foo

diff --git a/src/data.h b/src/data.h
index 06e7123..e805f63 100644 (file)
--- a/src/data.h
+++ b/src/data.h
@@ -9,19 +9,22 @@
 
 #define VOX_SZ 512
 
+#define SPRID(x, y)            (SPRID_BASE + ((y) * 4) + (x) / 4)
+
 enum {
        SPRID_BASE              = 512,
-       SPRID_UILEFT    = SPRID_BASE + 0,
-       SPRID_UIMID             = SPRID_BASE + 4,
-       SPRID_UIRIGHT   = SPRID_BASE + 8,
-       SPRID_UINUM             = SPRID_BASE + 12,
-       SPRID_UISLASH   = SPRID_BASE + 94,
-       SPRID_CROSS             = SPRID_BASE + 64,
-       SPRID_UITGT             = SPRID_BASE + 68,
-       SPRID_LEDOFF    = SPRID_BASE + 72,
-       SPRID_LEDRED    = SPRID_BASE + 74,
-       SPRID_LEDBLU    = SPRID_BASE + 76,
-       SPRID_LEDGRN    = SPRID_BASE + 78
+       SPRID_UILEFT    = SPRID(0, 0),
+       SPRID_UIMID             = SPRID(16, 0),
+       SPRID_UIRIGHT   = SPRID(32, 0),
+       SPRID_UINUM             = SPRID(48, 0),
+       SPRID_UISLASH   = SPRID(120, 16),
+       SPRID_CROSS             = SPRID(0, 16),
+       SPRID_UITGT             = SPRID(16, 16),
+       SPRID_LEDOFF    = SPRID(32, 16),
+       SPRID_LEDRED    = SPRID(40, 16),
+       SPRID_LEDBLU    = SPRID(48, 16),
+       SPRID_LEDGRN    = SPRID(56, 16),
+       SPRID_ENEMY             = SPRID(0, 64)
 };
 
 extern unsigned char color_pixels[];

diff --git a/src/gamescr.c b/src/gamescr.c
index c422119..abbbce9 100644 (file)
--- a/src/gamescr.c
+++ b/src/gamescr.c
@@ -87,7 +87,7 @@ static int gamescr_start(void)
        intr_enable();
        */
 
-       spr_setup(16, 8, spr_game_pixels, spr_game_cmap);
+       spr_setup(16, 16, spr_game_pixels, spr_game_cmap);
        wait_vblank();
        spr_clear();
 
@@ -163,7 +163,7 @@ static int numspr[][2] = {
 static void update(void)
 {
        int32_t fwd[2], right[2];
-       int i, ledspr;
+       int i, snum, ledspr;
 
        update_keyb();
 
@@ -212,11 +212,12 @@ static void update(void)
                vox_view(vox, pos[0], pos[1], -40, angle);
        }
 
+       snum = 0;
        /* turrets number */
-       spr_oam(oam, dynspr_base, numspr[num_tur][0], 200, 144, SPR_VRECT | SPR_256COL);
-       spr_oam(oam, dynspr_base + 1, numspr[num_tur][1], 208, 144, SPR_VRECT | SPR_256COL);
-       spr_oam(oam, dynspr_base + 2, numspr[total_tur][0], 224, 144, SPR_VRECT | SPR_256COL);
-       spr_oam(oam, dynspr_base + 3, numspr[total_tur][1], 232, 144, SPR_VRECT | SPR_256COL);
+       spr_oam(oam, dynspr_base + snum++, numspr[num_tur][0], 200, 144, SPR_VRECT | SPR_256COL);
+       spr_oam(oam, dynspr_base + snum++, numspr[num_tur][1], 208, 144, SPR_VRECT | SPR_256COL);
+       spr_oam(oam, dynspr_base + snum++, numspr[total_tur][0], 224, 144, SPR_VRECT | SPR_256COL);
+       spr_oam(oam, dynspr_base + snum++, numspr[total_tur][1], 232, 144, SPR_VRECT | SPR_256COL);
        /* energy bar */
        if(energy == MAX_ENERGY) {
                ledspr = SPRID_LEDBLU;
@@ -224,10 +225,15 @@ static void update(void)
                ledspr = energy > 2 ? SPRID_LEDGRN : SPRID_LEDRED;
        }
        for(i=0; i<5; i++) {
-               spr_oam(oam, dynspr_base + i + 4, i >= energy ? SPRID_LEDOFF : ledspr,
+               spr_oam(oam, dynspr_base + snum++, i >= energy ? SPRID_LEDOFF : ledspr,
                                8 + (i << 3), 144, SPR_VRECT | SPR_256COL);
        }
-       dynspr_count = 9;
+       /* enemy sprites */
+       spr_oam(oam, dynspr_base + snum++, SPRID_ENEMY, 50, 50, SPR_VRECT | SPR_SZ64 | SPR_256COL);
+
+       mask(INTR_VBLANK);
+       dynspr_count = snum;
+       unmask(INTR_VBLANK);
 }
 
 static void draw(void)
@@ -240,6 +246,12 @@ static void draw(void)
        //vox_sky_solid(vox, COLOR_ZENITH);
 }
 
+#define OFFS(x, y)     ((y) * 128 + (x))
+static short enemy_frame_offs[] = {
+       OFFS(0, 128), OFFS(32, 128), OFFS(64, 128), OFFS(96, 128),
+       OFFS(0, 192), OFFS(32, 192), OFFS(64, 192), OFFS(96, 192)
+};
+
 #define MAXBANK                0x100
 
 ARM_IWRAM
@@ -247,9 +259,25 @@ static void gamescr_vblank(void)
 {
        static int bank, bankdir, theta, s;
        int32_t sa, ca;
+       uint16_t *src, *dst;
+       int i;
 
        if(!nframes) return;
 
+       /* TODO: pre-arrange sprite tiles in gba-native format, so that I can just
+        * DMA them from cartridge easily
+        */
+
+       /*
+       src = (void*)(spr_game_pixels + enemy_frame_offs[1]);
+       dst = (void*)(VRAM_LFB_OBJ_ADDR + SPRID(0, 64));
+       for(i=0; i<64; i++) {
+               dma_copy32(3, dst, src, 32 / 4, 0);
+               dst += 32 / 2;
+               src += 128 / 2;
+       }
+       */
+
        dma_copy32(3, (void*)(OAM_ADDR + dynspr_base * 8), oam + dynspr_base * 4, dynspr_count * 2, 0);
 
        theta = -(bank << 3);