X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgamescr.c;h=7c027dc9aaede2a32a30ca61373fcc4abe746cd7;hb=d985165d0e156c785895a5272113ff477bebeeb8;hp=5a2347de4fc6a4c28601267ce3f83a8890a2e79a;hpb=5d7112b5fad9e69a556898a705eeef2307bb83d9;p=gbajam22

diff --git a/src/gamescr.c b/src/gamescr.c
index 5a2347d..7c027dc 100644
--- a/src/gamescr.c
+++ b/src/gamescr.c
@@ -7,32 +7,53 @@
 #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 *vram[] = { gba_vram_lfb0, gba_vram_lfb1 };
 
 static const char *testlvl =
-	"########\n"
-	"###   s#\n"
-	"### ####\n"
-	"###    #\n"
-	"##     #\n"
-	"##     #\n"
-	"##     #\n"
-	"## ### #\n"
-	"## ### #\n"
-	"##     #\n"
-	"#### ###\n"
-	"########\n";
+	"################\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},
@@ -47,43 +68,62 @@ static struct level *lvl;
 static struct player player;
 
 
-void gamescr(void)
+struct screen *init_game_screen(void)
 {
-	unsigned char *fb;
+	return &gamescr;
+}
+
+static int gamescr_start(void)
+{
+	int i;
+	uint16_t *cmap;
 
-	REG_DISPCNT = 4 | DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1;
+	gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
 
-	vblperf_setcolor(0xff);
+	vblperf_setcolor(1);
 
 	lvl = init_level(testlvl);
 
 	xgl_init();
 
-	memset(&player, 0, sizeof player);
-	player.y = 0x60000;
+	init_player(&player, lvl);
+	player.phi = 0x100;
 
-	select_input(BN_DPAD | BN_A | BN_B);
+	cmap = gba_bgpal;
+	*cmap++ = 0;
+	for(i=1; i<255; i++) {
+		*cmap++ = rand();
+	}
+	*cmap = 0xffff;
 
-	mask(INTR_VBLANK);
-	screen_vblank = vblank;
-	unmask(INTR_VBLANK);
+
+	select_input(BN_DPAD | BN_A | BN_B);
 
 	nframes = 0;
-	for(;;) {
-		backbuf = ++nframes & 1;
-		fb = (unsigned char*)vram[backbuf];
+	return 0;
+}
 
-		polyfill_framebuffer(fb, 240, 160);
-		fillblock_16byte(fb, 0, 240 * 160 / 16);
+static void gamescr_stop(void)
+{
+}
+
+static void gamescr_frame(void)
+{
+	unsigned char *fb;
 
-		update();
-		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)
@@ -94,21 +134,38 @@ static void update(void)
 
 	player_input(&player, bnstate);
 
-	upd_vis(lvl, player.x, player.y, player.theta);
+	upd_vis(lvl, &player);
 }
 
 static void draw(void)
 {
+	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);
 
-	xgl_draw(XGL_QUADS, tm_floor, sizeof tm_floor / sizeof *tm_floor);
+	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++;
 }