terom@410: 
terom@410: #include "GameView.hh"
terom@411: #include "Graphics.hh"
terom@411: 
terom@411: #include <cassert>
terom@410: 
terom@410: namespace graphics
terom@410: {
terom@410: 
terom@411: GameView::GameView (GameState &state, LocalPlayer *player) :
terom@412:     View(PixelArea(0, 0, graphics->display.get_width(), graphics->display.get_height())),
terom@412:     state(state), player(NULL), info_view(NULL), message_view(getMessageViewArea()),
terom@412:     flags(0)
terom@411: {
terom@411:     // have player?
terom@411:     if (player)
terom@411:         setPlayer(player);
terom@411: 
terom@411:     // insert message
terom@412:     message_view.add_message(CL_Color::white, "Hello World!");
terom@414: 
terom@414:     // enable GUI input
terom@416:     slots.connect(graphics->input.gui.sig_input(), this, &GameView::handleInput);
terom@414:     graphics->input.gui.enable();
terom@411: }
terom@411: 
terom@411: void GameView::setPlayer (LocalPlayer *player) {
terom@411:     assert(!this->player && player);
terom@411:     
terom@411:     // remember it
terom@411:     this->player = player;
terom@411: 
terom@411:     // build the info_view as well
terom@411:     info_view = new PlayerInfoView(getInfoViewArea(), player);
terom@414: 
terom@414:     // enable player input
terom@416:     slots.connect(graphics->input.player.sig_input(), player, &LocalPlayer::handleInput);
terom@414:     graphics->input.player.enable();
terom@411: }
terom@411: 
terom@414: void GameView::handleInput (GuiInput flags, TimeMS dt) {
terom@414:     // ignore timing info
terom@414:     (void) dt;
terom@414: 
terom@414:     // update our flags
terom@414:     this->flags = flags;
terom@414: 
terom@414:     // quit?
terom@414:     if (flags & GUI_INPUT_QUIT) {
terom@414:         graphics->engine.stop();
terom@414:         return;
terom@414:     }
terom@414: 
terom@414:     // dump player debug info on stderr
terom@414:     if ((flags & GUI_INPUT_DEBUG_PLAYER) && player) {
terom@414:         player->printDebugInfo();
terom@414: 
terom@414:         message_view.add_message(CL_Color::green, "...");
terom@414:     }
terom@414: 
terom@414:     // toggle fullscreen?
terom@414:     if (flags & GUI_INPUT_TOGGLE_FULLSCREEN)
terom@414:         graphics->display.toggleFullscreen();
terom@414: }
terom@414: 
terom@414: 
terom@412: /*
terom@412:  * Helper function for Camera
terom@412:  */
terom@412: static PixelDimension value_between (PixelDimension low, PixelDimension value, PixelDimension high) {
terom@412:         if (high < low)
terom@412:             return (high + low) / 2;
terom@410: 
terom@412:         else if (value < low)
terom@412:             return low;
terom@412: 
terom@412:         else if (value > high)
terom@412:             return high;
terom@412: 
terom@412:         else
terom@412:             return value;
terom@412: }
terom@412: 
terom@412: void GameView::draw (Display &display) {
terom@412:     CL_GraphicContext *gc = display.get_gc();
terom@414:     
terom@410:     // calculate camera
terom@410:     PixelCoordinate camera(0, 0);
terom@410:     
terom@410:     // ...to track our local player
terom@410:     if (player != NULL) {
terom@410:         // display resolution
terom@412:         PixelCoordinate resolution = display.getResolution();
terom@410: 
terom@410:         // try and center the screen on the player
terom@410:         PixelCoordinate target = player->getCoordinate() - PixelCoordinate(resolution.x / 2, (resolution.y - 100) / 2);
terom@410: 
terom@410:         // ...but keep the world in view
terom@410:         PixelCoordinate max = state.terrain.getDimensions() - resolution + PixelCoordinate(0, 100);
terom@410:         
terom@410:         // ...by limiting the value to 0...max
terom@410:         camera = PixelCoordinate(
terom@410:             value_between(0, target.x, max.x),
terom@410:             value_between(0, target.y, max.y)
terom@410:         );
terom@410:     }
terom@410:     
terom@410:     // Black background
terom@410:     gc->clear(CL_Color::black);
terom@410: 
terom@410:     // Draw the game
terom@412:     state.draw(display, camera, flags & GUI_INPUT_DISPLAY_WEAPON);
terom@410:     
terom@411:     // draw info view?
terom@411:     if (info_view)
terom@411:         info_view->draw(display);
terom@411: 
terom@410:     // draw messages
terom@412:     message_view.draw(display);
terom@410: }
terom@410: 
terom@411: void GameView::resize (const PixelArea &new_area) {
terom@411:     View::resize(new_area);
terom@411:     
terom@411:     // resize subcomponents
terom@411:     if (info_view)
terom@411:         info_view->resize(getInfoViewArea());
terom@411:     
terom@411:     message_view.resize(getMessageViewArea());
terom@410: 
terom@411:     // log message
terom@412:     message_view.add_message(CL_Color::yellow, CL_String::format("[ Resized window to %1 x %2 ]", (int) getWidth(), (int) getHeight()));
terom@411: }
terom@411: 
terom@411: 
terom@411: }