#include "input.h"
#include "gba.h"
#include "sprite.h"
+#include "timer.h"
#include "debug.h"
#include "voxscape.h"
#include "data.h"
+#include "scoredb.h"
#define FOV 30
#define NEAR 2
#define FAR 85
+#define P_RATE 250
+#define E_RATE 250
+#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 int update(void);
static void draw(void);
+static void victory(void);
static struct screen gamescr = {
"game",
struct vox_object vobj;
short hp;
short anm;
- int last_fire;
+ int last_shot;
};
#define ENEMY_VALID(e) ((e)->anm != 0)
static uint16_t *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
static int32_t pos[2], angle, horizon = 80;
+static long last_shot, hitfrm;
+static int hit_px, hit_py;
#define COLOR_HORIZON 192
#define COLOR_ZENITH 255
-#define MAX_SPR 32
+#define MAX_SPR 40
static uint16_t oam[4 * MAX_SPR];
static int dynspr_base, dynspr_count;
#define MAX_ENEMIES (255 - CMAP_SPAWN0)
-struct enemy enemies[MAX_ENEMIES];
-int num_enemies, total_enemies;
+static struct enemy enemies[MAX_ENEMIES];
+static int num_kills, total_enemies;
static int energy;
#define MAX_ENERGY 5
+#define ENEMY_ENERGY 4
+
+static int score;
+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))
return &gamescr;
}
+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);
+ }
+}
+
static int gamescr_start(void)
{
int i, j, sidx;
vblperf_setcolor(0);
pos[0] = pos[1] = VOX_SZ << 15;
+ angle = 0x8000;
+ last_shot = -P_RATE - 1;
vox_init(VOX_SZ, VOX_SZ, height_pixels, color_pixels);
vox_proj(FOV, NEAR, FAR);
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);
- }
+ setup_palette();
spr_setup(16, 16, spr_game_pixels, spr_game_cmap);
wait_vblank();
spr_oam(oam, sidx++, SPRID_UISLASH, 216, 144, SPR_VRECT | SPR_256COL);
dynspr_base = sidx;
- num_enemies = total_enemies = 0;
+ num_kills = total_enemies = 0;
energy = 5;
memset(enemies, 0, sizeof enemies);
enemy->vobj.y = i;
enemy->vobj.px = -1;
enemy->anm = 0xff;
- enemy->hp = 2;
- enemy->last_fire = 0;
+ enemy->hp = ENEMY_ENERGY;
+ enemy->last_shot = timer_msec > E_RATE ? timer_msec - E_RATE : 0;
if(++total_enemies >= MAX_ENEMIES) {
goto endspawn;
}
}
}
endspawn:
+ total_enemies = 1; /* XXX DBG */
/* check continuity */
for(i=0; i<total_enemies; i++) {
if(enemies[i].anm <= 0) {
xform_ca = 0x10000;
xform_s = 0x100;
+ score = -1;
+ total_time = 0;
+ start_time = timer_msec;
+
+ hitfrm = 0;
+
vblcount = 0;
nframes = 0;
+
+ running = 1;
return 0;
}
static void gamescr_stop(void)
{
+ running = 0;
+
iwram_brk(prev_iwram_top);
wait_vblank();
pos[0] += fwd[0];
pos[1] += fwd[1];
}
- if(keystate & BN_B) {
- for(i=0; i<num_enemies; i++) {
+
+ 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;
- if(abs(dx) < 10 && abs(dy) < 10) {
- emuprint("pow");
- enemies[i].hp--;
+ int rad = enemies[i].vobj.scale >> 5;
+
+ /*emuprint("rad: %d (%d,%d)", rad, enemies[i].vobj.px, enemies[i].vobj.py);*/
+ if(rad < 1) rad = 1;
+
+ if(abs(dx) < rad && abs(dy) < (rad << 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;
}
}
vox_view(pos[0], pos[1], -40, angle);
}
+ /* enemy logic */
+ enemy = enemies;
+ for(i=0; i<total_enemies; i++) {
+ int32_t dx, dy;
+
+ if(enemy->hp <= 0 || timer_msec - enemy->last_shot < E_RATE) {
+ enemy++;
+ continue;
+ }
+
+ dx = enemy->vobj.x - pos[0];
+ dy = enemy->vobj.y - pos[1];
+ if(abs(dx >> 16) < ENEMY_VIS_RANGE && abs(dy >> 16) < ENEMY_VIS_RANGE) {
+ if(vox_check_vis(enemy->vobj.x, enemy->vobj.y, pos[0], pos[1])) {
+ enemy->last_shot = timer_msec;
+ /* TODO shoot */
+ }
+ }
+ enemy++;
+ }
+
snum = 0;
/* turrets number */
- spr_oam(oam, dynspr_base + snum++, numspr[num_enemies][0], 200, 144, SPR_VRECT | SPR_256COL);
- spr_oam(oam, dynspr_base + snum++, numspr[num_enemies][1], 208, 144, SPR_VRECT | SPR_256COL);
+ 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 */
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;
+ 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_SZ32 | SPR_DBLSZ | SPR_256COL | SPR_ROTSCL | SPR_ROTSCL_SEL(0);
- if(enemies->hp > 0) {
- anm = (enemies->anm + (vblcount >> 3)) & 0xf;
+ 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_VRECT;
+ 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);
- spr_oam(oam, dynspr_base + snum++, sid, px - 20, py - 32, flags);
+ spr_oam(oam, dynspr_base + snum++, sid, px - 16, py - yoffs, flags);
scale = enemy->vobj.scale;
if(scale > 0x10000) scale = 0x10000;
vox_render();
//vox_sky_grad(COLOR_HORIZON, COLOR_ZENITH);
//vox_sky_solid(COLOR_ZENITH);
+
+ if(score >= 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;
+ 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);
+ 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)
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
projects / gbajam22 / blobdiff