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Dependencies:   mbed MotionSensor

Entity/Mobs/Snake/Snake.cpp@51:4d0cd75e7ed3, 2019-05-09 (annotated)

Committer:
el17sm
Date:
Thu May 09 07:39:49 2019 +0000
Revision:
51:4d0cd75e7ed3
Parent:
44:cc4cecfc639f
Child:
54:03ddad11d202
Removed moving boolean from entity, finished commenting room.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17sm 32:fe6359ef9916 1 #include "Snake.h"
el17sm 32:fe6359ef9916 2 #include "math.h"
el17sm 32:fe6359ef9916 3 #include <complex>
el17sm 32:fe6359ef9916 4
el17sm 32:fe6359ef9916 5 // Constructor
el17sm 32:fe6359ef9916 6 Snake::Snake(float pos_x, float pos_y)
el17sm 32:fe6359ef9916 7 {
el17sm 32:fe6359ef9916 8 _hp_drop_chance = 10; // out of 100
el17sm 32:fe6359ef9916 9 _prev_face = 0;
el17sm 32:fe6359ef9916 10 face = 0;
el17sm 32:fe6359ef9916 11 hp = 4;
el17sm 32:fe6359ef9916 12 attack = 1;
el17sm 32:fe6359ef9916 13 hitbox.width = 4;
el17sm 32:fe6359ef9916 14 hitbox.height = 7;
el17sm 32:fe6359ef9916 15 position.x = pos_x;
el17sm 32:fe6359ef9916 16 position.y = pos_y;
el17sm 32:fe6359ef9916 17 sprite_size.width = 6;
el17sm 32:fe6359ef9916 18 sprite_size.height = 12;
el17sm 33:4f3948dcd2f7 19 sprite_size.offset_x = -1;
el17sm 33:4f3948dcd2f7 20 sprite_size.offset_y = -6;
el17sm 32:fe6359ef9916 21 frame.count = 0;
el17sm 32:fe6359ef9916 22 frame.number = 0;
el17sm 32:fe6359ef9916 23 frame.max = 6;
el17sm 32:fe6359ef9916 24 velocity = 0;
el17sm 32:fe6359ef9916 25 _velocity_index = 0;
el17sm 32:fe6359ef9916 26 }
el17sm 32:fe6359ef9916 27 // Member Function
el17sm 32:fe6359ef9916 28 void Snake::update_prev_face()
el17sm 32:fe6359ef9916 29 {
el17sm 32:fe6359ef9916 30 _prev_face = face;
el17sm 32:fe6359ef9916 31 }
el17sm 32:fe6359ef9916 32
el17sm 32:fe6359ef9916 33 // Member Mutator
el17sm 32:fe6359ef9916 34 void Snake::update_hitbox(int hitbox_width, int hitbox_height, int sprite_size_width, int sprite_size_height, int sprite_size_offset_x, int sprite_size_offset_y, int max_frame) // Offset, Hitbox and Frame Count update
el17sm 32:fe6359ef9916 35 {
el17sm 32:fe6359ef9916 36 if (_prev_face != face) {
el17sm 32:fe6359ef9916 37 frame.number = 0;
el17sm 36:92d131695e7c 38 hitbox.width = hitbox_width;
el17sm 32:fe6359ef9916 39 hitbox.height = hitbox_height;
el17sm 32:fe6359ef9916 40 sprite_size.width = sprite_size_width;
el17sm 32:fe6359ef9916 41 sprite_size.height = sprite_size_height;
el17sm 32:fe6359ef9916 42 sprite_size.offset_x = sprite_size_offset_x;
el17sm 32:fe6359ef9916 43 sprite_size.offset_y = sprite_size_offset_y;
el17sm 32:fe6359ef9916 44 frame.max = max_frame;
el17sm 32:fe6359ef9916 45 }
el17sm 32:fe6359ef9916 46 }
el17sm 32:fe6359ef9916 47
el17sm 32:fe6359ef9916 48 // Functions
el17sm 34:1d5b4da3935e 49 void Snake::move(float player_x, float player_y, char * map, bool * doorways)
el17sm 32:fe6359ef9916 50 {
el17sm 36:92d131695e7c 51 float diff_x = player_x - position.x; // defining difference in position as a vector
el17sm 36:92d131695e7c 52 float diff_y = player_y - position.y;
el17sm 36:92d131695e7c 53 velocity = snake_velocity_pattern[_velocity_index]; // Creating slithering effect, changing velocity of movement
el17sm 32:fe6359ef9916 54 update_prev_face();
el17sm 32:fe6359ef9916 55
el17sm 32:fe6359ef9916 56 // Setting Face
el17sm 32:fe6359ef9916 57 if (_velocity_index == 0) {
el17sm 36:92d131695e7c 58 if (abs(diff_x) > abs(diff_y)) {
el17sm 36:92d131695e7c 59 if (diff_x > 0) {
el17sm 32:fe6359ef9916 60 face = 1;
el17sm 32:fe6359ef9916 61 } else {
el17sm 32:fe6359ef9916 62 face = 3;
el17sm 32:fe6359ef9916 63 }
el17sm 32:fe6359ef9916 64 } else {
el17sm 36:92d131695e7c 65 if (diff_y > 0) {
el17sm 36:92d131695e7c 66 face = 2;
el17sm 36:92d131695e7c 67 } else {
el17sm 32:fe6359ef9916 68 face = 0;
el17sm 32:fe6359ef9916 69 }
el17sm 32:fe6359ef9916 70 }
el17sm 32:fe6359ef9916 71 }
el17sm 32:fe6359ef9916 72
el17sm 32:fe6359ef9916 73 // Movement
el17sm 32:fe6359ef9916 74 if (face == 0) {
el17sm 44:cc4cecfc639f 75 position.y -= velocity;
el17sm 33:4f3948dcd2f7 76 update_hitbox(4, 7, 6, 12, -1, -6, 6);
el17sm 32:fe6359ef9916 77 } else if (face == 1) {
el17sm 32:fe6359ef9916 78 position.x += velocity;
el17sm 33:4f3948dcd2f7 79 update_hitbox(7, 4, 12, 7, -6, -4, 4);
el17sm 32:fe6359ef9916 80 } else if (face == 2) {
el17sm 44:cc4cecfc639f 81 position.y += velocity;
el17sm 33:4f3948dcd2f7 82 update_hitbox(4, 7, 6, 12, -1, -5, 6);
el17sm 32:fe6359ef9916 83 } else if (face == 3) {
el17sm 32:fe6359ef9916 84 position.x -= velocity;
el17sm 36:92d131695e7c 85 update_hitbox(7, 4, 12, 7, 0, -4, 4);
el17sm 32:fe6359ef9916 86 }
el17sm 32:fe6359ef9916 87
el17sm 32:fe6359ef9916 88 undo_move_x(entity_to_map_collision_test(position.x, prev_pos.y, map, doorways));
el17sm 32:fe6359ef9916 89 undo_move_y(entity_to_map_collision_test(prev_pos.x, position.y, map, doorways));
el17sm 32:fe6359ef9916 90
el17sm 32:fe6359ef9916 91 frame.count++;
el17sm 32:fe6359ef9916 92 if (frame.count >= 10) {
el17sm 32:fe6359ef9916 93 frame.count = 0;
el17sm 32:fe6359ef9916 94 _velocity_index++;
el17sm 32:fe6359ef9916 95 frame.number++;
el17sm 32:fe6359ef9916 96 if (_velocity_index >= 6) {
el17sm 32:fe6359ef9916 97 _velocity_index = 0;
el17sm 32:fe6359ef9916 98 }
el17sm 32:fe6359ef9916 99 if (frame.number >= frame.max) {
el17sm 32:fe6359ef9916 100 frame.number = 0;
el17sm 32:fe6359ef9916 101 }
el17sm 32:fe6359ef9916 102 }
el17sm 32:fe6359ef9916 103 }
el17sm 32:fe6359ef9916 104
el17sm 32:fe6359ef9916 105 void Snake::take_damage(int damage)
el17sm 32:fe6359ef9916 106 {
el17sm 32:fe6359ef9916 107 hp -= damage;
el17sm 32:fe6359ef9916 108 }
el17sm 32:fe6359ef9916 109
el17sm 33:4f3948dcd2f7 110 char * Snake::get_frame()
el17sm 32:fe6359ef9916 111 {
el17sm 32:fe6359ef9916 112 if(face == 0) {
el17sm 36:92d131695e7c 113 return (char *) sprite_snake_y[0][frame.number];
el17sm 32:fe6359ef9916 114 } else if(face == 1) {
el17sm 33:4f3948dcd2f7 115 return (char *) sprite_snake_x[0][frame.number];
el17sm 32:fe6359ef9916 116 } else if(face == 2) {
el17sm 36:92d131695e7c 117 return (char *) sprite_snake_y[1][frame.number];
el17sm 32:fe6359ef9916 118 } else if(face == 3) {
el17sm 33:4f3948dcd2f7 119 return (char *) sprite_snake_x[1][frame.number];
el17sm 32:fe6359ef9916 120 }
el17sm 32:fe6359ef9916 121 return 0;
el17sm 32:fe6359ef9916 122 }
el17sm 32:fe6359ef9916 123
el17sm 32:fe6359ef9916 124 void Snake::draw(N5110 &lcd)
el17sm 32:fe6359ef9916 125 {
el17sm 36:92d131695e7c 126 lcd.drawSpriteTransparent(get_pos_x()+sprite_size.offset_x,
el17sm 36:92d131695e7c 127 get_pos_y()+sprite_size.offset_y,
el17sm 36:92d131695e7c 128 sprite_size.height,
el17sm 36:92d131695e7c 129 sprite_size.width,
el17sm 36:92d131695e7c 130 get_frame());
el17sm 32:fe6359ef9916 131 }