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#include "Graphics.hh"

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#include "GameState.hh"

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#include <cmath>

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Graphics::Graphics (Engine &engine, GameState &state) :

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    CL_DisplayWindow(GRAPHICS_WINDOW_TITLE, GRAPHICS_RESOLUTION_WIDTH, GRAPHICS_RESOLUTION_HEIGHT),

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    engine(engine), 

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    state(state), 

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    update_timer(GRAPHICS_UPDATE_INTERVAL_MS),

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    simple_font("Font2", engine.getResourceManager()) 

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{

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    // connect timer signal

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    slots.connect(update_timer.sig_tick(), this, &Graphics::on_update);

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    // enable

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    update_timer.start();

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}

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void Graphics::check_input (void) {

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    LocalPlayer *player;

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    PlayerInput input_mask = 0;

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    // update gui flags

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    // quit?

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    if (flags & GUI_INPUT_QUIT) {

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        engine.stop();

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        return;

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    }

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    // stop here if we don't have a local player

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    if ((player = state.getLocalPlayer()) == NULL)

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        return;

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    // dump debug info on stderr

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    if (flags & GUI_INPUT_DEBUG_PLAYER)

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        player->printDebugInfo();

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    // build input_mask

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    // apply input if there was any

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    if (input_mask)

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        player->handleInput(input_mask);

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}

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void Graphics::do_redraw (void) {

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    CL_GraphicContext *gc = get_gc();

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    // White background

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    gc->clear(CL_Color::white);

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    // Draw the game

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    state.draw(this, flags & GUI_INPUT_DISPLAY_WEAPON);

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    // Flip window buffer, sync

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    flip(1);

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}

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void Graphics::on_update (TimeMS tick_length) {

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    // check keyboard input

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    check_input();

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    // redraw display

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    do_redraw();

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}