void collision(SDL_Rect *rect, node * root, thread_data *thread_info,
bool *alive, int *slot, int *allow_movement, int *invincible_bool,
Mix_Music *music) {
int i = 0;
node * tmp = root;
for (i = 0; i < 11; i++) {
if (tmp != NULL) {
if (i != 0) {
if (tmp->astroid.velocity != 0) {
if (hit_test(*rect, tmp->astroid.rect) != -1) {
if (thread_info != NULL && slot != NULL) {
// Used to check if a bullet has hit a asteroid.
printf("%d\n", tmp->astroid.id);
trans_astroid_destroy(tmp, thread_info, slot);
remove_id(&root, tmp->astroid.id);
printf("HÄR!\n");
*alive = FALSE;
players[thread_info->id].score += 1;
return;
} else if (allow_movement != NULL) {
// Used to check if a player has hit a asteroid.
*invincible_bool = TRUE;
players[thread_info->id].lives -= 1;
Mix_PlayMusic(music, 1);
return;
}
}
}
tmp = tmp->next;
} else {
tmp = tmp->next;
}
}
}
}
//////////////////////////////////////////////////////////////////////////
// Frame update jump state
//////////////////////////////////////////////////////////////////////////
void CControlJump::update_frame()
{
// check if all jump stages are ended
if (m_velocity_bounced && m_man->path_builder().is_path_end(0.f)) {
stop();
return;
}
// trace enemy for hit
hit_test ();
// set velocity from path if we are on it
if (m_man->path_builder().is_moving_on_path()) {
//---------------------------------------------------------------------------------------------------------------------------------
// Set Velocity from path
//---------------------------------------------------------------------------------------------------------------------------------
SControlMovementData *ctrl_move = (SControlMovementData*)m_man->data(this, ControlCom::eControlMovement);
VERIFY (ctrl_move);
ctrl_move->velocity_target = m_object->move().get_velocity_from_path();
ctrl_move->acc = flt_max;
//---------------------------------------------------------------------------------------------------------------------------------
}
// check if we landed
if (is_on_the_ground()) grounding();
}
static bool in_resize_corner(const GRect& r, float x, float y, GPoint* anchor) {
if (hit_test(r.left(), r.top(), x, y)) {
anchor->set(r.right(), r.bottom());
return true;
} else if (hit_test(r.right(), r.top(), x, y)) {
anchor->set(r.left(), r.bottom());
return true;
} else if (hit_test(r.right(), r.bottom(), x, y)) {
anchor->set(r.left(), r.top());
return true;
} else if (hit_test(r.left(), r.bottom(), x, y)) {
anchor->set(r.right(), r.top());
return true;
}
return false;
}
bool Indigo::Render::UILayer::on_cursormove(const glm::dvec2& pos)
{
if (!visible())
return false;
const glm::uvec2& sz = size();
glm::ivec2 ipos = glm::clamp(glm::ivec2(glm::floor(pos)),glm::ivec2(0),glm::ivec2(sz.x-1,sz.y-1));
OOBase::Vector<OOBase::WeakPtr<UIDrawable>,OOBase::ThreadLocalAllocator> hits;
hit_test(hits,ipos);
for (OOBase::Vector<OOBase::WeakPtr<UIDrawable>,OOBase::ThreadLocalAllocator>::iterator i=m_cursor_hits.begin();i;)
{
if (hits.find(*i))
++i;
else
{
OOBase::SharedPtr<UIDrawable> d = i->lock();
i = m_cursor_hits.erase(i);
if (d && d->on_cursorenter(false))
break;
}
}
for (OOBase::Vector<OOBase::WeakPtr<UIDrawable>,OOBase::ThreadLocalAllocator>::iterator i=hits.begin();i;++i)
{
if (m_cursor_hits.remove(*i) == 0)
{
OOBase::SharedPtr<UIDrawable> d = i->lock();
if (d && d->on_cursorenter(true))
break;
}
}
m_cursor_hits.swap(hits);
bool handled = false;
for (OOBase::Vector<OOBase::WeakPtr<UIDrawable>,OOBase::ThreadLocalAllocator>::iterator i=m_cursor_hits.begin();!handled && i;)
{
OOBase::SharedPtr<UIDrawable> d = i->lock();
if (!d)
m_cursor_hits.erase(i);
else
{
handled = d->on_cursormove();
++i;
}
}
return m_owner->m_modal || handled;
}
int rect::hit_test(const rect& other) const
{
int intersect_other = 0;
if (other.hit_test(left(), top())) intersect_other++;
if (other.hit_test(left(), bottom())) intersect_other++;
if (other.hit_test(right(), top())) intersect_other++;
if (other.hit_test(right(), bottom())) intersect_other++;
if (intersect_other == 0)
return outside;
else if (intersect_other == 4)
return inside;
intersect_other = 0;
if (hit_test(other.left(), other.top())) intersect_other++;
if (hit_test(other.left(), other.bottom())) intersect_other++;
if (hit_test(other.right(), other.top())) intersect_other++;
if (hit_test(other.right(), other.bottom())) intersect_other++;
if (intersect_other == 4)
return contain;
else //
return intersect;
}
void mouseFunc(int button, int state, int x, int y)
{
switch(state)
{
case GLUT_UP:
mouseX= x;
mouseY= y;
break;
case GLUT_DOWN:
pickMatrixX = x;
pickMatrixY=y;
hit_test();
break;
}
}
void menu_file_selector::custom_render(void *selectedref, float top, float bottom, float origx1, float origy1, float origx2, float origy2)
{
// lay out extra text
auto layout = ui().create_layout(container());
layout.add_text(m_current_directory.c_str());
// position this extra text
float x1, y1, x2, y2;
extra_text_position(origx1, origx2, origy1, top, layout, -1, x1, y1, x2, y2);
// draw a box
ui().draw_outlined_box(container(), x1, y1, x2, y2, UI_BACKGROUND_COLOR);
// take off the borders
x1 += UI_BOX_LR_BORDER;
y1 += UI_BOX_TB_BORDER;
size_t hit_start = 0, hit_span = 0;
if (mouse_hit
&& layout.hit_test(mouse_x - x1, mouse_y - y1, hit_start, hit_span)
&& m_current_directory.substr(hit_start, hit_span) != PATH_SEPARATOR)
{
// we're hovering over a directory! highlight it
auto target_dir_start = m_current_directory.rfind(PATH_SEPARATOR, hit_start) + 1;
auto target_dir_end = m_current_directory.find(PATH_SEPARATOR, hit_start + hit_span);
m_hover_directory = m_current_directory.substr(0, target_dir_end + strlen(PATH_SEPARATOR));
// highlight the text in question
rgb_t fgcolor = UI_MOUSEOVER_COLOR;
rgb_t bgcolor = UI_MOUSEOVER_BG_COLOR;
layout.restyle(target_dir_start, target_dir_end - target_dir_start, &fgcolor, &bgcolor);
}
else
{
// we are not hovering over anything
m_hover_directory.clear();
}
// draw the text within it
layout.emit(container(), x1, y1);
}
int main(int argc, char **argv) {
srand(time(NULL));
rand();
if (argc == 2 || argc == 3) {
char *hostname = argv[1];
int port = DEFAULT_PORT;
if (argc == 3) {
port = atoi(argv[2]);
}
db_disable();
client_enable();
client_connect(hostname, port);
client_start();
}
if (!glfwInit()) {
return -1;
}
create_window();
if (!window) {
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(VSYNC);
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetKeyCallback(window, on_key);
glfwSetMouseButtonCallback(window, on_mouse_button);
glfwSetScrollCallback(window, on_scroll);
#ifndef __APPLE__
if (glewInit() != GLEW_OK) {
return -1;
}
#endif
if (db_init()) {
return -1;
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LINE_SMOOTH);
glLogicOp(GL_INVERT);
glClearColor(0.53, 0.81, 0.92, 1.00);
GLuint texture;
glGenTextures(1, &texture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
load_png_texture("texture.png");
GLuint block_program = load_program(
"shaders/block_vertex.glsl", "shaders/block_fragment.glsl");
GLuint matrix_loc = glGetUniformLocation(block_program, "matrix");
GLuint camera_loc = glGetUniformLocation(block_program, "camera");
GLuint sampler_loc = glGetUniformLocation(block_program, "sampler");
GLuint timer_loc = glGetUniformLocation(block_program, "timer");
GLuint position_loc = glGetAttribLocation(block_program, "position");
GLuint normal_loc = glGetAttribLocation(block_program, "normal");
GLuint uv_loc = glGetAttribLocation(block_program, "uv");
GLuint line_program = load_program(
"shaders/line_vertex.glsl", "shaders/line_fragment.glsl");
GLuint line_matrix_loc = glGetUniformLocation(line_program, "matrix");
GLuint line_position_loc = glGetAttribLocation(line_program, "position");
GLuint item_position_buffer = 0;
GLuint item_normal_buffer = 0;
GLuint item_uv_buffer = 0;
int previous_block_type = 0;
Chunk chunks[MAX_CHUNKS];
int chunk_count = 0;
Player players[MAX_PLAYERS];
int player_count = 0;
FPS fps = {0, 0};
float matrix[16];
float x = (rand_double() - 0.5) * 10000;
float z = (rand_double() - 0.5) * 10000;
float y = 0;
float dy = 0;
float rx = 0;
float ry = 0;
double px = 0;
double py = 0;
int loaded = db_load_state(&x, &y, &z, &rx, &ry);
ensure_chunks(chunks, &chunk_count,
floorf(roundf(x) / CHUNK_SIZE),
floorf(roundf(z) / CHUNK_SIZE), 1);
if (!loaded) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
glfwGetCursorPos(window, &px, &py);
double previous = glfwGetTime();
while (!glfwWindowShouldClose(window)) {
update_fps(&fps, SHOW_FPS);
double now = glfwGetTime();
double dt = MIN(now - previous, 0.2);
previous = now;
if (exclusive && (px || py)) {
double mx, my;
glfwGetCursorPos(window, &mx, &my);
float m = 0.0025;
rx += (mx - px) * m;
ry -= (my - py) * m;
if (rx < 0) {
rx += RADIANS(360);
}
if (rx >= RADIANS(360)){
rx -= RADIANS(360);
}
ry = MAX(ry, -RADIANS(90));
ry = MIN(ry, RADIANS(90));
px = mx;
py = my;
}
else {
glfwGetCursorPos(window, &px, &py);
}
int sz = 0;
int sx = 0;
ortho = glfwGetKey(window, 'F');
fov = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) ? 15.0 : 65.0;
if (glfwGetKey(window, 'Q')) break;
if (glfwGetKey(window, 'W')) sz--;
if (glfwGetKey(window, 'S')) sz++;
if (glfwGetKey(window, 'A')) sx--;
if (glfwGetKey(window, 'D')) sx++;
float m = dt * 1.0;
if (glfwGetKey(window, GLFW_KEY_LEFT)) rx -= m;
if (glfwGetKey(window, GLFW_KEY_RIGHT)) rx += m;
if (glfwGetKey(window, GLFW_KEY_UP)) ry += m;
if (glfwGetKey(window, GLFW_KEY_DOWN)) ry -= m;
float vx, vy, vz;
get_motion_vector(flying, sz, sx, rx, ry, &vx, &vy, &vz);
if (glfwGetKey(window, GLFW_KEY_SPACE)) {
if (flying) {
vy = 1;
}
else if (dy == 0) {
dy = 8;
}
}
if (glfwGetKey(window, 'Z')) {
vx = -1; vy = 0; vz = 0;
}
if (glfwGetKey(window, 'X')) {
vx = 1; vy = 0; vz = 0;
}
if (glfwGetKey(window, 'C')) {
vx = 0; vy = -1; vz = 0;
}
if (glfwGetKey(window, 'V')) {
vx = 0; vy = 1; vz = 0;
}
if (glfwGetKey(window, 'B')) {
vx = 0; vy = 0; vz = -1;
}
if (glfwGetKey(window, 'N')) {
vx = 0; vy = 0; vz = 1;
}
float speed = flying ? 20 : 5;
int step = 8;
float ut = dt / step;
vx = vx * ut * speed;
vy = vy * ut * speed;
vz = vz * ut * speed;
for (int i = 0; i < step; i++) {
if (flying) {
dy = 0;
}
else {
dy -= ut * 25;
dy = MAX(dy, -250);
}
x += vx;
y += vy + dy * ut;
z += vz;
if (collide(chunks, chunk_count, 2, &x, &y, &z)) {
dy = 0;
}
}
if (y < 0) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
chunk->dirty = 0;
}
if (left_click) {
left_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz);
if (hy > 0 && is_destructable(hw)) {
set_block(chunks, chunk_count, hx, hy, hz, 0, 1);
}
}
if (right_click) {
right_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 1, x, y, z, rx, ry,
&hx, &hy, &hz);
if (is_obstacle(hw)) {
if (!player_intersects_block(2, x, y, z, hx, hy, hz)) {
set_block(chunks, chunk_count, hx, hy, hz, block_type, 1);
}
}
}
if (middle_click) {
middle_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz);
if (is_selectable(hw)) {
block_type = hw;
}
}
if (teleport) {
teleport = 0;
if (player_count) {
int index = rand_int(player_count);
Player *player = players + index;
x = player->x;
y = player->y;
z = player->z;
rx = player->rx;
ry = player->ry;
ensure_chunks(chunks, &chunk_count,
floorf(roundf(x) / CHUNK_SIZE),
floorf(roundf(z) / CHUNK_SIZE), 1);
}
}
client_position(x, y, z, rx, ry);
char buffer[RECV_BUFFER_SIZE];
while (client_recv(buffer, RECV_BUFFER_SIZE)) {
float ux, uy, uz, urx, ury;
if (sscanf(buffer, "U,%*d,%f,%f,%f,%f,%f",
&ux, &uy, &uz, &urx, &ury) == 5)
{
x = ux; y = uy; z = uz; rx = urx; ry = ury;
ensure_chunks(chunks, &chunk_count,
floorf(roundf(x) / CHUNK_SIZE),
floorf(roundf(z) / CHUNK_SIZE), 1);
y = highest_block(chunks, chunk_count, x, z) + 2;
}
int bx, by, bz, bw;
if (sscanf(buffer, "B,%*d,%*d,%d,%d,%d,%d",
&bx, &by, &bz, &bw) == 4)
{
set_block(chunks, chunk_count, bx, by, bz, bw, 0);
if ((int)roundf(x) == bx && (int)roundf(z) == bz) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
}
int pid;
float px, py, pz, prx, pry;
if (sscanf(buffer, "P,%d,%f,%f,%f,%f,%f",
&pid, &px, &py, &pz, &prx, &pry) == 6)
{
Player *player = find_player(players, player_count, pid);
if (!player && player_count < MAX_PLAYERS) {
player = players + player_count;
player_count++;
player->id = pid;
player->position_buffer = 0;
player->normal_buffer = 0;
player->uv_buffer = 0;
printf("%d other players are online\n", player_count);
}
if (player) {
update_player(player, px, py, pz, prx, pry);
}
}
if (sscanf(buffer, "D,%d", &pid) == 1) {
delete_player(players, &player_count, pid);
printf("%d other players are online\n", player_count);
}
}
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
if (chunk->dirty) {
update_chunk(chunk);
}
}
int p = floorf(roundf(x) / CHUNK_SIZE);
int q = floorf(roundf(z) / CHUNK_SIZE);
ensure_chunks(chunks, &chunk_count, p, q, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
update_matrix_3d(matrix, x, y, z, rx, ry);
// render chunks
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, x, y, z);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
if (chunk_distance(chunk, p, q) > RENDER_CHUNK_RADIUS) {
continue;
}
if (!chunk_visible(chunk, matrix)) {
continue;
}
draw_chunk(chunk, position_loc, normal_loc, uv_loc);
}
// render players
for (int i = 0; i < player_count; i++) {
Player *player = players + i;
draw_player(player, position_loc, normal_loc, uv_loc);
}
// render focused block wireframe
int hx, hy, hz;
int hw = hit_test(
chunks, chunk_count, 0, x, y, z, rx, ry, &hx, &hy, &hz);
if (is_obstacle(hw)) {
glUseProgram(line_program);
glLineWidth(1);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint cube_buffer = make_cube_buffer(hx, hy, hz, 0.51);
draw_lines(cube_buffer, line_position_loc, 3, 48);
glDeleteBuffers(1, &cube_buffer);
glDisable(GL_COLOR_LOGIC_OP);
}
update_matrix_2d(matrix);
// render crosshairs
glUseProgram(line_program);
glLineWidth(4);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint line_buffer = make_line_buffer();
draw_lines(line_buffer, line_position_loc, 2, 4);
glDeleteBuffers(1, &line_buffer);
glDisable(GL_COLOR_LOGIC_OP);
// render selected item
update_matrix_item(matrix);
if (block_type != previous_block_type) {
previous_block_type = block_type;
make_single_cube(
&item_position_buffer, &item_normal_buffer, &item_uv_buffer,
0, 0, 0, 0.5, block_type);
}
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, 0, 0, 5);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
glDisable(GL_DEPTH_TEST);
draw_single_cube(
item_position_buffer, item_normal_buffer, item_uv_buffer,
position_loc, normal_loc, uv_loc);
glEnable(GL_DEPTH_TEST);
glfwSwapBuffers(window);
glfwPollEvents();
}
client_stop();
db_save_state(x, y, z, rx, ry);
db_close();
glfwTerminate();
return 0;
}
bool interior_position(PathType & path, double & x, double & y)
{
// start with the centroid
if (!label::centroid(path, x,y))
return false;
// if we are not a polygon, or the default is within the polygon we are done
if (hit_test(path,x,y,0.001))
return true;
// otherwise we find a horizontal line across the polygon and then return the
// center of the widest intersection between the polygon and the line.
std::vector<double> intersections; // only need to store the X as we know the y
double x0 = 0;
double y0 = 0;
path.rewind(0);
unsigned command = path.vertex(&x0, &y0);
double x1 = 0;
double y1 = 0;
while (SEG_END != (command = path.vertex(&x1, &y1)))
{
if (command != SEG_MOVETO)
{
// if the segments overlap
if (y0==y1)
{
if (y0==y)
{
double xi = (x0+x1)/2.0;
intersections.push_back(xi);
}
}
// if the path segment crosses the bisector
else if ((y0 <= y && y1 >= y) ||
(y0 >= y && y1 <= y))
{
// then calculate the intersection
double xi = x0;
if (x0 != x1)
{
double m = (y1-y0)/(x1-x0);
double c = y0 - m*x0;
xi = (y-c)/m;
}
intersections.push_back(xi);
}
}
x0 = x1;
y0 = y1;
}
// no intersections we just return the default
if (intersections.empty())
return true;
x0=intersections[0];
double max_width = 0;
for (unsigned ii = 1; ii < intersections.size(); ++ii)
{
double xi=intersections[ii];
double xc=(x0+xi)/2.0;
double width = std::fabs(xi-x0);
if (width > max_width && hit_test(path,xc,y,0))
{
x=xc;
max_width = width;
break;
}
}
return true;
}
int main(int argc, char **argv) {
srand(time(NULL));
rand();
if (!glfwInit()) {
return -1;
}
create_window();
if (!window) {
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(VSYNC);
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetKeyCallback(window, on_key);
glfwSetMouseButtonCallback(window, on_mouse_button);
#ifndef __APPLE__
if (glewInit() != GLEW_OK) {
return -1;
}
#endif
if (db_init()) {
return -1;
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LINE_SMOOTH);
glLogicOp(GL_INVERT);
glClearColor(0.53, 0.81, 0.92, 1.00);
GLuint vertex_array;
glGenVertexArrays(1, &vertex_array);
glBindVertexArray(vertex_array);
GLuint texture;
glGenTextures(1, &texture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
load_png_texture("texture.png");
GLuint block_program = load_program(
"shaders/block_vertex.glsl", "shaders/block_fragment.glsl");
GLuint matrix_loc = glGetUniformLocation(block_program, "matrix");
GLuint camera_loc = glGetUniformLocation(block_program, "camera");
GLuint sampler_loc = glGetUniformLocation(block_program, "sampler");
GLuint timer_loc = glGetUniformLocation(block_program, "timer");
GLuint position_loc = glGetAttribLocation(block_program, "position");
GLuint normal_loc = glGetAttribLocation(block_program, "normal");
GLuint uv_loc = glGetAttribLocation(block_program, "uv");
GLuint line_program = load_program(
"shaders/line_vertex.glsl", "shaders/line_fragment.glsl");
GLuint line_matrix_loc = glGetUniformLocation(line_program, "matrix");
GLuint line_position_loc = glGetAttribLocation(line_program, "position");
GLuint item_position_buffer = 0;
GLuint item_normal_buffer = 0;
GLuint item_uv_buffer = 0;
int previous_block_type = 0;
Chunk chunks[MAX_CHUNKS];
int chunk_count = 0;
FPS fps = {0, 0};
float matrix[16];
float x = (rand_double() - 0.5) * 10000;
float z = (rand_double() - 0.5) * 10000;
float y = 0;
float dy = 0;
float rx = 0;
float ry = 0;
double px = 0;
double py = 0;
int loaded = db_load_state(&x, &y, &z, &rx, &ry);
ensure_chunks(chunks, &chunk_count,
floorf(roundf(x) / CHUNK_SIZE),
floorf(roundf(z) / CHUNK_SIZE), 1);
if (!loaded) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
glfwGetCursorPos(window, &px, &py);
double previous = glfwGetTime();
while (!glfwWindowShouldClose(window)) {
update_fps(&fps, SHOW_FPS);
double now = glfwGetTime();
double dt = MIN(now - previous, 0.2);
previous = now;
if (exclusive && (px || py)) {
double mx, my;
glfwGetCursorPos(window, &mx, &my);
float m = 0.0025;
rx += (mx - px) * m;
ry -= (my - py) * m;
if (rx < 0) {
rx += RADIANS(360);
}
if (rx >= RADIANS(360)){
rx -= RADIANS(360);
}
ry = MAX(ry, -RADIANS(90));
ry = MIN(ry, RADIANS(90));
px = mx;
py = my;
}
else {
glfwGetCursorPos(window, &px, &py);
}
if (left_click) {
left_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz);
if (hy > 0 && is_destructable(hw)) {
set_block(chunks, chunk_count, hx, hy, hz, 0);
}
}
if (right_click) {
right_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 1, x, y, z, rx, ry,
&hx, &hy, &hz);
if (is_obstacle(hw)) {
if (!player_intersects_block(2, x, y, z, hx, hy, hz)) {
set_block(chunks, chunk_count, hx, hy, hz, block_type);
}
}
}
int sz = 0;
int sx = 0;
ortho = glfwGetKey(window, 'F');
fov = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) ? 15.0 : 65.0;
if (glfwGetKey(window, 'Q')) break;
if (glfwGetKey(window, 'W')) sz--;
if (glfwGetKey(window, 'S')) sz++;
if (glfwGetKey(window, 'A')) sx--;
if (glfwGetKey(window, 'D')) sx++;
if (dy == 0 && glfwGetKey(window, GLFW_KEY_SPACE)) {
dy = 8;
}
float vx, vy, vz;
get_motion_vector(flying, sz, sx, rx, ry, &vx, &vy, &vz);
if (glfwGetKey(window, 'Z')) {
vx = -1; vy = 0; vz = 0;
}
if (glfwGetKey(window, 'X')) {
vx = 1; vy = 0; vz = 0;
}
if (glfwGetKey(window, 'C')) {
vx = 0; vy = -1; vz = 0;
}
if (glfwGetKey(window, 'V')) {
vx = 0; vy = 1; vz = 0;
}
if (glfwGetKey(window, 'B')) {
vx = 0; vy = 0; vz = -1;
}
if (glfwGetKey(window, 'N')) {
vx = 0; vy = 0; vz = 1;
}
float speed = flying ? 20 : 5;
int step = 8;
float ut = dt / step;
vx = vx * ut * speed;
vy = vy * ut * speed;
vz = vz * ut * speed;
for (int i = 0; i < step; i++) {
if (flying) {
dy = 0;
}
else {
dy -= ut * 25;
dy = MAX(dy, -250);
}
x += vx;
y += vy + dy * ut;
z += vz;
if (collide(chunks, chunk_count, 2, &x, &y, &z)) {
dy = 0;
}
}
int p = floorf(roundf(x) / CHUNK_SIZE);
int q = floorf(roundf(z) / CHUNK_SIZE);
ensure_chunks(chunks, &chunk_count, p, q, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
update_matrix_3d(matrix, x, y, z, rx, ry);
// render chunks
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, x, y, z);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
if (chunk_distance(chunk, p, q) > RENDER_CHUNK_RADIUS) {
continue;
}
if (!chunk_visible(chunk, matrix)) {
continue;
}
draw_chunk(chunk, position_loc, normal_loc, uv_loc);
}
// render focused block wireframe
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry, &hx, &hy, &hz);
if (is_obstacle(hw)) {
glUseProgram(line_program);
glLineWidth(1);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint buffer = make_cube_buffer(hx, hy, hz, 0.51);
draw_lines(buffer, line_position_loc, 3, 48);
glDeleteBuffers(1, &buffer);
glDisable(GL_COLOR_LOGIC_OP);
}
update_matrix_2d(matrix);
// render crosshairs
glUseProgram(line_program);
glLineWidth(4);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint buffer = make_line_buffer();
draw_lines(buffer, line_position_loc, 2, 4);
glDeleteBuffers(1, &buffer);
glDisable(GL_COLOR_LOGIC_OP);
// render selected item
update_matrix_item(matrix);
if (block_type != previous_block_type) {
previous_block_type = block_type;
make_single_cube(
&item_position_buffer, &item_normal_buffer, &item_uv_buffer,
block_type);
}
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, 0, 0, 5);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
glDisable(GL_DEPTH_TEST);
draw_single_cube(
item_position_buffer, item_normal_buffer, item_uv_buffer,
position_loc, normal_loc, uv_loc);
glEnable(GL_DEPTH_TEST);
glfwSwapBuffers(window);
glfwPollEvents();
}
db_save_state(x, y, z, rx, ry);
db_close();
glfwTerminate();
return 0;
}
bool rect::hit_test(const coord& point) const
{
return hit_test(point.x, point.y);
}
/* Task objects cleanup */
void hit_task_cleanup_objects(){
if(hit_task_mutex_created){
hit_task_mutex_created = 0;
rt_mutex_delete(&hit_task_mutex);
}
}
void hit_task_init(){
int i;
for(i = 0; i < NB_WEAPONS; i++){
if(weapons[i].weapon_type == GUN)
weapons[i].timing_charge.now = weapons[i].timing_charge.max;
else
weapons[i].timing_charge.now = 0;
weapons[i].timing_charge.last = 0;
weapons[i].timing_charge.time_current = 0;
weapons[i].timing_led.now = 0;
}
for(i = 0; i < NB_MAX_BULLETS; i++){
bullets[i].weapon = NULL;
}
for(i = 0; i < NB_MAX_BOMBS; i++){
bombs[i].weapon = NULL;
}
}
//!*****************HIT TASK***********************/
void hit_task(void *cookie){
invader_t *invader;
bullet_t *bullet;
int i, j;
int16_t y;
uint8_t removed; //TODO remove this and try
uint8_t impact = 0; //!flag de collision pour la tache hit
(void)cookie;
//! On définit la période de la tache
rt_task_set_periodic(NULL, TM_NOW, 50*MS);
//! init
hit_task_init();
for (;;) {
rt_task_wait_period(NULL);
if(!game_break){
//! On verrouille les bullets
hit_lock();
//! On verrouille le vaisseau
ship_lock();
//! On verrouille les invaders
invaders_lock();
//pour chaque bullet on va tester les collisions
for (i=0;i<NB_MAX_BULLETS;i++){
removed = 0;
if(bullets[i].weapon != NULL){
impact = 0;
//!current object
bullet = &bullets[i];
// On déplace la bullet
bullet->hitbox.y -= bullet->weapon->speed;
y = bullet->hitbox.y;
//suppression des bullets en haut de l'écran
if(y <= 0){
if(bullet->weapon->weapon_type != RAIL){
// Gestion des points lors de la sortie d'un bullet
if(bullet->weapon->weapon_type != WAVE && game_points >= 1){
//game_points -= 1;
}
if(!removed){
remove_bullet(*bullet, i);
removed = 1;
}
// On met a jour les spef concernant la precision de tir
game_bullet_used++;
continue;
}
}
//bullet : hit test avec les invaders
for (j=0;j<wave.invaders_count;j++){
if(wave.invaders[j].hp > 0){
//!current object
invader = &wave.invaders[j];
//hit test
if(hit_test(invader->hitbox, bullet->hitbox) == 0){
impact = 1;
//applique les dégats à l'invader
if(invader->hp >= bullet->weapon->damage){
// On met a jour les points de vie de l'invader
invader->hp-= bullet->weapon->damage;
// On met a jour les points
game_points += 1;
}
else{
// On met a jour les points de vie de l'invader
invader->hp = 0;
// On met a jour les points
game_points += 10;
}
// On met a jour les spef concernant la precision de tir
game_bullet_used++;
game_bullet_kill++; // La bullet à touché sa cible
}//if hit test
}
}//pour chaque invader
//bullet : hit test avec les bombes
for(j=0;j<NB_MAX_BOMBS;j++){
if(bombs[j].weapon != NULL){
//hit test
if(hit_test(bombs[j].hitbox, bullet->hitbox) == 0){
impact = 1;
//détruit la bombe
remove_bullet(bombs[j], j);
}
}
}
//bullet : hit test avec les autres bullets
for(j=0;j<NB_MAX_BULLETS;j++){
if( (bullets[j].weapon != NULL) &&
(&bullets[j] != bullet) && //Si différent de la bullet actuelle
(bullets[j].weapon->weapon_type != RAIL) && //Si ce n'est pas le laser
(bullets[j].weapon->weapon_type != WAVE) //Si ce n'est pas l'onde de choc
){
//hit test
if(hit_test(bullets[j].hitbox, bullet->hitbox) == 0){
impact = 1;
//détruit la bullet
if(!removed){
remove_bullet(bullets[j], j);
removed = 1;
}
}
}
}
//si un impact a été detecté pour la bullet principale, on la supprime
if( impact &&
!(bullet->weapon->weapon_type == WAVE) &&
!(bullet->weapon->weapon_type == RAIL) ){
if(!removed){
remove_bullet(*bullet, i);
removed = 1;
}
}
}//if non null
}//pour chaque bullet pirncipale
//pour chaque bombe on va tester les collisions
for(i=0;i<NB_MAX_BOMBS;i++){
if(bombs[i].weapon != NULL){
// On déplace les bombes
bombs[i].hitbox.y += bombs[i].weapon->speed;
//hit test avec le vaisseau
if(hit_test(ship.hitbox, bombs[i].hitbox) == 0){
//applique les dommages au vaisseau et supprime la bombe
if(ship.hp > 0){
ship.hp--;
if(ship.hp==0){
game_over = 1;
}
}
remove_bullet(bombs[i], i);
}
}
}
//invaders : hit test avec le vaisseau
for (i=0;i<wave.invaders_count;i++){
if(wave.invaders[i].hp > 0 &&
hit_test(ship.hitbox, wave.invaders[i].hitbox) == 0){
ship.hp = 0;
game_over = 1;
}
}
//traitement spécial pour le rail (animation)
if(rail_id != -1 && rail_timeout <= 0){
remove_bullet(bullets[rail_id],rail_id);
rail_id = -1;
}else
rail_timeout--;
// On deverrouille les invaders
invaders_unlock();
// On deverrouille le vaisseau
ship_unlock();
// On deverrouille les bullets
hit_unlock();
}else{
}
}
}//hit_task
void label_interior_position(double *x, double *y) const
{
// start with the default label position
label_position(x,y);
unsigned size = cont_.size();
// if we are not a polygon, or the default is within the polygon we are done
if (size < 3 || hit_test(*x,*y,0))
return;
// otherwise we find a horizontal line across the polygon and then return the
// center of the widest intersection between the polygon and the line.
std::vector<double> intersections; // only need to store the X as we know the y
double x0=0;
double y0=0;
rewind(0);
unsigned command = vertex(&x0, &y0);
double x1,y1;
while (SEG_END != (command=vertex(&x1, &y1)))
{
if (command != SEG_MOVETO)
{
// if the segments overlap
if (y0==y1)
{
if (y0==*y)
{
double xi = (x0+x1)/2.0;
intersections.push_back(xi);
}
}
// if the path segment crosses the bisector
else if ((y0 <= *y && y1 >= *y) ||
(y0 >= *y && y1 <= *y))
{
// then calculate the intersection
double xi = x0;
if (x0 != x1)
{
double m = (y1-y0)/(x1-x0);
double c = y0 - m*x0;
xi = (*y-c)/m;
}
intersections.push_back(xi);
}
}
x0 = x1;
y0 = y1;
}
// no intersections we just return the default
if (intersections.empty())
return;
x0=intersections[0];
double max_width = 0;
for (unsigned ii = 1; ii < intersections.size(); ++ii)
{
double x1=intersections[ii];
double xc=(x0+x1)/2.0;
double width = fabs(x1-x0);
if (width > max_width && hit_test(xc,*y,0))
{
*x=xc;
max_width = width;
}
}
}
int main(int argc, char **argv) {
srand(time(NULL));
rand();
if (argc == 2 || argc == 3) {
char *hostname = argv[1];
int port = DEFAULT_PORT;
if (argc == 3) {
port = atoi(argv[2]);
}
db_disable();
client_enable();
client_connect(hostname, port);
client_start();
}
if (!glfwInit()) {
return -1;
}
create_window();
if (!window) {
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
glfwSwapInterval(VSYNC);
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
glfwSetKeyCallback(window, on_key);
glfwSetCharCallback(window, on_char);
glfwSetMouseButtonCallback(window, on_mouse_button);
glfwSetScrollCallback(window, on_scroll);
#ifndef __APPLE__
if (glewInit() != GLEW_OK) {
return -1;
}
#endif
if (db_init()) {
return -1;
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LINE_SMOOTH);
glLogicOp(GL_INVERT);
glClearColor(0.53, 0.81, 0.92, 1.00);
GLuint texture;
glGenTextures(1, &texture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
load_png_texture("texture.png");
GLuint font;
glGenTextures(1, &font);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, font);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
load_png_texture("font.png");
GLuint block_program = load_program(
"shaders/block_vertex.glsl", "shaders/block_fragment.glsl");
GLuint matrix_loc = glGetUniformLocation(block_program, "matrix");
GLuint camera_loc = glGetUniformLocation(block_program, "camera");
GLuint sampler_loc = glGetUniformLocation(block_program, "sampler");
GLuint timer_loc = glGetUniformLocation(block_program, "timer");
GLuint position_loc = glGetAttribLocation(block_program, "position");
GLuint normal_loc = glGetAttribLocation(block_program, "normal");
GLuint uv_loc = glGetAttribLocation(block_program, "uv");
GLuint line_program = load_program(
"shaders/line_vertex.glsl", "shaders/line_fragment.glsl");
GLuint line_matrix_loc = glGetUniformLocation(line_program, "matrix");
GLuint line_position_loc = glGetAttribLocation(line_program, "position");
GLuint text_program = load_program(
"shaders/text_vertex.glsl", "shaders/text_fragment.glsl");
GLuint text_matrix_loc = glGetUniformLocation(text_program, "matrix");
GLuint text_sampler_loc = glGetUniformLocation(text_program, "sampler");
GLuint text_position_loc = glGetAttribLocation(text_program, "position");
GLuint text_uv_loc = glGetAttribLocation(text_program, "uv");
GLuint item_position_buffer = 0;
GLuint item_normal_buffer = 0;
GLuint item_uv_buffer = 0;
int previous_block_type = 0;
char messages[MAX_MESSAGES][TEXT_BUFFER_SIZE] = {0};
int message_index = 0;
Chunk chunks[MAX_CHUNKS];
int chunk_count = 0;
Player players[MAX_PLAYERS];
int player_count = 0;
FPS fps = {0, 0};
float matrix[16];
float x = (rand_double() - 0.5) * 10000;
float z = (rand_double() - 0.5) * 10000;
float y = 0;
float dy = 0;
float rx = 0;
float ry = 0;
double px = 0;
double py = 0;
int loaded = db_load_state(&x, &y, &z, &rx, &ry);
ensure_chunks(chunks, &chunk_count, x, y, z, 1);
if (!loaded) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
glfwGetCursorPos(window, &px, &py);
double previous = glfwGetTime();
while (!glfwWindowShouldClose(window)) {
int width, height;
glfwGetFramebufferSize(window, &width, &height);
glViewport(0, 0, width, height);
update_fps(&fps, SHOW_FPS);
double now = glfwGetTime();
double dt = MIN(now - previous, 0.2);
previous = now;
if (exclusive && (px || py)) {
double mx, my;
glfwGetCursorPos(window, &mx, &my);
float m = 0.0025;
rx += (mx - px) * m;
ry -= (my - py) * m;
if (rx < 0) {
rx += RADIANS(360);
}
if (rx >= RADIANS(360)){
rx -= RADIANS(360);
}
ry = MAX(ry, -RADIANS(90));
ry = MIN(ry, RADIANS(90));
px = mx;
py = my;
}
else {
glfwGetCursorPos(window, &px, &py);
}
int sz = 0;
int sx = 0;
if (!typing) {
float m = dt * 1.0;
ortho = glfwGetKey(window, CRAFT_KEY_ORTHO);
fov = glfwGetKey(window, CRAFT_KEY_ZOOM) ? 15.0 : 65.0;
if (glfwGetKey(window, CRAFT_KEY_QUIT)) break;
if (glfwGetKey(window, CRAFT_KEY_FORWARD)) sz--;
if (glfwGetKey(window, CRAFT_KEY_BACKWARD)) sz++;
if (glfwGetKey(window, CRAFT_KEY_LEFT)) sx--;
if (glfwGetKey(window, CRAFT_KEY_RIGHT)) sx++;
if (glfwGetKey(window, GLFW_KEY_LEFT)) rx -= m;
if (glfwGetKey(window, GLFW_KEY_RIGHT)) rx += m;
if (glfwGetKey(window, GLFW_KEY_UP)) ry += m;
if (glfwGetKey(window, GLFW_KEY_DOWN)) ry -= m;
}
float vx, vy, vz;
get_motion_vector(flying, sz, sx, rx, ry, &vx, &vy, &vz);
if (!typing) {
if (glfwGetKey(window, CRAFT_KEY_JUMP)) {
if (flying) {
vy = 1;
}
else if (dy == 0) {
dy = 8;
}
}
if (glfwGetKey(window, CRAFT_KEY_XM)) {
vx = -1; vy = 0; vz = 0;
}
if (glfwGetKey(window, CRAFT_KEY_XP)) {
vx = 1; vy = 0; vz = 0;
}
if (glfwGetKey(window, CRAFT_KEY_YM)) {
vx = 0; vy = -1; vz = 0;
}
if (glfwGetKey(window, CRAFT_KEY_YP)) {
vx = 0; vy = 1; vz = 0;
}
if (glfwGetKey(window, CRAFT_KEY_ZM)) {
vx = 0; vy = 0; vz = -1;
}
if (glfwGetKey(window, CRAFT_KEY_ZP)) {
vx = 0; vy = 0; vz = 1;
}
}
float speed = flying ? 20 : 5;
int step = 8;
float ut = dt / step;
vx = vx * ut * speed;
vy = vy * ut * speed;
vz = vz * ut * speed;
for (int i = 0; i < step; i++) {
if (flying) {
dy = 0;
}
else {
dy -= ut * 25;
dy = MAX(dy, -250);
}
x += vx;
y += vy + dy * ut;
z += vz;
if (collide(chunks, chunk_count, 2, &x, &y, &z)) {
dy = 0;
}
}
if (y < 0) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
if (left_click) {
left_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz);
if (hy > 0 && is_destructable(hw)) {
set_block(chunks, chunk_count, hx, hy, hz, 0);
int above = get_block(chunks, chunk_count, hx, hy + 1, hz);
if (is_plant(above)) {
set_block(chunks, chunk_count, hx, hy + 1, hz, 0);
}
}
}
if (right_click) {
right_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 1, x, y, z, rx, ry,
&hx, &hy, &hz);
if (is_obstacle(hw)) {
if (!player_intersects_block(2, x, y, z, hx, hy, hz)) {
set_block(chunks, chunk_count, hx, hy, hz, block_type);
}
}
}
if (middle_click) {
middle_click = 0;
int hx, hy, hz;
int hw = hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz);
if (is_selectable(hw)) {
block_type = hw;
}
}
if (teleport) {
teleport = 0;
if (player_count) {
int index = rand_int(player_count);
Player *player = players + index;
x = player->x; y = player->y; z = player->z;
rx = player->rx; ry = player->ry;
ensure_chunks(chunks, &chunk_count, x, y, z, 1);
}
}
client_position(x, y, z, rx, ry);
char buffer[RECV_BUFFER_SIZE];
while (client_recv(buffer, RECV_BUFFER_SIZE)) {
float ux, uy, uz, urx, ury;
if (sscanf(buffer, "U,%*d,%f,%f,%f,%f,%f",
&ux, &uy, &uz, &urx, &ury) == 5)
{
x = ux; y = uy; z = uz; rx = urx; ry = ury;
ensure_chunks(chunks, &chunk_count, x, y, z, 1);
y = highest_block(chunks, chunk_count, x, z) + 2;
}
int bp, bq, bx, by, bz, bw;
if (sscanf(buffer, "B,%d,%d,%d,%d,%d,%d",
&bp, &bq, &bx, &by, &bz, &bw) == 6)
{
_set_block(chunks, chunk_count, bp, bq, bx, by, bz, bw);
if (player_intersects_block(2, x, y, z, bx, by, bz)) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
}
int pid;
float px, py, pz, prx, pry;
if (sscanf(buffer, "P,%d,%f,%f,%f,%f,%f",
&pid, &px, &py, &pz, &prx, &pry) == 6)
{
Player *player = find_player(players, player_count, pid);
if (!player && player_count < MAX_PLAYERS) {
player = players + player_count;
player_count++;
player->id = pid;
player->position_buffer = 0;
player->normal_buffer = 0;
player->uv_buffer = 0;
}
if (player) {
update_player(player, px, py, pz, prx, pry);
}
}
if (sscanf(buffer, "D,%d", &pid) == 1) {
delete_player(players, &player_count, pid);
}
if (buffer[0] == 'T' && buffer[1] == ',') {
char *text = buffer + 2;
printf("%s\n", text);
snprintf(
messages[message_index], TEXT_BUFFER_SIZE, "%s", text);
message_index = (message_index + 1) % MAX_MESSAGES;
}
}
int p = chunked(x);
int q = chunked(z);
ensure_chunks(chunks, &chunk_count, x, y, z, 0);
// RENDER 3-D SCENE //
glClear(GL_COLOR_BUFFER_BIT);
glClear(GL_DEPTH_BUFFER_BIT);
set_matrix_3d(matrix, width, height, x, y, z, rx, ry, fov, ortho);
// render chunks
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, x, y, z);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
if (chunk_distance(chunk, p, q) > RENDER_CHUNK_RADIUS) {
continue;
}
if (y < 100 && !chunk_visible(chunk, matrix)) {
continue;
}
draw_chunk(chunk, position_loc, normal_loc, uv_loc);
}
// render players
for (int i = 0; i < player_count; i++) {
Player *player = players + i;
draw_player(player, position_loc, normal_loc, uv_loc);
}
// render focused block wireframe
int hx, hy, hz;
int hw = hit_test(
chunks, chunk_count, 0, x, y, z, rx, ry, &hx, &hy, &hz);
if (is_obstacle(hw)) {
glUseProgram(line_program);
glLineWidth(1);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint wireframe_buffer = gen_wireframe_buffer(hx, hy, hz, 0.51);
draw_lines(wireframe_buffer, line_position_loc, 3, 48);
glDeleteBuffers(1, &wireframe_buffer);
glDisable(GL_COLOR_LOGIC_OP);
}
// RENDER 2-D HUD PARTS //
glClear(GL_DEPTH_BUFFER_BIT);
set_matrix_2d(matrix, width, height);
// render crosshairs
glUseProgram(line_program);
glLineWidth(4);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint crosshair_buffer = gen_crosshair_buffer(width, height);
draw_lines(crosshair_buffer, line_position_loc, 2, 4);
glDeleteBuffers(1, &crosshair_buffer);
glDisable(GL_COLOR_LOGIC_OP);
// render text
glUseProgram(text_program);
glUniformMatrix4fv(text_matrix_loc, 1, GL_FALSE, matrix);
glUniform1i(text_sampler_loc, 1);
char text_buffer[1024];
float ts = 12;
float tx = ts / 2;
float ty = height - ts;
snprintf(
text_buffer, 1024, "%d, %d, %.2f, %.2f, %.2f [%d, %d]",
p, q, x, y, z, player_count, chunk_count);
print(
text_position_loc, text_uv_loc,
tx, ty, ts, text_buffer);
for (int i = 0; i < MAX_MESSAGES; i++) {
int index = (message_index + i) % MAX_MESSAGES;
if (strlen(messages[index])) {
ty -= ts * 2;
print(
text_position_loc, text_uv_loc,
tx, ty, ts, messages[index]);
}
}
if (typing) {
ty -= ts * 2;
snprintf(text_buffer, 1024, "> %s", typing_buffer);
print(
text_position_loc, text_uv_loc,
tx, ty, ts, text_buffer);
}
// RENDER 3-D HUD PARTS //
set_matrix_item(matrix, width, height);
// render selected item
if (block_type != previous_block_type) {
previous_block_type = block_type;
if (is_plant(block_type)) {
gen_plant_buffers(
&item_position_buffer, &item_normal_buffer, &item_uv_buffer,
0, 0, 0, 0.5, block_type);
}
else {
gen_cube_buffers(
&item_position_buffer, &item_normal_buffer, &item_uv_buffer,
0, 0, 0, 0.5, block_type);
}
}
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, 0, 0, 5);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
if (is_plant(block_type)) {
draw_plant(
item_position_buffer, item_normal_buffer, item_uv_buffer,
position_loc, normal_loc, uv_loc);
}
else {
draw_cube(
item_position_buffer, item_normal_buffer, item_uv_buffer,
position_loc, normal_loc, uv_loc);
}
// swap buffers
glfwSwapBuffers(window);
glfwPollEvents();
}
client_stop();
db_save_state(x, y, z, rx, ry);
db_close();
glfwTerminate();
return 0;
}
int main(int argc, char **argv) {
srand(time(NULL));
rand();
if (!glfwInit()) {
return -1;
}
#ifdef __APPLE__
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
if (!glfwOpenWindow(800, 600, 8, 8, 8, 0, 24, 0, GLFW_WINDOW)) {
return -1;
}
glfwSwapInterval(VSYNC);
glfwDisable(GLFW_MOUSE_CURSOR);
glfwSetWindowTitle("Modern GL");
glfwSetKeyCallback(on_key);
glfwSetMouseButtonCallback(on_mouse_button);
#ifndef __APPLE__
if (glewInit() != GLEW_OK) {
return -1;
}
#endif
if (db_init()) {
return -1;
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LINE_SMOOTH);
glLogicOp(GL_INVERT);
glClearColor(0.53, 0.81, 0.92, 1.00);
GLuint vertex_array;
glGenVertexArrays(1, &vertex_array);
glBindVertexArray(vertex_array);
GLuint texture;
glGenTextures(1, &texture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glfwLoadTexture2D("texture.tga", 0);
GLuint block_program = load_program(
"shaders/block_vertex.glsl", "shaders/block_fragment.glsl");
GLuint matrix_loc = glGetUniformLocation(block_program, "matrix");
GLuint camera_loc = glGetUniformLocation(block_program, "camera");
GLuint sampler_loc = glGetUniformLocation(block_program, "sampler");
GLuint timer_loc = glGetUniformLocation(block_program, "timer");
GLuint position_loc = glGetAttribLocation(block_program, "position");
GLuint normal_loc = glGetAttribLocation(block_program, "normal");
GLuint uv_loc = glGetAttribLocation(block_program, "uv");
GLuint line_program = load_program(
"shaders/line_vertex.glsl", "shaders/line_fragment.glsl");
GLuint line_matrix_loc = glGetUniformLocation(line_program, "matrix");
GLuint line_position_loc = glGetAttribLocation(line_program, "position");
Chunk chunks[MAX_CHUNKS];
int chunk_count = 0;
FPS fps = {0, 0};
float matrix[16];
float x = (rand_double() - 0.5) * 10000;
float z = (rand_double() - 0.5) * 10000;
float y = 0;
float dy = 0;
float rx = 0;
float ry = 0;
int px = 0;
int py = 0;
int loaded = db_load_state(&x, &y, &z, &rx, &ry);
ensure_chunks(chunks, &chunk_count,
floorf(roundf(x) / CHUNK_SIZE),
floorf(roundf(z) / CHUNK_SIZE), 1);
if (!loaded) {
y = highest_block(chunks, chunk_count, x, z) + 2;
}
glfwGetMousePos(&px, &py);
double previous = glfwGetTime();
while (glfwGetWindowParam(GLFW_OPENED)) {
update_fps(&fps, SHOW_FPS);
double now = glfwGetTime();
double dt = MIN(now - previous, 0.2);
previous = now;
if (exclusive) {
int mx, my;
glfwGetMousePos(&mx, &my);
float m = 0.0025;
rx += (mx - px) * m;
ry -= (my - py) * m;
if (rx < 0) {
rx += RADIANS(360);
}
if (rx >= RADIANS(360)){
rx -= RADIANS(360);
}
ry = MAX(ry, -RADIANS(90));
ry = MIN(ry, RADIANS(90));
px = mx;
py = my;
}
else {
glfwGetMousePos(&px, &py);
}
if (left_click) {
left_click = 0;
int hx, hy, hz;
if (hit_test(chunks, chunk_count, 0, x, y, z, rx, ry,
&hx, &hy, &hz))
{
if (hy > 0) {
set_block(chunks, chunk_count, hx, hy, hz, 0);
}
}
}
if (right_click) {
right_click = 0;
int hx, hy, hz;
if (hit_test(chunks, chunk_count, 1, x, y, z, rx, ry,
&hx, &hy, &hz))
{
if (!player_intersects_block(2, x, y, z, hx, hy, hz)) {
set_block(chunks, chunk_count, hx, hy, hz, block_type);
}
}
}
int sz = 0;
int sx = 0;
ortho = glfwGetKey(GLFW_KEY_LSHIFT);
if (glfwGetKey('Q')) break;
if (glfwGetKey('W')) sz--;
if (glfwGetKey('S')) sz++;
if (glfwGetKey('A')) sx--;
if (glfwGetKey('D')) sx++;
if (dy == 0 && glfwGetKey(GLFW_KEY_SPACE)) {
dy = 8;
}
float vx, vy, vz;
get_motion_vector(flying, sz, sx, rx, ry, &vx, &vy, &vz);
float speed = flying ? 20 : 5;
int step = 8;
float ut = dt / step;
vx = vx * ut * speed;
vy = vy * ut * speed;
vz = vz * ut * speed;
for (int i = 0; i < step; i++) {
if (flying) {
dy = 0;
}
else {
dy -= ut * 25;
dy = MAX(dy, -250);
}
x += vx;
y += vy + dy * ut;
z += vz;
if (collide(chunks, chunk_count, 2, &x, &y, &z)) {
dy = 0;
}
}
int p = floorf(roundf(x) / CHUNK_SIZE);
int q = floorf(roundf(z) / CHUNK_SIZE);
ensure_chunks(chunks, &chunk_count, p, q, 0);
update_matrix_3d(matrix, x, y, z, rx, ry);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// render chunks
glUseProgram(block_program);
glUniformMatrix4fv(matrix_loc, 1, GL_FALSE, matrix);
glUniform3f(camera_loc, x, y, z);
glUniform1i(sampler_loc, 0);
glUniform1f(timer_loc, glfwGetTime());
for (int i = 0; i < chunk_count; i++) {
Chunk *chunk = chunks + i;
if (chunk_distance(chunk, p, q) > RENDER_CHUNK_RADIUS) {
continue;
}
if (!chunk_visible(chunk, matrix)) {
continue;
}
draw_chunk(chunk, position_loc, normal_loc, uv_loc);
}
// render focused block wireframe
int hx, hy, hz;
if (hit_test(chunks, chunk_count, 0, x, y, z, rx, ry, &hx, &hy, &hz)) {
glUseProgram(line_program);
glLineWidth(1);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint buffer = make_cube_buffer(hx, hy, hz, 0.51);
draw_lines(buffer, line_position_loc, 3, 48);
glDeleteBuffers(1, &buffer);
glDisable(GL_COLOR_LOGIC_OP);
}
update_matrix_2d(matrix);
// render crosshairs
glUseProgram(line_program);
glLineWidth(4);
glEnable(GL_COLOR_LOGIC_OP);
glUniformMatrix4fv(line_matrix_loc, 1, GL_FALSE, matrix);
GLuint buffer = make_line_buffer();
draw_lines(buffer, line_position_loc, 2, 4);
glDeleteBuffers(1, &buffer);
glDisable(GL_COLOR_LOGIC_OP);
glfwSwapBuffers();
}
db_save_state(x, y, z, rx, ry);
db_close();
glfwTerminate();
return 0;
}