void logo()
{
glResetMatrixStack();
glMatrixMode(GL_PROJECTION);
gluPerspective(20, 256.0 / 192.0, 0.1, 40);
gluLookAt( 0.0, .55, 0.0 , //camera possition
0.0, 0.0, 0.0, //look at
0.0, 0.0, -1.0); //up
glLight(0, RGB15(31,31,31), 0, floattov10(1.0)-1, 0);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glMaterialf(GL_AMBIENT, RGB15(8,8,8));
glMaterialf(GL_DIFFUSE, RGB15(31,31,31));
glMaterialf(GL_SPECULAR, RGB15(31,31,31));
glMaterialf(GL_EMISSION, RGB15(8,8,8));
glMaterialShinyness();
glPolyFmt( POLY_ALPHA(31) | POLY_CULL_BACK | POLY_FORMAT_LIGHT0 );
glGenTextures(1, &logotex);
glBindTexture(0, logotex);
glTexImage2D(0, 0, GL_RGB, TEXTURE_SIZE_256 , TEXTURE_SIZE_256, 0, TEXGEN_TEXCOORD , (u8*)billkuker_bmp_bin);
glBindTexture(0, logotex);
glBegin(GL_QUAD);
glNormal(NORMAL_PACK(0,inttov10(1),0));
glTexCoord1i(TEXTURE_PACK(0,0));
glVertex3v16(floattov16(-0.5), floattov16(-0.5), floattov16(0.5) );
glTexCoord1i(TEXTURE_PACK(inttot16(256), inttot16(0)));
glVertex3v16(floattov16(0.5), floattov16(-0.5), floattov16(0.5) );
glTexCoord1i(TEXTURE_PACK(inttot16(256),inttot16(256)));
glVertex3v16(floattov16(0.5), floattov16(-0.5), floattov16(-0.5) );
glTexCoord1i(TEXTURE_PACK(0, inttot16(256)));
glVertex3v16(floattov16(-0.5), floattov16(-0.5), floattov16(-0.5) );
glEnd();
glFlush(0);
playGenericSound(down_raw, down_raw_size);
playGenericSound(up_raw, up_raw_size);
swiWaitForVBlank();
iprintf("Press any button");
while( !keysHeld() )
scanKeys();
glResetTextures();
iprintf("\x1b[2J");
}
int main() {
int textureID;
float rotateX = 0.0;
float rotateY = 0.0;
//set mode 0, enable BG0 and set it to 3D
videoSetMode(MODE_0_3D);
// initialize gl
glInit();
//enable textures
glEnable(GL_TEXTURE_2D);
// enable antialiasing
glEnable(GL_ANTIALIAS);
// setup the rear plane
glClearColor(0,0,0,31); // BG must be opaque for AA to work
glClearPolyID(63); // BG must have a unique polygon ID for AA to work
glClearDepth(0x7FFF);
//this should work the same as the normal gl call
glViewport(0,0,255,191);
vramSetBankA(VRAM_A_TEXTURE);
glGenTextures(1, &textureID);
glBindTexture(0, textureID);
glTexImage2D(0, 0, GL_RGB, TEXTURE_SIZE_128 , TEXTURE_SIZE_128, 0, TEXGEN_TEXCOORD, (u8*)texture_bin);
//any floating point gl call is being converted to fixed prior to being implemented
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(70, 256.0 / 192.0, 0.1, 40);
gluLookAt( 0.0, 0.0, 1.0, //camera possition
0.0, 0.0, 0.0, //look at
0.0, 1.0, 0.0); //up
while(1) {
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
//move it away from the camera
glTranslate3f32(0, 0, floattof32(-1));
glRotateX(rotateX);
glRotateY(rotateY);
glMaterialf(GL_AMBIENT, RGB15(16,16,16));
glMaterialf(GL_DIFFUSE, RGB15(16,16,16));
glMaterialf(GL_SPECULAR, BIT(15) | RGB15(8,8,8));
glMaterialf(GL_EMISSION, RGB15(16,16,16));
//ds uses a table for shinyness..this generates a half-ass one
glMaterialShinyness();
//not a real gl function and will likely change
glPolyFmt(POLY_ALPHA(31) | POLY_CULL_BACK);
scanKeys();
u16 keys = keysHeld();
if((keys & KEY_UP)) rotateX += 3;
if((keys & KEY_DOWN)) rotateX -= 3;
if((keys & KEY_LEFT)) rotateY += 3;
if((keys & KEY_RIGHT)) rotateY -= 3;
glBindTexture(0, textureID);
//draw the obj
glBegin(GL_QUAD);
glNormal(NORMAL_PACK(0,inttov10(-1),0));
GFX_TEX_COORD = (TEXTURE_PACK(0, inttot16(128)));
glVertex3v16(floattov16(-0.5), floattov16(-0.5), 0 );
GFX_TEX_COORD = (TEXTURE_PACK(inttot16(128),inttot16(128)));
glVertex3v16(floattov16(0.5), floattov16(-0.5), 0 );
GFX_TEX_COORD = (TEXTURE_PACK(inttot16(128), 0));
glVertex3v16(floattov16(0.5), floattov16(0.5), 0 );
GFX_TEX_COORD = (TEXTURE_PACK(0,0));
glVertex3v16(floattov16(-0.5), floattov16(0.5), 0 );
glEnd();
glPopMatrix(1);
glFlush(0);
swiWaitForVBlank();
}
return 0;
}//end main
