forked from 0ad/0ad
89 lines
2.0 KiB
JavaScript
89 lines
2.0 KiB
JavaScript
var g_ActiveSelectionColour = { r:1, g:1, b:1, a:1 };
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var g_HighlightSelectionColour = { r:1, g:1, b:1, a:0.5 };
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var g_InactiveSelectionColour = { r:1, g:1, b:1, a:0 };
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function _setHighlight(ents, colour)
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{
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Engine.GuiInterfaceCall("SetSelectionHighlight", { "entities":ents, "colour":colour });
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}
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function EntitySelection()
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{
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this.selected = {}; // { id: 1, id: 1, ... } for each selected entity ID 'id'
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this.highlighted = {}; // { id: 1, ... } for mouseover-highlighted entity IDs
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}
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EntitySelection.prototype.toggle = function(ent)
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{
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if (this.selected[ent])
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{
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_setHighlight([ent], g_InactiveSelectionColour);
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delete this.selected[ent];
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}
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else
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{
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_setHighlight([ent], g_ActiveSelectionColour);
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this.selected[ent] = 1;
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}
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};
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EntitySelection.prototype.addList = function(ents)
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{
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var added = [];
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for each (var ent in ents)
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{
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if (!this.selected[ent])
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{
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added.push(ent);
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this.selected[ent] = 1;
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}
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}
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_setHighlight(added, g_ActiveSelectionColour);
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};
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EntitySelection.prototype.reset = function()
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{
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_setHighlight(this.toList(), g_InactiveSelectionColour);
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this.selected = {};
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};
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EntitySelection.prototype.toList = function()
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{
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var ents = [];
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for (var ent in this.selected)
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ents.push(+ent); // convert from string to number and push
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return ents;
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};
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EntitySelection.prototype.setHighlightList = function(ents)
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{
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var removed = [];
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var added = [];
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// Remove highlighting for the old units (excluding ones that are actively selected too)
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for (var ent in this.highlighted)
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if (!this.selected[ent])
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removed.push(ent);
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// Add new highlighting
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for each (var ent in ents)
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if (!this.selected[ent])
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added.push(ent);
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_setHighlight(removed, g_InactiveSelectionColour);
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_setHighlight(added, g_HighlightSelectionColour);
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// TODO: this could be a bit more efficient by only changing the ones that
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// have entered/left the highlight list
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// Store the new list
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this.highlighted = {};
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for each (var ent in ents)
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this.highlighted[ent] = 1;
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};
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var g_Selection = new EntitySelection();
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