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[gbajam22] / src / gamescr.c

diff --git a/src/gamescr.c b/src/gamescr.c
index cacb40d..3b15a4a 100644 (file)
--- a/src/gamescr.c
+++ b/src/gamescr.c
@@ -8,25 +8,82 @@
 #include "input.h"
 #include "sprite.h"
 #include "debug.h"
+#include "level.h"
+#include "xgl.h"
+#include "polyfill.h"
 
+static void update(void);
 static void draw(void);
 static void vblank(void);
 
 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 const char *testlvl =
+       "########\n"
+       "###   s#\n"
+       "### ####\n"
+       "###    #\n"
+       "##     #\n"
+       "##     #\n"
+       "##     #\n"
+       "## ### #\n"
+       "## ### #\n"
+       "##     #\n"
+       "#### ###\n"
+       "########\n";
+
+static struct xvertex cube[] __attribute__((section(".rodata"))) = {
+       /* front */
+       {-0x10000, -0x10000, -0x10000,  0, 0, -0x10000, 255},
+       {0x10000, -0x10000, -0x10000,   0, 0, -0x10000, 255},
+       {0x10000, 0x10000, -0x10000,    0, 0, -0x10000, 255},
+       {-0x10000, 0x10000, -0x10000,   0, 0, -0x10000, 255},
+       /* right */
+       {0x10000, -0x10000, -0x10000,   0x10000, 0, 0,  128},
+       {0x10000, -0x10000, 0x10000,    0x10000, 0, 0,  128},
+       {0x10000, 0x10000, 0x10000,             0x10000, 0, 0,  128},
+       {0x10000, 0x10000, -0x10000,    0x10000, 0, 0,  128},
+       /* back */
+       {0x10000, -0x10000, 0x10000,    0, 0, 0x10000,  200},
+       {-0x10000, -0x10000, 0x10000,   0, 0, 0x10000,  200},
+       {-0x10000, 0x10000, 0x10000,    0, 0, 0x10000,  200},
+       {0x10000, 0x10000, 0x10000,             0, 0, 0x10000,  200},
+       /* left */
+       {-0x10000, -0x10000, 0x10000,   -0x10000, 0, 0, 192},
+       {-0x10000, -0x10000, -0x10000,  -0x10000, 0, 0, 192},
+       {-0x10000, 0x10000, -0x10000,   -0x10000, 0, 0, 192},
+       {-0x10000, 0x10000, 0x10000,    -0x10000, 0, 0, 192},
+       /* top */
+       {-0x10000, 0x10000, -0x10000,   0, 0x10000, 0,  150},
+       {0x10000, 0x10000, -0x10000,    0, 0x10000, 0,  150},
+       {0x10000, 0x10000, 0x10000,             0, 0x10000, 0,  150},
+       {-0x10000, 0x10000, 0x10000,    0, 0x10000, 0,  150},
+       /* bottom */
+       {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;
+
+static int32_t cam_theta, cam_phi;
 
 void gamescr(void)
 {
-       int i;
+       unsigned char *fb;
 
        REG_DISPCNT = 4 | DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1;
 
-       vblperf_setcolor(0xff);//192);
+       vblperf_setcolor(0xff);
+
+       lvl = init_level(testlvl);
 
-       fillblock_16byte(vram[0], 0xffffffff, 240 * 160 / 16);
-       fillblock_16byte(vram[1], 0xffffffff, 240 * 160 / 16);
+       xgl_init();
+
+       select_input(BN_DPAD);
 
        mask(INTR_VBLANK);
        screen_vblank = vblank;
@@ -35,9 +92,12 @@ void gamescr(void)
        nframes = 0;
        for(;;) {
                backbuf = ++nframes & 1;
+               fb = (unsigned char*)vram[backbuf];
 
-               bnstate = ~REG_KEYINPUT;
+               polyfill_framebuffer(fb, 240, 160);
+               fillblock_16byte(fb, 0, 240 * 160 / 16);
 
+               update();
                draw();
 
                vblperf_end();
@@ -47,19 +107,39 @@ void gamescr(void)
        }
 }
 
-static void draw(void)
+static void update(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;
-               }
+       uint16_t bnstate;
+
+       bnstate = get_input();
+
+       if(bnstate & KEY_UP) {
+               cam_phi += 0x2000;
+               if(cam_phi > X_HPI) cam_phi = X_HPI;
        }
+       if(bnstate & KEY_DOWN) {
+               cam_phi -= 0x2000;
+               if(cam_phi < -X_HPI) cam_phi = -X_HPI;
+       }
+       if(bnstate & KEY_LEFT) {
+               cam_theta += 0x2000;
+               if(cam_theta > X_2PI) cam_theta -= X_2PI;
+       }
+       if(bnstate & KEY_RIGHT) {
+               cam_theta -= 0x2000;
+               if(cam_theta < X_2PI) cam_theta += X_2PI;
+       }
+}
+
+static void draw(void)
+{
+       xgl_load_identity();
+       //xgl_translate(0, -0x50000, 0);
+       xgl_translate(0, 0, 0x80000);
+       xgl_rotate_x(cam_phi);
+       xgl_rotate_y(cam_theta);
+
+       xgl_draw(XGL_QUADS, cube, sizeof cube / sizeof *cube);
 }
 
 __attribute__((noinline, target("arm"), section(".iwram")))