117 lines
2.5 KiB
Rust
117 lines
2.5 KiB
Rust
//! Main map editor module.
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//!
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//! The entry point is responsible for maintaining the lifetime of the editor
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//! state and human interactions with it, but is otherwise not permitted to
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//! directly edit it.
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use maraiah::{durandal::image::*,
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marathon::map,
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rozinante::{color::*, draw::*}};
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impl MapEditor
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{
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/// Creates a closed map editor.
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#[inline]
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pub const fn new_closed() -> Self
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{
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MapEditor::Closed
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}
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/// Opens the editor with a new empty map.
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#[inline]
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pub fn open_new(&mut self)
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{
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*self = MapEditor::Opened(MapEditorState::default());
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}
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/// Draws the screen for this editor state.
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pub fn draw<D, I>(&self, d: &D, im: &I)
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where D: DrawArea<NativeImage = I>,
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I: CacheImage
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{
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match self {
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MapEditor::Closed => {
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let tx_top = "Map Required To Proceed";
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let tx_bot = "CAS.qterm//CyberAcme Systems Inc.";
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let dw = d.w();
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let dh = d.h();
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let iw = im.w();
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let ih = im.h();
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d.clear(Color16::new(0, 0, 0));
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d.image((dw / 2 - iw / 2, dh / 2 - ih / 2), im);
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d.rect(Rect{x: 0, y: 0, w: dw, h: 18}, CR_DARK_RED);
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d.text((4, 14), tx_top, CR_RED);
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d.rect(Rect{x: 0, y: dh - 18, w: dw, h: 18}, CR_DARK_RED);
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d.text((4, dh - 4), tx_bot, CR_RED);
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}
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MapEditor::Opened(_st) => {
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d.clear(Color16::new(0, 0, 0));
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}
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}
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}
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/// Returns `true` if `self` is closed.
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#[allow(dead_code)]
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#[inline]
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pub fn is_closed(&self) -> bool
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{
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match self {
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MapEditor::Closed => true,
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MapEditor::Opened(_) => false,
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}
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}
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/// Returns `true` if `self` is opened.
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#[allow(dead_code)]
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#[inline]
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pub fn is_opened(&self) -> bool
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{
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match self {
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MapEditor::Closed => false,
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MapEditor::Opened(_) => true,
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}
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}
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}
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impl Default for Tool
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{
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fn default() -> Tool {Tool::Points}
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}
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/// Copyable map state.
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#[derive(Clone, Default)]
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pub struct MapEditorStateBlock
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{
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info: map::Minf,
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}
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/// The state of an opened map editor.
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#[derive(Default)]
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pub struct MapEditorState
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{
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edit_stack: Vec<MapEditorStateBlock>,
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tool: Tool,
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}
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/// An entire map editor, which may be opened or closed.
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pub enum MapEditor
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{
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Closed,
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Opened(MapEditorState),
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}
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/// A tool in the map editor.
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pub enum Tool
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{
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Points,
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Lines,
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Polygons,
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}
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// EOF
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