#include "util.h"
#include "intr.h"
#include "input.h"
-#include "player.h"
#include "gba.h"
#include "sprite.h"
#include "debug.h"
-#include "level.h"
#include "voxscape.h"
#include "data.h"
+#define FOV 30
+#define NEAR 2
+#define FAR 85
+
static int gamescr_start(void);
static void gamescr_stop(void);
static void gamescr_frame(void);
static int nframes, backbuf;
static uint16_t *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
-static int32_t pos[2], angle;
+static int32_t pos[2], angle, horizon = 80;
static struct voxscape *vox;
#define COLOR_HORIZON 192
#define COLOR_ZENITH 255
-#define MAX_SPR 8
+#define MAX_SPR 32
static uint16_t oam[4 * MAX_SPR];
+static int dynspr_base, dynspr_count;
+static int num_tur, total_tur;
+static int energy;
+#define MAX_ENERGY 5
struct screen *init_game_screen(void)
{
static int gamescr_start(void)
{
- int i;
+ int i, sidx;
gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
if(!(vox = vox_create(VOX_SZ, VOX_SZ, height_pixels, color_pixels))) {
panic(get_pc(), "vox_create");
}
- vox_proj(vox, 30, 2, 85);
+ vox_proj(vox, FOV, NEAR, FAR);
+ vox_view(vox, pos[0], pos[1], -40, angle);
/* setup color image palette */
for(i=0; i<256; i++) {
intr_enable();
*/
- spr_setup(16, 2, spr_game_pixels, spr_game_cmap);
-
+ 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;
+
+ wait_vblank();
+ dma_copy32(3, (void*)OAM_ADDR, oam, sidx * 2, 0);
+
+ num_tur = 0;
+ total_tur = 16;
+ energy = 5;
nframes = 0;
return 0;
backbuf = ++nframes & 1;
framebuf = vram[backbuf];
- vox_framebuf(vox, 240, 160, framebuf, -1);
+ vox_framebuf(vox, 240, 160, framebuf, horizon);
update();
draw();
#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
-
-static volatile uint16_t input;
+#define ELEV_SPEED 8
static void update(void)
{
int32_t fwd[2], right[2];
+ int i, snum, ledspr;
+
+ update_keyb();
- if((input = read_input())) {
+ if(KEYPRESS(BN_SELECT)) {
+ vox_quality ^= 1;
+ }
- if(input & BN_LT) {
+ if(keystate) {
+ if(keystate & BN_LEFT) {
angle += TURN_SPEED;
}
- if(input & BN_RT) {
+ if(keystate & BN_RIGHT) {
angle -= TURN_SPEED;
}
right[0] = fwd[1];
right[1] = -fwd[0];
- if(input & BN_UP) {
+ if(keystate & BN_A) {
pos[0] += fwd[0];
pos[1] += fwd[1];
}
- if(input & BN_DOWN) {
+ /*
+ if(keystate & BN_DOWN) {
pos[0] -= fwd[0];
pos[1] -= fwd[1];
}
- if(input & BN_RIGHT) {
+ */
+ if(keystate & BN_UP) {
+ if(horizon > 40) horizon -= ELEV_SPEED;
+ }
+ if(keystate & BN_DOWN) {
+ if(horizon < 200 - ELEV_SPEED) horizon += ELEV_SPEED;
+ }
+ if(keystate & BN_RT) {
pos[0] += right[0];
pos[1] += right[1];
}
- if(input & BN_LEFT) {
+ if(keystate & BN_LT) {
pos[0] -= right[0];
pos[1] -= right[1];
}
vox_view(vox, pos[0], pos[1], -40, angle);
}
+
+ snum = 0;
+ /* turrets number */
+ 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;
+ } 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);
+ }
+ /* 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)
{
- 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);
vox_render(vox);
//vox_sky_grad(vox, COLOR_HORIZON, COLOR_ZENITH);
//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
static void gamescr_vblank(void)
{
- static int bank, bankdir, theta, scale;
+ 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);
- scale = MAXBANK + (abs(bank) >> 3);
- sa = SIN(theta) / scale;
- ca = COS(theta) / scale;
+#if 0
+ s = 0x100000 / (MAXBANK + (abs(bank) >> 3));
+ sa = ((SIN(theta) >> 8) * s) >> 12;
+ ca = ((COS(theta) >> 8) * s) >> 12;
+#else
+ s = (MAXBANK + (abs(bank) >> 3));
+ sa = SIN(theta) / s;
+ ca = COS(theta) / s;
+#endif
REG_BG2X = -ca * 120 - sa * 80 + (120 << 8);
REG_BG2Y = sa * 120 - ca * 80 + (80 << 8);
REG_BG2PC = -sa;
REG_BG2PD = ca;
- if((input & (BN_LT | BN_RT)) == 0) {
+ keystate = ~REG_KEYINPUT;
+
+ if((keystate & (BN_LEFT | BN_RIGHT)) == 0) {
if(bank) {
bank -= bankdir << 4;
}
- } else if(input & BN_LT) {
+ } else if(keystate & BN_LEFT) {
bankdir = -1;
if(bank > -MAXBANK) bank -= 16;
- } else if(input & BN_RT) {
+ } else if(keystate & BN_RIGHT) {
bankdir = 1;
if(bank < MAXBANK) bank += 16;
}
projects / gbajam22 / blobdiff