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Code Issues

(svn r9962) -Feature: Add smooth viewport scrolling. This must be enabled with patch setting 'smooth_scroll'

release/0.6
peter1138 2007-05-28 16:46:16 +00:00
parent 1a8a44165b
commit 344e9007fe
10 changed files with 64 additions and 20 deletions
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6
src/functions.h
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@ -131,10 +131,10 @@ void SetObjectToPlace(CursorID icon, SpriteID pal, byte mode, WindowClass window
void ResetObjectToPlace();
bool ScrollWindowTo(int x, int y, Window * w);
bool ScrollWindowTo(int x, int y, Window * w, bool instant = false);
bool ScrollMainWindowToTile(TileIndex tile);
bool ScrollMainWindowTo(int x, int y);
bool ScrollMainWindowToTile(TileIndex tile, bool instant = false);
bool ScrollMainWindowTo(int x, int y, bool instant = false);
void DrawSprite(SpriteID img, SpriteID pal, int x, int y);
bool EnsureNoVehicle(TileIndex tile);
bool EnsureNoVehicleOnGround(TileIndex tile);

1
src/lang/english.txt
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@ -1089,6 +1089,7 @@ STR_CONFIG_PATCHES_STATION_SPREAD :{LTBLUE}Max sta
STR_CONFIG_PATCHES_SERVICEATHELIPAD :{LTBLUE}Service helicopters at helipads automatically: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_LINK_TERRAFORM_TOOLBAR :{LTBLUE}Link landscape toolbar to rail/road/water/airport toolbars: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_REVERSE_SCROLLING :{LTBLUE}Reverse scroll direction: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_SMOOTH_SCROLLING :{LTBLUE}Smooth viewport scrolling: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_MEASURE_TOOLTIP :{LTBLUE}Show a measurement tooltip when using various build-tools: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_LIVERIES :{LTBLUE}Show company liveries: {ORANGE}{STRING1}
STR_CONFIG_PATCHES_LIVERIES_NONE :None

8
src/main_gui.cpp
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@ -889,6 +889,8 @@ bool DoZoomInOutWindow(int how, Window *w)
WP(w,vp_d).scrollpos_x += vp->virtual_width >> 1;
WP(w,vp_d).scrollpos_y += vp->virtual_height >> 1;
WP(w,vp_d).dest_scrollpos_x = WP(w,vp_d).scrollpos_x;
WP(w,vp_d).dest_scrollpos_y = WP(w,vp_d).scrollpos_y;
break;
case ZOOM_OUT:
if (vp->zoom == ZOOM_LVL_MAX) return false;
@ -896,6 +898,8 @@ bool DoZoomInOutWindow(int how, Window *w)
WP(w,vp_d).scrollpos_x -= vp->virtual_width >> 1;
WP(w,vp_d).scrollpos_y -= vp->virtual_height >> 1;
WP(w,vp_d).dest_scrollpos_x = WP(w,vp_d).scrollpos_x;
WP(w,vp_d).dest_scrollpos_y = WP(w,vp_d).scrollpos_y;
vp->virtual_width <<= 1;
vp->virtual_height <<= 1;
@ -1058,7 +1062,7 @@ void ZoomInOrOutToCursorWindow(bool in, Window *w)
pt = GetTileZoomCenterWindow(in,w);
if (pt.x != -1) {
ScrollWindowTo(pt.x, pt.y, w);
ScrollWindowTo(pt.x, pt.y, w, true);
DoZoomInOutWindow(in ? ZOOM_IN : ZOOM_OUT, w);
}
@ -2438,6 +2442,8 @@ static void MainWindowWndProc(Window *w, WindowEvent *e)
WP(w, vp_d).scrollpos_x += ScaleByZoom(e->we.scroll.delta.x, vp->zoom);
WP(w, vp_d).scrollpos_y += ScaleByZoom(e->we.scroll.delta.y, vp->zoom);
WP(w, vp_d).dest_scrollpos_x = WP(w, vp_d).scrollpos_x;
WP(w, vp_d).dest_scrollpos_y = WP(w, vp_d).scrollpos_y;
} break;
case WE_MOUSEWHEEL:

6
src/openttd.cpp
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@ -991,8 +991,8 @@ static void ScrollMainViewport(int x, int y)
Window *w = FindWindowById(WC_MAIN_WINDOW, 0);
assert(w);
WP(w,vp_d).scrollpos_x += ScaleByZoom(x, w->viewport->zoom);
WP(w,vp_d).scrollpos_y += ScaleByZoom(y, w->viewport->zoom);
WP(w,vp_d).dest_scrollpos_x += ScaleByZoom(x, w->viewport->zoom);
WP(w,vp_d).dest_scrollpos_y += ScaleByZoom(y, w->viewport->zoom);
}
}
@ -1284,6 +1284,8 @@ bool AfterLoadGame()
WP(w,vp_d).scrollpos_x = _saved_scrollpos_x;
WP(w,vp_d).scrollpos_y = _saved_scrollpos_y;
WP(w,vp_d).dest_scrollpos_x = _saved_scrollpos_x;
WP(w,vp_d).dest_scrollpos_y = _saved_scrollpos_y;
vp = w->viewport;
vp->zoom = _saved_scrollpos_zoom;

1
src/settings.cpp
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@ -1328,6 +1328,7 @@ const SettingDesc _patch_settings[] = {
SDT_BOOL(Patches, show_finances, S, 0, true, STR_CONFIG_PATCHES_SHOWFINANCES, NULL),
SDT_BOOL(Patches, autoscroll, S, 0, false, STR_CONFIG_PATCHES_AUTOSCROLL, NULL),
SDT_BOOL(Patches, reverse_scroll, S, 0, false, STR_CONFIG_PATCHES_REVERSE_SCROLLING, NULL),
SDT_BOOL(Patches, smooth_scroll, S, 0, false, STR_CONFIG_PATCHES_SMOOTH_SCROLLING, NULL),
SDT_BOOL(Patches, measure_tooltip, S, 0, false, STR_CONFIG_PATCHES_MEASURE_TOOLTIP, NULL),
SDT_VAR(Patches, errmsg_duration, SLE_UINT8, S, 0, 5, 0, 20, 0, STR_CONFIG_PATCHES_ERRMSG_DURATION, NULL),
SDT_VAR(Patches, toolbar_pos, SLE_UINT8, S,MS, 0, 0, 2, 0, STR_CONFIG_PATCHES_TOOLBAR_POS, v_PositionMainToolbar),

1
src/settings_gui.cpp
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@ -583,6 +583,7 @@ static const char *_patches_ui[] = {
"show_finances",
"autoscroll",
"reverse_scroll",
"smooth_scroll",
"errmsg_duration",
"toolbar_pos",
"measure_tooltip",

16
src/smallmap_gui.cpp
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@ -806,8 +806,8 @@ static void SmallMapWindowProc(Window *w, WindowEvent *e)
_left_button_clicked = false;
pt = RemapCoords(WP(w,smallmap_d).scroll_x, WP(w,smallmap_d).scroll_y, 0);
WP(w2, vp_d).scrollpos_x = pt.x + ((_cursor.pos.x - w->left + 2) << 4) - (w2->viewport->virtual_width >> 1);
WP(w2, vp_d).scrollpos_y = pt.y + ((_cursor.pos.y - w->top - 16) << 4) - (w2->viewport->virtual_height >> 1);
WP(w2, vp_d).dest_scrollpos_x = pt.x + ((_cursor.pos.x - w->left + 2) << 4) - (w2->viewport->virtual_width >> 1);
WP(w2, vp_d).dest_scrollpos_y = pt.y + ((_cursor.pos.y - w->top - 16) << 4) - (w2->viewport->virtual_height >> 1);
SetWindowDirty(w);
} break;
@ -986,8 +986,8 @@ static void ExtraViewPortWndProc(Window *w, WindowEvent *e)
int y = WP(w, vp_d).scrollpos_y;
/* set this view to same location. Based on the center, adjusting for zoom */
WP(w2, vp_d).scrollpos_x = x - (w2->viewport->virtual_width - w->viewport->virtual_width) / 2;
WP(w2, vp_d).scrollpos_y = y - (w2->viewport->virtual_height - w->viewport->virtual_height) / 2;
WP(w2, vp_d).dest_scrollpos_x = x - (w2->viewport->virtual_width - w->viewport->virtual_width) / 2;
WP(w2, vp_d).dest_scrollpos_y = y - (w2->viewport->virtual_height - w->viewport->virtual_height) / 2;
} break;
case 8: { /* inverse location button (move this view to same spot as main view) 'Copy Location' */
@ -995,8 +995,8 @@ static void ExtraViewPortWndProc(Window *w, WindowEvent *e)
int x = WP(w2, const vp_d).scrollpos_x;
int y = WP(w2, const vp_d).scrollpos_y;
WP(w, vp_d).scrollpos_x = x + (w2->viewport->virtual_width - w->viewport->virtual_width) / 2;
WP(w, vp_d).scrollpos_y = y + (w2->viewport->virtual_height - w->viewport->virtual_height) / 2;
WP(w, vp_d).dest_scrollpos_x = x + (w2->viewport->virtual_width - w->viewport->virtual_width) / 2;
WP(w, vp_d).dest_scrollpos_y = y + (w2->viewport->virtual_height - w->viewport->virtual_height) / 2;
} break;
}
break;
@ -1018,6 +1018,8 @@ static void ExtraViewPortWndProc(Window *w, WindowEvent *e)
WP(w, vp_d).scrollpos_x += ScaleByZoom(e->we.scroll.delta.x, vp->zoom);
WP(w, vp_d).scrollpos_y += ScaleByZoom(e->we.scroll.delta.y, vp->zoom);
WP(w, vp_d).dest_scrollpos_x = WP(w, vp_d).scrollpos_x;
WP(w, vp_d).dest_scrollpos_y = WP(w, vp_d).scrollpos_y;
} break;
case WE_MOUSEWHEEL:
@ -1062,5 +1064,7 @@ void ShowExtraViewPortWindow()
y = WP(v, vp_d).scrollpos_y;
WP(w, vp_d).scrollpos_x = x + (v->viewport->virtual_width - (294)) / 2;
WP(w, vp_d).scrollpos_y = y + (v->viewport->virtual_height - (214)) / 2;
WP(w, vp_d).dest_scrollpos_x = WP(w, vp_d).scrollpos_x;
WP(w, vp_d).dest_scrollpos_y = WP(w, vp_d).scrollpos_y;
}
}

1
src/variables.h
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@ -127,6 +127,7 @@ struct Patches {
bool no_servicing_if_no_breakdowns; // dont send vehicles to depot when breakdowns are disabled
bool link_terraform_toolbar; // display terraform toolbar when displaying rail, road, water and airport toolbars
bool reverse_scroll; // Right-Click-Scrolling scrolls in the opposite direction
bool smooth_scroll; ///< Smooth scroll viewports
bool disable_elrails; // when true, the elrails are disabled
bool measure_tooltip; // Show a permanent tooltip when dragging tools
byte liveries; // Options for displaying company liveries, 0=none, 1=self, 2=all

38
src/viewport.cpp
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@ -183,6 +183,9 @@ void AssignWindowViewport(Window *w, int x, int y,
WP(w, vp_d).scrollpos_x = pt.x;
WP(w, vp_d).scrollpos_y = pt.y;
WP(w, vp_d).dest_scrollpos_x = pt.x;
WP(w, vp_d).dest_scrollpos_y = pt.y;
w->viewport = vp;
vp->virtual_left = 0;//pt.x;
vp->virtual_top = 0;//pt.y;
@ -1386,6 +1389,20 @@ void UpdateViewportPosition(Window *w)
/* Center of the viewport is hot spot */
x = WP(w,vp_d).scrollpos_x + vp->virtual_width / 2;
y = WP(w,vp_d).scrollpos_y + vp->virtual_height / 2;
int dest_x = WP(w,vp_d).dest_scrollpos_x + vp->virtual_width / 2;
int dest_y = WP(w,vp_d).dest_scrollpos_y + vp->virtual_height / 2;
int delta_x = dest_x - x;
int delta_y = dest_y - y;
if (delta_x != 0 || delta_y != 0) {
int max_scroll = ScaleByMapSize1D(512);
/* Not at our desired positon yet... */
x += clamp(delta_x / 8, -max_scroll, max_scroll);
y += clamp(delta_y / 8, -max_scroll, max_scroll);
}
/* Convert viewport coordinates to map coordinates
* Calculation is scaled by 4 to avoid rounding errors */
vx = -x + y * 2;
@ -1841,26 +1858,31 @@ void PlaceObject()
/* scrolls the viewport in a window to a given location */
bool ScrollWindowTo(int x , int y, Window *w)
bool ScrollWindowTo(int x , int y, Window *w, bool instant)
{
Point pt;
pt = MapXYZToViewport(w->viewport, x, y, GetSlopeZ(x, y));
WP(w, vp_d).follow_vehicle = INVALID_VEHICLE;
if (WP(w, vp_d).scrollpos_x == pt.x && WP(w, vp_d).scrollpos_y == pt.y)
if (WP(w, vp_d).dest_scrollpos_x == pt.x && WP(w, vp_d).dest_scrollpos_y == pt.y)
return false;
WP(w, vp_d).scrollpos_x = pt.x;
WP(w, vp_d).scrollpos_y = pt.y;
if (!_patches.smooth_scroll || instant) {
WP(w, vp_d).scrollpos_x = pt.x;
WP(w, vp_d).scrollpos_y = pt.y;
}
WP(w, vp_d).dest_scrollpos_x = pt.x;
WP(w, vp_d).dest_scrollpos_y = pt.y;
return true;
}
bool ScrollMainWindowTo(int x, int y)
bool ScrollMainWindowTo(int x, int y, bool instant)
{
Window *w;
bool res = ScrollWindowTo(x, y, FindWindowById(WC_MAIN_WINDOW, 0));
bool res = ScrollWindowTo(x, y, FindWindowById(WC_MAIN_WINDOW, 0), instant);
/* If a user scrolls to a tile (via what way what so ever) and already is on
* that tile (e.g.: pressed twice), move the smallmap to that location,
@ -1877,9 +1899,9 @@ bool ScrollMainWindowTo(int x, int y)
}
bool ScrollMainWindowToTile(TileIndex tile)
bool ScrollMainWindowToTile(TileIndex tile, bool instant)
{
return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2);
return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, instant);
}
void SetRedErrorSquare(TileIndex tile)

6
src/window.h
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@ -404,6 +404,8 @@ struct vp_d {
VehicleID follow_vehicle;
int32 scrollpos_x;
int32 scrollpos_y;
int32 dest_scrollpos_x;
int32 dest_scrollpos_y;
};
assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(vp_d));
@ -412,6 +414,8 @@ struct vp2_d {
VehicleID follow_vehicle;
int32 scrollpos_x;
int32 scrollpos_y;
int32 dest_scrollpos_x;
int32 dest_scrollpos_y;
byte data_1;
byte data_2;
byte data_3;
@ -422,6 +426,8 @@ struct news_d {
uint16 follow_vehicle;
int32 scrollpos_x;
int32 scrollpos_y;
int32 dest_scrollpos_x;
int32 dest_scrollpos_y;
NewsItem *ni;
};
assert_compile(WINDOW_CUSTOM_SIZE >= sizeof(news_d));