hkzlab/TK2048
1
0
Fork 0
mirror of https://codeberg.org/hkzlab/TK2048.git synced 2025-12-30 14:19:19 +11:00
Code Issues Projects Releases Packages Wiki Activity

Add border animation when moving

Browse source
This commit is contained in:
hkz 2025-07-22 11:53:14 +02:00
commit 8f877d4677
10 changed files with 98 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/game_graphics.c
View file

@ -23,24 +23,20 @@ static uint8_t *back_buf = (uint8_t*)DISPLAY_PAGE_2;
// It is offset on the left side by 7 pixels and on the top by 14
// Every square is 35x35 pixels
void draw_field_borders_on_buffer(uint8_t brd, uint8_t* buf);
void swap_display_buffers(void);
void ddraw_field_borders_on_buffer(uint8_t brd) {
draw_field_borders_on_buffer(brd, front_buf);
}
void draw_game_background(void) {
// Draw the background on display page 1
uint8_t* buf = (uint8_t*)DISPLAY_PAGE_1;
// Horizontal borders
for(uint8_t col = 0; col < (GRID_SIDE * (GRID_CELL_SIDE/7)) + 1; col++) {
buf[line_offset_map[TOP_OFFSET - 1] + col + LEFT_OFFSET_B] = 0x7F;
buf[line_offset_map[TOP_OFFSET + (GRID_CELL_SIDE * GRID_SIDE) + 7] + col + LEFT_OFFSET_B] = 0x7F;
}
// Vertical borders
for(uint8_t row = 0; row < (GRID_CELL_SIDE * GRID_SIDE) + 7; row++) {
buf[line_offset_map[row + TOP_OFFSET] + LEFT_OFFSET_B - 1] = 0x40;
buf[line_offset_map[row + TOP_OFFSET] + LEFT_OFFSET_B + (GRID_SIDE * (GRID_CELL_SIDE/7)) + 1] = 0x01;
}
// Draw the borders
draw_field_borders_on_buffer(0x0F, buf);
// Copy the data from display page 1 to 2
memcpy((void*)DISPLAY_PAGE_2, (void*)DISPLAY_PAGE_1, DISPLAY_PAGE_SIZE);
@ -69,7 +65,7 @@ void draw_tiles(void) {
uint8_t* grid = get_front_grid();
// Clear the grid so we'll be able to draw the boxes on
clear_box(GRID_SIDE * (GRID_CELL_SIDE/7) + 1, (GRID_SIDE * GRID_CELL_SIDE) + 6, LEFT_OFFSET_B, TOP_OFFSET + 1, back_buf);
clear_box(GRID_SIDE * (GRID_CELL_SIDE/7) + 1, (GRID_SIDE * GRID_CELL_SIDE) + 4, LEFT_OFFSET_B, TOP_OFFSET + 1, back_buf);
for (uint8_t tile = 0; tile < GRID_SIDE * GRID_SIDE; tile++) {
if(grid[tile]) {
@ -84,6 +80,10 @@ void draw_tiles(void) {
}
}
// Re-draw the borders, to restore the correct width
draw_field_borders_on_buffer(0x0F, back_buf);
// And finally swap the buffer to show the update
swap_display_buffers();
}
@ -95,3 +95,20 @@ void swap_display_buffers(void) {
// Show the current buffer
PEEK(((uint16_t)front_buf == DISPLAY_PAGE_1) ? IO_DISPLAY_PAGE1 : IO_DISPLAY_PAGE2);
}
void draw_field_borders_on_buffer(uint8_t brd, uint8_t* buf) {
// Horizontal borders
for(uint8_t col = 0; col < (GRID_SIDE * (GRID_CELL_SIDE/7)) + 1; col++) {
buf[line_offset_map[TOP_OFFSET - 1] + col + LEFT_OFFSET_B] = BRD_SKIP_UP(brd) ? 0x00: 0x7F;
buf[line_offset_map[TOP_OFFSET - 0] + col + LEFT_OFFSET_B] = BRD_DOUBLING_UP(brd) && !BRD_SKIP_UP(brd) ? 0x7F : 0x00;
buf[line_offset_map[TOP_OFFSET + (GRID_CELL_SIDE * GRID_SIDE) + 7] + col + LEFT_OFFSET_B] = BRD_SKIP_DOWN(brd) ? 0x00: 0x7F;
buf[line_offset_map[TOP_OFFSET + (GRID_CELL_SIDE * GRID_SIDE) + 6] + col + LEFT_OFFSET_B] = BRD_DOUBLING_DOWN(brd) && !BRD_SKIP_DOWN(brd) ? 0x7F : 0x00;
}
// Vertical borders
for(uint8_t row = 0; row < (GRID_CELL_SIDE * GRID_SIDE) + 7; row++) {
buf[line_offset_map[row + TOP_OFFSET] + LEFT_OFFSET_B - 1] = BRD_SKIP_LEFT(brd) ? 0x00 : (BRD_DOUBLING_LEFT(brd) ? 0x60 : 0x40);
buf[line_offset_map[row + TOP_OFFSET] + LEFT_OFFSET_B + (GRID_SIDE * (GRID_CELL_SIDE/7)) + 1] = BRD_SKIP_RIGHT(brd) ? 0x00 : (BRD_DOUBLING_RIGHT(brd) ? 0x03 : 0x01);
}
}