite->drawMode = 0;
}
}
}
/**
* Disables the given bitmask of buttons.
*/
void StarTrekEngine::disableMenuButtons(uint32 bits) {
_activeMenu->disabledButtons |= bits;
if (_activeMenu->selectedButton != -1
&& (_activeMenu->disabledButtons & (1 << _activeMenu->selectedButton))) {
Sprite *sprite = &_activeMenu->sprites[_activeMenu->selectedButton];
drawMenuButtonOutline(sprite->bitmap, 0x00);
sprite->bitmapChanged = true;
_activeMenu->selectedButton = -1;
}
}
void StarTrekEngine::enableMenuButtons(uint32 bits) {
_activeMenu->disabledButtons &= ~bits;
}
/**
* This returns either a special menu event (negative number) or the retval of the button
* clicked (usually an index, always positive).
*/
int StarTrekEngine::handleMenuEvents(uint32 ticksUntilClickingEnabled, bool arg4) {
// TODO: finish
uint32 tickWhenClickingEnabled = _clockTicks + ticksUntilClickingEnabled;
while (true) {
TrekEvent event;
while (popNextEvent(&event)) {
switch(event.type) {
case TREKEVENT_TICK: {
case TREKEVENT_MOUSEMOVE: // FIXME: actual game only uses TICK event here
Common::Point mousePos = _gfx->getMousePos();
int buttonIndex = getMenuButtonAt(*_activeMenu, mousePos.x, mousePos.y);
if (buttonIndex != -1) {
if (_activeMenu->disabledButtons & (1<<buttonIndex))
buttonIndex = -1;
}
if (buttonIndex != _activeMenu->selectedButton) {
if (_activeMenu->selectedButton != -1) {
Sprite &spr = _activeMenu->sprites[_activeMenu->selectedButton];
drawMenuButtonOutline(spr.bitmap, 0x00);
spr.bitmapChanged = true;
}
if (buttonIndex != -1) {
Sprite &spr = _activeMenu->sprites[buttonIndex];
drawMenuButtonOutline(spr.bitmap, 0xda);
spr.bitmapChanged = true;
}
_activeMenu->selectedButton = buttonIndex;
}
// Not added: updating mouse position (scummvm handles that)
// sub_10492();
// sub_10A91();
_gfx->drawAllSprites();
// sub_10BE7();
// sub_2A4B1();
if (_finishedPlayingSpeech != 0) {
_finishedPlayingSpeech = 0;
if (_textDisplayMode != TEXTDISPLAY_WAIT) {
return TEXTBUTTON_SPEECH_DONE;
}
}
// sub_1E88C();
_frameIndex++;
if (ticksUntilClickingEnabled != 0 && _clockTicks >= tickWhenClickingEnabled)
return MENUEVENT_ENABLEINPUT;
break;
}
case TREKEVENT_LBUTTONDOWN:
if (_activeMenu->selectedButton != -1) {
playSoundEffectIndex(0x10);
return _activeMenu->retvals[_activeMenu->selectedButton];
}
else {
Common::Point mouse = _gfx->getMousePos();
if (getMenuButtonAt(*_activeMenu, mouse.x, mouse.y) == -1) {
playSoundEffectIndex(0x10);
return MENUEVENT_LCLICK_OFFBUTTON;
}
}
break;
case TREKEVENT_RBUTTONDOWN:
// TODO
break;
case TREKEVENT_KEYDOWN:
// TODO
break;
default:
break;
}
}
}
}
void StarTrekEngine::unloadMenuButtons() {
if (_activeMenu->selectedButton != -1)
drawMenuButtonOutline(_activeMenu->sprites[_activeMenu->selectedButton].bitmap, 0x00);
for (int i = 0; i < _activeMenu->numButtons; i++) {
Sprite *sprite = &_activeMenu->sprites[i];
if (sprite->drawMode == 2) {
sprite->field16 = true;
sprite->bitmapChanged = true;
}
}
_gfx->drawAllSprites();
for (int i = 0; i < _activeMenu->numButtons; i++) {
Sprite *sprite = &_activeMenu->sprites[i];
sprite->bitmap.reset();
if (sprite->drawMode == 2)
_gfx->delSprite(sprite);
}
_activeMenu = _activeMenu->nextMenu;
if (_activeMenu == nullptr)
_keyboardControlsMouse = _keyboardControlsMouseOutsideMenu;
}
void StarTrekEngine::showSaveMenu() {
// TODO
}
void StarTrekEngine::showLoadMenu() {
// TODO
}
void StarTrekEngine::showQuitGamePrompt(int x, int y) {
const char *options[] = {
"Quit Game",
"#GENE\\GENER028#Yes, quit the game.",
"#GENE\\GENER008#No, do not quit the game.",
""
};
if (_inQuitGameMenu)
return;
_inQuitGameMenu = true;
int val = showText(&StarTrekEngine::readTextFromArray, (uintptr)options, x, y, 0xb0, true, 0, 1);
_inQuitGameMenu = false;
if (val == 0) {
// sub_1e70d();
_system->quit();
}
}
/**
* This can be called from startup or from the options menu.
* On startup, this tries to load the setting without user input.
*/
void StarTrekEngine::showTextConfigurationMenu(bool fromOptionMenu) {
const char *options[] = { // TODO: languages...
"Text display",
"Text subtitles.",
"Display text until you press enter.",
"No text displayed.",
""
};
int val;
if (fromOptionMenu || (val = loadTextDisplayMode()) == -1) {
val = showText(&StarTrekEngine::readTextFromArray, (uintptr)options, 20, 30, 0xb0, true, 0, 1);
saveTextDisplayMode(val);
}
switch(val) {
case 0:
_textDisplayMode = TEXTDISPLAY_SUBTITLES;
break;
case 1:
_textDisplayMode = TEXTDISPLAY_WAIT;
break;
case 2:
_textDisplayMode = TEXTDISPLAY_NONE;
break;
}
}
int StarTrekEngine::loadTextDisplayMode() {
return -1; // TODO
}
void StarTrekEngine::saveTextDisplayMode(int value) {
// TODO;
}
}
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