void set_matrix_item(float *matrix, int width, int height, int scale) {
float xoffset = 1 - (scale * 64) / width * 2;
float yoffset = 1 - (scale * 64) / height * 2;
set_matrix_item_r(matrix, width, height, scale * 64, xoffset, yoffset,
-PI/4, -PI/10, 0);
}
// Render a cube with ID w at x, y. This function is used to render the inventory
// blocks, like the belt and the inventory screen.
void render_inventory_block(Attrib *attrib, int w, float s, float x, float y, int flag) {
glUseProgram(attrib->program);
glUniform3f(attrib->camera, 0, 0, 5);
glUniform1i(attrib->sampler, 0); // GL_TEXTURE0
glUniform1f(attrib->timer, PI*2);
float identity[16];
mat_identity(identity);
glUniformMatrix4fv(attrib->extra5, 1, GL_FALSE, identity);
float matrix[16];
GLuint buffer;
// Default block rotations
float rx = -PI/4;
float ry = -PI/10;
float rz = 0;
float dz = 0;
switch (flag) {
case 1:
rx = -PI/8;
break;
case 2:
rx = -PI/8;
ry = -PI/10;
rz = -PI/16;
dz = -1.0;
break;
case 3:
rx = -PI/8;
ry = -PI/10;
rz = -PI/16;
dz = 2.0;
break;
}
set_matrix_item_r(matrix, g->width, g->height, s, x, y, rx, ry, rz);
if (is_plant(w)) {
glDeleteBuffers(1, &buffer);
buffer = gen_plant_buffer(0, 0, dz, 0.5, w);
} else {
buffer = gen_cube_buffer(0, 0, dz, 0.5, w);
}
glUniformMatrix4fv(attrib->matrix, 1, GL_FALSE, matrix);
if (is_plant(w)) {
draw_plant(attrib, buffer);
} else {
draw_cube(attrib, buffer);
}
del_buffer(buffer);
}
