void get_cloud_3d_sector ( float x, float z, int *sectorx, int *sectorz )
{
convert_float_to_int ( ( x / CLOUD_3D_SECTOR_SIDE_LENGTH ), sectorx );
convert_float_to_int ( ( z / CLOUD_3D_SECTOR_SIDE_LENGTH ), sectorz );
}
void get_2d_int_screen_coordinates (const float wx, const float wy, int *x, int *y)
{
float
xt,
yt;
int
xi,
yi;
ASSERT (active_2d_environment);
validate_2d_composite_transformation_matrix (active_2d_environment);
xt = (wx * active_2d_environment->composite_transformation[0][0]) +
(wy * active_2d_environment->composite_transformation[1][0]) +
active_2d_environment->composite_transformation[2][0];
yt = (wx * active_2d_environment->composite_transformation[0][1]) +
(wy * active_2d_environment->composite_transformation[1][1]) +
active_2d_environment->composite_transformation[2][1];
convert_float_to_int (xt, &xi);
convert_float_to_int (yt, &yi);
*x = xi;
*y = yi;
}
void set_2d_pixel (float x, float y, const rgb_colour col)
{
float
xt,
yt;
int
xi,
yi;
ASSERT (active_2d_environment);
validate_2d_composite_transformation_matrix (active_2d_environment);
xt = (x * active_2d_environment->composite_transformation[0][0]) +
(y * active_2d_environment->composite_transformation[1][0]) +
active_2d_environment->composite_transformation[2][0];
yt = (x * active_2d_environment->composite_transformation[0][1]) +
(y * active_2d_environment->composite_transformation[1][1]) +
active_2d_environment->composite_transformation[2][1];
xt += active_2d_environment->offset_x * active_2d_environment->window_scaling[0][0] * 0.9;
yt -= active_2d_environment->offset_y * active_2d_environment->window_scaling[1][1] * 0.9;
convert_float_to_int (xt, &xi);
convert_float_to_int (yt, &yi);
set_clipped_pixel (xi, yi, col);
}
static void light_missile_approaching_lamps (float time_to_impact)
{
int
segment;
if (time_to_impact < 15.0)
{
convert_float_to_int (15.0 - time_to_impact, &segment);
ASSERT ((segment >= 0) && (segment <= 14));
switch (segment)
{
case 14: hind_lamps.threat_warning_close_range_15 = 1;
case 13: hind_lamps.threat_warning_close_range_14 = 1;
case 12: hind_lamps.threat_warning_close_range_13 = 1;
case 11: hind_lamps.threat_warning_close_range_12 = 1;
case 10: hind_lamps.threat_warning_close_range_11 = 1;
case 9: hind_lamps.threat_warning_close_range_10 = 1;
case 8: hind_lamps.threat_warning_close_range_9 = 1;
case 7: hind_lamps.threat_warning_close_range_8 = 1;
case 6: hind_lamps.threat_warning_close_range_7 = 1;
case 5: hind_lamps.threat_warning_close_range_6 = 1;
case 4: hind_lamps.threat_warning_close_range_5 = 1;
case 3: hind_lamps.threat_warning_close_range_4 = 1;
case 2: hind_lamps.threat_warning_close_range_3 = 1;
case 1: hind_lamps.threat_warning_close_range_2 = 1;
case 0: hind_lamps.threat_warning_close_range_1 = 1;
}
}
}
int get_integer_screen_height (void)
{
int
result;
convert_float_to_int (full_screen_height, &result);
return result;
}
int get_integer_screen_x_mid (void)
{
int
result;
convert_float_to_int (full_screen_x_mid, &result);
return result;
}
int get_integer_screen_y_max (void)
{
int
result;
convert_float_to_int (full_screen_y_max, &result);
return result;
}
int get_integer_screen_width (void)
{
int
result;
convert_float_to_int (full_screen_width, &result);
return result;
}
float fast_modf ( float value, float *iptr )
{
int
whole_value;
convert_float_to_int ( value, &whole_value );
value -= whole_value;
*iptr = ( float ) whole_value;
return ( value );
}
void get_digital_clock_int_values (float time_of_day, int *hours, int *minutes, int *seconds)
{
int
seconds_past_midnight,
minutes_past_midnight,
hours_past_midnight;
// time_of_day = bound (time_of_day, 0.0, ONE_DAY - 1.0);
convert_float_to_int (time_of_day, &seconds_past_midnight);
hours_past_midnight = seconds_past_midnight / ONE_HOUR;
minutes_past_midnight = seconds_past_midnight / ONE_MINUTE;
*hours = hours_past_midnight;
*minutes = (minutes_past_midnight - (hours_past_midnight * MINUTES_IN_AN_HOUR));
*seconds = (seconds_past_midnight - (minutes_past_midnight * SECONDS_IN_A_MINUTE));
}
void get_digital_countdown_values (float time_remaining, int *days, int *hours, int *minutes, int *seconds)
{
int
d, h, m, s;
convert_float_to_int (time_remaining, &s);
d = s / ONE_DAY;
h = s / ONE_HOUR;
m = s / ONE_MINUTE;
if (days) *days = d;
if (hours) *hours = h - (d * HOURS_IN_A_DAY);
if (minutes) *minutes = m - (h * MINUTES_IN_AN_HOUR);
if (seconds) *seconds = s - (m * SECONDS_IN_A_MINUTE);
}
void draw_3d_lightning_cloud_burst ( lightning_strike *strike )
{
vertex
*polygon,
*vert,
quad[4];
float
width,
depth,
intensity;
vec3d
relative_position;
int
int_intensity,
outcode,
outcode2;
screen
*texture;
texture = system_textures[lightning_cloud_texture];
width = 30000;
depth = 30000;
if ( !strike->current_frame_number )
{
intensity = 0.5;
}
else
{
intensity = 1.0 / ( ( float ) strike->current_frame_number );
}
intensity /= 3;
quad[0].next_vertex = &quad[1];
quad[1].next_vertex = &quad[2];
quad[2].next_vertex = &quad[3];
quad[3].next_vertex = NULL;
quad[0].x = -width/2;
quad[0].y = 0;
quad[0].z = -depth/2;
quad[0].u = 0;
quad[0].v = 0;
quad[1].x = width/2;
quad[1].y = 0;
quad[1].z = -depth/2;
quad[1].u = 1;
quad[1].v = 0;
quad[2].x = width/2;
quad[2].y = 0;
quad[2].z = depth/2;
quad[2].u = 1;
quad[2].v = 1;
quad[3].x = -width/2;
quad[3].y = 0;
quad[3].z = depth/2;
quad[3].u = 0;
quad[3].v = 1;
polygon = quad;
//
// Calculate the relative position of the lightning strike
//
relative_position.x = ( ( strike->position.x - visual_3d_vp->x ) * visual_3d_vp->xv.x +
( strike->position.y - visual_3d_vp->y ) * visual_3d_vp->xv.y +
( strike->position.z - visual_3d_vp->z ) * visual_3d_vp->xv.z );
relative_position.y = ( ( strike->position.x - visual_3d_vp->x ) * visual_3d_vp->yv.x +
( strike->position.y - visual_3d_vp->y ) * visual_3d_vp->yv.y +
( strike->position.z - visual_3d_vp->z ) * visual_3d_vp->yv.z );
relative_position.z = ( ( strike->position.x - visual_3d_vp->x ) * visual_3d_vp->zv.x +
( strike->position.y - visual_3d_vp->y ) * visual_3d_vp->zv.y +
( strike->position.z - visual_3d_vp->z ) * visual_3d_vp->zv.z );
{
//
// Rotate the polygon around to the users viewpoint
//
vert = polygon;
rotation_3d[0][0] = ( visual_3d_vp->xv.x );
rotation_3d[0][1] = ( visual_3d_vp->yv.x );
rotation_3d[0][2] = ( visual_3d_vp->zv.x );
rotation_3d[1][0] = ( visual_3d_vp->xv.y );
rotation_3d[1][1] = ( visual_3d_vp->yv.y );
rotation_3d[1][2] = ( visual_3d_vp->zv.y );
rotation_3d[2][0] = ( visual_3d_vp->xv.z );
rotation_3d[2][1] = ( visual_3d_vp->yv.z );
rotation_3d[2][2] = ( visual_3d_vp->zv.z );
outcode = 0;
outcode2 = CLIP_LEFT | CLIP_RIGHT | CLIP_TOP | CLIP_BOTTOM | CLIP_HITHER | CLIP_YONDER;
clip_3d_coord = 0;
while ( vert )
{
float
x,
y,
z;
x = vert->x * rotation_3d[0][0] + vert->y * rotation_3d[1][0] + vert->z * rotation_3d[2][0] + relative_position.x;
y = vert->x * rotation_3d[0][1] + vert->y * rotation_3d[1][1] + vert->z * rotation_3d[2][1] + relative_position.y;
z = vert->x * rotation_3d[0][2] + vert->y * rotation_3d[1][2] + vert->z * rotation_3d[2][2] + relative_position.z;
x *= active_3d_environment->screen_i_scale;
y *= active_3d_environment->screen_j_scale;
if ( *( ( int * ) &z ) >= *( ( int * ) &clip_hither ) )
{
float
q,
i,
j;
float
oxmax,
oxmin,
oymax,
oymin;
int
ixmax,
ixmin,
iymax,
iymin;
q = 1.0 / z;
vert->x = x;
vert->y = y;
vert->z = z;
vert->q = q;
i = ( x * q );
j = ( y * q );
vert->j = active_3d_environment->y_origin - j;
vert->i = active_3d_environment->x_origin + i;
oxmax = active_viewport.x_max - vert->i;
oxmin = vert->i - active_viewport.x_min;
oymax = active_viewport.y_max - vert->j;
oymin = vert->j - active_viewport.y_min;
ixmax = *( ( int * ) &oxmax );
ixmin = *( ( int * ) &oxmin );
iymax = *( ( int * ) &oymax );
iymin = *( ( int * ) &oymin );
vert->outcode = generate_lookup_outcode ( ixmin, iymin, ixmax, iymax );
outcode |= vert->outcode;
outcode2 &= vert->outcode;
}
else
{
vert->outcode = CLIP_HITHER;
vert->z = z;
vert->x = x;
vert->y = y;
outcode |= vert->outcode;
outcode2 &= vert->outcode;
}
vert = vert->next_vertex;
}
if ( outcode2 )
{
return;
}
if ( outcode & CLIP_HITHER )
{
polygon = hither_clip_3d_polygon ( polygon, &outcode );
if ( !polygon )
{
return;
}
}
if ( outcode )
{
apply_perspective_to_polygon_texture ( polygon );
polygon = clip_3d_polygon ( polygon, outcode );
if ( !polygon )
{
return;
}
remove_perspective_from_polygon_texture ( polygon );
}
{
real_colour
colour,
specular;
set_d3d_alpha_fog_zbuffer ( TRUE, FALSE, TRUE, FALSE );
convert_float_to_int ( intensity * 255, &int_intensity );
colour.red = int_intensity;
colour.green = int_intensity;
colour.blue = int_intensity;
colour.alpha = int_intensity;
set_d3d_texture ( 0, texture );
set_d3d_texture_stage_state ( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
set_d3d_texture_stage_state ( 1, D3DTSS_COLOROP, D3DTOP_DISABLE );
set_d3d_int_state ( D3DRENDERSTATE_SRCBLEND, D3DBLEND_ONE );
set_d3d_int_state ( D3DRENDERSTATE_DESTBLEND, D3DBLEND_ONE );
set_d3d_texture_stage_state ( 0, D3DTSS_ADDRESSU, D3DTADDRESS_CLAMP );
set_d3d_texture_stage_state ( 0, D3DTSS_ADDRESSV, D3DTADDRESS_CLAMP );
set_d3d_texture_stage_state ( 0, D3DTSS_MAGFILTER, D3DTFG_LINEAR );
set_d3d_texture_stage_state ( 0, D3DTSS_MINFILTER, D3DTFN_LINEAR );
set_d3d_texture_stage_state ( 0, D3DTSS_MIPFILTER, D3DTFP_POINT );
specular.colour = 0;
draw_wbuffered_flat_shaded_textured_polygon ( polygon, colour, specular );
}
}
}
void draw_software_plain_line ( vertex *line, unsigned int whole_colour, float red, float green, float blue )
{
int
x1,
y1,
x2,
y2,
dx,
dy,
error;
unsigned short int
colour;
ASSERT ( active_screen );
ASSERT ( get_screen_locked ( active_screen ) );
colour = whole_colour;
convert_float_to_int ( line->i, &x1 );
convert_float_to_int ( line->j, &y1 );
convert_float_to_int ( line->next_vertex->i, &x2 );
convert_float_to_int ( line->next_vertex->j, &y2 );
dx = x2 - x1;
if ( dx < 0 )
{
dx = -dx;
dy = y2 - y1;
if ( dy < 0 )
{
dy = -dy;
if ( dx > dy )
{
error = ( ( dx + 1 ) >> 1 );
for ( ; x1 > x2; x1-- )
{
set_software_pixel ( x1, y1, colour );
if ( ( error -= dy ) < 0 )
{
error += dx;
y1--;
}
}
}
void draw_3d_polyline ( struct OBJECT_3D_POLYLINE *polyline )
{
int
segment,
outcode;
float
average_distance;
polyline_point
*points;
vertex
*line;
real_colour
colour;
//
// Connect the two vertices up
//
points = polyline->polyline->points;
segment = polyline->segment;
points[segment].transformed_point.next_vertex = &points[segment+1].transformed_point;
points[segment+1].transformed_point.next_vertex = NULL;
outcode = points[segment].transformed_point.outcode;
outcode |= points[segment+1].transformed_point.outcode;
//
// Calculate the average distance of the polyline
//
average_distance = ( points[segment].transformed_point.z + points[segment+1].transformed_point.z ) / 2.0;
//
// Set the fog value for this polyline
//
{
float
fog_intensity;
int
ifog_intensity;
fog_intensity = get_fog_distance_value ( average_distance );
convert_float_to_int ( fog_intensity, &ifog_intensity );
set_d3d_fog_face_intensity ( ifog_intensity );
}
//
// Calculate the lighting if required
//
if ( polyline->polyline->lit )
{
vec3d
point1,
point2,
plane_normal,
line_normal;
float
red,
green,
blue,
ndotn,
ndotp1,
ndotcamera,
direction_factor;
light_3d_source
*this_light;
int
ired,
igreen,
iblue;
//
// This bit is a work of a genius matey!
//
point1 = points[segment].world_point;
point2 = points[segment+1].world_point;
point1.x = ( ( point2.x - point1.x ) / 2 ) + point1.x;
point1.y = ( ( point2.y - point1.y ) / 2 ) + point1.y;
point1.z = ( ( point2.z - point1.z ) / 2 ) + point1.z;
plane_normal.x = point2.x - point1.x;
plane_normal.y = point2.y - point1.y;
plane_normal.z = point2.z - point1.z;
ndotn = ( ( plane_normal.x * plane_normal.x ) + ( plane_normal.y * plane_normal.y ) + ( plane_normal.z * plane_normal.z ) );
ndotp1 = ( ( point1.x * plane_normal.x ) + ( point1.y * plane_normal.y ) + ( point1.z * plane_normal.z ) );
ndotcamera = ( ( visual_3d_vp->x * plane_normal.x ) + ( visual_3d_vp->y * plane_normal.y ) + ( visual_3d_vp->z * plane_normal.z ) );
direction_factor = ( ( ndotp1 - ndotcamera ) / ndotn );
line_normal.x = visual_3d_vp->x + direction_factor * ( plane_normal.x );
line_normal.y = visual_3d_vp->y + direction_factor * ( plane_normal.y );
line_normal.z = visual_3d_vp->z + direction_factor * ( plane_normal.z );
line_normal.x = line_normal.x - point1.x;
line_normal.y = line_normal.y - point1.y;
line_normal.z = line_normal.z - point1.z;
normalise_any_3d_vector ( &line_normal );
this_light = current_3d_lights;
red = ambient_3d_light.colour.red;
green = ambient_3d_light.colour.green;
blue = ambient_3d_light.colour.blue;
while ( this_light )
{
float
intensity;
intensity = ( ( line_normal.x * this_light->lx ) + ( line_normal.y * this_light->ly ) + ( line_normal.z * this_light->lz ) );
if ( ( *( int * ) &intensity ) > ( *( int * ) &float_value_zero ) )
{
red += intensity * this_light->colour.red;
green += intensity * this_light->colour.green;
blue += intensity * this_light->colour.blue;
}
this_light = this_light->succ;
}
red = bound ( red, 0, 1 );
green = bound ( green, 0, 1 );
blue = bound ( blue, 0, 1 );
red *= polyline->polyline->colour.red;
green *= polyline->polyline->colour.green;
blue *= polyline->polyline->colour.blue;
red += FLOAT_FLOAT_FACTOR;
green += FLOAT_FLOAT_FACTOR;
blue += FLOAT_FLOAT_FACTOR;
ired = ( *( int * ) &red ) - INTEGER_FLOAT_FACTOR;
igreen = ( *( int * ) &green ) - INTEGER_FLOAT_FACTOR;
iblue = ( *( int * ) &blue ) - INTEGER_FLOAT_FACTOR;
colour.red = ired;
colour.green = igreen;
colour.blue = iblue;
colour.alpha = 0;
}
else
{
colour = polyline->polyline->colour;
}
//
// Go through all the vertices, creating lines to draw, then render them.
//
line = &points[segment].transformed_point;
clip_3d_coord = 0;
if ( outcode & CLIP_HITHER )
{
line = hither_clip_3d_polygon ( line, &outcode );
}
if ( line )
{
if ( outcode )
{
line = clip_3d_polygon ( line, outcode );
}
if ( line )
{
set_d3d_plain_renderstate ();
draw_wbuffered_plain_line ( line, colour );
}
}
}
void draw_3d_terrain_tree ( object_3d_instance *obj )
{
int
object_number;
object_3d_info
*this_object_3d_info;
light_3d_source
*this_light,
*prev_light,
*light_ptr,
*light;
vec3d
*pos;
vec3d
object_camera_position,
object_pos;
//
// Set up the object drawing global variables
//
object_3d_points_current_base = 0;
object_3d_object_current_base = 0;
object_3d_light_3d_current_base = 0;
//
// Calculate the object's position relative to the view.
//
pos = &obj->rel_vp.position;
{
float
fog_intensity;
int
ifog_intensity;
fog_intensity = get_fog_distance_value ( pos->z );
convert_float_to_int ( fog_intensity, &ifog_intensity );
set_d3d_fog_face_intensity ( ifog_intensity );
}
//
// Set the main objects' scaling values
//
object_3d_scale.x = obj->relative_scale.x;
object_3d_scale.y = obj->relative_scale.y;
object_3d_scale.z = obj->relative_scale.z;
//
// Calculate the object's rotation matrix, to transform its 3d points relative to the view.
//
rotation_3d[0][0] = ( obj->vp.xv.x * visual_3d_vp->xv.x + obj->vp.xv.y * visual_3d_vp->xv.y + obj->vp.xv.z * visual_3d_vp->xv.z );
rotation_3d[0][1] = ( obj->vp.xv.x * visual_3d_vp->yv.x + obj->vp.xv.y * visual_3d_vp->yv.y + obj->vp.xv.z * visual_3d_vp->yv.z );
rotation_3d[0][2] = ( obj->vp.xv.x * visual_3d_vp->zv.x + obj->vp.xv.y * visual_3d_vp->zv.y + obj->vp.xv.z * visual_3d_vp->zv.z );
rotation_3d[1][0] = ( obj->vp.yv.x * visual_3d_vp->xv.x + obj->vp.yv.y * visual_3d_vp->xv.y + obj->vp.yv.z * visual_3d_vp->xv.z );
rotation_3d[1][1] = ( obj->vp.yv.x * visual_3d_vp->yv.x + obj->vp.yv.y * visual_3d_vp->yv.y + obj->vp.yv.z * visual_3d_vp->yv.z );
rotation_3d[1][2] = ( obj->vp.yv.x * visual_3d_vp->zv.x + obj->vp.yv.y * visual_3d_vp->zv.y + obj->vp.yv.z * visual_3d_vp->zv.z );
rotation_3d[2][0] = ( obj->vp.zv.x * visual_3d_vp->xv.x + obj->vp.zv.y * visual_3d_vp->xv.y + obj->vp.zv.z * visual_3d_vp->xv.z );
rotation_3d[2][1] = ( obj->vp.zv.x * visual_3d_vp->yv.x + obj->vp.zv.y * visual_3d_vp->yv.y + obj->vp.zv.z * visual_3d_vp->yv.z );
rotation_3d[2][2] = ( obj->vp.zv.x * visual_3d_vp->zv.x + obj->vp.zv.y * visual_3d_vp->zv.y + obj->vp.zv.z * visual_3d_vp->zv.z );
rotation_3d[0][0] *= object_3d_scale.x;
rotation_3d[1][0] *= object_3d_scale.y;
rotation_3d[2][0] *= object_3d_scale.z;
rotation_3d[0][1] *= object_3d_scale.x;
rotation_3d[1][1] *= object_3d_scale.y;
rotation_3d[2][1] *= object_3d_scale.z;
rotation_3d[0][2] *= object_3d_scale.x;
rotation_3d[1][2] *= object_3d_scale.y;
rotation_3d[2][2] *= object_3d_scale.z;
//
// Calculate the vector from the object to the viewpoint, in the object's view system
//
{
float
x,
y,
z;
x = ( ( visual_3d_vp->x - obj->vp.x ) * obj->vp.xv.x );
x += ( ( visual_3d_vp->y - obj->vp.y ) * obj->vp.xv.y );
x += ( ( visual_3d_vp->z - obj->vp.z ) * obj->vp.xv.z );
y = ( ( visual_3d_vp->x - obj->vp.x ) * obj->vp.yv.x );
y += ( ( visual_3d_vp->y - obj->vp.y ) * obj->vp.yv.y );
y += ( ( visual_3d_vp->z - obj->vp.z ) * obj->vp.yv.z );
z = ( ( visual_3d_vp->x - obj->vp.x ) * obj->vp.zv.x );
z += ( ( visual_3d_vp->y - obj->vp.y ) * obj->vp.zv.y );
z += ( ( visual_3d_vp->z - obj->vp.z ) * obj->vp.zv.z );
object_pos.x = x;
object_pos.y = y;
object_pos.z = z;
}
//
// Get the object number
//
object_number = get_object_approximation_number ( obj->object_number, pos->z, &object_3d_approximation_level );
//
// Rotate the light source vector to be relative to the object.
//
light_ptr = current_3d_lights;
prev_light = NULL;
light = NULL;
if ( light_ptr )
{
light = &light_3d_array[object_3d_light_3d_current_base];
while ( light_ptr )
{
float
lx,
ly,
lz;
if ( light_ptr->type == LIGHT_3D_TYPE_POINT )
{
vec3d
vector;
float
distance;
//
// Work out the distance from object to light source
//
vector.x = - light_ptr->light_position.x + obj->vp.x;
vector.y = - light_ptr->light_position.y + obj->vp.y;
vector.z = - light_ptr->light_position.z + obj->vp.z;
lx = vector.x * vector.x;
ly = vector.y * vector.y;
lz = vector.z * vector.z;
distance = ( lx + ly + lz );
if ( distance < light_ptr->radius )
{
distance = 1 - ( distance / light_ptr->radius );
this_light = &light_3d_array[object_3d_light_3d_current_base];
object_3d_light_3d_current_base++;
if ( prev_light )
{
prev_light->succ = this_light;
}
this_light->pred = prev_light;
this_light->succ = NULL;
this_light->type = light_ptr->type;
this_light->colour.red = light_ptr->colour.red * distance;
this_light->colour.green = light_ptr->colour.green * distance;
this_light->colour.blue = light_ptr->colour.blue * distance;
// this_light->colour.intensity = light_ptr->colour.intensity * distance;
normalise_3d_vector ( &vector );
lx = ( vector.x * obj->vp.attitude[0][0] );
lx += ( vector.y * obj->vp.attitude[0][1] );
lx += ( vector.z * obj->vp.attitude[0][2] );
ly = ( vector.x * obj->vp.attitude[1][0] );
ly += ( vector.y * obj->vp.attitude[1][1] );
ly += ( vector.z * obj->vp.attitude[1][2] );
lz = ( vector.x * obj->vp.attitude[2][0] );
lz += ( vector.y * obj->vp.attitude[2][1] );
lz += ( vector.z * obj->vp.attitude[2][2] );
this_light->lx = lx;
this_light->ly = ly;
this_light->lz = lz;
prev_light = this_light;
}
}
else
{
this_light = &light_3d_array[object_3d_light_3d_current_base];
object_3d_light_3d_current_base++;
if ( prev_light )
{
prev_light->succ = this_light;
}
this_light->pred = prev_light;
this_light->succ = NULL;
this_light->type = light_ptr->type;
this_light->colour.red = light_ptr->colour.red;
this_light->colour.green = light_ptr->colour.green;
this_light->colour.blue = light_ptr->colour.blue;
// this_light->colour.intensity = light_ptr->colour.intensity;
lx = ( light_ptr->lx * obj->vp.attitude[0][0] );
lx += ( light_ptr->ly * obj->vp.attitude[0][1] );
lx += ( light_ptr->lz * obj->vp.attitude[0][2] );
ly = ( light_ptr->lx * obj->vp.attitude[1][0] );
ly += ( light_ptr->ly * obj->vp.attitude[1][1] );
ly += ( light_ptr->lz * obj->vp.attitude[1][2] );
lz = ( light_ptr->lx * obj->vp.attitude[2][0] );
lz += ( light_ptr->ly * obj->vp.attitude[2][1] );
lz += ( light_ptr->lz * obj->vp.attitude[2][2] );
this_light->lx = lx;
this_light->ly = ly;
this_light->lz = lz;
prev_light = this_light;
}
light_ptr = light_ptr->succ;
}
}
{
vec3d
rel_pos;
//
// Calculate the relative camera position in the object viewspace
//
rel_pos.x = visual_3d_vp->x - obj->vp.x;
rel_pos.y = visual_3d_vp->y - obj->vp.y;
rel_pos.z = visual_3d_vp->z - obj->vp.z;
object_camera_position.x = ( rel_pos.x * obj->vp.attitude[0][0] + rel_pos.y * obj->vp.attitude[1][0] + rel_pos.z * obj->vp.attitude[2][0] );
object_camera_position.y = ( rel_pos.x * obj->vp.attitude[0][1] + rel_pos.y * obj->vp.attitude[1][1] + rel_pos.z * obj->vp.attitude[2][1] );
object_camera_position.z = ( rel_pos.x * obj->vp.attitude[0][2] + rel_pos.y * obj->vp.attitude[1][2] + rel_pos.z * obj->vp.attitude[2][2] );
}
//
// Set up this objects' object info structure
//
object_3d_object_base[object_3d_object_current_base].lights = light;
object_3d_object_base[object_3d_object_current_base].camera_position = object_camera_position;
object_3d_object_base[object_3d_object_current_base].points_base = object_3d_points_current_base;
object_3d_object_base[object_3d_object_current_base].object_number = object_number;
this_object_3d_info = &object_3d_object_base[object_3d_object_current_base];
global_object_3d_info = this_object_3d_info;
//
// Transform the object's shape data
//
//
// Setup the objects scaling information
//
{
float
xdistance,
ydistance,
zdistance;
xdistance = ( objects_3d_data[object_number].bounding_box.xmax - objects_3d_data[object_number].bounding_box.xmin ) / 2;
ydistance = ( objects_3d_data[object_number].bounding_box.ymax - objects_3d_data[object_number].bounding_box.ymin ) / 2;
zdistance = ( objects_3d_data[object_number].bounding_box.zmax - objects_3d_data[object_number].bounding_box.zmin ) / 2;
object_3d_x_middle = objects_3d_data[object_number].bounding_box.xmin + xdistance;
object_3d_y_middle = objects_3d_data[object_number].bounding_box.ymin + ydistance;
object_3d_z_middle = objects_3d_data[object_number].bounding_box.zmin + zdistance;
object_3d_x_scale = xdistance / 32767.0;
object_3d_y_scale = ydistance / 32767.0;
object_3d_z_scale = zdistance / 32767.0;
}
/*
if ( objects_3d_data[object_number].number_of_points )
{
int
object_outcode;
object_outcode = get_object_3d_outcode ( object_number, pos );
if ( object_outcode )
{
transform_3d_object ( &objects_3d_data[object_number], pos, light, object_3d_points_current_base);
}
else
{
transform_unclipped_3d_object ( &objects_3d_data[object_number], pos, light, object_3d_points_current_base);
}
polygon_zdistance_bias = POLYGON_ZDISTANCE_NORMAL_BIAS;
set_d3d_int_state ( D3DRENDERSTATE_CULLMODE, D3DCULL_CW );
if ( object_outcode )
{
draw_3d_terrain_tree_clipped_faces ( object_number, this_object_3d_info );
}
else
{
draw_3d_terrain_tree_unclipped_faces ( object_number, this_object_3d_info );
}
set_d3d_int_state ( D3DRENDERSTATE_CULLMODE, D3DCULL_CCW );
if ( object_outcode )
{
draw_3d_terrain_tree_clipped_faces ( object_number, this_object_3d_info );
}
else
{
draw_3d_terrain_tree_unclipped_faces ( object_number, this_object_3d_info );
}
}
*/
}
void render_unclipped_3d_terrain_tree_textured_diffuse_lit_polygon ( object_3d_face *this_face, struct OBJECT_3D_INFO *object_base )
{
texture_map
*texture;
real_colour
colour;
int
ired,
igreen,
iblue,
count;
float
red,
green,
blue;
object_transformed_2d_point
*vert,
*transformed_points;
LPD3DTLVERTEX
destination_vertices;
object_3d_short_textured_point
*texture_list;
texture = &system_textures[current_object_3d_surface->texture_index];
//
// Look up the colour of the face normal
//
red = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].r;
green = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].g;
blue = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].b;
red *= current_tree_colour_red;
green *= current_tree_colour_green;
blue *= current_tree_colour_blue;
convert_float_to_int ( red, &ired );
convert_float_to_int ( green, &igreen );
convert_float_to_int ( blue, &iblue );
colour.red = ired;
colour.green = igreen;
colour.blue = iblue;
colour.alpha = current_tree_colour_alpha;
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMAG, current_object_3d_texture_filter );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMIN, current_object_3d_texture_mipmap );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREADDRESS, current_object_3d_texture_address );
//
// Should draw a flat shaded polygon
//
set_d3d_flat_shaded_textured_renderstate ( texture );
transformed_points = transformed_3d_2d_points + object_base->points_base;
destination_vertices = get_d3d_vertices_points_address ( this_face->number_of_points );
texture_list = NULL; //current_object_3d_texture_list;
for ( count = 0; count < this_face->number_of_points; count++ )
{
vert = NULL; //transformed_points + current_object_3d_point_list[count].point;
*( ( int * ) &destination_vertices[count].sx ) = *( ( int * ) &vert->i );
*( ( int * ) &destination_vertices[count].sy ) = *( ( int * ) &vert->j );
destination_vertices[count].sz = vert->q;
destination_vertices[count].rhw = vert->q;
destination_vertices[count].tu = ( ( float ) texture_list->u ) / OBJECT_3D_TEXTURE_UV_SCALE;
destination_vertices[count].tv = ( ( float ) texture_list->v ) / OBJECT_3D_TEXTURE_UV_SCALE;
destination_vertices[count].color = colour.colour;
destination_vertices[count].specular = d3d_fog_intensity;
texture_list++;
}
draw_fan_primitive ( this_face->number_of_points, destination_vertices );
}
void render_unclipped_3d_terrain_tree_gouraud_textured_diffuse_lit_polygon ( object_3d_face *this_face, struct OBJECT_3D_INFO *object_base )
{
texture_map
*texture;
int
count;
object_transformed_2d_point
*vert,
*transformed_points;
LPD3DTLVERTEX
destination_vertices;
object_3d_short_textured_point
*texture_list;
point_3d_plain_reference
*gouraud_list;
texture = &system_textures[current_object_3d_surface->texture_index];
transformed_points = transformed_3d_2d_points + object_base->points_base;
texture_list = NULL; //current_object_3d_texture_list;
gouraud_list = NULL; //current_object_3d_gouraud_list;
//
// Should draw a gouraud shaded polygon
//
set_d3d_gouraud_shaded_textured_renderstate ( texture );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMAG, current_object_3d_texture_filter );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMIN, current_object_3d_texture_mipmap );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREADDRESS, current_object_3d_texture_address );
destination_vertices = get_d3d_vertices_points_address ( this_face->number_of_points );
for ( count = 0; count < this_face->number_of_points; count++ )
{
int
ir,
ig,
ib;
float
r,
g,
b;
real_colour
colour;
vert = NULL; //transformed_points + current_object_3d_point_list[count].point;
*( ( int * ) &destination_vertices[count].sx ) = *( ( int * ) &vert->i );
*( ( int * ) &destination_vertices[count].sy ) = *( ( int * ) &vert->j );
destination_vertices[count].sz = vert->q;
destination_vertices[count].rhw = vert->q;
destination_vertices[count].tu = ( ( float ) texture_list->u ) / OBJECT_3D_TEXTURE_UV_SCALE;
destination_vertices[count].tv = ( ( float ) texture_list->v ) / OBJECT_3D_TEXTURE_UV_SCALE;
r = current_object_3d_transformed_normals[gouraud_list->point].r;
g = current_object_3d_transformed_normals[gouraud_list->point].g;
b = current_object_3d_transformed_normals[gouraud_list->point].b;
convert_float_to_int ( ( r * current_tree_colour_red ), &ir );
convert_float_to_int ( ( g * current_tree_colour_green ), &ig );
convert_float_to_int ( ( b * current_tree_colour_blue ), &ib );
colour.red = ir;
colour.green = ig;
colour.blue = ib;
colour.alpha = current_tree_colour_alpha;
destination_vertices[count].color = colour.colour;
destination_vertices[count].specular = d3d_fog_intensity;
gouraud_list++;
texture_list++;
}
draw_fan_primitive ( this_face->number_of_points, destination_vertices );
}
int store_session (session_list_data_type *game_session, const char *filename)
{
#if !DEMO_VERSION
entity
*force;
int
count;
char
limited_filename [32],
title [128],
extension [5],
data_filename [256],
script_filename [256];
FILE
*file_ptr;
count = 0;
strncpy (limited_filename, filename, sizeof (limited_filename) - 2);
limited_filename [31] = '\0';
sprintf (data_filename, "%s\\%s\\%s", game_session->data_path, game_session->campaign_directory, limited_filename);
strcat (data_filename, ".sav");
sprintf (script_filename, "%s\\%s\\%s.", game_session->data_path, game_session->campaign_directory, limited_filename);
sprintf (extension, "%s", game_type_extensions [get_game_type ()]);
extension [2] = extension [1];
extension [1] = extension [0];
extension [0] = 'S';
strcat(script_filename, extension);
//
// Create scripting file
//
file_ptr = fopen (script_filename, "w");
if (!file_ptr)
{
debug_log ("SESSION: failed to open file %s", script_filename);
return FALSE;
}
ASSERT (file_ptr);
// Start
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_START);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
// Campaign title
set_file_new_line (file_ptr, 1);
sprintf (title, "%s", game_session->title);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_TITLE);
set_file_string (file_ptr, title);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_new_line (file_ptr, 1);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_SHORT_TEXT_START);
// campaign title
set_file_string (file_ptr, game_session->title);
set_file_new_line (file_ptr, 2);
// elapsed campaign time
{
float
elapsed_time;
int
hours,
minutes,
seconds,
elapsed_days;
elapsed_time = get_local_entity_float_value (get_session_entity (), FLOAT_TYPE_ELAPSED_TIME);
convert_float_to_int (elapsed_time / ONE_DAY, &elapsed_days);
elapsed_time = fmod (elapsed_time, ONE_DAY);
get_digital_clock_int_values (elapsed_time, &hours, &minutes, &seconds);
sprintf (script_filename, "%s %d %s, %02d.%02d.%02d",
get_trans ("Elapsed Time"),
elapsed_days,
get_trans ("days"),
hours, minutes, seconds);
set_file_string (file_ptr, script_filename);
set_file_new_line (file_ptr, 1);
}
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_TEXT_END);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_new_line (file_ptr, 1);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_CAMPAIGN_DATA);
if (side_data_filename)
{
// side data
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_FILENAME);
set_file_string (file_ptr, side_data_filename);
}
if (population_placement_filename)
{
// population data
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_FILENAME);
set_file_string (file_ptr, population_placement_filename);
}
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_MAP_X_SIZE);
set_file_int (file_ptr, world_map.num_map_x_sectors);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_MAP_Z_SIZE);
set_file_int (file_ptr, world_map.num_map_z_sectors);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_MAP_SECTOR_SIZE);
set_file_int (file_ptr, world_map.sector_side_length);
if (campaign_population_filename)
{
// population data
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_FILENAME);
set_file_string (file_ptr, campaign_population_filename);
}
//
// save force in reverse order to list (so that they are read_in in the correct order)
//
force = get_local_entity_first_child (get_session_entity (), LIST_TYPE_FORCE);
ASSERT (force);
while (get_local_entity_child_succ (force, LIST_TYPE_FORCE))
{
force = get_local_entity_child_succ (force, LIST_TYPE_FORCE);
}
while (force)
{
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_FACTION);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_SIDE);
set_file_enum (file_ptr, entity_side_names, get_local_entity_int_value (force, INT_TYPE_SIDE));
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_COLOUR);
set_file_enum (file_ptr, sys_colour_names, get_local_entity_int_value (force, INT_TYPE_COLOUR));
force = get_local_entity_child_pred (force, LIST_TYPE_FORCE);
}
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_END);
// Campaign saved filename
set_file_new_line (file_ptr, 1);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_SAVED_CAMPAIGN);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_PATH);
set_file_string (file_ptr, game_session->data_path);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_PATH);
set_file_string (file_ptr, game_session->campaign_directory);
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_FILENAME);
set_file_string (file_ptr, game_session->campaign_filename);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_new_line (file_ptr, 1);
//
// Version number
//
{
int
value;
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_VERSION_NUMBER);
value = get_local_entity_int_value ( get_session_entity (), INT_TYPE_VERSION_NUMBER );
set_file_int (file_ptr, value);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
}
// End
//VJ 051202 add season (camo) info to file description
//use set and get_global_season
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_SEASON);
set_file_int (file_ptr, (int) get_global_season() );
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
set_file_tag (file_ptr, application_tag_strings, FILE_TAG_END);
set_file_comment (file_ptr, "/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////");
fclose (file_ptr);
//
// Save entity data
//
file_ptr = fopen (data_filename, "wb");
if (file_ptr)
{
unsigned char
*save_ptr,
*buffer;
int
extra_data,
server_version_number,
buffer_size;
buffer_size = 1024 * 1024;
buffer = (unsigned char *) malloc_heap_mem (buffer_size);
save_ptr = buffer;
extra_data = 0;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// write out version number
server_version_number = get_local_entity_int_value (get_session_entity (), INT_TYPE_VERSION_NUMBER);
quick_set_list_item (save_ptr, int, server_version_number);
buffer_size -= sizeof (int);
extra_data += sizeof (int);
//
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// write out session
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
while (pack_session (save_ptr, &buffer_size, PACK_MODE_SERVER_SESSION))
{
debug_log ("SESSION: mallocing store pack buffer from %d to %d", buffer_size, buffer_size * 2);
free_mem (buffer);
buffer_size *= 2;
buffer = (unsigned char *) malloc_heap_mem (buffer_size);
save_ptr = buffer;
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// write out version number
server_version_number = get_local_entity_int_value (get_session_entity (), INT_TYPE_VERSION_NUMBER);
quick_set_list_item (save_ptr, int, server_version_number);
buffer_size -= sizeof (int);
//
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
}
fwrite (buffer, buffer_size + extra_data, 1, file_ptr);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
free_mem (buffer);
}
fclose (file_ptr);
//
//
//
// arneh feb 2009 - this call shouldn't be necessary, and it will double initialise things which confuses EECH
// set_current_game_session (game_session);
#endif
return TRUE;
}
void ui_draw_area (float x1, float y1, float x2, float y2, ui_object *obj)
{
float
new_x1,
new_y1,
new_x2,
new_y2;
int
state,
int_x1,
int_y1,
int_x2,
int_y2;
rgb_colour
background_colour,
top_line_colour,
bottom_line_colour,
left_line_colour,
right_line_colour;
state = get_ui_object_state (obj);
new_x1 = x1;
new_y1 = y1;
new_x2 = x2;
new_y2 = y2;
// clip area to ui viewport
ui_clip_area (&new_x1, &new_y1, &new_x2, &new_y2);
ui_clip_area (&x1, &y1, &x2, &y2);
// button coords should be in viewport coords,
// so add ui_origin to convert into screen coords
x1 += ui_x_origin;
y1 += ui_y_origin;
x2 += ui_x_origin;
y2 += ui_y_origin;
new_x1 += ui_x_origin;
new_y1 += ui_y_origin;
new_x2 += ui_x_origin;
new_y2 += ui_y_origin;
// check if possible to draw
if ((new_x2 - new_x1 < 2) || (new_y2 - new_y1 <= 2))
{
return;
}
// convert variabless to ints to save crap conversion
convert_float_to_int (new_x1, &int_x1);
convert_float_to_int (new_y1, &int_y1);
convert_float_to_int (new_x2, &int_x2);
convert_float_to_int (new_y2, &int_y2);
// assign correct colours
switch (state)
{
case UI_OBJECT_STATE_ON:
case UI_OBJECT_STATE_OFF:
{
background_colour = get_ui_object_colour (obj); //ui_area_background;
top_line_colour = ui_area_light_edge;
bottom_line_colour = ui_area_dark_edge;
left_line_colour = ui_area_light_edge;
right_line_colour = ui_area_dark_edge;
break;
}
case UI_OBJECT_STATE_HIGHLIGHTED:
{
background_colour = get_ui_object_highlighted_colour (obj); // ui_area_highlighted_background;
top_line_colour = ui_area_highlighted_light_edge;
bottom_line_colour = ui_area_highlighted_dark_edge;
left_line_colour = ui_area_highlighted_light_edge;
right_line_colour = ui_area_highlighted_dark_edge;
break;
}
}
// draw background
if (x1 != new_x1)
{
if (y1 != new_y1)
{
set_block (int_x1, int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1, int_y1 + 1, int_x2, int_y2, background_colour);
}
}
else if (y1 != new_y1)
{
set_block (int_x1 + 1 , int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1 + 1 , int_y1 + 1, int_x2, int_y2, background_colour);
}
// draw top line
if (y1 == new_y1)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 1, new_y1, new_x2 - 1, new_y1, top_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 1, new_y1, new_x2, new_y1, top_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y1, new_x2 - 1, new_y1, top_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x2, new_y1, top_line_colour);
}
}
// draw botton line
if (y2 == new_y2)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 1, new_y2, new_x2 - 1, new_y2, bottom_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 1, new_y2, new_x2, new_y2, bottom_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y2, new_x2 - 1, new_y2, bottom_line_colour);
}
else
{
draw_line (new_x1, new_y2, new_x2, new_y2, bottom_line_colour);
}
}
// draw left side
if (x1 == new_x1)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x1, new_y1 + 1, new_x1, new_y2 - 1, left_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x1, new_y1 + 1, new_x1, new_y2, left_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x1, new_y1, new_x1, new_y2 - 1, left_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x1, new_y2, left_line_colour);
}
}
// draw right side
if (x2 == new_x2)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x2, new_y1 + 1, new_x2, new_y2 - 1, right_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x2, new_y1 + 1, new_x2, new_y2, right_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x2, new_y1, new_x2, new_y2 - 1, right_line_colour);
}
else
{
draw_line (new_x2, new_y1, new_x2, new_y2, right_line_colour);
}
}
}
void scan_plain_line ( vertex *point1, vertex *point2 )
{
int
x,
y,
x2,
y2,
dx,
dy,
error;
convert_float_to_int ( point1->i, &x );
convert_float_to_int ( point1->j, &y );
convert_float_to_int ( point2->i, &x2 );
convert_float_to_int ( point2->j, &y2 );
// x = point1->i;
// y = point1->j;
// x2 = point2->i;
// y2 = point2->j;
//
if ( y2 < y_min )
{
y_min = y2;
}
else if ( y2 > y_max )
{
y_max = y2;
}
if ( y > y2 )
{
//
// Write to the RHS buffer
//
dy = ( y - y2 );
dx = ( x2 - x );
if ( dx < 0 )
{
dx = -dx;
if ( dx > dy )
{
error = ( ( dx ) >> 1 );
while ( x > x2 )
{
if ( ( error -= dy ) < 0 )
{
error += dx;
lhs_x[y] = x;
y--;
}
x--;
}
lhs_x[y] = x;
}
void render_cloud_polygon ( int number_of_points, cloud_3d_textured_reference *point_references, vertex *transformed_points, cloud_3d_point *source_points, float alpha_blend, screen *texture )
{
int
count,
alpha,
first_point,
this_point,
previous_point,
outcode,
outcode2;
vertex
*polygon;
first_point = point_references->point;
this_point = first_point;
outcode = transformed_points[this_point].outcode;
outcode2 = transformed_points[this_point].outcode;
convert_float_to_int ( ( source_points[this_point].a * alpha_blend * 255 ), &alpha );
transformed_points[this_point].u = point_references->u;
transformed_points[this_point].v = point_references->v;
transformed_points[this_point].alpha = alpha;
point_references++;
for ( count = 1; count < number_of_points; count++ )
{
previous_point = this_point;
this_point = point_references->point;
outcode |= transformed_points[this_point].outcode;
outcode2 &= transformed_points[this_point].outcode;
convert_float_to_int ( ( source_points[this_point].a * alpha_blend * 255 ), &alpha );
transformed_points[this_point].u = point_references->u;
transformed_points[this_point].v = point_references->v;
transformed_points[this_point].alpha = alpha;
cloud_transformed_3d_points[previous_point].next_vertex = &cloud_transformed_3d_points[this_point];
point_references++;
}
cloud_transformed_3d_points[this_point].next_vertex = NULL;
if ( !outcode2 )
{
polygon = &cloud_transformed_3d_points[first_point];
clip_3d_coord = 0;
if ( outcode & CLIP_HITHER )
{
polygon = hither_clip_3d_polygon ( polygon, &outcode );
if ( !polygon )
{
return;
}
}
if ( outcode )
{
apply_perspective_to_polygon_texture ( polygon );
polygon = clip_3d_polygon ( polygon, outcode );
if ( !polygon )
{
return;
}
remove_perspective_from_polygon_texture ( polygon );
}
if ( polygon )
{
set_d3d_int_state ( D3DRENDERSTATE_SPECULARENABLE, FALSE );
set_d3d_int_state ( D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA );
set_d3d_int_state ( D3DRENDERSTATE_DESTBLEND, D3DBLEND_INVSRCALPHA );
set_d3d_gouraud_shaded_textured_renderstate ( texture );
set_d3d_texture_stage_state ( 0, D3DTSS_ADDRESSU, D3DTADDRESS_WRAP );
set_d3d_texture_stage_state ( 0, D3DTSS_ADDRESSV, D3DTADDRESS_WRAP );
set_d3d_texture_stage_state ( 0, D3DTSS_MAGFILTER, D3DTFG_LINEAR );
set_d3d_texture_stage_state ( 0, D3DTSS_MINFILTER, D3DTFN_LINEAR );
{
int
number_of_vertices;
vertex
*vert;
LPD3DTLVERTEX vertices, vptr;
vert = polygon;
vertices = get_d3d_vertices_address ( polygon, &number_of_vertices );
vptr = vertices;
while ( vert )
{
real_colour
specular;
specular.colour = d3d_fog_intensity;
specular.red = vert->specular;
specular.green = vert->specular;
specular.blue = vert->specular;
*( ( int * ) &vptr->sx ) = *( ( int * ) &vert->i );
*( ( int * ) &vptr->sy ) = *( ( int * ) &vert->j );
*( ( int * ) &vptr->tu ) = *( ( int * ) &vert->u );
*( ( int * ) &vptr->tv ) = *( ( int * ) &vert->v );
*( ( int * ) &vptr->rhw ) = *( ( int * ) &vert->q );
vptr->sz = ( vert->q * zbuffer_factor ) + zbuffer_constant;
vptr->r = vert->red;
vptr->g = vert->green;
vptr->b = vert->blue;
vptr->a = vert->alpha;
vptr->color = vert->colour;
vptr->specular = specular.colour;
if ( vptr->sz >= 1.0 )
{
vptr->sz = 0.999;
}
vptr++;
vert = vert->next_vertex;
}
draw_fan_primitive ( number_of_vertices, vertices );
}
// draw_wbuffered_gouraud_shaded_textured_polygon ( polygon );
}
}
}
void draw_3d_sprite ( object_3d_sprite *sprite )
{
float
x,
y,
z,
q,
i,
j,
radius,
roll,
sin_roll,
cos_roll,
width,
height;
vertex
*poly,
sprite_quad[4];
vec2d
point1,
point2,
point3,
point4;
int
outcode;
number_of_sprites_in_3d_scene++;
x = sprite->position.x;
y = sprite->position.y;
z = sprite->position.z;
radius = sprite->radius;
roll = sprite->roll;
sin_roll = sin ( roll );
cos_roll = cos ( roll );
point1.x = ( -0.5 * ( +cos_roll ) ) + ( +0.5 * ( +sin_roll ) );
point1.y = ( -0.5 * ( -sin_roll ) ) + ( +0.5 * ( +cos_roll ) );
point2.x = ( -0.5 * ( +cos_roll ) ) + ( -0.5 * ( +sin_roll ) );
point2.y = ( -0.5 * ( -sin_roll ) ) + ( -0.5 * ( +cos_roll ) );
point3.x = ( +0.5 * ( +cos_roll ) ) + ( -0.5 * ( +sin_roll ) );
point3.y = ( +0.5 * ( -sin_roll ) ) + ( -0.5 * ( +cos_roll ) );
point4.x = ( +0.5 * ( +cos_roll ) ) + ( +0.5 * ( +sin_roll ) );
point4.y = ( +0.5 * ( -sin_roll ) ) + ( +0.5 * ( +cos_roll ) );
q = 1.0 / z;
i = ( active_3d_environment->screen_i_scale * x * q );
j = ( active_3d_environment->screen_j_scale * y * q );
i = active_3d_environment->x_origin + i;
j = active_3d_environment->y_origin - j;
width = active_3d_environment->screen_i_scale * radius * q;
height = active_3d_environment->screen_j_scale * radius * q;
sprite_quad[0].q = q;
sprite_quad[0].i = i + ( point1.x * width );
sprite_quad[0].j = j + ( point1.y * height );
sprite_quad[0].u = 0;
sprite_quad[0].v = 0;
sprite_quad[0].outcode = generate_3d_outcode ( sprite_quad[0].i, sprite_quad[0].j );
sprite_quad[0].next_vertex = &sprite_quad[1];
sprite_quad[1].q = q;
sprite_quad[1].i = i + ( point2.x * width );
sprite_quad[1].j = j + ( point2.y * height );
sprite_quad[1].u = 1;
sprite_quad[1].v = 0;
sprite_quad[1].outcode = generate_3d_outcode ( sprite_quad[1].i, sprite_quad[1].j );
sprite_quad[1].next_vertex = &sprite_quad[2];
sprite_quad[2].q = q;
sprite_quad[2].i = i + ( point3.x * width );
sprite_quad[2].j = j + ( point3.y * height );
sprite_quad[2].u = 1;
sprite_quad[2].v = 1;
sprite_quad[2].outcode = generate_3d_outcode ( sprite_quad[2].i, sprite_quad[2].j );
sprite_quad[2].next_vertex = &sprite_quad[3];
sprite_quad[3].q = q;
sprite_quad[3].i = i + ( point4.x * width );
sprite_quad[3].j = j + ( point4.y * height );
sprite_quad[3].u = 0;
sprite_quad[3].v = 1;
sprite_quad[3].outcode = generate_3d_outcode ( sprite_quad[3].i, sprite_quad[3].j );
sprite_quad[3].next_vertex = NULL;
outcode = sprite_quad[0].outcode;
outcode |= sprite_quad[1].outcode;
outcode |= sprite_quad[2].outcode;
outcode |= sprite_quad[3].outcode;
poly = sprite_quad;
if ( outcode )
{
clip_3d_coord = 0;
poly = clip_3d_polygon ( poly, outcode );
}
if ( poly )
{
real_colour
specular_colour;
specular_colour.colour = 0;
specular_colour.alpha = 255;
set_d3d_texture_stage_state ( 0, D3DTSS_MAGFILTER, D3DTFG_LINEAR );
set_d3d_texture_stage_state ( 0, D3DTSS_MINFILTER, D3DTFN_LINEAR );
set_d3d_texture_stage_state ( 0, D3DTSS_MIPFILTER, D3DTFP_POINT );
if (active_3d_environment->render_filter != RENDER_CLEAR )
{
float
r,
g,
b,
intensity;
int
ir,
ig,
ib;
real_colour
colour;
//
// Colour the additive to the light colour
//
colour.colour = sprite->colour;
r = colour.red;
g = colour.green;
b = colour.blue;
intensity = ( 0.3 * r ) + ( 0.59 * g ) + ( 0.11 * b );
r = intensity * ambient_3d_light.colour.red;
g = intensity * ambient_3d_light.colour.green;
b = intensity * ambient_3d_light.colour.blue;
convert_float_to_int ( r, &ir );
convert_float_to_int ( g, &ig );
convert_float_to_int ( b, &ib );
colour.colour = sprite->colour;
colour.red = ir;
colour.green = ig;
colour.blue = ib;
sprite->colour = colour.colour;
}
if ( sprite->additive )
{
set_d3d_int_state ( D3DRENDERSTATE_SRCBLEND, D3DBLEND_ONE );
set_d3d_int_state ( D3DRENDERSTATE_DESTBLEND, D3DBLEND_ONE );
set_d3d_flat_shaded_textured_renderstate ( sprite->texture );
draw_wbuffered_flat_shaded_textured_polygon ( poly, *( ( real_colour * ) &sprite->colour ), specular_colour );
}
else
{
set_d3d_int_state ( D3DRENDERSTATE_SRCBLEND, D3DBLEND_SRCALPHA );
set_d3d_int_state ( D3DRENDERSTATE_DESTBLEND, D3DBLEND_INVSRCALPHA );
set_d3d_flat_shaded_textured_renderstate ( sprite->texture );
draw_wbuffered_flat_shaded_textured_polygon ( poly, *( ( real_colour * ) &sprite->colour ), specular_colour );
}
}
}
void draw_3d_cloud_sector ( scene_slot_drawing_list *slot )
{
int
count;
float
current_sector_x_offset,
current_sector_z_offset;
double
tempx,
tempz;
vec3d
sector_centre,
sector_relative_centre;
cloud_3d_point
cloud_points[256];
float
cloud_polygon_alphas[256];
cloud_3d_textured_reference
point_references[4];
//
// Set the fog intensity for clouds ( NO FOG )
//
current_sector_x_offset = slot->cloud_sector.x * CLOUD_3D_SECTOR_SIDE_LENGTH;
current_sector_z_offset = slot->cloud_sector.z * CLOUD_3D_SECTOR_SIDE_LENGTH;
sector_centre.x = current_sector_x_offset + ( CLOUD_3D_SECTOR_SIDE_LENGTH / 2 );
sector_centre.y = cloud_3d_base_height;
sector_centre.z = current_sector_z_offset + ( CLOUD_3D_SECTOR_SIDE_LENGTH / 2 );
sector_centre.x -= visual_3d_vp->x;
sector_centre.y -= visual_3d_vp->y;
sector_centre.z -= visual_3d_vp->z;
sector_relative_centre.x = ( ( sector_centre.x ) * visual_3d_vp->xv.x +
( sector_centre.y ) * visual_3d_vp->xv.y +
( sector_centre.z ) * visual_3d_vp->xv.z );
sector_relative_centre.y = ( ( sector_centre.x ) * visual_3d_vp->yv.x +
( sector_centre.y ) * visual_3d_vp->yv.y +
( sector_centre.z ) * visual_3d_vp->yv.z );
sector_relative_centre.z = ( ( sector_centre.x ) * visual_3d_vp->zv.x +
( sector_centre.y ) * visual_3d_vp->zv.y +
( sector_centre.z ) * visual_3d_vp->zv.z );
set_d3d_fog_face_intensity ( 0 );
if ( d3d_flat_only_alpha )
{
int
number_of_sub_sectors,
number_of_points,
x,
z;
float
x_offset,
z_offset,
alpha;
number_of_sub_sectors = 1;
number_of_points = ( number_of_sub_sectors + 1 ) * ( number_of_sub_sectors + 1 );
count = 0;
for ( z = 0; z <= number_of_sub_sectors; z++ )
{
for ( x = 0; x <= number_of_sub_sectors; x++ )
{
vec3d
point_vector;
float
angle,
distance,
colour_t,
dr,
dg,
db,
r,
g,
b;
int
ir,
ig,
ib;
x_offset = ( -CLOUD_3D_SECTOR_SIDE_LENGTH/2 ) + ( ( ( float ) x / ( float ) number_of_sub_sectors ) * CLOUD_3D_SECTOR_SIDE_LENGTH );
z_offset = ( -CLOUD_3D_SECTOR_SIDE_LENGTH/2 ) + ( ( ( float ) z / ( float ) number_of_sub_sectors ) * CLOUD_3D_SECTOR_SIDE_LENGTH );
cloud_points[count].x = x_offset;
cloud_points[count].y = 0;
cloud_points[count].z = z_offset;
point_vector.x = sector_centre.x + x_offset;
point_vector.y = 0;
point_vector.z = sector_centre.z + z_offset;
distance = get_3d_vector_magnitude ( &point_vector );
if ( distance > 1 )
{
normalise_3d_vector_given_magnitude ( &point_vector, distance );
angle = ( ( point_vector.x * cloud_colour_blend_vector.x ) + ( point_vector.z * cloud_colour_blend_vector.z ) );
angle = bound ( angle, 0, 1 );
angle *= angle;
angle *= angle;
colour_t = ( distance / CLOUD_MAXIMUM_COLOUR_BLEND_DISTANCE );
colour_t = bound ( colour_t, 0, 1 );
colour_t *= angle;
}
else
{
colour_t = 0;
}
dr = active_3d_environment->cloud_light.object_colour.red - active_3d_environment->cloud_light.light_colour.red;
dg = active_3d_environment->cloud_light.object_colour.green - active_3d_environment->cloud_light.light_colour.green;
db = active_3d_environment->cloud_light.object_colour.blue - active_3d_environment->cloud_light.light_colour.blue;
r = active_3d_environment->cloud_light.light_colour.red + ( colour_t * dr );
g = active_3d_environment->cloud_light.light_colour.green + ( colour_t * dg );
b = active_3d_environment->cloud_light.light_colour.blue + ( colour_t * db );
convert_float_to_int ( r * 255.0, &ir );
convert_float_to_int ( g * 255.0, &ig );
convert_float_to_int ( b * 255.0, &ib );
cloud_points[count].red = ir;
cloud_points[count].green = ig;
cloud_points[count].blue = ib;
count++;
}
}
count = 0;
z_offset = -CLOUD_3D_SECTOR_SIDE_LENGTH/2 + ( CLOUD_3D_SECTOR_SIDE_LENGTH / ( number_of_sub_sectors * 2 ) );
for ( z = 0; z < number_of_sub_sectors; z++ )
{
x_offset = -CLOUD_3D_SECTOR_SIDE_LENGTH/2 + ( CLOUD_3D_SECTOR_SIDE_LENGTH / ( number_of_sub_sectors * 2 ) );
for ( x = 0; x < number_of_sub_sectors; x++ )
{
tempx = sector_centre.x + x_offset;
tempz = sector_centre.z + z_offset;
tempx *= tempx;
tempz *= tempz;
alpha = ( ( cloud_3d_blend_constant - ( tempx + tempz ) ) * cloud_3d_adjusted_blend_factor );
alpha = bound ( alpha, 0, 1 );
cloud_polygon_alphas[count] = alpha;
x_offset += CLOUD_3D_SECTOR_SIDE_LENGTH / ( number_of_sub_sectors * 1 );
count++;
}
z_offset += CLOUD_3D_SECTOR_SIDE_LENGTH / ( number_of_sub_sectors * 1 );
}
transform_cloud_points ( number_of_points, cloud_points, cloud_transformed_3d_points, §or_relative_centre );
//
// Render a quad twice, for the blending between cloud textures
//
count = 0;
z_offset = 0;
for ( z = 0; z < number_of_sub_sectors; z++ )
{
x_offset = 0;
for ( x = 0; x < number_of_sub_sectors; x++ )
{
int
tmp,
z_bottom_point_offset,
z_top_point_offset;
z_bottom_point_offset = z * ( number_of_sub_sectors + 1 );
z_top_point_offset = z_bottom_point_offset + ( number_of_sub_sectors + 1 );
if ( cloud_3d_base_height < visual_3d_vp->y )
{
point_references[3].point = x + z_bottom_point_offset;
point_references[3].u = x_offset;
point_references[3].v = z_offset;
point_references[2].point = x + z_bottom_point_offset + 1;
point_references[2].u = x_offset + ( 1.0 / number_of_sub_sectors );
point_references[2].v = z_offset;
point_references[1].point = x + z_top_point_offset + 1;
point_references[1].u = x_offset + ( 1.0 / number_of_sub_sectors );
point_references[1].v = z_offset + ( 1.0 / number_of_sub_sectors );
point_references[0].point = x + z_top_point_offset;
point_references[0].u = x_offset;
point_references[0].v = z_offset + ( 1.0 / number_of_sub_sectors );
}
else
{
point_references[0].point = x + z_bottom_point_offset;
point_references[0].u = x_offset;
point_references[0].v = z_offset;
point_references[1].point = x + z_bottom_point_offset + 1;
point_references[1].u = x_offset + ( 1.0 / number_of_sub_sectors );
point_references[1].v = z_offset;
point_references[2].point = x + z_top_point_offset + 1;
point_references[2].u = x_offset + ( 1.0 / number_of_sub_sectors );
point_references[2].v = z_offset + ( 1.0 / number_of_sub_sectors );
point_references[3].point = x + z_top_point_offset;
point_references[3].u = x_offset;
point_references[3].v = z_offset + ( 1.0 / number_of_sub_sectors );
}
for ( tmp = 0; tmp < 4; tmp++ )
{
cloud_points[ point_references[tmp].point ].a = cloud_polygon_alphas[count];
}
if ( current_weather_texture )
{
render_cloud_polygon ( 4, point_references, cloud_transformed_3d_points, cloud_points, cloud_weather_one_minus_blend_factor, current_weather_texture );
}
if ( target_weather_texture )
{
render_cloud_polygon ( 4, point_references, cloud_transformed_3d_points, cloud_points, cloud_weather_blend_factor, target_weather_texture );
}
x_offset += ( 1.0 / number_of_sub_sectors );
count++;
}
z_offset += ( 1.0 / number_of_sub_sectors );
}
}
else
{
cloud_points[0].x = -CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[0].y = 0;
cloud_points[0].z = -CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[1].x = +CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[1].y = 0;
cloud_points[1].z = -CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[2].x = +CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[2].y = 0;
cloud_points[2].z = +CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[3].x = -CLOUD_3D_SECTOR_SIDE_LENGTH/2;
cloud_points[3].y = 0;
cloud_points[3].z = +CLOUD_3D_SECTOR_SIDE_LENGTH/2;
for ( count = 0; count < 4; count++ )
{
vec3d
point_vector;
int
ir,
ig,
ib;
float
colour_t,
alpha,
distance,
angle,
dr,
dg,
db,
r,
g,
b;
tempx = sector_centre.x + cloud_points[count].x;
tempz = sector_centre.z + cloud_points[count].z;
point_vector.x = tempx;
point_vector.y = 0;
point_vector.z = tempz;
distance = get_3d_vector_magnitude ( &point_vector );
if ( distance > 1 )
{
normalise_3d_vector_given_magnitude ( &point_vector, distance );
angle = ( ( point_vector.x * cloud_colour_blend_vector.x ) + ( point_vector.z * cloud_colour_blend_vector.z ) );
angle = bound ( angle, 0, 1 );
angle *= angle;
angle *= angle;
colour_t = ( distance / CLOUD_MAXIMUM_COLOUR_BLEND_DISTANCE );
colour_t = bound ( colour_t, 0, 1 );
colour_t *= angle;
}
else
{
colour_t = 0;
}
alpha = ( ( cloud_3d_blend_constant - ( distance * distance ) ) * cloud_3d_adjusted_blend_factor );
cloud_points[count].a = bound ( alpha, 0, 1 );
dr = active_3d_environment->cloud_light.object_colour.red - active_3d_environment->cloud_light.light_colour.red;
dg = active_3d_environment->cloud_light.object_colour.green - active_3d_environment->cloud_light.light_colour.green;
db = active_3d_environment->cloud_light.object_colour.blue - active_3d_environment->cloud_light.light_colour.blue;
r = active_3d_environment->cloud_light.light_colour.red + ( colour_t * dr );
g = active_3d_environment->cloud_light.light_colour.green + ( colour_t * dg );
b = active_3d_environment->cloud_light.light_colour.blue + ( colour_t * db );
convert_float_to_int ( r * 255.0, &ir );
convert_float_to_int ( g * 255.0, &ig );
convert_float_to_int ( b * 255.0, &ib );
cloud_points[count].red = ir;
cloud_points[count].green = ig;
cloud_points[count].blue = ib;
/*
debug_log ( "( %d, %d, %d ) -> ( %d, %d, %d ) d( %d, %d, %d ) blend = %f = %d, %d, %d",
active_3d_environment->cloud_light.light_colour.red * 255,
active_3d_environment->cloud_light.light_colour.green * 255,
active_3d_environment->cloud_light.light_colour.blue * 255,
active_3d_environment->cloud_light.object_colour.red * 255,
active_3d_environment->cloud_light.object_colour.green * 255,
active_3d_environment->cloud_light.object_colour.blue * 255,
dr * 255,
dg * 255,
db * 255,
colour_t,
ir, ig, ib );
*/
}
transform_cloud_points ( 4, cloud_points, cloud_transformed_3d_points, §or_relative_centre );
//
// Render a quad twice, for the blending between cloud textures
//
if ( cloud_3d_base_height < visual_3d_vp->y )
{
point_references[3].point = 0; point_references[3].u = 0; point_references[3].v = 0;
point_references[2].point = 1; point_references[2].u = 1; point_references[2].v = 0;
point_references[1].point = 2; point_references[1].u = 1; point_references[1].v = 1;
point_references[0].point = 3; point_references[0].u = 0; point_references[0].v = 1;
}
else
{
point_references[0].point = 0; point_references[0].u = 0; point_references[0].v = 0;
point_references[1].point = 1; point_references[1].u = 1; point_references[1].v = 0;
point_references[2].point = 2; point_references[2].u = 1; point_references[2].v = 1;
point_references[3].point = 3; point_references[3].u = 0; point_references[3].v = 1;
}
if ( current_weather_texture )
{
render_cloud_polygon ( 4, point_references, cloud_transformed_3d_points, cloud_points, cloud_weather_one_minus_blend_factor, current_weather_texture );
}
if ( target_weather_texture )
{
render_cloud_polygon ( 4, point_references, cloud_transformed_3d_points, cloud_points, cloud_weather_blend_factor, target_weather_texture );
}
}
}
void render_clipped_3d_terrain_tree_textured_diffuse_lit_polygon ( object_3d_face *this_face, struct OBJECT_3D_INFO *object_base )
{
vertex
*poly;
texture_map
*texture;
texture = &system_textures[current_object_3d_surface->texture_index];
{
real_colour
colour;
float
red,
green,
blue;
int
ired,
igreen,
iblue;
//
// Look up the colour of the face normal
//
red = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].r;
green = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].g;
blue = current_object_3d_transformed_normals[current_object_3d_face_normal_list->point].b;
red *= current_tree_colour_red;
green *= current_tree_colour_green;
blue *= current_tree_colour_blue;
convert_float_to_int ( red, &ired );
convert_float_to_int ( green, &igreen );
convert_float_to_int ( blue, &iblue );
colour.red = ired;
colour.green = igreen;
colour.blue = iblue;
colour.alpha = 255;
poly = NULL;
/*construct_3d_vertex_textured_polygon ( this_face->number_of_points,
current_object_3d_point_list,
current_object_3d_texture_list,
object_base->points_base );
*/
clip_3d_coord = 0;
if ( current_object_3d_outcode & CLIP_HITHER )
{
poly = hither_clip_3d_polygon ( poly, ¤t_object_3d_outcode );
if ( !poly )
{
return;
}
}
if ( current_object_3d_outcode )
{
apply_perspective_to_polygon_texture ( poly );
poly = clip_3d_polygon ( poly, current_object_3d_outcode );
if ( !poly )
{
return;
}
remove_perspective_from_polygon_texture ( poly );
}
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMAG, current_object_3d_texture_filter );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREMIN, current_object_3d_texture_mipmap );
// set_d3d_int_state ( D3DRENDERSTATE_TEXTUREADDRESS, current_object_3d_texture_address );
// draw_d3d_flat_shaded_textured_polygon ( poly, texture, colour );
}
}
void ui_draw_button (float x1, float y1, float x2, float y2, int state)
{
float
new_x1,
new_y1,
new_x2,
new_y2;
int
int_x1,
int_y1,
int_x2,
int_y2;
rgb_colour
background_colour,
top_line_colour,
bottom_line_colour,
left_line_colour,
right_line_colour,
top_left_pixel_colour,
bottom_left_pixel_colour,
top_right_pixel_colour,
bottom_right_pixel_colour;
x1 -= ui_x_origin;
y1 -= ui_y_origin;
x2 -= ui_x_origin;
y2 -= ui_y_origin;
new_x1 = x1;
new_y1 = y1;
new_x2 = x2;
new_y2 = y2;
// clip button to ui viewport
ui_clip_area (&new_x1, &new_y1, &new_x2, &new_y2);
// button coords should be in viewport coords,
// so add ui_origin to convert into screen coords
x1 += ui_x_origin;
y1 += ui_y_origin;
x2 += ui_x_origin;
y2 += ui_y_origin;
new_x1 += ui_x_origin;
new_y1 += ui_y_origin;
new_x2 += ui_x_origin;
new_y2 += ui_y_origin;
// check if possible to draw
if ((new_x2 - new_x1 < 2) || (new_y2 - new_y1 <= 2))
{
return;
}
// convert variabless to ints to save crap conversion
convert_float_to_int (new_x1, &int_x1);
convert_float_to_int (new_y1, &int_y1);
convert_float_to_int (new_x2, &int_x2);
convert_float_to_int (new_y2, &int_y2);
// assign correct colours
switch (state)
{
case UI_OBJECT_STATE_ON:
{
background_colour = ui_button_down_background;
top_line_colour = ui_button_down_dark_edge;
bottom_line_colour = ui_button_down_light_edge;
left_line_colour = ui_button_down_dark_edge;
right_line_colour = ui_button_down_light_edge;
top_left_pixel_colour = ui_button_down_dark_edge;
bottom_left_pixel_colour = ui_button_down_light_edge;
top_right_pixel_colour = ui_button_down_light_edge;
bottom_right_pixel_colour = ui_button_down_light_edge;
break;
}
case UI_OBJECT_STATE_OFF:
{
background_colour = ui_button_up_background;
top_line_colour = ui_button_up_light_edge;
bottom_line_colour = ui_button_up_dark_edge;
left_line_colour = ui_button_up_light_edge;
right_line_colour = ui_button_up_dark_edge;
top_left_pixel_colour = ui_button_up_light_edge;
bottom_left_pixel_colour = ui_button_up_light_edge;
top_right_pixel_colour = ui_button_up_light_edge;
bottom_right_pixel_colour = ui_button_up_dark_edge;
break;
}
case UI_OBJECT_STATE_HIGHLIGHTED:
{
background_colour = ui_button_highlighted_background;
top_line_colour = ui_button_highlighted_light_edge;
bottom_line_colour = ui_button_highlighted_dark_edge;
left_line_colour = ui_button_highlighted_light_edge;
right_line_colour = ui_button_highlighted_dark_edge;
top_left_pixel_colour = ui_button_highlighted_light_edge;
bottom_left_pixel_colour = ui_button_highlighted_light_edge;
top_right_pixel_colour = ui_button_highlighted_light_edge;
bottom_right_pixel_colour = ui_button_highlighted_dark_edge;
break;
}
}
// draw background
if (x1 != new_x1)
{
if (y1 != new_y1)
{
set_block (int_x1, int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1, int_y1 + 1, int_x2, int_y2, background_colour);
}
}
else if (y1 != new_y1)
{
set_block (int_x1 + 1 , int_y1, int_x2, int_y2, background_colour);
}
else
{
set_block (int_x1 + 1 , int_y1 + 1, int_x2 - 1, int_y2 - 1, background_colour);
}
// draw top line
if (y1 == new_y1)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 2, new_y1, new_x2 - 2, new_y1, top_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 2, new_y1, new_x2, new_y1, top_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y1, new_x2 - 2, new_y1, top_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x2, new_y1, top_line_colour);
}
}
// draw botton line
if (y2 == new_y2)
{
if ((x1 == new_x1) && (x2 == new_x2))
{
draw_line (new_x1 + 2, new_y2, new_x2 - 2, new_y2, bottom_line_colour);
}
else if (x1 == new_x1)
{
draw_line (new_x1 + 2, new_y2, new_x2, new_y2, bottom_line_colour);
}
else if (x2 == new_x2)
{
draw_line (new_x1, new_y2, new_x2 - 2, new_y2, bottom_line_colour);
}
else
{
draw_line (new_x1, new_y2, new_x2, new_y2, bottom_line_colour);
}
}
// draw left side
if (x1 == new_x1)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x1, new_y1 + 2, new_x1, new_y2 - 2, left_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x1, new_y1 + 2, new_x1, new_y2, left_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x1, new_y1, new_x1, new_y2 - 2, left_line_colour);
}
else
{
draw_line (new_x1, new_y1, new_x1, new_y2, left_line_colour);
}
}
// draw right side
if (x2 == new_x2)
{
if ((y1 == new_y1) && (y2 == new_y2))
{
draw_line (new_x2, new_y1 + 2, new_x2, new_y2 - 2, right_line_colour);
}
else if (y1 == new_y1)
{
draw_line (new_x2, new_y1 + 2, new_x2, new_y2, right_line_colour);
}
else if (y2 == new_y2)
{
draw_line (new_x2, new_y1, new_x2, new_y2 - 2, right_line_colour);
}
else
{
draw_line (new_x2, new_y1, new_x2, new_y2, right_line_colour);
}
}
// draw odd pixels in corners
if (x1 == new_x1)
{
// top left
if (y1 == new_y1)
{
set_pixel (int_x1 + 1, int_y1 + 1, top_left_pixel_colour);
}
// bottom left
if (y2 == new_y2)
{
set_pixel (int_x1 + 1, int_y2 - 1, bottom_left_pixel_colour);
}
}
if (x2 == new_x2)
{
// top right
if (y1 == new_y1)
{
set_pixel (int_x2 - 1, int_y1 + 1, top_right_pixel_colour);
}
// bottom right
if (y2 == new_y2)
{
set_pixel (int_x2 - 1, int_y2 - 1, bottom_right_pixel_colour);
}
}
}
void draw_buffered_sorted_terrain_trees ( void )
{
buffered_tree
*tree;
tree = buffered_sorted_tree_tail;
while ( tree )
{
//
// Draw a tree object at ( x, y, z )
//
terrain_3d_tree_object->vp.x = tree->position.x;
terrain_3d_tree_object->vp.y = tree->position.y;
terrain_3d_tree_object->vp.z = tree->position.z;
terrain_3d_tree_object->relative_scale.x = tree->scale.x;
terrain_3d_tree_object->relative_scale.y = tree->scale.y;
terrain_3d_tree_object->relative_scale.z = tree->scale.z;
get_3d_transformation_matrix ( terrain_3d_tree_object->vp.attitude, 0, 0, 0 );
set_object_3d_instance_relative_position ( terrain_3d_tree_object );
if ( get_object_3d_instance_visibility ( terrain_3d_tree_object ) != OBJECT_3D_NOT_VISIBLE )
{
if ( terrain_3d_tree_object->rel_vp.z < 1024.0 )
{
float
alpha;
int
ialpha;
current_tree_colour_red = tree->colour.red;
current_tree_colour_green = tree->colour.green;
current_tree_colour_blue = tree->colour.blue;
current_tree_colour_red /= 255.0;
current_tree_colour_green /= 255.0;
current_tree_colour_blue /= 255.0;
//
// Set the alpha value here
//
if ( terrain_3d_tree_object->rel_vp.z > 512.0 )
{
alpha = 1024.0 - terrain_3d_tree_object->rel_vp.z;
alpha /= 512.0;
convert_float_to_int ( ( alpha * 255 ), &ialpha );
current_tree_colour_alpha = ialpha;
}
else
{
current_tree_colour_alpha = 255;
}
current_tree_colour_alpha = 255;
draw_3d_terrain_tree ( terrain_3d_tree_object );
}
}
tree = tree->pred;
}
}
static void update_weapon_loading_gunship_page (ui_object *obj, void *arg)
{
entity
*en;
gunship_types
gunship;
weapon_loading_hardpoint_types
hardpoint;
int
count,
fixed,
auw,
weapon_type;
float
mass;
ui_object
*button_object;
rgb_colour
*col;
ASSERT (obj);
en = get_local_entity_safe_ptr (get_ui_object_item_number (obj));
ASSERT (en);
gunship = get_local_entity_int_value (en, INT_TYPE_GUNSHIP_TYPE);
ASSERT (gunship < NUM_GUNSHIP_TYPES);
if (get_helicopter_allowed_to_rearm (en))
{
fixed = FALSE;
}
else
{
fixed = TRUE;
}
//
// Set button text
//
for (hardpoint = 0; hardpoint < NUM_WEAPON_LOADING_HARDPOINT_TYPES; hardpoint ++)
{
if (weapon_loading_button_list [gunship][hardpoint].valid)
{
button_object = weapon_loading_button_list [gunship][hardpoint].button_ptr;
weapon_type = weapon_loading_get_current_hardpoint_weapon (gunship, hardpoint);
//
// Set Text
//
if (weapon_type != ENTITY_SUB_TYPE_WEAPON_NO_WEAPON)
{
count = get_weapon_loading_hardpoint_weapon_count (en, hardpoint, weapon_type);
sprintf (buffer, "%dx %s", count, weapon_database [weapon_type].weapon_loading_list_name);
}
else
{
sprintf (buffer, "%s", weapon_database [weapon_type].weapon_loading_list_name);
}
set_ui_object_text (button_object, buffer);
//
// Set Button Attributes
//
if ((fixed) || (weapon_loading_get_valid_weapon_count (en, hardpoint) < 2))
{
set_ui_object_notify_on (button_object, NOTIFY_TYPE_NONE);
set_ui_object_highlightable (button_object, FALSE);
col = &ui_ingame_dead_text_colour;
set_ui_object_font_colour (button_object, col->r, col->g, col->b, col->a);
}
else
{
set_ui_object_notify_on (button_object, NOTIFY_TYPE_BUTTON_DOWN);
set_ingame_ui_object_mouse_over_properties (button_object);
}
}
}
//
// All-Up-Weight (player only)
//
if (en == get_gunship_entity ())
{
mass = set_flight_dynamics_mass ();
convert_float_to_int (mass, &auw);
sprintf (buffer, "%s: %dkg", get_trans ("All Up Weight"), auw);
set_ui_object_text (page_auw_text, buffer);
}
else
{
set_ui_object_text (page_auw_text, "");
}
//
// Fuel Page (player only)
//
if (en == get_gunship_entity ())
{
sprintf (buffer, " %.0fkg", get_current_flight_dynamics_fuel_weight ());
set_ui_object_text (page_fuel_gauge, buffer);
set_ui_object_drawable (page_fuel_text, TRUE);
set_ui_object_drawable (page_fuel_gauge, TRUE);
draw_weapon_loading_gauge (page_fuel_gauge, get_dynamics_normalised_fuel_value ());
}
else
{
set_ui_object_drawable (page_fuel_text, FALSE);
set_ui_object_drawable (page_fuel_gauge, FALSE);
}
//
// Damage Page (player only)
//
set_ui_object_drawable (page_repairing_text, FALSE);
set_ui_object_drawable (page_repairing_gauge, FALSE);
if (en == get_gunship_entity ())
{
int
repair_index;
float
level,
repair_time;
if (current_flight_dynamics->repairing_damage != DYNAMICS_DAMAGE_NONE)
{
repair_index = get_dynamics_damage_currently_repairing_type ();
repair_time = dynamics_damage_database [repair_index].repair_time;
if (repair_time == 0.0)
{
level = 1.0;
}
else
{
level = 1.0 - (current_flight_dynamics->damage_repair_time / repair_time);
level = bound (level, 0.0, 1.0);
}
sprintf (buffer, " %s", get_trans (dynamics_damage_database [repair_index].name));
set_ui_object_text (page_repairing_gauge, buffer);
set_ui_object_drawable (page_repairing_text, TRUE);
set_ui_object_drawable (page_repairing_gauge, TRUE);
draw_weapon_loading_gauge (page_repairing_gauge, level);
}
}
}
void draw_line ( float fx1, float fy1, float fx2, float fy2, rgb_colour colour )
{
ASSERT ( active_screen );
if ( get_screen_locked ( active_screen ) )
{
int
x1,
y1,
x2,
y2,
dx,
dy,
error,
screen_pitch;
unsigned char
*screen_data;
if ( active_screen->pixel_length <= 16 )
{
unsigned short int
col;
col = get_packed_colour (colour);
screen_data = get_screen_data (active_screen);
screen_pitch = get_screen_pitch (active_screen);
convert_float_to_int ( fx1, &x1 );
convert_float_to_int ( fy1, &y1 );
convert_float_to_int ( fx2, &x2 );
convert_float_to_int ( fy2, &y2 );
dx = x2 - x1;
if ( dx < 0 )
{
dx = -dx;
dy = y2 - y1;
if ( dy < 0 )
{
dy = -dy;
if ( dx > dy )
{
error = ( ( dx + 1 ) >> 1 );
for ( ; x1 >= x2; x1-- )
{
*((USHORT *) (screen_data + y1 * screen_pitch) + x1) = col;
if ( ( error -= dy ) <= 0 )
{
error += dx;
y1--;
}
}
}
else
{
