Momentum-Apps/doom/constants.h

#ifndef _constants_h
#define _constants_h
#define PB_CONSTEXPR constexpr

#define PI 3.14159265358979323846

// Key pinout
#define USE_INPUT_PULLUP
#define K_LEFT  6
#define K_RIGHT 7
#define K_UP    8
#define K_DOWN  3
#define K_FIRE  10

// SNES Controller
// uncomment following line to enable snes controller support
// #define SNES_CONTROLLER
const uint8_t DATA_CLOCK = 11;
const uint8_t DATA_LATCH = 12;
const uint8_t DATA_SERIAL = 13;

// Sound
const uint8_t SOUND_PIN = 9; // do not change, belongs to used timer

// GFX settings
#define OPTIMIZE_SSD1306 // Optimizations for SSD1366 displays

#define FRAME_TIME  66.666666 // Desired time per frame in ms (66.666666 is ~15 fps)
#define RES_DIVIDER 2

/* Higher values will result in lower horizontal resolution when rasterize and lower process and memory usage
 Lower will require more process and memory, but looks nicer
 */
#define Z_RES_DIVIDER       2 // Zbuffer resolution divider. We sacrifice resolution to save memory
#define DISTANCE_MULTIPLIER 20

/* Distances are stored as uint8_t, multiplying the distance we can obtain more precision taking care 
 of keep numbers inside the type range. Max is 256 / MAX_RENDER_DEPTH 
 */

#define MAX_RENDER_DEPTH 12
#define MAX_SPRITE_DEPTH 8

#define ZBUFFER_SIZE SCREEN_WIDTH / Z_RES_DIVIDER

// Level
#define LEVEL_WIDTH_BASE 6
#define LEVEL_WIDTH      (1 << LEVEL_WIDTH_BASE)
#define LEVEL_HEIGHT     57
#define LEVEL_SIZE       LEVEL_WIDTH / 2 * LEVEL_HEIGHT

// scenes
#define INTRO     0
#define GAME_PLAY 1

// Game
#define GUN_TARGET_POS 18
#define GUN_SHOT_POS   GUN_TARGET_POS + 4

#define ROT_SPEED     .12
#define MOV_SPEED     .2
#define MOV_SPEED_INV 5 // 1 / MOV_SPEED

#define JOGGING_SPEED   .005
#define ENEMY_SPEED     .02
#define FIREBALL_SPEED  .2
#define FIREBALL_ANGLES 45 // Num of angles per PI

#define MAX_ENTITIES        10 // Max num of active entities
#define MAX_STATIC_ENTITIES 28 // Max num of entities in sleep mode

#define MAX_ENTITY_DISTANCE    200 // * DISTANCE_MULTIPLIER
#define MAX_ENEMY_VIEW         80 // * DISTANCE_MULTIPLIER
#define ITEM_COLLIDER_DIST     6 // * DISTANCE_MULTIPLIER
#define ENEMY_COLLIDER_DIST    4 // * DISTANCE_MULTIPLIER
#define FIREBALL_COLLIDER_DIST 2 // * DISTANCE_MULTIPLIER
#define ENEMY_MELEE_DIST       6 // * DISTANCE_MULTIPLIER
#define WALL_COLLIDER_DIST     .2

#define ENEMY_MELEE_DAMAGE    8
#define ENEMY_FIREBALL_DAMAGE 20
#define GUN_MAX_DAMAGE        20

// display
const uint8_t SCREEN_WIDTH = 128;
const uint8_t SCREEN_HEIGHT = 64;
const uint8_t HALF_WIDTH = SCREEN_WIDTH / 2;
const uint8_t RENDER_HEIGHT = 56; // raycaster working height (the rest is for the hud)
const uint8_t HALF_HEIGHT = SCREEN_HEIGHT / 2;

#endif