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Viewing changes to src/wui/interactive_player.cc

Merged lp:~widelands-dev/widelands/bug-1696702-fuzzy-building-plots:
Force integer precision for overlays. This fixes fuzzy overlay images when the player hits Ctrl+0 to reset the zoom.

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Lines of Context:
src/wui/interactive_player.cc
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                }
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                const float scale = 1.f / given_map_view->view().zoom;
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                const auto blit_overlay = [dst, f, scale](const Image* pic, const Vector2i& hotspot) {
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                        dst->blitrect_scale(Rectf(f->rendertarget_pixel - hotspot.cast<float>() * scale,
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                                                  pic->width() * scale, pic->height() * scale),
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                                            pic, Recti(0, 0, pic->width(), pic->height()), 1.f,
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                                            BlendMode::UseAlpha);
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                };
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                // Add road building overlays if applicable.
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                if (f->vision > 0) {
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                {
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                        const auto it = work_area_overlays.find(f->fcoords);
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                        if (it != work_area_overlays.end()) {
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                                blit_overlay(it->second, Vector2i(it->second->width() / 2, it->second->height() / 2));
 
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                                blit_field_overlay(dst, *f, it->second,
 
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                                                   Vector2i(it->second->width() / 2, it->second->height() / 2), scale);
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                        }
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                }
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                        if (buildhelp()) {
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                                const auto* overlay = get_buildhelp_overlay(plr.get_buildcaps(f->fcoords));
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                                if (overlay != nullptr) {
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                                        blit_overlay(overlay->pic, overlay->hotspot);
 
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                                        blit_field_overlay(dst, *f, overlay->pic, overlay->hotspot, scale);
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                                }
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                        }
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                        // Blit the selection marker.
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                        if (f->fcoords == get_sel_pos().node) {
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                                const Image* pic = get_sel_picture();
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                                blit_overlay(pic, Vector2i(pic->width() / 2, pic->height() / 2));
 
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                                blit_field_overlay(dst, *f, pic, Vector2i(pic->width() / 2, pic->height() / 2), scale);
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                        }
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                        // Draw road building slopes.
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                        {
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                                const auto it = road_building.steepness_indicators.find(f->fcoords);
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                                if (it != road_building.steepness_indicators.end()) {
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                                        blit_overlay(
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                                           it->second, Vector2i(it->second->width() / 2, it->second->height() / 2));
 
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                                        blit_field_overlay(dst, *f, it->second,
 
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                                                           Vector2i(it->second->width() / 2, it->second->height() / 2),
 
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                                                           scale);
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                                }
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                        }
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                }