#include "util.h"
#include "intr.h"
#include "input.h"
-#include "player.h"
#include "gba.h"
#include "sprite.h"
+#include "timer.h"
#include "debug.h"
-#include "level.h"
#include "voxscape.h"
#include "data.h"
+#include "scoredb.h"
+
+#define POS_MASK ((VOX_SZ << 16) - 1)
#define FOV 30
#define NEAR 2
#define FAR 85
+#define P_RATE 250
+#define E_RATE 3000
+#define SHOT_TIME 50
+
+#define ENEMY_VIS_RANGE (2 * FAR / 3)
+
static int gamescr_start(void);
static void gamescr_stop(void);
static void gamescr_frame(void);
static void gamescr_vblank(void);
-static void update(void);
+static int update(void);
static void draw(void);
+static void victory(void);
static struct screen gamescr = {
"game",
gamescr_vblank
};
+#define ENEMY_ENERGY 4
+struct enemy {
+ struct vox_object vobj;
+ short hp;
+ unsigned char anm;
+ signed char shot_frame;
+ int last_shot;
+};
+#define ENEMY_VALID(e) ((e)->anm != 0)
+#define NUM_SHOT_FRAMES 16
+
+#define SFRM_LVL1 5
+#define SFRM_LVL2 12
+
static uint16_t *framebuf;
static int nframes, backbuf;
static uint16_t *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
static int32_t pos[2], angle, horizon = 80;
-static struct voxscape *vox;
+static long last_shot, hitfrm;
+static int hit_px, hit_py;
+static int pheight;
#define COLOR_HORIZON 192
#define COLOR_ZENITH 255
-#define MAX_SPR 8
+#define MAX_SPR 48
static uint16_t oam[4 * MAX_SPR];
+static int dynspr_base, dynspr_count;
+
+
+#define MAX_ENEMIES (255 - CMAP_SPAWN0)
+static struct enemy enemies[MAX_ENEMIES];
+static int num_kills, total_enemies;
+static int energy;
+#define MAX_ENERGY 5
+
+static int score, gameover;
+static unsigned long total_time, start_time;
+static int running;
+
+#define XFORM_PIXEL_X(x, y) (xform_ca * (x) - xform_sa * (y) + (120 << 8))
+#define XFORM_PIXEL_Y(x, y) (xform_sa * (x) + xform_ca * (y) + (80 << 8))
+static int32_t xform_sa, xform_ca; /* for viewport bank/zoom */
+static int xform_s;
+
+static short vblcount;
+static void *prev_iwram_top;
+
+static int hit_frame;
+static uint16_t color0;
+
+static inline void xform_pixel(int *xp, int *yp);
struct screen *init_game_screen(void)
return &gamescr;
}
-static int gamescr_start(void)
+static void setup_palette(void)
{
int i;
+ unsigned char *cmap = gba_colors ? color_gba_cmap : color_cmap;
+
+ emuprint("setting up %s palette", gba_colors ? "GBA" : "NDS/Emu");
+
+ for(i=0; i<256; i++) {
+ int r = cmap[i * 3];
+ int g = cmap[i * 3 + 1];
+ int b = cmap[i * 3 + 2];
+ gba_bgpal[i] = RGB555(r, g, b);
+ }
+
+ color0 = gba_bgpal[0];
+}
+
+static int gamescr_start(void)
+{
+ int i, j, sidx;
+ uint8_t *cptr;
+ struct enemy *enemy;
+
+ prev_iwram_top = iwram_sbrk(0);
gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
+ fillblock_16byte(gba_vram_lfb1, 0, 240 * 160 / 16);
vblperf_setcolor(0);
pos[0] = pos[1] = VOX_SZ << 15;
+ angle = 0x8000;
+ last_shot = -P_RATE - 1;
- if(!(vox = vox_create(VOX_SZ, VOX_SZ, height_pixels, color_pixels))) {
- panic(get_pc(), "vox_create");
- }
- vox_proj(vox, FOV, NEAR, FAR);
- vox_view(vox, pos[0], pos[1], -40, angle);
+ vox_init(VOX_SZ, VOX_SZ, height_pixels, color_pixels);
+ vox_proj(FOV, NEAR, FAR);
+ pheight = vox_view(pos[0], pos[1], -40, angle);
/* 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);
- }
- /*
- intr_disable();
- interrupt(INTR_HBLANK, hblank);
- REG_DISPSTAT |= DISPSTAT_IEN_HBLANK;
- unmask(INTR_HBLANK);
- intr_enable();
- */
-
- spr_setup(16, 2, spr_game_pixels, spr_game_cmap);
+ setup_palette();
+ spr_setup(16, 16, spr_game_pixels, spr_game_cmap);
wait_vblank();
spr_clear();
- spr_oam(oam, 0, 516, 0, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 1, 516, 16, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 2, 516, 32, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 3, 520, 48, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 4, 512, 176, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 5, 516, 192, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 6, 516, 208, 144, SPR_SZ16 | SPR_256COL);
- spr_oam(oam, 7, 516, 224, 144, SPR_SZ16 | SPR_256COL);
- dma_copy16(3, (void*)OAM_ADDR, oam, sizeof oam / 2, 0);
+ 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_kills = total_enemies = 0;
+ energy = 5;
+
+ memset(enemies, 0, sizeof enemies);
+ 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 = ENEMY_ENERGY;
+ enemy->last_shot = timer_msec > E_RATE ? timer_msec - E_RATE : 0;
+ enemy->shot_frame = -1;
+ if(++total_enemies >= MAX_ENEMIES) {
+ goto endspawn;
+ }
+ }
+ cptr++;
+ }
+ }
+endspawn:
+ total_enemies = 1; /* XXX DBG */
+ /* 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);
+
+ energy = MAX_ENERGY;
+ xform_sa = 0;
+ xform_ca = 0x10000;
+ xform_s = 0x100;
+ gameover = 0;
+ score = -1;
+ total_time = 0;
+ start_time = timer_msec;
+
+ hitfrm = 0;
+
+ vblcount = 0;
nframes = 0;
+
+ running = 1;
return 0;
}
static void gamescr_stop(void)
{
- /*mask(INTR_HBLANK);*/
+ running = 0;
+
+ iwram_brk(prev_iwram_top);
+
+ wait_vblank();
+ /* clear sprites */
+ spr_clear();
+ /* reset background rot/scale state */
+ REG_BG2X = 0;
+ REG_BG2Y = 0;
+ REG_BG2PA = 0x100;
+ REG_BG2PB = 0;
+ REG_BG2PC = 0;
+ REG_BG2PD = 0x100;
+
}
static void gamescr_frame(void)
backbuf = ++nframes & 1;
framebuf = vram[backbuf];
- vox_framebuf(vox, 240, 160, framebuf, horizon);
+ vox_framebuf(240, 160, framebuf, horizon);
- update();
+ if(update() == -1) {
+ return;
+ }
draw();
vblperf_end();
#endif
}
+#define NS(x) (SPRID_UINUM + ((x) << 1))
+static int numspr[][2] = {
+ {NS(0),NS(0)}, {NS(0),NS(1)}, {NS(0),NS(2)}, {NS(0),NS(3)}, {NS(0),NS(4)},
+ {NS(0),NS(5)}, {NS(0),NS(6)}, {NS(0),NS(7)}, {NS(0),NS(8)}, {NS(0),NS(9)},
+ {NS(1),NS(0)}, {NS(1),NS(1)}, {NS(1),NS(2)}, {NS(1),NS(3)}, {NS(1),NS(4)},
+ {NS(1),NS(5)}, {NS(1),NS(6)}, {NS(1),NS(7)}, {NS(1),NS(8)}, {NS(1),NS(9)},
+ {NS(2),NS(0)}, {NS(2),NS(1)}, {NS(2),NS(2)}, {NS(2),NS(3)}, {NS(2),NS(4)},
+ {NS(2),NS(5)}, {NS(2),NS(6)}, {NS(2),NS(7)}, {NS(2),NS(8)}, {NS(2),NS(9)},
+ {NS(3),NS(0)}, {NS(3),NS(1)}, {NS(3),NS(2)}, {NS(3),NS(3)}, {NS(3),NS(4)},
+ {NS(3),NS(5)}, {NS(3),NS(6)}, {NS(3),NS(7)}, {NS(3),NS(8)}, {NS(3),NS(9)}
+};
+
#define WALK_SPEED 0x40000
#define TURN_SPEED 0x200
#define ELEV_SPEED 8
-static void update(void)
+#define MAX(a, b) ((a > (b) ? (a) : (b)))
+
+static int update(void)
{
int32_t fwd[2], right[2];
+ int i, snum, ledspr;
+ struct enemy *enemy;
+ int did_strafe = 0;
+
+ hit_frame = 0;
update_keyb();
- if(KEYPRESS(BN_SELECT)) {
- vox_quality ^= 1;
+ if(KEYPRESS(BN_START)) {
+ /* TODO pause menu */
+ change_screen(find_screen("menu"));
+ return -1;
+ }
+
+ if(gameover) {
+ goto skip_game_logic;
}
if(keystate) {
right[1] = -fwd[0];
if(keystate & BN_A) {
- pos[0] += fwd[0];
- pos[1] += fwd[1];
+ pos[0] = (pos[0] + fwd[0]) & POS_MASK;
+ pos[1] = (pos[1] + fwd[1]) & POS_MASK;
+ if(pos[0] < 0) pos[0] += VOX_SZ << 16;
+ if(pos[1] < 0) pos[1] += VOX_SZ << 16;
}
- /*
- if(keystate & BN_DOWN) {
- pos[0] -= fwd[0];
- pos[1] -= fwd[1];
+
+ if((keystate & BN_B) && (timer_msec - last_shot >= P_RATE)) {
+ last_shot = timer_msec;
+ for(i=0; i<total_enemies; i++) {
+ if(enemies[i].hp && enemies[i].vobj.px >= 0) {
+ int dx = enemies[i].vobj.px - 120;
+ int dy = enemies[i].vobj.py - 80;
+ int rad = enemies[i].vobj.scale >> 5;
+
+ if(rad < 1) rad = 1;
+
+ if(abs(dx) < rad && abs(dy) < (rad << 1)) {
+ enemies[i].shot_frame = -1;
+ if(--enemies[i].hp <= 0) {
+ if(++num_kills >= total_enemies) {
+ victory();
+ }
+ }
+ hit_px = enemies[i].vobj.px;
+ hit_py = enemies[i].vobj.py;
+ hitfrm = nframes;
+ break;
+ }
+ }
+ }
}
- */
if(keystate & BN_UP) {
if(horizon > 40) horizon -= ELEV_SPEED;
}
if(horizon < 200 - ELEV_SPEED) horizon += ELEV_SPEED;
}
if(keystate & BN_RT) {
- pos[0] += right[0];
- pos[1] += right[1];
+ pos[0] = (pos[0] + right[0]) & POS_MASK;
+ pos[1] = (pos[1] + right[1]) & POS_MASK;
+ if(pos[0] < 0) pos[0] += VOX_SZ << 16;
+ if(pos[1] < 0) pos[1] += VOX_SZ << 16;
+ did_strafe = 1;
}
if(keystate & BN_LT) {
- pos[0] -= right[0];
- pos[1] -= right[1];
+ pos[0] = (pos[0] - right[0]) & POS_MASK;
+ pos[1] = (pos[1] - right[1]) & POS_MASK;
+ if(pos[0] < 0) pos[0] += VOX_SZ << 16;
+ if(pos[1] < 0) pos[1] += VOX_SZ << 16;
+ did_strafe = 1;
}
- vox_view(vox, pos[0], pos[1], -40, angle);
+ pheight = vox_view(pos[0], pos[1], -40, angle);
}
+
+ /* enemy logic */
+ enemy = enemies;
+ for(i=0; i<total_enemies; i++) {
+ /* only consider visible enemies which are not dead */
+ if(enemy->hp <= 0 || enemy->vobj.px < 0) {
+ enemy++;
+ continue;
+ }
+
+ if(enemy->shot_frame >= 0) {
+ /* in the process of charging a shot */
+ if(++enemy->shot_frame >= NUM_SHOT_FRAMES - 1) {
+ if(!did_strafe) {
+ hit_frame = 1;
+ if(--energy <= 0) {
+ gameover = 1;
+ }
+ }
+ enemy->shot_frame = -1;
+ }
+ } else {
+ /* check rate of fire and start a shot if necessary */
+ if(timer_msec - enemy->last_shot >= E_RATE) {
+ enemy->last_shot = timer_msec;
+ enemy->shot_frame = 0;
+ }
+ }
+ enemy++;
+ }
+
+skip_game_logic:
+
+ snum = 0;
+ /* turrets number */
+ spr_oam(oam, dynspr_base + snum++, numspr[num_kills][0], 200, 144, SPR_VRECT | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, numspr[num_kills][1], 208, 144, SPR_VRECT | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, numspr[total_enemies][0], 224, 144, SPR_VRECT | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, numspr[total_enemies][1], 232, 144, SPR_VRECT | SPR_256COL);
+ /* energy bar */
+ if(energy == MAX_ENERGY) {
+ ledspr = SPRID_LEDBLU;
+ } else {
+ ledspr = energy > 2 ? SPRID_LEDGRN : SPRID_LEDRED;
+ }
+ for(i=0; i<5; i++) {
+ spr_oam(oam, dynspr_base + snum++, i >= energy ? SPRID_LEDOFF : ledspr,
+ 8 + (i << 3), 144, SPR_VRECT | SPR_256COL);
+ }
+ /* blaster sprites */
+ if(timer_msec - last_shot <= SHOT_TIME) {
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS0, -8, 118, SPR_SZ32 | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS1, 22, 103, SPR_SZ32 | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS2, 54, 88, SPR_SZ32 | SPR_256COL);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS3, 86, 72, SPR_SZ32 | SPR_256COL);
+
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS0, 240 + 8 - 32, 118, SPR_SZ32 | SPR_256COL | SPR_HFLIP);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS1, 240 - 22 - 32, 103, SPR_SZ32 | SPR_256COL | SPR_HFLIP);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS2, 240 - 54 - 32, 88, SPR_SZ32 | SPR_256COL | SPR_HFLIP);
+ spr_oam(oam, dynspr_base + snum++, SPRID_LAS3, 240 - 86 - 32, 72, SPR_SZ32 | SPR_256COL | SPR_HFLIP);
+ }
+ /* hit sparks */
+ if(nframes - hitfrm < 5) {
+ int id = SPRID_SPARK0 + (nframes - hitfrm);
+ spr_oam(oam, dynspr_base + snum++, id, hit_px - 16, hit_py - 16,
+ SPR_DBLSZ | SPR_SZ16 | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0));
+ }
+ /* enemy sprites */
+ /*spr_oam(oam, dynspr_base + snum++, SPRID_ENEMY, 50, 50, SPR_VRECT | SPR_SZ64 | SPR_256COL);*/
+ enemy = enemies;
+ for(i=0; i<total_enemies; i++) {
+ int sid, anm, px, py, yoffs;
+ unsigned int flags;
+ int16_t mat[4];
+ int32_t sa, ca, scale;
+
+ if(enemy->vobj.px >= 0) {
+ flags = SPR_DBLSZ | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0);
+ if(enemy->hp > 0) {
+ anm = (enemy->anm + (vblcount >> 3)) & 0xf;
+ sid = SPRID_ENEMY0 + ((anm & 7) << 2);
+ flags |= SPR_SZ32 | SPR_VRECT;
+ yoffs = 32;
+ } else {
+ anm = 0;
+ sid = SPRID_HUSK;
+ flags |= SPR_SZ16;
+ yoffs = 16;
+ }
+
+ px = enemy->vobj.px - 120;
+ py = enemy->vobj.py - 80;
+ xform_pixel(&px, &py);
+
+
+ if(enemy->shot_frame >= 0) {
+ if(enemy->shot_frame < SFRM_LVL1) {
+ spr_oam(oam, dynspr_base + snum++, SPRID_SHOT0, px - 16, py - 16,
+ SPR_DBLSZ | SPR_SZ16 | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0));
+ } else if(enemy->shot_frame < SFRM_LVL2) {
+ spr_oam(oam, dynspr_base + snum++, SPRID_SHOT1, px - 16, py - 16,
+ SPR_DBLSZ | SPR_SZ16 | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0));
+ } else {
+ spr_oam(oam, dynspr_base + snum++, SPRID_SHOT2, px - 16, py - 16,
+ SPR_DBLSZ | SPR_SZ16 | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0));
+ }
+ }
+
+
+ spr_oam(oam, dynspr_base + snum++, sid, px - 16, py - yoffs, flags);
+
+ scale = enemy->vobj.scale;
+ if(scale > 0x10000) scale = 0x10000;
+ sa = xform_sa / scale;
+ ca = xform_ca / scale;
+ mat[0] = anm >= 8 ? -ca : ca;
+ mat[1] = sa;
+ mat[2] = -sa;
+ mat[3] = ca;
+
+ spr_transform(oam, 0, mat);
+ enemy->vobj.px = -1;
+ }
+ enemy++;
+ }
+ for(i=snum; i<dynspr_count; i++) {
+ spr_oam_clear(oam, dynspr_base + i);
+ }
+
+ mask(INTR_VBLANK);
+ dynspr_count = snum;
+ unmask(INTR_VBLANK);
+
+ return 0;
}
static void draw(void)
{
- dma_fill16(3, framebuf, 0, 240 * 160 / 2);
- //fillblock_16byte(framebuf, 0, 240 * 160 / 16);
+ //dma_fill16(3, framebuf, 0, 240 * 160 / 2);
+ fillblock_16byte(framebuf, 0, 240 * 160 / 16);
+
+ if(hit_frame) {
+ gba_bgpal[0] = 0x7fff;
+ } else {
+ gba_bgpal[0] = color0;
+ vox_render();
+ }
+ //vox_sky_grad(COLOR_HORIZON, COLOR_ZENITH);
+ //vox_sky_solid(COLOR_ZENITH);
+
+ if(score >= 0 || energy <= 0) {
+ int sec = total_time / 1000;
+
+ fillblock_16byte(framebuf + 8 * 240 / 2, 199 | (199 << 8) | (199 << 16) | (199 << 24), 40 * 240 / 16);
+
+ glyphfb = framebuf;
+ glyphbg = 199;
+ glyphcolor = 197;
+ if(energy > 0) {
+ dbg_drawstr(80, 10, "Victory!");
+ glyphcolor = 200;
+ dbg_drawstr(30, 20, " Score: %d", score);
+ dbg_drawstr(30, 28, "Completed in: %lum.%lus", sec / 60, sec % 60);
+ } else {
+ dbg_drawstr(80, 10, "Game Over!");
+ }
+ glyphcolor = 198;
+ dbg_drawstr(85, 40, "Press start to exit");
+ }
+}
+
+static void victory(void)
+{
+ total_time = timer_msec - start_time;
+ score = 42;
+
+ /* TODO enter name */
+ save_score("???", score, total_time, 0);
+ save_scores();
+}
+
+static inline void xform_pixel(int *xp, int *yp)
+{
+ int32_t sa = xform_sa >> 8;
+ int32_t ca = xform_ca >> 8;
+ int x = *xp;
+ int y = *yp;
- vox_render(vox);
- //vox_sky_grad(vox, COLOR_HORIZON, COLOR_ZENITH);
- //vox_sky_solid(vox, COLOR_ZENITH);
+ *xp = (ca * x - sa * y + (120 << 8)) >> 8;
+ *yp = (sa * x + ca * y + (80 << 8)) >> 8;
}
#define MAXBANK 0x100
ARM_IWRAM
static void gamescr_vblank(void)
{
- static int bank, bankdir, theta, scale;
+ static int bank, bankdir, theta;
int32_t sa, ca;
+ if(!running) return;
+
+ vblcount++;
+
+ /* TODO: pre-arrange sprite tiles in gba-native format, so that I can just
+ * DMA them from cartridge easily
+ */
+
+ /*dma_copy32(3, (void*)(OAM_ADDR + dynspr_base * 8), oam + dynspr_base * 4, MAX_SPR * 2, 0);*/
+ dma_copy32(3, (void*)OAM_ADDR, oam, MAX_SPR * 2, 0);
+
+ if(gameover) return;
+
theta = -(bank << 3);
- scale = MAXBANK + (abs(bank) >> 3);
- sa = SIN(theta) / scale;
- ca = COS(theta) / scale;
+ xform_sa = SIN(theta);
+ xform_ca = COS(theta);
+#if 0
+ xform_s = 0x100000 / (MAXBANK + (abs(bank) >> 3));
+ sa = (((xform_sa) >> 8) * xform_s) >> 12;
+ ca = (((xform_ca) >> 8) * xform_s) >> 12;
+#else
+ xform_s = (MAXBANK + (abs(bank) >> 3));
+ sa = xform_sa / xform_s;
+ ca = xform_ca / xform_s;
+#endif
REG_BG2X = -ca * 120 - sa * 80 + (120 << 8);
REG_BG2Y = sa * 120 - ca * 80 + (80 << 8);
REG_BG2PC = -sa;
REG_BG2PD = ca;
- keystate = ~REG_KEYINPUT;
-
if((keystate & (BN_LEFT | BN_RIGHT)) == 0) {
if(bank) {
bank -= bankdir << 4;
if(bank < MAXBANK) bank += 16;
}
}
-
-/*
-static uint16_t skygrad[] __attribute__((section(".data"))) = {
-
- 0x662a, 0x660a, 0x660a, 0x660b, 0x660b, 0x660b, 0x660b, 0x6a0b, 0x6a0c,
- 0x6a0c, 0x6a0c, 0x6a0c, 0x6a0c, 0x6a0d, 0x6a0d, 0x6a0d, 0x6a0d, 0x6a0d,
- 0x6a0d, 0x6a0e, 0x6e0e, 0x6e0e, 0x6e0e, 0x6e0e, 0x6e0f, 0x6e0f, 0x6e0f,
- 0x6e0f, 0x6e0f, 0x6e0f, 0x6e10, 0x6e10, 0x7210, 0x7210, 0x7210, 0x7211,
- 0x7211, 0x7211, 0x71f1, 0x71f1, 0x71f2, 0x71f2, 0x71f2, 0x71f2, 0x71f2,
- 0x75f2, 0x75f3, 0x75f3, 0x75f3, 0x75f3, 0x75f3, 0x75f4, 0x75f4, 0x75f4,
- 0x75f4, 0x75f4, 0x75f5, 0x79f5, 0x79f5, 0x79f5, 0x79f5, 0x79f5, 0x79f6,
- 0x79f6, 0x79f6, 0x79f6, 0x79f6, 0x79f7, 0x79f7, 0x79f7, 0x7df7, 0x7df7,
- 0x7df7, 0x7df8, 0x7df8, 0x7df8, 0x7dd8, 0x7dd8, 0x7dd9, 0x7dd9,
-
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9,
- 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9, 0x7dd9
-};
-
-ARM_IWRAM
-static void hblank(void)
-{
- int vcount = REG_VCOUNT;
- gba_bgpal[255] = skygrad[vcount];
-}
-*/