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#include "GameMessageView.hh"

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#include "Graphics.hh"

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#include "Engine.hh"

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GameMessageView::GameMessageView (PixelArea area) :

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    area(area), messages()

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{

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}

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void GameMessageView::add_message (CL_Color color, std::string message) {

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    GameMessage msg (color, message);

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    messages.push_back(msg);

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}

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void GameMessageView::draw (Graphics *g) {

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    // get font

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    CL_Font &font = g->getSimpleFont(); 

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    // remember color

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    CL_Color font_color = font.get_color();

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    // maximum width

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    CL_Size max_size = CL_Size(area.right - area.left, 0);

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    // starting point for drawing

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    PixelDimension offset_prev = area.bottom;

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    // render messages, bottom up

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    for (std::vector<GameMessage>::reverse_iterator it = messages.rbegin(); it != messages.rend(); it++) {

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        // set message color

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        font.set_color(it->color);

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        // calculate height

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        PixelDimension height = font.get_height(it->message, max_size) + GRAPHICS_INFO_TEXT_LINE_OFFSET;

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        // new draw_point

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        PixelDimension offset_this = offset_prev - height;

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        // break if it doesn't fit anymore

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        if (offset_this < area.top)

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            break;

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        // draw text

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        font.draw(CL_Rect(area.left, offset_this, area.right, offset_prev), it->message, g->get_gc());

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        // advance offset

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        offset_prev = offset_this;

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    }

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    // restore font color

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    font.set_color(font_color);

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}

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