Files
scummvm-cursorfix/engines/m4/gui/game_menu.cpp
2026-02-02 04:50:13 +01:00

438 lines
13 KiB
C++

/* 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 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/>.
*
*/
#include "m4/core/imath.h"
#include "m4/graphics/gr_sprite.h"
#include "m4/gui/game_menu.h"
#include "m4/gui/gui_vmng.h"
#include "m4/m4.h"
namespace M4 {
namespace GUI {
int16 SaveLoadMenuBase::SL_THUMBNAIL_W;
int16 SaveLoadMenuBase::SL_THUMBNAIL_H;
int16 SaveLoadMenuBase::SL_DIALOG_BOX;
int16 SaveLoadMenuBase::SL_EMPTY_THUMB_25;
int16 SaveLoadMenuBase::SL_SAVE_BTN_GREY;
int16 SaveLoadMenuBase::SL_SAVE_BTN_NORM;
int16 SaveLoadMenuBase::SL_SAVE_BTN_OVER;
int16 SaveLoadMenuBase::SL_SAVE_BTN_PRESS;
int16 SaveLoadMenuBase::SL_LOAD_BTN_GREY;
int16 SaveLoadMenuBase::SL_LOAD_BTN_NORM;
int16 SaveLoadMenuBase::SL_LOAD_BTN_OVER;
int16 SaveLoadMenuBase::SL_LOAD_BTN_PRESS;
int16 SaveLoadMenuBase::SL_CANCEL_BTN_NORM;
int16 SaveLoadMenuBase::SL_CANCEL_BTN_OVER;
int16 SaveLoadMenuBase::SL_CANCEL_BTN_PRESS;
int16 SaveLoadMenuBase::SL_UP_BTN_GREY_19;
int16 SaveLoadMenuBase::SL_UP_BTN_NORM_13;
int16 SaveLoadMenuBase::SL_UP_BTN_OVER_15;
int16 SaveLoadMenuBase::SL_UP_BTN_PRESS_17;
int16 SaveLoadMenuBase::SL_DOWN_BTN_GREY_20;
int16 SaveLoadMenuBase::SL_DOWN_BTN_NORM_14;
int16 SaveLoadMenuBase::SL_DOWN_BTN_OVER_16;
int16 SaveLoadMenuBase::SL_DOWN_BTN_PRESS_18;
int16 SaveLoadMenuBase::SL_SAVE_LABEL_7;
int16 SaveLoadMenuBase::SL_LOAD_LABEL_9;
int16 SaveLoadMenuBase::SL_SLIDER_BTN_NORM_21;
int16 SaveLoadMenuBase::SL_SLIDER_BTN_OVER_22;
int16 SaveLoadMenuBase::SL_SLIDER_BTN_PRESS_23;
int16 SaveLoadMenuBase::SL_LINE_NORM;
int16 SaveLoadMenuBase::SL_LINE_OVER;
int16 SaveLoadMenuBase::SL_LINE_PRESS;
int16 SaveLoadMenuBase::SL_SCROLL_BAR_24;
int16 SaveLoadMenuBase::SL_TOTAL_SPRITES;
void SaveLoadMenuBase::init() {
SL_DIALOG_BOX = 0;
if (IS_RIDDLE) {
SL_THUMBNAIL_W = 213;
SL_THUMBNAIL_H = 160;
SL_LINE_NORM = 5;
SL_LINE_OVER = 6;
SL_LINE_PRESS = 6;
SL_SAVE_LABEL_7 = 7;
SL_LOAD_LABEL_9 = 9;
SL_UP_BTN_NORM_13 = 13;
SL_DOWN_BTN_NORM_14 = 14;
SL_UP_BTN_OVER_15 = 15;
SL_DOWN_BTN_OVER_16 = 16;
SL_UP_BTN_PRESS_17 = 17;
SL_DOWN_BTN_PRESS_18 = 18;
SL_UP_BTN_GREY_19 = 19;
SL_DOWN_BTN_GREY_20 = 20;
SL_SLIDER_BTN_NORM_21 = 21;
SL_SLIDER_BTN_OVER_22 = 22;
SL_SLIDER_BTN_PRESS_23 = 23;
SL_SCROLL_BAR_24 = 24;
SL_EMPTY_THUMB_25 = 25;
SL_TOTAL_SPRITES = 26;
// Unused
SL_SAVE_BTN_GREY = -1;
SL_SAVE_BTN_NORM = -1;
SL_SAVE_BTN_OVER = -1;
SL_SAVE_BTN_PRESS = -1;
SL_LOAD_BTN_GREY = -1;
SL_LOAD_BTN_NORM = -1;
SL_LOAD_BTN_OVER = -1;
SL_LOAD_BTN_PRESS = -1;
SL_CANCEL_BTN_NORM = -1;
SL_CANCEL_BTN_OVER = -1;
SL_CANCEL_BTN_PRESS = -1;
} else {
SL_THUMBNAIL_W = 215;
SL_THUMBNAIL_H = 162;
SL_EMPTY_THUMB_25 = 1;
SL_SAVE_BTN_GREY = 2;
SL_SAVE_BTN_NORM = 3;
SL_SAVE_BTN_OVER = 4;
SL_SAVE_BTN_PRESS = 5;
SL_LOAD_BTN_GREY = 6;
SL_LOAD_BTN_NORM = 7;
SL_LOAD_BTN_OVER = 8;
SL_LOAD_BTN_PRESS = 9;
SL_CANCEL_BTN_NORM = 10;
SL_CANCEL_BTN_OVER = 11;
SL_CANCEL_BTN_PRESS = 12;
SL_UP_BTN_GREY_19 = 13;
SL_UP_BTN_NORM_13 = 14;
SL_UP_BTN_OVER_15 = 15;
SL_UP_BTN_PRESS_17 = 16;
SL_DOWN_BTN_GREY_20 = 17;
SL_DOWN_BTN_NORM_14 = 18;
SL_DOWN_BTN_OVER_16 = 19;
SL_DOWN_BTN_PRESS_18 = 20;
SL_SAVE_LABEL_7 = 21;
SL_LOAD_LABEL_9 = 22;
SL_SLIDER_BTN_NORM_21 = 23;
SL_SLIDER_BTN_OVER_22 = 24;
SL_SLIDER_BTN_PRESS_23 = 25;
SL_LINE_NORM = 26;
SL_LINE_OVER = 27;
SL_LINE_PRESS = 28;
SL_SCROLL_BAR_24 = 29;
SL_TOTAL_SPRITES = 30;
}
}
void SaveLoadMenuBase::initializeSlotTables() {
const SaveStateList saves = g_engine->listSaves();
// First reset all the slots to empty
for (int i = 0; i < MAX_SLOTS; ++i) {
Common::strcpy_s(_GM(slotTitles)[i], 80, "<empty>");
_GM(slotInUse)[i] = false;
}
for (const auto &save : saves) {
if (save.getSaveSlot() != 0) {
Common::String desc = save.getDescription();
Common::strcpy_s(_GM(slotTitles)[save.getSaveSlot() - 1], 80, desc.c_str());
_GM(slotInUse)[save.getSaveSlot() - 1] = true;
}
}
}
Sprite *SaveLoadMenuBase::menu_CreateThumbnail(int32 *spriteSize) {
Buffer RLE8Buff;
uint8 *srcPtr, *srcPtr2, *srcPtr3, *srcRowPtr, *destPtr;
int32 i, status;
int32 currRow, beginRow;
// Create a Sprite for the thumbNail
Sprite *thumbNailSprite = (Sprite *)mem_alloc(sizeof(Sprite), "sprite");
if (thumbNailSprite == nullptr) {
return nullptr;
}
GrBuff *thumbNail = new GrBuff((MAX_VIDEO_X + 1) / 3, (MAX_VIDEO_Y + 1) / 3);
Buffer *destBuff = thumbNail->get_buffer();
if (!destBuff) {
return nullptr;
}
ScreenContext *gameScreen = vmng_screen_find(_G(gameDrawBuff), &status);
if (!gameScreen || (status != SCRN_ACTIVE)) {
return nullptr;
}
Buffer *scrnBuff = _G(gameDrawBuff)->get_buffer();
if (!scrnBuff) {
return nullptr;
}
// Grab the interface buffer
Buffer *intrBuff = _G(gameInterfaceBuff)->get_buffer();
if (gameScreen->y1 > 0) {
// Paint the top of the thumbnail black
beginRow = gameScreen->y1;
memset(destBuff->data, 21, (beginRow / 3) * destBuff->stride);
srcRowPtr = (uint8 *)(scrnBuff->data + (-gameScreen->x1));
destPtr = (uint8 *)(destBuff->data + ((beginRow / 3) * destBuff->stride));
} else {
srcRowPtr = (uint8 *)(scrnBuff->data + ((-gameScreen->y1) * scrnBuff->stride) + (-gameScreen->x1));
beginRow = 0;
destPtr = destBuff->data;
}
int32 endRow = imath_min(MAX_VIDEO_Y, gameScreen->y2);
for (currRow = beginRow; currRow <= endRow; currRow += 3) {
// Set the src pointers
srcPtr = srcRowPtr;
srcPtr2 = srcRowPtr + scrnBuff->stride;
srcPtr3 = srcRowPtr + (scrnBuff->stride << 1);
for (i = 0; i < (MAX_VIDEO_X + 1) / 3; i++) {
// Calculate the average - make sure not to extend past the end of the buffer
if (endRow - currRow < 1) {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2)) / 3));
} else if (endRow - currRow < 2) {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2) +
*srcPtr2 + *(srcPtr2 + 1) + *(srcPtr2 + 2)) / 6));
} else {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2) +
*srcPtr2 + *(srcPtr2 + 1) + *(srcPtr2 + 2) +
*srcPtr3 + *(srcPtr3 + 1) + *(srcPtr3 + 2)) / 9));
}
if (*destPtr == 0) {
*destPtr = 21;
}
// Increment the pointers
srcPtr += 3;
srcPtr2 += 3;
srcPtr3 += 3;
destPtr++;
}
// Update the row pointer
srcRowPtr += scrnBuff->stride * 3;
}
// Reset the currRow
beginRow = currRow;
// Paint the interface section of the thumbnail
if (currRow < MAX_VIDEO_Y) {
// If the interface is visible, grab it
if (intrBuff) {
srcRowPtr = intrBuff->data;
endRow = imath_min(MAX_VIDEO_Y, beginRow + intrBuff->h - 1);
for (currRow = beginRow; currRow <= endRow; currRow += 3) {
// Set the src pointers
srcPtr = srcRowPtr;
srcPtr2 = srcRowPtr + intrBuff->stride;
srcPtr3 = srcRowPtr + (intrBuff->stride << 1);
for (i = 0; i < (MAX_VIDEO_X + 1) / 3; i++) {
// If the pix is outside of the inventory objects in the interface, set to black
// if ((srcPtr - srcRowPtr < 180) || (srcPtr - srcRowPtr > 575)) {
if (true) { // for now make everything in the interface black
*destPtr = 21;
}
// Else calculate the average - make sure not to extend past the end of the buffer
else {
if (endRow - currRow < 1) {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2)) / 3));
} else if (endRow - currRow < 2) {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2) +
*srcPtr2 + *(srcPtr2 + 1) + *(srcPtr2 + 2)) / 6));
} else {
*destPtr = (uint8)((uint32)((*srcPtr + *(srcPtr + 1) + *(srcPtr + 2) +
*srcPtr2 + *(srcPtr2 + 1) + *(srcPtr2 + 2) +
*srcPtr3 + *(srcPtr3 + 1) + *(srcPtr3 + 2)) / 9));
}
if (*destPtr == 0) {
*destPtr = 21;
}
}
// Increment the pointers
srcPtr += 3;
srcPtr2 += 3;
srcPtr3 += 3;
destPtr++;
}
// Update the row pointer
srcRowPtr += intrBuff->stride * 3;
}
} else {
// Else paint the bottom of the thumbnail black
destPtr = (uint8 *)(destBuff->data + ((currRow / 3) * destBuff->stride));
memset(destPtr, 21, (destBuff->h - (currRow / 3)) * destBuff->stride);
}
}
// Reset the currRow
beginRow = currRow;
if (currRow < MAX_VIDEO_Y) {
// Paint the bottom of the thumbnail black
destPtr = (uint8 *)(destBuff->data + ((currRow / 3) * destBuff->stride));
memset(destPtr, 21, (destBuff->h - (currRow / 3)) * destBuff->stride);
}
// Compress the thumbNail data into the RLE8Buff
if ((*spriteSize = (int32)gr_sprite_RLE8_encode(destBuff, &RLE8Buff)) <= 0) {
return nullptr;
}
// Fill in the Sprite structure
thumbNailSprite->w = destBuff->w;
thumbNailSprite->h = destBuff->h;
thumbNailSprite->encoding = RLE8;
thumbNailSprite->data = nullptr;
thumbNailSprite->sourceHandle = NewHandle(*spriteSize, "thumbNail source");
thumbNailSprite->sourceOffset = 0;
// Now copy the RLE8Buff into the thumbNail source handle
HLock(thumbNailSprite->sourceHandle);
thumbNailSprite->data = (uint8 *)(*(thumbNailSprite->sourceHandle));
memcpy(thumbNailSprite->data, RLE8Buff.data, *spriteSize);
HUnLock(thumbNailSprite->sourceHandle);
// Release all buffers
_G(gameDrawBuff)->release();
if (intrBuff) {
_G(gameInterfaceBuff)->release();
}
thumbNail->release();
// Free up both the thumbNail and the RLE8Buff
delete thumbNail;
mem_free((void *)RLE8Buff.data);
return thumbNailSprite;
}
bool SaveLoadMenuBase::loadThumbnail(int32 slotNum) {
Sprite *&thumbNailSprite = _GM(thumbNails)[slotNum];
return g_engine->loadSaveThumbnail(slotNum + 1, thumbNailSprite);
}
void SaveLoadMenuBase::unloadThumbnail(int32 slotNum) {
if (_GM(thumbNails)[slotNum]->sourceHandle) {
HUnLock(_GM(thumbNails)[slotNum]->sourceHandle);
DisposeHandle(_GM(thumbNails)[slotNum]->sourceHandle);
_GM(thumbNails)[slotNum]->sourceHandle = nullptr;
}
}
void SaveLoadMenuBase::updateThumbnails(int32 firstSlot, guiMenu *myMenu) {
int32 i, startIndex, endIndex;
// Make sure there is something to update
if (firstSlot == _GM(thumbIndex)) {
return;
}
// Ensure firstSlot is in a valid range
firstSlot = imath_max(imath_min(firstSlot, 89), 0);
if (firstSlot > _GM(thumbIndex)) {
// Dump Out all thumbnails in slots which don't overlap
startIndex = _GM(thumbIndex);
endIndex = imath_min(_GM(thumbIndex) + 9, firstSlot - 1);
for (i = startIndex; i <= endIndex; i++) {
unloadThumbnail(i);
}
// Load in all thumbnails missing thumbnails
startIndex = imath_max(_GM(thumbIndex) + 10, firstSlot);
endIndex = imath_min(firstSlot + 9, 98);
for (i = startIndex; i <= endIndex; i++) {
if (_GM(slotInUse)[i]) {
if (!loadThumbnail(i)) {
_GM(slotInUse)[i] = false;
menuItemButton::disableButton(nullptr, 1001 + i - firstSlot, myMenu);
guiMenu::itemRefresh(nullptr, 1001 + i - firstSlot, myMenu);
}
}
}
} else {
// Else firstSlot < _GM(thumbIndex)
// Dump Out all thumbnails in slots which don't overlap
startIndex = imath_max(firstSlot + 10, _GM(thumbIndex));
endIndex = imath_min(_GM(thumbIndex) + 9, 98);
for (i = startIndex; i <= endIndex; i++) {
unloadThumbnail(i);
}
// Load in all thumbnails missing thumbnails
startIndex = firstSlot;
endIndex = imath_min(firstSlot + 9, _GM(thumbIndex) - 1);
for (i = startIndex; i <= endIndex; i++) {
if (_GM(slotInUse)[i]) {
if (!loadThumbnail(i)) {
_GM(slotInUse)[i] = false;
menuItemButton::disableButton(nullptr, 1001 + i - firstSlot, myMenu);
guiMenu::itemRefresh(nullptr, 1001 + i - firstSlot, myMenu);
}
}
}
}
// Set the var
_GM(thumbIndex) = firstSlot;
}
void SaveLoadMenuBase::setFirstSlot(int32 firstSlot, guiMenu *myMenu) {
if (!myMenu) {
return;
}
// Ensure firstSlot is in a valid range
firstSlot = imath_max(imath_min(firstSlot, 89), 0);
// Change the prompt and special tag of each of the slot buttons
for (int32 i = 0; i < MAX_SLOTS_SHOWN; i++) {
menuItemButton *myButton = (menuItemButton *)guiMenu::getItem(i + 1001, myMenu);
myButton->prompt = _GM(slotTitles)[firstSlot + i];
if (_GM(currMenuIsSave) || _GM(slotInUse)[firstSlot + i]) {
myButton->itemFlags = menuItemButton::BTN_STATE_NORM;
} else {
myButton->itemFlags = menuItemButton::BTN_STATE_GREY;
}
myButton->specialTag = firstSlot + i + 1;
guiMenu::itemRefresh(myButton, i + 1001, myMenu);
}
}
} // namespace GUI
} // namespace M4