bool contact_added_callback( btManifoldPoint &btmanifoldpoint,
const btCollisionObject *btcollisionobject0,
int part_0, int index_0,
const btCollisionObject *btcollisionobject1,
int part_1, int index_1 ) {
OBJMESH *objmesh0 = ( OBJMESH * )( ( btRigidBody * )btcollisionobject0 )->getUserPointer();
OBJMESH *objmesh1 = ( OBJMESH * )( ( btRigidBody * )btcollisionobject1 )->getUserPointer();
console_print("Object #0: %s\n", objmesh0->name );
console_print("Point #0: %.3f %.3f %.3f\n",
btmanifoldpoint.m_positionWorldOnA.x(),
btmanifoldpoint.m_positionWorldOnA.y(),
btmanifoldpoint.m_positionWorldOnA.z() );
console_print("Object #1: %s\n", objmesh1->name );
console_print("Point #1: %.3f %.3f %.3f\n",
btmanifoldpoint.m_positionWorldOnB.x(),
btmanifoldpoint.m_positionWorldOnB.y(),
btmanifoldpoint.m_positionWorldOnB.z() );
console_print("Normal : %.3f %.3f %.3f\n",
btmanifoldpoint.m_normalWorldOnB.x(),
btmanifoldpoint.m_normalWorldOnB.y(),
btmanifoldpoint.m_normalWorldOnB.z() );
console_print( "%d\n\n", get_milli_time() );
return false;
}
/*
* btManifoldPoint &btmanifoldpoint: Current contact point info
* const btCollisionObject *btcollisionobject0: First collision object
* int part_0: Part number of first collision object
* int index_0: Index of the first collision object
* const btCollisionObject *btcollisionobject1: Second collision object
* int part_1: Part number of first collision object
* int index_1: Index of the second collision object
*/
bool contact_added_callback(btManifoldPoint &btmanifoldpoint,
const btCollisionObject *btcollisionobject0,
int part_0, int index_0,
const btCollisionObject *btcollisionobject1,
int part_1, int index_1)
{
/* Remember the user point (setUserPointer) that you set up earlier?
* It is now time to retrieve it to check which geometry you are dealing with.
* To do this, first extract which rigid body is associated to the current
* collision object. Then cast the user pointer back to an OBJMESH pointer.
* This way, all the variables and functions of the OBJMESH can be called or
* manipulated with the callback. Very convenient!
*/
OBJMESH *objmesh0 = (OBJMESH *)((btRigidBody *)btcollisionobject0)->getUserPointer();
OBJMESH *objmesh1 = (OBJMESH *)((btRigidBody *)btcollisionobject1)->getUserPointer();
/* Print the name of the first mesh. */
console_print("Object #0: %s\n", objmesh0->name);
/* Print the XYZ location on the mesh where the contact point is added. */
console_print("Point #0: %.3f %.3f %.3f\n",
btmanifoldpoint.m_positionWorldOnA.x(),
btmanifoldpoint.m_positionWorldOnA.y(),
btmanifoldpoint.m_positionWorldOnA.z());
/* Same as above for the second mesh. */
console_print("Object #1: %s\n", objmesh1->name);
console_print("Point #1: %.3f %.3f %.3f\n",
btmanifoldpoint.m_positionWorldOnB.x(),
btmanifoldpoint.m_positionWorldOnB.y(),
btmanifoldpoint.m_positionWorldOnB.z());
/* Print the normal vector at the current location of the contact point on
* the second geometry.
*/
console_print("Normal : %.3f %.3f %.3f\n",
btmanifoldpoint.m_normalWorldOnB.x(),
btmanifoldpoint.m_normalWorldOnB.y(),
btmanifoldpoint.m_normalWorldOnB.z());
console_print("%d\n\n", get_milli_time());
/* Return true only if you change any variables of the contact point
* such as the friction).
*/
return false;
}
void templateAppInit( int width, int height ) {
atexit( templateAppExit );
GFX_start();
AUDIO_start();
thread = THREAD_create( decompress_stream, NULL, THREAD_PRIORITY_NORMAL, 1 );
glViewport( 0.0f, 0.0f, width, height );
glGetIntegerv( GL_VIEWPORT, viewport_matrix );
srandom( get_milli_time() );
load_level();
}
void templateAppDraw( void ) {
glClearColor( 0.5f, 0.5f, 0.5f, 1.0f );
glClear( GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT );
GFX_set_matrix_mode( PROJECTION_MATRIX );
GFX_load_identity();
GFX_set_perspective( 80.0f,
( float )viewport_matrix[ 2 ] / ( float )viewport_matrix[ 3 ],
1.0f,
1000.0f,
-90.0f );
if( game_over == 2 ) {
templateAppExit();
load_game();
game_over = 0;
}
GFX_set_matrix_mode( MODELVIEW_MATRIX );
GFX_load_identity();
if( view_delta.x || view_delta.y ) {
if( view_delta.y ) next_rotz -= view_delta.y;
if( view_delta.x ) {
next_rotx -= view_delta.x;
next_rotx = CLAMP( next_rotx, 0.0f, 90.0f );
}
view_delta.x =
view_delta.y = 0.0f;
}
rotx = rotx * 0.9f + next_rotx * 0.1f;
rotz = rotz * 0.9f + next_rotz * 0.1f;
eye.x = center.x +
distance *
cosf( rotx * DEG_TO_RAD ) *
sinf( rotz * DEG_TO_RAD );
eye.y = center.y -
distance *
cosf( rotx * DEG_TO_RAD ) *
cosf( rotz * DEG_TO_RAD );
eye.z = center.z +
distance *
sinf( rotx * DEG_TO_RAD );
rotx = rotx * 0.9f + next_rotx * 0.1f;
rotz = rotz * 0.9f + next_rotz * 0.1f;
center.x = maze->location.x;
center.y = maze->location.y;
center.z = maze->location.z;
GFX_look_at( &eye,
¢er,
&up );
if( double_tap ) {
vec3 location;
if( GFX_unproject( view_location.x,
viewport_matrix[ 3 ] - view_location.y,
1.0f,
GFX_get_modelview_matrix(),
GFX_get_projection_matrix(),
viewport_matrix,
&location.x,
&location.y,
&location.z ) ) {
btVector3 ray_from( eye.x,
eye.y,
eye.z ),
ray_to( location.x + eye.x,
location.y + eye.y,
location.z + eye.z );
btCollisionWorld::ClosestRayResultCallback collision_ray( ray_from,
ray_to );
dynamicsworld->rayTest( ray_from,
ray_to,
collision_ray );
if( collision_ray.hasHit() &&
collision_ray.m_collisionObject == maze->btrigidbody ) {
collision_ray.m_hitNormalWorld.normalize();
if( collision_ray.m_hitNormalWorld.z() == 1.0f ) {
navigationpath_player.start_location.x = player->location.x;
navigationpath_player.start_location.y = player->location.y;
navigationpath_player.start_location.z = player->location.z;
navigationpath_player.end_location.x = collision_ray.m_hitPointWorld.x();
navigationpath_player.end_location.y = collision_ray.m_hitPointWorld.y();
navigationpath_player.end_location.z = collision_ray.m_hitPointWorld.z();
if( NAVIGATION_get_path( navigation,
&navigationpath_player,
&navigationpathdata_player ) ) {
player_next_point = 1;
unsigned int i = 0;
while( i != navigationpathdata_player.path_point_count + 1 ) {
console_print( "%d: %f %f %f\n",
i,
navigationpathdata_player.path_point_array[ i ].x,
navigationpathdata_player.path_point_array[ i ].y,
navigationpathdata_player.path_point_array[ i ].z );
++i;
}
printf( "\n" );
}
}
}
}
double_tap = 0;
}
if( navigationpathdata_player.path_point_count ) {
vec3 color = { 0.0f, 0.0f, 1.0f };
draw_navigation_points( &navigationpathdata_player, &color );
move_entity( player,
&navigationpathdata_player,
&player_next_point,
3.0f );
}
static unsigned int start_time = get_milli_time();
if( get_milli_time() - start_time > 1000 ) {
navigationpath_enemy.start_location.x = enemy->location.x;
navigationpath_enemy.start_location.y = enemy->location.y;
navigationpath_enemy.start_location.z = enemy->location.z;
navigationpath_enemy.end_location.x = player->location.x;
navigationpath_enemy.end_location.y = player->location.y;
navigationpath_enemy.end_location.z = player->location.z;
NAVIGATION_get_path( navigation,
&navigationpath_enemy,
&navigationpathdata_enemy );
enemy_next_point = 1;
start_time = get_milli_time();
}
if( navigationpathdata_enemy.path_point_count ) {
vec3 color = { 1.0f, 0.0f, 0.0f };
move_entity( enemy,
&navigationpathdata_enemy,
&enemy_next_point,
4.0f );
draw_navigation_points( &navigationpathdata_enemy, &color );
}
PROGRAM_draw( program );
glUniform1i( PROGRAM_get_uniform_location( program, ( char * )"DIFFUSE" ), 1 );
unsigned int i = 0;
while( i != obj->n_objmesh ) {
OBJMESH *objmesh = &obj->objmesh[ i ];
GFX_push_matrix();
mat4 mat;
objmesh->btrigidbody->getWorldTransform().getOpenGLMatrix( ( float * )&mat );
memcpy( &objmesh->location, ( vec3 * )&mat.m[ 3 ], sizeof( vec3 ) );
GFX_multiply_matrix( &mat );
glUniformMatrix4fv( PROGRAM_get_uniform_location( program, ( char * )"MODELVIEWPROJECTIONMATRIX" ),
1,
GL_FALSE,
( float * )GFX_get_modelview_projection_matrix() );
OBJ_draw_mesh( obj, i );
GFX_pop_matrix();
++i;
}
if( !game_over ) dynamicsworld->stepSimulation( 1.0f / 60.0f );
else {
GFX_set_matrix_mode( PROJECTION_MATRIX );
GFX_load_identity();
float half_width =
( float )viewport_matrix[ 2 ] * 0.5f,
half_height =
( float )viewport_matrix[ 3 ] * 0.5f;
GFX_set_orthographic_2d( -half_width,
half_width,
-half_height,
half_height );
GFX_rotate( -90.0f, 0.0f, 0.0f, 1.0f );
GFX_translate( -half_height, -half_width, 0.0f );
GFX_set_matrix_mode( MODELVIEW_MATRIX );
GFX_load_identity();
vec4 color = { 0.0f, 0.0f, 0.0f, 1.0f };
char msg[ MAX_CHAR ] = {"GAME OVER!"};
if( !font ) {
font = FONT_init( ( char * )"foo.ttf" );
FONT_load( font,
font->name,
1,
64.0f,
512,
512,
32,
96 );
}
float posx = ( viewport_matrix[ 3 ] * 0.5f ) -
( FONT_length( font, msg ) * 0.5f ),
posy = viewport_matrix[ 2 ] - font->font_size;
FONT_print( font,
posx + 4.0f,
posy - 4.0f,
msg,
&color );
color.y = 1.0f;
FONT_print( font,
posx,
posy,
msg,
&color );
}
}
