X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgamescr.c;h=7c027dc9aaede2a32a30ca61373fcc4abe746cd7;hb=d985165d0e156c785895a5272113ff477bebeeb8;hp=cacb40deafeafbe2ed837acb3a83222c07dae3ce;hpb=f57fab6afe62f2a476ef4afa1842c81722816451;p=gbajam22

diff --git a/src/gamescr.c b/src/gamescr.c
index cacb40d..7c027dc 100644
--- a/src/gamescr.c
+++ b/src/gamescr.c
@@ -6,64 +6,166 @@
 #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 "xgl.h"
+#include "polyfill.h"
 
+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 void draw(void);
-static void vblank(void);
+
+static struct screen gamescr = {
+	"game",
+	gamescr_start,
+	gamescr_stop,
+	gamescr_frame,
+	gamescr_vblank
+};
 
 static int nframes, num_vbl, backbuf;
-static uint16_t *vram[] = { (uint16_t*)VRAM_LFB_FB0_ADDR, (uint16_t*)VRAM_LFB_FB1_ADDR };
-static uint16_t bnstate;
+static uint16_t *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
+
+static const char *testlvl =
+	"################\n"
+	"################\n"
+	"################\n"
+	"################\n"
+	"################\n"
+	"#######   s#####\n"
+	"####### ########\n"
+	"#######    #####\n"
+	"######     #####\n"
+	"######     #####\n"
+	"######     #####\n"
+	"###### ### #####\n"
+	"###### ### #####\n"
+	"######     #####\n"
+	"######## #######\n"
+	"################\n"
+	"################\n"
+	"################\n"
+	"################\n"
+	"################\n";
+
+static struct xvertex tm_floor[] __attribute__((section(".rodata"))) = {
+	{0x10000, -0x10000, 0x10000,	0, 0x10000, 0,	210},
+	{-0x10000, -0x10000, 0x10000,	0, 0x10000, 0,	210},
+	{-0x10000, -0x10000, -0x10000,	0, 0x10000, 0,	210},
+	{0x10000, -0x10000, -0x10000,	0, 0x10000, 0,	210}
+};
+
 
+static struct level *lvl;
 
-void gamescr(void)
+static struct player player;
+
+
+struct screen *init_game_screen(void)
+{
+	return &gamescr;
+}
+
+static int gamescr_start(void)
 {
 	int i;
+	uint16_t *cmap;
+
+	gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
+
+	vblperf_setcolor(1);
+
+	lvl = init_level(testlvl);
 
-	REG_DISPCNT = 4 | DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1;
+	xgl_init();
 
-	vblperf_setcolor(0xff);//192);
+	init_player(&player, lvl);
+	player.phi = 0x100;
+
+	cmap = gba_bgpal;
+	*cmap++ = 0;
+	for(i=1; i<255; i++) {
+		*cmap++ = rand();
+	}
+	*cmap = 0xffff;
 
-	fillblock_16byte(vram[0], 0xffffffff, 240 * 160 / 16);
-	fillblock_16byte(vram[1], 0xffffffff, 240 * 160 / 16);
 
-	mask(INTR_VBLANK);
-	screen_vblank = vblank;
-	unmask(INTR_VBLANK);
+	select_input(BN_DPAD | BN_A | BN_B);
 
 	nframes = 0;
-	for(;;) {
-		backbuf = ++nframes & 1;
+	return 0;
+}
 
-		bnstate = ~REG_KEYINPUT;
+static void gamescr_stop(void)
+{
+}
+
+static void gamescr_frame(void)
+{
+	unsigned char *fb;
 
-		draw();
+	backbuf = ++nframes & 1;
+	fb = (unsigned char*)vram[backbuf];
 
-		vblperf_end();
-		wait_vblank();
-		present(backbuf);
-		vblperf_begin();
-	}
+	polyfill_framebuffer(fb, 240, 160);
+	fillblock_16byte(fb, 0, 240 * 160 / 16);
+
+	update();
+	draw();
+
+	vblperf_end();
+	wait_vblank();
+	present(backbuf);
+	vblperf_begin();
+}
+
+static void update(void)
+{
+	uint16_t bnstate;
+
+	bnstate = get_input();
+
+	player_input(&player, bnstate);
+
+	upd_vis(lvl, &player);
 }
 
 static void draw(void)
 {
-	int i, j;
-	uint16_t pix;
-	uint16_t *fb = vram[backbuf];
-
-	for(i=0; i<160; i++) {
-		for(j=0; j<240/2; j++) {
-			pix = ((i^j) << 1) & 0xff;
-			pix |= (i^j) << 9;
-			*fb++ = pix;
-		}
+	int i, x, y;
+	struct cell *cell;
+
+	xgl_load_identity();
+	/*xgl_translate(0, 0, 0x100000);*/
+	xgl_rotate_x(player.phi);
+	xgl_rotate_y(player.theta);
+	xgl_translate(player.x, 0, player.y);
+
+	for(i=0; i<lvl->numvis; i++) {
+		cell = lvl->vis[i];
+
+		x = (int32_t)(cell->x - player.cx) << 17;
+		y = -(int32_t)(cell->y - player.cy) << 17;
+
+		xgl_push_matrix();
+		xgl_translate(x, 0, y);
+		xgl_index(i + 1);
+		xgl_draw(XGL_QUADS, tm_floor, sizeof tm_floor / sizeof *tm_floor);
+		xgl_pop_matrix();
 	}
 }
 
+#ifdef BUILD_GBA
 __attribute__((noinline, target("arm"), section(".iwram")))
-static void vblank(void)
+#endif
+static void gamescr_vblank(void)
 {
 	num_vbl++;
 }