+++ /dev/null
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include "demo.h"
-#include "3dgfx.h"
-#include "screen.h"
-#include "cfgopt.h"
-#include "polyfill.h"
-#include "imago2.h"
-#include "gfxutil.h"
-#include "mesh.h"
-
-static int init(void);
-static void destroy(void);
-static void start(long trans_time);
-static void draw(void);
-static int gen_phong_tex(struct pimage *img, int xsz, int ysz, float sexp,
- float offx, float offy, int dr, int dg, int db, int sr, int sg, int sb);
-
-static struct screen scr = {
- "infcubes",
- init,
- destroy,
- start, 0,
- draw
-};
-
-static float cam_theta = -29, cam_phi = 35;
-static float cam_dist = 6;
-static struct pimage tex_inner, tex_outer;
-static struct g3d_mesh mesh_cube, mesh_cube2;
-
-struct screen *infcubes_screen(void)
-{
- return &scr;
-}
-
-#define PHONG_TEX_SZ 128
-
-static int init(void)
-{
- static const float scalemat[16] = {-6, 0, 0, 0, 0, -6, 0, 0, 0, 0, -6, 0, 0, 0, 0, 1};
- /*
- if(!(tex_inner.pixels = img_load_pixels("data/crate.jpg", &tex_inner.width,
- &tex_inner.height, IMG_FMT_RGB24))) {
- fprintf(stderr, "infcubes: failed to load crate texture\n");
- return -1;
- }
- convimg_rgb24_rgb16(tex_inner.pixels, (unsigned char*)tex_inner.pixels, tex_inner.width, tex_inner.height);
- */
- gen_phong_tex(&tex_inner, PHONG_TEX_SZ, PHONG_TEX_SZ, 5.0f, 0, 0, 10, 50, 92, 192, 192, 192);
-
- if(!(tex_outer.pixels = img_load_pixels("data/refmap1.jpg", &tex_outer.width,
- &tex_outer.height, IMG_FMT_RGB24))) {
- fprintf(stderr, "infcubes: failed to load outer texture\n");
- return -1;
- }
- convimg_rgb24_rgb16(tex_outer.pixels, (unsigned char*)tex_outer.pixels, tex_outer.width, tex_outer.height);
- /*gen_phong_tex(&tex_outer, PHONG_TEX_SZ, PHONG_TEX_SZ, 5.0f, 50, 50, 50, 255, 255, 255);*/
-
- /*
- if(gen_cube_mesh(&mesh_cube, 1.0f, 3) == -1) {
- return -1;
- }
- */
- if(load_mesh(&mesh_cube, "data/bevelbox.obj") == -1) {
- return -1;
- }
- if(load_mesh(&mesh_cube2, "data/bevelbox.obj") == -1) {
- return -1;
- }
- apply_mesh_xform(&mesh_cube2, scalemat);
- normalize_mesh_normals(&mesh_cube2);
- return 0;
-}
-
-static void destroy(void)
-{
- img_free_pixels(tex_inner.pixels);
-}
-
-static void start(long trans_time)
-{
- g3d_matrix_mode(G3D_PROJECTION);
- g3d_load_identity();
- g3d_perspective(70.0, 1.3333333, 0.5, 100.0);
-
- g3d_enable(G3D_CULL_FACE);
- g3d_disable(G3D_LIGHTING);
- g3d_enable(G3D_LIGHT0);
-}
-
-static void update(void)
-{
- mouse_orbit_update(&cam_theta, &cam_phi, &cam_dist);
-}
-
-static void draw(void)
-{
- float t = (float)time_msec / 16.0f;
- update();
-
- g3d_matrix_mode(G3D_MODELVIEW);
- g3d_load_identity();
- g3d_translate(0, 0, -cam_dist);
- g3d_rotate(cam_phi, 1, 0, 0);
- g3d_rotate(cam_theta, 0, 1, 0);
- if(opt.sball) {
- g3d_mult_matrix(sball_matrix);
- }
-
- memset(fb_pixels, 0, fb_width * fb_height * 2);
-
- g3d_polygon_mode(G3D_FLAT);
- g3d_enable(G3D_TEXTURE_2D);
- g3d_enable(G3D_TEXTURE_GEN);
-
- g3d_push_matrix();
- g3d_rotate(t, 1, 0, 0);
- g3d_rotate(t, 0, 1, 0);
- g3d_set_texture(tex_outer.width, tex_outer.height, tex_outer.pixels);
- draw_mesh(&mesh_cube2);
- g3d_pop_matrix();
-
- g3d_set_texture(tex_inner.width, tex_inner.height, tex_inner.pixels);
- draw_mesh(&mesh_cube);
- g3d_disable(G3D_TEXTURE_GEN);
-
- swap_buffers(fb_pixels);
-}
-
-static int gen_phong_tex(struct pimage *img, int xsz, int ysz, float sexp,
- float offx, float offy, int dr, int dg, int db, int sr, int sg, int sb)
-{
- int i, j;
- float u, v, du, dv;
- uint16_t *pix;
-
- if(!(img->pixels = malloc(xsz * ysz * sizeof *pix))) {
- return -1;
- }
- pix = img->pixels;
-
- du = 2.0f / (float)(xsz - 1);
- dv = 2.0f / (float)(ysz - 1);
-
- v = -1.0f - offy;
- for(i=0; i<ysz; i++) {
- u = -1.0f - offx;
- for(j=0; j<xsz; j++) {
- float d = sqrt(u * u + v * v);
- float val = pow(cos(d * M_PI / 2.0f), sexp);
- int ival = abs(val * 255.0f);
-
- int r = dr + ival * sr / 256;
- int g = dg + ival * sg / 256;
- int b = db + ival * sb / 256;
-
- if(r > 255) r = 255;
- if(g > 255) g = 255;
- if(b > 255) b = 255;
-
- *pix++ = PACK_RGB16(r, g, b);
-
- u += du;
- }
- v += dv;
- }
-
- img->width = xsz;
- img->height = ysz;
- return 0;
-}
projects / dosdemo / blobdiff