diff options
Diffstat (limited to 'debian/fireflies/fireflies-2.08/src/canvas_sdl.cc')
| -rw-r--r-- | debian/fireflies/fireflies-2.08/src/canvas_sdl.cc | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/debian/fireflies/fireflies-2.08/src/canvas_sdl.cc b/debian/fireflies/fireflies-2.08/src/canvas_sdl.cc new file mode 100644 index 00000000..97b7bf81 --- /dev/null +++ b/debian/fireflies/fireflies-2.08/src/canvas_sdl.cc @@ -0,0 +1,218 @@ +#include "main.h" +#include "canvas_sdl.h" +#include "modes.h" + +#include <iostream> + +#include <gfx/quat.h> +#include <gfx/mat4.h> + +using namespace std; + +CanvasSDL::CanvasSDL(Scene *s, bool fs, int m, char *t, char *c) + : CanvasBase(s, fs, m), wm_title(t), wm_class(c) +{ + surface = 0; +} + +int CanvasSDL::create_window() +{ + int ret, flags = SDL_HWSURFACE | SDL_GL_DOUBLEBUFFER + | SDL_HWPALETTE | SDL_HWACCEL | SDL_RESIZABLE | SDL_OPENGL; + + if ((ret=SDL_Init(SDL_INIT_VIDEO)) < 0) + return ret; + + if (full_screen) + flags |= SDL_FULLSCREEN; + + SDL_Rect **modes; + modes = SDL_ListModes(0, flags); + if (modes == (SDL_Rect**)0) { + cerr << "CanvasSDL ERROR: no modes available" << endl; + return -1; + } + if (modes == (SDL_Rect**)-1) { + width = 1024; + height = 768; + } + else { + width = modes[0]->w; + height = modes[0]->h; + } + + surface = SDL_SetVideoMode(width, height, 16, flags|SDL_RESIZABLE); + if (!surface) + return -1; + + SDL_WM_SetCaption(wm_title, wm_class); + + return 0; +} + +void CanvasSDL::resize() +{ + width = surface->w; + height = surface->h; + + CanvasBase::resize(); +} + +void CanvasSDL::draw() +{ + CanvasBase::draw(); + +#if 0 +#define BORDER_COLOR 150 + SDL_Rect rect; + rect.x = 500; + rect.y = 500; + rect.w = rect.h = 100; + SDL_FillRect(surface, &rect, + SDL_MapRGB(surface->format, BORDER_COLOR, + BORDER_COLOR, BORDER_COLOR)); +#endif + + SDL_GL_SwapBuffers(); +} + +int CanvasSDL::handle_events() +{ + SDL_Event event; + while (SDL_PollEvent(&event)) { + switch (event.type) { + case SDL_VIDEOEXPOSE: + need_refresh = true; + break; + case SDL_VIDEORESIZE: + need_refresh = true; + surface = SDL_SetVideoMode(event.resize.w, event.resize.h, 16, SDL_OPENGL|SDL_RESIZABLE); + if (!surface) { + cerr << "CanvasSDL ERROR: cannot set video mode after resize" << endl; + SDL_Quit(); + return 2; + } + resize(); + break; + case SDL_MOUSEMOTION: + if (on_mouse_drag(event.motion) < 0) + return 1; + break; + case SDL_KEYDOWN: + if (on_keydown(event.key) < 0) + return 1; + break; + case SDL_QUIT: + SDL_Quit(); + return 1; + break; + } + } + return 0; +} + +int CanvasSDL::get_ms() +{ + return SDL_GetTicks(); +} + +void CanvasSDL::delay(int ms) +{ + SDL_Delay(ms); +} + +int CanvasSDL::on_mouse_drag(SDL_MouseMotionEvent& event) +{ + Mat4 inv_camera = rotation_matrix_deg(-scene->camera.rot_angle, Vec3(scene->camera.rot_axis)); + Vec3 horiz = inv_camera*Vec3(1, 0, 0); + Vec3 vert = inv_camera*Vec3(0, 1, 0); + + if (SDL_GetModState() & KMOD_CTRL) { + Quat q = axis_to_quat(scene->camera.rot_axis, DEG_TO_RAD(scene->camera.rot_angle)); + if (event.state & SDL_BUTTON(1)) { // rotate + Quat qx = axis_to_quat(vert, event.xrel*0.05); + Quat qy = axis_to_quat(horiz, event.yrel*0.05); + + q = q * qy; + q = q * qx; + unitize(q); + + scene->camera.rot_axis = q.vector(); + scene->camera.rot_angle = RAD_TO_DEG(2.0*acos(q.scalar())); + need_refresh = true; + } + } + else { + if (event.state & SDL_BUTTON(1)) { // move camera + scene->camera.pos += 0.5*Vec3f(event.xrel, -event.yrel, 0.); + need_refresh = true; + } + else if (event.state & SDL_BUTTON(3)) { // zoom in/out + scene->camera.pos += 0.5*Vec3f(0., 0., event.yrel); + need_refresh = true; + } + } + + return 0; +} + +int CanvasSDL::on_keydown(SDL_KeyboardEvent& event) +{ + switch (event.keysym.sym) { + case SDLK_q: + SDL_Quit(); + return -1; + break; + case SDLK_p: // pause or unpause + animate = !animate; + break; + case SDLK_t: // show the time + cout << "Elapsed time: " << scene->curtime << "s" << endl; + break; + case SDLK_UP: + scene->fast_forward *= 2; + cout << "fast forward: " << scene->fast_forward << "x" << endl; + break; + case SDLK_DOWN: + if (scene->fast_forward > 1) + scene->fast_forward /= 2; + cout << "fast forward: " << scene->fast_forward << "x" << endl; + break; + case SDLK_RIGHT: + scene->fast_forward += 1; + cout << "fast forward: " << scene->fast_forward << "x" << endl; + break; + case SDLK_LEFT: + if (scene->fast_forward > 1) + scene->fast_forward -= 1; + cout << "fast forward: " << scene->fast_forward << "x" << endl; + break; + default: { + int c = event.keysym.sym - '0'; + if (event.keysym.mod & KMOD_SHIFT) { + if (c >= 0 && c < NUM_BMODES) { + vector<Bait*>::iterator it = scene->baits.begin(); + for (; it != scene->baits.end(); it++) + bait_start_mode(*it, c); + cout << "started bait mode " << c << endl; + } + } + else if (event.keysym.mod & KMOD_CTRL) { + if (c >= 0 && c < NUM_BMODES) { + vector<Bait*>::iterator it = scene->baits.begin(); + for (; it != scene->baits.end(); it++) + bait_stop_mode(*it, c); + cout << "stopped bait mode " << c << endl; + } + } + else { + if (c >= 0 && c < NUM_SMODES) { + scene_start_mode(c); + cout << "started scene mode " << c << endl; + } + } + break; + } + } + return 0; +} |