X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmain.cc;h=b17009500a3da81831977c0cea4ae980c0233cb1;hb=b7c92831285013b2a0783bccaf3d900545ebb5ba;hp=7efc114e87d48bf8ecb55dcc4cff518c02da6eb7;hpb=84484521a697fe60f63bff077b9ba7475a45e54e;p=laserbrain_demo diff --git a/src/main.cc b/src/main.cc index 7efc114..b170095 100644 --- a/src/main.cc +++ b/src/main.cc @@ -8,32 +8,43 @@ #include #endif #include "app.h" -#include "machine.h" - -bool init(); -void cleanup(); -void display(); -void idle(); -void draw_gears(); -void reshape(int x, int y); -void keyb(unsigned char key, int x, int y); -void mouse(int bn, int st, int x, int y); -void motion(int x, int y); - -static float cam_dist = 0.5; -static float cam_theta, cam_phi; +#include "sdr.h" +#include "shadow.h" +#include "texture.h" +#include "mesh.h" +#include "meshgen.h" + +static bool init(); +static void cleanup(); +static void display(); +static void idle(); +static void draw_scene(); +static void reshape(int x, int y); +static void keyb(unsigned char key, int x, int y); +static void mouse(int bn, int st, int x, int y); +static void motion(int x, int y); +static void passive_motion(int x, int y); + +static int win_width, win_height; + +static float cam_dist = 0.25; +static float cam_theta, cam_phi = 20; static int prev_mx, prev_my; static bool bnstate[8]; +static Mat4 view_matrix; + static unsigned int start_time, prev_msec; -static Machine *machine; + +static TextureSet texman; + int main(int argc, char **argv) { glutInitWindowSize(1024, 768); glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE | GLUT_MULTISAMPLE); - glutCreateWindow("Antikythera"); + glutCreateWindow("demo"); glutDisplayFunc(display); glutIdleFunc(idle); @@ -41,6 +52,7 @@ int main(int argc, char **argv) glutKeyboardFunc(keyb); glutMouseFunc(mouse); glutMotionFunc(motion); + glutPassiveMotionFunc(passive_motion); if(!init()) { return 1; @@ -51,7 +63,7 @@ int main(int argc, char **argv) return 0; } -bool init() +static bool init() { glewInit(); @@ -59,114 +71,117 @@ bool init() glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); glEnable(GL_NORMALIZE); Mesh::use_custom_sdr_attr = false; - machine = new Machine; - - const float pitch = 10.0f; + float ambient[] = {0.1, 0.1, 0.1, 0.0}; + glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient); - Gear *gear1 = new Gear; - gear1->pos = Vec3(-50, 0, 0); - gear1->set_teeth(16, pitch); - gear1->gen_mesh(); - machine->add_gear(gear1); - - Gear *gear2 = new Gear; - gear2->set_teeth(32, pitch); - gear2->pos = gear1->pos + Vec3(gear1->radius + gear2->radius - gear1->teeth_length * 0.75, 0, 0); - gear2->thickness = 5; - gear2->gen_mesh(); - machine->add_gear(gear2); - - Gear *gear3 = new Gear; - gear3->set_teeth(8, pitch); - gear3->pos = gear2->pos + Vec3(0, gear2->radius + gear3->radius - gear2->teeth_length * 0.75, 0); - gear3->gen_mesh(); - machine->add_gear(gear3); - - machine->add_motor(0, 1.0); - machine->calc_meshing(); + glUseProgram(0); start_time = glutGet(GLUT_ELAPSED_TIME); return true; } -void cleanup() +static void cleanup() { - delete machine; + texman.clear(); } -void display() +static void update(float dt) +{ + texman.update(); +} + +static void set_light(int idx, const Vec3 &pos, const Vec3 &color) +{ + unsigned int lt = GL_LIGHT0 + idx; + float posv[] = { pos.x, pos.y, pos.z, 1 }; + float colv[] = { color.x, color.y, color.z, 1 }; + + glEnable(lt); + glLightfv(lt, GL_POSITION, posv); + glLightfv(lt, GL_DIFFUSE, colv); + glLightfv(lt, GL_SPECULAR, colv); +} + +static void display() { unsigned int msec = glutGet(GLUT_ELAPSED_TIME) - start_time; float dt = (float)(msec - prev_msec) / 1000.0f; prev_msec = msec; - machine->update(dt); - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + view_matrix = Mat4::identity; + view_matrix.pre_translate(0, 0, -cam_dist); + view_matrix.pre_rotate(deg_to_rad(cam_phi), 1, 0, 0); + view_matrix.pre_rotate(deg_to_rad(cam_theta), 0, 1, 0); + glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0, 0, -cam_dist); - glRotatef(cam_phi, 1, 0, 0); - glRotatef(cam_theta, 0, 1, 0); + glLoadMatrixf(view_matrix[0]); + + static const Vec3 lpos[] = { Vec3(-50, 75, 100), Vec3(100, 0, 30), Vec3(-10, -10, 60) }; + set_light(0, lpos[0], Vec3(1.0, 0.8, 0.7) * 0.8); + set_light(1, lpos[1], Vec3(0.6, 0.7, 1.0) * 0.6); + set_light(2, lpos[2], Vec3(0.8, 1.0, 0.8) * 0.3); - draw_gears(); + update(dt); + + draw_scene(); glutSwapBuffers(); assert(glGetError() == GL_NO_ERROR); } -void idle() +static void idle() { glutPostRedisplay(); } -void draw_gears() +static void draw_scene() { - /* world scale is in meters, gears are in millimeters, scale by 1/1000 */ - glPushMatrix(); - glScalef(0.001, 0.001, 0.001); - - machine->draw(); - - glPopMatrix(); + glBegin(GL_QUADS); + glNormal3f(0, 1, 0); + glVertex3f(-30, -10, 30); + glVertex3f(30, -10, 30); + glVertex3f(30, -10, -30); + glVertex3f(-30, -10, -30); + glEnd(); } -void reshape(int x, int y) +static void reshape(int x, int y) { + win_width = x; + win_height = y; + glViewport(0, 0, x, y); glMatrixMode(GL_PROJECTION); glLoadIdentity(); - gluPerspective(50.0, (float)x / (float)y, 0.01, 100.0); + gluPerspective(50.0, (float)x / (float)y, 0.01, 50.0); } -void keyb(unsigned char key, int x, int y) +static void keyb(unsigned char key, int x, int y) { switch(key) { case 27: exit(0); - - case 'w': - opt_gear_wireframe = !opt_gear_wireframe; - glutPostRedisplay(); - break; } } -void mouse(int bn, int st, int x, int y) +static void mouse(int bn, int st, int x, int y) { + int bidx = bn - GLUT_LEFT_BUTTON; + bool down = st == GLUT_DOWN; + prev_mx = x; prev_my = y; - bnstate[bn - GLUT_LEFT_BUTTON] = st == GLUT_DOWN; + bnstate[bidx] = down; } -void motion(int x, int y) +static void motion(int x, int y) { int dx = x - prev_mx; int dy = y - prev_my; @@ -189,3 +204,9 @@ void motion(int x, int y) glutPostRedisplay(); } } + +static void passive_motion(int x, int y) +{ + prev_mx = x; + prev_my = y; +}