forked from Mirrors/openclonk
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
// Convert spray can into material draw tool.
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#appendto SprayCan
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local paint_bg;
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local brush_mode = 1; // 1 = Draw Brush, 2 = Quad Brush, 3 = Eraser
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public func Construction()
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{
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SetColor(RGB(Random(256), Random(256), Random(256)));
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return;
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}
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// Item activation
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public func ControlUseStart(object clonk, int x, int y)
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{
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paint_col = clonk.SelectedBrushMaterial;
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paint_bg = clonk.SelectedBrushBgMaterial;
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brush_mode = clonk.SelectedBrushMode;
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return ControlUseHolding(clonk, x, y);
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}
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public func HoldingEnabled() { return true; }
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public func ControlUseHolding(object clonk, int new_x, int new_y)
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{
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// Work in global coordinates.
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new_x += GetX(); new_y += GetY();
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// (re-)start spraying.
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if (GetAction() != "Spraying")
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StartSpraying(clonk, new_x, new_y);
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// Spray paint if position moved.
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if (new_x == last_x && new_y == last_y)
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return true;
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var wdt = clonk.SelectedBrushSize;
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var dx = new_x - last_x, dy = new_y - last_y;
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var d = Distance(dx, dy);
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var ldx = dy * wdt / d, ldy = -dx * wdt / d;
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if (!last_ldx && !last_ldy)
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{
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last_ldx = ldx;
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last_ldy = ldy;
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}
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if (brush_mode == 1)
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{
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DrawMaterialQuad(paint_col, last_x - last_ldx, last_y - last_ldy, last_x + last_ldx, last_y + last_ldy, new_x + ldx,new_y + ldy, new_x - ldx, new_y - ldy, paint_bg);
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}
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else if (brush_mode == 2)
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{
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DrawMaterialQuad(paint_col, new_x - (wdt / 2), new_y - (wdt / 2), new_x + (wdt / 2), new_y - (wdt / 2), new_x + (wdt / 2), new_y + (wdt / 2), new_x - (wdt / 2), new_y + (wdt / 2), paint_bg);
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}
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else if (brush_mode == 3)
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{
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// Draw something to set BG Mat to sky (workaround for not being able to draw Sky via DrawMaterialQuad)
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DrawMaterialQuad(paint_col, new_x - (wdt / 2), new_y - (wdt / 2), new_x + (wdt / 2), new_y - (wdt / 2), new_x + (wdt / 2), new_y + (wdt / 2), new_x - (wdt / 2), new_y + (wdt / 2), DMQ_Sky);
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ClearFreeRect(new_x - (wdt / 2), new_y - (wdt / 2), wdt, wdt);
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}
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last_x = new_x; last_y = new_y;
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last_ldx = ldx; last_ldy = ldy;
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return true;
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}
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public func QueryRejectDeparture(object clonk)
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{
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return true;
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}
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public func Departure(object clonk)
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{
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RemoveObject();
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return;
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}
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