rayzor

annotate src/modeller.cc @ 15:be616b58df99

find changesets by author, revision, files, or words in the commit message
continued the renderer slightly
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 13 Apr 2014 09:54:36 +0300
parents a9a948809c6f
children 79609d482762
rev   line source
nuclear@12 1 #include <stdio.h>
nuclear@9 2 #include <string.h>
nuclear@9 3 #include <assert.h>
nuclear@9 4 #include "modeller.h"
nuclear@9 5 #include "min3d.h"
nuclear@9 6 #include "rayzor.h"
nuclear@9 7 #include "scene.h"
nuclear@12 8 #include "keyb.h"
nuclear@14 9 #include "scrman.h"
nuclear@14 10 #include "logger.h"
nuclear@9 11
nuclear@9 12 struct ModellerImpl {
nuclear@9 13 int mx, my;
nuclear@9 14 float cam_theta, cam_phi, cam_dist;
nuclear@15 15 Camera *viewport_cam;
nuclear@9 16
nuclear@9 17 struct m3d_image rbuf;
nuclear@9 18
nuclear@9 19 bool bnstate[8];
nuclear@9 20 int prev_x, prev_y;
nuclear@9 21 };
nuclear@9 22
nuclear@9 23 static void draw_grid(float size, float spacing);
nuclear@9 24
nuclear@9 25 Modeller::Modeller()
nuclear@9 26 {
nuclear@9 27 set_name("modeller");
nuclear@9 28 }
nuclear@9 29
nuclear@9 30 Modeller::~Modeller()
nuclear@9 31 {
nuclear@9 32 shutdown();
nuclear@9 33 }
nuclear@9 34
nuclear@9 35 bool Modeller::init()
nuclear@9 36 {
nuclear@9 37 mod = new ModellerImpl;
nuclear@9 38 memset(mod, 0, sizeof *mod);
nuclear@9 39
nuclear@15 40 mod->viewport_cam = new Camera;
nuclear@15 41
nuclear@9 42 mod->cam_phi = 25;
nuclear@9 43 mod->cam_dist = 5;
nuclear@9 44
nuclear@9 45 m3d_init();
nuclear@9 46 mod->rbuf.pixels = fb_pixels;
nuclear@9 47 mod->rbuf.xsz = fb_width;
nuclear@9 48 mod->rbuf.ysz = fb_height;
nuclear@9 49 m3d_set_buffers(&mod->rbuf, 0);
nuclear@9 50
nuclear@9 51 m3d_matrix_mode(M3D_PROJECTION);
nuclear@9 52 m3d_load_identity();
nuclear@9 53 m3d_perspective(50.0, (float)fb_width / (float)fb_height, 0.5, 500.0);
nuclear@9 54
nuclear@9 55 m3d_enable(M3D_CULL_FACE);
nuclear@9 56 return true;
nuclear@9 57 }
nuclear@9 58
nuclear@9 59 void Modeller::shutdown()
nuclear@9 60 {
nuclear@9 61 if(mod) {
nuclear@9 62 m3d_shutdown();
nuclear@9 63
nuclear@9 64 delete mod;
nuclear@9 65 mod = 0;
nuclear@9 66 }
nuclear@9 67 }
nuclear@9 68
nuclear@9 69 void Modeller::draw() const
nuclear@9 70 {
nuclear@9 71 m3d_clear(M3D_COLOR_BUFFER_BIT);
nuclear@9 72
nuclear@9 73 m3d_matrix_mode(M3D_MODELVIEW);
nuclear@9 74 m3d_load_identity();
nuclear@9 75 m3d_translate(0, 0, -mod->cam_dist);
nuclear@9 76 m3d_rotate(mod->cam_phi, 1, 0, 0);
nuclear@9 77 m3d_rotate(mod->cam_theta, 0, 1, 0);
nuclear@9 78
nuclear@9 79 draw_grid(10.0, 1.0);
nuclear@9 80
nuclear@9 81 scene->draw();
nuclear@9 82 }
nuclear@9 83
nuclear@9 84
nuclear@9 85 static void draw_grid(float size, float spacing)
nuclear@9 86 {
nuclear@9 87 int num_lines = size / spacing;
nuclear@9 88 float dist = size / 2.0;
nuclear@9 89
nuclear@9 90 m3d_disable(M3D_LIGHTING);
nuclear@9 91
nuclear@9 92 m3d_begin(M3D_LINES);
nuclear@9 93 m3d_color(0.4, 0.4, 0.4);
nuclear@9 94
nuclear@9 95 float x = -dist;
nuclear@9 96 for(int i=0; i<=num_lines; i++) {
nuclear@9 97 if(i != num_lines / 2) {
nuclear@9 98 m3d_vertex(-dist, 0, x);
nuclear@9 99 m3d_vertex(dist, 0, x);
nuclear@9 100 m3d_vertex(x, 0, -dist);
nuclear@9 101 m3d_vertex(x, 0, dist);
nuclear@9 102 }
nuclear@9 103 x += spacing;
nuclear@9 104 }
nuclear@9 105 m3d_end();
nuclear@9 106
nuclear@9 107 m3d_begin(M3D_LINES);
nuclear@14 108 m3d_color(0.8, 0, 0);
nuclear@9 109 m3d_vertex(-dist, 0, 0);
nuclear@9 110 m3d_vertex(dist, 0, 0);
nuclear@14 111 m3d_color(0.1, 0.3, 0.8);
nuclear@9 112 m3d_vertex(0, 0, -dist);
nuclear@9 113 m3d_vertex(0, 0, dist);
nuclear@9 114 m3d_end();
nuclear@9 115 }
nuclear@9 116
nuclear@9 117
nuclear@9 118 void Modeller::handle_keyboard(int key, bool press)
nuclear@9 119 {
nuclear@9 120 if(press) {
nuclear@9 121 switch(key) {
nuclear@12 122 case 'q':
nuclear@12 123 quit_app();
nuclear@12 124 break;
nuclear@12 125
nuclear@9 126 case 27:
nuclear@12 127 scene->clear_selection();
nuclear@12 128 break;
nuclear@12 129
nuclear@12 130 case '\t':
nuclear@12 131 {
nuclear@12 132 int s = scene->get_selection();
nuclear@12 133 if(s >= 0) {
nuclear@12 134 s = (s + 1) % scene->get_node_count();
nuclear@12 135 scene->clear_selection();
nuclear@12 136 } else {
nuclear@12 137 s = 0;
nuclear@12 138 }
nuclear@12 139 scene->select(s);
nuclear@12 140 }
nuclear@9 141 break;
nuclear@9 142
nuclear@14 143 case 'r':
nuclear@15 144 case 'p':
nuclear@14 145 if(kb_isdown(KB_ALT) || kb_isdown(KB_CTRL)) {
nuclear@15 146 case KB_F5:
nuclear@15 147 case KB_F6:
nuclear@14 148 Screen *rs = get_screen("renderer");
nuclear@14 149 if(rs) {
nuclear@14 150 activate_screen(rs);
nuclear@15 151
nuclear@15 152 if(key == 'r' || key == KB_F5) {
nuclear@15 153 // start a rendering, and make sure there is a camera
nuclear@15 154 if(!scene->get_active_camera()) {
nuclear@15 155 scene->set_active_camera(mod->viewport_cam);
nuclear@15 156 }
nuclear@15 157 Vector3 dir;
nuclear@15 158 dir.x = sin(DEG2RAD(mod->cam_theta)) * cos(DEG2RAD(mod->cam_phi)) * mod->cam_dist;
nuclear@15 159 dir.y = sin(DEG2RAD(mod->cam_phi));
nuclear@15 160 dir.z = cos(DEG2RAD(mod->cam_theta)) * cos(DEG2RAD(mod->cam_phi)) * mod->cam_dist;
nuclear@15 161 mod->viewport_cam->set_position(dir);
nuclear@15 162 mod->viewport_cam->set_target(Vector3(0, 0, 0));
nuclear@15 163
nuclear@15 164 rs->message(message_atom("start"));
nuclear@15 165 }
nuclear@14 166 } else {
nuclear@14 167 printlog("failed to find renderer screen!\n");
nuclear@14 168 }
nuclear@14 169 }
nuclear@14 170 break;
nuclear@14 171
nuclear@9 172 default:
nuclear@9 173 break;
nuclear@9 174 }
nuclear@9 175 }
nuclear@9 176 }
nuclear@9 177
nuclear@9 178 void Modeller::handle_mbutton(int bn, bool press, int x, int y)
nuclear@9 179 {
nuclear@9 180 mod->bnstate[bn] = press;
nuclear@9 181 mod->prev_x = x;
nuclear@9 182 mod->prev_y = y;
nuclear@9 183 }
nuclear@9 184
nuclear@9 185 void Modeller::handle_mmotion(int x, int y)
nuclear@9 186 {
nuclear@9 187 int dx = x - mod->prev_x;
nuclear@9 188 int dy = y - mod->prev_y;
nuclear@9 189 mod->prev_x = x;
nuclear@9 190 mod->prev_y = y;
nuclear@9 191
nuclear@12 192 if(kb_isdown(KB_ALT) || kb_isdown(KB_CTRL)) {
nuclear@12 193 if(mod->bnstate[0]) {
nuclear@12 194 mod->cam_theta += dx * 0.5;
nuclear@12 195 mod->cam_phi += dy * 0.5;
nuclear@9 196
nuclear@12 197 if(mod->cam_phi < -90) mod->cam_phi = -90;
nuclear@12 198 if(mod->cam_phi > 90) mod->cam_phi = 90;
nuclear@12 199 }
nuclear@12 200 if(mod->bnstate[1]) {
nuclear@12 201 mod->cam_dist += dy * 0.1;
nuclear@12 202 if(mod->cam_dist < 0) mod->cam_dist = 0;
nuclear@12 203 }
nuclear@9 204 }
nuclear@9 205 }