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cameracontroller.c
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cameracontroller.c
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/*
Copyright (c) 2017-2018 ByteBit
This file is part of BetterSpades.
BetterSpades is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
BetterSpades is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with BetterSpades. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
int cameracontroller_bodyview_player = 0;
float cameracontroller_bodyview_zoom = 0.0F;
void cameracontroller_fps(float dt) {
players[local_player_id].connected = 1;
players[local_player_id].alive = 1;
int cooldown = 0;
if(players[local_player_id].held_item==TOOL_GRENADE && local_player_grenades==0) {
local_player_lasttool = players[local_player_id].held_item--;
cooldown = 1;
}
if(players[local_player_id].held_item==TOOL_GUN && local_player_ammo+local_player_ammo_reserved==0) {
local_player_lasttool = players[local_player_id].held_item--;
cooldown = 1;
}
if(players[local_player_id].held_item==TOOL_BLOCK && local_player_blocks==0) {
local_player_lasttool = players[local_player_id].held_item--;
cooldown = 1;
}
if(cooldown) {
players[local_player_id].item_disabled = window_time();
players[local_player_id].items_show_start = window_time();
players[local_player_id].items_show = 1;
}
if(chat_input_mode==CHAT_NO_INPUT) {
players[local_player_id].input.keys.up = window_key_down(WINDOW_KEY_UP);
players[local_player_id].input.keys.down = window_key_down(WINDOW_KEY_DOWN);
players[local_player_id].input.keys.left = window_key_down(WINDOW_KEY_LEFT);
players[local_player_id].input.keys.right = window_key_down(WINDOW_KEY_RIGHT);
if(players[local_player_id].input.keys.crouch && !window_key_down(WINDOW_KEY_CROUCH) && player_uncrouch(&players[local_player_id])) {
players[local_player_id].input.keys.crouch = 0;
}
if(window_key_down(WINDOW_KEY_CROUCH)) {
players[local_player_id].input.keys.crouch = 1;
}
//players[local_player_id].input.keys.crouch = window_key_down(WINDOW_KEY_CROUCH);
players[local_player_id].input.keys.sprint = window_key_down(WINDOW_KEY_SPRINT);
players[local_player_id].input.keys.jump = window_key_down(WINDOW_KEY_SPACE);
players[local_player_id].input.keys.sneak = window_key_down(WINDOW_KEY_SNEAK);
if(window_key_down(WINDOW_KEY_SPACE) && !players[local_player_id].physics.airborne) {
players[local_player_id].physics.jump = 1;
}
}
camera_x = players[local_player_id].physics.eye.x;
camera_y = players[local_player_id].physics.eye.y+player_height(&players[local_player_id]);
camera_z = players[local_player_id].physics.eye.z;
if(window_key_down(WINDOW_KEY_SPRINT)) {
players[local_player_id].item_disabled = window_time();
} else {
if(window_time()-players[local_player_id].item_disabled<0.4F && !players[local_player_id].items_show) {
players[local_player_id].items_show_start = window_time();
players[local_player_id].items_show = 1;
}
}
players[local_player_id].input.buttons.lmb = button_map[0];
if(players[local_player_id].held_item!=TOOL_GUN) {
players[local_player_id].input.buttons.rmb = button_map[1];
}
if(chat_input_mode!=CHAT_NO_INPUT) {
players[local_player_id].input.keys.packed = 0;
players[local_player_id].input.buttons.packed = 0;
}
float lx = players[local_player_id].orientation_smooth.x*pow(0.7F,dt*60.0F)+(sin(camera_rot_x)*sin(camera_rot_y))*pow(0.3F,dt*60.0F);
float ly = players[local_player_id].orientation_smooth.y*pow(0.7F,dt*60.0F)+(cos(camera_rot_y))*pow(0.3F,dt*60.0F);
float lz = players[local_player_id].orientation_smooth.z*pow(0.7F,dt*60.0F)+(cos(camera_rot_x)*sin(camera_rot_y))*pow(0.3F,dt*60.0F);
players[local_player_id].orientation_smooth.x = lx;
players[local_player_id].orientation_smooth.y = ly;
players[local_player_id].orientation_smooth.z = lz;
float len = sqrt(lx*lx+ly*ly+lz*lz);
players[local_player_id].orientation.x = lx/len;
players[local_player_id].orientation.y = ly/len;
players[local_player_id].orientation.z = lz/len;
camera_vx = players[local_player_id].physics.velocity.x;
camera_vy = players[local_player_id].physics.velocity.y;
camera_vz = players[local_player_id].physics.velocity.z;
matrix_lookAt(camera_x,camera_y,camera_z,camera_x+sin(camera_rot_x)*sin(camera_rot_y),camera_y+cos(camera_rot_y),camera_z+cos(camera_rot_x)*sin(camera_rot_y),0.0F,1.0F,0.0F);
}
void cameracontroller_spectator(float dt) {
AABB camera = {0};
aabb_set_size(&camera,camera_size,camera_height,camera_size);
aabb_set_center(&camera,camera_x,camera_y-camera_eye_height,camera_z);
float x = 0.0F, y = 0.0F, z = 0.0F;
if(window_key_down(WINDOW_KEY_UP)) {
x += sin(camera_rot_x)*sin(camera_rot_y);
y += cos(camera_rot_y);
z += cos(camera_rot_x)*sin(camera_rot_y);
} else {
if(window_key_down(WINDOW_KEY_DOWN)) {
x -= sin(camera_rot_x)*sin(camera_rot_y);
y -= cos(camera_rot_y);
z -= cos(camera_rot_x)*sin(camera_rot_y);
}
}
if(window_key_down(WINDOW_KEY_LEFT)) {
x += sin(camera_rot_x+1.57F);
z += cos(camera_rot_x+1.57F);
} else {
if(window_key_down(WINDOW_KEY_RIGHT)) {
x += sin(camera_rot_x-1.57F);
z += cos(camera_rot_x-1.57F);
}
}
if(window_key_down(WINDOW_KEY_SPACE)) {
y++;
} else {
if(window_key_down(WINDOW_KEY_CROUCH)) {
y--;
}
}
float len = sqrt(x*x+y*y+z*z);
if(len>0.0F) {
camera_movement_x = (x/len)*camera_speed*dt;
camera_movement_y = (y/len)*camera_speed*dt;
camera_movement_z = (z/len)*camera_speed*dt;
}
if(abs(camera_movement_x)<1.0F) {
camera_movement_x *= pow(0.0025F,dt);
}
if(abs(camera_movement_y)<1.0F) {
camera_movement_y *= pow(0.0025F,dt);
}
if(abs(camera_movement_z)<1.0F) {
camera_movement_z *= pow(0.0025F,dt);
}
aabb_set_center(&camera,camera_x+camera_movement_x,camera_y-camera_eye_height,camera_z);
if(camera_x+camera_movement_x<0 || camera_x+camera_movement_x>map_size_x || aabb_intersection_terrain(&camera,0)) {
camera_movement_x = 0.0F;
}
aabb_set_center(&camera,camera_x+camera_movement_x,camera_y+camera_movement_y-camera_eye_height,camera_z);
if(camera_y+camera_movement_y<0 || aabb_intersection_terrain(&camera,0)) {
camera_movement_y = 0.0F;
}
aabb_set_center(&camera,camera_x+camera_movement_x,camera_y+camera_movement_y-camera_eye_height,camera_z+camera_movement_z);
if(camera_z+camera_movement_z<0 || camera_z+camera_movement_z>map_size_z || aabb_intersection_terrain(&camera,0)) {
camera_movement_z = 0.0F;
}
camera_x += camera_movement_x;
camera_y += camera_movement_y;
camera_z += camera_movement_z;
camera_vx = camera_movement_x;
camera_vy = camera_movement_y;
camera_vz = camera_movement_z;
matrix_lookAt(camera_x,camera_y,camera_z,camera_x+sin(camera_rot_x)*sin(camera_rot_y),camera_y+cos(camera_rot_y),camera_z+cos(camera_rot_x)*sin(camera_rot_y),0.0F,1.0F,0.0F);
}
void cameracontroller_bodyview(float dt) {
//check if we cant spectate the player anymore
for(int k=0;k<PLAYERS_MAX*2;k++) { //a while(1) loop caused it to get stuck on map change when playing on babel
if(player_can_spectate(&players[cameracontroller_bodyview_player]))
break;
cameracontroller_bodyview_player = (cameracontroller_bodyview_player+1)%PLAYERS_MAX;
}
AABB camera = {0};
aabb_set_size(&camera,0.4F,0.4F,0.4F);
float k;
float traverse_lengths[2] = {-1,-1};
for(k=0.0F;k<5.0F;k+=0.05F) {
aabb_set_center(&camera,
players[cameracontroller_bodyview_player].pos.x-sin(camera_rot_x)*sin(camera_rot_y)*k,
players[cameracontroller_bodyview_player].pos.y-cos(camera_rot_y)*k+player_height2(&players[cameracontroller_bodyview_player]),
players[cameracontroller_bodyview_player].pos.z-cos(camera_rot_x)*sin(camera_rot_y)*k
);
if(aabb_intersection_terrain(&camera,0) && traverse_lengths[0]<0) {
traverse_lengths[0] = max(k-0.1F,0);
}
aabb_set_center(&camera,
players[cameracontroller_bodyview_player].pos.x+sin(camera_rot_x)*sin(camera_rot_y)*k,
players[cameracontroller_bodyview_player].pos.y+cos(camera_rot_y)*k+player_height2(&players[cameracontroller_bodyview_player]),
players[cameracontroller_bodyview_player].pos.z+cos(camera_rot_x)*sin(camera_rot_y)*k
);
if(!aabb_intersection_terrain(&camera,0) && traverse_lengths[1]<0) {
traverse_lengths[1] = max(k-0.1F,0);
}
}
if(traverse_lengths[0]<0)
traverse_lengths[0] = 5.0F;
if(traverse_lengths[1]<0)
traverse_lengths[1] = 5.0F;
float tmp = (traverse_lengths[0]<=0)?(-traverse_lengths[1]):traverse_lengths[0];
cameracontroller_bodyview_zoom = (tmp<cameracontroller_bodyview_zoom)?tmp:min(tmp,cameracontroller_bodyview_zoom*pow(0.9F,dt*60.0F)+tmp*pow(0.1F,dt*60.0F));
//this is needed to determine which chunks need/can be rendered and for sound, minimap etc...
camera_x = players[cameracontroller_bodyview_player].pos.x-sin(camera_rot_x)*sin(camera_rot_y)*cameracontroller_bodyview_zoom;
camera_y = players[cameracontroller_bodyview_player].pos.y-cos(camera_rot_y)*cameracontroller_bodyview_zoom+player_height2(&players[cameracontroller_bodyview_player]);
camera_z = players[cameracontroller_bodyview_player].pos.z-cos(camera_rot_x)*sin(camera_rot_y)*cameracontroller_bodyview_zoom;
camera_vx = players[cameracontroller_bodyview_player].physics.velocity.x;
camera_vy = players[cameracontroller_bodyview_player].physics.velocity.y;
camera_vz = players[cameracontroller_bodyview_player].physics.velocity.z;
matrix_lookAt(players[cameracontroller_bodyview_player].pos.x-sin(camera_rot_x)*sin(camera_rot_y)*cameracontroller_bodyview_zoom,
players[cameracontroller_bodyview_player].pos.y-cos(camera_rot_y)*cameracontroller_bodyview_zoom+player_height2(&players[cameracontroller_bodyview_player]),
players[cameracontroller_bodyview_player].pos.z-cos(camera_rot_x)*sin(camera_rot_y)*cameracontroller_bodyview_zoom,
players[cameracontroller_bodyview_player].pos.x,
players[cameracontroller_bodyview_player].pos.y+player_height2(&players[cameracontroller_bodyview_player]),
players[cameracontroller_bodyview_player].pos.z,
0.0F,1.0F,0.0F);
}
void cameracontroller_selection(float dt) {
camera_x = 256.0F;
camera_y = 125.0F;
camera_z = 256.0F;
camera_vx = 0.0F;
camera_vy = 0.0F;
camera_vz = 0.0F;
matrix_rotate(90.0F,1.0F,0.0F,0.0F);
matrix_translate(-camera_x,-camera_y,-camera_z);
}