/*
=============
SetColor
=============
*/
void idGuiModel::SetColor( float r, float g, float b, float a ) {
if ( !glConfig.isInitialized ) {
return;
}
if ( r == surf->color[0] && g == surf->color[1]
&& b == surf->color[2] && a == surf->color[3] ) {
return; // no change
}
if ( surf->numVerts ) {
AdvanceSurf();
}
// change the parms
surf->color[0] = r;
surf->color[1] = g;
surf->color[2] = b;
surf->color[3] = a;
// ---> sikk - pass shader parms to GUI model for post FX
// keep respective color and shaderParms equal
for ( int i = 0; i < 4; i++ ) {
surf->shaderParms[ i ] = surf->color[ i ];
}
// <--- sikk - pass shader parms to GUI model for post FX
}
/*
=============
AllocTris
=============
*/
idDrawVert * idGuiModel::AllocTris( int vertCount, const triIndex_t * tempIndexes, int indexCount, const idMaterial * material, const uint64 glState, const stereoDepthType_t stereoType ) {
if ( material == NULL ) {
return NULL;
}
if ( numIndexes + indexCount > MAX_INDEXES ) {
static int warningFrame = 0;
if ( warningFrame != tr.frameCount ) {
warningFrame = tr.frameCount;
idLib::Warning( "idGuiModel::AllocTris: MAX_INDEXES exceeded" );
}
return NULL;
}
if ( numVerts + vertCount > MAX_VERTS ) {
static int warningFrame = 0;
if ( warningFrame != tr.frameCount ) {
warningFrame = tr.frameCount;
idLib::Warning( "idGuiModel::AllocTris: MAX_VERTS exceeded" );
}
return NULL;
}
// break the current surface if we are changing to a new material or we can't
// fit the data into our allocated block
if ( material != surf->material || glState != surf->glState || stereoType != surf->stereoType ) {
if ( surf->numIndexes ) {
AdvanceSurf();
}
surf->material = material;
surf->glState = glState;
surf->stereoType = stereoType;
}
int startVert = numVerts;
int startIndex = numIndexes;
numVerts += vertCount;
numIndexes += indexCount;
surf->numIndexes += indexCount;
if ( ( startIndex & 1 ) || ( indexCount & 1 ) ) {
// slow for write combined memory!
// this should be very rare, since quads are always an even index count
for ( int i = 0; i < indexCount; i++ ) {
indexPointer[startIndex + i] = startVert + tempIndexes[i];
}
} else {
for ( int i = 0; i < indexCount; i += 2 ) {
WriteIndexPair( indexPointer + startIndex + i, startVert + tempIndexes[i], startVert + tempIndexes[i+1] );
}
}
return vertexPointer + startVert;
}
/*
=============
SetColor
=============
*/
void idGuiModel::SetColor( float r, float g, float b, float a ) {
if( !glConfig.isInitialized ) {
return;
}
if( r == surf->color[0] && g == surf->color[1]
&& b == surf->color[2] && a == surf->color[3] ) {
return; // no change
}
if( surf->numVerts ) {
AdvanceSurf();
}
// change the parms
surf->color[0] = r;
surf->color[1] = g;
surf->color[2] = b;
surf->color[3] = a;
}
/*
=============
SetShaderParm
=============
*/
void idGuiModel::SetShaderParm( int parm, float value ) {
if ( !glConfig.isInitialized ) {
return;
}
if ( surf->shaderParms[ parm ] == value ) {
return; // no change
}
if ( surf->numVerts ) {
AdvanceSurf();
}
// change the parm
surf->shaderParms[ parm ] = value;
// keep respective color and shaderParms equal
if ( parm >= 0 && parm < 4 ) {
surf->color[ parm ] = value;
}
}
/*
================
idGuiModel::Clear
Begins collecting draw commands into surfaces
================
*/
void idGuiModel::Clear()
{
surfaces.SetNum( 0 );
AdvanceSurf();
}
/*
=============
DrawStretchTri
x/y/w/h are in the 0,0 to 640,480 range
=============
*/
void idGuiModel::DrawStretchTri( idVec2 p1, idVec2 p2, idVec2 p3, idVec2 t1, idVec2 t2, idVec2 t3, const idMaterial *material ) {
idDrawVert tempVerts[3];
glIndex_t tempIndexes[3];
int vertCount = 3;
int indexCount = 3;
if ( !glConfig.isInitialized ) {
return;
}
if ( !material ) {
return;
}
tempIndexes[0] = 1;
tempIndexes[1] = 0;
tempIndexes[2] = 2;
tempVerts[0].xyz[0] = p1.x;
tempVerts[0].xyz[1] = p1.y;
tempVerts[0].xyz[2] = 0;
tempVerts[0].st[0] = t1.x;
tempVerts[0].st[1] = t1.y;
tempVerts[0].normal[0] = 0;
tempVerts[0].normal[1] = 0;
tempVerts[0].normal[2] = 1;
tempVerts[0].tangents[0][0] = 1;
tempVerts[0].tangents[0][1] = 0;
tempVerts[0].tangents[0][2] = 0;
tempVerts[0].tangents[1][0] = 0;
tempVerts[0].tangents[1][1] = 1;
tempVerts[0].tangents[1][2] = 0;
tempVerts[1].xyz[0] = p2.x;
tempVerts[1].xyz[1] = p2.y;
tempVerts[1].xyz[2] = 0;
tempVerts[1].st[0] = t2.x;
tempVerts[1].st[1] = t2.y;
tempVerts[1].normal[0] = 0;
tempVerts[1].normal[1] = 0;
tempVerts[1].normal[2] = 1;
tempVerts[1].tangents[0][0] = 1;
tempVerts[1].tangents[0][1] = 0;
tempVerts[1].tangents[0][2] = 0;
tempVerts[1].tangents[1][0] = 0;
tempVerts[1].tangents[1][1] = 1;
tempVerts[1].tangents[1][2] = 0;
tempVerts[2].xyz[0] = p3.x;
tempVerts[2].xyz[1] = p3.y;
tempVerts[2].xyz[2] = 0;
tempVerts[2].st[0] = t3.x;
tempVerts[2].st[1] = t3.y;
tempVerts[2].normal[0] = 0;
tempVerts[2].normal[1] = 0;
tempVerts[2].normal[2] = 1;
tempVerts[2].tangents[0][0] = 1;
tempVerts[2].tangents[0][1] = 0;
tempVerts[2].tangents[0][2] = 0;
tempVerts[2].tangents[1][0] = 0;
tempVerts[2].tangents[1][1] = 1;
tempVerts[2].tangents[1][2] = 0;
// break the current surface if we are changing to a new material
if ( material != surf->material ) {
if ( surf->numVerts ) {
AdvanceSurf();
}
const_cast<idMaterial *>(material)->EnsureNotPurged(); // in case it was a gui item started before a level change
surf->material = material;
}
int numVerts = verts.Num();
int numIndexes = indexes.Num();
verts.AssureSize( numVerts + vertCount );
indexes.AssureSize( numIndexes + indexCount );
surf->numVerts += vertCount;
surf->numIndexes += indexCount;
for ( int i = 0; i < indexCount; i++ ) {
indexes[numIndexes + i] = numVerts + tempIndexes[i] - surf->firstVert;
}
memcpy( &verts[numVerts], tempVerts, vertCount * sizeof( verts[0] ) );
}
/*
================
idGuiModel::Clear
Begins collecting draw commands into surfaces
================
*/
void idGuiModel::Clear() {
surfaces.SetNum( 0, false );
indexes.SetNum( 0, false );
verts.SetNum( 0, false );
AdvanceSurf();
}
/*
=============
DrawStretchPic
=============
*/
void idGuiModel::DrawStretchPic( const idDrawVert *dverts, const glIndex_t *dindexes, int vertCount, int indexCount, const idMaterial *hShader,
bool clip, float min_x, float min_y, float max_x, float max_y ) {
if ( !glConfig.isInitialized ) {
return;
}
if ( !( dverts && dindexes && vertCount && indexCount && hShader ) ) {
return;
}
// break the current surface if we are changing to a new material
if ( hShader != surf->material ) {
if ( surf->numVerts ) {
AdvanceSurf();
}
const_cast<idMaterial *>(hShader)->EnsureNotPurged(); // in case it was a gui item started before a level change
surf->material = hShader;
}
// add the verts and indexes to the current surface
if ( clip ) {
int i, j;
// FIXME: this is grim stuff, and should be rewritten if we have any significant
// number of guis asking for clipping
idFixedWinding w;
for ( i = 0; i < indexCount; i += 3 ) {
w.Clear();
w.AddPoint(idVec5(dverts[dindexes[i]].xyz.x, dverts[dindexes[i]].xyz.y, dverts[dindexes[i]].xyz.z, dverts[dindexes[i]].st.x, dverts[dindexes[i]].st.y));
w.AddPoint(idVec5(dverts[dindexes[i+1]].xyz.x, dverts[dindexes[i+1]].xyz.y, dverts[dindexes[i+1]].xyz.z, dverts[dindexes[i+1]].st.x, dverts[dindexes[i+1]].st.y));
w.AddPoint(idVec5(dverts[dindexes[i+2]].xyz.x, dverts[dindexes[i+2]].xyz.y, dverts[dindexes[i+2]].xyz.z, dverts[dindexes[i+2]].st.x, dverts[dindexes[i+2]].st.y));
for ( j = 0; j < 3; j++ ) {
if ( w[j].x < min_x || w[j].x > max_x ||
w[j].y < min_y || w[j].y > max_y ) {
break;
}
}
if ( j < 3 ) {
idPlane p;
p.Normal().y = p.Normal().z = 0.0f; p.Normal().x = 1.0f; p.SetDist( min_x );
w.ClipInPlace( p );
p.Normal().y = p.Normal().z = 0.0f; p.Normal().x = -1.0f; p.SetDist( -max_x );
w.ClipInPlace( p );
p.Normal().x = p.Normal().z = 0.0f; p.Normal().y = 1.0f; p.SetDist( min_y );
w.ClipInPlace( p );
p.Normal().x = p.Normal().z = 0.0f; p.Normal().y = -1.0f; p.SetDist( -max_y );
w.ClipInPlace( p );
}
int numVerts = verts.Num();
verts.SetNum( numVerts + w.GetNumPoints(), false );
for ( j = 0 ; j < w.GetNumPoints() ; j++ ) {
idDrawVert *dv = &verts[numVerts+j];
dv->xyz.x = w[j].x;
dv->xyz.y = w[j].y;
dv->xyz.z = w[j].z;
dv->st.x = w[j].s;
dv->st.y = w[j].t;
dv->normal.Set(0, 0, 1);
dv->tangents[0].Set(1, 0, 0);
dv->tangents[1].Set(0, 1, 0);
}
surf->numVerts += w.GetNumPoints();
for ( j = 2; j < w.GetNumPoints(); j++ ) {
indexes.Append( numVerts - surf->firstVert );
indexes.Append( numVerts + j - 1 - surf->firstVert );
indexes.Append( numVerts + j - surf->firstVert );
surf->numIndexes += 3;
}
}
} else {
int numVerts = verts.Num();
int numIndexes = indexes.Num();
verts.AssureSize( numVerts + vertCount );
indexes.AssureSize( numIndexes + indexCount );
surf->numVerts += vertCount;
surf->numIndexes += indexCount;
for ( int i = 0; i < indexCount; i++ ) {
indexes[numIndexes + i] = numVerts + dindexes[i] - surf->firstVert;
}
memcpy( &verts[numVerts], dverts, vertCount * sizeof( verts[0] ) );
}
}