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Dependencies:   mbed MotionSensor

Headless/Headless.cpp@60:44ddfb791e2b, 2019-05-09 (annotated)

Committer:
el17sm
Date:
Thu May 09 14:55:43 2019 +0000
Revision:
60:44ddfb791e2b
Parent:
Entity/Mobs/Headless/Headless.cpp@57:1c12361b6e3d 
Separated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17sm 32:fe6359ef9916 1 #include "Headless.h"
el17sm 32:fe6359ef9916 2 #include "math.h"
el17sm 32:fe6359ef9916 3 #include <complex>
el17sm 32:fe6359ef9916 4
el17sm 32:fe6359ef9916 5 Headless::Headless(float pos_x, float pos_y)
el17sm 32:fe6359ef9916 6 {
el17sm 57:1c12361b6e3d 7 _hp = 4;
el17sm 57:1c12361b6e3d 8 _attack = 1;
el17sm 57:1c12361b6e3d 9 _face = 0;
el17sm 56:ef9521b7ed78 10 _hp_drop_chance = 10; // out of 100
el17sm 56:ef9521b7ed78 11
el17sm 57:1c12361b6e3d 12 _hitbox.width = 6;
el17sm 57:1c12361b6e3d 13 _hitbox.height = 5;
el17sm 56:ef9521b7ed78 14
el17sm 57:1c12361b6e3d 15 _position.x = pos_x;
el17sm 57:1c12361b6e3d 16 _position.y = pos_y;
el17sm 56:ef9521b7ed78 17
el17sm 57:1c12361b6e3d 18 _sprite_size.width = 6;
el17sm 57:1c12361b6e3d 19 _sprite_size.height = 9;
el17sm 57:1c12361b6e3d 20 _sprite_size.offset_x = 0;
el17sm 57:1c12361b6e3d 21 _sprite_size.offset_y = -4;
el17sm 56:ef9521b7ed78 22
el17sm 57:1c12361b6e3d 23 _frame.count = 0;
el17sm 57:1c12361b6e3d 24 _frame.number = 0;
el17sm 57:1c12361b6e3d 25 _frame.max = 4;
el17sm 56:ef9521b7ed78 26
el17sm 57:1c12361b6e3d 27 _velocity = 0.25;
el17sm 32:fe6359ef9916 28 }
el17sm 32:fe6359ef9916 29
el17sm 34:1d5b4da3935e 30 void Headless::move(float player_x, float player_y, char * map, bool * doorways)
el17sm 32:fe6359ef9916 31 {
el17sm 57:1c12361b6e3d 32 std::complex<double> pos_diff(player_x - _position.x, player_y - _position.y); // Defining difference in position as a vector for simplicity (magnitude is hard to calculate)
el17sm 57:1c12361b6e3d 33 _position.x += _velocity * pos_diff.real() / std::abs(pos_diff);
el17sm 57:1c12361b6e3d 34 _position.y += _velocity * pos_diff.imag() / std::abs(pos_diff);
el17sm 56:ef9521b7ed78 35 // Setting face
el17sm 36:92d131695e7c 36 if (abs(pos_diff.real()) > abs(pos_diff.imag())) {
el17sm 57:1c12361b6e3d 37 if (pos_diff.real() > 0) { _face = 1;
el17sm 57:1c12361b6e3d 38 } else { _face = 3;
el17sm 36:92d131695e7c 39 }
el17sm 36:92d131695e7c 40 } else {
el17sm 57:1c12361b6e3d 41 if (pos_diff.imag() > 0) { _face = 2;
el17sm 57:1c12361b6e3d 42 } else { _face = 0;
el17sm 36:92d131695e7c 43 }
el17sm 32:fe6359ef9916 44 }
el17sm 56:ef9521b7ed78 45 // Wall Collision
el17sm 57:1c12361b6e3d 46 undo_move_x(entity_to_map_collision_test(_position.x, _prev_pos.y, map, doorways));
el17sm 57:1c12361b6e3d 47 undo_move_y(entity_to_map_collision_test(_prev_pos.x, _position.y, map, doorways));
el17sm 56:ef9521b7ed78 48 // Animation
el17sm 56:ef9521b7ed78 49 increment_frame();
el17sm 56:ef9521b7ed78 50 }
el17sm 32:fe6359ef9916 51
el17sm 56:ef9521b7ed78 52 void Headless::increment_frame()
el17sm 56:ef9521b7ed78 53 {
el17sm 57:1c12361b6e3d 54 if (_frame.number < _frame.max) {
el17sm 57:1c12361b6e3d 55 _frame.count++;
el17sm 32:fe6359ef9916 56 } else {
el17sm 57:1c12361b6e3d 57 _frame.count = 0;
el17sm 32:fe6359ef9916 58 }
el17sm 57:1c12361b6e3d 59 _frame.number = (_frame.count/16) % _frame.max; // Frame number is used in chosing sprite-frame for animation; the constant 16 is the number of frames per sprite-frame
el17sm 32:fe6359ef9916 60 }
el17sm 32:fe6359ef9916 61
el17sm 32:fe6359ef9916 62 void Headless::draw(N5110 &lcd)
el17sm 32:fe6359ef9916 63 {
el17sm 57:1c12361b6e3d 64 lcd.drawSpriteTransparent(_position.x+_sprite_size.offset_x,
el17sm 57:1c12361b6e3d 65 _position.y+_sprite_size.offset_y,
el17sm 57:1c12361b6e3d 66 _sprite_size.height,
el17sm 57:1c12361b6e3d 67 _sprite_size.width,
el17sm 32:fe6359ef9916 68 get_frame());
el17sm 32:fe6359ef9916 69 }
el17sm 32:fe6359ef9916 70
el17sm 32:fe6359ef9916 71 void Headless::take_damage(int damage)
el17sm 32:fe6359ef9916 72 {
el17sm 57:1c12361b6e3d 73 _hp -= damage;
el17sm 32:fe6359ef9916 74 }
el17sm 32:fe6359ef9916 75
el17sm 56:ef9521b7ed78 76 char * Headless::get_frame() // Returns the corresponding frame
el17sm 32:fe6359ef9916 77 {
el17sm 57:1c12361b6e3d 78 return (char *) sprite_headless[_face][_frame.number];
el17sm 32:fe6359ef9916 79 }