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Dependencies:   mbed N5110 ShiftReg PinDetect

State.h@13:7ab71c7c311b, 2015-05-09 (annotated)

Committer:
Siriagus
Date:
Sat May 09 13:56:14 2015 +0000
Revision:
13:7ab71c7c311b
Parent:
12:8178fad5e660
Child:
17:d6a3b29cab31
Expanded functionallity of drawImage - inverse, flipX, flipY. Collision test for all entities. Added simple enemy.

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