gfxmanager.h

/*
  Copyright (C) 2012-2015 - Voidious

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

#ifndef GFX_MANAGER_H
#define GFX_MANAGER_H

#include <SFML/Graphics.hpp>
#include "stage.h"
#include "bbutil.h"
#include "gfxeventhandler.h"
#include "dockitem.h"
#include "docktext.h"
#include "dockshape.h"
#include "dockfader.h"

#define DOCK_TOP_HEIGHT           120
#define DOCK_BOTTOM_HEIGHT        155
#define DRAW_SHIP_RADIUS          (SHIP_RADIUS - .7)
#define SHIP_OUTLINE_THICKNESS    1.7
#define WINDOW_SIZE_STEP          .1

#define DOCK_SIZE                 159
#define SHIP_DOT_POSITION         DRAW_SHIP_RADIUS * .45
#define SHIP_DOT_RADIUS           DRAW_SHIP_RADIUS * .2
#define SHIP_DOT_FRAMES           240
#define LASER_THICKNESS           2
#define THRUSTER_THICKNESS        6
#define THRUSTER_LENGTH           12
#define ENERGY_THICKNESS          2
#define ENERGY_LENGTH             (DRAW_SHIP_RADIUS * 4)
#define THRUSTER_ZERO             (DRAW_SHIP_RADIUS + 1.0) / (DRAW_SHIP_RADIUS + THRUSTER_LENGTH)
#define TORPEDO_RADIUS            4
#define TORPEDO_SIZE              TORPEDO_RADIUS * 2
#define SHIP_DEATH_FRAMES         16
#define SHIP_DEATH_FRAME_LENGTH   2
#define SHIP_DEATH_TIME           (SHIP_DEATH_FRAMES * SHIP_DEATH_FRAME_LENGTH)
#define SHIP_DEATH_RADIUS         6
#define LASER_SPARK_LENGTH        8
#define LASER_SPARK_THICKNESS     1.5
#define LASER_SPARK_FRAMES        8
#define LASER_SPARK_TIME          LASER_SPARK_FRAMES
#define TORPEDO_SPARK_RADIUS      1.5
#define TORPEDO_SPARK_FRAMES      40
#define TORPEDO_SPARK_TIME        TORPEDO_SPARK_FRAMES
#define TORPEDO_BLAST_FRAMES      20
#define TORPEDO_BLAST_TIME        TORPEDO_BLAST_FRAMES
#define MIN_TEXT_FONT_SIZE        12
#define MAX_TEXT_FONT_SIZE        256
#define FONT_NAME                 "resources/Questrial-Regular.ttf"

// @ohaas: Some new animations for wall-ship and ship-ship collisions
#define WALLCOLL_SPARK_RADIUS      1.2
#define WALLCOLL_SPARK_FRAMES      10
#define WALLCOLL_SPARK_TIME        WALLCOLL_SPARK_FRAMES
#define SHIPSHIPCOLL_SPARK_RADIUS  1.2
#define SHIPSHIPCOLL_SPARK_FRAMES  10
#define SHIPSHIPCOLL_SPARK_TIME    SHIPSHIPCOLL_SPARK_FRAMES
#define DRAW_SHIELDS_RADIUS        (SHIP_RADIUS + 3.0)
#define SHIELDS_THICKNESS          1.0

#define DOCK_ENERGY_LENGTH        (DOCK_SIZE - 40)
#define DOCK_BUTTON_FONT_SIZE     20
#define DOCK_SHORTCUT_FONT_SIZE   18
#define SHIP_STAGE_FONT_SIZE      16

#define TORPEDO_COLOR             sf::Color(255, 89, 38, 255)
#define BLAST_COLOR               sf::Color(255, 128, 51, 255)
#define ENERGY_COLOR              sf::Color(255, 255, 0, 255)
#define ZONE_COLOR                sf::Color(100, 68, 68, 255)
#define DOCK_LINE_COLOR           sf::Color(100, 100, 100)


class GfxViewListener {
  public:
    virtual void onNewMatch() = 0;
    virtual void onPackageShip() = 0;
    virtual void onPackageStage() = 0;
    virtual void onStageClick() = 0;
    virtual void onTeamClick(int teamIndex) = 0;
    virtual void onPauseUnpause() = 0;
    virtual void onRestart() = 0;
    virtual void onTpsChange(double tpsFactor) = 0;
    virtual ~GfxViewListener() {};
};

class GfxManager {
  bool showDock_;
  DockItem *newMatchButton_;
  DockItem *packageShipButton_;
  DockItem *packageStageButton_;
  DockText *stageButton_;
  DockText **teamButtons_;
  DockShape *pauseButton_;
  DockShape *playButton_;
  DockShape *restartButton_;
  DockFader *tpsFader_;
  GfxViewListener *listener_;
  Team **teams_;
  int numTeams_;
  Ship **ships_;
  int numShips_;
  Stage *stage_;
  bool initialized_;
  bool adjustingTps_;
  int viewHeight_;
  double backingScale_;
  int dockTeamsViewHeight_;
  int dockTeamsScrollPosition_;
  int dockTeamsScrollBottom_;
  int tpsFaderSetting_;

  sf::CircleShape shipShape_;
  sf::CircleShape shipDotShape_;
  sf::Vector2f shipDotPoint_;
  sf::CircleShape destroyedShape_;
  sf::RectangleShape laserSparkShape_;
  sf::Vector2f laserSparkPoint_;
  sf::RectangleShape laserShape_;
  sf::Vector2f laserPoint_;
  sf::CircleShape torpedoSparkShape_;
  sf::Vector2f torpedoSparkPoint_;
  sf::CircleShape torpedoCircleShape_;
  sf::RectangleShape torpedoRay_;
  sf::Vector2f torpedoRayPoint_;
  sf::CircleShape torpedoBlastShape_;
  sf::RectangleShape thrusterShape_;
  sf::Vector2f thrusterPoint_;
  sf::RectangleShape energyShape_;
  sf::RectangleShape dockEnergyShape_;
  sf::RectangleShape dockLineShape_;
  sf::RectangleShape dockMarginShape_;

  sf::CircleShape wallCollSparkShape_;
  sf::Vector2f wallCollSparkPoint_;
  sf::CircleShape shipShipCollSparkShape_;
  sf::Vector2f shipShipCollSparkPoint_;
  sf::CircleShape shieldsShape_;
  
  sf::RectangleShape **wallShapes_;
  int numWalls_;
  sf::RectangleShape **zoneShapes_;
  int numZones_;

  sf::Color* shipColors_;
  int* shipDotOffsets_;
  bool* shipDotDirections_;
  sf::Color* shipDeathColors_;
  sf::Color* laserColors_;
  sf::Color* thrusterColors_;
  sf::Color* shieldsColors_;

  sf::View dockTopView_;
  sf::View dockTeamsView_;
  sf::View dockBottomView_;
  sf::View stageView_;
  sf::Font font_;

  public:
    GfxManager(std::string resourcePath, bool showDock);
    ~GfxManager();
    void initBbGfx(sf::RenderWindow *window, double backingScale,
                   unsigned int viewHeight, Stage *stage, Team **teams,
                   int numTeams, Ship **ships, int numShips);
    void destroyBbGfx();
    void setListener(GfxViewListener *listener);
    void drawGame(sf::RenderWindow *window, Stage *stage, Ship **ships,
                  int numShips, int time, GfxEventHandler *gfxHandler,
                  bool paused, bool gameOver, const char *winnerName);
    void increaseWindowSize(sf::RenderWindow *window, int viewWidth,
                            int viewHeight);
    void decreaseWindowSize(sf::RenderWindow *window, int viewWidth,
                            int viewHeight);
    void defaultWindowSize(sf::RenderWindow *window, int viewWidth,
                           int viewHeight);
    void increaseGameSpeed();
    void decreaseGameSpeed();
    void initViews(sf::RenderWindow *window, unsigned int viewWidth,
                   unsigned int viewHeight);
    void onResize(sf::RenderWindow *window, unsigned int viewWidth,
                  unsigned int viewHeight);
    void processMouseDown(int x, int y);
    void processMouseUp(int x, int y);
    void processMouseMoved(int x, int y);
    void processMouseWheel(int x, int y, int delta);
    void showKeyboardShortcuts();
    void hideKeyboardShortcuts();
  private:
    void copyShipColors(int shipIndex);
    void initDockItems(sf::RenderWindow *window);
    void destroyDockItems();
    void adjustWindowScale(sf::RenderWindow *window, int viewWidth,
                           int viewHeight, double scaleDelta);
    void resizeViews(sf::RenderWindow *window, unsigned int viewWidth,
                     unsigned int viewHeight, bool forceUpdate);
    void updateViews(sf::RenderWindow *window, unsigned int viewWidth,
                     unsigned int viewHeight, unsigned int windowWidth,
                     unsigned int windowHeight);
    void updateShipColors();
    void drawWalls(sf::RenderWindow *window);
    void drawZones(sf::RenderWindow *window);
    void adjustTorpedoRayPoint(sf::RectangleShape *rayShape, double angle);
    void drawTorpedos(sf::RenderWindow *window, Stage *stage);
    void drawTorpedoBlasts(sf::RenderWindow *window, int time,
                           GfxEventHandler *gfxHandler);
                           
    void adjustWallCollSparkPosition(sf::CircleShape *sparkShape,
                                     double angle, int sparkTime, int sparkSpeed);
    void drawWallCollSparks(sf::RenderWindow *window, int time,
                            GfxEventHandler *gfxHandler, Ship **ships);
    void adjustShipShipCollSparkPosition(sf::CircleShape *sparkShape,
        double angle, int sparkTime, int sparkSpeed);
    void drawShipShipCollSparks(sf::RenderWindow *window, int time,
        GfxEventHandler *gfxHandler, Ship **ships);
                                                         
    void adjustThrusterPosition(sf::RectangleShape *thrusterShape,
                                double angle);
    void drawThrusters(sf::RenderWindow *window, Ship **ships, int numShips);
    void adjustLaserPosition(sf::RectangleShape *laserShape, double angle);
    void drawLasers(sf::RenderWindow *window, Stage *stage);
    void adjustShipDotPosition(sf::CircleShape *shipDotShape, double angle);
    void drawShips(sf::RenderWindow *window, Ship **ships, int numShips,
                   int time);
    void drawShipDeaths(sf::RenderWindow *window, int time,
                        GfxEventHandler *gfxHandler);
    void adjustLaserSparkPosition(sf::RectangleShape *sparkShape, double angle,
                                  int sparkTime);
    void drawLaserSparks(sf::RenderWindow *window, int time,
                         GfxEventHandler *gfxHandler, Ship **ships);
    void adjustTorpedoSparkPosition(sf::CircleShape *sparkShape, double angle,
                                    int sparkTime, int sparkSpeed);
    void drawTorpedoSparks(sf::RenderWindow *window, int time,
                           GfxEventHandler *gfxHandler, Ship **ships);
    void drawNames(sf::RenderWindow *window, Ship **ships, int numShips);
    void drawStageTexts(sf::RenderWindow *window, Stage *stage, int time);
    void adjustUserGfxRectanglePosition(sf::RectangleShape *rectangleShape,
                                        double angle);
    void adjustUserGfxLinePosition(sf::RectangleShape *rectangleShape,
                                   double angle);
    void drawUserGfxs(sf::RenderWindow *window, Stage *stage, int time);
    void drawUserGfxRectangles(sf::RenderWindow *window,
        UserGfxRectangle** gfxRectangles, int numRectangles);
    void drawUserGfxLines(sf::RenderWindow *window, UserGfxLine** gfxLines,
                          int numLines);
    void drawUserGfxCircles(sf::RenderWindow *window,
                            UserGfxCircle** gfxCircles, int numCircles);
    void drawUserGfxTexts(sf::RenderWindow *window, UserGfxText** gfxTexts,
                          int numTexts);
    void drawDock(sf::RenderWindow *window, Stage *stage, bool paused);
    void drawDockItem(sf::RenderWindow *window, DockItem *dockItem);
    void drawGameOver(sf::RenderWindow *window, Stage *stage,
                      const char *winnerName);
    int getShipDockTop(int index);
    void updateTps();
    double adjustX(double x);
    double adjustY(double x, double height);
    double adjustY(double x);
};

#endif