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Dependencies:   mbed el17jd

Player/Player.cpp@11:db27d3838514, 2019-05-06 (annotated)

Committer:
joshdavy
Date:
Mon May 06 14:43:01 2019 +0000
Revision:
11:db27d3838514
Parent:
10:58cf89dd878c
Child:
14:1e6f74233e8e
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
joshdavy 3:b34685dbdb8d 1 #include "Player.h"
joshdavy 11:db27d3838514 2 /** Player Class
joshdavy 11:db27d3838514 3
joshdavy 11:db27d3838514 4 @brief Player Class handles the updating,location and collision detection of the
joshdavy 11:db27d3838514 5 player as well as rendering the player on screen depending on the current
joshdavy 11:db27d3838514 6 orientation.
joshdavy 11:db27d3838514 7 @version 1.0
joshdavy 3:b34685dbdb8d 8
joshdavy 11:db27d3838514 9 @author Joshua Davy el17jd
joshdavy 3:b34685dbdb8d 10
joshdavy 11:db27d3838514 11 @date April 2019
joshdavy 11:db27d3838514 12
joshdavy 11:db27d3838514 13 */
joshdavy 11:db27d3838514 14
joshdavy 11:db27d3838514 15 /**
joshdavy 11:db27d3838514 16 * @brief Constructor (no paramateters)
joshdavy 11:db27d3838514 17 */
joshdavy 3:b34685dbdb8d 18
joshdavy 3:b34685dbdb8d 19 Player::Player()
joshdavy 3:b34685dbdb8d 20 {
joshdavy 8:21b6d4dbce44 21
joshdavy 3:b34685dbdb8d 22 }
joshdavy 11:db27d3838514 23 /**
joshdavy 11:db27d3838514 24 * @brief Deconstructor
joshdavy 11:db27d3838514 25 */
joshdavy 3:b34685dbdb8d 26 Player::~Player()
joshdavy 3:b34685dbdb8d 27 {
joshdavy 3:b34685dbdb8d 28
joshdavy 3:b34685dbdb8d 29 }
joshdavy 3:b34685dbdb8d 30
joshdavy 11:db27d3838514 31
joshdavy 11:db27d3838514 32 /**
joshdavy 11:db27d3838514 33 * @brief Initialises the player
joshdavy 11:db27d3838514 34 * @param pos @details The initial positon of the player
joshdavy 11:db27d3838514 35 */
joshdavy 10:58cf89dd878c 36 void Player::init(Vector2D pos)
joshdavy 4:afbf3dd71403 37 {
joshdavy 10:58cf89dd878c 38 _height = PLAYER_HEIGHT;
joshdavy 10:58cf89dd878c 39 _width = PLAYER_WIDTH;
joshdavy 11:db27d3838514 40 _pos = pos; // Changes with the player moving
joshdavy 11:db27d3838514 41 _initial_pos = pos; // Constant
joshdavy 8:21b6d4dbce44 42 _bitmap = (int *) player_bitmap_left; // Default
joshdavy 10:58cf89dd878c 43 _orientation = 1; // Upright
joshdavy 10:58cf89dd878c 44 _direction = -1; // Left
joshdavy 4:afbf3dd71403 45 }
joshdavy 4:afbf3dd71403 46
joshdavy 11:db27d3838514 47 /**
joshdavy 11:db27d3838514 48 * @brief Checks if the player is off the screen, if so returns player
joshdavy 11:db27d3838514 49 * to initial position.
joshdavy 11:db27d3838514 50 */
joshdavy 9:96969b1c6bde 51 void Player::check_out_of_range()
joshdavy 9:96969b1c6bde 52 {
joshdavy 11:db27d3838514 53 // If off the screen.
joshdavy 9:96969b1c6bde 54 if (_pos.x < -5 || _pos.x > 89 || _pos.y < -5 || _pos.y > 53) {
joshdavy 11:db27d3838514 55 // Return to initial positon.
joshdavy 9:96969b1c6bde 56 _pos = _initial_pos;
joshdavy 9:96969b1c6bde 57 _orientation = 1;
joshdavy 9:96969b1c6bde 58 }
joshdavy 9:96969b1c6bde 59 }
joshdavy 11:db27d3838514 60 /**
joshdavy 11:db27d3838514 61 * @brief Returns true if the player has reached the goal.
joshdavy 11:db27d3838514 62 * @returns if the goal has been reached
joshdavy 11:db27d3838514 63 */
joshdavy 10:58cf89dd878c 64 bool Player::check_goal_reached(Vector2D goal)
joshdavy 9:96969b1c6bde 65 {
joshdavy 9:96969b1c6bde 66 bool goal_reached = false;
joshdavy 11:db27d3838514 67 // X and Y distance from the player to the goal.
joshdavy 9:96969b1c6bde 68 int x_distance = abs(goal.x - _pos.x);
joshdavy 9:96969b1c6bde 69 int y_distance = abs(goal.y - _pos.y);
joshdavy 11:db27d3838514 70 // If within 2 pixels in the X direction and 6 pixels in the Y direction
joshdavy 9:96969b1c6bde 71 if (x_distance < 2 && y_distance < 6) {
joshdavy 11:db27d3838514 72 // Then the goal has been reached.
joshdavy 9:96969b1c6bde 73 goal_reached = true;
joshdavy 9:96969b1c6bde 74 }
joshdavy 9:96969b1c6bde 75 return goal_reached;
joshdavy 9:96969b1c6bde 76 }
joshdavy 11:db27d3838514 77 /**
joshdavy 11:db27d3838514 78 * @brief Returns true if the player can move vertically down
joshdavy 11:db27d3838514 79 * @returns True if can move down
joshdavy 11:db27d3838514 80 */
joshdavy 8:21b6d4dbce44 81 bool Player::can_move_down(Block blocks [],int number_of_blocks)
joshdavy 8:21b6d4dbce44 82 {
joshdavy 8:21b6d4dbce44 83 bool can_move_down = true;
joshdavy 11:db27d3838514 84 // For every block
joshdavy 8:21b6d4dbce44 85 for (int i = 0; i < number_of_blocks; i++) {
joshdavy 11:db27d3838514 86 // If the player is within the x range of the block
joshdavy 8:21b6d4dbce44 87 if (_pos.x + _width > blocks[i].first.x &&
joshdavy 8:21b6d4dbce44 88 _pos.x < blocks[i].second.x) {
joshdavy 11:db27d3838514 89 // And the players bottom edge is equal to the blocks top edge
joshdavy 8:21b6d4dbce44 90 if ( (_pos.y + _height) == blocks[i].first.y ) {
joshdavy 11:db27d3838514 91 // cant move down
joshdavy 8:21b6d4dbce44 92 can_move_down = false;
joshdavy 8:21b6d4dbce44 93 }
joshdavy 8:21b6d4dbce44 94 }
joshdavy 8:21b6d4dbce44 95 }
joshdavy 8:21b6d4dbce44 96 return can_move_down;
joshdavy 8:21b6d4dbce44 97 }
joshdavy 8:21b6d4dbce44 98
joshdavy 11:db27d3838514 99 /**
joshdavy 11:db27d3838514 100 * @brief Returns true if the player can move vertically up
joshdavy 11:db27d3838514 101 * @returns True if can move up
joshdavy 11:db27d3838514 102 */
joshdavy 8:21b6d4dbce44 103 bool Player::can_move_up(Block blocks [],int number_of_blocks)
joshdavy 8:21b6d4dbce44 104 {
joshdavy 8:21b6d4dbce44 105 bool can_move_up = true;
joshdavy 11:db27d3838514 106 // For every block
joshdavy 8:21b6d4dbce44 107 for (int i = 0; i < number_of_blocks; i++) {
joshdavy 11:db27d3838514 108 // If within the x range of the block
joshdavy 8:21b6d4dbce44 109 if (_pos.x + _width > blocks[i].first.x &&
joshdavy 8:21b6d4dbce44 110 _pos.x < blocks[i].second.x) {
joshdavy 11:db27d3838514 111 // and the top edge of the player is equal to the bottom edge
joshdavy 11:db27d3838514 112 // of the block
joshdavy 8:21b6d4dbce44 113 if ( (_pos.y) == blocks[i].second.y ) {
joshdavy 11:db27d3838514 114 // cant move up
joshdavy 8:21b6d4dbce44 115 can_move_up = false;
joshdavy 8:21b6d4dbce44 116 }
joshdavy 8:21b6d4dbce44 117 }
joshdavy 8:21b6d4dbce44 118 }
joshdavy 8:21b6d4dbce44 119 return can_move_up;
joshdavy 8:21b6d4dbce44 120 }
joshdavy 8:21b6d4dbce44 121
joshdavy 11:db27d3838514 122 /**
joshdavy 11:db27d3838514 123 * @brief Returns true if the player can move left
joshdavy 11:db27d3838514 124 * @returns True if can move left
joshdavy 11:db27d3838514 125 */
joshdavy 8:21b6d4dbce44 126 bool Player::can_move_left(Block blocks [],int number_of_blocks)
joshdavy 8:21b6d4dbce44 127 {
joshdavy 8:21b6d4dbce44 128 bool can_move_left = true;
joshdavy 11:db27d3838514 129 // For every block
joshdavy 8:21b6d4dbce44 130 for (int i = 0; i < number_of_blocks; i++) {
joshdavy 11:db27d3838514 131 // If within the y range of the block
joshdavy 8:21b6d4dbce44 132 if (_pos.y + _height > blocks[i].first.y &&
joshdavy 8:21b6d4dbce44 133 _pos.y < blocks[i].second.y) {
joshdavy 11:db27d3838514 134 // And the left edge of the player is equal to the right edge of
joshdavy 11:db27d3838514 135 // the block
joshdavy 8:21b6d4dbce44 136 if ( (_pos.x) == blocks[i].second.x ) {
joshdavy 11:db27d3838514 137 // Cant move left.
joshdavy 8:21b6d4dbce44 138 can_move_left = false;
joshdavy 8:21b6d4dbce44 139 }
joshdavy 8:21b6d4dbce44 140 }
joshdavy 8:21b6d4dbce44 141 }
joshdavy 8:21b6d4dbce44 142 return can_move_left;
joshdavy 8:21b6d4dbce44 143 }
joshdavy 11:db27d3838514 144 /**
joshdavy 11:db27d3838514 145 * @brief Returns true if the player can move right
joshdavy 11:db27d3838514 146 * @returns True if can move right
joshdavy 11:db27d3838514 147 */
joshdavy 8:21b6d4dbce44 148 bool Player::can_move_right(Block blocks [],int number_of_blocks)
joshdavy 8:21b6d4dbce44 149 {
joshdavy 8:21b6d4dbce44 150 bool can_move_right = true;
joshdavy 11:db27d3838514 151 // For every block
joshdavy 8:21b6d4dbce44 152 for (int i = 0; i < number_of_blocks; i++) {
joshdavy 11:db27d3838514 153 // If within the y range of the block
joshdavy 8:21b6d4dbce44 154 if (_pos.y + _height > blocks[i].first.y &&
joshdavy 8:21b6d4dbce44 155 _pos.y < blocks[i].second.y) {
joshdavy 11:db27d3838514 156 // And the right edge of the player is equal to the left edge of
joshdavy 11:db27d3838514 157 // the block
joshdavy 8:21b6d4dbce44 158 if ( (_pos.x + _width) == blocks[i].first.x ) {
joshdavy 11:db27d3838514 159 // cant move right
joshdavy 8:21b6d4dbce44 160 can_move_right = false;
joshdavy 8:21b6d4dbce44 161 }
joshdavy 8:21b6d4dbce44 162 }
joshdavy 8:21b6d4dbce44 163 }
joshdavy 8:21b6d4dbce44 164 return can_move_right;
joshdavy 8:21b6d4dbce44 165 }
joshdavy 8:21b6d4dbce44 166
joshdavy 11:db27d3838514 167 /**
joshdavy 11:db27d3838514 168 * @brief Updates the sprite depending on the current orientation/direction
joshdavy 11:db27d3838514 169 * @param int orientation @details Current player orientation.
joshdavy 11:db27d3838514 170 * @param int direction @details Current player direction.
joshdavy 11:db27d3838514 171 */
joshdavy 10:58cf89dd878c 172 void Player::update_sprite(int orientation, int direction)
joshdavy 8:21b6d4dbce44 173 {
joshdavy 10:58cf89dd878c 174 // If poiting left and upright
joshdavy 10:58cf89dd878c 175 if (direction == -1 && orientation == 1) {
joshdavy 8:21b6d4dbce44 176 _bitmap = (int *) player_bitmap_left;
joshdavy 8:21b6d4dbce44 177 }
joshdavy 10:58cf89dd878c 178 // If poiting right and upright
joshdavy 10:58cf89dd878c 179 if (direction == 1 && orientation == 1) {
joshdavy 8:21b6d4dbce44 180 _bitmap = (int *) player_bitmap_right;
joshdavy 8:21b6d4dbce44 181 }
joshdavy 10:58cf89dd878c 182 // If poiting left and upside down
joshdavy 10:58cf89dd878c 183 if (direction == -1 && orientation == -1) {
joshdavy 8:21b6d4dbce44 184 _bitmap = (int *) player_bitmap_left_flipped;
joshdavy 8:21b6d4dbce44 185 }
joshdavy 10:58cf89dd878c 186 // If poiting right and upside down
joshdavy 10:58cf89dd878c 187 if (direction == 1 && orientation == -1) {
joshdavy 8:21b6d4dbce44 188 _bitmap = (int *) player_bitmap_right_flipped;
joshdavy 8:21b6d4dbce44 189 }
joshdavy 8:21b6d4dbce44 190
joshdavy 10:58cf89dd878c 191 }
joshdavy 8:21b6d4dbce44 192
joshdavy 11:db27d3838514 193 /**
joshdavy 11:db27d3838514 194 * @brief Processes the gamepad buttons and updates the player accordingly
joshdavy 11:db27d3838514 195 * @param Gamepad pad @details The gamepad object
joshdavy 11:db27d3838514 196 * @param Block blocks [] @details The array of blocks
joshdavy 11:db27d3838514 197 * @param int number_of_blocks @details The number of blocks
joshdavy 11:db27d3838514 198 */
joshdavy 10:58cf89dd878c 199 void Player::process_inputs(Gamepad &pad,Block blocks [], int number_of_blocks)
joshdavy 10:58cf89dd878c 200 {
joshdavy 10:58cf89dd878c 201 // If A pressed and touching a block vertically
joshdavy 8:21b6d4dbce44 202 if (pad.check_event(Gamepad::A_PRESSED) &&
joshdavy 10:58cf89dd878c 203 (!can_move_down(blocks,number_of_blocks) ||
joshdavy 10:58cf89dd878c 204 !can_move_up(blocks,number_of_blocks))
joshdavy 9:96969b1c6bde 205 ) {
joshdavy 10:58cf89dd878c 206 // then flip the orientation
joshdavy 8:21b6d4dbce44 207 if (_orientation == 1) {
joshdavy 8:21b6d4dbce44 208 _orientation = -1;
joshdavy 8:21b6d4dbce44 209 } else {
joshdavy 8:21b6d4dbce44 210 _orientation = 1;
joshdavy 8:21b6d4dbce44 211 }
joshdavy 8:21b6d4dbce44 212 }
joshdavy 10:58cf89dd878c 213 // If joystick is held left and not touching a block on the left
joshdavy 10:58cf89dd878c 214 if (pad.get_coord().x < -0.7f && can_move_left(blocks,number_of_blocks)) {
joshdavy 10:58cf89dd878c 215 // then move left and set the direction facing to -1 (left)
joshdavy 10:58cf89dd878c 216 _pos.x -= SPEED;
joshdavy 10:58cf89dd878c 217 _direction = -1;
joshdavy 10:58cf89dd878c 218 }
joshdavy 10:58cf89dd878c 219 // If joystick is held right and not touching a block on the right
joshdavy 10:58cf89dd878c 220 if (pad.get_coord().x > 0.7f && can_move_right(blocks,number_of_blocks)) {
joshdavy 10:58cf89dd878c 221 // then move right and set the direction facing to 1 (right)
joshdavy 10:58cf89dd878c 222 _pos.x += SPEED;
joshdavy 10:58cf89dd878c 223 _direction = 1;
joshdavy 10:58cf89dd878c 224 }
joshdavy 10:58cf89dd878c 225 }
joshdavy 8:21b6d4dbce44 226
joshdavy 11:db27d3838514 227 /**
joshdavy 11:db27d3838514 228 * @brief Updates the player position due to gravity
joshdavy 11:db27d3838514 229 * @param Block blocks [] @details The array of blocks
joshdavy 11:db27d3838514 230 * @param int number_of_blocks @details The number of blocks
joshdavy 11:db27d3838514 231 */
joshdavy 10:58cf89dd878c 232 void Player::gravity(Block blocks [], int number_of_blocks)
joshdavy 10:58cf89dd878c 233 {
joshdavy 10:58cf89dd878c 234 // If upright and can move down gravity increases the position
joshdavy 8:21b6d4dbce44 235 if (_orientation == 1 && can_move_down( blocks,
joshdavy 9:96969b1c6bde 236 number_of_blocks)) {
joshdavy 9:96969b1c6bde 237 _pos.y += GRAVITY;
joshdavy 8:21b6d4dbce44 238 }
joshdavy 10:58cf89dd878c 239 // If upside down and can move up gravity decreases the position
joshdavy 9:96969b1c6bde 240 if (_orientation == -1 && can_move_up(blocks,
joshdavy 9:96969b1c6bde 241 number_of_blocks)) {
joshdavy 9:96969b1c6bde 242 _pos.y -= GRAVITY;
joshdavy 8:21b6d4dbce44 243 }
joshdavy 9:96969b1c6bde 244
joshdavy 10:58cf89dd878c 245 }
joshdavy 11:db27d3838514 246 /**
joshdavy 11:db27d3838514 247 * @brief Updates the player. Should be called every frame.
joshdavy 11:db27d3838514 248 * @param Block blocks [] @details The array of blocks
joshdavy 11:db27d3838514 249 * @param int number_of_blocks @details The number of blocks
joshdavy 11:db27d3838514 250 */
joshdavy 10:58cf89dd878c 251 void Player::update(Gamepad &pad, Block blocks [],int number_of_blocks)
joshdavy 10:58cf89dd878c 252 {
joshdavy 10:58cf89dd878c 253 process_inputs(pad,blocks,number_of_blocks);
joshdavy 10:58cf89dd878c 254 gravity(blocks,number_of_blocks);
joshdavy 10:58cf89dd878c 255 check_out_of_range();
joshdavy 10:58cf89dd878c 256 update_sprite(_orientation,_direction);
joshdavy 8:21b6d4dbce44 257 }
joshdavy 8:21b6d4dbce44 258
joshdavy 8:21b6d4dbce44 259
joshdavy 8:21b6d4dbce44 260