thirdparty/scummvm
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properly initialize everything -> works w/o our custom new/delete now!

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svn-id: r5531
This commit is contained in:
Max Horn 2002-11-13 14:38:49 +00:00
parent 248b9d974f
commit aae641c6cf
4 changed files with 68 additions and 55 deletions
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46
backends/sdl/sdl-common.cpp
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@ -68,13 +68,19 @@ void OSystem_SDL_Common::set_timer(int timer, int (*callback)(int)) {
OSystem_SDL_Common::OSystem_SDL_Common()
: _screen(0), _screenWidth(0), _screenHeight(0), _cdrom(0),
_dirty_checksums(0), _currentShakePos(0), _newShakePos(0)
_dirty_checksums(0),
_mouseVisible(false), _mouseDrawn(false), _mouseData(0),
_mouseHotspotX(0), _mouseHotspotY(0),
_currentShakePos(0), _newShakePos(0)
{
// allocate palette storage
_currentPalette = (SDL_Color*)calloc(sizeof(SDL_Color), 256);
// allocate the dirty rect storage
_mouseBackup = (byte*)malloc(MAX_MOUSE_W * MAX_MOUSE_H * MAX_SCALING * 2);
// reset mouse state
memset(&km, 0, sizeof(km));
}
OSystem_SDL_Common::~OSystem_SDL_Common()
@ -382,16 +388,16 @@ bool OSystem_SDL_Common::show_mouse(bool visible) {
}
void OSystem_SDL_Common::set_mouse_pos(int x, int y) {
if (x != _mouse_cur_state.x || y != _mouse_cur_state.y) {
_mouse_cur_state.x = x;
_mouse_cur_state.y = y;
if (x != _mouseCurState.x || y != _mouseCurState.y) {
_mouseCurState.x = x;
_mouseCurState.y = y;
undraw_mouse();
}
}
void OSystem_SDL_Common::set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y) {
_mouse_cur_state.w = w;
_mouse_cur_state.h = h;
_mouseCurState.w = w;
_mouseCurState.h = h;
_mouseHotspotX = hotspot_x;
_mouseHotspotY = hotspot_y;
@ -709,10 +715,10 @@ void OSystem_SDL_Common::draw_mouse() {
if (_mouseDrawn || !_mouseVisible)
return;
int x = _mouse_cur_state.x - _mouseHotspotX;
int y = _mouse_cur_state.y - _mouseHotspotY;
int w = _mouse_cur_state.w;
int h = _mouse_cur_state.h;
int x = _mouseCurState.x - _mouseHotspotX;
int y = _mouseCurState.y - _mouseHotspotY;
int w = _mouseCurState.w;
int h = _mouseCurState.h;
byte color;
byte *src = _mouseData; // Image representing the mouse
byte *bak = _mouseBackup; // Surface used to backup the area obscured by the mouse
@ -726,7 +732,7 @@ void OSystem_SDL_Common::draw_mouse() {
}
if (y < 0) {
h += y;
src -= y * _mouse_cur_state.w;
src -= y * _mouseCurState.w;
y = 0;
}
if (w > _screenWidth - x)
@ -740,10 +746,10 @@ void OSystem_SDL_Common::draw_mouse() {
// Store the bounding box so that undraw mouse can restore the area the
// mouse currently covers to its original content.
_mouse_old_state.x = x;
_mouse_old_state.y = y;
_mouse_old_state.w = w;
_mouse_old_state.h = h;
_mouseOldState.x = x;
_mouseOldState.y = y;
_mouseOldState.w = w;
_mouseOldState.h = h;
// Draw the mouse cursor; backup the covered area in "bak"
@ -764,7 +770,7 @@ void OSystem_SDL_Common::draw_mouse() {
dst++;
width--;
}
src += _mouse_cur_state.w - w;
src += _mouseCurState.w - w;
bak += MAX_MOUSE_W - w;
dst += _screenWidth - w;
h--;
@ -785,10 +791,10 @@ void OSystem_SDL_Common::undraw_mouse() {
error("SDL_LockSurface failed: %s.\n", SDL_GetError());
byte *dst, *bak = _mouseBackup;
const int old_mouse_x = _mouse_old_state.x;
const int old_mouse_y = _mouse_old_state.y;
const int old_mouse_w = _mouse_old_state.w;
const int old_mouse_h = _mouse_old_state.h;
const int old_mouse_x = _mouseOldState.x;
const int old_mouse_y = _mouseOldState.y;
const int old_mouse_w = _mouseOldState.w;
const int old_mouse_h = _mouseOldState.h;
int x, y;
// No need to do clipping here, since draw_mouse() did that already