void drawSkybox(int grid_size) {
/*
matrices are:
projection: perspective projection
modelview: identity
*/
/* these are the values for y == up, x == front */
/*
float sides[6][4][3] = {
{ { 1, -1, -1 }, { 1, -1, 1 }, { 1, 1, 1 }, { 1, 1, -1 } }, // front
{ { 1, 1, -1 }, { 1, 1, 1 }, { -1, 1, 1 }, { -1, 1, -1 } }, // top
{ { -1, -1, -1 }, { 1, -1, -1 }, { 1, 1, -1 }, { -1, 1, -1 } }, // left
{ { 1, -1, 1 }, { -1, -1, 1 }, { -1, 1, 1 }, { 1, 1, 1 } }, // right
{ { -1, -1, -1 }, { 1, -1, -1 }, { 1, -1, 1 }, { -1, -1, 1 } }, // bottom
{ { -1, -1, 1 }, { -1, -1, -1 }, { -1, 1, -1 }, { -1, 1, a1 } } // back
};
*/
/* these values are for z == up, x == front */
float sides[6][4][3] = {
{ { 1, 1, -1 }, { 1, -1, -1 }, { 1, -1, 1 }, { 1, 1, 1 } }, /* front */
{ { 1, 1, 1 }, { -1, 1, 1 }, { -1, -1, 1 }, { 1, -1, 1 } }, /* top */
{ { -1, 1, -1 }, { 1, 1, -1 }, { 1, 1, 1 }, { -1, 1, 1 } }, /* left */
{ { 1, -1, -1 }, { -1, -1, -1 }, { -1, -1, 1 }, { 1, -1, 1 } }, /* right */
{ { -1, 1, -1 }, { -1, -1, -1 }, { 1, -1, -1 }, { 1, 1, -1 } }, /* bottom */
{ { -1, -1, -1 }, { -1, 1, -1 }, { -1, 1, 1 }, { -1, -1, 1 } } /* back */
};
float uv[4][2] = { { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 } };
int i, j;
float d = grid_size * 3;
gl2gles_vertex3v verts[6];
gl2gles_vertex2v texts[6];
glEnable(GL_TEXTURE_2D);
glDepthMask(GL_FALSE);
//TODO:DONE REdo for gles
/*glColor3f(1.0, 1.0, 1.0);
for(i = 0; i < 6; i++) {
bindSkyboxTexture(i);
glBegin(GL_QUADS);
for(j = 0; j < 4; j++) {
glTexCoord2fv( uv[j] );
glVertex3f( sides[i][j][0] * d, sides[i][j][1] * d, sides[i][j][2] * d );
}
glEnd();
}*/
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glDisableClientState (GL_NORMAL_ARRAY);
glEnableClientState (GL_VERTEX_ARRAY);
glDisableClientState (GL_COLOR_ARRAY);
glColor3f(1.0, 1.0, 1.0);
for(i = 0; i < 6; i++) {
bindSkyboxTexture(i);
//glBegin(GL_QUADS);
/*for(j = 0; j < 4; j++) {
glTexCoord2fv( uv[j] );
glVertex3f( sides[i][j][0] * d, sides[i][j][1] * d, sides[i][j][2] * d );
}*/
FillVertex2v(texts[0],uv[0][0],uv[0][1]);
FillVertex3v(verts[0],sides[i][0][0] * d, sides[i][0][1] * d, sides[i][0][2] * d);
FillVertex2v(texts[1],uv[1][0],uv[1][1]);
FillVertex3v(verts[1],sides[i][1][0] * d, sides[i][1][1] * d, sides[i][1][2] * d);
FillVertex2v(texts[2],uv[2][0],uv[2][1]);
FillVertex3v(verts[2],sides[i][2][0] * d, sides[i][2][1] * d, sides[i][2][2] * d);
FillVertex2v(texts[3],uv[2][0],uv[2][1]);
FillVertex3v(verts[3],sides[i][2][0] * d, sides[i][2][1] * d, sides[i][2][2] * d);
FillVertex2v(texts[4],uv[3][0],uv[3][1]);
FillVertex3v(verts[4],sides[i][3][0] * d, sides[i][3][1] * d, sides[i][3][2] * d);
FillVertex2v(texts[5],uv[0][0],uv[0][1]);
FillVertex3v(verts[5],sides[i][0][0] * d, sides[i][0][1] * d, sides[i][0][2] * d);
glVertexPointer (3,GL_FLOAT,0,verts);
glTexCoordPointer (2,GL_FLOAT,0,texts);
glDrawArrays( GL_TRIANGLES , 0, 6 );
//glEnd();
}
glDisable(GL_TEXTURE_2D);
glDepthMask(GL_TRUE);
}
void draw2D( Visual *d ) {
float width, height;
float border_left, border_bottom;
int i,size_array,j;
float glfX,glfY;
gl2gles_vertex2v vertex2temp;
gl2gles_vertex2v verts[6];
gl2gles_vertex2v *pVerts = NULL;
gl2gles_vertex3v fVerts[6];
float aspect = (float)d->vp_w / (float)d->vp_h;
if(d->vp_w / game2->grid.width < d->vp_h / game2->grid.height) {
// black borders top/bottom
width = game2->grid.width + 1.0f;
height = width / aspect;
border_bottom = (height - game2->grid.height) / 2;
border_left = 0;
} else {
// black borders left/right
height = game2->grid.height + 1.0f;
width = height * aspect;
border_left = (width - game2->grid.width) / 2;
border_bottom = 0;
}
/*
{
static int foo = 0;
if(!foo)
printf("w,h: (%f,%f), border l/b: (%f,%f)\n",
width, height, border_left, border_bottom);
foo = 1;
}
*/
glViewport(d->vp_x, d->vp_y, d->vp_w, d->vp_h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(0, width, 0, height, 0, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(border_left, border_bottom, 0);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glEnableClientState (GL_VERTEX_ARRAY);
//R.K. moved it higher otherwise it would crash on symbian
glDisable(GL_LIGHTING);
{
float w = game2->grid.width;
float h = game2->grid.height;
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(0.7f, 0.7f, 0.7f, 0.3f);
//draw_rectangle2v(0,0,w,h);
FillVertex2v(verts[0],0,0);
FillVertex2v(verts[1],w,0);
FillVertex2v(verts[2],w,h);
FillVertex2v(verts[3],w,h);
FillVertex2v(verts[4],0,h);
FillVertex2v(verts[5],0,0);
glVertexPointer (2,GL_FLOAT,0,verts);
glDrawArrays( GL_TRIANGLES , 0, 6 );
}
// glDisable(GL_BLEND);
glEnable(GL_BLEND);
{
float w = game2->grid.width;
float h = game2->grid.height;
glColor3f(1, 1, 1);
FillVertex3v(fVerts[0],0,0,0);
FillVertex3v(fVerts[1],w,0,0);
FillVertex3v(fVerts[2],w,h,0);
FillVertex3v(fVerts[3],0,h,0);
FillVertex3v(fVerts[4],0,0,0);
glVertexPointer(3, GL_FLOAT,0, fVerts);
glDrawArrays(GL_LINE_LOOP, 0, 5);
//draw_rectangle3v(0,0,w,h,1);
}
for(i = 0; i < game->players; i++) {
Player *p = &game->player[i];
PlayerVisual *pV = gPlayerVisuals + i;
segment2* trail;
float x, y;
getPositionFromData(&x, &y, p->data);
// fixme: check if trails vanish
if (p->data->trail_height <= 0) {
continue;
}
if (p->data->trail_height < TRAIL_HEIGHT) {
/*
if player crashed but the trail hasn't disappeared yet, fade
the trail on the 2d map as it disappears.
*/
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glColor4f(pV->pColorAlpha[0], pV->pColorAlpha[1], pV->pColorAlpha[2],
p->data->trail_height / TRAIL_HEIGHT);
} else {
glBlendFunc(GL_ONE, GL_ONE);
glColor3fv(pV->pColorAlpha);
}
glPointSize(2);
//TODO: redo for gles
/*glBegin(GL_POINTS);
glVertex2f( x, y );
glEnd();*/
FillVertex2v(vertex2temp,x,y);
glVertexPointer(2, GL_FLOAT,0, &vertex2temp);
glDrawArrays(GL_POINTS, 0, 1);
/*
glBegin(GL_LINES);
for(trail = p->data->trails; trail != p->data->trails + p->data->trailOffset; trail++)
{
glVertex2f(trail->vStart.v[0], trail->vStart.v[1] );
glVertex2f(trail->vStart.v[0] + trail->vDirection.v[0],
trail->vStart.v[1] + trail->vDirection.v[1] );
}
if(trail != p->data->trails)
{
trail--;
glVertex2f(trail->vStart.v[0] + trail->vDirection.v[0],
trail->vStart.v[1] + trail->vDirection.v[1] );
glVertex2f( floorf(x), floorf(y));
}
else
{
glVertex2f(trail->vStart.v[0], trail->vStart.v[1] );
glVertex2f( floorf(x), floorf(y));
}
*/
size_array=(p->data->trailOffset+1)<<1;
pVerts = (gl2gles_vertex2v *)malloc(sizeof(gl2gles_vertex2v)*size_array);
for (trail = p->data->trails,j=0; trail != p->data->trails + p->data->trailOffset; trail++,j+=2)
{
glfX=trail->vStart.v[0];
glfY=trail->vStart.v[1];
FillVertex2v(pVerts[j],glfX,glfY);
FillVertex2v(pVerts[j+1],glfX+trail->vDirection.v[0],glfY+trail->vDirection.v[1]);
}
if (trail != p->data->trails)
{
trail--;
FillVertex2v(pVerts[j],trail->vStart.v[0] + trail->vDirection.v[0],
trail->vStart.v[1] + trail->vDirection.v[1]);
FillVertex2v(pVerts[j+1], floorf(x), floorf(y));
}
else
{
FillVertex2v(pVerts[j], trail->vStart.v[0], trail->vStart.v[1]);
FillVertex2v(pVerts[j+1], floorf(x), floorf(y));
}
glVertexPointer(2, GL_FLOAT, 0, pVerts);
glDrawArrays(GL_LINES, 0, size_array);
free(pVerts);
#if 0
// draw AI debug lines
glColor3f(1,1,1);
glVertex2f(p->ai->front.vStart.v[0],
p->ai->front.vStart.v[1]);
glVertex2f(p->ai->front.vStart.v[0] + p->ai->front.vDirection.v[0],
p->ai->front.vStart.v[1] + p->ai->front.vDirection.v[1]);
glColor3f(0,1,0);
glVertex2f(p->ai->left.vStart.v[0],
p->ai->left.vStart.v[1]);
glVertex2f(p->ai->left.vStart.v[0] + p->ai->left.vDirection.v[0],
p->ai->left.vStart.v[1] + p->ai->left.vDirection.v[1]);
glColor3f(0,0,1);
glVertex2f(p->ai->right.vStart.v[0],
p->ai->right.vStart.v[1]);
glVertex2f(p->ai->right.vStart.v[0] + p->ai->right.vDirection.v[0],
p->ai->right.vStart.v[1] + p->ai->right.vDirection.v[1]);
glColor3f(0,1,1);
glVertex2f(p->ai->backleft.vStart.v[0],
p->ai->backleft.vStart.v[1]);
glVertex2f(p->ai->backleft.vStart.v[0] +
p->ai->backleft.vDirection.v[0],
p->ai->backleft.vStart.v[1] +
p->ai->backleft.vDirection.v[1]);
#endif
//TODO: REdo for gles
//glEnd();
}
glDisable(GL_BLEND);
}
