- fixed spritesheet conversion and setup

[gba_blender] / src / main.c

diff --git a/src/main.c b/src/main.c
index d5dc096..af2f6d3 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -26,18 +26,62 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #include "polyfill.h"
 #include "debug.h"
 #include "meshdata.h"
+#include "sprites.h"
+#include "dma.h"
+
+enum {
+       SIDX_DEL0, SIDX_DEL1, SIDX_DEL2,
+       SIDX_TIME,
+       SIDX_ICONS_BASE
+};
+
+enum {
+       SNAM_DEL0       = 512,
+       SNAM_DEL1       = SNAM_DEL0 + 8,
+       SNAM_DEL2       = SNAM_DEL1 + 8
+};
 
 #define MENU_HEIGHT            17
 #define TRACK_HEIGHT   18
 #define VP_HEIGHT              (160 - MENU_HEIGHT - TRACK_HEIGHT)
 
 static void handle_keys(void);
+static void show_msgbox(int en);
 
 extern struct { unsigned char r, g, b; } bgimg_cmap[];
 extern unsigned char bgimg_pixels[];
 
 static int32_t cam_theta = 0x10000, cam_phi = -0x8000;
 
+static int show_obj = 1, show_del;
+
+#define AXIS0  0x10000
+#define AXIS1  0x80000
+
+static struct xvertex gridaxes[] = {
+       {AXIS0, 0, 0,   0, 0, 0, 92},
+       {AXIS1, 0, 0,   0, 0, 0, 92},
+       {-AXIS0, 0, 0,  0, 0, 0, 92},
+       {-AXIS1, 0, 0,  0, 0, 0, 92},
+       {0, 0, AXIS0,   0, 0, 0, 93},
+       {0, 0, AXIS1,   0, 0, 0, 93},
+       {0, 0, -AXIS0,  0, 0, 0, 93},
+       {0, 0, -AXIS1,  0, 0, 0, 93},
+
+       {0, 0, 0,               0, 0, 0, 92},
+       {AXIS1, 0, 0,   0, 0, 0, 92},
+       {0, 0, 0,               0, 0, 0, 92},
+       {-AXIS1, 0, 0,  0, 0, 0, 92},
+       {0, 0, 0,               0, 0, 0, 93},
+       {0, 0, AXIS1,   0, 0, 0, 93},
+       {0, 0, -0,              0, 0, 0, 93},
+       {0, 0, -AXIS1,  0, 0, 0, 93},
+};
+
+#define MAX_SIDX       8
+static uint16_t oam[4 * MAX_SIDX];
+
+
 int main(void)
 {
        int i;
@@ -51,7 +95,7 @@ int main(void)
        set_intr();
 
        /* mode 4: 240x160 8bpp */
-       REG_DISPCNT = DISPCNT_BG2 | 4;
+       REG_DISPCNT = DISPCNT_BG2 | DISPCNT_OBJ | 4;
 
        fbptr[0] = (unsigned char*)VRAM_LFB_FB0_ADDR;
        fbptr[1] = (unsigned char*)VRAM_LFB_FB1_ADDR;
@@ -69,8 +113,10 @@ int main(void)
                r = i / 5 + 6;
                *cptr++ = r | (r << 5) | (r << 10);
        }
-       memcpy(fbptr[0], bgimg_pixels, 240 * 160);
-       memcpy(fbptr[1], bgimg_pixels, 240 * 160);
+       dma_copy16(3, fbptr[0], bgimg_pixels, 240 * 160 / 2, 0);
+       dma_copy16(3, fbptr[1], bgimg_pixels, 240 * 160 / 2, 0);
+
+       init_sprites();
 
        xgl_init();
        xgl_viewport(0, 0, 240, VP_HEIGHT);
@@ -78,6 +124,10 @@ int main(void)
 
        key_repeat(75, 75, KEY_LEFT | KEY_RIGHT | KEY_DOWN | KEY_UP);
 
+       /* every vblank, copy the shadow OAM automatically */
+       /*dma_copy16(3, (void*)OAM_ADDR, oam, sizeof oam / 2, DMACNT_VBLANK |
+                       DMACNT_REPEAT | DMACNT_INC_RELOAD);*/
+
        for(;;) {
                handle_keys();
 
@@ -85,17 +135,47 @@ int main(void)
 
                fb = fbptr[backbuf] + 240 * MENU_HEIGHT;
                polyfill_framebuffer(fb, 240, VP_HEIGHT);
-               memset(fb, 14, 240 * VP_HEIGHT);
+               //memset(fb, 14, 240 * VP_HEIGHT);
+               dma_fill16(3, fb, 0x0e0e, 240 * VP_HEIGHT / 2);
 
                xgl_load_identity();
                xgl_translate(0, 0, 8 << 16);
                xgl_rotate_x(cam_phi);
                xgl_rotate_y(cam_theta);
-//             xgl_draw(XGL_QUADS, cube, sizeof cube / sizeof *cube);
-               xgl_draw(XGL_TRIANGLES, suzanne, sizeof suzanne / sizeof *suzanne);
+
+               if(show_obj) {
+                       if(cam_theta < X_PI) {
+                               xgl_draw(XGL_LINES, gridaxes + 2, 2);   /* -X */
+                       } else {
+                               xgl_draw(XGL_LINES, gridaxes, 2);               /* +X */
+                       }
+                       if(cam_theta < X_HPI || cam_theta > (3 * X_HPI)) {
+                               xgl_draw(XGL_LINES, gridaxes + 4, 2);   /* +Z */
+                       } else {
+                               xgl_draw(XGL_LINES, gridaxes + 6, 2);   /* -Z */
+                       }
+                       if(show_obj == 1) {
+                               xgl_draw(XGL_QUADS, cube, sizeof cube / sizeof *cube);
+                       } else {
+                               xgl_draw(XGL_TRIANGLES, suzanne, sizeof suzanne / sizeof *suzanne);
+                       }
+                       if(cam_theta < X_PI) {
+                               xgl_draw(XGL_LINES, gridaxes, 2);               /* +X */
+                       } else {
+                               xgl_draw(XGL_LINES, gridaxes + 2, 2);   /* -X */
+                       }
+                       if(cam_theta < X_HPI || cam_theta > (3 * X_HPI)) {
+                               xgl_draw(XGL_LINES, gridaxes + 6, 2);   /* -Z */
+                       } else {
+                               xgl_draw(XGL_LINES, gridaxes + 4, 2);   /* +Z */
+                       }
+               } else {
+                       xgl_draw(XGL_LINES, gridaxes + 8, 8);
+               }
 
                wait_vblank();
                present(backbuf);
+               dma_copy16(3, (void*)OAM_ADDR, oam, sizeof oam / 2, 0);
        }
 
        return 0;
@@ -115,8 +195,47 @@ static void handle_keys(void)
        }
        if(KEYPRESS(KEY_LEFT)) {
                cam_theta += 0x2000;
+               if(cam_theta > X_2PI) cam_theta -= X_2PI;
        }
        if(KEYPRESS(KEY_RIGHT)) {
                cam_theta -= 0x2000;
+               if(cam_theta < 0) cam_theta += X_2PI;
+       }
+       if(KEYPRESS(KEY_RT)) {
+               if(++show_obj > 2) show_obj = 0;
+       }
+       if(KEYPRESS(KEY_LT)) {
+               if(--show_obj < 0) show_obj = 2;
+       }
+
+       if(KEYPRESS(KEY_A)) {
+               if(!show_del) {
+                       if(show_obj) show_del = 1;
+               } else {
+                       show_del = 0;
+               }
+               show_msgbox(show_del);
+       }
+       if(KEYPRESS(KEY_B)) {
+               if(show_del) {
+                       show_obj = 0;
+                       show_del = 0;
+                       show_msgbox(0);
+               }
+       }
+}
+
+static void show_msgbox(int en)
+{
+       int i;
+
+       if(en) {
+               for(i=0; i<3; i++) {
+                       set_sprite(oam, SIDX_DEL0 + i, SNAM_DEL0 + i * 8, 42 + i * 64, 42, 0, SPR_SZ64);
+               }
+       } else {
+               for(i=0; i<3; i++) {
+                       set_sprite(oam, SIDX_DEL0 + i, 0, 0, 0, 0, 0);
+               }
        }
 }