Steven Mahasin / Mbed 2 deprecated DreamDungeon

A rouge-like rpg, heavily inspired on the binding of isaac. Running on a FRDM-K64F Mbed board. C++.

Dependencies:   mbed MotionSensor

Entity/Bosses/Skull/Skull.cpp@56:ef9521b7ed78, 2019-05-09 (annotated)

Committer:
el17sm
Date:
Thu May 09 08:42:52 2019 +0000
Revision:
56:ef9521b7ed78
Parent:
51:4d0cd75e7ed3
Child:
57:1c12361b6e3d
Full code in-line commented

Who changed what in which revision?

UserRevisionLine numberNew contents of line
el17sm 33:4f3948dcd2f7 1 #include "Skull.h"
el17sm 36:92d131695e7c 2 #include <complex>
el17sm 33:4f3948dcd2f7 3 Skull::Skull(float pos_x, float pos_y)
el17sm 33:4f3948dcd2f7 4 {
el17sm 46:f09711580d4a 5 hp = 20;
el17sm 33:4f3948dcd2f7 6 attack = 1;
el17sm 33:4f3948dcd2f7 7
el17sm 36:92d131695e7c 8 _dash = false;
el17sm 36:92d131695e7c 9 _dash_counter = 0;
el17sm 36:92d131695e7c 10
el17sm 36:92d131695e7c 11 hitbox.width = 19;
el17sm 36:92d131695e7c 12 hitbox.height = 9;
el17sm 33:4f3948dcd2f7 13
el17sm 36:92d131695e7c 14 sprite_size.width = 21;
el17sm 36:92d131695e7c 15 sprite_size.height = 23;
el17sm 36:92d131695e7c 16 sprite_size.offset_x = -1;
el17sm 36:92d131695e7c 17 sprite_size.offset_y = -14;
el17sm 33:4f3948dcd2f7 18
el17sm 36:92d131695e7c 19 _shadow.width = 19;
el17sm 36:92d131695e7c 20 _shadow.height = 5;
el17sm 36:92d131695e7c 21 _shadow.offset_x = 0;
el17sm 36:92d131695e7c 22 _shadow.offset_y = 5;
el17sm 36:92d131695e7c 23
el17sm 36:92d131695e7c 24 position.x = pos_x;
el17sm 36:92d131695e7c 25 position.y = pos_y;
el17sm 33:4f3948dcd2f7 26 update_prev_pos();
el17sm 33:4f3948dcd2f7 27
el17sm 33:4f3948dcd2f7 28 frame.count = 0;
el17sm 33:4f3948dcd2f7 29 frame.number = 0;
el17sm 36:92d131695e7c 30 frame.max = 2;
el17sm 37:a404860171a9 31 face = 2;
el17sm 33:4f3948dcd2f7 32
el17sm 36:92d131695e7c 33 velocity = 0.2;
el17sm 46:f09711580d4a 34 _hp_drop_chance = 0;
el17sm 33:4f3948dcd2f7 35 }
el17sm 33:4f3948dcd2f7 36
el17sm 34:1d5b4da3935e 37 void Skull::move(float player_x, float player_y, char * map, bool * doorways)
el17sm 33:4f3948dcd2f7 38 {
el17sm 56:ef9521b7ed78 39 if (_dash_counter < DASH_DELAY) { // Approaching Movement
el17sm 56:ef9521b7ed78 40 approaching_movement(player_x, player_y);
el17sm 56:ef9521b7ed78 41 } else if (_dash_counter < DASH_DELAY + 28){ // Dashing movement; const 28 = 4(velocity_index_increment_delay) * 7 (length of the velocity_pattern)
el17sm 56:ef9521b7ed78 42 dash_movement();
el17sm 36:92d131695e7c 43 } else {
el17sm 36:92d131695e7c 44 _dash_counter = 0;
el17sm 36:92d131695e7c 45 velocity = 0.2;
el17sm 36:92d131695e7c 46 }
el17sm 36:92d131695e7c 47 undo_move_x(entity_to_map_collision_test(position.x, prev_pos.y, map, doorways));
el17sm 36:92d131695e7c 48 undo_move_y(entity_to_map_collision_test(prev_pos.x, position.y, map, doorways));
el17sm 33:4f3948dcd2f7 49
el17sm 36:92d131695e7c 50 _dash_counter++;
el17sm 36:92d131695e7c 51 increment_frames();
el17sm 33:4f3948dcd2f7 52 }
el17sm 33:4f3948dcd2f7 53
el17sm 56:ef9521b7ed78 54 void Skull::approaching_movement(float player_x, float player_y)
el17sm 56:ef9521b7ed78 55 {
el17sm 56:ef9521b7ed78 56 _dash = false;
el17sm 56:ef9521b7ed78 57 std::complex<double> pos_diff(player_x - position.x, player_y - position.y); // defining difference in position as a vector for simplicity, similar to Headless
el17sm 56:ef9521b7ed78 58 position.x += velocity * pos_diff.real() / std::abs(pos_diff);
el17sm 56:ef9521b7ed78 59 position.y += velocity * pos_diff.imag() / std::abs(pos_diff);
el17sm 56:ef9521b7ed78 60 // Setting Face
el17sm 56:ef9521b7ed78 61 if (abs(pos_diff.real()) > abs(pos_diff.imag())) {
el17sm 56:ef9521b7ed78 62 if (pos_diff.real() > 0) {
el17sm 56:ef9521b7ed78 63 face = 1;
el17sm 56:ef9521b7ed78 64 } else {
el17sm 56:ef9521b7ed78 65 face = 3;
el17sm 56:ef9521b7ed78 66 }
el17sm 56:ef9521b7ed78 67 } else {
el17sm 56:ef9521b7ed78 68 if (pos_diff.imag() > 0) {
el17sm 56:ef9521b7ed78 69 face = 2;
el17sm 56:ef9521b7ed78 70 } else {
el17sm 56:ef9521b7ed78 71 face = 0;
el17sm 56:ef9521b7ed78 72 }
el17sm 56:ef9521b7ed78 73 }
el17sm 56:ef9521b7ed78 74 }
el17sm 56:ef9521b7ed78 75
el17sm 56:ef9521b7ed78 76 void Skull::dash_movement() // Changes velocity over time using the velocity pattern
el17sm 56:ef9521b7ed78 77 {
el17sm 56:ef9521b7ed78 78 _dash = true;
el17sm 56:ef9521b7ed78 79 velocity = skull_velocity_pattern[(int)((_dash_counter - DASH_DELAY)/4)];
el17sm 56:ef9521b7ed78 80 if (face == 0){
el17sm 56:ef9521b7ed78 81 position.y -= velocity;
el17sm 56:ef9521b7ed78 82 } else if (face == 1){
el17sm 56:ef9521b7ed78 83 position.x += velocity;
el17sm 56:ef9521b7ed78 84 } else if (face == 2){
el17sm 56:ef9521b7ed78 85 position.y += velocity;
el17sm 56:ef9521b7ed78 86 } else if (face == 3){
el17sm 56:ef9521b7ed78 87 position.x -= velocity;
el17sm 56:ef9521b7ed78 88 }
el17sm 56:ef9521b7ed78 89 }
el17sm 56:ef9521b7ed78 90
el17sm 33:4f3948dcd2f7 91 void Skull::draw(N5110 &lcd)
el17sm 33:4f3948dcd2f7 92 {
el17sm 36:92d131695e7c 93 update_offsets();
el17sm 36:92d131695e7c 94 lcd.drawSpriteTransparent(position.x+_shadow.offset_x,
el17sm 36:92d131695e7c 95 position.y+_shadow.offset_y,
el17sm 36:92d131695e7c 96 _shadow.height,
el17sm 36:92d131695e7c 97 _shadow.width,
el17sm 36:92d131695e7c 98 (char *)skull_shadow_sprite[frame.number]);
el17sm 36:92d131695e7c 99 lcd.drawSpriteTransparent(position.x+sprite_size.offset_x,
el17sm 36:92d131695e7c 100 position.y+sprite_size.offset_y,
el17sm 36:92d131695e7c 101 sprite_size.height,
el17sm 36:92d131695e7c 102 sprite_size.width,
el17sm 36:92d131695e7c 103 (char *)skull_sprite[face][_dash]);
el17sm 33:4f3948dcd2f7 104 }
el17sm 33:4f3948dcd2f7 105
el17sm 33:4f3948dcd2f7 106 void Skull::take_damage(int damage)
el17sm 33:4f3948dcd2f7 107 {
el17sm 36:92d131695e7c 108 hp -= 1;
el17sm 36:92d131695e7c 109 }
el17sm 36:92d131695e7c 110
el17sm 56:ef9521b7ed78 111 // Methods
el17sm 36:92d131695e7c 112
el17sm 36:92d131695e7c 113 void Skull::increment_frames()
el17sm 36:92d131695e7c 114 {
el17sm 36:92d131695e7c 115 if (frame.number < frame.max) {
el17sm 36:92d131695e7c 116 frame.count++;
el17sm 36:92d131695e7c 117 } else {
el17sm 36:92d131695e7c 118 frame.count = 0;
el17sm 36:92d131695e7c 119 }
el17sm 36:92d131695e7c 120 frame.number = (frame.count/20) % frame.max;
el17sm 36:92d131695e7c 121 }
el17sm 36:92d131695e7c 122
el17sm 56:ef9521b7ed78 123 void Skull::update_offsets() // Animates the shadows by offsetting the skull from the shadow periodically
el17sm 36:92d131695e7c 124 {
el17sm 36:92d131695e7c 125 if (frame.number == 0) {
el17sm 36:92d131695e7c 126 sprite_size.offset_y = -14;
el17sm 36:92d131695e7c 127 } else if (frame.number == 1) {
el17sm 36:92d131695e7c 128 sprite_size.offset_y = -15;
el17sm 36:92d131695e7c 129 }
el17sm 33:4f3948dcd2f7 130 }