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overworld editor tile selector/painter routines

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scawful
2022-12-31 13:53:07 -06:00
parent 95d69bcb92
commit a8729add01
6 changed files with 173 additions and 90 deletions
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33
src/gui/canvas.cc
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@@ -63,6 +63,37 @@ void Canvas::DrawContextMenu() {
}
}
void Canvas::DrawTilePainter(const Bitmap& bitmap, int size) {
const ImGuiIO &io = ImGui::GetIO();
const bool is_hovered = ImGui::IsItemHovered(); // Hovered
const ImVec2 origin(canvas_p0_.x + scrolling_.x,
canvas_p0_.y + scrolling_.y); // Lock scrolled origin
const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x,
io.MousePos.y - origin.y);
if (is_hovered) {
if (!points_.empty()) {
points_.clear();
}
ImVec2 draw_tile_outline_pos;
draw_tile_outline_pos.x =
std::floor((double)mouse_pos_in_canvas.x / size) * size;
draw_tile_outline_pos.y =
std::floor((double)mouse_pos_in_canvas.y / size) * size;
points_.push_back(draw_tile_outline_pos);
points_.push_back(
ImVec2(draw_tile_outline_pos.x + size, draw_tile_outline_pos.y + size));
draw_list_->AddImage((void *)bitmap.GetTexture(),
ImVec2(draw_tile_outline_pos.x, draw_tile_outline_pos.y),
ImVec2(draw_tile_outline_pos.x + (bitmap.GetWidth() * 2),
draw_tile_outline_pos.y + (bitmap.GetHeight() * 2)));
} else {
points_.clear();
}
}
void Canvas::DrawTileSelector(int size) {
const ImGuiIO &io = ImGui::GetIO();
const bool is_hovered = ImGui::IsItemHovered(); // Hovered
@@ -70,7 +101,7 @@ void Canvas::DrawTileSelector(int size) {
canvas_p0_.y + scrolling_.y); // Lock scrolled origin
const ImVec2 mouse_pos_in_canvas(io.MousePos.x - origin.x,
io.MousePos.y - origin.y);
// Add first and second point
if (is_hovered && ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
if (!points_.empty()) {
points_.clear();