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fen_strings #1

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djweber12 merged 6 commits from fen_strings into master 2024-10-04 21:42:35 -04:00
Conversation 0 Commits 6 Files Changed 17 +161 -42
8 changed files with 161 additions and 42 deletions
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111
src/game_logic/fen_strings.c Normal file
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@ -0,0 +1,111 @@
#include "fen_strings.h"
#include "game_state.h"
#include "string.h"
#include "assert.h"
char fen_string[200];
int fen_idx = 0;
static void fen_append(char val)
{
assert(fen_idx < (int)sizeof(fen_string));
fen_string[fen_idx] = val;
fen_idx++;
}
char * fen_string_get_state(void)
{
memset(fen_string, (int)' ', sizeof(fen_string));
fen_idx = 0;
Game_State_t * state = Board_get_game_state();
for (int row = 0; row < 8; row++)
{
int consec_empty = 0;
for (int column = 0; column < 8; column++)
{
if((state->board_pieces[row * 8 + column] == SQUARE_EMPTY))
{
consec_empty++;
if (column == 7) {
fen_append((char)('0' + consec_empty));
}
}
else
{
char ret_val;
if (consec_empty != 0)
{
fen_append((char)('0' + consec_empty));
consec_empty = 0;
}
switch (state->board_pieces[row * 8 + column])
{
case PAWN_WHITE:
fen_append('P');
break;
case PAWN_BLACK:
fen_append('p');
break;
case KING_WHITE:
fen_append('K');
break;
case KING_BLACK:
fen_append('k');
break;
case ROOK_WHITE:
fen_append('R');
break;
case ROOK_BLACK:
fen_append('r');
break;
case KNIGHT_WHITE:
fen_append('N');
break;
case KNIGHT_BLACK:
fen_append('n');
break;
case BISHOP_WHITE:
fen_append('B');
break;
case BISHOP_BLACK:
fen_append('b');
break;
case QUEEN_WHITE:
fen_append('Q');
break;
case QUEEN_BLACK:
fen_append('q');
break;
}
}
}
fen_append('/');
}
fen_append(' ');
if (state->player_turn) {
fen_append('w');
}
else{
fen_append('b');
}
fen_append(' ');
char options[2][2] = {{'K', 'Q'}, {'k', 'q'}};
bool castle = true;
for(int color = 0; color < 2; color++){
for(int k_q = 0; k_q < 2; k_q++){
if(state->castling_allowed[color][k_q])
{
castle = false;
fen_append(options[color][k_q]);
}
}
}
if (!castle) {
fen_append('-');
}
fen_append(' ');
fen_append('\0');
return fen_string;
}

10
src/game_logic/fen_strings.h Normal file
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@ -0,0 +1,10 @@
#ifdef __cplusplus
extern "C" {
#endif
char * fen_string_get_state(void);
void fen_string_set_state(void);
#ifdef __cplusplus
}
#endif

4
src/game_logic/game_state.c
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@ -327,9 +327,9 @@ void game_state_init(void)
}
}
Game_State_t Board_get_game_state(void)
Game_State_t * Board_get_game_state(void)
{
return Game_State;
return &Game_State;
}

3
src/game_logic/game_state.h
View File

@ -59,8 +59,7 @@ void game_state_init(void);
void Board_Changed(uint8_t current_binary_board[8]);
bool Set_Light(uint8_t piece, uint8_t row, uint8_t column, uint8_t state);
void clear_board_state(void);
void Board_get_lights_and_state(uint8_t * board_lights, uint8_t * board_state);
Game_State_t Board_get_game_state(void);
Game_State_t * Board_get_game_state(void);
#ifdef __cplusplus
}

18
src/game_logic/piece_logic/king.c
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@ -1,4 +1,5 @@
#include "king.h"
#include "game_state.h"
#include "piece_logic.h"
static uint8_t King_Locations[2u][2u] = {{7,4}, {0,4}};
@ -32,6 +33,7 @@ bool Check_If_Move_Caused_Check(uint8_t piece, uint8_t row, uint8_t column, Game
void Check_If_Moving_King(uint8_t row, uint8_t column, Game_State_t * game_state)
{
uint8_t white_black_idx = game_state->player_turn ? 0u : 1u;
uint8_t inverse_idx = game_state->player_turn ? 1u : 0u;
if((game_state->selected_peice == KING_WHITE) || (game_state->selected_peice == KING_BLACK))
{
King_Locations[white_black_idx][0u] = row;
@ -40,17 +42,13 @@ void Check_If_Moving_King(uint8_t row, uint8_t column, Game_State_t * game_state
game_state->castling_allowed[white_black_idx][1u] = false;
}
// Disable the castling of the corresponding side if the rook is being moved.
else if (((game_state->selected_peice == ROOK_WHITE) && (row == 7u))
|| ((game_state->selected_peice == ROOK_BLACK) && (row == 0u)))
if (game_state->board_pieces[inverse_idx*7*8+7] == SQUARE_EMPTY)
{
if (column == 0u)
{
game_state->castling_allowed[white_black_idx][0u] = false;
}
else if (column == 7u)
{
game_state->castling_allowed[white_black_idx][1u] = false;
}
game_state->castling_allowed[white_black_idx][0u] = false;
}
if (game_state->board_pieces[inverse_idx*8*7+0] == SQUARE_EMPTY)
{
game_state->castling_allowed[white_black_idx][1u] = false;
}
}

4
src/game_logic/piece_logic/piece_logic.c
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@ -490,7 +490,7 @@ bool Mark_Potential_Moves(uint8_t piece, uint8_t column, uint8_t row, Game_State
if (square_is_safe(row, column, game_state))
{
// Queen side castle
if(game_state->castling_allowed[white_black_idx][0u] && (game_state->board_pieces[kings_row*8+1u] == SQUARE_EMPTY)
if(game_state->castling_allowed[white_black_idx][1u] && (game_state->board_pieces[kings_row*8+1u] == SQUARE_EMPTY)
&& (game_state->board_pieces[kings_row*8+2u] == SQUARE_EMPTY) && (game_state->board_pieces[kings_row*8+3u]) == SQUARE_EMPTY)
{
//First Check to see if the king will pass through check
@ -503,7 +503,7 @@ bool Mark_Potential_Moves(uint8_t piece, uint8_t column, uint8_t row, Game_State
}
// King side castle
if (game_state->castling_allowed[white_black_idx][1u] && (game_state->board_pieces[kings_row*8+5u] == SQUARE_EMPTY) && (game_state->board_pieces[kings_row*8+6u] == SQUARE_EMPTY))
if (game_state->castling_allowed[white_black_idx][0u] && (game_state->board_pieces[kings_row*8+5u] == SQUARE_EMPTY) && (game_state->board_pieces[kings_row*8+6u] == SQUARE_EMPTY))
{
//First Check to see if the king will pass through check
if(square_is_safe(kings_row, 5u, game_state) && square_is_safe(kings_row, 6u, game_state))

4
src/pc_app/game.cpp
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@ -1,3 +1,4 @@
#include <SDL_log.h>
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
@ -7,6 +8,7 @@
#include <SDL2/SDL_video.h>
#include <time.h>
#include "game_state.h"
#include "fen_strings.h"
#include "user_interface_abstraction.h"
static clock_t start_time, end_time;
@ -50,6 +52,8 @@ int begin_game(SDL_Renderer *renderer, SDL_Window *win)
end_time = clock();
clock_t t = end_time - start_time;
char * fen = fen_string_get_state();
SDL_Log(fen);
SDL_Log("No. of clicks %ld clicks (%f seconds) to process the incoming click.\n", t, ((float)t) / CLOCKS_PER_SEC);
}
else

49
src/pc_app/user_interface_abstraction.cpp
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@ -28,10 +28,10 @@ static uint8_t Current_Binary_Board[8] = {0};
* clearly indicating which player won.
*
* @param p_renderer Sdl Renderer
* @param board_state board state
* @param game_state->board_pieces board state
* @param game_state games state
*/
static void ui_draw_end_game(SDL_Renderer *p_renderer, uint8_t * board_state, Game_State_t game_state)
static void ui_draw_end_game(SDL_Renderer *p_renderer, Game_State_t * game_state)
{
SDL_SetRenderTarget(p_renderer, Board_Texture);
SDL_SetRenderDrawColor(p_renderer, 0x7f, 0x7f, 0x7f, 0);
@ -50,8 +50,8 @@ static void ui_draw_end_game(SDL_Renderer *p_renderer, uint8_t * board_state, Ga
Rectangle.h = square_size;
uint8_t white_color[4] = {0xFF, 0xFF, 0x00, 0x00};
uint8_t black_color[4] = {0xFF, 0xFF, 0x00, 0x00};
if (!game_state.error_detected){
if(game_state.player_turn)
if (!game_state->error_detected){
if(game_state->player_turn)
{
white_color[0] = 0x00; white_color[1] = 0xFF; white_color[2] = 0x00; white_color[3] = 0x00;
black_color[0] = 0xFF; black_color[1] = 0x00; black_color[2] = 0x00; black_color[3] = 0x00;
@ -69,10 +69,10 @@ static void ui_draw_end_game(SDL_Renderer *p_renderer, uint8_t * board_state, Ga
Rectangle.x = starting_x;
for (size_t i = 0; i < 8; i++)
{
if((board_state[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
if((game_state->board_pieces[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
{
uint8_t * render_color;
if((board_state[j*8+i] % 2u) == 0u )
if((game_state->board_pieces[j*8+i] % 2u) == 0u )
{
render_color = white_color;
}
@ -83,7 +83,7 @@ static void ui_draw_end_game(SDL_Renderer *p_renderer, uint8_t * board_state, Ga
SDL_SetRenderDrawColor(p_renderer, render_color[0], render_color[1], render_color[2], render_color[3]);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x85, 0x5E, 0x42, 0x00);
SDL_RenderCopy(p_renderer, bitmapTextures[(board_state[j*8+i] & 0x0Fu)], NULL, &Rectangle);
SDL_RenderCopy(p_renderer, bitmapTextures[(game_state->board_pieces[j*8+i] & 0x0Fu)], NULL, &Rectangle);
}
else if (((i % 2) + (j % 2)) == 1)
{
@ -109,7 +109,7 @@ static void ui_draw_end_game(SDL_Renderer *p_renderer, uint8_t * board_state, Ga
* @param *p_renderer pointer to the renderer object:
* @retval None
*/
static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint8_t * board_state)
static void ui_draw_board(SDL_Renderer *p_renderer, Game_State_t * game_state)
{
SDL_SetRenderTarget(p_renderer, Board_Texture);
SDL_SetRenderDrawColor(p_renderer, 0x7f, 0x7f, 0x7f, 0);
@ -131,31 +131,31 @@ static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint
Rectangle.x = starting_x;
for (size_t i = 0; i < 8; i++)
{
if ((board_lights[j*8+i] == POTENTIAL_MOVE) || (board_lights[j*8+i] == POTENTIAL_CASTLE))
if ((game_state->board_state[j*8+i] == POTENTIAL_MOVE) || (game_state->board_state[j*8+i] == POTENTIAL_CASTLE))
{
SDL_SetRenderDrawColor(p_renderer, 0x00, 0xFF, 0x00, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x85, 0x5E, 0x42, 0x00);
}
else if ((board_lights[j*8+i] == POTENTIAL_TAKE) || (board_lights[j*8+i] == PIECE_NEEDS_TO_BE_HERE) || (board_lights[j*8+i] == PIECE_NEEDS_TO_BE_REMOVED))
else if ((game_state->board_state[j*8+i] == POTENTIAL_TAKE) || (game_state->board_state[j*8+i] == PIECE_NEEDS_TO_BE_HERE) || (game_state->board_state[j*8+i] == PIECE_NEEDS_TO_BE_REMOVED))
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0x00, 0x00, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x85, 0x5E, 0x42, 0x00);
}
else if (board_lights[j*8+i] == PIECE_ORIGIN)
else if (game_state->board_state[j*8+i] == PIECE_ORIGIN)
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0x00, 0xFF, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x85, 0x5E, 0x42, 0x00);
}
else if (board_lights[j*8+i] == ERROR_MOVE)
else if (game_state->board_state[j*8+i] == ERROR_MOVE)
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0xFF, 0x00, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x85, 0x5E, 0x42, 0x00);
}
else if (board_lights[j*8+i] == CONVERTING_PAWN)
else if (game_state->board_state[j*8+i] == CONVERTING_PAWN)
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0x3B, 0x7A, 0x57);
SDL_RenderFillRect(p_renderer, &Rectangle);
@ -170,9 +170,9 @@ static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint
/* code */
}
if((board_state[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
if((game_state->board_pieces[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
{
SDL_RenderCopy(p_renderer, bitmapTextures[(board_state[j*8+i] & 0x0Fu)], NULL, &Rectangle);
SDL_RenderCopy(p_renderer, bitmapTextures[(game_state->board_pieces[j*8+i] & 0x0Fu)], NULL, &Rectangle);
}
Rectangle.x += square_size;
@ -191,13 +191,13 @@ static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint
Rectangle.y = starting_y;
for (size_t i = 0; i < 8; i++)
{
if (board_lights[j*8+i] == PIECE_NEEDS_TO_BE_HERE)
if (game_state->board_state[j*8+i] == PIECE_NEEDS_TO_BE_HERE)
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0x00, 0x00, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
SDL_SetRenderDrawColor(p_renderer, 0x6F, 0x6F, 0x6F, 0x00);
}
else if (board_lights[j*8+i] == ERROR_MOVE)
else if (game_state->board_state[j*8+i] == ERROR_MOVE)
{
SDL_SetRenderDrawColor(p_renderer, 0xFF, 0xFF, 0x00, 0x00);
SDL_RenderFillRect(p_renderer, &Rectangle);
@ -210,9 +210,9 @@ static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint
if ((board_state[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
if ((game_state->board_pieces[j*8+i] & 0x0Fu) != SQUARE_EMPTY)
{
SDL_RenderCopy(p_renderer, bitmapTextures[(board_state[j*8+i] & 0x0Fu)], NULL, &Rectangle);
SDL_RenderCopy(p_renderer, bitmapTextures[(game_state->board_pieces[j*8+i] & 0x0Fu)], NULL, &Rectangle);
}
@ -236,17 +236,14 @@ static void ui_draw_board(SDL_Renderer *p_renderer, uint8_t * board_lights, uint
void ui_redraw_board(SDL_Renderer *p_renderer)
{
uint8_t board_lights[8*8];
uint8_t board_state[8*8];
Game_State_t game_state = Board_get_game_state();
Board_get_lights_and_state(board_lights, board_state);
if(game_state.game_over)
Game_State_t * game_state = Board_get_game_state();
if(game_state->game_over)
{
ui_draw_end_game(p_renderer, board_state, game_state);
ui_draw_end_game(p_renderer, game_state);
}
else
{
ui_draw_board(p_renderer, board_lights, board_state);
ui_draw_board(p_renderer, game_state);
}
}