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(svn r7202) -Codechange: Move _viewports and _active_viewports local to viewport.c and have them

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called from the appropiate places in window.c
This commit is contained in:
Darkvater 2006-11-18 13:54:33 +00:00
parent 583c9e531b
commit e3f905e653
3 changed files with 24 additions and 14 deletions
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22
viewport.c
View File

@ -23,6 +23,12 @@
#define VIEWPORT_DRAW_MEM (65536 * 2)
/* viewport.c */
// XXX - maximum viewports is maximum windows - 2 (main toolbar + status bar)
static ViewPort _viewports[25 - 2];
static uint32 _active_viewports; ///< bitmasked variable where each bit signifies if a viewport is in use or not
assert_compile(lengthof(_viewports) < sizeof(_active_viewports) * 8);
static bool _added_tile_sprite;
static bool _offset_ground_sprites;
@ -119,6 +125,18 @@ static Point MapXYZToViewport(const ViewPort *vp, uint x, uint y, uint z)
return p;
}
void InitViewports(void) {
memset(_viewports, 0, sizeof(_viewports));
_active_viewports = 0;
}
void DeleteWindowViewport(Window *w)
{
CLRBIT(_active_viewports, w->viewport - _viewports);
w->viewport->width = 0;
w->viewport = NULL;
}
void AssignWindowViewport(Window *w, int x, int y,
int width, int height, uint32 follow_flags, byte zoom)
{
@ -126,11 +144,11 @@ void AssignWindowViewport(Window *w, int x, int y,
Point pt;
uint32 bit;
for (vp = _viewports, bit = 1; ; vp++, bit <<= 1) {
for (vp = _viewports, bit = 0; ; vp++, bit++) {
assert(vp != endof(_viewports));
if (vp->width == 0) break;
}
_active_viewports |= bit;
SETBIT(_active_viewports, bit);
vp->left = x + w->left;
vp->top = y + w->top;

7
viewport.h
View File

@ -16,6 +16,8 @@ struct ViewPort {
void SetSelectionRed(bool);
/* viewport.c */
void InitViewports(void);
void DeleteWindowViewport(Window *w);
void AssignWindowViewport(Window *w, int x, int y,
int width, int height, uint32 follow_flags, byte zoom);
ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
@ -139,11 +141,6 @@ typedef struct TileHighlightData {
// common button handler
bool HandlePlacePushButton(Window *w, int widget, uint32 cursor, int mode, PlaceProc *placeproc);
/* viewport.c */
// XXX - maximum viewports is maximum windows - 2 (main toolbar + status bar)
VARDEF ViewPort _viewports[25 - 2];
VARDEF uint32 _active_viewports;
VARDEF Point _tile_fract_coords;
extern TileHighlightData _thd;

9
window.c
View File

@ -302,11 +302,7 @@ void DeleteWindow(Window *w)
w = FindWindowById(wc, wn);
if (w->viewport != NULL) {
CLRBIT(_active_viewports, w->viewport - _viewports);
w->viewport->width = 0;
w->viewport = NULL;
}
if (w->viewport != NULL) DeleteWindowViewport(w);
SetWindowDirty(w);
@ -832,8 +828,7 @@ void InitWindowSystem(void)
memset(&_windows, 0, sizeof(_windows));
_last_window = _windows;
memset(_viewports, 0, sizeof(_viewports));
_active_viewports = 0;
InitViewports();
_no_scroll = 0;
}