scummvm/backends/graphics/sdl/resvm-sdl-graphics.cpp
2020-05-09 20:58:00 +02:00

331 lines
9.0 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM 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 "backends/graphics/sdl/resvm-sdl-graphics.h"
#include "backends/platform/sdl/sdl-sys.h"
#include "backends/events/sdl/resvm-sdl-events.h"
#include "backends/platform/sdl/sdl.h"
#include "common/config-manager.h"
#include "common/textconsole.h"
#include "common/file.h"
static const OSystem::GraphicsMode s_supportedGraphicsModes[] = {
{0, 0, 0}
};
ResVmSdlGraphicsManager::ResVmSdlGraphicsManager(SdlEventSource *source, SdlWindow *window, const Capabilities &capabilities) :
SdlGraphicsManager(source, window),
_fullscreen(false),
_lockAspectRatio(true),
_overlayVisible(false),
_screenChangeCount(0),
_capabilities(capabilities),
_engineRequestedWidth(0),
_engineRequestedHeight(0) {
ConfMan.registerDefault("fullscreen_res", "desktop");
ConfMan.registerDefault("aspect_ratio", true);
ConfMan.registerDefault("vsync", true);
}
ResVmSdlGraphicsManager::~ResVmSdlGraphicsManager() {
}
void ResVmSdlGraphicsManager::activateManager() {
SdlGraphicsManager::activateManager();
// Register the graphics manager as a event observer
g_system->getEventManager()->getEventDispatcher()->registerObserver(this, 10, false);
}
void ResVmSdlGraphicsManager::deactivateManager() {
// Unregister the event observer
if (g_system->getEventManager()->getEventDispatcher()) {
g_system->getEventManager()->getEventDispatcher()->unregisterObserver(this);
}
SdlGraphicsManager::deactivateManager();
}
Common::Rect ResVmSdlGraphicsManager::getPreferredFullscreenResolution() {
// Default to the desktop resolution ...
uint preferredWidth = _capabilities.desktopWidth;
uint preferredHeight = _capabilities.desktopHeight;
#if SDL_VERSION_ATLEAST(2, 0, 0)
// When using SDL2, we can query the desktop resolution for the screen our window sits in
int displayIndex = -1;
SDL_Window *sdlWindow = _window->getSDLWindow();
if (sdlWindow) {
displayIndex = SDL_GetWindowDisplayIndex(sdlWindow);
}
if (displayIndex >= 0) {
SDL_DisplayMode displayMode;
if (!SDL_GetDesktopDisplayMode(displayIndex, &displayMode)) {
preferredWidth = displayMode.w;
preferredHeight = displayMode.h;
}
}
#endif
// ... unless the user has set a resolution in the configuration file
const Common::String &fsres = ConfMan.get("fullscreen_res");
if (fsres != "desktop") {
uint newW, newH;
int converted = sscanf(fsres.c_str(), "%ux%u", &newW, &newH);
if (converted == 2) {
preferredWidth = newW;
preferredHeight = newH;
} else {
warning("Could not parse 'fullscreen_res' option: expected WWWxHHH, got %s", fsres.c_str());
}
}
return Common::Rect(preferredWidth, preferredHeight);
}
void ResVmSdlGraphicsManager::resetGraphicsScale() {
setGraphicsMode(0);
}
void ResVmSdlGraphicsManager::setFeatureState(OSystem::Feature f, bool enable) {
switch (f) {
case OSystem::kFeatureAspectRatioCorrection:
_lockAspectRatio = enable;
break;
default:
break;
}
}
bool ResVmSdlGraphicsManager::getFeatureState(OSystem::Feature f) const {
switch (f) {
case OSystem::kFeatureFullscreenMode:
return _fullscreen;
case OSystem::kFeatureAspectRatioCorrection:
return _lockAspectRatio;
default:
return false;
}
}
const OSystem::GraphicsMode *ResVmSdlGraphicsManager::getSupportedGraphicsModes() const {
return s_supportedGraphicsModes;
}
int ResVmSdlGraphicsManager::getDefaultGraphicsMode() const {
return 0;// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::beginGFXTransaction() {
// ResidualVM: not use it
}
OSystem::TransactionError ResVmSdlGraphicsManager::endGFXTransaction() {
// ResidualVM: not use it
return OSystem::kTransactionSuccess;
}
#ifdef USE_RGB_COLOR
Common::List<Graphics::PixelFormat> ResVmSdlGraphicsManager::getSupportedFormats() const {
// ResidualVM: not use it
return _supportedFormats;
}
#endif
bool ResVmSdlGraphicsManager::setGraphicsMode(int mode) {
// ResidualVM: not use it
return true;
}
int ResVmSdlGraphicsManager::getGraphicsMode() const {
// ResidualVM: not use it
return 0;
}
void ResVmSdlGraphicsManager::initSize(uint w, uint h, const Graphics::PixelFormat *format) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::copyRectToScreen(const void *src, int pitch, int x, int y, int w, int h) {
// ResidualVM: not use it
}
Graphics::Surface *ResVmSdlGraphicsManager::lockScreen() {
return NULL; // ResidualVM: not use it
}
void ResVmSdlGraphicsManager::unlockScreen() {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::fillScreen(uint32 col) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::setPalette(const byte *colors, uint start, uint num) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::grabPalette(byte *colors, uint start, uint num) const {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::setCursorPalette(const byte *colors, uint start, uint num) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::setShakePos(int shakeXOffset, int shakeYOffset) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::setFocusRectangle(const Common::Rect &rect) {
// ResidualVM: not use it
}
void ResVmSdlGraphicsManager::clearFocusRectangle() {
// ResidualVM: not use it
}
#pragma mark -
#pragma mark --- Mouse ---
#pragma mark -
bool ResVmSdlGraphicsManager::showMouse(bool visible) {
SDL_ShowCursor(visible);
return true;
}
bool ResVmSdlGraphicsManager::lockMouse(bool lock) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
if (lock)
SDL_SetRelativeMouseMode(SDL_TRUE);
else
SDL_SetRelativeMouseMode(SDL_FALSE);
#else
if (lock)
SDL_WM_GrabInput(SDL_GRAB_ON);
else
SDL_WM_GrabInput(SDL_GRAB_OFF);
#endif
return true;
}
bool ResVmSdlGraphicsManager::isMouseLocked() const {
#if SDL_VERSION_ATLEAST(2, 0, 0)
return SDL_GetRelativeMouseMode() == SDL_TRUE;
#else
return SDL_GrabMode() == SDL_GRAB_ON;
#endif
}
void ResVmSdlGraphicsManager::setMouseCursor(const void *buf, uint w, uint h, int hotspot_x, int hotspot_y, uint32 keycolor, bool dontScale, const Graphics::PixelFormat *format) {
// ResidualVM: not use it
}
#pragma mark -
#pragma mark --- On Screen Display ---
#pragma mark -
#ifdef USE_OSD
void OpenGLResVmSdlGraphicsManager::displayMessageOnOSD(const char *msg) {
// ResidualVM: not use it
}
#endif
bool ResVmSdlGraphicsManager::notifyEvent(const Common::Event &event) {
//ResidualVM specific:
switch ((int)event.type) {
case Common::EVENT_KEYDOWN:
if (event.kbd.hasFlags(Common::KBD_ALT) && event.kbd.keycode == Common::KEYCODE_s) {
saveScreenshot();
return true;
}
break;
case Common::EVENT_KEYUP:
break;
default:
break;
}
return false;
}
void ResVmSdlGraphicsManager::notifyVideoExpose() {
//ResidualVM specific:
//updateScreen();
}
bool ResVmSdlGraphicsManager::notifyMousePosition(Common::Point &mouse) {
transformMouseCoordinates(mouse);
// ResidualVM: not use that:
//setMousePos(mouse.x, mouse.y);
return true;
}
void ResVmSdlGraphicsManager::saveScreenshot() {
Common::String filename;
Common::String screenshotsPath;
OSystem_SDL *sdl_g_system = dynamic_cast<OSystem_SDL*>(g_system);
if (sdl_g_system)
screenshotsPath = sdl_g_system->getScreenshotsPath();
// Use the name of the running target as a base for screenshot file names
Common::String currentTarget = ConfMan.getActiveDomainName();
#ifdef USE_PNG
const char *extension = "png";
#else
const char *extension = "bmp";
#endif
for (int n = 0;; n++) {
filename = Common::String::format("resiudalvm%s%s-%05d.%s", currentTarget.empty() ? "" : "-",
currentTarget.c_str(), n, extension);
Common::FSNode file = Common::FSNode(screenshotsPath + filename);
if (!file.exists()) {
break;
}
}
if (saveScreenshot(screenshotsPath + filename)) {
if (screenshotsPath.empty())
debug("Saved screenshot '%s' in current directory", filename.c_str());
else
debug("Saved screenshot '%s' in directory '%s'", filename.c_str(), screenshotsPath.c_str());
} else {
if (screenshotsPath.empty())
warning("Could not save screenshot in current directory");
else
warning("Could not save screenshot in directory '%s'", screenshotsPath.c_str());
}
}
int ResVmSdlGraphicsManager::getGraphicsModeScale(int mode) const {
return -1;
}