void templateAppInit(int width, int height)
{
GFX_start();
glViewport(0.0f, 0.0f, width, height);
GFX_set_matrix_mode(PROJECTION_MATRIX);
{
float half_width = (float)width * 0.5f, half_height = (float)height *0.5f;
GFX_load_identity();
GFX_set_orthographic_2d(-half_width, half_width, -half_height, half_height);
GFX_translate(-half_width, -half_height, 0.0f);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
}
program = PROGRAM_init((char *)"default");
program->vertex_shader = SHADER_init(VERTEX_SHADER, GL_VERTEX_SHADER);
program->fragment_shader = SHADER_init(FRAGMENT_SHADER, GL_FRAGMENT_SHADER);
m = mopen(VERTEX_SHADER, 1);
if (m) {
if (!SHADER_compile(program->vertex_shader, (char *)m->buffer, DEBUG_SHADERS))
exit(1);
}
m = mclose(m);
m = mopen(FRAGMENT_SHADER, 1);
if (m) {
if (!SHADER_compile(program->fragment_shader, (char *)m->buffer, DEBUG_SHADERS))
exit(2);
}
m = mclose(m);
if (!PROGRAM_link(program, DEBUG_SHADERS))
exit(3);
}
void templateAppInit( int width, int height )
{
atexit( templateAppExit );
GFX_start();
glViewport( 0.0f, 0.0f, width, height );
GFX_set_matrix_mode( PROJECTION_MATRIX );
{
GFX_load_identity();
//设置为透视投影
GFX_set_perspective( 45.0f,
( float )width / ( float )height,
0.01f,
100.0f,
0.0f );
//角度越大，视角范围越宽广，相反，角度越小媒，投影也越窄
glDisable( GL_CULL_FACE );
}
program = PROGRAM_init( ( char * )"default" );
program->vertex_shader = SHADER_init( VERTEX_SHADER, GL_VERTEX_SHADER );
program->fragment_shader = SHADER_init( FRAGMENT_SHADER, GL_FRAGMENT_SHADER );
m = mopen( VERTEX_SHADER, 1 );
if( m ) {
if( !SHADER_compile( program->vertex_shader,
( char * )m->buffer,
DEBUG_SHADERS ) ) exit( 1 );
}
m = mclose( m );
m = mopen( FRAGMENT_SHADER, 1 );
if( m ) {
if( !SHADER_compile( program->fragment_shader,
( char * )m->buffer,
DEBUG_SHADERS ) ) exit( 2 );
}
m = mclose( m );
if( !PROGRAM_link( program, DEBUG_SHADERS ) ) exit( 3 );
}
void templateAppInit(int width, int height)
{
GFX_start();
glViewport(0.0f, 0.0f, width, height);
GFX_set_matrix_mode(PROJECTION_MATRIX);
GFX_load_identity();
GFX_set_perspective(45.0f, (float)width / (float)height, 0.1f, 100.0f, -90.0f);
obj = OBJ_load(OBJ_FILE, 1);
unsigned int i = 0;
while (i != obj->n_objmesh) {
OBJ_build_mesh(obj, i);
OBJ_free_mesh_vertex_data(obj, i);
++i;
}
i = 0;
while (i != obj->n_texture) {
OBJ_build_texture(obj, i, obj->texture_path, TEXTURE_MIPMAP, TEXTURE_FILTER_2X, 0.0f);
++i;
}
i = 0;
while (i != obj->n_objmaterial) {
MEMORY *fragment_shader = mopen((char *)"fragment.glsl", 1);
MEMORY *vertex_shader = mopen((char *)"vertex.glsl", 1);
OBJMATERIAL *objmaterial = &obj->objmaterial[i];
OBJ_build_material(obj, i, NULL);
if (objmaterial->dissolve == 1.0f)
minsert(fragment_shader, (char *)"#define SOLID_OBJECT\n", 0);
else if (!objmaterial->dissolve)
minsert(fragment_shader, (char *)"#define ALPHA_TESTED_OBJECT\n", 0);
else
minsert(fragment_shader, (char *)"#define TRANSPARENT_OBJECT\n", 0);
if (objmaterial->illumination_model) {
minsert(vertex_shader, (char *)"#define LIGHTING_SHADER\n", 0);
minsert(fragment_shader, (char *)"#define LIGHTING_SHADER\n", 0);
}
objmaterial->program = PROGRAM_init(objmaterial->name);
objmaterial->program->vertex_shader = SHADER_init((char *)"vertex", GL_VERTEX_SHADER);
objmaterial->program->fragment_shader = SHADER_init((char *)"fragment", GL_FRAGMENT_SHADER);
SHADER_compile(objmaterial->program->vertex_shader, (char *)vertex_shader->buffer, 1);
SHADER_compile(objmaterial->program->fragment_shader, (char *)fragment_shader->buffer, 1);
PROGRAM_set_bind_attrib_location_callback(objmaterial->program, program_bind_attrib_location);
PROGRAM_link(objmaterial->program, 1);
OBJ_set_draw_callback_material(obj, i, material_draw_callback);
mclose(fragment_shader);
mclose(vertex_shader);
++i;
}
}
FONT *FONT_init( char *name )
{
FONT *font = ( FONT * ) calloc( 1, sizeof( FONT ) );
strcpy( font->name, name );
font->program = PROGRAM_init( name );
font->program->vertex_shader = SHADER_init( name, GL_VERTEX_SHADER );
SHADER_compile( font->program->vertex_shader,
"uniform mediump mat4 MODELVIEWPROJECTIONMATRIX;"
"attribute mediump vec2 POSITION;"
"attribute lowp vec2 TEXCOORD0;"
"varying lowp vec2 texcoord0;"
"void main( void ) {"
"texcoord0 = TEXCOORD0;"
"gl_Position = MODELVIEWPROJECTIONMATRIX * vec4( POSITION.x, POSITION.y, 0.0, 1.0 ); }",
0 );
font->program->fragment_shader = SHADER_init( name, GL_FRAGMENT_SHADER );
SHADER_compile( font->program->fragment_shader,
"uniform sampler2D DIFFUSE;"
"uniform lowp vec4 COLOR;"
"varying lowp vec2 texcoord0;"
"void main( void ) {"
"lowp vec4 color = texture2D( DIFFUSE, texcoord0 );"
"color.x = COLOR.x;"
"color.y = COLOR.y;"
"color.z = COLOR.z;"
"color.w *= COLOR.w;"
"gl_FragColor = color; }",
0 );
PROGRAM_link( font->program, 0 );
return font;
}
/*!
Helper function to debug draw the navigation mesh. Call this function at the end of your
rendering loop to overlay the navigation mesh on top of your current scene.
\param[in] navigation A valid NAVIGATION structure pointer.
*/
void NAVIGATION_draw( NAVIGATION *navigation )
{
if( !navigation->program )
{
navigation->program = PROGRAM_init( navigation->name );
navigation->program->vertex_shader = SHADER_init( navigation->name, GL_VERTEX_SHADER );
SHADER_compile( navigation->program->vertex_shader,
"uniform highp mat4 MODELVIEWPROJECTIONMATRIX;"
"attribute highp vec3 POSITION;"
"void main( void ) {"
"gl_Position = MODELVIEWPROJECTIONMATRIX * vec4( POSITION, 1.0 ); }",
0 );
navigation->program->fragment_shader = SHADER_init( navigation->name, GL_FRAGMENT_SHADER );
SHADER_compile( navigation->program->fragment_shader,
"void main( void ) {"
"gl_FragColor = vec4( 0.25, 0.5, 1.0, 0.65 ); }",
0 );
PROGRAM_link( navigation->program, 0 );
}
char vertex_attribute = PROGRAM_get_vertex_attrib_location( navigation->program,
( char * )"POSITION" );
glBindVertexArrayOES( 0 );
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
PROGRAM_draw( navigation->program );
glUniformMatrix4fv( PROGRAM_get_uniform_location( navigation->program, ( char * )"MODELVIEWPROJECTIONMATRIX"),
1,
GL_FALSE,
( float * )GFX_get_modelview_projection_matrix() );
glEnableVertexAttribArray( vertex_attribute );
unsigned int j = 0;
while( j != navigation->dtnavmesh->getMaxTiles() )
{
dtMeshTile *_dtMeshTile = navigation->dtnavmesh->getTile( j );
if( !_dtMeshTile->header )
{ continue; }
unsigned int k = 0;
while( k != _dtMeshTile->header->polyCount )
{
dtPoly *_dtPoly = &_dtMeshTile->polys[ k ];
if( _dtPoly->type == DT_POLYTYPE_OFFMESH_CONNECTION )
{ continue; }
else
{
dtPolyDetail* pd = &_dtMeshTile->detailMeshes[ k ];
unsigned int l = 0;
while( l != pd->triCount )
{
vec3 v[ 3 ];
const unsigned char *t = &_dtMeshTile->detailTris[ ( pd->triBase + l ) << 2 ];
int m = 2;
while( m != -1 )
{
if( t[ m ] < _dtPoly->vertCount )
{
memcpy( &v[ m ],
&_dtMeshTile->verts[ _dtPoly->verts[ t[ m ] ] * 3 ],
sizeof( vec3 ) );
recast_to_vec3( &v[ m ] );
}
else
{
memcpy( &v[ m ],
&_dtMeshTile->detailVerts[ ( pd->vertBase + t[ m ] - _dtPoly->vertCount ) * 3 ],
sizeof( vec3 ) );
recast_to_vec3( &v[ m ] );
}
--m;
}
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, 0, ( float * )v );
glDrawArrays( GL_TRIANGLES, 0, 3 );
++l;
}
}
++k;
}
++j;
}
glDisable( GL_BLEND );
}