+ /* setup color image palette */
+ for(i=0; i<256; i++) {
+ int r = color_cmap[i * 3];
+ int g = color_cmap[i * 3 + 1];
+ int b = color_cmap[i * 3 + 2];
+ gba_bgpal[i] = (((uint16_t)b << 7) & 0x7c00) | (((uint16_t)g << 2) & 0x3e0) | (((uint16_t)r >> 3) & 0x1f);
+ }
+
+ spr_setup(16, 16, spr_game_pixels, spr_game_cmap);
+ wait_vblank();
+ spr_clear();
+
+ for(i=0; i<MAX_SPR; i++) {
+ spr_oam_clear(oam, i);
+ }
+
+ sidx = 0;
+ spr_oam(oam, sidx++, SPRID_CROSS, 120-8, 80-8, SPR_SZ16 | SPR_256COL);
+ spr_oam(oam, sidx++, SPRID_UIMID, 0, 144, SPR_VRECT | SPR_256COL);
+ spr_oam(oam, sidx++, SPRID_UIRIGHT, 48, 144, SPR_SZ16 | SPR_256COL);
+ spr_oam(oam, sidx++, SPRID_UILEFT, 168, 144, SPR_SZ16 | SPR_256COL);
+ spr_oam(oam, sidx++, SPRID_UITGT, 184, 144, SPR_SZ16 | SPR_256COL);
+ spr_oam(oam, sidx++, SPRID_UISLASH, 216, 144, SPR_VRECT | SPR_256COL);
+ dynspr_base = sidx;
+
+ num_enemies = total_enemies = 0;
+ energy = 5;
+
+ srand(0);
+ cptr = color_pixels;
+ for(i=0; i<VOX_SZ; i++) {
+ for(j=0; j<VOX_SZ; j++) {
+ if(*cptr == 255) {
+ /* player spawn point */
+ pos[0] = j << 16;
+ pos[1] = i << 16;
+
+ } else if(*cptr >= CMAP_SPAWN0 && *cptr != 255) {
+ /* enemy spawn point */
+ int idx = *cptr - CMAP_SPAWN0;
+ enemy = enemies + idx;
+ if(enemy->anm) {
+ panic(get_pc(), "double spawn %d at %d,%d (prev: %d,%d)", idx,
+ j, i, enemy->vobj.x, enemy->vobj.y);
+ }
+ enemy->vobj.x = j;
+ enemy->vobj.y = i;
+ enemy->vobj.px = -1;
+ enemy->anm = 0xff;
+ enemy->hp = 2;
+ enemy->last_fire = 0;
+ if(++total_enemies >= MAX_ENEMIES) {
+ goto endspawn;
+ }
+ }
+ cptr++;
+ }
+ }
+endspawn:
+ /* check continuity */
+ for(i=0; i<total_enemies; i++) {
+ if(enemies[i].anm <= 0) {
+ panic(get_pc(), "discontinuous enemy list");
+ }
+ enemies[i].anm = rand() & 7;
+ }
+
+ vox_objects((struct vox_object*)enemies, total_enemies, sizeof *enemies);