void tick(int steps) {
tick_general_controls();
if (steps == 0 || PAUSED) {
return;
}
adjust_physics_resolution();
int i;
for (i = 0; i < steps; ++i) {
TICK_COUNT = (TICK_COUNT + 1) % TICKS_PER_SECOND_I;
tick_motion_controls();
tick_entities(&MAIN_FRAME);
warp_space(&MAIN_FRAME, PLAYER);
tick_blocks(&MAIN_FRAME);
}
tick_data();
clear_edge_triggers();
}
void GameUpdate() {
game* g = &g_game;
if (is_key_pressed(KEY_RESET)) {
memset(g->_map, 0, sizeof(g->_map));
g->_entities.free();
g->_player = 0;
g->_cam_pos = vec2(MAP_WIDTH * 0.5f, 8.5f);
g->_target_cam_y = 8.5f;
g->_diff = 1;
g->_diff_dmg = 1;
g->_spawn_time = 800;
g->_spawn_count = 6;
g->_wave_incoming = true;
g->_plr_dmg = 1;
GameInit();
g_title = true;
}
if (g_title) {
set_camera(vec2(), 10.0f);
float ratio = g_WinSize.y / (float)g_WinSize.x;
vec2 orig(-10.0f, -10.0f * ratio);
draw_string(vec2(0.0f, -4.75), 0.15f, TEXT_CENTRE, colour(0.5f, 0.5f, 1.0f, 1.0f), "Tunnel Defense");
float y = -3.25f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.3f, 0.3f, 0.6f, 1.0f), "Originally made for LD29 - post competition version"); y += 0.5f;
y += 0.5f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.6f, 0.3f, 0.3f, 1.0f), "Dig for your life, the creeps are coming and the"); y += 0.5f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.6f, 0.3f, 0.3f, 1.0f), "only safe place is underground! Collect resources"); y += 0.5f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.6f, 0.3f, 0.3f, 1.0f), "and build turrets to protect yourself."); y += 0.5f;
y += 0.25f;
float r = 5.0f;
draw_string(vec2(-r, y), 0.05f, TEXT_LEFT, colour(0.6f, 0.6f, 0.6f, 1.0f), "\001\002\003\004");
draw_string(vec2(r, y), 0.05f, TEXT_RIGHT, colour(0.3f, 0.6f, 0.3f, 1.0f), "Move + Aim"); y += 0.5f;
draw_string(vec2(-r, y), 0.05f, TEXT_LEFT, colour(0.6f, 0.6f, 0.6f, 1.0f), "%c", g_LocKeyZ);
draw_string(vec2(r, y), 0.05f, TEXT_RIGHT, colour(0.3f, 0.6f, 0.3f, 1.0f), "Jump"); y += 0.5f;
draw_string(vec2(-r, y), 0.05f, TEXT_LEFT, colour(0.6f, 0.6f, 0.6f, 1.0f), "%c", g_LocKeyX);
draw_string(vec2(r, y), 0.05f, TEXT_RIGHT, colour(0.3f, 0.6f, 0.3f, 1.0f), "Dig block / shoot"); y += 0.5f;
draw_string(vec2(-r, y), 0.05f, TEXT_LEFT, colour(0.6f, 0.6f, 0.6f, 1.0f), "%c", g_LocKeyC);
draw_string(vec2(r, y), 0.05f, TEXT_RIGHT, colour(0.3f, 0.6f, 0.3f, 1.0f), "Build / upgrade turret"); y += 0.5f;
y += 0.25f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.15f, 0.3f, 0.15f, 1.0f), "Alternate controls - %c%c%c%c, %c, %c, %c", g_LocKeyW, g_LocKeyA, g_LocKeyS, g_LocKeyD, g_LocKeyI, g_LocKeyO, g_LocKeyP); y += 0.5f;
y += 0.25f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.3f, 0.15f, 0.3f, 1.0f), "Building / upgrading a turret costs 3 metal."); y += 0.5f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.3f, 0.15f, 0.3f, 1.0f), "Building a turret increases your shot power."); y += 0.5f;
y += 0.25f;
draw_string(vec2(0.0f, y), 0.05f, TEXT_CENTRE, colour(0.5f, 0.5f, 0.5f, 1.0f), "press SPACE to START"); y+= 0.5f;
y += 0.5f;
draw_string(vec2(0.0f, y), 0.035f, TEXT_CENTRE, colour(0.15f, 0.15f, 0.15f, 1.0f), "by Stephen Cakebread @quantumrain");
if (is_key_pressed(KEY_FIRE) || is_key_pressed(KEY_ALT_FIRE)) g_title = false;
return;
}
if (player* p = g->_player) {
vec2 target_cam_pos = vec2(MAP_WIDTH * 0.5f, p->centre().y);
float dy = target_cam_pos.y - g->_target_cam_y;
float hyst = 1.25f;
if (fabsf(dy) > hyst) {
if (dy > 0.0f)
g->_target_cam_y += dy - hyst;
else
g->_target_cam_y += dy + hyst;
}
target_cam_pos.y = g->_target_cam_y;
update_search(g, to_ivec2(p->centre()));
g->_cam_pos = lerp(g->_cam_pos, target_cam_pos, 0.2f);
g->_plr_dmg = 1;
for(uint32_t i = 0; i < g->_entities.size(); i++) {
entity* e = g->_entities[i];
if (!(e->_flags & entity::FLAG_DESTROYED)) {
if (e->_type == ET_TURRET)
g->_plr_dmg++;
}
}
}
set_camera(g->_cam_pos, 15.0f);
if (g->_player) {
if (--g->_spawn_time <= 0) {
if (g->_wave_incoming) {
g->_spawn_count = 4 + 4 * (int)g->_diff;
g->_diff_dmg = (int)(2.5f * (1 + g->_diff)) - 1;
}
g->_wave_incoming = false;
vec2 pos(g_game_rand.frand(1.0f, MAP_WIDTH - 1.0f), 2.0f);
if (bug* e = spawn_entity(&g_game, new bug(), pos)) {
e->_max_damage = g->_diff_dmg;
if (g_game_rand.rand(0, 5) == 0) e->_max_damage += g_game_rand.rand(0, g->_diff_dmg);
if (g_game_rand.rand(0, 15) == 0) e->_max_damage += g_game_rand.rand(0, g->_diff_dmg);
if (g_game_rand.rand(0, 30) == 0) e->_max_damage += g_game_rand.rand(0, g->_diff_dmg);
}
g->_spawn_time = clamp(60 - ((g->_diff * 5) / 4), 10, 60);
if (--g->_spawn_count <= 0){
g->_diff += 1 + (g->_diff / 5);
g->_spawn_time = 600;
g->_wave_incoming = true;
}
}
}
tick_entities(g);
purge_entities(g);
update_particles(g);
colour sky0(0.4f, 0.7f, 1.0f, 1.0f);
colour sky1(0.45f, 0.75f, 1.0f, 1.0f);
colour sky2(0.3f, 0.6f, 0.9f, 1.0f);
colour sky3(0.35f, 0.65f, 0.9f, 1.0f);
sky0 *= colour(0.65f, 0.0f);
sky1 *= colour(0.65f, 0.0f);
sky2 *= colour(0.35f, 1.0f);
sky3 *= colour(0.35f, 1.0f);
float sky_space = 4.5f;
float sky_top = 4.75f;
float sky_y = 10.0f;
float sky_yf = 10.5f;
float sky_yb = 11.0f;
for(int j = 0; j < MAP_HEIGHT; j++) {
colour bk_colour(get_master_colour(j) * colour(0.2f, 1.0f));
for(int i = 0; i < MAP_WIDTH; i++) {
int t = g->get_tile(i, j);
if (t == TT_EMPTY || t == TT_TURRET) {
int hash = ((i * 7) ^ (j * 3)) + (i + j);
hash ^= ((hash >> 3) * 9);
int tile_num = 132 + (hash % 4);
draw_tile(vec2((float)i, (float)j), vec2(i + 1.0f, j + 1.0f), bk_colour, tile_num, 0);
}
}
}