enne2/gameboy-hello
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feat: implement 16-variant autotiling inspired by the AI mockup

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This commit is contained in:
Matteo Benedetto
2026-06-18 11:07:39 +02:00
parent ba92e8491d
commit 2e2c074f49
3 changed files with 137 additions and 33 deletions
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src/main.c
+11 -5
View File
@@ -54,13 +54,14 @@ void main(void) {
initrand(DIV_REG);
// Invia i dati grafici del gioco alla VRAM
set_bkg_data(0, 5, TileData); // 1 strada + 4 siepi
set_bkg_data(0, 17, TileData); // 1 strada + 16 varianti autotile
// La mappa background in memoria hardware è grande 32x32 tiles.
// Inizializziamo il "fuori mappa" con siepi solide (mask 15 = 1 + 15)
for (y = 0; y < 32; y++) {
for (x = 0; x < 32; x++) {
uint8_t rand_hedge = 1 + (rand() % 4);
set_bkg_tiles(x, y, 1, 1, &rand_hedge);
uint8_t solid_hedge = 16;
set_bkg_tiles(x, y, 1, 1, &solid_hedge);
}
}
@@ -71,8 +72,13 @@ void main(void) {
for (y = 0; y < MAZE_HEIGHT; y++) {
for (x = 0; x < MAZE_WIDTH; x++) {
uint8_t tile_idx = maze[y][x];
if (tile_idx == 1) { // Se è un muro, scegli una siepe variante casuale
tile_idx = 1 + (rand() % 4);
if (tile_idx == 1) { // Se è un muro, usa autotiling
uint8_t mask = 0;
if (y > 0 && maze[y-1][x] == 1) mask |= 8; // Nord
if (x < MAZE_WIDTH-1 && maze[y][x+1] == 1) mask |= 4; // Est
if (y < MAZE_HEIGHT-1 && maze[y+1][x] == 1) mask |= 2; // Sud
if (x > 0 && maze[y][x-1] == 1) mask |= 1; // Ovest
tile_idx = 1 + mask;
}
set_bkg_tiles(x, y, 1, 1, &tile_idx);
}
src/tiles.c
+35 -28
View File
@@ -1,31 +1,38 @@
/**
* @file tiles.c
* @brief Implementazione dei dati grafici dei tile.
*/
#include "tiles.h"
// Definizione dei dati dei tile. Ogni tile su Game Boy è 8x8 pixel.
// Ogni riga del tile è rappresentata da 2 byte (planar format).
const unsigned char TileData[] = {
// Tile 0: Completamente bianco (tutti i bit a 0)
// Indica la stanza scavata e i percorsi.
0x00,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00,
0x00,0x00, 0x00,0x00, 0x00,0x00, 0x00,0x00,
// Tile 1: Siepe da giardino (variante 0)
0xC3,0xBD, 0x90,0x6F, 0x24,0xFB, 0x49,0xFE,
0x12,0xEF, 0x44,0xFB, 0x88,0x7F, 0xA3,0xDD,
// Tile 2: Siepe da giardino (variante 1)
0x8C,0x7B, 0x22,0xFD, 0x41,0xBF, 0x14,0xEF,
0x82,0xFD, 0x20,0xDF, 0x48,0xF7, 0x11,0xFE,
// Tile 3: Siepe da giardino (variante 2)
0x42,0xBF, 0x90,0xEF, 0x05,0xFB, 0x22,0xFD,
0x88,0x7F, 0x01,0xFE, 0x48,0xF7, 0x24,0xDF,
// Tile 4: Siepe da giardino (variante 3)
0x14,0xFB, 0x82,0x7F, 0x20,0xDF, 0x88,0xF7,
0x03,0xFD, 0x50,0xBF, 0x04,0xFB, 0x21,0xFE
const unsigned char TileData[272] = {
// Tile 0 (Mask Floor)
0x00, 0x00, 0x10, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x08, 0x00, 0x00, 0x00,
// Tile 1 (Mask 0)
0x00, 0x00, 0x1E, 0x00, 0x3E, 0x00, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x3E, 0x3E, 0x1E, 0x1E,
// Tile 2 (Mask 1)
0x00, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0xFE, 0xFE, 0xFE, 0xFE,
// Tile 3 (Mask 2)
0x00, 0x00, 0x1E, 0x00, 0x3E, 0x00, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C,
// Tile 4 (Mask 3)
0x00, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC,
// Tile 5 (Mask 4)
0x00, 0x00, 0x1F, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x3F, 0x3F, 0x1F, 0x1F,
// Tile 6 (Mask 5)
0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
// Tile 7 (Mask 6)
0x00, 0x00, 0x1F, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F,
// Tile 8 (Mask 7)
0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
// Tile 9 (Mask 8)
0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x3E, 0x3E, 0x1E, 0x1E,
// Tile 10 (Mask 9)
0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0xFE, 0xFE, 0xFE, 0xFE,
// Tile 11 (Mask 10)
0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C, 0x00, 0x3C,
// Tile 12 (Mask 11)
0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC, 0x00, 0xFC,
// Tile 13 (Mask 12)
0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x3F, 0x3F, 0x1F, 0x1F,
// Tile 14 (Mask 13)
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
// Tile 15 (Mask 14)
0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x00, 0x3F,
// Tile 16 (Mask 15)
0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x10, 0xEF, 0x04, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
};