/*
=============================
Textured Quad Render Function
=============================
*/
void PS2TexQuad::Render( void ) const {
VIFDynamicDMA.StartDirect();
/* Add the GIFTag */
VIFDynamicDMA.Add128( GS_GIFTAG_BATCH( mNumOfVerts, // NLOOP
1, // EOP
1, // PRE
GS_PRIM( PRIM_TRI_STRIP, // PRIM
PRIM_IIP_FLAT,
PRIM_TME_ON,
PRIM_FGE_OFF,
PRIM_ABE_ON,
PRIM_AA1_OFF,
PRIM_FST_UV,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA ),
GIF_FLG_PACKED, // FLG
GS_BATCH_3( GIF_REG_RGBAQ,
GIF_REG_UV,
GIF_REG_XYZ2 ) ) ); // BATCH
for( int i = 0; i < mNumOfVerts; i++ ) {
/* Add the colour */
VIFDynamicDMA.Add128( PACKED_RGBA( pVertColours[ i ].mR, pVertColours[ i ].mG, pVertColours[ i ].mB, pVertColours[ i ].mA ) );
/* Add UV texture coordinates */
VIFDynamicDMA.Add128( PACKED_UV( ( ( ( int )pTexVerts[ i ].x ) << 4 ), ( ( ( int )pTexVerts[ i ] .y ) << 4 ) ) );
/* Add the position */
VIFDynamicDMA.Add128( PACKED_XYZ2( ( int )( ( 2048.0f + mX + pVerts[ i ].x ) * 16.0f ),
( int )( ( 2048.0f + mY + pVerts[ i ].y ) * 16.0f ),
( int )mZ,
0 ) );
}
VIFDynamicDMA.EndDirect();
}
// Load the cube data into static DMA memory
void Cube::LoadCubeData(void)
{
// Check if data already loaded - return if it is.
// We only need the cube data loaded once.
if(Cube::iStaticAddr)return;
const int iDraw = 0;
const int iDontDraw = 1;
const float fDraw = *((float *)&iDraw);
const float fDontDraw = *((float *)&iDontDraw);
printf("Loading Cube Data\n");
// Get the address of static data that we can call to later.
Cube::iStaticAddr = VIFStaticDMA.GetPointer();
VIFStaticDMA.Add32(FLUSH); // Make sure VU1 isn't busy
VIFStaticDMA.Add32(STCYCL(1,1)); // Unpack linearly, i.e. don't skip any spaces
VIFStaticDMA.Add32(BASE(32)); // The double buffers start at VU1 address 32 (giving us 32 QW to store data that won't change)
VIFStaticDMA.Add32(OFFSET(496)); // The size of each buffer.
// The first face draws two triangle
// Next faces draw four triangles
// Five triangles needed for last face
// Some triangles are "zero" area and will be culled by GS
int iTriangles = 12;
int iVerts = iTriangles * 3;
// We want to unpack 3 quad words of misc data, and then 3QW per vertex starting at
// VU mem location 32 (we will upload the matrices to the first 16QW per frame).
VIFStaticDMA.AddUnpack(V4_32, 0, 2 + iVerts * 3, 1);
// VU32 iVerts is in position "x" LSWord of the qword
VIFStaticDMA.Add128(iVerts*3);
// Add the GIFTag VU33
VIFStaticDMA.Add128(GS_GIFTAG_BATCH( iVerts, // NLOOP
1, // EOP
1, // PRE
GS_PRIM(PRIM_TRI, // PRIM
PRIM_IIP_GOURAUD,
PRIM_TME_ON,
PRIM_FGE_OFF,
PRIM_ABE_ON,
PRIM_AA1_OFF,
PRIM_FST_STQ,
PRIM_CTXT_CONTEXT1,
PRIM_FIX_NOFIXDDA),
GIF_FLG_PACKED, // FLG
GS_BATCH_3( GIF_REG_ST,
GIF_REG_RGBAQ, // BATCH
GIF_REG_XYZ2)));
// Front face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0, 1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, 1.0f, 1.0f)); // Vert (xyzw)
// Right face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Back face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, 0)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, fDraw)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4( 0, 0,-1, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Left face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(-1, 0, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Top face
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, 1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, 1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Bottom face
VIFStaticDMA.AddVector(Vector4(0, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(0, 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f,-1.0f, 1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1, 0, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
VIFStaticDMA.AddVector(Vector4(1 , 1, 1, fDraw)); // TexCoord (STQ)
VIFStaticDMA.AddVector(Vector4(0, -1, 0, 0)); // Normal
VIFStaticDMA.AddVector(Vector4(-1.0f, -1.0f, -1.0f, 1.0f)); // Vert (xyzw)
// Flush to make sure VU1 isn't doing anything.
VIFStaticDMA.Add32(FLUSH);
// Then run the microcode.
VIFStaticDMA.Add32(MSCALL(0));
// Return back to the dynamic chain (note that we aren't aligned on a QWORD boundary, but
// it doesn't matter because the packet class will sort that out for us).
VIFStaticDMA.DMARet();
}