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Cache vehicle positions across draw blocks in viewport map mode

Browse Source
pull/135/head
Jonathan G Rennison 4 years ago
parent 7949de2c05
commit a4608f6f72
7 changed files with 81 additions and 25 deletions
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5
src/gfx.cpp
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@ -1423,7 +1423,7 @@ void RedrawScreenRect(int left, int top, int right, int bottom)
}
static std::vector<Rect> _dirty_viewport_occlusions;
static const ViewPort *_dirty_viewport;
static ViewPort *_dirty_viewport;
static NWidgetDisplay _dirty_viewport_disp_flags;
static void DrawDirtyViewport(uint occlusion, int left, int top, int right, int bottom)
@ -1677,6 +1677,9 @@ void DrawDirtyBlocks()
_dirty_blocks.clear();
++_dirty_block_colour;
extern void ClearViewPortCaches();
ClearViewPortCaches();
}
void UnsetDirtyBlocks(int left, int top, int right, int bottom)

2
src/screenshot.cpp
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@ -672,6 +672,8 @@ static void LargeWorldCallback(void *userdata, void *buf, uint y, uint pitch, ui
/* Switch back to rendering to the screen */
_screen = old_screen;
_screen_disable_anim = old_disable_anim;
ClearViewPortCache(vp);
}
/**

50
src/vehicle.cpp
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@ -1593,13 +1593,13 @@ void ViewportAddVehicles(DrawPixelInfo *dpi)
}
}
void ViewportMapDrawVehicles(DrawPixelInfo *dpi)
void ViewportMapDrawVehicles(DrawPixelInfo *dpi, ViewPort *vp)
{
/* The bounding rectangle */
const int l = dpi->left;
const int r = dpi->left + dpi->width;
const int t = dpi->top;
const int b = dpi->top + dpi->height;
/* The save rectangle */
const int l = vp->virtual_left;
const int r = vp->virtual_left + vp->virtual_width;
const int t = vp->virtual_top;
const int b = vp->virtual_top + vp->virtual_height;
/* The hash area to scan */
const ViewportHashBound vhb = GetViewportHashBound(l, r, t, b);
@ -1607,18 +1607,21 @@ void ViewportMapDrawVehicles(DrawPixelInfo *dpi)
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
for (int y = vhb.yl;; y = (y + (1 << 6)) & (0x3F << 6)) {
for (int x = vhb.xl;; x = (x + 1) & 0x3F) {
const Vehicle *v = _vehicle_viewport_hash[x + y]; // already masked & 0xFFF
while (v != nullptr) {
if (!(v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) && (v->type != VEH_EFFECT)) {
Point pt = RemapCoords(v->x_pos, v->y_pos, v->z_pos);
if (pt.x >= l && pt.x < r && pt.y >= t && pt.y < b) {
const int pixel_x = UnScaleByZoomLower(pt.x - dpi->left, dpi->zoom);
const int pixel_y = UnScaleByZoomLower(pt.y - dpi->top, dpi->zoom);
blitter->SetPixel(dpi->dst_ptr, pixel_x, pixel_y, PC_WHITE);
if (!HasBit(vp->map_draw_vehicles_cache.done_hash_bits[y >> 6], x)) {
SetBit(vp->map_draw_vehicles_cache.done_hash_bits[y >> 6], x);
const Vehicle *v = _vehicle_viewport_hash[x + y]; // already masked & 0xFFF
while (v != nullptr) {
if (!(v->vehstatus & (VS_HIDDEN | VS_UNCLICKABLE)) && (v->type != VEH_EFFECT)) {
Point pt = RemapCoords(v->x_pos, v->y_pos, v->z_pos);
if (pt.x >= l && pt.x < r && pt.y >= t && pt.y < b) {
const int pixel_x = UnScaleByZoomLower(pt.x - l, dpi->zoom);
const int pixel_y = UnScaleByZoomLower(pt.y - t, dpi->zoom);
vp->map_draw_vehicles_cache.vehicle_pixels[pixel_x + (pixel_y) * vp->width] = true;
}
}
v = v->hash_viewport_next;
}
v = v->hash_viewport_next;
}
if (x == vhb.xu) break;
@ -1626,6 +1629,21 @@ void ViewportMapDrawVehicles(DrawPixelInfo *dpi)
if (y == vhb.yu) break;
}
/* The drawing rectangle */
int mask = ScaleByZoom(-1, vp->zoom);
const int dl = UnScaleByZoomLower(dpi->left - (vp->virtual_left & mask), dpi->zoom);
const int dr = UnScaleByZoomLower(dpi->left + dpi->width - (vp->virtual_left & mask), dpi->zoom);
const int dt = UnScaleByZoomLower(dpi->top - (vp->virtual_top & mask), dpi->zoom);
const int db = UnScaleByZoomLower(dpi->top + dpi->height - (vp->virtual_top & mask), dpi->zoom);
int y_ptr = vp->width * dt;
for (int y = dt; y < db; y++, y_ptr += vp->width) {
for (int x = dl; x < dr; x++) {
if (vp->map_draw_vehicles_cache.vehicle_pixels[y_ptr + x]) {
blitter->SetPixel(dpi->dst_ptr, x - dl, y - dt, PC_WHITE);
}
}
}
}
/**

4
src/vehicle_func.h
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@ -27,6 +27,8 @@
static const int VEHICLE_PROFIT_MIN_AGE = DAYS_IN_YEAR * 2; ///< Only vehicles older than this have a meaningful profit.
static const Money VEHICLE_PROFIT_THRESHOLD = 10000; ///< Threshold for a vehicle to be considered making good profit.
struct ViewPort;
/**
* Helper to check whether an image index is valid for a particular vehicle.
* @tparam T The type of vehicle.
@ -126,7 +128,7 @@ void ResetVehicleColourMap();
byte GetBestFittingSubType(Vehicle *v_from, Vehicle *v_for, CargoID dest_cargo_type);
void ViewportAddVehicles(DrawPixelInfo *dpi);
void ViewportMapDrawVehicles(DrawPixelInfo *dpi);
void ViewportMapDrawVehicles(DrawPixelInfo *dpi, ViewPort *vp);
void ShowNewGrfVehicleError(EngineID engine, StringID part1, StringID part2, GRFBugs bug_type, bool critical);
CommandCost TunnelBridgeIsFree(TileIndex tile, TileIndex endtile, const Vehicle *ignore = nullptr, bool across_only = false);

35
src/viewport.cpp
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@ -334,6 +334,21 @@ static Point MapXYZToViewport(const ViewPort *vp, int x, int y, int z)
return p;
}
void ClearViewPortCache(ViewPort *vp)
{
if (vp->zoom >= ZOOM_LVL_DRAW_MAP) {
memset(vp->map_draw_vehicles_cache.done_hash_bits, 0, sizeof(vp->map_draw_vehicles_cache.done_hash_bits));
vp->map_draw_vehicles_cache.vehicle_pixels.assign(vp->map_draw_vehicles_cache.vehicle_pixels.size(), false);
}
}
void ClearViewPortCaches()
{
for (ViewPort *vp : _viewport_window_cache) {
ClearViewPortCache(vp);
}
}
void DeleteWindowViewport(Window *w)
{
if (w->viewport == nullptr) return;
@ -512,11 +527,10 @@ static void DoSetViewportPositionFillRegion(int left, int top, int width, int he
DrawOverlappedWindowForAll(left, top, left + width, top + height);
};
static void DoSetViewportPosition(const Window *w, const int left, const int top, const int width, const int height)
static void DoSetViewportPosition(Window *w, const int left, const int top, const int width, const int height)
{
const int xo = _vp_move_offs.x;
const int yo = _vp_move_offs.y;
if (xo == 0 && yo == 0) return;
IncrementWindowUpdateNumber();
@ -648,7 +662,10 @@ static void SetViewportPosition(Window *w, int x, int y, bool force_update_overl
i = top + height - _screen.height;
if (i >= 0) height -= i;
if (height > 0) DoSetViewportPosition((const Window *) w->z_front, left, top, width, height);
if (height > 0 && (_vp_move_offs.x != 0 || _vp_move_offs.y != 0)) {
DoSetViewportPosition((Window *) w->z_front, left, top, width, height);
ClearViewPortCache(w->viewport);
}
}
}
@ -3009,7 +3026,7 @@ static void ViewportProcessParentSprites()
}
}
void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
void ViewportDoDraw(ViewPort *vp, int left, int top, int right, int bottom)
{
DrawPixelInfo *old_dpi = _cur_dpi;
_cur_dpi = &_vd.dpi;
@ -3048,7 +3065,7 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
if (_settings_client.gui.show_slopes_on_viewport_map) ViewportMapDraw<false, true>(vp);
else ViewportMapDraw<false, false>(vp);
}
ViewportMapDrawVehicles(&_vd.dpi);
ViewportMapDrawVehicles(&_vd.dpi, vp);
if (_scrolling_viewport && _settings_client.gui.show_scrolling_viewport_on_map) ViewportMapDrawScrollingViewportBox(vp);
if (vp->zoom < ZOOM_LVL_OUT_256X) ViewportAddKdtreeSigns(&_vd.dpi, true);
} else {
@ -3124,7 +3141,7 @@ void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom
* Make sure we don't draw a too big area at a time.
* If we do, the sprite sorter will run into major performance problems and the sprite memory may overflow.
*/
void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
void ViewportDrawChk(ViewPort *vp, int left, int top, int right, int bottom)
{
if ((vp->zoom < ZOOM_LVL_DRAW_MAP) && ((int64)ScaleByZoom(bottom - top, vp->zoom) * (int64)ScaleByZoom(right - left, vp->zoom) > (int64)(1000000 * ZOOM_LVL_BASE * ZOOM_LVL_BASE))) {
if ((bottom - top) > (right - left)) {
@ -3265,6 +3282,12 @@ void UpdateViewportSizeZoom(ViewPort *vp)
uint size = vp->dirty_blocks_per_row * vp->dirty_blocks_per_column;
vp->dirty_blocks.assign(size, false);
UpdateViewportDirtyBlockLeftMargin(vp);
if (vp->zoom >= ZOOM_LVL_DRAW_MAP) {
memset(vp->map_draw_vehicles_cache.done_hash_bits, 0, sizeof(vp->map_draw_vehicles_cache.done_hash_bits));
vp->map_draw_vehicles_cache.vehicle_pixels.assign(vp->width * vp->height, false);
} else {
vp->map_draw_vehicles_cache.vehicle_pixels.clear();
}
}
void UpdateActiveScrollingViewport(Window *w)

4
src/viewport_func.h
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@ -23,6 +23,8 @@ static const int TILE_HEIGHT_STEP = 50; ///< One Z unit tile height difference i
void SetSelectionRed(bool);
void ClearViewPortCache(ViewPort *vp);
void ClearViewPortCaches();
void DeleteWindowViewport(Window *w);
void InitializeWindowViewport(Window *w, int x, int y, int width, int height, uint32 follow_flags, ZoomLevel zoom);
ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
@ -73,7 +75,7 @@ void SetRedErrorSquare(TileIndex tile);
void SetTileSelectSize(int w, int h);
void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
void ViewportDoDraw(ViewPort *vp, int left, int top, int right, int bottom);
bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant = false);
bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant = false);

6
src/viewport_type.h
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@ -29,6 +29,11 @@ enum ViewportMapType {
VPMT_MAX = VPMT_INDUSTRY,
};
struct ViewPortMapDrawVehiclesCache {
uint64 done_hash_bits[64];
std::vector<bool> vehicle_pixels;
};
/**
* Data structure for viewport, display of a part of the world
*/
@ -54,6 +59,7 @@ struct ViewPort {
uint8 dirty_block_left_margin;
bool is_dirty = false;
bool is_drawn = false;
ViewPortMapDrawVehiclesCache map_draw_vehicles_cache;
uint GetDirtyBlockWidthShift() const { return this->GetDirtyBlockShift(); }
uint GetDirtyBlockHeightShift() const { return this->GetDirtyBlockShift(); }

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