105 lines
4.7 KiB
C++
105 lines
4.7 KiB
C++
#include "EraserTool.hpp"
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#include "../DrawingProgram.hpp"
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#include "../../MainProgram.hpp"
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#include "../../DrawData.hpp"
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#include <include/core/SkPathBuilder.h>
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EraserTool::EraserTool(DrawingProgram& initDrawP):
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DrawingProgramToolBase(initDrawP)
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{}
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DrawingProgramToolType EraserTool::get_type() {
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return DrawingProgramToolType::ERASER;
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}
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void EraserTool::gui_toolbox() {
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Toolbar& t = drawP.world.main.toolbar;
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t.gui.push_id("eraser tool");
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t.gui.text_label_centered("Eraser");
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t.gui.slider_scalar_field("relwidth", "Size", &drawP.controls.relativeWidth, 3.0f, 40.0f);
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t.gui.text_label("Erase from:");
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if(t.gui.radio_button_field("layer edited", "Layer being edited", drawP.controls.layerSelector == DrawingProgramLayerManager::LayerSelector::LAYER_BEING_EDITED))
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drawP.controls.layerSelector = DrawingProgramLayerManager::LayerSelector::LAYER_BEING_EDITED;
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if(t.gui.radio_button_field("all visible", "All visible layers", drawP.controls.layerSelector == DrawingProgramLayerManager::LayerSelector::ALL_VISIBLE_LAYERS))
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drawP.controls.layerSelector = DrawingProgramLayerManager::LayerSelector::ALL_VISIBLE_LAYERS;
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t.gui.pop_id();
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}
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bool EraserTool::right_click_popup_gui(Vector2f popupPos) {
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Toolbar& t = drawP.world.main.toolbar;
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t.paint_popup(popupPos);
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return true;
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}
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void EraserTool::erase_component(CanvasComponentContainer::ObjInfo* erasedComp) {
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erasedComponents.erase(erasedComp);
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}
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void EraserTool::switch_tool(DrawingProgramToolType newTool) {
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drawP.layerMan.erase_component_set(erasedComponents);
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}
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void EraserTool::tool_update() {
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if(drawP.controls.cursorHoveringOverCanvas)
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drawP.world.main.input.hideCursor = true;
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if(drawP.controls.leftClickHeld) {
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const Vector2f& prevMousePos = drawP.controls.leftClick ? drawP.world.main.input.mouse.pos : drawP.world.main.input.mouse.lastPos;
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SCollision::ColliderCollection<float> cC;
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SCollision::generate_wide_line(cC, prevMousePos, drawP.world.main.input.mouse.pos, drawP.controls.relativeWidth * 2.0f, true);
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auto cCWorld = drawP.world.drawData.cam.c.collider_to_world<SCollision::ColliderCollection<WorldScalar>, SCollision::ColliderCollection<float>>(cC);
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drawP.drawCache.traverse_bvh_run_function(cCWorld.bounds, [&](const auto& bvhNode) {
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if(bvhNode &&
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SCollision::collide(cC, drawP.world.drawData.cam.c.to_space(bvhNode->bounds.min)) &&
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SCollision::collide(cC, drawP.world.drawData.cam.c.to_space(bvhNode->bounds.max)) &&
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SCollision::collide(cC, drawP.world.drawData.cam.c.to_space(bvhNode->bounds.top_right())) &&
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SCollision::collide(cC, drawP.world.drawData.cam.c.to_space(bvhNode->bounds.bottom_left()))) {
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drawP.drawCache.invalidate_cache_at_aabb(bvhNode->bounds);
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drawP.drawCache.traverse_bvh_run_function_starting_at_node_no_collision_check(bvhNode, [&](const auto& bvhNodeChild) {
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drawP.drawCache.node_loop_erase_if_components(bvhNodeChild, [&](auto c) {
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if(drawP.layerMan.component_passes_layer_selector(c, drawP.controls.layerSelector)) {
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erasedComponents.emplace(c);
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return true;
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}
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return false;
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});
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return true;
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});
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return false;
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}
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drawP.drawCache.node_loop_erase_if_components(bvhNode, [&](auto c) {
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if(drawP.layerMan.component_passes_layer_selector(c, drawP.controls.layerSelector) && c->obj->collides_with(drawP.world.drawData.cam.c, cCWorld, cC)) {
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erasedComponents.emplace(c);
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drawP.drawCache.invalidate_cache_at_aabb(c->obj->get_world_bounds());
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return true;
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}
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return false;
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});
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return true;
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});
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}
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else
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switch_tool(get_type());
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}
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bool EraserTool::prevent_undo_or_redo() {
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return drawP.controls.leftClickHeld;
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}
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void EraserTool::draw(SkCanvas* canvas, const DrawData& drawData) {
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if(!drawData.main->toolbar.io->hoverObstructed) {
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SkColor4f c = drawP.world.canvasTheme.get_tool_front_color();
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c.fA = 0.5f;
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SkPaint linePaint;
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linePaint.setColor4f(c);
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linePaint.setStyle(SkPaint::kStroke_Style);
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linePaint.setStrokeCap(SkPaint::kRound_Cap);
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linePaint.setStrokeWidth(drawP.controls.relativeWidth * 2.0f);
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SkPathBuilder erasePath;
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erasePath.moveTo(convert_vec2<SkPoint>(drawData.main->input.mouse.lastPos));
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erasePath.lineTo(convert_vec2<SkPoint>(drawData.main->input.mouse.pos));
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canvas->drawPath(erasePath.detach(), linePaint);
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}
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}
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