X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmenuscr.c;h=7db554217b67e3724db0af68eb6d24f9fcf752d1;hb=HEAD;hp=dfbc8cb4993648948dd7d5b3ed88ace328997b2b;hpb=f57fab6afe62f2a476ef4afa1842c81722816451;p=gbajam22

diff --git a/src/menuscr.c b/src/menuscr.c
index dfbc8cb..7db5542 100644
--- a/src/menuscr.c
+++ b/src/menuscr.c
@@ -1,5 +1,149 @@
-#include "gbaregs.h"
+#include "game.h"
+#include "data.h"
+#include "gba.h"
+#include "util.h"
+#include "dma.h"
+#include "input.h"
+#include "sprite.h"
+#include "debug.h"
+#include "scoredb.h"
 
-void menuscr(void)
+enum {
+	MENU_START,
+	MENU_CTRL,
+	MENU_COLORS,
+	MENU_SCORE,
+
+	NUM_MENU_ITEMS
+};
+
+static int menuscr_start(void);
+static void menuscr_stop(void);
+static void menuscr_frame(void);
+static void menuscr_vblank(void);
+
+static struct screen menuscr = {
+	"menu",
+	menuscr_start,
+	menuscr_stop,
+	menuscr_frame,
+	menuscr_vblank
+};
+
+static int num_vbl;
+static int cur_x, cur_y;
+static int sel;
+static int running;
+
+static const short pos[][2] = {{76, 88}, {87, 108}, {29, 128}, {75, 148}};
+#define CUR_XOFFS	16
+
+struct screen *init_menu_screen(void)
+{
+	return &menuscr;
+}
+
+static void setup_palette(void)
+{
+	int i;
+	unsigned char *cmap = gba_colors ? menuscr_gba_cmap : menuscr_cmap;
+
+	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 menuscr_start(void)
+{
+	gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ);
+	dma_copy16(3, gba_vram_lfb0, menuscr_pixels, 240 * 160 / 2, 0);
+
+	setup_palette();
+
+	spr_setup(16, 4, spr_menu_pixels, spr_menu_cmap);
+
+	wait_vblank();
+	spr_clear();
+
+	cur_x = pos[sel][0] - CUR_XOFFS;
+	cur_y = pos[sel][1];
+
+	running = 1;
+	return 0;
+}
+
+static void menuscr_stop(void)
+{
+	running = 0;
+	wait_vblank();
+	spr_clear();
+}
+
+static void menuscr_frame(void)
 {
+	update_keyb();
+
+	if(KEYPRESS(BN_START)) {
+		change_screen(find_screen("game"));
+		return;
+	}
+
+	if(KEYPRESS(BN_A)) {
+		switch(sel) {
+		case MENU_START:
+			change_screen(find_screen("game"));
+			return;
+		case MENU_CTRL:
+			change_screen(find_screen("controls"));
+			return;
+		default:
+			break;
+		}
+	}
+
+	if(KEYPRESS(BN_DOWN) && sel <= NUM_MENU_ITEMS) {
+		cur_x = pos[++sel][0] - CUR_XOFFS;
+		cur_y = pos[sel][1];
+	}
+	if(KEYPRESS(BN_UP) && sel > 0) {
+		cur_x = pos[--sel][0] - CUR_XOFFS;
+		cur_y = pos[sel][1];
+	}
+	if((KEYPRESS(BN_LEFT) || KEYPRESS(BN_RIGHT)) && sel == MENU_COLORS) {
+		gba_colors ^= 1;
+		setup_palette();
+		scores[10].score = (scores[10].score & ~1) | (gba_colors & 1);
+		save_scores();
+	}
+
+	wait_vblank();
+}
+
+static const int curspr[] = {
+	SPRID(0, 0), SPRID(32, 0), SPRID(64, 0), SPRID(96, 0),
+	SPRID(0, 16), SPRID(32, 16), SPRID(64, 16), SPRID(96, 16)
+};
+
+#define MENU_COLOR_FBPTR		(void*)(VRAM_LFB_FB0_ADDR + 117 * 240)
+
+static void menuscr_vblank(void)
+{
+	int anm, frm;
+	unsigned int flags = SPR_SZ32 | SPR_HRECT | SPR_256COL;
+	void *src;
+
+	if(!running) return;
+
+	anm = (num_vbl++ >> 3) & 0xf;
+	frm = anm & 7;
+
+	if(anm >= 8) flags |= SPR_VFLIP;
+
+	spr_oam(0, 0, curspr[frm], cur_x - 16, cur_y - 8, flags);
+
+	src = menuscr_pixels + (gba_colors ? 160 : 117) * 240;
+	dma_copy32(3, MENU_COLOR_FBPTR, src, 16 * 240 / 4, 0);
 }