1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/level.cc	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,89 @@
     1.4 +#include "level.h"
     1.5 +#include "logger.h"
     1.6 +
     1.7 +static void gen_mesh(Mesh *mesh);
     1.8 +
     1.9 +Level::Level()
    1.10 +{
    1.11 +	dlimit_near = -2;
    1.12 +	dlimit_far = 8;
    1.13 +
    1.14 +	gen_mesh(&tile_mesh);
    1.15 +
    1.16 +	tile_obj = new Object;
    1.17 +	tile_obj->set_mesh(&tile_mesh);
    1.18 +}
    1.19 +
    1.20 +Level::~Level()
    1.21 +{
    1.22 +	delete tile_obj;
    1.23 +}
    1.24 +
    1.25 +void Level::set_draw_limits(float dnear, float dfar)
    1.26 +{
    1.27 +	dlimit_near = dnear;
    1.28 +	dlimit_far = dfar;
    1.29 +}
    1.30 +
    1.31 +void Level::draw() const
    1.32 +{
    1.33 +	AABox bbox = tile_obj->get_aabbox();
    1.34 +	float zsize = bbox.max.z - bbox.min.z;
    1.35 +	float zoffs = -zsize / 2.0;
    1.36 +
    1.37 +	float z = dlimit_near;
    1.38 +	while(z < dlimit_far) {
    1.39 +		tile_obj->set_position(Vector3(0, 0, -(z - zoffs)));
    1.40 +		tile_obj->draw();
    1.41 +		z += zsize;
    1.42 +	}
    1.43 +}
    1.44 +
    1.45 +static void gen_mesh(Mesh *mesh)
    1.46 +{
    1.47 +	/* left vertical side */
    1.48 +	mesh->normal(1, 0, 0);
    1.49 +	mesh->texcoord(0, 0); mesh->vertex(-2, 0, 1);
    1.50 +	mesh->texcoord(1, 0); mesh->vertex(-2, 0, -1);
    1.51 +	mesh->texcoord(1, 1); mesh->vertex(-2, 1, -1);
    1.52 +	mesh->texcoord(0, 1); mesh->vertex(-2, 1, 1);
    1.53 +
    1.54 +	/* left diagonal */
    1.55 +	Vector3 dnorm = Vector3(0.5, 1, 0).normalized();
    1.56 +	mesh->normal(dnorm.x, dnorm.y, dnorm.z);
    1.57 +	mesh->texcoord(0, 0); mesh->vertex(-1, -0.5, 1);
    1.58 +	mesh->texcoord(1, 0); mesh->vertex(-1, -0.5, -1);
    1.59 +	mesh->texcoord(1, 1); mesh->vertex(-2, 0, -1);
    1.60 +	mesh->texcoord(0, 1); mesh->vertex(-2, 0, 1);
    1.61 +
    1.62 +	/* floor */
    1.63 +	mesh->normal(0, 1, 0);
    1.64 +	mesh->texcoord(0, 0); mesh->vertex(-1, -0.5, 1);
    1.65 +	mesh->texcoord(1, 0); mesh->vertex(1, -0.5, 1);
    1.66 +	mesh->texcoord(1, 1); mesh->vertex(1, -0.5, -1);
    1.67 +	mesh->texcoord(0, 1); mesh->vertex(-1, -0.5, -1);
    1.68 +
    1.69 +	/* right vertical side */
    1.70 +	mesh->normal(-1, 0, 0);
    1.71 +	mesh->texcoord(0, 0); mesh->vertex(2, 0, -1);
    1.72 +	mesh->texcoord(1, 0); mesh->vertex(2, 0, 1);
    1.73 +	mesh->texcoord(1, 1); mesh->vertex(2, 1, 1);
    1.74 +	mesh->texcoord(0, 1); mesh->vertex(2, 1, -1);
    1.75 +
    1.76 +	/* right diagonal */
    1.77 +	dnorm = Vector3(-0.5, 1, 0).normalized();
    1.78 +	mesh->normal(dnorm.x, dnorm.y, dnorm.z);
    1.79 +	mesh->texcoord(0, 0); mesh->vertex(1, -0.5, -1);
    1.80 +	mesh->texcoord(1, 0); mesh->vertex(1, -0.5, 1);
    1.81 +	mesh->texcoord(1, 1); mesh->vertex(2, 0, 1);
    1.82 +	mesh->texcoord(0, 1); mesh->vertex(2, 0, -1);
    1.83 +
    1.84 +	// quad face index buffer
    1.85 +	int nverts = mesh->get_attrib_count(MESH_ATTR_VERTEX);
    1.86 +	for(int i=0; i<nverts; i+=4) {
    1.87 +		mesh->face(i, i + 1, i + 2);
    1.88 +		mesh->face(i, i + 2, i + 3);
    1.89 +	}
    1.90 +
    1.91 +	info_log("generated level trough mesh: %d polygons\n", mesh->get_poly_count());
    1.92 +}