optimizations
[gbajam22] / src / gamescr.c
index 4f9f754..0e5c6f8 100644 (file)
@@ -52,14 +52,14 @@ static int gamescr_start(void)
 
        gba_setmode(4, DISPCNT_BG2 | DISPCNT_OBJ | DISPCNT_FB1);
 
-       vblperf_setcolor(1);
+       vblperf_setcolor(0);
 
        pos[0] = pos[1] = 256 << 16;
 
        if(!(vox = vox_create(512, 512, height_pixels, color_pixels))) {
                panic(get_pc(), "vox_create");
        }
-       vox_proj(vox, 45, 1, 250);
+       vox_proj(vox, 45, 10, 100);
 
        /* setup color image palette */
        for(i=0; i<192; i++) {
@@ -79,8 +79,6 @@ static int gamescr_start(void)
                gba_bgpal[cidx] = ((b << 7) & 0x7c00) | ((g << 2) & 0x3e0) | (r >> 3);
        }
 
-       /*select_input(BN_DPAD | BN_LT | BN_RT);*/
-
        nframes = 0;
        return 0;
 }
@@ -101,10 +99,10 @@ static void gamescr_frame(void)
        update();
        draw();
 
-       //vblperf_end();
+       vblperf_end();
        wait_vblank();
        present(backbuf);
-       //vblperf_begin();
+       vblperf_begin();
 }
 
 #define WALK_SPEED     0x40000
@@ -115,41 +113,42 @@ static void update(void)
        int32_t fwd[2], right[2];
        uint16_t input;
 
-       input = read_input();
-
-       if(input & BN_LT) angle += TURN_SPEED;
-       if(input & BN_RT) angle -= TURN_SPEED;
-
-       fwd[0] = -SIN(angle);
-       fwd[1] = COS(angle);
-       right[0] = fwd[1];
-       right[1] = -fwd[0];
-
-       if(input & BN_UP) {
-               pos[0] += fwd[0];
-               pos[1] += fwd[1];
+       if((input = read_input())) {
+
+               if(input & BN_LT) angle += TURN_SPEED;
+               if(input & BN_RT) angle -= TURN_SPEED;
+
+               fwd[0] = -SIN(angle);
+               fwd[1] = COS(angle);
+               right[0] = fwd[1];
+               right[1] = -fwd[0];
+
+               if(input & BN_UP) {
+                       pos[0] += fwd[0];
+                       pos[1] += fwd[1];
+               }
+               if(input & BN_DOWN) {
+                       pos[0] -= fwd[0];
+                       pos[1] -= fwd[1];
+               }
+               if(input & BN_RIGHT) {
+                       pos[0] += right[0];
+                       pos[1] += right[1];
+               }
+               if(input & BN_LEFT) {
+                       pos[0] -= right[0];
+                       pos[1] -= right[1];
+               }
+
+               vox_view(vox, pos[0], pos[1], -30, angle);
        }
-       if(input & BN_DOWN) {
-               pos[0] -= fwd[0];
-               pos[1] -= fwd[1];
-       }
-       if(input & BN_RIGHT) {
-               pos[0] += right[0];
-               pos[1] += right[1];
-       }
-       if(input & BN_LEFT) {
-               pos[0] -= right[0];
-               pos[1] -= right[1];
-       }
-
-       vox_view(vox, pos[0], pos[1], -30, angle);
 }
 
 static void draw(void)
 {
        vox_render(vox);
-       vox_sky_grad(vox, COLOR_HORIZON, COLOR_ZENITH);
-       //vox_sky_solid(vox, COLOR_ZENITH);
+       //vox_sky_grad(vox, COLOR_HORIZON, COLOR_ZENITH);
+       vox_sky_solid(vox, COLOR_ZENITH);
 }
 
 #ifdef BUILD_GBA