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Dependencies:   mbed N5110 ShiftReg PinDetect

State.h@19:89c3eeb3761b, 2021-03-25 (annotated)

Committer:
hugohu
Date:
Thu Mar 25 03:43:10 2021 +0000
Revision:
19:89c3eeb3761b
Parent:
17:d6a3b29cab31 
A more complex game in developing.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Siriagus 1:0cfe2255092a 1 #ifndef STATE_H
Siriagus 1:0cfe2255092a 2 #define STATE_H
Siriagus 1:0cfe2255092a 3
Siriagus 4:d6661b976359 4 #include "N5110.h"
Siriagus 4:d6661b976359 5 #include "PinDetect.h"
Siriagus 4:d6661b976359 6 #include "InputManager.h"
hugohu 19:89c3eeb3761b 7 #include "Music.h"
hugohu 19:89c3eeb3761b 8 #include "ShiftReg.h"
Siriagus 4:d6661b976359 9
Siriagus 10:f2488a0ecab7 10 /** @file State.h
Siriagus 10:f2488a0ecab7 11 * @author Andreas Garmannslund
Siriagus 10:f2488a0ecab7 12 * @date April 2015
Siriagus 10:f2488a0ecab7 13 */
Siriagus 10:f2488a0ecab7 14
Siriagus 4:d6661b976359 15 class StateManager;
Siriagus 4:d6661b976359 16
Siriagus 10:f2488a0ecab7 17 /// States used in the finite state machine.
Siriagus 8:9ac6a428fa26 18 enum MainState {MAIN_MENU, GAME, SUBMIT_HIGHSCORE, GAME_OVER, NO_STATE, TITLE_SCREEN};
Siriagus 4:d6661b976359 19
Siriagus 10:f2488a0ecab7 20 /// Abstract class for states in the program's main finite state machine. All state implementations is derived from this abstract class.
Siriagus 1:0cfe2255092a 21 class State
Siriagus 5:100d960fc6d5 22 {
Siriagus 1:0cfe2255092a 23 public:
Siriagus 10:f2488a0ecab7 24
Siriagus 10:f2488a0ecab7 25 /* Creates a new state object. Should be called from child's constructor.
Siriagus 10:f2488a0ecab7 26 * @param fsm Pointer to finished state machine.
Siriagus 10:f2488a0ecab7 27 * @param lcd Pointer to the N5110 lcd object.
Siriagus 10:f2488a0ecab7 28 * @param input Pointer to the InputManager object, used for controlling user input.
Siriagus 10:f2488a0ecab7 29 */
hugohu 19:89c3eeb3761b 30 State(StateManager* fsm, N5110 *lcd, InputManager* input, Sound* sound, ShiftReg* shiftreg)
hugohu 19:89c3eeb3761b 31 :lcd(lcd), input(input), sound(sound), shiftreg(shiftreg), fsm(fsm) {}
Siriagus 4:d6661b976359 32
Siriagus 10:f2488a0ecab7 33 /// Handle user input and update logic.
Siriagus 7:678873947b29 34 virtual void update(float dt) = 0;
Siriagus 10:f2488a0ecab7 35
Siriagus 10:f2488a0ecab7 36 /// Draw to screen.
Siriagus 4:d6661b976359 37 virtual void render() = 0;
Siriagus 4:d6661b976359 38
Siriagus 7:678873947b29 39 protected:
Siriagus 10:f2488a0ecab7 40 /* Requests the finite state machine to switch to a new state when possible.
Siriagus 10:f2488a0ecab7 41 * @param newState The state the fsm should switch to.
Siriagus 10:f2488a0ecab7 42 **/
Siriagus 7:678873947b29 43 void requestStateChange(MainState newState);
Siriagus 10:f2488a0ecab7 44
Siriagus 10:f2488a0ecab7 45 /** Draws an image to the lcd
Siriagus 10:f2488a0ecab7 46 * @param img Array with the same size as the display, where 1 is opaque, 0 is blank.
Siriagus 10:f2488a0ecab7 47 */
Siriagus 12:8178fad5e660 48 //void drawImage(const int img[BANKS][WIDTH]); // Draws an image from array
Siriagus 12:8178fad5e660 49
Siriagus 12:8178fad5e660 50
Siriagus 12:8178fad5e660 51 /** Draws an image/sprite to the lcd
Siriagus 13:7ab71c7c311b 52 * Only the solid pixels are drawn. If two images overlap, the second image drawn will
Siriagus 13:7ab71c7c311b 53 * not clear pixels which are solid in the first image.
Siriagus 12:8178fad5e660 54 * @param img const int array where a solid pixel equals 1, and a blank pixel equals zero
Siriagus 12:8178fad5e660 55 * @param x Horizontal position of image (leftmost pixel)
Siriagus 12:8178fad5e660 56 * @param y Vertical position of image (uppermost pixel)
Siriagus 13:7ab71c7c311b 57 * @param Inverses images. Default value is false
Siriagus 12:8178fad5e660 58 * See seperate program for how this array can be generated from an image file using SFML!
Siriagus 12:8178fad5e660 59 */
hugohu 19:89c3eeb3761b 60 template<class T, size_t rows, size_t cols>
hugohu 19:89c3eeb3761b 61 void drawImage(const T (&img)[rows][cols], int x = 0, int y = 0, bool inverse = false, bool flipX = false, bool flipY = false);
Siriagus 4:d6661b976359 62
Siriagus 4:d6661b976359 63 protected:
Siriagus 4:d6661b976359 64 N5110 *lcd;
Siriagus 4:d6661b976359 65 InputManager *input;
Siriagus 17:d6a3b29cab31 66 Sound *sound;
hugohu 19:89c3eeb3761b 67 ShiftReg *shiftreg;
Siriagus 4:d6661b976359 68
Siriagus 4:d6661b976359 69 private:
Siriagus 4:d6661b976359 70 StateManager *fsm;
Siriagus 4:d6661b976359 71
Siriagus 1:0cfe2255092a 72 };
Siriagus 1:0cfe2255092a 73
Siriagus 12:8178fad5e660 74 // Template functions needs to be declared in the header file
Siriagus 12:8178fad5e660 75 // TODO: Add functions for inverse drawing
hugohu 19:89c3eeb3761b 76 template<class T, size_t rows, size_t cols>
hugohu 19:89c3eeb3761b 77 void State::drawImage(const T (&img)[rows][cols], int x, int y, bool inverse, bool flipX, bool flipY)
Siriagus 12:8178fad5e660 78 {
Siriagus 13:7ab71c7c311b 79 int targetX, targetY; // The position on the lcd we are writing to
Siriagus 13:7ab71c7c311b 80
Siriagus 12:8178fad5e660 81 for (int i = 0; i < rows; ++i)
Siriagus 12:8178fad5e660 82 {
Siriagus 13:7ab71c7c311b 83 targetY = (flipY) ? (y + (rows-1) - i) : (y + i);
Siriagus 13:7ab71c7c311b 84
Siriagus 12:8178fad5e660 85 // Skip if outside dimensions of LCD
Siriagus 13:7ab71c7c311b 86 if (targetY < 0) continue;
Siriagus 13:7ab71c7c311b 87 else if (targetY >= HEIGHT) continue;
Siriagus 12:8178fad5e660 88
Siriagus 12:8178fad5e660 89 for (int j = 0; j < cols; ++j)
Siriagus 12:8178fad5e660 90 {
Siriagus 13:7ab71c7c311b 91 targetX = (flipX) ? (x + ((cols - 1) - j)) : (x + j);
Siriagus 13:7ab71c7c311b 92
Siriagus 12:8178fad5e660 93 // Dimensions check. Draws left to right.
Siriagus 13:7ab71c7c311b 94 if (targetX < 0) continue;
Siriagus 13:7ab71c7c311b 95 else if (targetX >= WIDTH) continue;
Siriagus 12:8178fad5e660 96
Siriagus 13:7ab71c7c311b 97 int solid = img[i][j];
Siriagus 13:7ab71c7c311b 98
Siriagus 13:7ab71c7c311b 99 if ((solid && !inverse) || (!solid && inverse))
Siriagus 13:7ab71c7c311b 100 lcd->setPixel(targetX, targetY);
Siriagus 12:8178fad5e660 101
Siriagus 12:8178fad5e660 102 }
Siriagus 12:8178fad5e660 103 }
Siriagus 12:8178fad5e660 104 }
Siriagus 1:0cfe2255092a 105 #endif