mirror of
https://github.com/libretro/scummvm.git
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121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
/* Copyright (C) 1994-2004 Revolution Software Ltd
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#include "common/stdafx.h"
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#include "sword2/sword2.h"
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#include "sword2/driver/d_draw.h"
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#include "sword2/driver/menu.h"
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#include "sword2/driver/render.h"
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namespace Sword2 {
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Graphics::Graphics(Sword2Engine *vm, int16 width, int16 height)
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: _vm(vm), _iconCount(0), _needFullRedraw(false),
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_fadeStatus(RDFADE_NONE), _mouseSprite(NULL), _mouseAnim(NULL),
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_luggageAnim(NULL), _layer(0), _renderAverageTime(60),
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_lightMask(NULL), _screenWide(width), _screenDeep(height) {
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int i, j;
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_buffer = _dirtyGrid = NULL;
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_buffer = (byte *) malloc(width * height);
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if (!_buffer)
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error("Could not initialise display");
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_vm->_system->init_size(width, height);
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_gridWide = width / CELLWIDE;
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_gridDeep = height / CELLDEEP;
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if ((width % CELLWIDE) || (height % CELLDEEP))
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error("Bad cell size");
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_dirtyGrid = (byte *) calloc(_gridWide, _gridDeep);
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if (!_buffer)
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error("Could not initialise dirty grid");
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for (i = 0; i < ARRAYSIZE(_blockSurfaces); i++)
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_blockSurfaces[i] = NULL;
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for (i = 0; i < 2; i++) {
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for (j = 0; j < RDMENU_MAXPOCKETS; j++) {
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_icons[i][j] = NULL;
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_pocketStatus[i][j] = 0;
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}
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_menuStatus[i] = RDMENU_HIDDEN;
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}
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}
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Graphics::~Graphics() {
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free(_buffer);
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free(_dirtyGrid);
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closeBackgroundLayer();
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free(_lightMask);
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free(_mouseAnim);
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free(_luggageAnim);
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for (int i = 0; i < 2; i++)
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for (int j = 0; j < RDMENU_MAXPOCKETS; j++)
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free(_icons[i][j]);
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}
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/**
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* @return the graphics detail setting
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*/
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int8 Graphics::getRenderLevel(void) {
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return _renderLevel;
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}
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void Graphics::setRenderLevel(int8 level) {
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_renderLevel = level;
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switch (_renderLevel) {
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case 0:
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// Lowest setting: no fancy stuff
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_renderCaps = 0;
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break;
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case 1:
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// Medium-low setting: transparency-blending
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_renderCaps = RDBLTFX_SPRITEBLEND;
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break;
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case 2:
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// Medium-high setting: transparency-blending + shading
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_renderCaps = RDBLTFX_SPRITEBLEND | RDBLTFX_SHADOWBLEND;
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break;
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case 3:
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// Highest setting: transparency-blending + shading +
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// edge-blending + improved stretching
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_renderCaps = RDBLTFX_SPRITEBLEND | RDBLTFX_SHADOWBLEND | RDBLTFX_EDGEBLEND;
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break;
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}
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}
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/**
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* Fill the screen buffer with palette colour zero. Note that it does not
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* touch the menu areas of the screen.
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*/
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void Graphics::clearScene(void) {
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memset(_buffer + MENUDEEP * _screenWide, 0, _screenWide * RENDERDEEP);
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}
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} // End of namespace Sword2
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