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Flipper/Applications/Official/DEV_FW/source/xMasterX/tanksgame/tanks_game.c
UberGuidoZ e292fbfcd5 Added xMasterX API v11.x source
2023-01-25 23:52:38 -08:00

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#include <furi.h>
#include <gui/gui.h>
#include <input/input.h>
#include <stdlib.h>
#include <string.h>
#include <lib/toolbox/args.h>
#include <lib/subghz/receiver.h>
#include <lib/subghz/subghz_keystore.h>
#include <lib/subghz/protocols/base.h>
#include <lib/subghz/protocols/raw.h>
#include <lib/subghz/protocols/princeton.h>
#include <lib/subghz/subghz_tx_rx_worker.h>
#include <Tanks_icons.h>
#include "constants.h"
typedef struct {
// +-----x
// |
// |
// y
uint8_t x;
uint8_t y;
} Point;
typedef enum {
CellEmpty = 1,
CellWall,
CellExplosion,
CellTankUp,
CellTankRight,
CellTankDown,
CellTankLeft,
CellEnemyUp,
CellEnemyRight,
CellEnemyDown,
CellEnemyLeft,
CellProjectileUp,
CellProjectileRight,
CellProjectileDown,
CellProjectileLeft,
} GameCellState;
typedef enum {
MenuStateSingleMode,
MenuStateCooperativeServerMode,
MenuStateCooperativeClientMode,
} MenuState;
typedef enum {
GameStateMenu,
GameStateSingle,
GameStateCooperativeServer,
GameStateCooperativeClient,
GameStateGameOver,
} GameState;
typedef enum {
DirectionUp,
DirectionRight,
DirectionDown,
DirectionLeft,
} Direction;
typedef enum {
ModeSingle,
ModeCooperative,
} Mode;
typedef struct {
Point coordinates;
Direction direction;
bool explosion;
bool is_p1;
bool is_p2;
} ProjectileState;
typedef struct {
Point coordinates;
uint16_t score;
uint8_t lives;
Direction direction;
bool moving;
bool shooting;
bool live;
uint8_t cooldown;
uint8_t respawn_cooldown;
} PlayerState;
typedef struct {
// char map[FIELD_WIDTH][FIELD_HEIGHT];
char thisMap[16][11];
Point team_one_respawn_points[3];
Point team_two_respawn_points[3];
Mode mode;
bool server;
GameState state;
MenuState menu_state;
ProjectileState* projectiles[100];
PlayerState* bots[6];
uint8_t enemies_left;
uint8_t enemies_live;
uint8_t enemies_respawn_cooldown;
uint8_t received;
uint8_t sent;
PlayerState* p1;
PlayerState* p2;
} TanksState;
typedef enum {
EventTypeTick,
EventTypeKey,
} EventType;
typedef struct {
EventType type;
InputEvent input;
} TanksEvent;
typedef enum {
GoesUp,
GoesRight,
GoesDown,
GoesLeft,
Shoots,
} ClientAction;
//char map[FIELD_HEIGHT][FIELD_WIDTH + 1] = {
char thisMap[11][16 + 1] = {
"* - * -",
" - - = ",
" - - 2",
"1 = - -- ",
"-- = - -- ",
"a-1 = - = 2",
"-- = - -- ",
"1 = - -- ",
" - - 2",
" - - = ",
"* - * -",
};
static void tanks_game_write_cell(unsigned char* data, int8_t x, int8_t y, GameCellState cell) {
uint8_t index = y * 16 + x;
data[index] = cell;
// if (x % 2) {
// data[index] = (data[index] & 0b00001111) + (cell << 4);
// } else {
// data[index] = (data[index] & 0b0000) + cell;
// }
}
// Enum with < 16 items => 4 bits in cell, 2 cells in byte
unsigned char* tanks_game_serialize(const TanksState* const tanks_state) {
static unsigned char result[11 * 16 + 1];
for(int8_t x = 0; x < FIELD_WIDTH; x++) {
for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
result[(y * FIELD_WIDTH + x)] = 0;
GameCellState cell = CellEmpty;
if(tanks_state->thisMap[x][y] == '-') {
cell = CellWall;
tanks_game_write_cell(result, x, y, cell);
}
}
}
for(uint8_t i = 0; i < 6; i++) {
if(tanks_state->bots[i] != NULL) {
GameCellState cell = CellEmpty;
switch(tanks_state->bots[i]->direction) {
case DirectionUp:
cell = CellEnemyUp;
break;
case DirectionDown:
cell = CellEnemyDown;
break;
case DirectionRight:
cell = CellEnemyRight;
break;
case DirectionLeft:
cell = CellEnemyLeft;
break;
default:
break;
}
tanks_game_write_cell(
result,
tanks_state->bots[i]->coordinates.x,
tanks_state->bots[i]->coordinates.y,
cell);
}
}
for(int8_t x = 0; x < 100; x++) {
if(tanks_state->projectiles[x] != NULL) {
GameCellState cell = CellEmpty;
switch(tanks_state->projectiles[x]->direction) {
case DirectionUp:
cell = CellProjectileUp;
break;
case DirectionDown:
cell = CellProjectileDown;
break;
case DirectionRight:
cell = CellProjectileRight;
break;
case DirectionLeft:
cell = CellProjectileLeft;
break;
default:
break;
}
tanks_game_write_cell(
result,
tanks_state->projectiles[x]->coordinates.x,
tanks_state->projectiles[x]->coordinates.y,
cell);
}
}
if(tanks_state->p1 != NULL && tanks_state->p1->live) {
GameCellState cell = CellEmpty;
switch(tanks_state->p1->direction) {
case DirectionUp:
cell = CellTankUp;
break;
case DirectionDown:
cell = CellTankDown;
break;
case DirectionRight:
cell = CellTankRight;
break;
case DirectionLeft:
cell = CellTankLeft;
break;
default:
break;
}
tanks_game_write_cell(
result, tanks_state->p1->coordinates.x, tanks_state->p1->coordinates.y, cell);
}
if(tanks_state->p2 != NULL && tanks_state->p2->live) {
GameCellState cell = CellEmpty;
switch(tanks_state->p2->direction) {
case DirectionUp:
cell = CellTankUp;
break;
case DirectionDown:
cell = CellTankDown;
break;
case DirectionRight:
cell = CellTankRight;
break;
case DirectionLeft:
cell = CellTankLeft;
break;
default:
break;
}
tanks_game_write_cell(
result, tanks_state->p2->coordinates.x, tanks_state->p2->coordinates.y, cell);
}
return result;
}
static void
tanks_game_render_cell(GameCellState cell, uint8_t x, uint8_t y, Canvas* const canvas) {
const Icon* icon;
if(cell == CellEmpty) {
return;
}
switch(cell) {
case CellWall:
icon = &I_tank_wall;
break;
case CellExplosion:
icon = &I_tank_explosion;
break;
case CellTankUp:
icon = &I_tank_up;
break;
case CellTankRight:
icon = &I_tank_right;
break;
case CellTankDown:
icon = &I_tank_down;
break;
case CellTankLeft:
icon = &I_tank_left;
break;
case CellEnemyUp:
icon = &I_enemy_up;
break;
case CellEnemyRight:
icon = &I_enemy_right;
break;
case CellEnemyDown:
icon = &I_enemy_down;
break;
case CellEnemyLeft:
icon = &I_enemy_left;
break;
case CellProjectileUp:
icon = &I_projectile_up;
break;
case CellProjectileRight:
icon = &I_projectile_right;
break;
case CellProjectileDown:
icon = &I_projectile_down;
break;
case CellProjectileLeft:
icon = &I_projectile_left;
break;
default:
return;
break;
}
canvas_draw_icon(canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, icon);
}
static void tanks_game_render_constant_cells(Canvas* const canvas) {
for(int8_t x = 0; x < FIELD_WIDTH; x++) {
for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
char cell = thisMap[y][x];
if(cell == '=') {
canvas_draw_icon(
canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_stone);
continue;
}
if(cell == '*') {
canvas_draw_icon(
canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_hedgehog);
continue;
}
if(cell == 'a') {
canvas_draw_icon(
canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_base);
continue;
}
}
}
}
void tanks_game_deserialize_and_write_to_state(unsigned char* data, TanksState* const tanks_state) {
for(uint8_t i = 0; i < 11 * 16; i++) {
uint8_t x = i % 16;
uint8_t y = i / 16;
tanks_state->thisMap[x][y] = data[i];
}
}
void tanks_game_deserialize_and_render(unsigned char* data, Canvas* const canvas) {
//for (uint8_t i = 0; i < 11 * 16 / 2; i++) {
for(uint8_t i = 0; i < 11 * 16; i++) {
char cell = data[i];
uint8_t x = i % 16; // One line (16 cells) = 8 bytes
uint8_t y = i / 16;
// GameCellState first = cell >> 4;
// GameCellState second = cell & 0b00001111;
tanks_game_render_cell(cell, x, y, canvas);
// tanks_game_render_cell(second, x + 1, y, canvas);
}
tanks_game_render_constant_cells(canvas);
}
static void tanks_game_render_callback(Canvas* const canvas, void* ctx) {
const TanksState* tanks_state = acquire_mutex((ValueMutex*)ctx, 25);
if(tanks_state == NULL) {
return;
}
// Before the function is called, the state is set with the canvas_reset(canvas)
if(tanks_state->state == GameStateMenu) {
canvas_draw_icon(canvas, 0, 0, &I_TanksSplashScreen_128x64);
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(canvas, 124, 10, AlignRight, AlignBottom, "Single");
canvas_draw_str_aligned(canvas, 124, 25, AlignRight, AlignBottom, "Co-op S");
canvas_draw_str_aligned(canvas, 124, 40, AlignRight, AlignBottom, "Co-op C");
switch(tanks_state->menu_state) {
case MenuStateSingleMode:
canvas_draw_icon(canvas, 74, 3, &I_tank_right);
break;
case MenuStateCooperativeServerMode:
canvas_draw_icon(canvas, 74, 18, &I_tank_right);
break;
case MenuStateCooperativeClientMode:
canvas_draw_icon(canvas, 74, 33, &I_tank_right);
break;
}
canvas_draw_frame(canvas, 0, 0, 128, 64);
release_mutex((ValueMutex*)ctx, tanks_state);
return;
}
// Field right border
canvas_draw_box(canvas, FIELD_WIDTH * CELL_LENGTH_PIXELS, 0, 2, SCREEN_HEIGHT_TANKS);
// Cooperative client
if(tanks_state->mode == ModeCooperative && !tanks_state->server) {
for(int8_t x = 0; x < FIELD_WIDTH; x++) {
for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
tanks_game_render_cell(tanks_state->thisMap[x][y], x, y, canvas);
}
}
tanks_game_render_constant_cells(canvas);
release_mutex((ValueMutex*)ctx, tanks_state);
return;
}
// Player
// Point coordinates = tanks_state->p1->coordinates;
// const Icon *icon;
// switch (tanks_state->p1->direction) {
// case DirectionUp:
// icon = &I_tank_up;
// break;
// case DirectionDown:
// icon = &I_tank_down;
// break;
// case DirectionRight:
// icon = &I_tank_right;
// break;
// case DirectionLeft:
// icon = &I_tank_left;
// break;
// default:
// icon = &I_tank_explosion;
// }
// if (tanks_state->p1->live) {
// canvas_draw_icon(canvas, coordinates.x * CELL_LENGTH_PIXELS, coordinates.y * CELL_LENGTH_PIXELS - 1, icon);
// }
//
// for(int8_t x = 0; x < FIELD_WIDTH; x++) {
// for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
// switch (tanks_state->thisMap[x][y]) {
// case '-':
// canvas_draw_icon(canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_wall);
// break;
//
// case '=':
// canvas_draw_icon(canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_stone);
// break;
//
// case '*':
// canvas_draw_icon(canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_hedgehog);
// break;
//
// case 'a':
// canvas_draw_icon(canvas, x * CELL_LENGTH_PIXELS, y * CELL_LENGTH_PIXELS - 1, &I_tank_base);
// break;
// }
// }
// }
// for (
// uint8_t i = 0;
// i < 6;
// i++
// ) {
// if (tanks_state->bots[i] != NULL) {
// const Icon *icon;
//
// switch(tanks_state->bots[i]->direction) {
// case DirectionUp:
// icon = &I_enemy_up;
// break;
// case DirectionDown:
// icon = &I_enemy_down;
// break;
// case DirectionRight:
// icon = &I_enemy_right;
// break;
// case DirectionLeft:
// icon = &I_enemy_left;
// break;
// default:
// icon = &I_tank_explosion;
// }
//
// canvas_draw_icon(
// canvas,
// tanks_state->bots[i]->coordinates.x * CELL_LENGTH_PIXELS,
// tanks_state->bots[i]->coordinates.y * CELL_LENGTH_PIXELS - 1,
// icon);
// }
// }
// for(int8_t x = 0; x < 100; x++) {
// if (tanks_state->projectiles[x] != NULL) {
// ProjectileState *projectile = tanks_state->projectiles[x];
//
// if (projectile->explosion) {
// canvas_draw_icon(
// canvas,
// projectile->coordinates.x * CELL_LENGTH_PIXELS,
// projectile->coordinates.y * CELL_LENGTH_PIXELS - 1,
// &I_tank_explosion);
// continue;
// }
//
// const Icon *icon;
//
// switch(projectile->direction) {
// case DirectionUp:
// icon = &I_projectile_up;
// break;
// case DirectionDown:
// icon = &I_projectile_down;
// break;
// case DirectionRight:
// icon = &I_projectile_right;
// break;
// case DirectionLeft:
// icon = &I_projectile_left;
// break;
// default:
// icon = &I_tank_explosion;
// }
//
// canvas_draw_icon(
// canvas,
// projectile->coordinates.x * CELL_LENGTH_PIXELS,
// projectile->coordinates.y * CELL_LENGTH_PIXELS - 1,
// icon);
// }
// }
// Info
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontSecondary);
char buffer1[13];
snprintf(buffer1, sizeof(buffer1), "live: %u", tanks_state->enemies_live);
canvas_draw_str_aligned(canvas, 127, 8, AlignRight, AlignBottom, buffer1);
snprintf(buffer1, sizeof(buffer1), "left: %u", tanks_state->enemies_left);
canvas_draw_str_aligned(canvas, 127, 18, AlignRight, AlignBottom, buffer1);
snprintf(buffer1, sizeof(buffer1), "p1 l: %u", tanks_state->p1->lives);
canvas_draw_str_aligned(canvas, 127, 28, AlignRight, AlignBottom, buffer1);
snprintf(buffer1, sizeof(buffer1), "p1 s: %u", tanks_state->p1->score);
canvas_draw_str_aligned(canvas, 127, 38, AlignRight, AlignBottom, buffer1);
if(tanks_state->state == GameStateCooperativeServer && tanks_state->p2) {
snprintf(buffer1, sizeof(buffer1), "rec: %u", tanks_state->received);
canvas_draw_str_aligned(canvas, 127, 48, AlignRight, AlignBottom, buffer1);
snprintf(buffer1, sizeof(buffer1), "snt: %u", tanks_state->sent);
canvas_draw_str_aligned(canvas, 127, 58, AlignRight, AlignBottom, buffer1);
// snprintf(buffer1, sizeof(buffer1), "p2 l: %u", tanks_state->p2->lives);
// canvas_draw_str_aligned(canvas, 127, 48, AlignRight, AlignBottom, buffer1);
//
// snprintf(buffer1, sizeof(buffer1), "p2 s: %u", tanks_state->p2->score);
// canvas_draw_str_aligned(canvas, 127, 58, AlignRight, AlignBottom, buffer1);
}
if(tanks_state->state == GameStateCooperativeClient) {
snprintf(buffer1, sizeof(buffer1), "rec: %u", tanks_state->received);
canvas_draw_str_aligned(canvas, 127, 48, AlignRight, AlignBottom, buffer1);
}
// Game Over banner
if(tanks_state->state == GameStateGameOver) {
canvas_set_color(canvas, ColorWhite);
canvas_draw_box(canvas, 34, 20, 62, 24);
canvas_set_color(canvas, ColorBlack);
canvas_draw_frame(canvas, 34, 20, 62, 24);
canvas_set_font(canvas, FontPrimary);
if(tanks_state->enemies_left == 0 && tanks_state->enemies_live == 0) {
canvas_draw_str(canvas, 37, 31, "You win!");
} else {
canvas_draw_str(canvas, 37, 31, "Game Over");
}
canvas_set_font(canvas, FontSecondary);
char buffer[13];
snprintf(buffer, sizeof(buffer), "Score: %u", tanks_state->p1->score);
canvas_draw_str_aligned(canvas, 64, 41, AlignCenter, AlignBottom, buffer);
}
// TEST start
unsigned char* data = tanks_game_serialize(tanks_state);
tanks_game_deserialize_and_render(data, canvas);
// TEST enf
release_mutex((ValueMutex*)ctx, tanks_state);
}
static void tanks_game_input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
furi_assert(event_queue);
TanksEvent event = {.type = EventTypeKey, .input = *input_event};
furi_message_queue_put(event_queue, &event, FuriWaitForever);
}
static void tanks_game_update_timer_callback(FuriMessageQueue* event_queue) {
furi_assert(event_queue);
TanksEvent event = {.type = EventTypeTick};
furi_message_queue_put(event_queue, &event, 0);
}
static bool tanks_get_cell_is_free(TanksState* const tanks_state, Point point) {
// Tiles
if(tanks_state->thisMap[point.x][point.y] != ' ') {
return false;
}
// Projectiles
for(int8_t x = 0; x < 100; x++) {
if(tanks_state->projectiles[x] != NULL) {
if(tanks_state->projectiles[x]->coordinates.x == point.x &&
tanks_state->projectiles[x]->coordinates.y == point.y) {
return false;
}
}
}
// Player 1
if(tanks_state->p1 != NULL) {
if(tanks_state->p1->coordinates.x == point.x &&
tanks_state->p1->coordinates.y == point.y) {
return false;
}
}
// Player 2
if(tanks_state->p2 != NULL) {
if(tanks_state->p2->coordinates.x == point.x &&
tanks_state->p2->coordinates.y == point.y) {
return false;
}
}
// Bots
for(int8_t x = 0; x < 6; x++) {
if(tanks_state->bots[x] != NULL) {
if(tanks_state->bots[x]->coordinates.x == point.x &&
tanks_state->bots[x]->coordinates.y == point.y) {
return false;
}
}
}
return true;
}
static uint8_t tanks_get_random_free_respawn_point_index(
TanksState* const tanks_state,
Point respawn_points[3]) {
uint8_t first = rand() % 3;
int8_t add = rand() % 2 ? +1 : -1;
int8_t second = first + add;
uint8_t third;
if(second == 4) {
second = 0;
} else if(second == -1) {
second = 3;
}
for(uint8_t i = 0; i < 3; i++) {
if(i != first && i != second) {
third = i;
}
}
if(tanks_get_cell_is_free(tanks_state, respawn_points[first])) {
return first;
}
if(tanks_get_cell_is_free(tanks_state, respawn_points[second])) {
return second;
}
if(tanks_get_cell_is_free(tanks_state, respawn_points[third])) {
return third;
}
return -1;
}
static void tanks_game_init_game(TanksState* const tanks_state, GameState type) {
srand(DWT->CYCCNT);
tanks_state->state = type;
for(int8_t x = 0; x < 100; x++) {
if(tanks_state->projectiles[x] != NULL) {
free(tanks_state->projectiles[x]);
tanks_state->projectiles[x] = NULL;
}
}
int8_t team_one_respawn_points_counter = 0;
int8_t team_two_respawn_points_counter = 0;
for(int8_t x = 0; x < FIELD_WIDTH; x++) {
for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
tanks_state->thisMap[x][y] = ' ';
if(thisMap[y][x] == '1') {
Point respawn = {x, y};
tanks_state->team_one_respawn_points[team_one_respawn_points_counter++] = respawn;
}
if(thisMap[y][x] == '2') {
Point respawn = {x, y};
tanks_state->team_two_respawn_points[team_two_respawn_points_counter++] = respawn;
}
if(thisMap[y][x] == '-') {
tanks_state->thisMap[x][y] = '-';
}
if(thisMap[y][x] == '=') {
tanks_state->thisMap[x][y] = '=';
}
if(thisMap[y][x] == '*') {
tanks_state->thisMap[x][y] = '*';
}
if(thisMap[y][x] == 'a') {
tanks_state->thisMap[x][y] = 'a';
}
}
}
uint8_t index1 = tanks_get_random_free_respawn_point_index(
tanks_state, tanks_state->team_one_respawn_points);
Point c = {
tanks_state->team_one_respawn_points[index1].x,
tanks_state->team_one_respawn_points[index1].y};
PlayerState p1 = {
c,
0,
4,
DirectionRight,
0,
0,
1,
SHOT_COOLDOWN,
PLAYER_RESPAWN_COOLDOWN,
};
PlayerState* p1_state = malloc(sizeof(PlayerState));
*p1_state = p1;
tanks_state->p1 = p1_state;
if(type == GameStateCooperativeServer) {
int8_t index2 = tanks_get_random_free_respawn_point_index(
tanks_state, tanks_state->team_one_respawn_points);
Point c = {
tanks_state->team_one_respawn_points[index2].x,
tanks_state->team_one_respawn_points[index2].y};
PlayerState p2 = {
c,
0,
4,
DirectionRight,
0,
0,
1,
SHOT_COOLDOWN,
PLAYER_RESPAWN_COOLDOWN,
};
PlayerState* p2_state = malloc(sizeof(PlayerState));
*p2_state = p2;
tanks_state->p2 = p2_state;
}
tanks_state->enemies_left = 5;
tanks_state->enemies_live = 0;
tanks_state->enemies_respawn_cooldown = RESPAWN_COOLDOWN;
tanks_state->received = 0;
tanks_state->sent = 0;
if(type == GameStateCooperativeClient) {
for(int8_t x = 0; x < FIELD_WIDTH; x++) {
for(int8_t y = 0; y < FIELD_HEIGHT; y++) {
tanks_state->thisMap[x][y] = CellEmpty;
}
}
}
}
static bool
tanks_game_collision(Point const next_step, bool shoot, TanksState const* const tanks_state) {
if((int8_t)next_step.x < 0 || (int8_t)next_step.y < 0) {
return true;
}
if(next_step.x >= FIELD_WIDTH || next_step.y >= FIELD_HEIGHT) {
return true;
}
char tile = tanks_state->thisMap[next_step.x][next_step.y];
if(tile == '*' && !shoot) {
return true;
}
if(tile == '-' || tile == '=' || tile == 'a') {
return true;
}
for(uint8_t i = 0; i < 6; i++) {
if(tanks_state->bots[i] != NULL) {
if(tanks_state->bots[i]->coordinates.x == next_step.x &&
tanks_state->bots[i]->coordinates.y == next_step.y) {
return true;
}
}
}
if(tanks_state->p1 != NULL && tanks_state->p1->live &&
tanks_state->p1->coordinates.x == next_step.x &&
tanks_state->p1->coordinates.y == next_step.y) {
return true;
}
if(tanks_state->p2 != NULL && tanks_state->p2->live &&
tanks_state->p2->coordinates.x == next_step.x &&
tanks_state->p2->coordinates.y == next_step.y) {
return true;
}
return false;
}
static Point tanks_game_get_next_step(Point coordinates, Direction direction) {
Point next_step = {coordinates.x, coordinates.y};
switch(direction) {
// +-----x
// |
// |
// y
case DirectionUp:
next_step.y--;
break;
case DirectionRight:
next_step.x++;
break;
case DirectionDown:
next_step.y++;
break;
case DirectionLeft:
next_step.x--;
break;
default:
break;
}
return next_step;
}
static uint8_t tanks_game_get_free_projectile_index(TanksState* const tanks_state) {
uint8_t freeProjectileIndex;
for(freeProjectileIndex = 0; freeProjectileIndex < 100; freeProjectileIndex++) {
if(tanks_state->projectiles[freeProjectileIndex] == NULL) {
return freeProjectileIndex;
}
}
return 0;
}
static void tanks_game_shoot(
TanksState* const tanks_state,
PlayerState* tank_state,
bool is_p1,
bool is_p2) {
tank_state->cooldown = SHOT_COOLDOWN;
uint8_t freeProjectileIndex = tanks_game_get_free_projectile_index(tanks_state);
ProjectileState* projectile_state = malloc(sizeof(ProjectileState));
Point next_step = tanks_game_get_next_step(tank_state->coordinates, tank_state->direction);
projectile_state->direction = tank_state->direction;
projectile_state->coordinates = next_step;
projectile_state->is_p1 = is_p1;
projectile_state->is_p2 = is_p2;
bool crush = tanks_game_collision(projectile_state->coordinates, true, tanks_state);
projectile_state->explosion = crush;
tanks_state->projectiles[freeProjectileIndex] = projectile_state;
}
static void tanks_game_process_game_step(TanksState* const tanks_state) {
if(tanks_state->state == GameStateMenu) {
return;
}
if(tanks_state->enemies_left == 0 && tanks_state->enemies_live == 0) {
tanks_state->state = GameStateGameOver;
}
if(!tanks_state->p1->live && tanks_state->p1->lives == 0) {
tanks_state->state = GameStateGameOver;
}
if(tanks_state->state == GameStateGameOver) {
return;
}
if(tanks_state->p1 != NULL) {
if(!tanks_state->p1->live && tanks_state->p1->respawn_cooldown > 0) {
tanks_state->p1->respawn_cooldown--;
}
}
// Player 1 spawn
if(tanks_state->p1 && !tanks_state->p1->live && tanks_state->p1->lives > 0) {
int8_t index = tanks_get_random_free_respawn_point_index(
tanks_state, tanks_state->team_one_respawn_points);
if(index != -1) {
Point point = tanks_state->team_one_respawn_points[index];
Point c = {point.x, point.y};
tanks_state->p1->coordinates = c;
tanks_state->p1->live = true;
tanks_state->p1->direction = DirectionRight;
tanks_state->p1->cooldown = SHOT_COOLDOWN;
tanks_state->p1->respawn_cooldown = SHOT_COOLDOWN;
}
}
// Player 2 spawn
if(tanks_state->state == GameStateCooperativeServer && tanks_state->p2 &&
!tanks_state->p2->live && tanks_state->p2->lives > 0) {
int8_t index = tanks_get_random_free_respawn_point_index(
tanks_state, tanks_state->team_one_respawn_points);
if(index != -1) {
Point point = tanks_state->team_one_respawn_points[index];
Point c = {point.x, point.y};
tanks_state->p2->coordinates = c;
tanks_state->p2->live = true;
tanks_state->p2->direction = DirectionRight;
tanks_state->p2->cooldown = SHOT_COOLDOWN;
tanks_state->p2->respawn_cooldown = SHOT_COOLDOWN;
}
}
// Bot turn
for(uint8_t i = 0; i < 6; i++) {
if(tanks_state->bots[i] != NULL) {
PlayerState* bot = tanks_state->bots[i];
if(bot->cooldown) {
bot->cooldown--;
}
// Rotate
if(rand() % 3 == 0) {
bot->direction = (rand() % 4);
}
// Move
if(rand() % 2 == 0) {
Point next_step = tanks_game_get_next_step(bot->coordinates, bot->direction);
bool crush = tanks_game_collision(next_step, false, tanks_state);
if(!crush) {
bot->coordinates = next_step;
}
}
// Shoot
if(bot->cooldown == 0 && rand() % 3 != 0) {
tanks_game_shoot(tanks_state, bot, false, false);
}
}
}
// Bot spawn
if(tanks_state->enemies_respawn_cooldown) {
tanks_state->enemies_respawn_cooldown--;
}
if(tanks_state->enemies_left > 0 && tanks_state->enemies_live <= 4 &&
tanks_state->enemies_respawn_cooldown == 0) {
int8_t index = tanks_get_random_free_respawn_point_index(
tanks_state, tanks_state->team_two_respawn_points);
if(index != -1) {
tanks_state->enemies_left--;
tanks_state->enemies_live++;
tanks_state->enemies_respawn_cooldown = RESPAWN_COOLDOWN;
Point point = tanks_state->team_two_respawn_points[index];
Point c = {point.x, point.y};
PlayerState bot = {
c,
0,
0,
DirectionLeft,
0,
0,
1,
SHOT_COOLDOWN,
PLAYER_RESPAWN_COOLDOWN,
};
uint8_t freeEnemyIndex;
for(freeEnemyIndex = 0; freeEnemyIndex < 6; freeEnemyIndex++) {
if(tanks_state->bots[freeEnemyIndex] == NULL) {
break;
}
}
PlayerState* bot_state = malloc(sizeof(PlayerState));
*bot_state = bot;
tanks_state->bots[freeEnemyIndex] = bot_state;
}
}
if(tanks_state->p1 != NULL && tanks_state->p1->live && tanks_state->p1->moving) {
Point next_step =
tanks_game_get_next_step(tanks_state->p1->coordinates, tanks_state->p1->direction);
bool crush = tanks_game_collision(next_step, false, tanks_state);
if(!crush) {
tanks_state->p1->coordinates = next_step;
}
}
// Player 2 spawn
if(tanks_state->state == GameStateCooperativeServer && tanks_state->p2 &&
tanks_state->p2->live && tanks_state->p2->moving) {
Point next_step =
tanks_game_get_next_step(tanks_state->p2->coordinates, tanks_state->p2->direction);
bool crush = tanks_game_collision(next_step, false, tanks_state);
if(!crush) {
tanks_state->p2->coordinates = next_step;
}
}
for(int8_t x = 0; x < 100; x++) {
if(tanks_state->projectiles[x] != NULL) {
ProjectileState* projectile = tanks_state->projectiles[x];
Point c = projectile->coordinates;
if(projectile->explosion) {
// Break a wall
if(tanks_state->thisMap[c.x][c.y] == '-') {
tanks_state->thisMap[c.x][c.y] = ' ';
}
// Kill a bot
for(uint8_t i = 0; i < 6; i++) {
if(tanks_state->bots[i] != NULL) {
if(tanks_state->bots[i]->coordinates.x == c.x &&
tanks_state->bots[i]->coordinates.y == c.y) {
if(projectile->is_p1) {
tanks_state->p1->score++;
}
if(projectile->is_p2) {
tanks_state->p2->score++;
}
// No friendly fire
if(projectile->is_p1 || projectile->is_p2) {
tanks_state->enemies_live--;
free(tanks_state->bots[i]);
tanks_state->bots[i] = NULL;
}
}
}
}
// Destroy the flag
if(tanks_state->thisMap[c.x][c.y] == 'a') {
tanks_state->state = GameStateGameOver;
return;
}
// Kill a player 1
if(tanks_state->p1 != NULL) {
if(tanks_state->p1->live && tanks_state->p1->coordinates.x == c.x &&
tanks_state->p1->coordinates.y == c.y) {
tanks_state->p1->live = false;
tanks_state->p1->lives--;
tanks_state->p1->respawn_cooldown = PLAYER_RESPAWN_COOLDOWN;
}
}
// Kill a player 2
if(tanks_state->p2 != NULL) {
if(tanks_state->p2->live && tanks_state->p2->coordinates.x == c.x &&
tanks_state->p2->coordinates.y == c.y) {
tanks_state->p2->live = false;
tanks_state->p2->lives--;
tanks_state->p2->respawn_cooldown = PLAYER_RESPAWN_COOLDOWN;
}
}
// Delete projectile
free(tanks_state->projectiles[x]);
tanks_state->projectiles[x] = NULL;
continue;
}
Point next_step =
tanks_game_get_next_step(projectile->coordinates, projectile->direction);
bool crush = tanks_game_collision(next_step, true, tanks_state);
projectile->coordinates = next_step;
if(crush) {
projectile->explosion = true;
}
}
}
if(tanks_state->p1->cooldown > 0) {
tanks_state->p1->cooldown--;
}
if(tanks_state->p2 != NULL && tanks_state->p2->cooldown > 0) {
tanks_state->p2->cooldown--;
}
if(tanks_state->p1 != NULL && tanks_state->p1->live && tanks_state->p1->shooting &&
tanks_state->p1->cooldown == 0) {
tanks_game_shoot(tanks_state, tanks_state->p1, true, false);
}
tanks_state->p1->moving = false;
tanks_state->p1->shooting = false;
if(tanks_state->p2 != NULL) {
tanks_state->p2->moving = false;
tanks_state->p2->shooting = false;
}
}
int32_t tanks_game_app(void* p) {
UNUSED(p);
srand(DWT->CYCCNT);
FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(TanksEvent));
TanksState* tanks_state = malloc(sizeof(TanksState));
tanks_state->state = GameStateMenu;
tanks_state->menu_state = MenuStateSingleMode;
ValueMutex state_mutex;
if(!init_mutex(&state_mutex, tanks_state, sizeof(TanksState))) {
FURI_LOG_E("Tanks", "cannot create mutex\r\n");
furi_message_queue_free(event_queue);
free(tanks_state);
return 255;
}
ViewPort* view_port = view_port_alloc();
view_port_draw_callback_set(view_port, tanks_game_render_callback, &state_mutex);
view_port_input_callback_set(view_port, tanks_game_input_callback, event_queue);
FuriTimer* timer =
furi_timer_alloc(tanks_game_update_timer_callback, FuriTimerTypePeriodic, event_queue);
furi_timer_start(timer, furi_kernel_get_tick_frequency() / 4);
// Open GUI and register view_port
Gui* gui = furi_record_open(RECORD_GUI);
gui_add_view_port(gui, view_port, GuiLayerFullscreen);
TanksEvent event;
// Initialize network thing.
uint32_t frequency = 433920000;
size_t message_max_len = 180;
uint8_t incomingMessage[180] = {0};
SubGhzTxRxWorker* subghz_txrx = subghz_tx_rx_worker_alloc();
subghz_tx_rx_worker_start(subghz_txrx, frequency);
furi_hal_power_suppress_charge_enter();
for(bool processing = true; processing;) {
FuriStatus event_status = furi_message_queue_get(event_queue, &event, 100);
TanksState* tanks_state = (TanksState*)acquire_mutex_block(&state_mutex);
if(event_status == FuriStatusOk) {
// press events
if(event.type == EventTypeKey) {
if(event.input.type == InputTypePress) {
switch(event.input.key) {
case InputKeyUp:
if(tanks_state->state == GameStateMenu) {
if(tanks_state->menu_state == MenuStateCooperativeServerMode) {
tanks_state->menu_state = MenuStateSingleMode;
} else if(tanks_state->menu_state == MenuStateCooperativeClientMode) {
tanks_state->menu_state = MenuStateCooperativeServerMode;
}
} else if(tanks_state->state == GameStateCooperativeClient) {
FuriString* goesUp = NULL;
char arr[2];
arr[0] = GoesUp;
arr[1] = 0;
furi_string_set(goesUp, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(goesUp),
strlen(furi_string_get_cstr(goesUp)));
} else {
tanks_state->p1->moving = true;
tanks_state->p1->direction = DirectionUp;
}
break;
case InputKeyDown:
if(tanks_state->state == GameStateMenu) {
if(tanks_state->menu_state == MenuStateSingleMode) {
tanks_state->menu_state = MenuStateCooperativeServerMode;
} else if(tanks_state->menu_state == MenuStateCooperativeServerMode) {
tanks_state->menu_state = MenuStateCooperativeClientMode;
}
} else if(tanks_state->state == GameStateCooperativeClient) {
FuriString* goesDown = NULL;
char arr[2];
arr[0] = GoesDown;
arr[1] = 0;
furi_string_set(goesDown, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(goesDown),
strlen(furi_string_get_cstr(goesDown)));
} else {
tanks_state->p1->moving = true;
tanks_state->p1->direction = DirectionDown;
}
break;
case InputKeyRight:
if(tanks_state->state == GameStateCooperativeClient) {
FuriString* goesRight = NULL;
char arr[2];
arr[0] = GoesRight;
arr[1] = 0;
furi_string_set(goesRight, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(goesRight),
strlen(furi_string_get_cstr(goesRight)));
} else {
tanks_state->p1->moving = true;
tanks_state->p1->direction = DirectionRight;
}
break;
case InputKeyLeft:
if(tanks_state->state == GameStateCooperativeClient) {
FuriString* goesLeft = NULL;
char arr[2];
arr[0] = GoesLeft;
arr[1] = 0;
furi_string_set(goesLeft, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(goesLeft),
strlen(furi_string_get_cstr(goesLeft)));
} else {
tanks_state->p1->moving = true;
tanks_state->p1->direction = DirectionLeft;
}
break;
case InputKeyOk:
if(tanks_state->state == GameStateMenu) {
if(tanks_state->menu_state == MenuStateSingleMode) {
tanks_state->server = true;
tanks_game_init_game(tanks_state, GameStateSingle);
break;
} else if(tanks_state->menu_state == MenuStateCooperativeServerMode) {
tanks_state->server = true;
tanks_game_init_game(tanks_state, GameStateCooperativeServer);
break;
} else if(tanks_state->menu_state == MenuStateCooperativeClientMode) {
tanks_state->server = false;
tanks_game_init_game(tanks_state, GameStateCooperativeClient);
break;
}
} else if(tanks_state->state == GameStateGameOver) {
tanks_game_init_game(tanks_state, tanks_state->state);
} else if(tanks_state->state == GameStateCooperativeClient) {
FuriString* shoots = NULL;
char arr[2];
arr[0] = Shoots;
arr[1] = 0;
furi_string_set(shoots, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(shoots),
strlen(furi_string_get_cstr(shoots)));
} else {
tanks_state->p1->shooting = true;
}
break;
case InputKeyBack:
processing = false;
break;
default:
break;
}
}
} else if(event.type == EventTypeTick) {
if(tanks_state->state == GameStateCooperativeServer) {
if(subghz_tx_rx_worker_available(subghz_txrx)) {
memset(incomingMessage, 0x00, message_max_len);
subghz_tx_rx_worker_read(subghz_txrx, incomingMessage, message_max_len);
if(incomingMessage != NULL) {
tanks_state->received++;
switch(incomingMessage[0]) {
case GoesUp:
tanks_state->p2->moving = true;
tanks_state->p2->direction = DirectionUp;
break;
case GoesRight:
tanks_state->p2->moving = true;
tanks_state->p2->direction = DirectionRight;
break;
case GoesDown:
tanks_state->p2->moving = true;
tanks_state->p2->direction = DirectionDown;
break;
case GoesLeft:
tanks_state->p2->moving = true;
tanks_state->p2->direction = DirectionLeft;
break;
case Shoots:
tanks_state->p2->shooting = true;
break;
default:
break;
}
}
}
tanks_game_process_game_step(tanks_state);
FuriString* serializedData = NULL;
unsigned char* data = tanks_game_serialize(tanks_state);
char arr[11 * 16 + 1];
for(uint8_t i = 0; i < 11 * 16; i++) {
arr[i] = data[i];
}
arr[11 * 16] = 0;
furi_string_set(serializedData, (char*)&arr);
subghz_tx_rx_worker_write(
subghz_txrx,
(uint8_t*)furi_string_get_cstr(serializedData),
strlen(furi_string_get_cstr(serializedData)));
tanks_state->sent++;
} else if(tanks_state->state == GameStateSingle) {
tanks_game_process_game_step(tanks_state);
} else if(tanks_state->state == GameStateCooperativeClient) {
if(subghz_tx_rx_worker_available(subghz_txrx)) {
memset(incomingMessage, 0x00, message_max_len);
subghz_tx_rx_worker_read(subghz_txrx, incomingMessage, message_max_len);
tanks_state->received++;
tanks_game_deserialize_and_write_to_state(
(unsigned char*)incomingMessage, tanks_state);
}
}
}
} else {
// event timeout
}
view_port_update(view_port);
release_mutex(&state_mutex, tanks_state);
furi_delay_ms(1);
}
furi_delay_ms(10);
furi_hal_power_suppress_charge_exit();
if(subghz_tx_rx_worker_is_running(subghz_txrx)) {
subghz_tx_rx_worker_stop(subghz_txrx);
subghz_tx_rx_worker_free(subghz_txrx);
}
furi_timer_free(timer);
view_port_enabled_set(view_port, false);
gui_remove_view_port(gui, view_port);
furi_record_close(RECORD_GUI);
view_port_free(view_port);
furi_message_queue_free(event_queue);
delete_mutex(&state_mutex);
if(tanks_state->p1 != NULL) {
free(tanks_state->p1);
}
if(tanks_state->p2 != NULL) {
free(tanks_state->p2);
}
free(tanks_state);
return 0;
}
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