Esempio n. 1
0
void glTranslatef( GLfloat x, GLfloat y, GLfloat z ) {
	Mtx temp;

	guMtxIdentity(temp);
	guMtxTrans(temp, x, y, z);	
	guMtxConcat(model,temp,model);
}
void Util3D::Trans(f32 xpos, f32 ypos)
{
	Mtx Matrix, Final;
	guMtxIdentity(Matrix);
	guMtxTrans(Matrix,xpos, ypos, 0 );	// Position
	guMtxConcat(Singleton<WiiManager>::GetInstanceByRef().GetCamera()->GetcameraMatrix(),Matrix,Final);
	GX_LoadPosMtxImm (Final, GX_PNMTX0); 
}
Esempio n. 3
0
void
skybox_set_matrices (scene_info *scene, Mtx camera, skybox_info *skybox,
		     Mtx projection, u32 projection_type)
{
  Mtx offset_mtx;
  Mtx sep_scale;
  
  guMtxTrans (offset_mtx, scene->pos.x / skybox->radius,
	      scene->pos.y / skybox->radius, scene->pos.z / skybox->radius);
  guMtxScale (sep_scale, skybox->radius, skybox->radius, skybox->radius);

  object_set_matrices (scene, &skybox->skybox_loc, camera, offset_mtx,
		       sep_scale, projection, projection_type);
}
Esempio n. 4
0
//---------------------------------------------------------------------------------
int main( int argc, char **argv ){
//---------------------------------------------------------------------------------
	f32 yscale;

	u32 xfbHeight;

	// various matrices for things like view
	Mtx	view,mv,mr;
	Mtx44 perspective;

	// the texure we're going to paint
	GXTexObj texture;
	TPLFile mudTPL;

	u32	fb = 0; 	// initial framebuffer index
	GXColor background = {0, 0, 0, 0xff};

	// init the vi.
	VIDEO_Init();

	rmode = VIDEO_GetPreferredMode(NULL);
	WPAD_Init();
	
	// allocate 2 framebuffers for double buffering
	frameBuffer[0] = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
	frameBuffer[1] = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));

	// configure video and wait for the screen to blank
	VIDEO_Configure(rmode);
	VIDEO_SetNextFramebuffer(frameBuffer[fb]);
	VIDEO_SetBlack(FALSE);
	VIDEO_Flush();
	VIDEO_WaitVSync();
	if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();

	// setup the fifo...
	void *gp_fifo = NULL;
	gp_fifo = memalign(32,DEFAULT_FIFO_SIZE);
	memset(gp_fifo,0,DEFAULT_FIFO_SIZE);
 
	// ...then init the flipper
	GX_Init(gp_fifo,DEFAULT_FIFO_SIZE);
 
	// clears the bg to color and clears the z buffer
	GX_SetCopyClear(background, 0x00ffffff);
 
	// other gx setup
	GX_SetViewport(0,0,rmode->fbWidth,rmode->efbHeight,0,1);
	yscale = GX_GetYScaleFactor(rmode->efbHeight,rmode->xfbHeight);
	xfbHeight = GX_SetDispCopyYScale(yscale);
	GX_SetScissor(0,0,rmode->fbWidth,rmode->efbHeight);
	GX_SetDispCopySrc(0,0,rmode->fbWidth,rmode->efbHeight);
	GX_SetDispCopyDst(rmode->fbWidth,xfbHeight);
	GX_SetCopyFilter(rmode->aa,rmode->sample_pattern,GX_TRUE,rmode->vfilter);
	GX_SetFieldMode(rmode->field_rendering,((rmode->viHeight==2*rmode->xfbHeight)?GX_ENABLE:GX_DISABLE));
 
 	if (rmode->aa)
        GX_SetPixelFmt(GX_PF_RGB565_Z16, GX_ZC_LINEAR);
    else
        GX_SetPixelFmt(GX_PF_RGB8_Z24, GX_ZC_LINEAR);
		
	GX_SetCullMode(GX_CULL_NONE);
	GX_CopyDisp(frameBuffer[fb],GX_TRUE);
	GX_SetDispCopyGamma(GX_GM_1_0);

	// setup the vertex attribute table
	// describes the data
	// args: vat location 0-7, type of data, data format, size, scale
	// so for ex. in the first call we are sending position data with
	// 3 values X,Y,Z of size F32. scale sets the number of fractional
	// bits for non float data.
    GX_InvVtxCache();
	GX_ClearVtxDesc();
	GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
	GX_SetVtxDesc(GX_VA_NRM, GX_DIRECT);
	GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);

	GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
	GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_NRM, GX_NRM_XYZ, GX_F32, 0);
	GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_F32, 0);

	// setup texture coordinate generation
	// args: texcoord slot 0-7, matrix type, source to generate texture coordinates from, matrix to use
	GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX3x4, GX_TG_TEX0, GX_IDENTITY);

	f32 w = rmode->viWidth;
	f32 h = rmode->viHeight;
	guLightPerspective(mv,45, (f32)w/h, 1.05F, 1.0F, 0.0F, 0.0F);
    guMtxTrans(mr, 0.0F, 0.0F, -1.0F);
    guMtxConcat(mv, mr, mv);
    GX_LoadTexMtxImm(mv, GX_TEXMTX0, GX_MTX3x4);

	GX_InvalidateTexAll();
	TPL_OpenTPLFromMemory(&mudTPL, (void *)mud_tpl,mud_tpl_size);
	TPL_GetTexture(&mudTPL,mud,&texture);
 
	// setup our camera at the origin
	// looking down the -z axis with y up
	guVector cam = {0.0F, 0.0F, 0.0F},
			up = {0.0F, 1.0F, 0.0F},
		  look = {0.0F, 0.0F, -1.0F};
	guLookAt(view, &cam, &up, &look);
 

	// setup our projection matrix
	// this creates a perspective matrix with a view angle of 90,
	// and aspect ratio based on the display resolution
	guPerspective(perspective, 45, (f32)w/h, 0.1F, 300.0F);
	GX_LoadProjectionMtx(perspective, GX_PERSPECTIVE);

	// get the room ready to render
	SetupWorld();
 
	while(1) {

		WPAD_ScanPads();

		s8 tpad = PAD_StickX(0);
		// Rotate left or right.
		if ((tpad < -8) || (tpad > 8)) yrot -= (float)tpad / 50.f;

		// NOTE: walkbiasangle = head bob
		tpad = PAD_StickY(0);
		// Go forward.
		if(tpad > 50) {
			xpos -= (float)sin(DegToRad(yrot)) * 0.05f; // Move on the x-plane based on player direction
			zpos -= (float)cos(DegToRad(yrot)) * 0.05f; // Move on the z-plane based on player direction
			if (walkbiasangle >= 359.0f) walkbiasangle = 0.0f; // Bring walkbiasangle back around
			else walkbiasangle += 10; // if walkbiasangle < 359 increase it by 10
			walkbias = (float)sin(DegToRad(walkbiasangle))/20.0f;
		}

		// Go backward
		if(tpad < -50) {
			xpos += (float)sin(DegToRad(yrot)) * 0.05f;
			zpos += (float)cos(DegToRad(yrot)) * 0.05f;
			if (walkbiasangle <= 1.0f) walkbiasangle = 359.0f;
			else walkbiasangle -= 10;
			walkbias = (float)sin(DegToRad(walkbiasangle))/20.0f;
		}

		tpad = PAD_SubStickY(0);
		// Tilt up/down
		if (((tpad > 8) || (tpad < -8)) && ((90 >= lookupdown) && (lookupdown >= -90))) {
			zdepth -= ((f32)tpad * 0.01f);
			lookupdown -= ((f32)tpad * 0.01f);
			if (lookupdown > 90)  lookupdown = 90.0F;
			if (lookupdown < -90) lookupdown = -90.0F;
		}

		if ( PAD_ButtonsDown(0) & PAD_BUTTON_START) {
			exit(0);
		}

		// do this before drawing
		GX_SetViewport(0,0,rmode->fbWidth,rmode->efbHeight,0,1);

		//set number of textures to generate
		GX_SetNumTexGens(1);

		// Draw things
		DrawScene(view,texture);

		GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
		GX_SetColorUpdate(GX_TRUE);
		GX_CopyDisp(frameBuffer[fb],GX_TRUE);

		// do this stuff after drawing
		GX_DrawDone();
		
		fb ^= 1; // flip framebuffer

		VIDEO_SetNextFramebuffer(frameBuffer[fb]);
 
		VIDEO_Flush();
 
		VIDEO_WaitVSync();


	}
	return 0;
}