thepigeongenerator/tetris_clone
1
0
Fork 0
mirror of https://github.com/thepigeongenerator/tetris_clone.git synced 2025-12-17 14:05:45 +01:00
Code Issues Packages Projects Releases Wiki Activity

make a start on the logic

Browse Source
This commit is contained in:
Quinn
2024-12-03 12:05:35 +01:00
parent 8bdf6bf2d2
commit c594c94428
5 changed files with 63 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/game/game.c
View File

@@ -3,9 +3,20 @@
#include "../main.h"
static void add_shape(const Shape shape, Uint16* row) {
for (int i = 0; i < 4; i++) {
Uint8 rowData = (shape >> (4 * i)) & 0x0F;
if (rowData != 0)
row[4 - i] |= rowData;
}
}
// called every time the game's state is updated
void game_update(GameData game_data, const Uint8* keys) {
void game_update(GameData* game_data, const Uint8* keys) {
if (keys[SDL_SCANCODE_ESCAPE]) {
stop();
}
add_shape(TETROMINO_I, &game_data->row[4]);
}

27
src/game/game.h
View File

@@ -1,9 +1,34 @@
#pragma once
#include <SDL2/SDL.h>
typedef Uint16 Shape;
// 0 1 2 3
#define TETROMINO_I ((Shape)0b1000100010001000) // 1000 1000 1000 1000 the I tetromino with no rotation
#define TETROMINO_I_90 ((Shape)0b0000000000001111) // 0000 0000 0000 1111 the I tetromino with a no rotation
#define TETROMINO_O ((Shape)0b1100110000000000) // 1100 1100 0000 0000 the O tetromino with no rotation
#define TETROMINO_T ((Shape)0b1110010000000000) // 1110 0100 0000 0000 the T tetromino with no rotation
#define TETROMINO_T_90 ((Shape)0b1100110010000000) // 1100 1100 1000 0000 the T tetromino with a no rotation
#define TETROMINO_T_180 ((Shape)0b0100111000000000) // 0100 1110 0000 0000 the T tetromino with a 180° rotation
#define TETROMINO_T_270 ((Shape)0b0010011000100000) // 0010 0110 0010 0000 the T tetromino with a 270° rotation
#define TETROMINO_L ((Shape)0b1000100011000000) // 1000 1000 1100 0000 the L tetromino with no rotation
#define TETROMINO_L_90 ((Shape)0b1110100000000000) // 1110 1000 0000 0000 the L tetromino with a no rotation
#define TETROMINO_L_180 ((Shape)0b1100010001000000) // 1100 0100 0100 0000 the L tetromino with a 180° rotation
#define TETROMINO_L_270 ((Shape)0b0000001011100000) // 0000 0010 1110 0000 the L tetromino with a 270° rotation
#define TETROMINO_J ((Shape)0b0100010011000000) // 0100 0100 1100 0000 the J tetromino with no rotation
#define TETROMINO_J_90 ((Shape)0b1000111000000000) // 1000 1110 0000 0000 the J tetromino with a no rotation
#define TETROMINO_J_180 ((Shape)0b1100100010000000) // 1100 1000 1000 0000 the J tetromino with a 180° rotation
#define TETROMINO_J_270 ((Shape)0b1110001000000000) // 1110 0010 0000 0000 the J tetromino with a 270° rotation
#define TETROMINO_S ((Shape)0b0110110000000000) // 0110 1100 0000 0000 the S tetromino with no rotation
#define TETROMINO_S_90 ((Shape)0b1000110001000000) // 1000 1100 0100 0000 the S tetromino with a no rotation
#define TETROMINO_Z ((Shape)0b1100011000000000) // 1100 0110 0000 0000 the Z tetromino with no rotation
#define TETROMINO_Z_90 ((Shape)0b0100110010000000) // 0100 1100 1000 0000 the Z tetromino with a no rotation
// stores the data used in the game
#define ROWS 32
typedef struct {
Uint16 row[ROWS];
} GameData;
// updates the game's state
void game_update(GameData game_data, const Uint8* keys);
void game_update(GameData* game_data, const Uint8* keys);