X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fapp.cc;h=065e5810ec8ff084a0fb45146d422fdfcb084937;hb=458f4c5972fc6b0ba43ea42c3b8d5c211d8f3f3d;hp=250141536d4c047bb83bea85f931a14efe0d73ce;hpb=72b941af07bbf2673539ad4eea073e68d3bcbbfc;p=laserbrain_demo diff --git a/src/app.cc b/src/app.cc index 2501415..065e581 100644 --- a/src/app.cc +++ b/src/app.cc @@ -9,16 +9,24 @@ #include "scene.h" #include "metascene.h" #include "datamap.h" +#include "ui.h" static void draw_scene(); long time_msec; int win_width, win_height; +float win_aspect; bool opt_gear_wireframe; static float cam_dist = 0.0; static float cam_theta, cam_phi = 20; static Vec3 cam_pos; +static float floor_y; // last floor height +static float user_eye_height = 165; + +static float walk_speed = 300.0f; +static bool show_walk_mesh, noclip = false; + static int prev_mx, prev_my; static bool bnstate[8]; static bool keystate[256]; @@ -50,19 +58,15 @@ bool app_init() return false; } - /* - datamap_set_path("data"); - if(!datamap_load_map("data.map")) { - fprintf(stderr, "failed to load datafile mappings\n"); - } + // set initial cam_pos above the center of the walk mesh (if any) + if(scn->walk_mesh) { + Vec3 bcent; + float brad; + scn->walk_mesh->get_bsphere(&bcent, &brad); - unsigned int sflags = SCNLOAD_FLIPTEX; - if(!(scn->load("data/testscene/patoma.fbx", sflags)) || - !(scn->load("data/testscene/kolones.fbx", sflags))) { - fprintf(stderr, "failed to load test scene\n"); - return false; + floor_y = bcent.y; + cam_pos = bcent + Vec3(0, user_eye_height, 0); } - */ if(!(sdr = create_program_load("sdr/test.v.glsl", "sdr/test.p.glsl"))) { fprintf(stderr, "failed to load test shaders\n"); @@ -80,37 +84,82 @@ void app_cleanup() texman.clear(); } +static bool constrain_walk_mesh(const Vec3 &v, Vec3 *newv) +{ + Mesh *wm = scn->walk_mesh; + if(!wm) { + *newv = v; + return true; + } + + Ray downray = Ray(v, Vec3(0, -1, 0)); + HitPoint hit; + if(scn->walk_mesh->intersect(downray, &hit)) { + *newv = hit.pos; + newv->y += user_eye_height; + return true; + } + return false; +} + static void update(float dt) { texman.update(); scn->update(dt); - float walk_speed = 2000.0 * dt; + float speed = walk_speed * dt; Vec3 dir; if(keystate[(int)'w']) { - dir.z -= walk_speed; + dir.z -= speed; } if(keystate[(int)'s']) { - dir.z += walk_speed; + dir.z += speed; } if(keystate[(int)'d']) { - dir.x += walk_speed; + dir.x += speed; } if(keystate[(int)'a']) { - dir.x -= walk_speed; + dir.x -= speed; } if(keystate[(int)'q']) { - cam_pos.y += walk_speed; + cam_pos.y += speed; } if(keystate[(int)'z']) { - cam_pos.y -= walk_speed; + cam_pos.y -= speed; } float theta = M_PI * cam_theta / 180.0f; - cam_pos.x += cos(theta) * dir.x - sin(theta) * dir.z; - cam_pos.z += sin(theta) * dir.x + cos(theta) * dir.z; + Vec3 newpos; + newpos.x = cam_pos.x + cos(theta) * dir.x - sin(theta) * dir.z; + newpos.y = cam_pos.y; + newpos.z = cam_pos.z + sin(theta) * dir.x + cos(theta) * dir.z; + + if(noclip) { + cam_pos = newpos; + } else { + if(!constrain_walk_mesh(newpos, &cam_pos)) { + float dtheta = M_PI / 32.0; + float theta = dtheta; + Vec2 dir2d = newpos.xz() - cam_pos.xz(); + + for(int i=0; i<16; i++) { + Vec2 dvec = rotate(dir2d, theta); + Vec3 pos = cam_pos + Vec3(dvec.x, 0, dvec.y); + if(constrain_walk_mesh(pos, &cam_pos)) { + break; + } + dvec = rotate(dir2d, -theta); + pos = cam_pos + Vec3(dvec.x, 0, dvec.y); + if(constrain_walk_mesh(pos, &cam_pos)) { + break; + } + theta += dtheta; + } + } + floor_y = cam_pos.y - user_eye_height; + } } static void set_light(int idx, const Vec3 &pos, const Vec3 &color) @@ -149,6 +198,7 @@ void app_display() update(dt); draw_scene(); + draw_ui(); app_swap_buffers(); assert(glGetError() == GL_NO_ERROR); @@ -157,19 +207,27 @@ void app_display() static void draw_scene() { - /* - glBegin(GL_QUADS); - glNormal3f(0, 1, 0); - glVertex3f(-30, -10, 30); - glVertex3f(30, -10, 30); - glVertex3f(30, -10, -30); - glVertex3f(-30, -10, -30); - glEnd(); - */ - glUseProgram(sdr); scn->draw(); glUseProgram(0); + + if(show_walk_mesh && scn->walk_mesh) { + glPushAttrib(GL_ENABLE_BIT); + glEnable(GL_BLEND); + glBlendFunc(GL_ONE, GL_ONE); + glDisable(GL_LIGHTING); + glEnable(GL_POLYGON_OFFSET_FILL); + + glPolygonOffset(-1, 1); + glDepthMask(0); + + glColor3f(0.3, 0.08, 0.01); + scn->walk_mesh->draw(); + + glDepthMask(1); + + glPopAttrib(); + } } @@ -184,15 +242,52 @@ void app_reshape(int x, int y) void app_keyboard(int key, bool pressed) { + unsigned int mod = app_get_modifiers(); + if(pressed) { switch(key) { case 27: app_quit(); break; + + case 'f': + app_toggle_fullscreen(); + break; + + case '`': + app_toggle_grab_mouse(); + show_message("mouse %s", app_is_mouse_grabbed() ? "grabbed" : "released"); + break; + + case 'w': + if(mod & MOD_CTRL) { + show_walk_mesh = !show_walk_mesh; + show_message("walk mesh: %s", show_walk_mesh ? "on" : "off"); + } + break; + + case 'c': + if(mod & MOD_CTRL) { + noclip = !noclip; + show_message(noclip ? "no clip" : "clip"); + } + break; + + case '=': + walk_speed *= 1.25; + show_message("walk speed: %g", walk_speed); + break; + + case '-': + walk_speed *= 0.75; + show_message("walk speed: %g", walk_speed); + break; } } - keystate[key] = pressed; + if(key < 256 && !(mod & (MOD_CTRL | MOD_ALT))) { + keystate[key] = pressed; + } } void app_mouse_button(int bn, bool pressed, int x, int y) @@ -202,6 +297,21 @@ void app_mouse_button(int bn, bool pressed, int x, int y) bnstate[bn] = pressed; } +static inline void mouse_look(int dx, int dy) +{ + cam_theta += dx * 0.5; + cam_phi += dy * 0.5; + + if(cam_phi < -90) cam_phi = -90; + if(cam_phi > 90) cam_phi = 90; +} + +static void mouse_zoom(int dx, int dy) +{ + cam_dist += dy * 0.1; + if(cam_dist < 0.0) cam_dist = 0.0; +} + void app_mouse_motion(int x, int y) { int dx = x - prev_mx; @@ -212,14 +322,18 @@ void app_mouse_motion(int x, int y) if(!dx && !dy) return; if(bnstate[0]) { - cam_theta += dx * 0.5; - cam_phi += dy * 0.5; - - if(cam_phi < -90) cam_phi = -90; - if(cam_phi > 90) cam_phi = 90; + mouse_look(dx, dy); } if(bnstate[2]) { - cam_dist += dy * 0.1; - if(cam_dist < 0.0) cam_dist = 0.0; + mouse_zoom(dx, dy); + } +} + +void app_mouse_delta(int dx, int dy) +{ + if(bnstate[2]) { + mouse_zoom(dx, dy); + } else { + mouse_look(dx, dy); } }