bool terrain_del (terrain_t *t)
{
if (t->state != TERRAIN_STATE_WAITING)
return false;
t->state = TERRAIN_STATE_DELETED;
t->next->prev = t->prev;
t->prev->next = t->next;
vbo_free (&t->vbo_id);
free (t);
return true;
}
inst_t::~inst_t()
{
svec_iter_t iter;
vbo_model_t *vbo_model;
model_d_t *model_d;
svec_iter_init(&iter, &vbo_modelv);
while ( (vbo_model = (vbo_model_t *) svec_iter_next(&iter)) )
vbo_free(vbo_model);
svec_iter_init(&iter, &model_dv);
while ( (model_d = (model_d_t *) svec_iter_next(&iter)) )
model_d_free(model_d);
svec_free(&vbo_modelv);
svec_free(&model_dv);
delete controller;
}
void gl_render_terrain (terrain_t *t, camera_t *c)
{
//#define FRUSTUM 1
#ifdef FRUSTUM
if (frustum_check (t, c) == false)
return;
#endif
if (t->state & TERRAIN_STATE_UPDATE)
vbo_free (&t->vbo_id);
if (!t->vbo_id)
t->vbo_id = vbo_alloc (t->gl_buf, t->gl_buf_len * sizeof (float) * 9);
glBindBuffer (GL_ARRAY_BUFFER, t->vbo_id);
/* Vykreslovani terenu */
glm::mat4 mdl_matrix;
mdl_matrix = glm::translate (glm::vec3 (t->origin_x-TERRAIN_DIM, t->origin_z, t->origin_y-TERRAIN_DIM));
/* enable program and set uniform variables */
glUseProgram (shader[0]);
glm::mat4 tmp = c->view * mdl_matrix;
int uniform = glGetUniformLocation (shader[0], "PMatrix");
glUniformMatrix4fv (uniform, 1, GL_FALSE, (float*)&c->projection[0]);
uniform = glGetUniformLocation (shader[0], "VMatrix");
glUniformMatrix4fv (uniform, 1, GL_FALSE, (float*)&c->view[0]);
uniform = glGetUniformLocation (shader[0], "MVMatrix");
glUniformMatrix4fv (uniform, 1, GL_FALSE, (float*)&tmp[0]);
uniform = glGetUniformLocation (shader[0], "NormalMatrix");
glUniformMatrix3fv (uniform, 1, GL_FALSE, (float*)&(glm::inverseTranspose(glm::mat3(tmp)))[0]);
shader_getuniform_light (shader[0], &light[0]);
shader_getuniform_material (shader[0], &mat[0]);
GLuint tex_id = glGetUniformLocation (shader[0], "tex_sampler0");
glUniform1i (tex_id, 0);
tex_id = glGetUniformLocation (shader[0], "tex_sampler1");
glUniform1i (tex_id, 1);
tex_id = glGetUniformLocation (shader[0], "tex_sampler2");
glUniform1i (tex_id, 2);
/* texura */
glActiveTexture (GL_TEXTURE2);
glBindTexture (GL_TEXTURE_2D, tex_get (4));
glActiveTexture (GL_TEXTURE1);
glBindTexture (GL_TEXTURE_2D, tex_get (3));
glActiveTexture (GL_TEXTURE0);
glBindTexture (GL_TEXTURE_2D, tex_get (2));
glEnableVertexAttribArray (0);
glEnableVertexAttribArray (1);
glEnableVertexAttribArray (2);
glEnableVertexAttribArray (3);
glVertexAttribPointer (0, 3, GL_FLOAT, GL_FALSE, (9 * sizeof(GLfloat)), 0);
glVertexAttribPointer (1, 3, GL_FLOAT, GL_FALSE, (9 * sizeof(GLfloat)), (GLvoid *) (3 * sizeof(GLfloat)));
glVertexAttribPointer (2, 2, GL_FLOAT, GL_FALSE, (9 * sizeof(GLfloat)), (GLvoid *) (6 * sizeof(GLfloat)));
glVertexAttribPointer (3, 1, GL_FLOAT, GL_FALSE, (9 * sizeof(GLfloat)), (GLvoid *) (8 * sizeof(GLfloat)));
/* k vykresleni pouzivame Vertex Buffer Object */
glDrawArrays (GL_TRIANGLES, 0, t->gl_buf_len);
glDisableVertexAttribArray (0);
glDisableVertexAttribArray (1);
glDisableVertexAttribArray (2);
glDisableVertexAttribArray (3);
glBindBuffer (GL_ARRAY_BUFFER, 0);
/* vypneme shader */
glUseProgram (0);
}
void free_geometry()
{
vbo_free();
}
