142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "scumm/he/intern_he.h"
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#include "scumm/he/basketball/basketball.h"
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#include "scumm/he/logic_he.h"
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namespace Scumm {
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#define STICKY_CURSOR_VALUE 2
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static void checkCursorBounds(const Common::Point &oldCursorPos, Common::Point *cursorPos) {
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Common::Rect windowRect(0, 0, 640, 480);
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// Make sure the cursor wasn't pushed out of the window...
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if ((cursorPos->x < (windowRect.left + 1)) && (oldCursorPos.x > windowRect.left)) {
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cursorPos->x = (windowRect.left + 1);
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}
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if ((cursorPos->x > (windowRect.right - 1)) && (oldCursorPos.x < windowRect.right)) {
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cursorPos->x = (windowRect.right - 1);
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}
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if ((cursorPos->y < (windowRect.top + 1)) && (oldCursorPos.y > windowRect.top)) {
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cursorPos->y = (windowRect.top + 1);
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}
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if ((cursorPos->y > (windowRect.bottom - 1)) && (oldCursorPos.y < windowRect.bottom)) {
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cursorPos->y = (windowRect.bottom - 1);
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}
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}
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int LogicHEBasketball::u32_userUpdateCursorPos(int xScrollVal, int yScrollVal) {
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int xChange = 0;
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int yChange = 0;
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Common::Point currentCursorPos = _vm->_mouse;
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// Update that position due to any camera scrolling that happened this frame...
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Common::Point newCursorPos;
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newCursorPos.x = currentCursorPos.x - xScrollVal;
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newCursorPos.y = currentCursorPos.y - yScrollVal;
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// Make sure the cursor wasn't pushed out of the window...
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checkCursorBounds(currentCursorPos, &newCursorPos);
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// Update the cursor position...
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_vm->_mouse = newCursorPos;
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// Calculate how much the cursor actually changed this frame...
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xChange = newCursorPos.x - currentCursorPos.x;
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yChange = newCursorPos.y - currentCursorPos.y;
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writeScummVar(_vm1->VAR_U32_USER_VAR_A, 1);
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writeScummVar(_vm1->VAR_U32_USER_VAR_B, xChange);
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writeScummVar(_vm1->VAR_U32_USER_VAR_C, yChange);
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return 1;
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}
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int LogicHEBasketball::u32_userMakeCursorSticky(int lastCursorX, int lastCursorY) {
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int success = 0;
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int xChange = 0;
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int yChange = 0;
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Common::Point currentCursorPos = _vm->_mouse;
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Common::Point newCursorPos;
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// Update that position due to any camera scrolling that happened this frame...
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newCursorPos.x = lastCursorX + ((currentCursorPos.x - lastCursorX) / STICKY_CURSOR_VALUE);
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newCursorPos.y = lastCursorY + ((currentCursorPos.y - lastCursorY) / STICKY_CURSOR_VALUE);
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// Make sure the cursor wasn't pushed out of the window...
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checkCursorBounds(currentCursorPos, &newCursorPos);
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// Update the cursor position...
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_vm->_mouse = newCursorPos;
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// Calculate how much the cursor actually changed this frame...
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xChange = newCursorPos.x - currentCursorPos.x;
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yChange = newCursorPos.y - currentCursorPos.y;
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writeScummVar(_vm1->VAR_U32_USER_VAR_A, success);
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writeScummVar(_vm1->VAR_U32_USER_VAR_B, xChange);
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writeScummVar(_vm1->VAR_U32_USER_VAR_C, yChange);
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return 1;
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}
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int LogicHEBasketball::u32_userCursorTrackMovingObject(int xChange, int yChange) {
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Common::Point currentCursorPos = _vm->_mouse;
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Common::Point newCursorPos;
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// Update that position due to any camera scrolling that happened this frame...
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newCursorPos.x = currentCursorPos.x + xChange;
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newCursorPos.y = currentCursorPos.y + yChange;
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// Make sure the cursor wasn't pushed out of the window...
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checkCursorBounds(currentCursorPos, &newCursorPos);
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// Update the cursor position...
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_vm->_mouse = newCursorPos;
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writeScummVar(_vm1->VAR_U32_USER_VAR_A, 1);
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writeScummVar(_vm1->VAR_U32_USER_VAR_B, xChange);
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writeScummVar(_vm1->VAR_U32_USER_VAR_C, yChange);
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return 1;
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}
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int LogicHEBasketball::u32_userGetCursorPos() {
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writeScummVar(_vm1->VAR_U32_USER_VAR_A, _vm->_mouse.x);
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writeScummVar(_vm1->VAR_U32_USER_VAR_B, _vm->_mouse.y);
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return 1;
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}
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} // End of namespace Scumm
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